var $jscomp = $jscomp || {};
$jscomp.scope = {};
$jscomp.ASSUME_ES5 = !1;
$jscomp.ASSUME_NO_NATIVE_MAP = !1;
$jscomp.ASSUME_NO_NATIVE_SET = !1;
$jscomp.defineProperty = $jscomp.ASSUME_ES5 || "function" == typeof Object.defineProperties ? Object.defineProperty : function(w, e, q) {
  w != Array.prototype && w != Object.prototype && (w[e] = q.value);
};
$jscomp.getGlobal = function(w) {
  return "undefined" != typeof window && window === w ? w : "undefined" != typeof global && null != global ? global : w;
};
$jscomp.global = $jscomp.getGlobal(this);
$jscomp.polyfill = function(w, e, q, k) {
  if (e) {
    q = $jscomp.global;
    w = w.split(".");
    for (k = 0; k < w.length - 1; k++) {
      var h = w[k];
      h in q || (q[h] = {});
      q = q[h];
    }
    w = w[w.length - 1];
    k = q[w];
    e = e(k);
    e != k && null != e && $jscomp.defineProperty(q, w, {configurable:!0, writable:!0, value:e});
  }
};
$jscomp.polyfill("Array.prototype.fill", function(w) {
  return w ? w : function(e, q, k) {
    var h = this.length || 0;
    0 > q && (q = Math.max(0, h + q));
    if (null == k || k > h) {
      k = h;
    }
    k = Number(k);
    0 > k && (k = Math.max(0, h + k));
    for (q = Number(q || 0); q < k; q++) {
      this[q] = e;
    }
    return this;
  };
}, "es6", "es3");
$jscomp.SYMBOL_PREFIX = "jscomp_symbol_";
$jscomp.initSymbol = function() {
  $jscomp.initSymbol = function() {
  };
  $jscomp.global.Symbol || ($jscomp.global.Symbol = $jscomp.Symbol);
};
$jscomp.Symbol = function() {
  var w = 0;
  return function(e) {
    return $jscomp.SYMBOL_PREFIX + (e || "") + w++;
  };
}();
$jscomp.initSymbolIterator = function() {
  $jscomp.initSymbol();
  var w = $jscomp.global.Symbol.iterator;
  w || (w = $jscomp.global.Symbol.iterator = $jscomp.global.Symbol("iterator"));
  "function" != typeof Array.prototype[w] && $jscomp.defineProperty(Array.prototype, w, {configurable:!0, writable:!0, value:function() {
    return $jscomp.arrayIterator(this);
  }});
  $jscomp.initSymbolIterator = function() {
  };
};
$jscomp.arrayIterator = function(w) {
  var e = 0;
  return $jscomp.iteratorPrototype(function() {
    return e < w.length ? {done:!1, value:w[e++]} : {done:!0};
  });
};
$jscomp.iteratorPrototype = function(w) {
  $jscomp.initSymbolIterator();
  w = {next:w};
  w[$jscomp.global.Symbol.iterator] = function() {
    return this;
  };
  return w;
};
$jscomp.iteratorFromArray = function(w, e) {
  $jscomp.initSymbolIterator();
  w instanceof String && (w += "");
  var q = 0, k = {next:function() {
    if (q < w.length) {
      var h = q++;
      return {value:e(h, w[h]), done:!1};
    }
    k.next = function() {
      return {done:!0, value:void 0};
    };
    return k.next();
  }};
  k[Symbol.iterator] = function() {
    return k;
  };
  return k;
};
$jscomp.polyfill("Array.prototype.values", function(w) {
  return w ? w : function() {
    return $jscomp.iteratorFromArray(this, function(e, q) {
      return q;
    });
  };
}, "es8", "es3");
$jscomp.polyfill("Array.prototype.keys", function(w) {
  return w ? w : function() {
    return $jscomp.iteratorFromArray(this, function(e) {
      return e;
    });
  };
}, "es6", "es3");
(function(w) {
  function e(a) {
    c.debug && console.log("Graph created");
    this.list_of_graphcanvas = null;
    this.clear();
    a && this.configure(a);
  }
  function q(a, b, d, p, c, g) {
    this.id = a;
    this.type = b;
    this.origin_id = d;
    this.origin_slot = p;
    this.target_id = c;
    this.target_slot = g;
    this._data = null;
    this._pos = new Float32Array(2);
  }
  function k(a) {
    this._ctor(a);
  }
  function h(a) {
    this._ctor(a);
  }
  function n(a, b) {
    this.offset = new Float32Array([0, 0]);
    this.scale = 1;
    this.max_scale = 10;
    this.min_scale = 0.1;
    this.onredraw = null;
    this.enabled = !0;
    this.last_mouse = [0, 0];
    this.element = null;
    this.visible_area = new Float32Array(4);
    a && (this.element = a, b || this.bindEvents(a));
  }
  function f(a, b, d) {
    d = d || {};
    this.background_image = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII=";
    a && a.constructor === String && (a = document.querySelector(a));
    this.ds = new n;
    this.zoom_modify_alpha = !0;
    this.title_text_font = "" + c.NODE_TEXT_SIZE + "px Arial";
    this.inner_text_font = "normal " + c.NODE_SUBTEXT_SIZE + "px Arial";
    this.node_title_color = c.NODE_TITLE_COLOR;
    this.default_link_color = c.LINK_COLOR;
    this.default_connection_color = {input_off:"#778", input_on:"#7F7", output_off:"#778", output_on:"#7F7"};
    this.highquality_render = !0;
    this.use_gradients = !1;
    this.editor_alpha = 1;
    this.pause_rendering = !1;
    this.render_only_selected = this.clear_background = !0;
    this.live_mode = !1;
    this.allow_searchbox = this.allow_interaction = this.allow_dragnodes = this.allow_dragcanvas = this.show_info = !0;
    this.drag_mode = this.allow_reconnect_links = !1;
    this.filter = this.dragging_rectangle = null;
    this.always_render_background = !1;
    this.render_canvas_border = this.render_shadows = !0;
    this.render_connections_shadows = !1;
    this.render_connections_border = !0;
    this.render_connection_arrows = this.render_curved_connections = !1;
    this.render_collapsed_slots = !0;
    this.render_execution_order = !1;
    this.render_title_colored = !0;
    this.links_render_mode = c.SPLINE_LINK;
    this.canvas_mouse = [0, 0];
    this.onDrawOverlay = this.onDrawForeground = this.onDrawBackground = this.onMouse = this.onSearchBoxSelection = this.onSearchBox = null;
    this.connections_width = 3;
    this.round_radius = 8;
    this.node_widget = this.current_node = null;
    this.last_mouse_position = [0, 0];
    this.visible_area = this.ds.visible_area;
    this.visible_links = [];
    b && b.attachCanvas(this);
    this.setCanvas(a);
    this.clear();
    d.skip_render || this.startRendering();
    this.autoresize = d.autoresize;
  }
  function y(a, b) {
    return Math.sqrt((b[0] - a[0]) * (b[0] - a[0]) + (b[1] - a[1]) * (b[1] - a[1]));
  }
  function B(a, b, d, p, c, g) {
    return d < a && d + c > a && p < b && p + g > b ? !0 : !1;
  }
  function z(a, b) {
    var d = a[0] + a[2], p = a[1] + a[3], c = b[1] + b[3];
    return a[0] > b[0] + b[2] || a[1] > c || d < b[0] || p < b[1] ? !1 : !0;
  }
  function C(a, b) {
    function d(a) {
      var d = parseInt(c.style.top);
      c.style.top = (d + a.deltaY * b.scroll_speed).toFixed() + "px";
      a.preventDefault();
      return !0;
    }
    this.options = b = b || {};
    var p = this;
    b.parentMenu && (b.parentMenu.constructor !== this.constructor ? (console.error("parentMenu must be of class ContextMenu, ignoring it"), b.parentMenu = null) : (this.parentMenu = b.parentMenu, this.parentMenu.lock = !0, this.parentMenu.current_submenu = this));
    b.event && b.event.constructor !== MouseEvent && b.event.constructor !== CustomEvent && (console.error("Event passed to ContextMenu is not of type MouseEvent or CustomEvent. Ignoring it."), b.event = null);
    var c = document.createElement("div");
    c.className = "litegraph litecontextmenu litemenubar-panel";
    b.className && (c.className += " " + b.className);
    c.style.minWidth = 100;
    c.style.minHeight = 100;
    c.style.pointerEvents = "none";
    setTimeout(function() {
      c.style.pointerEvents = "auto";
    }, 100);
    c.addEventListener("mouseup", function(a) {
      a.preventDefault();
      return !0;
    }, !0);
    c.addEventListener("contextmenu", function(a) {
      if (2 != a.button) {
        return !1;
      }
      a.preventDefault();
      return !1;
    }, !0);
    c.addEventListener("mousedown", function(a) {
      if (2 == a.button) {
        return p.close(), a.preventDefault(), !0;
      }
    }, !0);
    b.scroll_speed || (b.scroll_speed = 0.1);
    c.addEventListener("wheel", d, !0);
    c.addEventListener("mousewheel", d, !0);
    this.root = c;
    if (b.title) {
      var g = document.createElement("div");
      g.className = "litemenu-title";
      g.innerHTML = b.title;
      c.appendChild(g);
    }
    g = 0;
    for (var e in a) {
      var f = a.constructor == Array ? a[e] : e;
      null != f && f.constructor !== String && (f = void 0 === f.content ? String(f) : f.content);
      this.addItem(f, a[e], b);
      g++;
    }
    c.addEventListener("mouseleave", function(a) {
      p.lock || (c.closing_timer && clearTimeout(c.closing_timer), c.closing_timer = setTimeout(p.close.bind(p, a), 500));
    });
    c.addEventListener("mouseenter", function(a) {
      c.closing_timer && clearTimeout(c.closing_timer);
    });
    a = document;
    b.event && (a = b.event.target.ownerDocument);
    a || (a = document);
    a.body.appendChild(c);
    e = b.left || 0;
    a = b.top || 0;
    b.event && (e = b.event.clientX - 10, a = b.event.clientY - 10, b.title && (a -= 20), b.parentMenu && (e = b.parentMenu.root.getBoundingClientRect(), e = e.left + e.width), g = document.body.getBoundingClientRect(), f = c.getBoundingClientRect(), e > g.width - f.width - 10 && (e = g.width - f.width - 10), a > g.height - f.height - 10 && (a = g.height - f.height - 10));
    c.style.left = e + "px";
    c.style.top = a + "px";
    b.scale && (c.style.transform = "scale(" + b.scale + ")");
  }
  var c = w.LiteGraph = {VERSION:0.4, CANVAS_GRID_SIZE:10, NODE_TITLE_HEIGHT:30, NODE_TITLE_TEXT_Y:20, NODE_SLOT_HEIGHT:20, NODE_WIDGET_HEIGHT:20, NODE_WIDTH:140, NODE_MIN_WIDTH:50, NODE_COLLAPSED_RADIUS:10, NODE_COLLAPSED_WIDTH:80, NODE_TITLE_COLOR:"#999", NODE_TEXT_SIZE:14, NODE_TEXT_COLOR:"#AAA", NODE_SUBTEXT_SIZE:12, NODE_DEFAULT_COLOR:"#333", NODE_DEFAULT_BGCOLOR:"#353535", NODE_DEFAULT_BOXCOLOR:"#666", NODE_DEFAULT_SHAPE:"box", DEFAULT_SHADOW_COLOR:"rgba(0,0,0,0.5)", DEFAULT_GROUP_FONT:24, 
  LINK_COLOR:"#9A9", EVENT_LINK_COLOR:"#A86", CONNECTING_LINK_COLOR:"#AFA", MAX_NUMBER_OF_NODES:1000, DEFAULT_POSITION:[100, 100], VALID_SHAPES:["default", "box", "round", "card"], BOX_SHAPE:1, ROUND_SHAPE:2, CIRCLE_SHAPE:3, CARD_SHAPE:4, ARROW_SHAPE:5, INPUT:1, OUTPUT:2, EVENT:-1, ACTION:-1, ALWAYS:0, ON_EVENT:1, NEVER:2, ON_TRIGGER:3, UP:1, DOWN:2, LEFT:3, RIGHT:4, CENTER:5, STRAIGHT_LINK:0, LINEAR_LINK:1, SPLINE_LINK:2, NORMAL_TITLE:0, NO_TITLE:1, TRANSPARENT_TITLE:2, AUTOHIDE_TITLE:3, proxy:null, 
  node_images_path:"", debug:!1, catch_exceptions:!0, throw_errors:!0, allow_scripts:!1, registered_node_types:{}, node_types_by_file_extension:{}, Nodes:{}, searchbox_extras:{}, registerNodeType:function(a, b) {
    if (!b.prototype) {
      throw "Cannot register a simple object, it must be a class with a prototype";
    }
    b.type = a;
    c.debug && console.log("Node registered: " + a);
    a.split("/");
    var d = b.name, p = a.lastIndexOf("/");
    b.category = a.substr(0, p);
    b.title || (b.title = d);
    if (b.prototype) {
      for (var m in k.prototype) {
        b.prototype[m] || (b.prototype[m] = k.prototype[m]);
      }
    }
    Object.defineProperty(b.prototype, "shape", {set:function(a) {
      switch(a) {
        case "default":
          delete this._shape;
          break;
        case "box":
          this._shape = c.BOX_SHAPE;
          break;
        case "round":
          this._shape = c.ROUND_SHAPE;
          break;
        case "circle":
          this._shape = c.CIRCLE_SHAPE;
          break;
        case "card":
          this._shape = c.CARD_SHAPE;
          break;
        default:
          this._shape = a;
      }
    }, get:function(a) {
      return this._shape;
    }, enumerable:!0});
    this.registered_node_types[a] = b;
    b.constructor.name && (this.Nodes[d] = b);
    b.prototype.onPropertyChange && console.warn("LiteGraph node class " + a + " has onPropertyChange method, it must be called onPropertyChanged with d at the end");
    if (b.supported_extensions) {
      for (m in b.supported_extensions) {
        this.node_types_by_file_extension[b.supported_extensions[m].toLowerCase()] = b;
      }
    }
  }, wrapFunctionAsNode:function(a, b, d, p, m) {
    for (var g = Array(b.length), e = "", f = c.getParameterNames(b), l = 0; l < f.length; ++l) {
      e += "this.addInput('" + f[l] + "'," + (d && d[l] ? "'" + d[l] + "'" : "0") + ");\n";
    }
    e += "this.addOutput('out'," + (p ? "'" + p + "'" : 0) + ");\n";
    m && (e += "this.properties = " + JSON.stringify(m) + ";\n");
    d = Function(e);
    d.title = a.split("/").pop();
    d.desc = "Generated from " + b.name;
    d.prototype.onExecute = function() {
      for (var a = 0; a < g.length; ++a) {
        g[a] = this.getInputData(a);
      }
      a = b.apply(this, g);
      this.setOutputData(0, a);
    };
    this.registerNodeType(a, d);
  }, addNodeMethod:function(a, b) {
    k.prototype[a] = b;
    for (var d in this.registered_node_types) {
      var c = this.registered_node_types[d];
      c.prototype[a] && (c.prototype["_" + a] = c.prototype[a]);
      c.prototype[a] = b;
    }
  }, createNode:function(a, b, d) {
    var p = this.registered_node_types[a];
    if (!p) {
      return c.debug && console.log('GraphNode type "' + a + '" not registered.'), null;
    }
    b = b || p.title || a;
    var m = null;
    if (c.catch_exceptions) {
      try {
        m = new p(b);
      } catch (E) {
        return console.error(E), null;
      }
    } else {
      m = new p(b);
    }
    m.type = a;
    !m.title && b && (m.title = b);
    m.properties || (m.properties = {});
    m.properties_info || (m.properties_info = []);
    m.flags || (m.flags = {});
    m.size || (m.size = m.computeSize());
    m.pos || (m.pos = c.DEFAULT_POSITION.concat());
    m.mode || (m.mode = c.ALWAYS);
    if (d) {
      for (var g in d) {
        m[g] = d[g];
      }
    }
    return m;
  }, getNodeType:function(a) {
    return this.registered_node_types[a];
  }, getNodeTypesInCategory:function(a, b) {
    var d = [], c;
    for (c in this.registered_node_types) {
      var m = this.registered_node_types[c];
      b && m.filter && m.filter != b || ("" == a ? null == m.category && d.push(m) : m.category == a && d.push(m));
    }
    return d;
  }, getNodeTypesCategories:function() {
    var a = {"":1}, b;
    for (b in this.registered_node_types) {
      this.registered_node_types[b].category && !this.registered_node_types[b].skip_list && (a[this.registered_node_types[b].category] = 1);
    }
    var d = [];
    for (b in a) {
      d.push(b);
    }
    return d;
  }, reloadNodes:function(a) {
    var b = document.getElementsByTagName("script"), d = [], p;
    for (p in b) {
      d.push(b[p]);
    }
    b = document.getElementsByTagName("head")[0];
    a = document.location.href + a;
    for (p in d) {
      var m = d[p].src;
      if (m && m.substr(0, a.length) == a) {
        try {
          c.debug && console.log("Reloading: " + m);
          var g = document.createElement("script");
          g.type = "text/javascript";
          g.src = m;
          b.appendChild(g);
          b.removeChild(d[p]);
        } catch (E) {
          if (c.throw_errors) {
            throw E;
          }
          c.debug && console.log("Error while reloading " + m);
        }
      }
    }
    c.debug && console.log("Nodes reloaded");
  }, cloneObject:function(a, b) {
    if (null == a) {
      return null;
    }
    a = JSON.parse(JSON.stringify(a));
    if (!b) {
      return a;
    }
    for (var d in a) {
      b[d] = a[d];
    }
    return b;
  }, isValidConnection:function(a, b) {
    if (!a || !b || a == b || a == c.EVENT && b == c.ACTION) {
      return !0;
    }
    a = String(a);
    b = String(b);
    a = a.toLowerCase();
    b = b.toLowerCase();
    if (-1 == a.indexOf(",") && -1 == b.indexOf(",")) {
      return a == b;
    }
    a = a.split(",");
    b = b.split(",");
    for (var d = 0; d < a.length; ++d) {
      for (var p = 0; p < b.length; ++p) {
        if (a[d] == b[p]) {
          return !0;
        }
      }
    }
    return !1;
  }, registerSearchboxExtra:function(a, b, d) {
    this.searchbox_extras[b] = {type:a, desc:b, data:d};
  }};
  c.getTime = "undefined" != typeof performance ? performance.now.bind(performance) : "undefined" != typeof Date && Date.now ? Date.now.bind(Date) : "undefined" != typeof process ? function() {
    var a = process.hrtime();
    return 0.001 * a[0] + 1e-6 * a[1];
  } : function() {
    return (new Date).getTime();
  };
  w.LGraph = c.LGraph = e;
  e.supported_types = ["number", "string", "boolean"];
  e.prototype.getSupportedTypes = function() {
    return this.supported_types || e.supported_types;
  };
  e.STATUS_STOPPED = 1;
  e.STATUS_RUNNING = 2;
  e.prototype.clear = function() {
    this.stop();
    this.status = e.STATUS_STOPPED;
    this.last_link_id = this.last_node_id = 1;
    this._version = -1;
    if (this._nodes) {
      for (var a = 0; a < this._nodes.length; ++a) {
        var b = this._nodes[a];
        if (b.onRemoved) {
          b.onRemoved();
        }
      }
    }
    this._nodes = [];
    this._nodes_by_id = {};
    this._nodes_in_order = [];
    this._nodes_executable = null;
    this._groups = [];
    this.links = {};
    this.iteration = 0;
    this.config = {};
    this.fixedtime = this.runningtime = this.globaltime = 0;
    this.elapsed_time = this.fixedtime_lapse = 0.01;
    this.starttime = this.last_update_time = 0;
    this.catch_errors = !0;
    this.inputs = {};
    this.outputs = {};
    this.change();
    this.sendActionToCanvas("clear");
  };
  e.prototype.attachCanvas = function(a) {
    if (a.constructor != f) {
      throw "attachCanvas expects a LGraphCanvas instance";
    }
    a.graph && a.graph != this && a.graph.detachCanvas(a);
    a.graph = this;
    this.list_of_graphcanvas || (this.list_of_graphcanvas = []);
    this.list_of_graphcanvas.push(a);
  };
  e.prototype.detachCanvas = function(a) {
    if (this.list_of_graphcanvas) {
      var b = this.list_of_graphcanvas.indexOf(a);
      -1 != b && (a.graph = null, this.list_of_graphcanvas.splice(b, 1));
    }
  };
  e.prototype.start = function(a) {
    if (this.status != e.STATUS_RUNNING) {
      this.status = e.STATUS_RUNNING;
      if (this.onPlayEvent) {
        this.onPlayEvent();
      }
      this.sendEventToAllNodes("onStart");
      this.last_update_time = this.starttime = c.getTime();
      a = a || 0;
      var b = this;
      if (0 == a && "undefined" != typeof window && window.requestAnimationFrame) {
        var d = function() {
          -1 == b.execution_timer_id && (window.requestAnimationFrame(d), b.runStep(1, !this.catch_errors));
        };
        this.execution_timer_id = -1;
        d();
      } else {
        this.execution_timer_id = setInterval(function() {
          b.runStep(1, !this.catch_errors);
        }, a);
      }
    }
  };
  e.prototype.stop = function() {
    if (this.status != e.STATUS_STOPPED) {
      this.status = e.STATUS_STOPPED;
      if (this.onStopEvent) {
        this.onStopEvent();
      }
      null != this.execution_timer_id && (-1 != this.execution_timer_id && clearInterval(this.execution_timer_id), this.execution_timer_id = null);
      this.sendEventToAllNodes("onStop");
    }
  };
  e.prototype.runStep = function(a, b) {
    a = a || 1;
    var d = c.getTime();
    this.globaltime = 0.001 * (d - this.starttime);
    var p = this._nodes_executable ? this._nodes_executable : this._nodes;
    if (p) {
      if (b) {
        for (var m = 0; m < a; m++) {
          for (var g = 0, e = p.length; g < e; ++g) {
            var f = p[g];
            if (f.mode == c.ALWAYS && f.onExecute) {
              f.onExecute();
            }
          }
          this.fixedtime += this.fixedtime_lapse;
          if (this.onExecuteStep) {
            this.onExecuteStep();
          }
        }
        if (this.onAfterExecute) {
          this.onAfterExecute();
        }
      } else {
        try {
          for (m = 0; m < a; m++) {
            g = 0;
            for (e = p.length; g < e; ++g) {
              if (f = p[g], f.mode == c.ALWAYS && f.onExecute) {
                f.onExecute();
              }
            }
            this.fixedtime += this.fixedtime_lapse;
            if (this.onExecuteStep) {
              this.onExecuteStep();
            }
          }
          if (this.onAfterExecute) {
            this.onAfterExecute();
          }
          this.errors_in_execution = !1;
        } catch (I) {
          this.errors_in_execution = !0;
          if (c.throw_errors) {
            throw I;
          }
          c.debug && console.log("Error during execution: " + I);
          this.stop();
        }
      }
      a = c.getTime();
      d = a - d;
      0 == d && (d = 1);
      this.execution_time = 0.001 * d;
      this.globaltime += 0.001 * d;
      this.iteration += 1;
      this.elapsed_time = 0.001 * (a - this.last_update_time);
      this.last_update_time = a;
    }
  };
  e.prototype.updateExecutionOrder = function() {
    this._nodes_in_order = this.computeExecutionOrder(!1);
    this._nodes_executable = [];
    for (var a = 0; a < this._nodes_in_order.length; ++a) {
      this._nodes_in_order[a].onExecute && this._nodes_executable.push(this._nodes_in_order[a]);
    }
  };
  e.prototype.computeExecutionOrder = function(a, b) {
    for (var d = [], p = [], m = {}, g = {}, e = {}, f = 0, l = this._nodes.length; f < l; ++f) {
      var k = this._nodes[f];
      if (!a || k.onExecute) {
        m[k.id] = k;
        var v = 0;
        if (k.inputs) {
          for (var h = 0, t = k.inputs.length; h < t; h++) {
            k.inputs[h] && null != k.inputs[h].link && (v += 1);
          }
        }
        0 == v ? (p.push(k), b && (k._level = 1)) : (b && (k._level = 0), e[k.id] = v);
      }
    }
    for (; 0 != p.length;) {
      if (k = p.shift(), d.push(k), delete m[k.id], k.outputs) {
        for (f = 0; f < k.outputs.length; f++) {
          if (a = k.outputs[f], null != a && null != a.links && 0 != a.links.length) {
            for (h = 0; h < a.links.length; h++) {
              (l = this.links[a.links[h]]) && !g[l.id] && (v = this.getNodeById(l.target_id), null == v ? g[l.id] = !0 : (b && (!v._level || v._level <= k._level) && (v._level = k._level + 1), g[l.id] = !0, --e[v.id], 0 == e[v.id] && p.push(v)));
            }
          }
        }
      }
    }
    for (f in m) {
      d.push(m[f]);
    }
    d.length != this._nodes.length && c.debug && console.warn("something went wrong, nodes missing");
    l = d.length;
    for (f = 0; f < l; ++f) {
      d[f].order = f;
    }
    d = d.sort(function(a, b) {
      var d = a.constructor.priority || a.priority || 0, c = b.constructor.priority || b.priority || 0;
      return d == c ? a.order - b.order : d - c;
    });
    for (f = 0; f < l; ++f) {
      d[f].order = f;
    }
    return d;
  };
  e.prototype.getAncestors = function(a) {
    for (var b = [], d = [a], c = {}; d.length;) {
      var m = d.shift();
      if (m.inputs) {
        c[m.id] || m == a || (c[m.id] = !0, b.push(m));
        for (var g = 0; g < m.inputs.length; ++g) {
          var e = m.getInputNode(g);
          e && -1 == b.indexOf(e) && d.push(e);
        }
      }
    }
    b.sort(function(a, b) {
      return a.order - b.order;
    });
    return b;
  };
  e.prototype.arrange = function(a) {
    a = a || 40;
    for (var b = this.computeExecutionOrder(!1, !0), d = [], c = 0; c < b.length; ++c) {
      var m = b[c], g = m._level || 1;
      d[g] || (d[g] = []);
      d[g].push(m);
    }
    b = a;
    for (c = 0; c < d.length; ++c) {
      if (g = d[c]) {
        for (var e = 100, f = a, l = 0; l < g.length; ++l) {
          m = g[l], m.pos[0] = b, m.pos[1] = f, m.size[0] > e && (e = m.size[0]), f += m.size[1] + a;
        }
        b += e + a;
      }
    }
    this.setDirtyCanvas(!0, !0);
  };
  e.prototype.getTime = function() {
    return this.globaltime;
  };
  e.prototype.getFixedTime = function() {
    return this.fixedtime;
  };
  e.prototype.getElapsedTime = function() {
    return this.elapsed_time;
  };
  e.prototype.sendEventToAllNodes = function(a, b, d) {
    d = d || c.ALWAYS;
    var p = this._nodes_in_order ? this._nodes_in_order : this._nodes;
    if (p) {
      for (var m = 0, g = p.length; m < g; ++m) {
        var e = p[m];
        if (e.constructor === c.Subgraph && "onExecute" != a) {
          e.mode == d && e.sendEventToAllNodes(a, b, d);
        } else {
          if (e[a] && e.mode == d) {
            if (void 0 === b) {
              e[a]();
            } else {
              if (b && b.constructor === Array) {
                e[a].apply(e, b);
              } else {
                e[a](b);
              }
            }
          }
        }
      }
    }
  };
  e.prototype.sendActionToCanvas = function(a, b) {
    if (this.list_of_graphcanvas) {
      for (var d = 0; d < this.list_of_graphcanvas.length; ++d) {
        var c = this.list_of_graphcanvas[d];
        c[a] && c[a].apply(c, b);
      }
    }
  };
  e.prototype.add = function(a, b) {
    if (a) {
      if (a.constructor === h) {
        this._groups.push(a), this.setDirtyCanvas(!0), this.change(), a.graph = this, this._version++;
      } else {
        -1 != a.id && null != this._nodes_by_id[a.id] && (console.warn("LiteGraph: there is already a node with this ID, changing it"), a.id = ++this.last_node_id);
        if (this._nodes.length >= c.MAX_NUMBER_OF_NODES) {
          throw "LiteGraph: max number of nodes in a graph reached";
        }
        null == a.id || -1 == a.id ? a.id = ++this.last_node_id : this.last_node_id < a.id && (this.last_node_id = a.id);
        a.graph = this;
        this._version++;
        this._nodes.push(a);
        this._nodes_by_id[a.id] = a;
        if (a.onAdded) {
          a.onAdded(this);
        }
        this.config.align_to_grid && a.alignToGrid();
        b || this.updateExecutionOrder();
        if (this.onNodeAdded) {
          this.onNodeAdded(a);
        }
        this.setDirtyCanvas(!0);
        this.change();
        return a;
      }
    }
  };
  e.prototype.remove = function(a) {
    if (a.constructor === c.LGraphGroup) {
      var b = this._groups.indexOf(a);
      -1 != b && this._groups.splice(b, 1);
      a.graph = null;
      this._version++;
      this.setDirtyCanvas(!0, !0);
      this.change();
    } else {
      if (null != this._nodes_by_id[a.id] && !a.ignore_remove) {
        if (a.inputs) {
          for (b = 0; b < a.inputs.length; b++) {
            var d = a.inputs[b];
            null != d.link && a.disconnectInput(b);
          }
        }
        if (a.outputs) {
          for (b = 0; b < a.outputs.length; b++) {
            d = a.outputs[b], null != d.links && d.links.length && a.disconnectOutput(b);
          }
        }
        if (a.onRemoved) {
          a.onRemoved();
        }
        a.graph = null;
        this._version++;
        if (this.list_of_graphcanvas) {
          for (b = 0; b < this.list_of_graphcanvas.length; ++b) {
            d = this.list_of_graphcanvas[b], d.selected_nodes[a.id] && delete d.selected_nodes[a.id], d.node_dragged == a && (d.node_dragged = null);
          }
        }
        b = this._nodes.indexOf(a);
        -1 != b && this._nodes.splice(b, 1);
        delete this._nodes_by_id[a.id];
        if (this.onNodeRemoved) {
          this.onNodeRemoved(a);
        }
        this.setDirtyCanvas(!0, !0);
        this.change();
        this.updateExecutionOrder();
      }
    }
  };
  e.prototype.getNodeById = function(a) {
    return null == a ? null : this._nodes_by_id[a];
  };
  e.prototype.findNodesByClass = function(a, b) {
    b = b || [];
    for (var d = b.length = 0, c = this._nodes.length; d < c; ++d) {
      this._nodes[d].constructor === a && b.push(this._nodes[d]);
    }
    return b;
  };
  e.prototype.findNodesByType = function(a, b) {
    a = a.toLowerCase();
    b = b || [];
    for (var d = b.length = 0, c = this._nodes.length; d < c; ++d) {
      this._nodes[d].type.toLowerCase() == a && b.push(this._nodes[d]);
    }
    return b;
  };
  e.prototype.findNodeByTitle = function(a) {
    for (var b = 0, d = this._nodes.length; b < d; ++b) {
      if (this._nodes[b].title == a) {
        return this._nodes[b];
      }
    }
    return null;
  };
  e.prototype.findNodesByTitle = function(a) {
    for (var b = [], d = 0, c = this._nodes.length; d < c; ++d) {
      this._nodes[d].title == a && b.push(this._nodes[d]);
    }
    return b;
  };
  e.prototype.getNodeOnPos = function(a, b, d, c) {
    d = d || this._nodes;
    for (var p = d.length - 1; 0 <= p; p--) {
      var g = d[p];
      if (g.isPointInside(a, b, c)) {
        return g;
      }
    }
    return null;
  };
  e.prototype.getGroupOnPos = function(a, b) {
    for (var d = this._groups.length - 1; 0 <= d; d--) {
      var c = this._groups[d];
      if (c.isPointInside(a, b, 2, !0)) {
        return c;
      }
    }
    return null;
  };
  e.prototype.onAction = function(a, b) {
    this._input_nodes = this.findNodesByClass(c.GraphInput, this._input_nodes);
    for (var d = 0; d < this._input_nodes.length; ++d) {
      var p = this._input_nodes[d];
      if (p.properties.name == a) {
        p.onAction(a, b);
        break;
      }
    }
  };
  e.prototype.trigger = function(a, b) {
    if (this.onTrigger) {
      this.onTrigger(a, b);
    }
  };
  e.prototype.addInput = function(a, b, d) {
    if (!this.inputs[a]) {
      this.inputs[a] = {name:a, type:b, value:d};
      this._version++;
      if (this.onInputAdded) {
        this.onInputAdded(a, b);
      }
      if (this.onInputsOutputsChange) {
        this.onInputsOutputsChange();
      }
    }
  };
  e.prototype.setInputData = function(a, b) {
    if (a = this.inputs[a]) {
      a.value = b;
    }
  };
  e.prototype.getInputData = function(a) {
    return (a = this.inputs[a]) ? a.value : null;
  };
  e.prototype.renameInput = function(a, b) {
    if (b != a) {
      if (!this.inputs[a]) {
        return !1;
      }
      if (this.inputs[b]) {
        return console.error("there is already one input with that name"), !1;
      }
      this.inputs[b] = this.inputs[a];
      delete this.inputs[a];
      this._version++;
      if (this.onInputRenamed) {
        this.onInputRenamed(a, b);
      }
      if (this.onInputsOutputsChange) {
        this.onInputsOutputsChange();
      }
    }
  };
  e.prototype.changeInputType = function(a, b) {
    if (!this.inputs[a]) {
      return !1;
    }
    if (!this.inputs[a].type || String(this.inputs[a].type).toLowerCase() != String(b).toLowerCase()) {
      if (this.inputs[a].type = b, this._version++, this.onInputTypeChanged) {
        this.onInputTypeChanged(a, b);
      }
    }
  };
  e.prototype.removeInput = function(a) {
    if (!this.inputs[a]) {
      return !1;
    }
    delete this.inputs[a];
    this._version++;
    if (this.onInputRemoved) {
      this.onInputRemoved(a);
    }
    if (this.onInputsOutputsChange) {
      this.onInputsOutputsChange();
    }
    return !0;
  };
  e.prototype.addOutput = function(a, b, d) {
    this.outputs[a] = {name:a, type:b, value:d};
    this._version++;
    if (this.onOutputAdded) {
      this.onOutputAdded(a, b);
    }
    if (this.onInputsOutputsChange) {
      this.onInputsOutputsChange();
    }
  };
  e.prototype.setOutputData = function(a, b) {
    if (a = this.outputs[a]) {
      a.value = b;
    }
  };
  e.prototype.getOutputData = function(a) {
    return (a = this.outputs[a]) ? a.value : null;
  };
  e.prototype.renameOutput = function(a, b) {
    if (!this.outputs[a]) {
      return !1;
    }
    if (this.outputs[b]) {
      return console.error("there is already one output with that name"), !1;
    }
    this.outputs[b] = this.outputs[a];
    delete this.outputs[a];
    this._version++;
    if (this.onOutputRenamed) {
      this.onOutputRenamed(a, b);
    }
    if (this.onInputsOutputsChange) {
      this.onInputsOutputsChange();
    }
  };
  e.prototype.changeOutputType = function(a, b) {
    if (!this.outputs[a]) {
      return !1;
    }
    if (!this.outputs[a].type || String(this.outputs[a].type).toLowerCase() != String(b).toLowerCase()) {
      if (this.outputs[a].type = b, this._version++, this.onOutputTypeChanged) {
        this.onOutputTypeChanged(a, b);
      }
    }
  };
  e.prototype.removeOutput = function(a) {
    if (!this.outputs[a]) {
      return !1;
    }
    delete this.outputs[a];
    this._version++;
    if (this.onOutputRemoved) {
      this.onOutputRemoved(a);
    }
    if (this.onInputsOutputsChange) {
      this.onInputsOutputsChange();
    }
    return !0;
  };
  e.prototype.triggerInput = function(a, b) {
    a = this.findNodesByTitle(a);
    for (var d = 0; d < a.length; ++d) {
      a[d].onTrigger(b);
    }
  };
  e.prototype.setCallback = function(a, b) {
    a = this.findNodesByTitle(a);
    for (var d = 0; d < a.length; ++d) {
      a[d].setTrigger(b);
    }
  };
  e.prototype.connectionChange = function(a, b) {
    this.updateExecutionOrder();
    if (this.onConnectionChange) {
      this.onConnectionChange(a);
    }
    this._version++;
    this.sendActionToCanvas("onConnectionChange");
  };
  e.prototype.isLive = function() {
    if (!this.list_of_graphcanvas) {
      return !1;
    }
    for (var a = 0; a < this.list_of_graphcanvas.length; ++a) {
      if (this.list_of_graphcanvas[a].live_mode) {
        return !0;
      }
    }
    return !1;
  };
  e.prototype.clearTriggeredSlots = function() {
    for (var a in this.links) {
      var b = this.links[a];
      b && b._last_time && (b._last_time = 0);
    }
  };
  e.prototype.change = function() {
    c.debug && console.log("Graph changed");
    this.sendActionToCanvas("setDirty", [!0, !0]);
    if (this.on_change) {
      this.on_change(this);
    }
  };
  e.prototype.setDirtyCanvas = function(a, b) {
    this.sendActionToCanvas("setDirty", [a, b]);
  };
  e.prototype.removeLink = function(a) {
    if (a = this.links[a]) {
      var b = this.getNodeById(a.target_id);
      b && b.disconnectInput(a.target_slot);
    }
  };
  e.prototype.serialize = function() {
    for (var a = [], b = 0, d = this._nodes.length; b < d; ++b) {
      a.push(this._nodes[b].serialize());
    }
    d = [];
    for (b in this.links) {
      var p = this.links[b];
      d.push([p.id, p.origin_id, p.origin_slot, p.target_id, p.target_slot, p.type]);
    }
    p = [];
    for (b = 0; b < this._groups.length; ++b) {
      p.push(this._groups[b].serialize());
    }
    return {last_node_id:this.last_node_id, last_link_id:this.last_link_id, nodes:a, links:d, groups:p, config:this.config, version:c.VERSION};
  };
  e.prototype.configure = function(a, b) {
    if (a) {
      b || this.clear();
      b = a.nodes;
      if (a.links && a.links.constructor === Array) {
        for (var d = [], p = 0; p < a.links.length; ++p) {
          var m = a.links[p], g = new q;
          g.configure(m);
          d[g.id] = g;
        }
        a.links = d;
      }
      for (p in a) {
        this[p] = a[p];
      }
      d = !1;
      this._nodes = [];
      if (b) {
        p = 0;
        for (m = b.length; p < m; ++p) {
          g = b[p];
          var e = c.createNode(g.type, g.title);
          e || (c.debug && console.log("Node not found or has errors: " + g.type), e = new k, e.last_serialization = g, d = e.has_errors = !0);
          e.id = g.id;
          this.add(e, !0);
        }
        p = 0;
        for (m = b.length; p < m; ++p) {
          g = b[p], (e = this.getNodeById(g.id)) && e.configure(g);
        }
      }
      this._groups.length = 0;
      if (a.groups) {
        for (p = 0; p < a.groups.length; ++p) {
          b = new c.LGraphGroup, b.configure(a.groups[p]), this.add(b);
        }
      }
      this.updateExecutionOrder();
      this._version++;
      this.setDirtyCanvas(!0, !0);
      return d;
    }
  };
  e.prototype.load = function(a) {
    var b = this, d = new XMLHttpRequest;
    d.open("GET", a, !0);
    d.send(null);
    d.onload = function(a) {
      200 !== d.status ? console.error("Error loading graph:", d.status, d.response) : (a = JSON.parse(d.response), b.configure(a));
    };
    d.onerror = function(a) {
      console.error("Error loading graph:", a);
    };
  };
  e.prototype.onNodeTrace = function(a, b, d) {
  };
  q.prototype.configure = function(a) {
    a.constructor === Array ? (this.id = a[0], this.origin_id = a[1], this.origin_slot = a[2], this.target_id = a[3], this.target_slot = a[4], this.type = a[5]) : (this.id = a.id, this.type = a.type, this.origin_id = a.origin_id, this.origin_slot = a.origin_slot, this.target_id = a.target_id, this.target_slot = a.target_slot);
  };
  q.prototype.serialize = function() {
    return [this.id, this.type, this.origin_id, this.origin_slot, this.target_id, this.target_slot];
  };
  c.LLink = q;
  w.LGraphNode = c.LGraphNode = k;
  k.prototype._ctor = function(a) {
    this.title = a || "Unnamed";
    this.size = [c.NODE_WIDTH, 60];
    this.graph = null;
    this._pos = new Float32Array(10, 10);
    Object.defineProperty(this, "pos", {set:function(a) {
      !a || 2 > a.length || (this._pos[0] = a[0], this._pos[1] = a[1]);
    }, get:function() {
      return this._pos;
    }, enumerable:!0});
    this.id = -1;
    this.type = null;
    this.inputs = [];
    this.outputs = [];
    this.connections = [];
    this.properties = {};
    this.properties_info = [];
    this.flags = {};
  };
  k.prototype.configure = function(a) {
    this.graph && this.graph._version++;
    for (var b in a) {
      if ("properties" == b) {
        for (var d in a.properties) {
          if (this.properties[d] = a.properties[d], this.onPropertyChanged) {
            this.onPropertyChanged(d, a.properties[d]);
          }
        }
      } else {
        null != a[b] && ("object" == typeof a[b] ? this[b] && this[b].configure ? this[b].configure(a[b]) : this[b] = c.cloneObject(a[b], this[b]) : this[b] = a[b]);
      }
    }
    a.title || (this.title = this.constructor.title);
    if (this.onConnectionsChange) {
      if (this.inputs) {
        for (d = 0; d < this.inputs.length; ++d) {
          b = this.inputs[d];
          var p = this.graph ? this.graph.links[b.link] : null;
          this.onConnectionsChange(c.INPUT, d, !0, p, b);
        }
      }
      if (this.outputs) {
        for (d = 0; d < this.outputs.length; ++d) {
          var m = this.outputs[d];
          if (m.links) {
            for (b = 0; b < m.links.length; ++b) {
              p = this.graph ? this.graph.links[m.links[b]] : null, this.onConnectionsChange(c.OUTPUT, d, !0, p, m);
            }
          }
        }
      }
    }
    if (a.widgets_values && this.widgets) {
      for (d = 0; d < a.widgets_values.length; ++d) {
        this.widgets[d] && (this.widgets[d].value = a.widgets_values[d]);
      }
    }
    if (this.onConfigure) {
      this.onConfigure(a);
    }
  };
  k.prototype.serialize = function() {
    var a = {id:this.id, type:this.type, pos:this.pos, size:this.size, flags:c.cloneObject(this.flags), mode:this.mode};
    if (this.constructor === k && this.last_serialization) {
      return this.last_serialization;
    }
    this.inputs && (a.inputs = this.inputs);
    if (this.outputs) {
      for (var b = 0; b < this.outputs.length; b++) {
        delete this.outputs[b]._data;
      }
      a.outputs = this.outputs;
    }
    this.title && this.title != this.constructor.title && (a.title = this.title);
    this.properties && (a.properties = c.cloneObject(this.properties));
    if (this.widgets && this.serialize_widgets) {
      for (a.widgets_values = [], b = 0; b < this.widgets.length; ++b) {
        a.widgets_values[b] = this.widgets[b].value;
      }
    }
    a.type || (a.type = this.constructor.type);
    this.color && (a.color = this.color);
    this.bgcolor && (a.bgcolor = this.bgcolor);
    this.boxcolor && (a.boxcolor = this.boxcolor);
    this.shape && (a.shape = this.shape);
    this.onSerialize && this.onSerialize(a) && console.warn("node onSerialize shouldnt return anything, data should be stored in the object pass in the first parameter");
    return a;
  };
  k.prototype.clone = function() {
    var a = c.createNode(this.type);
    if (!a) {
      return null;
    }
    var b = c.cloneObject(this.serialize());
    if (b.inputs) {
      for (var d = 0; d < b.inputs.length; ++d) {
        b.inputs[d].link = null;
      }
    }
    if (b.outputs) {
      for (d = 0; d < b.outputs.length; ++d) {
        b.outputs[d].links && (b.outputs[d].links.length = 0);
      }
    }
    delete b.id;
    a.configure(b);
    return a;
  };
  k.prototype.toString = function() {
    return JSON.stringify(this.serialize());
  };
  k.prototype.getTitle = function() {
    return this.title || this.constructor.title;
  };
  k.prototype.setOutputData = function(a, b) {
    if (this.outputs && !(-1 == a || a >= this.outputs.length)) {
      var d = this.outputs[a];
      if (d && (d._data = b, this.outputs[a].links)) {
        for (d = 0; d < this.outputs[a].links.length; d++) {
          this.graph.links[this.outputs[a].links[d]].data = b;
        }
      }
    }
  };
  k.prototype.setOutputDataType = function(a, b) {
    if (this.outputs && !(-1 == a || a >= this.outputs.length)) {
      var d = this.outputs[a];
      if (d && (d.type = b, this.outputs[a].links)) {
        for (d = 0; d < this.outputs[a].links.length; d++) {
          this.graph.links[this.outputs[a].links[d]].type = b;
        }
      }
    }
  };
  k.prototype.getInputData = function(a, b) {
    if (this.inputs && !(a >= this.inputs.length || null == this.inputs[a].link)) {
      a = this.graph.links[this.inputs[a].link];
      if (!a) {
        return null;
      }
      if (!b) {
        return a.data;
      }
      b = this.graph.getNodeById(a.origin_id);
      if (!b) {
        return a.data;
      }
      if (b.updateOutputData) {
        b.updateOutputData(a.origin_slot);
      } else {
        if (b.onExecute) {
          b.onExecute();
        }
      }
      return a.data;
    }
  };
  k.prototype.getInputDataType = function(a) {
    if (!this.inputs || a >= this.inputs.length || null == this.inputs[a].link) {
      return null;
    }
    a = this.graph.links[this.inputs[a].link];
    if (!a) {
      return null;
    }
    var b = this.graph.getNodeById(a.origin_id);
    return b ? (a = b.outputs[a.origin_slot]) ? a.type : null : a.type;
  };
  k.prototype.getInputDataByName = function(a, b) {
    a = this.findInputSlot(a);
    return -1 == a ? null : this.getInputData(a, b);
  };
  k.prototype.isInputConnected = function(a) {
    return this.inputs ? a < this.inputs.length && null != this.inputs[a].link : !1;
  };
  k.prototype.getInputInfo = function(a) {
    return this.inputs ? a < this.inputs.length ? this.inputs[a] : null : null;
  };
  k.prototype.getInputNode = function(a) {
    if (!this.inputs || a >= this.inputs.length) {
      return null;
    }
    a = this.inputs[a];
    return a && null !== a.link ? (a = this.graph.links[a.link]) ? this.graph.getNodeById(a.origin_id) : null : null;
  };
  k.prototype.getInputOrProperty = function(a) {
    if (!this.inputs || !this.inputs.length) {
      return this.properties ? this.properties[a] : null;
    }
    for (var b = 0, d = this.inputs.length; b < d; ++b) {
      var c = this.inputs[b];
      if (a == c.name && null != c.link && (c = this.graph.links[c.link])) {
        return c.data;
      }
    }
    return this.properties[a];
  };
  k.prototype.getOutputData = function(a) {
    return !this.outputs || a >= this.outputs.length ? null : this.outputs[a]._data;
  };
  k.prototype.getOutputInfo = function(a) {
    return this.outputs ? a < this.outputs.length ? this.outputs[a] : null : null;
  };
  k.prototype.isOutputConnected = function(a) {
    return this.outputs ? a < this.outputs.length && this.outputs[a].links && this.outputs[a].links.length : !1;
  };
  k.prototype.isAnyOutputConnected = function() {
    if (!this.outputs) {
      return !1;
    }
    for (var a = 0; a < this.outputs.length; ++a) {
      if (this.outputs[a].links && this.outputs[a].links.length) {
        return !0;
      }
    }
    return !1;
  };
  k.prototype.getOutputNodes = function(a) {
    if (!this.outputs || 0 == this.outputs.length || a >= this.outputs.length) {
      return null;
    }
    a = this.outputs[a];
    if (!a.links || 0 == a.links.length) {
      return null;
    }
    for (var b = [], d = 0; d < a.links.length; d++) {
      var c = this.graph.links[a.links[d]];
      c && (c = this.graph.getNodeById(c.target_id)) && b.push(c);
    }
    return b;
  };
  k.prototype.trigger = function(a, b) {
    if (this.outputs && this.outputs.length) {
      this.graph && (this.graph._last_trigger_time = c.getTime());
      for (var d = 0; d < this.outputs.length; ++d) {
        var p = this.outputs[d];
        !p || p.type !== c.EVENT || a && p.name != a || this.triggerSlot(d, b);
      }
    }
  };
  k.prototype.triggerSlot = function(a, b, d) {
    if (this.outputs && (a = this.outputs[a]) && (a = a.links) && a.length) {
      this.graph && (this.graph._last_trigger_time = c.getTime());
      for (var p = 0; p < a.length; ++p) {
        var m = a[p];
        if (null == d || d == m) {
          var g = this.graph.links[a[p]];
          if (g && (g._last_time = c.getTime(), m = this.graph.getNodeById(g.target_id))) {
            if (g = m.inputs[g.target_slot], m.onAction) {
              m.onAction(g.name, b);
            } else {
              if (m.mode === c.ON_TRIGGER && m.onExecute) {
                m.onExecute(b);
              }
            }
          }
        }
      }
    }
  };
  k.prototype.clearTriggeredSlot = function(a, b) {
    if (this.outputs && (a = this.outputs[a]) && (a = a.links) && a.length) {
      for (var d = 0; d < a.length; ++d) {
        var c = a[d];
        if (null == b || b == c) {
          if (c = this.graph.links[a[d]]) {
            c._last_time = 0;
          }
        }
      }
    }
  };
  k.prototype.addProperty = function(a, b, d, c) {
    d = {name:a, type:d, default_value:b};
    if (c) {
      for (var p in c) {
        d[p] = c[p];
      }
    }
    this.properties_info || (this.properties_info = []);
    this.properties_info.push(d);
    this.properties || (this.properties = {});
    this.properties[a] = b;
    return d;
  };
  k.prototype.addOutput = function(a, b, d) {
    a = {name:a, type:b, links:null};
    if (d) {
      for (var c in d) {
        a[c] = d[c];
      }
    }
    this.outputs || (this.outputs = []);
    this.outputs.push(a);
    if (this.onOutputAdded) {
      this.onOutputAdded(a);
    }
    this.size = this.computeSize();
    this.setDirtyCanvas(!0, !0);
    return a;
  };
  k.prototype.addOutputs = function(a) {
    for (var b = 0; b < a.length; ++b) {
      var d = a[b], c = {name:d[0], type:d[1], link:null};
      if (a[2]) {
        for (var m in d[2]) {
          c[m] = d[2][m];
        }
      }
      this.outputs || (this.outputs = []);
      this.outputs.push(c);
      if (this.onOutputAdded) {
        this.onOutputAdded(c);
      }
    }
    this.size = this.computeSize();
    this.setDirtyCanvas(!0, !0);
  };
  k.prototype.removeOutput = function(a) {
    this.disconnectOutput(a);
    this.outputs.splice(a, 1);
    for (var b = a; b < this.outputs.length; ++b) {
      if (this.outputs[b] && this.outputs[b].links) {
        for (var d = this.outputs[b].links, c = 0; c < d.length; ++c) {
          var m = this.graph.links[d[c]];
          m && --m.origin_slot;
        }
      }
    }
    this.size = this.computeSize();
    if (this.onOutputRemoved) {
      this.onOutputRemoved(a);
    }
    this.setDirtyCanvas(!0, !0);
  };
  k.prototype.addInput = function(a, b, d) {
    a = {name:a, type:b || 0, link:null};
    if (d) {
      for (var c in d) {
        a[c] = d[c];
      }
    }
    this.inputs || (this.inputs = []);
    this.inputs.push(a);
    this.size = this.computeSize();
    if (this.onInputAdded) {
      this.onInputAdded(a);
    }
    this.setDirtyCanvas(!0, !0);
    return a;
  };
  k.prototype.addInputs = function(a) {
    for (var b = 0; b < a.length; ++b) {
      var d = a[b], c = {name:d[0], type:d[1], link:null};
      if (a[2]) {
        for (var m in d[2]) {
          c[m] = d[2][m];
        }
      }
      this.inputs || (this.inputs = []);
      this.inputs.push(c);
      if (this.onInputAdded) {
        this.onInputAdded(c);
      }
    }
    this.size = this.computeSize();
    this.setDirtyCanvas(!0, !0);
  };
  k.prototype.removeInput = function(a) {
    this.disconnectInput(a);
    this.inputs.splice(a, 1);
    for (var b = a; b < this.inputs.length; ++b) {
      if (this.inputs[b]) {
        var d = this.graph.links[this.inputs[b].link];
        d && --d.target_slot;
      }
    }
    this.size = this.computeSize();
    if (this.onInputRemoved) {
      this.onInputRemoved(a);
    }
    this.setDirtyCanvas(!0, !0);
  };
  k.prototype.addConnection = function(a, b, d, c) {
    a = {name:a, type:b, pos:d, direction:c, links:null};
    this.connections.push(a);
    return a;
  };
  k.prototype.computeSize = function(a, b) {
    function d(a) {
      return a ? p * a.length * 0.6 : 0;
    }
    if (this.constructor.size) {
      return this.constructor.size.concat();
    }
    a = Math.max(this.inputs ? this.inputs.length : 1, this.outputs ? this.outputs.length : 1);
    b = b || new Float32Array([0, 0]);
    a = Math.max(a, 1);
    var p = c.NODE_TEXT_SIZE;
    b[1] = (this.constructor.slot_start_y || 0) + a * c.NODE_SLOT_HEIGHT;
    a = 0;
    this.widgets && this.widgets.length && (a = this.widgets.length * (c.NODE_WIDGET_HEIGHT + 4) + 8);
    b[1] = this.widgets_up ? Math.max(b[1], a) : b[1] + a;
    a = d(this.title);
    var m = 0, g = 0;
    if (this.inputs) {
      for (var e = 0, f = this.inputs.length; e < f; ++e) {
        var l = this.inputs[e];
        l = l.label || l.name || "";
        l = d(l);
        m < l && (m = l);
      }
    }
    if (this.outputs) {
      for (e = 0, f = this.outputs.length; e < f; ++e) {
        l = this.outputs[e], l = l.label || l.name || "", l = d(l), g < l && (g = l);
      }
    }
    b[0] = Math.max(m + g + 10, a);
    b[0] = Math.max(b[0], c.NODE_WIDTH);
    this.widgets && this.widgets.length && (b[0] = Math.max(b[0], 1.5 * c.NODE_WIDTH));
    if (this.onResize) {
      this.onResize(b);
    }
    this.constructor.min_height && b[1] < this.constructor.min_height && (b[1] = this.constructor.min_height);
    b[1] += 6;
    return b;
  };
  k.prototype.addWidget = function(a, b, d, c, m) {
    this.widgets || (this.widgets = []);
    b = {type:a.toLowerCase(), name:b, value:d, callback:c, options:m || {}};
    void 0 !== b.options.y && (b.y = b.options.y);
    c || console.warn("LiteGraph addWidget(...) without a callback");
    if ("combo" == a && !b.options.values) {
      throw "LiteGraph addWidget('combo',...) requires to pass values in options: { values:['red','blue'] }";
    }
    this.widgets.push(b);
    return b;
  };
  k.prototype.addCustomWidget = function(a) {
    this.widgets || (this.widgets = []);
    this.widgets.push(a);
    return a;
  };
  k.prototype.getBounding = function(a) {
    a = a || new Float32Array(4);
    a[0] = this.pos[0] - 4;
    a[1] = this.pos[1] - c.NODE_TITLE_HEIGHT;
    a[2] = this.size[0] + 4;
    a[3] = this.size[1] + c.NODE_TITLE_HEIGHT;
    if (this.onBounding) {
      this.onBounding(a);
    }
    return a;
  };
  k.prototype.isPointInside = function(a, b, d, p) {
    d = d || 0;
    var m = this.graph && this.graph.isLive() ? 0 : 20;
    p && (m = 0);
    if (this.flags && this.flags.collapsed) {
      if (B(a, b, this.pos[0] - d, this.pos[1] - c.NODE_TITLE_HEIGHT - d, (this._collapsed_width || c.NODE_COLLAPSED_WIDTH) + 2 * d, c.NODE_TITLE_HEIGHT + 2 * d)) {
        return !0;
      }
    } else {
      if (this.pos[0] - 4 - d < a && this.pos[0] + this.size[0] + 4 + d > a && this.pos[1] - m - d < b && this.pos[1] + this.size[1] + d > b) {
        return !0;
      }
    }
    return !1;
  };
  k.prototype.getSlotInPosition = function(a, b) {
    var d = new Float32Array(2);
    if (this.inputs) {
      for (var c = 0, m = this.inputs.length; c < m; ++c) {
        var g = this.inputs[c];
        this.getConnectionPos(!0, c, d);
        if (B(a, b, d[0] - 10, d[1] - 5, 20, 10)) {
          return {input:g, slot:c, link_pos:d, locked:g.locked};
        }
      }
    }
    if (this.outputs) {
      for (c = 0, m = this.outputs.length; c < m; ++c) {
        if (g = this.outputs[c], this.getConnectionPos(!1, c, d), B(a, b, d[0] - 10, d[1] - 5, 20, 10)) {
          return {output:g, slot:c, link_pos:d, locked:g.locked};
        }
      }
    }
    return null;
  };
  k.prototype.findInputSlot = function(a) {
    if (!this.inputs) {
      return -1;
    }
    for (var b = 0, d = this.inputs.length; b < d; ++b) {
      if (a == this.inputs[b].name) {
        return b;
      }
    }
    return -1;
  };
  k.prototype.findOutputSlot = function(a) {
    if (!this.outputs) {
      return -1;
    }
    for (var b = 0, d = this.outputs.length; b < d; ++b) {
      if (a == this.outputs[b].name) {
        return b;
      }
    }
    return -1;
  };
  k.prototype.connect = function(a, b, d) {
    d = d || 0;
    if (!this.graph) {
      return console.log("Connect: Error, node doesn't belong to any graph. Nodes must be added first to a graph before connecting them."), null;
    }
    if (a.constructor === String) {
      if (a = this.findOutputSlot(a), -1 == a) {
        return c.debug && console.log("Connect: Error, no slot of name " + a), null;
      }
    } else {
      if (!this.outputs || a >= this.outputs.length) {
        return c.debug && console.log("Connect: Error, slot number not found"), null;
      }
    }
    b && b.constructor === Number && (b = this.graph.getNodeById(b));
    if (!b) {
      throw "target node is null";
    }
    if (b == this) {
      return null;
    }
    if (d.constructor === String) {
      if (d = b.findInputSlot(d), -1 == d) {
        return c.debug && console.log("Connect: Error, no slot of name " + d), null;
      }
    } else {
      if (d === c.EVENT) {
        return null;
      }
      if (!b.inputs || d >= b.inputs.length) {
        return c.debug && console.log("Connect: Error, slot number not found"), null;
      }
    }
    null != b.inputs[d].link && b.disconnectInput(d);
    var g = this.outputs[a];
    if (b.onConnectInput && !1 === b.onConnectInput(d, g.type, g)) {
      return null;
    }
    var m = b.inputs[d], e = null;
    if (c.isValidConnection(g.type, m.type)) {
      e = new q(this.graph.last_link_id++, m.type, this.id, a, b.id, d);
      this.graph.links[e.id] = e;
      null == g.links && (g.links = []);
      g.links.push(e.id);
      b.inputs[d].link = e.id;
      this.graph && this.graph._version++;
      if (this.onConnectionsChange) {
        this.onConnectionsChange(c.OUTPUT, a, !0, e, g);
      }
      if (b.onConnectionsChange) {
        b.onConnectionsChange(c.INPUT, d, !0, e, m);
      }
      this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(c.INPUT, b, d, this, a), this.graph.onNodeConnectionChange(c.OUTPUT, this, a, b, d));
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this, e);
    return e;
  };
  k.prototype.disconnectOutput = function(a, b) {
    if (a.constructor === String) {
      if (a = this.findOutputSlot(a), -1 == a) {
        return c.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.outputs || a >= this.outputs.length) {
        return c.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    var d = this.outputs[a];
    if (!d || !d.links || 0 == d.links.length) {
      return !1;
    }
    if (b) {
      b.constructor === Number && (b = this.graph.getNodeById(b));
      if (!b) {
        throw "Target Node not found";
      }
      for (var g = 0, m = d.links.length; g < m; g++) {
        var e = d.links[g], f = this.graph.links[e];
        if (f.target_id == b.id) {
          d.links.splice(g, 1);
          var l = b.inputs[f.target_slot];
          l.link = null;
          delete this.graph.links[e];
          this.graph && this.graph._version++;
          if (b.onConnectionsChange) {
            b.onConnectionsChange(c.INPUT, f.target_slot, !1, f, l);
          }
          if (this.onConnectionsChange) {
            this.onConnectionsChange(c.OUTPUT, a, !1, f, d);
          }
          if (this.graph && this.graph.onNodeConnectionChange) {
            this.graph.onNodeConnectionChange(c.OUTPUT, this, a);
          }
          this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(c.OUTPUT, this, a), this.graph.onNodeConnectionChange(c.INPUT, b, f.target_slot));
          break;
        }
      }
    } else {
      g = 0;
      for (m = d.links.length; g < m; g++) {
        if (e = d.links[g], f = this.graph.links[e]) {
          b = this.graph.getNodeById(f.target_id);
          this.graph && this.graph._version++;
          if (b) {
            l = b.inputs[f.target_slot];
            l.link = null;
            if (b.onConnectionsChange) {
              b.onConnectionsChange(c.INPUT, f.target_slot, !1, f, l);
            }
            if (this.graph && this.graph.onNodeConnectionChange) {
              this.graph.onNodeConnectionChange(c.INPUT, b, f.target_slot);
            }
          }
          delete this.graph.links[e];
          if (this.onConnectionsChange) {
            this.onConnectionsChange(c.OUTPUT, a, !1, f, d);
          }
          this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(c.OUTPUT, this, a), this.graph.onNodeConnectionChange(c.INPUT, b, f.target_slot));
        }
      }
      d.links = null;
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  k.prototype.disconnectInput = function(a) {
    if (a.constructor === String) {
      if (a = this.findInputSlot(a), -1 == a) {
        return c.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.inputs || a >= this.inputs.length) {
        return c.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    var b = this.inputs[a];
    if (!b) {
      return !1;
    }
    var d = this.inputs[a].link;
    this.inputs[a].link = null;
    var g = this.graph.links[d];
    if (g) {
      var m = this.graph.getNodeById(g.origin_id);
      if (!m) {
        return !1;
      }
      var e = m.outputs[g.origin_slot];
      if (!e || !e.links || 0 == e.links.length) {
        return !1;
      }
      for (var f = 0, l = e.links.length; f < l; f++) {
        if (e.links[f] == d) {
          e.links.splice(f, 1);
          break;
        }
      }
      delete this.graph.links[d];
      this.graph && this.graph._version++;
      if (this.onConnectionsChange) {
        this.onConnectionsChange(c.INPUT, a, !1, g, b);
      }
      if (m.onConnectionsChange) {
        m.onConnectionsChange(c.OUTPUT, f, !1, g, e);
      }
      this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(c.OUTPUT, m, f), this.graph.onNodeConnectionChange(c.INPUT, this, a));
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  k.prototype.getConnectionPos = function(a, b, d) {
    d = d || new Float32Array(2);
    var g = 0;
    a && this.inputs && (g = this.inputs.length);
    !a && this.outputs && (g = this.outputs.length);
    var m = 0.5 * c.NODE_SLOT_HEIGHT;
    if (this.flags.collapsed) {
      return b = this._collapsed_width || c.NODE_COLLAPSED_WIDTH, this.horizontal ? (d[0] = this.pos[0] + 0.5 * b, d[1] = a ? this.pos[1] - c.NODE_TITLE_HEIGHT : this.pos[1]) : (d[0] = a ? this.pos[0] : this.pos[0] + b, d[1] = this.pos[1] - 0.5 * c.NODE_TITLE_HEIGHT), d;
    }
    if (a && -1 == b) {
      return d[0] = this.pos[0] + 0.5 * c.NODE_TITLE_HEIGHT, d[1] = this.pos[1] + 0.5 * c.NODE_TITLE_HEIGHT, d;
    }
    if (a && g > b && this.inputs[b].pos) {
      return d[0] = this.pos[0] + this.inputs[b].pos[0], d[1] = this.pos[1] + this.inputs[b].pos[1], d;
    }
    if (!a && g > b && this.outputs[b].pos) {
      return d[0] = this.pos[0] + this.outputs[b].pos[0], d[1] = this.pos[1] + this.outputs[b].pos[1], d;
    }
    if (this.horizontal) {
      return d[0] = this.pos[0] + this.size[0] / g * (b + 0.5), d[1] = a ? this.pos[1] - c.NODE_TITLE_HEIGHT : this.pos[1] + this.size[1], d;
    }
    d[0] = a ? this.pos[0] + m : this.pos[0] + this.size[0] + 1 - m;
    d[1] = this.pos[1] + (b + 0.7) * c.NODE_SLOT_HEIGHT + (this.constructor.slot_start_y || 0);
    return d;
  };
  k.prototype.alignToGrid = function() {
    this.pos[0] = c.CANVAS_GRID_SIZE * Math.round(this.pos[0] / c.CANVAS_GRID_SIZE);
    this.pos[1] = c.CANVAS_GRID_SIZE * Math.round(this.pos[1] / c.CANVAS_GRID_SIZE);
  };
  k.prototype.trace = function(a) {
    this.console || (this.console = []);
    this.console.push(a);
    this.console.length > k.MAX_CONSOLE && this.console.shift();
    this.graph.onNodeTrace(this, a);
  };
  k.prototype.setDirtyCanvas = function(a, b) {
    this.graph && this.graph.sendActionToCanvas("setDirty", [a, b]);
  };
  k.prototype.loadImage = function(a) {
    var b = new Image;
    b.src = c.node_images_path + a;
    b.ready = !1;
    var d = this;
    b.onload = function() {
      this.ready = !0;
      d.setDirtyCanvas(!0);
    };
    return b;
  };
  k.prototype.captureInput = function(a) {
    if (this.graph && this.graph.list_of_graphcanvas) {
      for (var b = this.graph.list_of_graphcanvas, d = 0; d < b.length; ++d) {
        var c = b[d];
        if (a || c.node_capturing_input == this) {
          c.node_capturing_input = a ? this : null;
        }
      }
    }
  };
  k.prototype.collapse = function(a) {
    this.graph._version++;
    if (!1 !== this.constructor.collapsable || a) {
      this.flags.collapsed = this.flags.collapsed ? !1 : !0, this.setDirtyCanvas(!0, !0);
    }
  };
  k.prototype.pin = function(a) {
    this.graph._version++;
    this.flags.pinned = void 0 === a ? !this.flags.pinned : a;
  };
  k.prototype.localToScreen = function(a, b, d) {
    return [(a + this.pos[0]) * d.scale + d.offset[0], (b + this.pos[1]) * d.scale + d.offset[1]];
  };
  w.LGraphGroup = c.LGraphGroup = h;
  h.prototype._ctor = function(a) {
    this.title = a || "Group";
    this.font_size = 24;
    this.color = f.node_colors.pale_blue ? f.node_colors.pale_blue.groupcolor : "#AAA";
    this._bounding = new Float32Array([10, 10, 140, 80]);
    this._pos = this._bounding.subarray(0, 2);
    this._size = this._bounding.subarray(2, 4);
    this._nodes = [];
    this.graph = null;
    Object.defineProperty(this, "pos", {set:function(a) {
      !a || 2 > a.length || (this._pos[0] = a[0], this._pos[1] = a[1]);
    }, get:function() {
      return this._pos;
    }, enumerable:!0});
    Object.defineProperty(this, "size", {set:function(a) {
      !a || 2 > a.length || (this._size[0] = Math.max(140, a[0]), this._size[1] = Math.max(80, a[1]));
    }, get:function() {
      return this._size;
    }, enumerable:!0});
  };
  h.prototype.configure = function(a) {
    this.title = a.title;
    this._bounding.set(a.bounding);
    this.color = a.color;
    this.font = a.font;
  };
  h.prototype.serialize = function() {
    var a = this._bounding;
    return {title:this.title, bounding:[Math.round(a[0]), Math.round(a[1]), Math.round(a[2]), Math.round(a[3])], color:this.color, font:this.font};
  };
  h.prototype.move = function(a, b, d) {
    this._pos[0] += a;
    this._pos[1] += b;
    if (!d) {
      for (d = 0; d < this._nodes.length; ++d) {
        var c = this._nodes[d];
        c.pos[0] += a;
        c.pos[1] += b;
      }
    }
  };
  h.prototype.recomputeInsideNodes = function() {
    this._nodes.length = 0;
    for (var a = this.graph._nodes, b = new Float32Array(4), d = 0; d < a.length; ++d) {
      var c = a[d];
      c.getBounding(b);
      z(this._bounding, b) && this._nodes.push(c);
    }
  };
  h.prototype.isPointInside = k.prototype.isPointInside;
  h.prototype.setDirtyCanvas = k.prototype.setDirtyCanvas;
  c.DragAndScale = n;
  n.prototype.bindEvents = function(a) {
    this.last_mouse = new Float32Array(2);
    this._binded_mouse_callback = this.onMouse.bind(this);
    a.addEventListener("mousedown", this._binded_mouse_callback);
    a.addEventListener("mousemove", this._binded_mouse_callback);
    a.addEventListener("mousewheel", this._binded_mouse_callback, !1);
    a.addEventListener("wheel", this._binded_mouse_callback, !1);
  };
  n.prototype.computeVisibleArea = function() {
    if (this.element) {
      var a = -this.offset[0], b = -this.offset[1], d = a + this.element.width / this.scale, c = b + this.element.height / this.scale;
      this.visible_area[0] = a;
      this.visible_area[1] = b;
      this.visible_area[2] = d - a;
      this.visible_area[3] = c - b;
    } else {
      this.visible_area[0] = this.visible_area[1] = this.visible_area[2] = this.visible_area[3] = 0;
    }
  };
  n.prototype.onMouse = function(a) {
    if (this.enabled) {
      var b = this.element, d = b.getBoundingClientRect(), c = a.clientX - d.left;
      d = a.clientY - d.top;
      a.canvasx = c;
      a.canvasy = d;
      a.dragging = this.dragging;
      var g = !1;
      this.onmouse && (g = this.onmouse(a));
      if ("mousedown" == a.type) {
        this.dragging = !0, b.removeEventListener("mousemove", this._binded_mouse_callback), document.body.addEventListener("mousemove", this._binded_mouse_callback), document.body.addEventListener("mouseup", this._binded_mouse_callback);
      } else {
        if ("mousemove" == a.type) {
          g || (b = c - this.last_mouse[0], g = d - this.last_mouse[1], this.dragging && this.mouseDrag(b, g));
        } else {
          if ("mouseup" == a.type) {
            this.dragging = !1, document.body.removeEventListener("mousemove", this._binded_mouse_callback), document.body.removeEventListener("mouseup", this._binded_mouse_callback), b.addEventListener("mousemove", this._binded_mouse_callback);
          } else {
            if ("mousewheel" == a.type || "wheel" == a.type || "DOMMouseScroll" == a.type) {
              a.eventType = "mousewheel", a.wheel = "wheel" == a.type ? -a.deltaY : null != a.wheelDeltaY ? a.wheelDeltaY : -60 * a.detail, a.delta = a.wheelDelta ? a.wheelDelta / 40 : a.deltaY ? -a.deltaY / 3 : 0, this.changeDeltaScale(1.0 + 0.05 * a.delta);
            }
          }
        }
      }
      this.last_mouse[0] = c;
      this.last_mouse[1] = d;
      a.preventDefault();
      a.stopPropagation();
      return !1;
    }
  };
  n.prototype.toCanvasContext = function(a) {
    a.scale(this.scale, this.scale);
    a.translate(this.offset[0], this.offset[1]);
  };
  n.prototype.convertOffsetToCanvas = function(a) {
    return [(a[0] + this.offset[0]) * this.scale, (a[1] + this.offset[1]) * this.scale];
  };
  n.prototype.convertCanvasToOffset = function(a, b) {
    b = b || [0, 0];
    b[0] = a[0] / this.scale - this.offset[0];
    b[1] = a[1] / this.scale - this.offset[1];
    return b;
  };
  n.prototype.mouseDrag = function(a, b) {
    this.offset[0] += a / this.scale;
    this.offset[1] += b / this.scale;
    if (this.onredraw) {
      this.onredraw(this);
    }
  };
  n.prototype.changeScale = function(a, b) {
    a < this.min_scale ? a = this.min_scale : a > this.max_scale && (a = this.max_scale);
    if (a != this.scale && this.element) {
      var d = this.element.getBoundingClientRect();
      if (d && (b = b || [0.5 * d.width, 0.5 * d.height], d = this.convertCanvasToOffset(b), this.scale = a, 0.01 > Math.abs(this.scale - 1) && (this.scale = 1), a = this.convertCanvasToOffset(b), a = [a[0] - d[0], a[1] - d[1]], this.offset[0] += a[0], this.offset[1] += a[1], this.onredraw)) {
        this.onredraw(this);
      }
    }
  };
  n.prototype.changeDeltaScale = function(a, b) {
    this.changeScale(this.scale * a, b);
  };
  n.prototype.reset = function() {
    this.scale = 1;
    this.offset[0] = 0;
    this.offset[1] = 0;
  };
  w.LGraphCanvas = c.LGraphCanvas = f;
  f.link_type_colors = {"-1":c.EVENT_LINK_COLOR, number:"#AAA", node:"#DCA"};
  f.gradients = {};
  f.prototype.clear = function() {
    this.fps = this.render_time = this.last_draw_time = this.frame = 0;
    this.dragging_rectangle = null;
    this.selected_nodes = {};
    this.selected_group = null;
    this.visible_nodes = [];
    this.connecting_node = this.node_capturing_input = this.node_over = this.node_dragged = null;
    this.highlighted_links = {};
    this.dirty_bgcanvas = this.dirty_canvas = !0;
    this.node_widget = this.node_in_panel = this.dirty_area = null;
    this.last_mouse = [0, 0];
    this.last_mouseclick = 0;
    this.visible_area.set([0, 0, 0, 0]);
    if (this.onClear) {
      this.onClear();
    }
  };
  f.prototype.setGraph = function(a, b) {
    this.graph != a && (b || this.clear(), !a && this.graph ? this.graph.detachCanvas(this) : (a.attachCanvas(this), this.setDirty(!0, !0)));
  };
  f.prototype.openSubgraph = function(a) {
    if (!a) {
      throw "graph cannot be null";
    }
    if (this.graph == a) {
      throw "graph cannot be the same";
    }
    this.clear();
    this.graph && (this._graph_stack || (this._graph_stack = []), this._graph_stack.push(this.graph));
    a.attachCanvas(this);
    this.setDirty(!0, !0);
  };
  f.prototype.closeSubgraph = function() {
    if (this._graph_stack && 0 != this._graph_stack.length) {
      var a = this.graph._subgraph_node, b = this._graph_stack.pop();
      this.selected_nodes = {};
      this.highlighted_links = {};
      b.attachCanvas(this);
      this.setDirty(!0, !0);
      a && (this.centerOnNode(a), this.selectNodes([a]));
    }
  };
  f.prototype.setCanvas = function(a, b) {
    if (a && a.constructor === String && (a = document.getElementById(a), !a)) {
      throw "Error creating LiteGraph canvas: Canvas not found";
    }
    if (a !== this.canvas && (!a && this.canvas && (b || this.unbindEvents()), this.canvas = a, this.ds.element = a)) {
      a.className += " lgraphcanvas";
      a.data = this;
      a.tabindex = "1";
      this.bgcanvas = null;
      this.bgcanvas || (this.bgcanvas = document.createElement("canvas"), this.bgcanvas.width = this.canvas.width, this.bgcanvas.height = this.canvas.height);
      if (null == a.getContext) {
        if ("canvas" != a.localName) {
          throw "Element supplied for LGraphCanvas must be a <canvas> element, you passed a " + a.localName;
        }
        throw "This browser doesn't support Canvas";
      }
      null == (this.ctx = a.getContext("2d")) && (a.webgl_enabled || console.warn("This canvas seems to be WebGL, enabling WebGL renderer"), this.enableWebGL());
      this._mousemove_callback = this.processMouseMove.bind(this);
      this._mouseup_callback = this.processMouseUp.bind(this);
      b || this.bindEvents();
    }
  };
  f.prototype._doNothing = function(a) {
    a.preventDefault();
    return !1;
  };
  f.prototype._doReturnTrue = function(a) {
    a.preventDefault();
    return !0;
  };
  f.prototype.bindEvents = function() {
    if (this._events_binded) {
      console.warn("LGraphCanvas: events already binded");
    } else {
      var a = this.canvas, b = this.getCanvasWindow().document;
      this._mousedown_callback = this.processMouseDown.bind(this);
      this._mousewheel_callback = this.processMouseWheel.bind(this);
      a.addEventListener("mousedown", this._mousedown_callback, !0);
      a.addEventListener("mousemove", this._mousemove_callback);
      a.addEventListener("mousewheel", this._mousewheel_callback, !1);
      a.addEventListener("contextmenu", this._doNothing);
      a.addEventListener("DOMMouseScroll", this._mousewheel_callback, !1);
      a.addEventListener("touchstart", this.touchHandler, !0);
      a.addEventListener("touchmove", this.touchHandler, !0);
      a.addEventListener("touchend", this.touchHandler, !0);
      a.addEventListener("touchcancel", this.touchHandler, !0);
      this._key_callback = this.processKey.bind(this);
      a.addEventListener("keydown", this._key_callback, !0);
      b.addEventListener("keyup", this._key_callback, !0);
      this._ondrop_callback = this.processDrop.bind(this);
      a.addEventListener("dragover", this._doNothing, !1);
      a.addEventListener("dragend", this._doNothing, !1);
      a.addEventListener("drop", this._ondrop_callback, !1);
      a.addEventListener("dragenter", this._doReturnTrue, !1);
      this._events_binded = !0;
    }
  };
  f.prototype.unbindEvents = function() {
    if (this._events_binded) {
      var a = this.getCanvasWindow().document;
      this.canvas.removeEventListener("mousedown", this._mousedown_callback);
      this.canvas.removeEventListener("mousewheel", this._mousewheel_callback);
      this.canvas.removeEventListener("DOMMouseScroll", this._mousewheel_callback);
      this.canvas.removeEventListener("keydown", this._key_callback);
      a.removeEventListener("keyup", this._key_callback);
      this.canvas.removeEventListener("contextmenu", this._doNothing);
      this.canvas.removeEventListener("drop", this._ondrop_callback);
      this.canvas.removeEventListener("dragenter", this._doReturnTrue);
      this.canvas.removeEventListener("touchstart", this.touchHandler);
      this.canvas.removeEventListener("touchmove", this.touchHandler);
      this.canvas.removeEventListener("touchend", this.touchHandler);
      this.canvas.removeEventListener("touchcancel", this.touchHandler);
      this._ondrop_callback = this._key_callback = this._mousewheel_callback = this._mousedown_callback = null;
      this._events_binded = !1;
    } else {
      console.warn("LGraphCanvas: no events binded");
    }
  };
  f.getFileExtension = function(a) {
    var b = a.indexOf("?");
    -1 != b && (a = a.substr(0, b));
    b = a.lastIndexOf(".");
    return -1 == b ? "" : a.substr(b + 1).toLowerCase();
  };
  f.prototype.enableWebGL = function() {
    this.gl = this.ctx = enableWebGLCanvas(this.canvas);
    this.ctx.webgl = !0;
    this.bgcanvas = this.canvas;
    this.bgctx = this.gl;
    this.canvas.webgl_enabled = !0;
  };
  f.prototype.setDirty = function(a, b) {
    a && (this.dirty_canvas = !0);
    b && (this.dirty_bgcanvas = !0);
  };
  f.prototype.getCanvasWindow = function() {
    if (!this.canvas) {
      return window;
    }
    var a = this.canvas.ownerDocument;
    return a.defaultView || a.parentWindow;
  };
  f.prototype.startRendering = function() {
    function a() {
      this.pause_rendering || this.draw();
      var b = this.getCanvasWindow();
      this.is_rendering && b.requestAnimationFrame(a.bind(this));
    }
    this.is_rendering || (this.is_rendering = !0, a.call(this));
  };
  f.prototype.stopRendering = function() {
    this.is_rendering = !1;
  };
  f.prototype.processMouseDown = function(a) {
    if (this.graph) {
      this.adjustMouseEvent(a);
      var b = this.getCanvasWindow();
      f.active_canvas = this;
      this.canvas.removeEventListener("mousemove", this._mousemove_callback);
      b.document.addEventListener("mousemove", this._mousemove_callback, !0);
      b.document.addEventListener("mouseup", this._mouseup_callback, !0);
      var d = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes, 5), g = !1, m = 300 > c.getTime() - this.last_mouseclick;
      this.canvas_mouse[0] = a.canvasX;
      this.canvas_mouse[1] = a.canvasY;
      this.canvas.focus();
      c.closeAllContextMenus(b);
      if (!this.onMouse || 1 != this.onMouse(a)) {
        if (1 == a.which) {
          a.ctrlKey && (this.dragging_rectangle = new Float32Array(4), this.dragging_rectangle[0] = a.canvasX, this.dragging_rectangle[1] = a.canvasY, this.dragging_rectangle[2] = 1, this.dragging_rectangle[3] = 1, g = !0);
          var e = !1;
          if (d && this.allow_interaction && !g) {
            this.live_mode || d.flags.pinned || this.bringToFront(d);
            if (!this.connecting_node && !d.flags.collapsed && !this.live_mode) {
              if (!g && !1 !== d.resizable && B(a.canvasX, a.canvasY, d.pos[0] + d.size[0] - 5, d.pos[1] + d.size[1] - 5, 10, 10)) {
                this.resizing_node = d, this.canvas.style.cursor = "se-resize", g = !0;
              } else {
                if (d.outputs) {
                  for (var l = 0, k = d.outputs.length; l < k; ++l) {
                    var h = d.outputs[l], t = d.getConnectionPos(!1, l);
                    if (B(a.canvasX, a.canvasY, t[0] - 15, t[1] - 10, 30, 20)) {
                      this.connecting_node = d;
                      this.connecting_output = h;
                      this.connecting_pos = d.getConnectionPos(!1, l);
                      this.connecting_slot = l;
                      a.shiftKey && d.disconnectOutput(l);
                      if (m) {
                        if (d.onOutputDblClick) {
                          d.onOutputDblClick(l, a);
                        }
                      } else {
                        if (d.onOutputClick) {
                          d.onOutputClick(l, a);
                        }
                      }
                      g = !0;
                      break;
                    }
                  }
                }
                if (d.inputs) {
                  for (l = 0, k = d.inputs.length; l < k; ++l) {
                    if (h = d.inputs[l], t = d.getConnectionPos(!0, l), B(a.canvasX, a.canvasY, t[0] - 15, t[1] - 10, 30, 20)) {
                      if (m) {
                        if (d.onInputDblClick) {
                          d.onInputDblClick(l, a);
                        }
                      } else {
                        if (d.onInputClick) {
                          d.onInputClick(l, a);
                        }
                      }
                      if (null !== h.link) {
                        g = this.graph.links[h.link];
                        d.disconnectInput(l);
                        if (this.allow_reconnect_links || a.shiftKey) {
                          this.connecting_node = this.graph._nodes_by_id[g.origin_id], this.connecting_slot = g.origin_slot, this.connecting_output = this.connecting_node.outputs[this.connecting_slot], this.connecting_pos = this.connecting_node.getConnectionPos(!1, this.connecting_slot);
                        }
                        g = this.dirty_bgcanvas = !0;
                      }
                    }
                  }
                }
              }
            }
            if (!g) {
              l = !1;
              if (k = this.processNodeWidgets(d, this.canvas_mouse, a)) {
                l = !0, this.node_widget = [d, k];
              }
              if (m && this.selected_nodes[d.id]) {
                if (d.onDblClick) {
                  d.onDblClick(a, [a.canvasX - d.pos[0], a.canvasY - d.pos[1]], this);
                }
                this.processNodeDblClicked(d);
                l = !0;
              }
              d.onMouseDown && d.onMouseDown(a, [a.canvasX - d.pos[0], a.canvasY - d.pos[1]], this) ? l = !0 : this.live_mode && (l = e = !0);
              l || (this.allow_dragnodes && (this.node_dragged = d), this.selected_nodes[d.id] || this.processNodeSelected(d, a));
              this.dirty_canvas = !0;
            }
          } else {
            for (l = 0; l < this.visible_links.length; ++l) {
              if (d = this.visible_links[l], e = d._pos, !(!e || a.canvasX < e[0] - 4 || a.canvasX > e[0] + 4 || a.canvasY < e[1] - 4 || a.canvasY > e[1] + 4)) {
                this.showLinkMenu(d, a);
                break;
              }
            }
            this.selected_group = this.graph.getGroupOnPos(a.canvasX, a.canvasY);
            this.selected_group_resizing = !1;
            this.selected_group && (a.ctrlKey && (this.dragging_rectangle = null), 10 > y([a.canvasX, a.canvasY], [this.selected_group.pos[0] + this.selected_group.size[0], this.selected_group.pos[1] + this.selected_group.size[1]]) * this.ds.scale ? this.selected_group_resizing = !0 : this.selected_group.recomputeInsideNodes());
            m && this.showSearchBox(a);
            e = !0;
          }
          !g && e && this.allow_dragcanvas && (this.dragging_canvas = !0);
        } else {
          2 != a.which && 3 == a.which && this.processContextMenu(d, a);
        }
        this.last_mouse[0] = a.localX;
        this.last_mouse[1] = a.localY;
        this.last_mouseclick = c.getTime();
        this.last_mouse_dragging = !0;
        this.graph.change();
        (!b.document.activeElement || "input" != b.document.activeElement.nodeName.toLowerCase() && "textarea" != b.document.activeElement.nodeName.toLowerCase()) && a.preventDefault();
        a.stopPropagation();
        if (this.onMouseDown) {
          this.onMouseDown(a);
        }
        return !1;
      }
    }
  };
  f.prototype.processMouseMove = function(a) {
    this.autoresize && this.resize();
    if (this.graph) {
      f.active_canvas = this;
      this.adjustMouseEvent(a);
      var b = [a.localX, a.localY], d = [b[0] - this.last_mouse[0], b[1] - this.last_mouse[1]];
      this.last_mouse = b;
      this.canvas_mouse[0] = a.canvasX;
      this.canvas_mouse[1] = a.canvasY;
      a.dragging = this.last_mouse_dragging;
      this.node_widget && (this.processNodeWidgets(this.node_widget[0], this.canvas_mouse, a, this.node_widget[1]), this.dirty_canvas = !0);
      if (this.dragging_rectangle) {
        this.dragging_rectangle[2] = a.canvasX - this.dragging_rectangle[0], this.dragging_rectangle[3] = a.canvasY - this.dragging_rectangle[1], this.dirty_canvas = !0;
      } else {
        if (this.selected_group) {
          this.selected_group_resizing ? this.selected_group.size = [a.canvasX - this.selected_group.pos[0], a.canvasY - this.selected_group.pos[1]] : (this.selected_group.move(d[0] / this.ds.scale, d[1] / this.ds.scale, a.ctrlKey), this.selected_group._nodes.length && (this.dirty_canvas = !0)), this.dirty_bgcanvas = !0;
        } else {
          if (this.dragging_canvas) {
            this.ds.offset[0] += d[0] / this.ds.scale, this.ds.offset[1] += d[1] / this.ds.scale, this.dirty_bgcanvas = this.dirty_canvas = !0;
          } else {
            if (this.allow_interaction) {
              this.connecting_node && (this.dirty_canvas = !0);
              var g = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes);
              b = 0;
              for (var m = this.graph._nodes.length; b < m; ++b) {
                if (this.graph._nodes[b].mouseOver && g != this.graph._nodes[b]) {
                  this.graph._nodes[b].mouseOver = !1;
                  if (this.node_over && this.node_over.onMouseLeave) {
                    this.node_over.onMouseLeave(a);
                  }
                  this.node_over = null;
                  this.dirty_canvas = !0;
                }
              }
              if (g) {
                if (!g.mouseOver && (g.mouseOver = !0, this.node_over = g, this.dirty_canvas = !0, g.onMouseEnter)) {
                  g.onMouseEnter(a);
                }
                if (g.onMouseMove) {
                  g.onMouseMove(a, [a.canvasX - g.pos[0], a.canvasY - g.pos[1]], this);
                }
                if (this.connecting_node && (m = this._highlight_input || [0, 0], !this.isOverNodeBox(g, a.canvasX, a.canvasY))) {
                  var e = this.isOverNodeInput(g, a.canvasX, a.canvasY, m);
                  -1 != e && g.inputs[e] ? c.isValidConnection(this.connecting_output.type, g.inputs[e].type) && (this._highlight_input = m) : this._highlight_input = null;
                }
                this.canvas && (B(a.canvasX, a.canvasY, g.pos[0] + g.size[0] - 5, g.pos[1] + g.size[1] - 5, 5, 5) ? this.canvas.style.cursor = "se-resize" : this.canvas.style.cursor = "crosshair");
              } else {
                this.canvas && (this.canvas.style.cursor = "");
              }
              if (this.node_capturing_input && this.node_capturing_input != g && this.node_capturing_input.onMouseMove) {
                this.node_capturing_input.onMouseMove(a);
              }
              if (this.node_dragged && !this.live_mode) {
                for (b in this.selected_nodes) {
                  g = this.selected_nodes[b], g.pos[0] += d[0] / this.ds.scale, g.pos[1] += d[1] / this.ds.scale;
                }
                this.dirty_bgcanvas = this.dirty_canvas = !0;
              }
              this.resizing_node && !this.live_mode && (this.resizing_node.size[0] = a.canvasX - this.resizing_node.pos[0], this.resizing_node.size[1] = a.canvasY - this.resizing_node.pos[1], d = Math.max(this.resizing_node.inputs ? this.resizing_node.inputs.length : 0, this.resizing_node.outputs ? this.resizing_node.outputs.length : 0) * c.NODE_SLOT_HEIGHT + (this.resizing_node.widgets ? this.resizing_node.widgets.length : 0) * (c.NODE_WIDGET_HEIGHT + 4) + 4, this.resizing_node.size[1] < d && (this.resizing_node.size[1] = 
              d), this.resizing_node.size[0] < c.NODE_MIN_WIDTH && (this.resizing_node.size[0] = c.NODE_MIN_WIDTH), this.canvas.style.cursor = "se-resize", this.dirty_bgcanvas = this.dirty_canvas = !0);
            }
          }
        }
      }
      a.preventDefault();
      return !1;
    }
  };
  f.prototype.processMouseUp = function(a) {
    if (this.graph) {
      var b = this.getCanvasWindow().document;
      f.active_canvas = this;
      b.removeEventListener("mousemove", this._mousemove_callback, !0);
      this.canvas.addEventListener("mousemove", this._mousemove_callback, !0);
      b.removeEventListener("mouseup", this._mouseup_callback, !0);
      this.adjustMouseEvent(a);
      b = c.getTime();
      a.click_time = b - this.last_mouseclick;
      this.last_mouse_dragging = !1;
      if (1 == a.which) {
        if (this.node_widget = null, this.selected_group && (this.selected_group.move(this.selected_group.pos[0] - Math.round(this.selected_group.pos[0]), this.selected_group.pos[1] - Math.round(this.selected_group.pos[1]), a.ctrlKey), this.selected_group.pos[0] = Math.round(this.selected_group.pos[0]), this.selected_group.pos[1] = Math.round(this.selected_group.pos[1]), this.selected_group._nodes.length && (this.dirty_canvas = !0), this.selected_group = null), this.selected_group_resizing = !1, 
        this.dragging_rectangle) {
          if (this.graph) {
            b = this.graph._nodes;
            var d = new Float32Array(4);
            this.deselectAllNodes();
            var g = Math.abs(this.dragging_rectangle[2]), m = Math.abs(this.dragging_rectangle[3]), e = 0 > this.dragging_rectangle[3] ? this.dragging_rectangle[1] - m : this.dragging_rectangle[1];
            this.dragging_rectangle[0] = 0 > this.dragging_rectangle[2] ? this.dragging_rectangle[0] - g : this.dragging_rectangle[0];
            this.dragging_rectangle[1] = e;
            this.dragging_rectangle[2] = g;
            this.dragging_rectangle[3] = m;
            m = [];
            for (e = 0; e < b.length; ++e) {
              g = b[e], g.getBounding(d), z(this.dragging_rectangle, d) && m.push(g);
            }
            m.length && this.selectNodes(m);
          }
          this.dragging_rectangle = null;
        } else {
          if (this.connecting_node) {
            this.dirty_bgcanvas = this.dirty_canvas = !0;
            if (g = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes)) {
              this.connecting_output.type == c.EVENT && this.isOverNodeBox(g, a.canvasX, a.canvasY) ? this.connecting_node.connect(this.connecting_slot, g, c.EVENT) : (b = this.isOverNodeInput(g, a.canvasX, a.canvasY), -1 != b ? this.connecting_node.connect(this.connecting_slot, g, b) : (b = g.getInputInfo(0), this.connecting_output.type == c.EVENT ? this.connecting_node.connect(this.connecting_slot, g, c.EVENT) : b && !b.link && c.isValidConnection(b.type && this.connecting_output.type) && this.connecting_node.connect(this.connecting_slot, 
              g, 0)));
            }
            this.connecting_node = this.connecting_pos = this.connecting_output = null;
            this.connecting_slot = -1;
          } else {
            if (this.resizing_node) {
              this.dirty_bgcanvas = this.dirty_canvas = !0, this.resizing_node = null;
            } else {
              if (this.node_dragged) {
                (g = this.node_dragged) && 300 > a.click_time && B(a.canvasX, a.canvasY, g.pos[0], g.pos[1] - c.NODE_TITLE_HEIGHT, c.NODE_TITLE_HEIGHT, c.NODE_TITLE_HEIGHT) && g.collapse(), this.dirty_bgcanvas = this.dirty_canvas = !0, this.node_dragged.pos[0] = Math.round(this.node_dragged.pos[0]), this.node_dragged.pos[1] = Math.round(this.node_dragged.pos[1]), this.graph.config.align_to_grid && this.node_dragged.alignToGrid(), this.node_dragged = null;
              } else {
                g = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes);
                !g && 300 > a.click_time && this.deselectAllNodes();
                this.dirty_canvas = !0;
                this.dragging_canvas = !1;
                if (this.node_over && this.node_over.onMouseUp) {
                  this.node_over.onMouseUp(a, [a.canvasX - this.node_over.pos[0], a.canvasY - this.node_over.pos[1]], this);
                }
                if (this.node_capturing_input && this.node_capturing_input.onMouseUp) {
                  this.node_capturing_input.onMouseUp(a, [a.canvasX - this.node_capturing_input.pos[0], a.canvasY - this.node_capturing_input.pos[1]]);
                }
              }
            }
          }
        }
      } else {
        2 == a.which ? (this.dirty_canvas = !0, this.dragging_canvas = !1) : 3 == a.which && (this.dirty_canvas = !0, this.dragging_canvas = !1);
      }
      this.graph.change();
      a.stopPropagation();
      a.preventDefault();
      return !1;
    }
  };
  f.prototype.processMouseWheel = function(a) {
    if (this.graph && this.allow_dragcanvas) {
      var b = null != a.wheelDeltaY ? a.wheelDeltaY : -60 * a.detail;
      this.adjustMouseEvent(a);
      var d = this.ds.scale;
      0 < b ? d *= 1.1 : 0 > b && (d *= 1 / 1.1);
      this.ds.changeScale(d, [a.localX, a.localY]);
      this.graph.change();
      a.preventDefault();
      return !1;
    }
  };
  f.prototype.isOverNodeBox = function(a, b, d) {
    var g = c.NODE_TITLE_HEIGHT;
    return B(b, d, a.pos[0] + 2, a.pos[1] + 2 - g, g - 4, g - 4) ? !0 : !1;
  };
  f.prototype.isOverNodeInput = function(a, b, d, c) {
    if (a.inputs) {
      for (var g = 0, e = a.inputs.length; g < e; ++g) {
        var f = a.getConnectionPos(!0, g);
        if (a.horizontal ? B(b, d, f[0] - 5, f[1] - 10, 10, 20) : B(b, d, f[0] - 10, f[1] - 5, 40, 10)) {
          return c && (c[0] = f[0], c[1] = f[1]), g;
        }
      }
    }
    return -1;
  };
  f.prototype.processKey = function(a) {
    if (this.graph) {
      var b = !1;
      if ("input" != a.target.localName) {
        if ("keydown" == a.type) {
          if (32 == a.keyCode && (b = this.dragging_canvas = !0), 65 == a.keyCode && a.ctrlKey && (this.selectNodes(), b = !0), "KeyC" == a.code && (a.metaKey || a.ctrlKey) && !a.shiftKey && this.selected_nodes && (this.copyToClipboard(), b = !0), "KeyV" != a.code || !a.metaKey && !a.ctrlKey || a.shiftKey || this.pasteFromClipboard(), 46 != a.keyCode && 8 != a.keyCode || "input" == a.target.localName || "textarea" == a.target.localName || (this.deleteSelectedNodes(), b = !0), this.selected_nodes) {
            for (var d in this.selected_nodes) {
              if (this.selected_nodes[d].onKeyDown) {
                this.selected_nodes[d].onKeyDown(a);
              }
            }
          }
        } else {
          if ("keyup" == a.type && (32 == a.keyCode && (this.dragging_canvas = !1), this.selected_nodes)) {
            for (d in this.selected_nodes) {
              if (this.selected_nodes[d].onKeyUp) {
                this.selected_nodes[d].onKeyUp(a);
              }
            }
          }
        }
        this.graph.change();
        if (b) {
          return a.preventDefault(), a.stopImmediatePropagation(), !1;
        }
      }
    }
  };
  f.prototype.copyToClipboard = function() {
    var a = {nodes:[], links:[]}, b = 0, d = [], c;
    for (c in this.selected_nodes) {
      var g = this.selected_nodes[c];
      g._relative_id = b;
      d.push(g);
      b += 1;
    }
    for (c = 0; c < d.length; ++c) {
      if (g = d[c], a.nodes.push(g.clone().serialize()), g.inputs && g.inputs.length) {
        for (b = 0; b < g.inputs.length; ++b) {
          var e = g.inputs[b];
          if (e && null != e.link && (e = this.graph.links[e.link])) {
            var f = this.graph.getNodeById(e.origin_id);
            f && this.selected_nodes[f.id] && a.links.push([f._relative_id, b, g._relative_id, e.target_slot]);
          }
        }
      }
    }
    localStorage.setItem("litegrapheditor_clipboard", JSON.stringify(a));
  };
  f.prototype.pasteFromClipboard = function() {
    var a = localStorage.getItem("litegrapheditor_clipboard");
    if (a) {
      a = JSON.parse(a);
      for (var b = [], d = 0; d < a.nodes.length; ++d) {
        var g = a.nodes[d], m = c.createNode(g.type);
        m && (m.configure(g), m.pos[0] += 5, m.pos[1] += 5, this.graph.add(m), b.push(m));
      }
      for (d = 0; d < a.links.length; ++d) {
        g = a.links[d], b[g[0]].connect(g[1], b[g[2]], g[3]);
      }
      this.selectNodes(b);
    }
  };
  f.prototype.processDrop = function(a) {
    a.preventDefault();
    this.adjustMouseEvent(a);
    var b = [a.canvasX, a.canvasY], d = this.graph.getNodeOnPos(b[0], b[1]);
    if (d) {
      if ((d.onDropFile || d.onDropData) && (b = a.dataTransfer.files) && b.length) {
        for (var c = 0; c < b.length; c++) {
          var g = a.dataTransfer.files[0], e = g.name;
          f.getFileExtension(e);
          if (d.onDropFile) {
            d.onDropFile(g);
          }
          if (d.onDropData) {
            var l = new FileReader;
            l.onload = function(a) {
              d.onDropData(a.target.result, e, g);
            };
            var k = g.type.split("/")[0];
            "text" == k || "" == k ? l.readAsText(g) : "image" == k ? l.readAsDataURL(g) : l.readAsArrayBuffer(g);
          }
        }
      }
      return d.onDropItem && d.onDropItem(event) ? !0 : this.onDropItem ? this.onDropItem(event) : !1;
    }
    b = null;
    this.onDropItem && (b = this.onDropItem(event));
    b || this.checkDropItem(a);
  };
  f.prototype.checkDropItem = function(a) {
    if (a.dataTransfer.files.length) {
      var b = a.dataTransfer.files[0], d = f.getFileExtension(b.name).toLowerCase();
      if (d = c.node_types_by_file_extension[d]) {
        if (d = c.createNode(d.type), d.pos = [a.canvasX, a.canvasY], this.graph.add(d), d.onDropFile) {
          d.onDropFile(b);
        }
      }
    }
  };
  f.prototype.processNodeDblClicked = function(a) {
    if (this.onShowNodePanel) {
      this.onShowNodePanel(a);
    }
    if (this.onNodeDblClicked) {
      this.onNodeDblClicked(a);
    }
    this.setDirty(!0);
  };
  f.prototype.processNodeSelected = function(a, b) {
    this.selectNode(a, b && b.shiftKey);
    if (this.onNodeSelected) {
      this.onNodeSelected(a);
    }
  };
  f.prototype.processNodeDeselected = function(a) {
    this.deselectNode(a);
    if (this.onNodeDeselected) {
      this.onNodeDeselected(a);
    }
  };
  f.prototype.selectNode = function(a, b) {
    null == a ? this.deselectAllNodes() : this.selectNodes([a], b);
  };
  f.prototype.selectNodes = function(a, b) {
    b || this.deselectAllNodes();
    a = a || this.graph._nodes;
    for (b = 0; b < a.length; ++b) {
      var d = a[b];
      if (!d.is_selected) {
        if (!d.is_selected && d.onSelected) {
          d.onSelected();
        }
        d.is_selected = !0;
        this.selected_nodes[d.id] = d;
        if (d.inputs) {
          for (var c = 0; c < d.inputs.length; ++c) {
            this.highlighted_links[d.inputs[c].link] = !0;
          }
        }
        if (d.outputs) {
          for (c = 0; c < d.outputs.length; ++c) {
            var g = d.outputs[c];
            if (g.links) {
              for (var e = 0; e < g.links.length; ++e) {
                this.highlighted_links[g.links[e]] = !0;
              }
            }
          }
        }
      }
    }
    this.setDirty(!0);
  };
  f.prototype.deselectNode = function(a) {
    if (a.is_selected) {
      if (a.onDeselected) {
        a.onDeselected();
      }
      a.is_selected = !1;
      if (a.inputs) {
        for (var b = 0; b < a.inputs.length; ++b) {
          delete this.highlighted_links[a.inputs[b].link];
        }
      }
      if (a.outputs) {
        for (b = 0; b < a.outputs.length; ++b) {
          var d = a.outputs[b];
          if (d.links) {
            for (var c = 0; c < d.links.length; ++c) {
              delete this.highlighted_links[d.links[c]];
            }
          }
        }
      }
    }
  };
  f.prototype.deselectAllNodes = function() {
    if (this.graph) {
      for (var a = this.graph._nodes, b = 0, d = a.length; b < d; ++b) {
        var c = a[b];
        if (c.is_selected) {
          if (c.onDeselected) {
            c.onDeselected();
          }
          c.is_selected = !1;
        }
      }
      this.selected_nodes = {};
      this.highlighted_links = {};
      this.setDirty(!0);
    }
  };
  f.prototype.deleteSelectedNodes = function() {
    for (var a in this.selected_nodes) {
      this.graph.remove(this.selected_nodes[a]);
    }
    this.selected_nodes = {};
    this.highlighted_links = {};
    this.setDirty(!0);
  };
  f.prototype.centerOnNode = function(a) {
    this.ds.offset[0] = -a.pos[0] - 0.5 * a.size[0] + 0.5 * this.canvas.width / this.ds.scale;
    this.ds.offset[1] = -a.pos[1] - 0.5 * a.size[1] + 0.5 * this.canvas.height / this.ds.scale;
    this.setDirty(!0, !0);
  };
  f.prototype.adjustMouseEvent = function(a) {
    if (this.canvas) {
      var b = this.canvas.getBoundingClientRect();
      a.localX = a.clientX - b.left;
      a.localY = a.clientY - b.top;
    } else {
      a.localX = a.clientX, a.localY = a.clientY;
    }
    a.deltaX = a.localX - this.last_mouse_position[0];
    a.deltaY = a.localY - this.last_mouse_position[1];
    this.last_mouse_position[0] = a.localX;
    this.last_mouse_position[1] = a.localY;
    a.canvasX = a.localX / this.ds.scale - this.ds.offset[0];
    a.canvasY = a.localY / this.ds.scale - this.ds.offset[1];
  };
  f.prototype.setZoom = function(a, b) {
    this.ds.changeScale(a, b);
    this.dirty_bgcanvas = this.dirty_canvas = !0;
  };
  f.prototype.convertOffsetToCanvas = function(a, b) {
    return this.ds.convertOffsetToCanvas(a, b);
  };
  f.prototype.convertCanvasToOffset = function(a, b) {
    return this.ds.convertCanvasToOffset(a, b);
  };
  f.prototype.convertEventToCanvasOffset = function(a) {
    var b = this.canvas.getBoundingClientRect();
    return this.convertCanvasToOffset([a.clientX - b.left, a.clientY - b.top]);
  };
  f.prototype.bringToFront = function(a) {
    var b = this.graph._nodes.indexOf(a);
    -1 != b && (this.graph._nodes.splice(b, 1), this.graph._nodes.push(a));
  };
  f.prototype.sendToBack = function(a) {
    var b = this.graph._nodes.indexOf(a);
    -1 != b && (this.graph._nodes.splice(b, 1), this.graph._nodes.unshift(a));
  };
  var D = new Float32Array(4);
  f.prototype.computeVisibleNodes = function(a, b) {
    b = b || [];
    b.length = 0;
    a = a || this.graph._nodes;
    for (var d = 0, c = a.length; d < c; ++d) {
      var g = a[d];
      (!this.live_mode || g.onDrawBackground || g.onDrawForeground) && z(this.visible_area, g.getBounding(D)) && b.push(g);
    }
    return b;
  };
  f.prototype.draw = function(a, b) {
    if (this.canvas) {
      var d = c.getTime();
      this.render_time = 0.001 * (d - this.last_draw_time);
      this.last_draw_time = d;
      this.graph && this.ds.computeVisibleArea();
      (this.dirty_bgcanvas || b || this.always_render_background || this.graph && this.graph._last_trigger_time && 1000 > d - this.graph._last_trigger_time) && this.drawBackCanvas();
      (this.dirty_canvas || a) && this.drawFrontCanvas();
      this.fps = this.render_time ? 1.0 / this.render_time : 0;
      this.frame += 1;
    }
  };
  f.prototype.drawFrontCanvas = function() {
    this.dirty_canvas = !1;
    this.ctx || (this.ctx = this.bgcanvas.getContext("2d"));
    var a = this.ctx;
    if (a) {
      a.start2D && a.start2D();
      var b = this.canvas;
      a.restore();
      a.setTransform(1, 0, 0, 1, 0, 0);
      this.dirty_area && (a.save(), a.beginPath(), a.rect(this.dirty_area[0], this.dirty_area[1], this.dirty_area[2], this.dirty_area[3]), a.clip());
      this.clear_background && a.clearRect(0, 0, b.width, b.height);
      this.bgcanvas == this.canvas ? this.drawBackCanvas() : a.drawImage(this.bgcanvas, 0, 0);
      if (this.onRender) {
        this.onRender(b, a);
      }
      this.show_info && this.renderInfo(a);
      if (this.graph) {
        a.save();
        this.ds.toCanvasContext(a);
        b = this.computeVisibleNodes(null, this.visible_nodes);
        for (var d = 0; d < b.length; ++d) {
          var g = b[d];
          a.save();
          a.translate(g.pos[0], g.pos[1]);
          this.drawNode(g, a);
          a.restore();
        }
        this.render_execution_order && this.drawExecutionOrder(a);
        this.graph.config.links_ontop && (this.live_mode || this.drawConnections(a));
        if (null != this.connecting_pos) {
          a.lineWidth = this.connections_width;
          switch(this.connecting_output.type) {
            case c.EVENT:
              b = c.EVENT_LINK_COLOR;
              break;
            default:
              b = c.CONNECTING_LINK_COLOR;
          }
          this.renderLink(a, this.connecting_pos, [this.canvas_mouse[0], this.canvas_mouse[1]], null, !1, null, b, this.connecting_output.dir || (this.connecting_node.horizontal ? c.DOWN : c.RIGHT), c.CENTER);
          a.beginPath();
          this.connecting_output.type === c.EVENT || this.connecting_output.shape === c.BOX_SHAPE ? a.rect(this.connecting_pos[0] - 6 + 0.5, this.connecting_pos[1] - 5 + 0.5, 14, 10) : a.arc(this.connecting_pos[0], this.connecting_pos[1], 4, 0, 2 * Math.PI);
          a.fill();
          a.fillStyle = "#ffcc00";
          this._highlight_input && (a.beginPath(), a.arc(this._highlight_input[0], this._highlight_input[1], 6, 0, 2 * Math.PI), a.fill());
        }
        this.dragging_rectangle && (a.strokeStyle = "#FFF", a.strokeRect(this.dragging_rectangle[0], this.dragging_rectangle[1], this.dragging_rectangle[2], this.dragging_rectangle[3]));
        if (this.onDrawForeground) {
          this.onDrawForeground(a, this.visible_rect);
        }
        a.restore();
      }
      if (this.onDrawOverlay) {
        this.onDrawOverlay(a);
      }
      this.dirty_area && a.restore();
      a.finish2D && a.finish2D();
    }
  };
  f.prototype.renderInfo = function(a, b, d) {
    b = b || 0;
    d = d || 0;
    a.save();
    a.translate(b, d);
    a.font = "10px Arial";
    a.fillStyle = "#888";
    this.graph ? (a.fillText("T: " + this.graph.globaltime.toFixed(2) + "s", 5, 13), a.fillText("I: " + this.graph.iteration, 5, 26), a.fillText("N: " + this.graph._nodes.length + " [" + this.visible_nodes.length + "]", 5, 39), a.fillText("V: " + this.graph._version, 5, 52), a.fillText("FPS:" + this.fps.toFixed(2), 5, 65)) : a.fillText("No graph selected", 5, 13);
    a.restore();
  };
  f.prototype.drawBackCanvas = function() {
    var a = this.bgcanvas;
    if (a.width != this.canvas.width || a.height != this.canvas.height) {
      a.width = this.canvas.width, a.height = this.canvas.height;
    }
    this.bgctx || (this.bgctx = this.bgcanvas.getContext("2d"));
    var b = this.bgctx;
    b.start && b.start();
    this.clear_background && b.clearRect(0, 0, a.width, a.height);
    if (this._graph_stack && this._graph_stack.length) {
      b.save();
      var d = this.graph._subgraph_node;
      b.strokeStyle = d.bgcolor;
      b.lineWidth = 10;
      b.strokeRect(1, 1, a.width - 2, a.height - 2);
      b.lineWidth = 1;
      b.font = "40px Arial";
      b.textAlign = "center";
      b.fillStyle = d.bgcolor || "#AAA";
      for (var c = "", g = 1; g < this._graph_stack.length; ++g) {
        c += this._graph_stack[g]._subgraph_node.getTitle() + " >> ";
      }
      b.fillText(c + d.getTitle(), 0.5 * a.width, 40);
      b.restore();
    }
    d = !1;
    this.onRenderBackground && (d = this.onRenderBackground(a, b));
    b.restore();
    b.setTransform(1, 0, 0, 1, 0, 0);
    this.visible_links.length = 0;
    if (this.graph) {
      b.save();
      this.ds.toCanvasContext(b);
      if (this.background_image && 0.5 < this.ds.scale && !d) {
        b.globalAlpha = this.zoom_modify_alpha ? (1.0 - 0.5 / this.ds.scale) * this.editor_alpha : this.editor_alpha;
        b.imageSmoothingEnabled = b.mozImageSmoothingEnabled = b.imageSmoothingEnabled = !1;
        if (!this._bg_img || this._bg_img.name != this.background_image) {
          this._bg_img = new Image;
          this._bg_img.name = this.background_image;
          this._bg_img.src = this.background_image;
          var e = this;
          this._bg_img.onload = function() {
            e.draw(!0, !0);
          };
        }
        d = null;
        null == this._pattern && 0 < this._bg_img.width ? (d = b.createPattern(this._bg_img, "repeat"), this._pattern_img = this._bg_img, this._pattern = d) : d = this._pattern;
        d && (b.fillStyle = d, b.fillRect(this.visible_area[0], this.visible_area[1], this.visible_area[2], this.visible_area[3]), b.fillStyle = "transparent");
        b.globalAlpha = 1.0;
        b.imageSmoothingEnabled = b.mozImageSmoothingEnabled = b.imageSmoothingEnabled = !0;
      }
      this.graph._groups.length && !this.live_mode && this.drawGroups(a, b);
      if (this.onDrawBackground) {
        this.onDrawBackground(b, this.visible_area);
      }
      this.onBackgroundRender && (console.error("WARNING! onBackgroundRender deprecated, now is named onDrawBackground "), this.onBackgroundRender = null);
      this.render_canvas_border && (b.strokeStyle = "#235", b.strokeRect(0, 0, a.width, a.height));
      this.render_connections_shadows ? (b.shadowColor = "#000", b.shadowOffsetX = 0, b.shadowOffsetY = 0, b.shadowBlur = 6) : b.shadowColor = "rgba(0,0,0,0)";
      this.live_mode || this.drawConnections(b);
      b.shadowColor = "rgba(0,0,0,0)";
      b.restore();
    }
    b.finish && b.finish();
    this.dirty_bgcanvas = !1;
    this.dirty_canvas = !0;
  };
  var A = new Float32Array(2);
  f.prototype.drawNode = function(a, b) {
    this.current_node = a;
    var d = a.color || a.constructor.color || c.NODE_DEFAULT_COLOR, g = a.bgcolor || a.constructor.bgcolor || c.NODE_DEFAULT_BGCOLOR;
    if (this.live_mode) {
      if (!a.flags.collapsed && (b.shadowColor = "transparent", a.onDrawForeground)) {
        a.onDrawForeground(b, this, this.canvas);
      }
    } else {
      var e = this.editor_alpha;
      b.globalAlpha = e;
      this.render_shadows ? (b.shadowColor = c.DEFAULT_SHADOW_COLOR, b.shadowOffsetX = 2 * this.ds.scale, b.shadowOffsetY = 2 * this.ds.scale, b.shadowBlur = 3 * this.ds.scale) : b.shadowColor = "transparent";
      if (!a.flags.collapsed || !a.onDrawCollapsed || 1 != a.onDrawCollapsed(b, this)) {
        var f = a._shape || c.BOX_SHAPE;
        A.set(a.size);
        var l = a.horizontal;
        if (a.flags.collapsed) {
          b.font = this.inner_text_font;
          var k = a.getTitle ? a.getTitle() : a.title;
          null != k && (a._collapsed_width = Math.min(a.size[0], b.measureText(k).width + 2 * c.NODE_TITLE_HEIGHT), A[0] = a._collapsed_width, A[1] = 0);
        }
        a.clip_area && (b.save(), b.beginPath(), f == c.BOX_SHAPE ? b.rect(0, 0, A[0], A[1]) : f == c.ROUND_SHAPE ? b.roundRect(0, 0, A[0], A[1], 10) : f == c.CIRCLE_SHAPE && b.arc(0.5 * A[0], 0.5 * A[1], 0.5 * A[0], 0, 2 * Math.PI), b.clip());
        a.has_errors && (g = "red");
        this.drawNodeShape(a, b, A, d, g, a.is_selected, a.mouseOver);
        b.shadowColor = "transparent";
        if (a.onDrawForeground) {
          a.onDrawForeground(b, this, this.canvas);
        }
        b.textAlign = l ? "center" : "left";
        b.font = this.inner_text_font;
        g = 0.6 < this.ds.scale;
        f = this.connecting_output;
        b.lineWidth = 1;
        k = 0;
        var h = new Float32Array(2);
        if (!a.flags.collapsed) {
          if (a.inputs) {
            for (d = 0; d < a.inputs.length; d++) {
              var t = a.inputs[d];
              b.globalAlpha = e;
              this.connecting_node && c.isValidConnection(t.type && f.type) && (b.globalAlpha = 0.4 * e);
              b.fillStyle = null != t.link ? t.color_on || this.default_connection_color.input_on : t.color_off || this.default_connection_color.input_off;
              var v = a.getConnectionPos(!0, d, h);
              v[0] -= a.pos[0];
              v[1] -= a.pos[1];
              k < v[1] + 0.5 * c.NODE_SLOT_HEIGHT && (k = v[1] + 0.5 * c.NODE_SLOT_HEIGHT);
              b.beginPath();
              t.type === c.EVENT || t.shape === c.BOX_SHAPE ? l ? b.rect(v[0] - 5 + 0.5, v[1] - 8 + 0.5, 10, 14) : b.rect(v[0] - 6 + 0.5, v[1] - 5 + 0.5, 14, 10) : t.shape === c.ARROW_SHAPE ? (b.moveTo(v[0] + 8, v[1] + 0.5), b.lineTo(v[0] - 4, v[1] + 6 + 0.5), b.lineTo(v[0] - 4, v[1] - 6 + 0.5), b.closePath()) : b.arc(v[0], v[1], 4, 0, 2 * Math.PI);
              b.fill();
              if (g) {
                var n = null != t.label ? t.label : t.name;
                n && (b.fillStyle = c.NODE_TEXT_COLOR, l || t.dir == c.UP ? b.fillText(n, v[0], v[1] - 10) : b.fillText(n, v[0] + 10, v[1] + 5));
              }
            }
          }
          this.connecting_node && (b.globalAlpha = 0.4 * e);
          b.textAlign = l ? "center" : "right";
          b.strokeStyle = "black";
          if (a.outputs) {
            for (d = 0; d < a.outputs.length; d++) {
              if (t = a.outputs[d], v = a.getConnectionPos(!1, d, h), v[0] -= a.pos[0], v[1] -= a.pos[1], k < v[1] + 0.5 * c.NODE_SLOT_HEIGHT && (k = v[1] + 0.5 * c.NODE_SLOT_HEIGHT), b.fillStyle = t.links && t.links.length ? t.color_on || this.default_connection_color.output_on : t.color_off || this.default_connection_color.output_off, b.beginPath(), t.type === c.EVENT || t.shape === c.BOX_SHAPE ? l ? b.rect(v[0] - 5 + 0.5, v[1] - 8 + 0.5, 10, 14) : b.rect(v[0] - 6 + 0.5, v[1] - 5 + 0.5, 14, 10) : 
              t.shape === c.ARROW_SHAPE ? (b.moveTo(v[0] + 8, v[1] + 0.5), b.lineTo(v[0] - 4, v[1] + 6 + 0.5), b.lineTo(v[0] - 4, v[1] - 6 + 0.5), b.closePath()) : b.arc(v[0], v[1], 4, 0, 2 * Math.PI), b.fill(), b.stroke(), g && (n = null != t.label ? t.label : t.name)) {
                b.fillStyle = c.NODE_TEXT_COLOR, l || t.dir == c.DOWN ? b.fillText(n, v[0], v[1] - 8) : b.fillText(n, v[0] - 10, v[1] + 5);
              }
            }
          }
          b.textAlign = "left";
          b.globalAlpha = 1;
          if (a.widgets) {
            if (l || a.widgets_up) {
              k = 2;
            }
            this.drawNodeWidgets(a, k, b, this.node_widget && this.node_widget[0] == a ? this.node_widget[1] : null);
          }
        } else {
          if (this.render_collapsed_slots) {
            e = g = null;
            if (a.inputs) {
              for (d = 0; d < a.inputs.length; d++) {
                if (t = a.inputs[d], null != t.link) {
                  g = t;
                  break;
                }
              }
            }
            if (a.outputs) {
              for (d = 0; d < a.outputs.length; d++) {
                t = a.outputs[d], t.links && t.links.length && (e = t);
              }
            }
            g && (d = 0, g = -0.5 * c.NODE_TITLE_HEIGHT, l && (d = 0.5 * a._collapsed_width, g = -c.NODE_TITLE_HEIGHT), b.fillStyle = "#686", b.beginPath(), t.type === c.EVENT || t.shape === c.BOX_SHAPE ? b.rect(d - 7 + 0.5, g - 4, 14, 8) : t.shape === c.ARROW_SHAPE ? (b.moveTo(d + 8, g), b.lineTo(d + -4, g - 4), b.lineTo(d + -4, g + 4), b.closePath()) : b.arc(d, g, 4, 0, 2 * Math.PI), b.fill());
            e && (d = a._collapsed_width, g = -0.5 * c.NODE_TITLE_HEIGHT, l && (d = 0.5 * a._collapsed_width, g = 0), b.fillStyle = "#686", b.strokeStyle = "black", b.beginPath(), t.type === c.EVENT || t.shape === c.BOX_SHAPE ? b.rect(d - 7 + 0.5, g - 4, 14, 8) : t.shape === c.ARROW_SHAPE ? (b.moveTo(d + 6, g), b.lineTo(d - 6, g - 4), b.lineTo(d - 6, g + 4), b.closePath()) : b.arc(d, g, 4, 0, 2 * Math.PI), b.fill());
          }
        }
        a.clip_area && b.restore();
        b.globalAlpha = 1.0;
      }
    }
  };
  var r = new Float32Array(4);
  f.prototype.drawNodeShape = function(a, b, d, g, e, l, k) {
    b.strokeStyle = g;
    b.fillStyle = e;
    e = c.NODE_TITLE_HEIGHT;
    var m = 0.5 > this.ds.scale, p = a._shape || a.constructor.shape || c.ROUND_SHAPE, t = a.constructor.title_mode, h = !0;
    t == c.TRANSPARENT_TITLE ? h = !1 : t == c.AUTOHIDE_TITLE && k && (h = !0);
    r[0] = 0;
    r[1] = h ? -e : 0;
    r[2] = d[0] + 1;
    r[3] = h ? d[1] + e : d[1];
    k = b.globalAlpha;
    b.beginPath();
    p == c.BOX_SHAPE || m ? b.fillRect(r[0], r[1], r[2], r[3]) : p == c.ROUND_SHAPE || p == c.CARD_SHAPE ? b.roundRect(r[0], r[1], r[2], r[3], this.round_radius, p == c.CARD_SHAPE ? 0 : this.round_radius) : p == c.CIRCLE_SHAPE && b.arc(0.5 * d[0], 0.5 * d[1], 0.5 * d[0], 0, 2 * Math.PI);
    b.fill();
    b.shadowColor = "transparent";
    b.fillStyle = "rgba(0,0,0,0.2)";
    b.fillRect(0, -1, r[2], 2);
    b.shadowColor = "transparent";
    if (a.onDrawBackground) {
      a.onDrawBackground(b, this, this.canvas);
    }
    if (h || t == c.TRANSPARENT_TITLE) {
      if (a.onDrawTitleBar) {
        a.onDrawTitleBar(b, e, d, this.ds.scale, g);
      } else {
        if (t != c.TRANSPARENT_TITLE && (a.constructor.title_color || this.render_title_colored)) {
          h = a.constructor.title_color || g;
          a.flags.collapsed && (b.shadowColor = c.DEFAULT_SHADOW_COLOR);
          if (this.use_gradients) {
            var E = f.gradients[h];
            E || (E = f.gradients[h] = b.createLinearGradient(0, 0, 400, 0), E.addColorStop(0, h), E.addColorStop(1, "#000"));
            b.fillStyle = E;
          } else {
            b.fillStyle = h;
          }
          b.beginPath();
          p == c.BOX_SHAPE || m ? b.rect(0, -e, d[0] + 1, e) : (p == c.ROUND_SHAPE || p == c.CARD_SHAPE) && b.roundRect(0, -e, d[0] + 1, e, this.round_radius, a.flags.collapsed ? this.round_radius : 0);
          b.fill();
          b.shadowColor = "transparent";
        }
      }
      if (a.onDrawTitleBox) {
        a.onDrawTitleBox(b, e, d, this.ds.scale);
      } else {
        p == c.ROUND_SHAPE || p == c.CIRCLE_SHAPE || p == c.CARD_SHAPE ? (m && (b.fillStyle = "black", b.beginPath(), b.arc(0.5 * e, -0.5 * e, 6, 0, 2 * Math.PI), b.fill()), b.fillStyle = a.boxcolor || c.NODE_DEFAULT_BOXCOLOR, b.beginPath(), b.arc(0.5 * e, -0.5 * e, 5, 0, 2 * Math.PI), b.fill()) : (m && (b.fillStyle = "black", b.fillRect(0.5 * (e - 10) - 1, -0.5 * (e + 10) - 1, 12, 12)), b.fillStyle = a.boxcolor || c.NODE_DEFAULT_BOXCOLOR, b.fillRect(0.5 * (e - 10), -0.5 * (e + 10), 10, 10));
      }
      b.globalAlpha = k;
      if (a.onDrawTitleText) {
        a.onDrawTitleText(b, e, d, this.ds.scale, this.title_text_font, l);
      }
      !m && (b.font = this.title_text_font, m = a.getTitle()) && (b.fillStyle = l ? "white" : a.constructor.title_text_color || this.node_title_color, a.flags.collapsed ? (b.textAlign = "center", k = b.measureText(m), b.fillText(m, e + 0.5 * k.width, c.NODE_TITLE_TEXT_Y - e), b.textAlign = "left") : (b.textAlign = "left", b.fillText(m, e, c.NODE_TITLE_TEXT_Y - e)));
      if (a.onDrawTitle) {
        a.onDrawTitle(b);
      }
    }
    if (l) {
      if (a.onBounding) {
        a.onBounding(r);
      }
      t == c.TRANSPARENT_TITLE && (r[1] -= e, r[3] += e);
      b.lineWidth = 1;
      b.globalAlpha = 0.8;
      b.beginPath();
      p == c.BOX_SHAPE ? b.rect(-6 + r[0], -6 + r[1], 12 + r[2], 12 + r[3]) : p == c.ROUND_SHAPE || p == c.CARD_SHAPE && a.flags.collapsed ? b.roundRect(-6 + r[0], -6 + r[1], 12 + r[2], 12 + r[3], 2 * this.round_radius) : p == c.CARD_SHAPE ? b.roundRect(-6 + r[0], -6 + r[1], 12 + r[2], 12 + r[3], 2 * this.round_radius, 2) : p == c.CIRCLE_SHAPE && b.arc(0.5 * d[0], 0.5 * d[1], 0.5 * d[0] + 6, 0, 2 * Math.PI);
      b.strokeStyle = "#FFF";
      b.stroke();
      b.strokeStyle = g;
      b.globalAlpha = 1;
    }
  };
  var t = new Float32Array(4), g = new Float32Array(4), l = new Float32Array(2), x = new Float32Array(2);
  f.prototype.drawConnections = function(a) {
    var b = c.getTime(), d = this.visible_area;
    t[0] = d[0] - 20;
    t[1] = d[1] - 20;
    t[2] = d[2] + 40;
    t[3] = d[3] + 40;
    a.lineWidth = this.connections_width;
    a.fillStyle = "#AAA";
    a.strokeStyle = "#AAA";
    a.globalAlpha = this.editor_alpha;
    d = this.graph._nodes;
    for (var e = 0, m = d.length; e < m; ++e) {
      var f = d[e];
      if (f.inputs && f.inputs.length) {
        for (var k = 0; k < f.inputs.length; ++k) {
          var h = f.inputs[k];
          if (h && null != h.link && (h = this.graph.links[h.link])) {
            var n = this.graph.getNodeById(h.origin_id);
            if (null != n) {
              var r = h.origin_slot;
              var v = -1 == r ? [n.pos[0] + 10, n.pos[1] + 10] : n.getConnectionPos(!1, r, l);
              var q = f.getConnectionPos(!0, k, x);
              g[0] = v[0];
              g[1] = v[1];
              g[2] = q[0] - v[0];
              g[3] = q[1] - v[1];
              0 > g[2] && (g[0] += g[2], g[2] = Math.abs(g[2]));
              0 > g[3] && (g[1] += g[3], g[3] = Math.abs(g[3]));
              if (z(g, t)) {
                var D = n.outputs[r];
                r = f.inputs[k];
                if (D && r && (n = D.dir || (n.horizontal ? c.DOWN : c.RIGHT), r = r.dir || (f.horizontal ? c.UP : c.LEFT), this.renderLink(a, v, q, h, !1, 0, null, n, r), h && h._last_time && 1000 > b - h._last_time)) {
                  D = 2.0 - 0.002 * (b - h._last_time);
                  var B = a.globalAlpha;
                  a.globalAlpha = B * D;
                  this.renderLink(a, v, q, h, !0, D, "white", n, r);
                  a.globalAlpha = B;
                }
              }
            }
          }
        }
      }
    }
    a.globalAlpha = 1;
  };
  f.prototype.renderLink = function(a, b, d, g, e, l, k, t, h, n) {
    g && this.visible_links.push(g);
    !k && g && (k = g.color || f.link_type_colors[g.type]);
    k || (k = this.default_link_color);
    null != g && this.highlighted_links[g.id] && (k = "#FFF");
    t = t || c.RIGHT;
    h = h || c.LEFT;
    var m = y(b, d);
    this.render_connections_border && 0.6 < this.ds.scale && (a.lineWidth = this.connections_width + 4);
    a.lineJoin = "round";
    n = n || 1;
    1 < n && (a.lineWidth = 0.5);
    a.beginPath();
    for (var p = 0; p < n; p += 1) {
      var E = 5 * (p - 0.5 * (n - 1));
      if (this.links_render_mode == c.SPLINE_LINK) {
        a.moveTo(b[0], b[1] + E);
        var r = 0, G = 0, F = 0, M = 0;
        switch(t) {
          case c.LEFT:
            r = -0.25 * m;
            break;
          case c.RIGHT:
            r = 0.25 * m;
            break;
          case c.UP:
            G = -0.25 * m;
            break;
          case c.DOWN:
            G = 0.25 * m;
        }
        switch(h) {
          case c.LEFT:
            F = -0.25 * m;
            break;
          case c.RIGHT:
            F = 0.25 * m;
            break;
          case c.UP:
            M = -0.25 * m;
            break;
          case c.DOWN:
            M = 0.25 * m;
        }
        a.bezierCurveTo(b[0] + r, b[1] + G + E, d[0] + F, d[1] + M + E, d[0], d[1] + E);
      } else {
        if (this.links_render_mode == c.LINEAR_LINK) {
          a.moveTo(b[0], b[1] + E);
          M = F = G = r = 0;
          switch(t) {
            case c.LEFT:
              r = -1;
              break;
            case c.RIGHT:
              r = 1;
              break;
            case c.UP:
              G = -1;
              break;
            case c.DOWN:
              G = 1;
          }
          switch(h) {
            case c.LEFT:
              F = -1;
              break;
            case c.RIGHT:
              F = 1;
              break;
            case c.UP:
              M = -1;
              break;
            case c.DOWN:
              M = 1;
          }
          a.lineTo(b[0] + 15 * r, b[1] + 15 * G + E);
          a.lineTo(d[0] + 15 * F, d[1] + 15 * M + E);
          a.lineTo(d[0], d[1] + E);
        } else {
          if (this.links_render_mode == c.STRAIGHT_LINK) {
            a.moveTo(b[0], b[1]), E = b[0], r = b[1], G = d[0], F = d[1], t == c.RIGHT ? E += 10 : r += 10, h == c.LEFT ? G -= 10 : F -= 10, a.lineTo(E, r), a.lineTo(0.5 * (E + G), r), a.lineTo(0.5 * (E + G), F), a.lineTo(G, F), a.lineTo(d[0], d[1]);
          } else {
            return;
          }
        }
      }
    }
    this.render_connections_border && 0.6 < this.ds.scale && !e && (a.strokeStyle = "rgba(0,0,0,0.5)", a.stroke());
    a.lineWidth = this.connections_width;
    a.fillStyle = a.strokeStyle = k;
    a.stroke();
    e = this.computeConnectionPoint(b, d, 0.5, t, h);
    g && g._pos && (g._pos[0] = e[0], g._pos[1] = e[1]);
    0.6 <= this.ds.scale && this.highquality_render && h != c.CENTER && (this.render_connection_arrows && (p = this.computeConnectionPoint(b, d, 0.25, t, h), m = this.computeConnectionPoint(b, d, 0.26, t, h), g = this.computeConnectionPoint(b, d, 0.75, t, h), n = this.computeConnectionPoint(b, d, 0.76, t, h), this.render_curved_connections ? (m = -Math.atan2(m[0] - p[0], m[1] - p[1]), n = -Math.atan2(n[0] - g[0], n[1] - g[1])) : n = m = d[1] > b[1] ? 0 : Math.PI, a.save(), a.translate(p[0], p[1]), 
    a.rotate(m), a.beginPath(), a.moveTo(-5, -3), a.lineTo(0, 7), a.lineTo(5, -3), a.fill(), a.restore(), a.save(), a.translate(g[0], g[1]), a.rotate(n), a.beginPath(), a.moveTo(-5, -3), a.lineTo(0, 7), a.lineTo(5, -3), a.fill(), a.restore()), a.beginPath(), a.arc(e[0], e[1], 5, 0, 2 * Math.PI), a.fill());
    if (l) {
      for (a.fillStyle = k, p = 0; 5 > p; ++p) {
        l = (0.001 * c.getTime() + 0.2 * p) % 1, e = this.computeConnectionPoint(b, d, l, t, h), a.beginPath(), a.arc(e[0], e[1], 5, 0, 2 * Math.PI), a.fill();
      }
    }
  };
  f.prototype.computeConnectionPoint = function(a, b, d, g, e) {
    g = g || c.RIGHT;
    e = e || c.LEFT;
    var m = y(a, b), f = [a[0], a[1]], l = [b[0], b[1]];
    switch(g) {
      case c.LEFT:
        f[0] += -0.25 * m;
        break;
      case c.RIGHT:
        f[0] += 0.25 * m;
        break;
      case c.UP:
        f[1] += -0.25 * m;
        break;
      case c.DOWN:
        f[1] += 0.25 * m;
    }
    switch(e) {
      case c.LEFT:
        l[0] += -0.25 * m;
        break;
      case c.RIGHT:
        l[0] += 0.25 * m;
        break;
      case c.UP:
        l[1] += -0.25 * m;
        break;
      case c.DOWN:
        l[1] += 0.25 * m;
    }
    g = (1 - d) * (1 - d) * (1 - d);
    e = 3 * (1 - d) * (1 - d) * d;
    m = 3 * (1 - d) * d * d;
    d *= d * d;
    return [g * a[0] + e * f[0] + m * l[0] + d * b[0], g * a[1] + e * f[1] + m * l[1] + d * b[1]];
  };
  f.prototype.drawExecutionOrder = function(a) {
    a.shadowColor = "transparent";
    a.globalAlpha = 0.25;
    a.textAlign = "center";
    a.strokeStyle = "white";
    a.globalAlpha = 0.75;
    for (var b = this.visible_nodes, d = 0; d < b.length; ++d) {
      var g = b[d];
      a.fillStyle = "black";
      a.fillRect(g.pos[0] - c.NODE_TITLE_HEIGHT, g.pos[1] - c.NODE_TITLE_HEIGHT, c.NODE_TITLE_HEIGHT, c.NODE_TITLE_HEIGHT);
      0 == g.order && a.strokeRect(g.pos[0] - c.NODE_TITLE_HEIGHT + 0.5, g.pos[1] - c.NODE_TITLE_HEIGHT + 0.5, c.NODE_TITLE_HEIGHT, c.NODE_TITLE_HEIGHT);
      a.fillStyle = "#FFF";
      a.fillText(g.order, g.pos[0] + -0.5 * c.NODE_TITLE_HEIGHT, g.pos[1] - 6);
    }
    a.globalAlpha = 1;
  };
  f.prototype.drawNodeWidgets = function(a, b, d, g) {
    if (!a.widgets || !a.widgets.length) {
      return 0;
    }
    var e = a.size[0], f = a.widgets;
    b += 2;
    var l = c.NODE_WIDGET_HEIGHT, k = 0.5 < this.ds.scale;
    d.save();
    d.globalAlpha = this.editor_alpha;
    for (var t = 0; t < f.length; ++t) {
      var h = f[t], p = b;
      h.y && (p = h.y);
      h.last_y = p;
      d.strokeStyle = "#666";
      d.fillStyle = "#222";
      d.textAlign = "left";
      switch(h.type) {
        case "button":
          h.clicked && (d.fillStyle = "#AAA", h.clicked = !1, this.dirty_canvas = !0);
          d.fillRect(15, p, e - 30, l);
          d.strokeRect(15, p, e - 30, l);
          k && (d.textAlign = "center", d.fillStyle = "#AAA", d.fillText(h.name, 0.5 * e, p + 0.7 * l));
          break;
        case "toggle":
          d.textAlign = "left";
          d.strokeStyle = "#666";
          d.fillStyle = "#222";
          d.beginPath();
          d.roundRect(15, b, e - 30, l, 0.5 * l);
          d.fill();
          d.stroke();
          d.fillStyle = h.value ? "#89A" : "#333";
          d.beginPath();
          d.arc(e - 30, p + 0.5 * l, 0.36 * l, 0, 2 * Math.PI);
          d.fill();
          k && (d.fillStyle = "#999", null != h.name && d.fillText(h.name, 30, p + 0.7 * l), d.fillStyle = h.value ? "#DDD" : "#888", d.textAlign = "right", d.fillText(h.value ? h.options.on || "true" : h.options.off || "false", e - 40, p + 0.7 * l));
          break;
        case "slider":
          d.fillStyle = "#222";
          d.fillRect(15, p, e - 30, l);
          var n = h.options.max - h.options.min, r = (h.value - h.options.min) / n;
          d.fillStyle = g == h ? "#89A" : "#678";
          d.fillRect(15, p, r * (e - 30), l);
          d.strokeRect(15, p, e - 30, l);
          h.marker && (n = (h.marker - h.options.min) / n, d.fillStyle = "#AA9", d.fillRect(15 + n * (e - 30), p, 2, l));
          k && (d.textAlign = "center", d.fillStyle = "#DDD", d.fillText(h.name + "  " + Number(h.value).toFixed(3), 0.5 * e, p + 0.7 * l));
          break;
        case "number":
        case "combo":
          d.textAlign = "left";
          d.strokeStyle = "#666";
          d.fillStyle = "#222";
          d.beginPath();
          d.roundRect(15, b, e - 30, l, 0.5 * l);
          d.fill();
          d.stroke();
          k && (d.fillStyle = "#AAA", d.beginPath(), d.moveTo(31, b + 5), d.lineTo(21, b + 0.5 * l), d.lineTo(31, b + l - 5), d.moveTo(e - 15 - 16, b + 5), d.lineTo(e - 15 - 6, b + 0.5 * l), d.lineTo(e - 15 - 16, b + l - 5), d.fill(), d.fillStyle = "#999", d.fillText(h.name, 35, p + 0.7 * l), d.fillStyle = "#DDD", d.textAlign = "right", "number" == h.type ? d.fillText(Number(h.value).toFixed(void 0 !== h.options.precision ? h.options.precision : 3), e - 30 - 20, p + 0.7 * l) : d.fillText(h.value, 
          e - 30 - 20, p + 0.7 * l));
          break;
        case "string":
        case "text":
          d.textAlign = "left";
          d.strokeStyle = "#666";
          d.fillStyle = "#222";
          d.beginPath();
          d.roundRect(15, b, e - 30, l, 0.5 * l);
          d.fill();
          d.stroke();
          k && (d.fillStyle = "#999", null != h.name && d.fillText(h.name, 30, p + 0.7 * l), d.fillStyle = "#DDD", d.textAlign = "right", d.fillText(h.value, e - 30, p + 0.7 * l));
          break;
        default:
          h.draw && h.draw(d, a, h, p, l);
      }
      b += l + 4;
    }
    d.restore();
  };
  f.prototype.processNodeWidgets = function(a, b, d, g) {
    function e(c, g) {
      c.value = g;
      c.property && void 0 !== a.properties[c.property] && (a.properties[c.property] = g);
      c.callback && c.callback(c.value, k, a, b, d);
    }
    if (!a.widgets || !a.widgets.length) {
      return null;
    }
    for (var f = b[0] - a.pos[0], l = b[1] - a.pos[1], h = a.size[0], k = this, t = this.getCanvasWindow(), p = 0; p < a.widgets.length; ++p) {
      var n = a.widgets[p];
      if (n == g || 6 < f && f < h - 12 && l > n.last_y && l < n.last_y + c.NODE_WIDGET_HEIGHT) {
        switch(n.type) {
          case "button":
            if ("mousemove" === d.type) {
              break;
            }
            n.callback && setTimeout(function() {
              n.callback(n, k, a, b);
            }, 20);
            this.dirty_canvas = n.clicked = !0;
            break;
          case "slider":
            t = Math.clamp((f - 10) / (h - 20), 0, 1);
            n.value = n.options.min + (n.options.max - n.options.min) * t;
            n.callback && setTimeout(function() {
              e(n, n.value);
            }, 20);
            this.dirty_canvas = !0;
            break;
          case "number":
          case "combo":
            "mousemove" == d.type && "number" == n.type ? (n.value += 0.1 * d.deltaX * (n.options.step || 1), null != n.options.min && n.value < n.options.min && (n.value = n.options.min), null != n.options.max && n.value > n.options.max && (n.value = n.options.max)) : "mousedown" == d.type && ((g = n.options.values) && g.constructor === Function && (g = n.options.values(n, a)), f = 40 > f ? -1 : f > h - 40 ? 1 : 0, "number" == n.type ? (n.value += 0.1 * f * (n.options.step || 1), null != n.options.min && 
            n.value < n.options.min && (n.value = n.options.min), null != n.options.max && n.value > n.options.max && (n.value = n.options.max)) : f ? (t = g.indexOf(n.value) + f, t >= g.length && (t = 0), 0 > t && (t = g.length - 1), n.value = g[t]) : new c.ContextMenu(g, {scale:Math.max(1, this.ds.scale), event:d, className:"dark", callback:function(a, b, d) {
              this.value = a;
              e(this, a);
              k.dirty_canvas = !0;
              return !1;
            }.bind(n)}, t));
            setTimeout(function() {
              e(this, this.value);
            }.bind(n), 20);
            this.dirty_canvas = !0;
            break;
          case "toggle":
            "mousedown" == d.type && (n.value = !n.value, n.callback && setTimeout(function() {
              e(n, n.value);
            }, 20));
            break;
          case "string":
          case "text":
            "mousedown" == d.type && this.prompt("Value", n.value, function(a) {
              this.value = a;
              e(this, a);
            }.bind(n), d);
            break;
          default:
            n.mouse && n.mouse(ctx, d, [f, l], a);
        }
        return n;
      }
    }
    return null;
  };
  f.prototype.drawGroups = function(a, b) {
    if (this.graph) {
      a = this.graph._groups;
      b.save();
      b.globalAlpha = 0.5 * this.editor_alpha;
      for (var d = 0; d < a.length; ++d) {
        var g = a[d];
        if (z(this.visible_area, g._bounding)) {
          b.fillStyle = g.color || "#335";
          b.strokeStyle = g.color || "#335";
          var e = g._pos, f = g._size;
          b.globalAlpha = 0.25 * this.editor_alpha;
          b.beginPath();
          b.rect(e[0] + 0.5, e[1] + 0.5, f[0], f[1]);
          b.fill();
          b.globalAlpha = this.editor_alpha;
          b.stroke();
          b.beginPath();
          b.moveTo(e[0] + f[0], e[1] + f[1]);
          b.lineTo(e[0] + f[0] - 10, e[1] + f[1]);
          b.lineTo(e[0] + f[0], e[1] + f[1] - 10);
          b.fill();
          f = g.font_size || c.DEFAULT_GROUP_FONT_SIZE;
          b.font = f + "px Arial";
          b.fillText(g.title, e[0] + 4, e[1] + f);
        }
      }
      b.restore();
    }
  };
  f.prototype.adjustNodesSize = function() {
    for (var a = this.graph._nodes, b = 0; b < a.length; ++b) {
      a[b].size = a[b].computeSize();
    }
    this.setDirty(!0, !0);
  };
  f.prototype.resize = function(a, b) {
    a || b || (b = this.canvas.parentNode, a = b.offsetWidth, b = b.offsetHeight);
    if (this.canvas.width != a || this.canvas.height != b) {
      this.canvas.width = a, this.canvas.height = b, this.bgcanvas.width = this.canvas.width, this.bgcanvas.height = this.canvas.height, this.setDirty(!0, !0);
    }
  };
  f.prototype.switchLiveMode = function(a) {
    if (a) {
      var b = this, d = this.live_mode ? 1.1 : 0.9;
      this.live_mode && (this.live_mode = !1, this.editor_alpha = 0.1);
      var c = setInterval(function() {
        b.editor_alpha *= d;
        b.dirty_canvas = !0;
        b.dirty_bgcanvas = !0;
        1 > d && 0.01 > b.editor_alpha && (clearInterval(c), 1 > d && (b.live_mode = !0));
        1 < d && 0.99 < b.editor_alpha && (clearInterval(c), b.editor_alpha = 1);
      }, 1);
    } else {
      this.live_mode = !this.live_mode, this.dirty_bgcanvas = this.dirty_canvas = !0;
    }
  };
  f.prototype.onNodeSelectionChange = function(a) {
  };
  f.prototype.touchHandler = function(a) {
    var b = a.changedTouches[0];
    switch(a.type) {
      case "touchstart":
        var d = "mousedown";
        break;
      case "touchmove":
        d = "mousemove";
        break;
      case "touchend":
        d = "mouseup";
        break;
      default:
        return;
    }
    var c = this.getCanvasWindow(), g = c.document.createEvent("MouseEvent");
    g.initMouseEvent(d, !0, !0, c, 1, b.screenX, b.screenY, b.clientX, b.clientY, !1, !1, !1, !1, 0, null);
    b.target.dispatchEvent(g);
    a.preventDefault();
  };
  f.onGroupAdd = function(a, b, d) {
    a = f.active_canvas;
    a.getCanvasWindow();
    b = new c.LGraphGroup;
    b.pos = a.convertEventToCanvasOffset(d);
    a.graph.add(b);
  };
  f.onMenuAdd = function(a, b, d, g) {
    function e(a, b) {
      b = g.getFirstEvent();
      if (a = c.createNode(a.value)) {
        a.pos = l.convertEventToCanvasOffset(b), l.graph.add(a);
      }
    }
    var l = f.active_canvas, h = l.getCanvasWindow();
    a = c.getNodeTypesCategories();
    b = [];
    for (var k in a) {
      a[k] && b.push({value:a[k], content:a[k], has_submenu:!0});
    }
    var t = new c.ContextMenu(b, {event:d, callback:function(a, b, d) {
      a = c.getNodeTypesInCategory(a.value, l.filter);
      b = [];
      for (var g in a) {
        a[g].skip_list || b.push({content:a[g].title, value:a[g].type});
      }
      new c.ContextMenu(b, {event:d, callback:e, parentMenu:t}, h);
      return !1;
    }, parentMenu:g}, h);
    return !1;
  };
  f.onMenuCollapseAll = function() {
  };
  f.onMenuNodeEdit = function() {
  };
  f.showMenuNodeOptionalInputs = function(a, b, d, g, e) {
    if (e) {
      var l = this;
      a = f.active_canvas.getCanvasWindow();
      b = e.optional_inputs;
      e.onGetInputs && (b = e.onGetInputs());
      var m = [];
      if (b) {
        for (var h in b) {
          var k = b[h];
          if (k) {
            var t = k[0];
            k[2] && k[2].label && (t = k[2].label);
            t = {content:t, value:k};
            k[1] == c.ACTION && (t.className = "event");
            m.push(t);
          } else {
            m.push(null);
          }
        }
      }
      this.onMenuNodeInputs && (m = this.onMenuNodeInputs(m));
      if (m.length) {
        return new c.ContextMenu(m, {event:d, callback:function(a, b, d) {
          e && (a.callback && a.callback.call(l, e, a, b, d), a.value && (e.addInput(a.value[0], a.value[1], a.value[2]), e.setDirtyCanvas(!0, !0)));
        }, parentMenu:g, node:e}, a), !1;
      }
    }
  };
  f.showMenuNodeOptionalOutputs = function(a, b, d, g, e) {
    function l(a, b, d) {
      if (e && (a.callback && a.callback.call(m, e, a, b, d), a.value)) {
        if (d = a.value[1], !d || d.constructor !== Object && d.constructor !== Array) {
          e.addOutput(a.value[0], a.value[1], a.value[2]), e.setDirtyCanvas(!0, !0);
        } else {
          a = [];
          for (var f in d) {
            a.push({content:f, value:d[f]});
          }
          new c.ContextMenu(a, {event:b, callback:l, parentMenu:g, node:e});
          return !1;
        }
      }
    }
    if (e) {
      var m = this;
      a = f.active_canvas.getCanvasWindow();
      b = e.optional_outputs;
      e.onGetOutputs && (b = e.onGetOutputs());
      var h = [];
      if (b) {
        for (var k in b) {
          var t = b[k];
          if (!t) {
            h.push(null);
          } else {
            if (!e.flags || !e.flags.skip_repeated_outputs || -1 == e.findOutputSlot(t[0])) {
              var p = t[0];
              t[2] && t[2].label && (p = t[2].label);
              p = {content:p, value:t};
              t[1] == c.EVENT && (p.className = "event");
              h.push(p);
            }
          }
        }
      }
      this.onMenuNodeOutputs && (h = this.onMenuNodeOutputs(h));
      if (h.length) {
        return new c.ContextMenu(h, {event:d, callback:l, parentMenu:g, node:e}, a), !1;
      }
    }
  };
  f.onShowMenuNodeProperties = function(a, b, d, g, e) {
    if (e && e.properties) {
      var l = f.active_canvas;
      b = l.getCanvasWindow();
      var m = [], h;
      for (h in e.properties) {
        a = void 0 !== e.properties[h] ? e.properties[h] : " ", a = f.decodeHTML(a), m.push({content:"<span class='property_name'>" + h + "</span><span class='property_value'>" + a + "</span>", value:h});
      }
      if (m.length) {
        return new c.ContextMenu(m, {event:d, callback:function(a, b, d, c) {
          e && (b = this.getBoundingClientRect(), l.showEditPropertyValue(e, a.value, {position:[b.left, b.top]}));
        }, parentMenu:g, allow_html:!0, node:e}, b), !1;
      }
    }
  };
  f.decodeHTML = function(a) {
    var b = document.createElement("div");
    b.innerText = a;
    return b.innerHTML;
  };
  f.onResizeNode = function(a, b, d, c, g) {
    g && (g.size = g.computeSize(), g.setDirtyCanvas(!0, !0));
  };
  f.prototype.showLinkMenu = function(a, b) {
    var d = this;
    new c.ContextMenu(["Delete"], {event:b, callback:function(b) {
      switch(b) {
        case "Delete":
          d.graph.removeLink(a.id);
      }
    }});
    return !1;
  };
  f.onShowPropertyEditor = function(a, b, d, c, g) {
    function e() {
      var b = h.value;
      "Number" == a.type ? b = Number(b) : "Boolean" == a.type && (b = !!b);
      g[l] = b;
      m.parentNode && m.parentNode.removeChild(m);
      g.setDirtyCanvas(!0, !0);
    }
    var l = a.property || "title";
    b = g[l];
    var m = document.createElement("div");
    m.className = "graphdialog";
    m.innerHTML = "<span class='name'></span><input autofocus type='text' class='value'/><button>OK</button>";
    m.querySelector(".name").innerText = l;
    var h = m.querySelector("input");
    h && (h.value = b, h.addEventListener("blur", function(a) {
      this.focus();
    }), h.addEventListener("keydown", function(a) {
      13 == a.keyCode && (e(), a.preventDefault(), a.stopPropagation());
    }));
    b = f.active_canvas.canvas;
    d = b.getBoundingClientRect();
    var k = c = -20;
    d && (c -= d.left, k -= d.top);
    event ? (m.style.left = event.clientX + c + "px", m.style.top = event.clientY + k + "px") : (m.style.left = 0.5 * b.width + c + "px", m.style.top = 0.5 * b.height + k + "px");
    m.querySelector("button").addEventListener("click", e);
    b.parentNode.appendChild(m);
  };
  f.prototype.prompt = function(a, b, d, c) {
    var g = this;
    a = a || "";
    var e = !1, l = document.createElement("div");
    l.className = "graphdialog rounded";
    l.innerHTML = "<span class='name'></span> <input autofocus type='text' class='value'/><button class='rounded'>OK</button>";
    l.close = function() {
      g.prompt_box = null;
      l.parentNode && l.parentNode.removeChild(l);
    };
    1 < this.ds.scale && (l.style.transform = "scale(" + this.ds.scale + ")");
    l.addEventListener("mouseleave", function(a) {
      e || l.close();
    });
    g.prompt_box && g.prompt_box.close();
    g.prompt_box = l;
    l.querySelector(".name").innerText = a;
    l.querySelector(".value").value = b;
    var h = l.querySelector("input");
    h.addEventListener("keydown", function(a) {
      e = !0;
      if (27 == a.keyCode) {
        l.close();
      } else {
        if (13 == a.keyCode) {
          d && d(this.value), l.close();
        } else {
          return;
        }
      }
      a.preventDefault();
      a.stopPropagation();
    });
    l.querySelector("button").addEventListener("click", function(a) {
      d && d(h.value);
      g.setDirty(!0);
      l.close();
    });
    a = f.active_canvas.canvas;
    b = a.getBoundingClientRect();
    var k = -20, t = -20;
    b && (k -= b.left, t -= b.top);
    c ? (l.style.left = c.clientX + k + "px", l.style.top = c.clientY + t + "px") : (l.style.left = 0.5 * a.width + k + "px", l.style.top = 0.5 * a.height + t + "px");
    a.parentNode.appendChild(l);
    setTimeout(function() {
      h.focus();
    }, 10);
    return l;
  };
  f.search_limit = -1;
  f.prototype.showSearchBox = function(a) {
    function b(b) {
      if (b) {
        if (e.onSearchBoxSelection) {
          e.onSearchBoxSelection(b, a, q);
        } else {
          var d = c.searchbox_extras[b];
          d && (b = d.type);
          if (b = c.createNode(b)) {
            b.pos = q.convertEventToCanvasOffset(a), q.graph.add(b);
          }
          if (d && d.data) {
            if (d.data.properties) {
              for (var g in d.data.properties) {
                b.addProperty(d.data.properties[g][0], d.data.properties[g][0]);
              }
            }
            if (d.data.inputs) {
              for (g in b.inputs = [], d.data.inputs) {
                b.addOutput(d.data.inputs[g][0], d.data.inputs[g][1]);
              }
            }
            if (d.data.outputs) {
              for (g in b.outputs = [], d.data.outputs) {
                b.addOutput(d.data.outputs[g][0], d.data.outputs[g][1]);
              }
            }
            d.data.title && (b.title = d.data.title);
            d.data.json && b.configure(d.data.json);
          }
        }
      }
      l.close();
    }
    function d(a) {
      var b = r;
      r && r.classList.remove("selected");
      r ? (r = a ? r.nextSibling : r.previousSibling) || (r = b) : r = a ? k.childNodes[0] : k.childNodes[k.childNodes.length];
      r && (r.classList.add("selected"), r.scrollIntoView());
    }
    function g() {
      function a(a, d) {
        var g = document.createElement("div");
        t || (t = a);
        g.innerText = a;
        g.dataset.type = escape(a);
        g.className = "litegraph lite-search-item";
        d && (g.className += " " + d);
        g.addEventListener("click", function(a) {
          b(unescape(this.dataset.type));
        });
        k.appendChild(g);
      }
      n = null;
      var d = x.value;
      t = null;
      k.innerHTML = "";
      if (d) {
        if (e.onSearchBox) {
          var g = e.onSearchBox(help, d, q);
          if (g) {
            for (var F = 0; F < g.length; ++F) {
              a(g[F]);
            }
          }
        } else {
          g = 0;
          d = d.toLowerCase();
          for (F in c.searchbox_extras) {
            var l = c.searchbox_extras[F];
            if (-1 !== l.desc.toLowerCase().indexOf(d) && (a(l.desc, "searchbox_extra"), -1 !== f.search_limit && g++ > f.search_limit)) {
              break;
            }
          }
          if (Array.prototype.filter) {
            for (l = Object.keys(c.registered_node_types).filter(function(a) {
              return -1 !== a.toLowerCase().indexOf(d);
            }), F = 0; F < l.length && !(a(l[F]), -1 !== f.search_limit && g++ > f.search_limit); F++) {
            }
          } else {
            for (F in c.registered_node_types) {
              if (-1 != F.indexOf(d) && (a(F), -1 !== f.search_limit && g++ > f.search_limit)) {
                break;
              }
            }
          }
        }
      }
    }
    var e = this, l = document.createElement("div");
    l.className = "litegraph litesearchbox graphdialog rounded";
    l.innerHTML = "<span class='name'>Search</span> <input autofocus type='text' class='value rounded'/><div class='helper'></div>";
    l.close = function() {
      e.search_box = null;
      document.body.focus();
      setTimeout(function() {
        e.canvas.focus();
      }, 20);
      l.parentNode && l.parentNode.removeChild(l);
    };
    var h = null;
    1 < this.ds.scale && (l.style.transform = "scale(" + this.ds.scale + ")");
    l.addEventListener("mouseenter", function(a) {
      h && (clearTimeout(h), h = null);
    });
    l.addEventListener("mouseleave", function(a) {
      h = setTimeout(function() {
        l.close();
      }, 500);
    });
    e.search_box && e.search_box.close();
    e.search_box = l;
    var k = l.querySelector(".helper"), t = null, n = null, r = null, x = l.querySelector("input");
    x && (x.addEventListener("blur", function(a) {
      this.focus();
    }), x.addEventListener("keydown", function(a) {
      if (38 == a.keyCode) {
        d(!1);
      } else {
        if (40 == a.keyCode) {
          d(!0);
        } else {
          if (27 == a.keyCode) {
            l.close();
          } else {
            if (13 == a.keyCode) {
              r ? b(r.innerHTML) : t ? b(t) : l.close();
            } else {
              n && clearInterval(n);
              n = setTimeout(g, 10);
              return;
            }
          }
        }
      }
      a.preventDefault();
      a.stopPropagation();
    }));
    var q = f.active_canvas, D = q.canvas, u = D.getBoundingClientRect(), F = -20, M = -20;
    u && (F -= u.left, M -= u.top);
    a ? (l.style.left = a.clientX + F + "px", l.style.top = a.clientY + M + "px") : (l.style.left = 0.5 * D.width + F + "px", l.style.top = 0.5 * D.height + M + "px");
    D.parentNode.appendChild(l);
    x.focus();
    return l;
  };
  f.prototype.showEditPropertyValue = function(a, b, d) {
    function g() {
      c(n.value);
    }
    function c(d) {
      "number" == typeof a.properties[b] && (d = Number(d));
      "array" == e && (d = d.split(",").map(Number));
      a.properties[b] = d;
      a._graph && a._graph._version++;
      if (a.onPropertyChanged) {
        a.onPropertyChanged(b, d);
      }
      t.close();
      a.setDirtyCanvas(!0, !0);
    }
    if (a && void 0 !== a.properties[b]) {
      d = d || {};
      var e = "string";
      null !== a.properties[b] && (e = typeof a.properties[b]);
      "object" == e && a.properties[b].length && (e = "array");
      var l = null;
      a.getPropertyInfo && (l = a.getPropertyInfo(b));
      if (a.properties_info) {
        for (var f = 0; f < a.properties_info.length; ++f) {
          if (a.properties_info[f].name == b) {
            l = a.properties_info[f];
            break;
          }
        }
      }
      void 0 !== l && null !== l && l.type && (e = l.type);
      var h = "";
      if ("string" == e || "number" == e || "array" == e) {
        h = "<input autofocus type='text' class='value'/>";
      } else {
        if ("enum" == e && l.values) {
          h = "<select autofocus type='text' class='value'>";
          for (f in l.values) {
            var k = l.values.constructor === Array ? l.values[f] : f;
            h += "<option value='" + k + "' " + (k == a.properties[b] ? "selected" : "") + ">" + l.values[f] + "</option>";
          }
          h += "</select>";
        } else {
          if ("boolean" == e) {
            h = "<input autofocus type='checkbox' class='value' " + (a.properties[b] ? "checked" : "") + "/>";
          } else {
            console.warn("unknown type: " + e);
            return;
          }
        }
      }
      var t = this.createDialog("<span class='name'>" + b + "</span>" + h + "<button>OK</button>", d);
      if ("enum" == e && l.values) {
        var n = t.querySelector("select");
        n.addEventListener("change", function(a) {
          c(a.target.value);
        });
      } else {
        if ("boolean" == e) {
          (n = t.querySelector("input")) && n.addEventListener("click", function(a) {
            c(!!n.checked);
          });
        } else {
          if (n = t.querySelector("input")) {
            n.addEventListener("blur", function(a) {
              this.focus();
            }), n.value = void 0 !== a.properties[b] ? a.properties[b] : "", n.addEventListener("keydown", function(a) {
              13 == a.keyCode && (g(), a.preventDefault(), a.stopPropagation());
            });
          }
        }
      }
      t.querySelector("button").addEventListener("click", g);
    }
  };
  f.prototype.createDialog = function(a, b) {
    b = b || {};
    var d = document.createElement("div");
    d.className = "graphdialog";
    d.innerHTML = a;
    a = this.canvas.getBoundingClientRect();
    var g = -20, c = -20;
    a && (g -= a.left, c -= a.top);
    b.position ? (g += b.position[0], c += b.position[1]) : b.event ? (g += b.event.clientX, c += b.event.clientY) : (g += 0.5 * this.canvas.width, c += 0.5 * this.canvas.height);
    d.style.left = g + "px";
    d.style.top = c + "px";
    this.canvas.parentNode.appendChild(d);
    d.close = function() {
      this.parentNode && this.parentNode.removeChild(this);
    };
    return d;
  };
  f.onMenuNodeCollapse = function(a, b, d, g, c) {
    c.collapse();
  };
  f.onMenuNodePin = function(a, b, d, g, c) {
    c.pin();
  };
  f.onMenuNodeMode = function(a, b, d, g, e) {
    new c.ContextMenu(["Always", "On Event", "On Trigger", "Never"], {event:d, callback:function(a) {
      if (e) {
        switch(a) {
          case "On Event":
            e.mode = c.ON_EVENT;
            break;
          case "On Trigger":
            e.mode = c.ON_TRIGGER;
            break;
          case "Never":
            e.mode = c.NEVER;
            break;
          default:
            e.mode = c.ALWAYS;
        }
      }
    }, parentMenu:g, node:e});
    return !1;
  };
  f.onMenuNodeColors = function(a, b, d, g, e) {
    if (!e) {
      throw "no node for color";
    }
    b = [];
    b.push({value:null, content:"<span style='display: block; padding-left: 4px;'>No color</span>"});
    for (var l in f.node_colors) {
      a = f.node_colors[l], a = {value:l, content:"<span style='display: block; color: #999; padding-left: 4px; border-left: 8px solid " + a.color + "; background-color:" + a.bgcolor + "'>" + l + "</span>"}, b.push(a);
    }
    new c.ContextMenu(b, {event:d, callback:function(a) {
      e && ((a = a.value ? f.node_colors[a.value] : null) ? e.constructor === c.LGraphGroup ? e.color = a.groupcolor : (e.color = a.color, e.bgcolor = a.bgcolor) : (delete e.color, delete e.bgcolor), e.setDirtyCanvas(!0, !0));
    }, parentMenu:g, node:e});
    return !1;
  };
  f.onMenuNodeShapes = function(a, b, d, g, e) {
    if (!e) {
      throw "no node passed";
    }
    new c.ContextMenu(c.VALID_SHAPES, {event:d, callback:function(a) {
      e && (e.shape = a, e.setDirtyCanvas(!0));
    }, parentMenu:g, node:e});
    return !1;
  };
  f.onMenuNodeRemove = function(a, b, d, g, c) {
    if (!c) {
      throw "no node passed";
    }
    !1 !== c.removable && (c.graph.remove(c), c.setDirtyCanvas(!0, !0));
  };
  f.onMenuNodeClone = function(a, b, d, g, c) {
    0 != c.clonable && (a = c.clone()) && (a.pos = [c.pos[0] + 5, c.pos[1] + 5], c.graph.add(a), c.setDirtyCanvas(!0, !0));
  };
  f.node_colors = {red:{color:"#322", bgcolor:"#533", groupcolor:"#A88"}, brown:{color:"#332922", bgcolor:"#593930", groupcolor:"#b06634"}, green:{color:"#232", bgcolor:"#353", groupcolor:"#8A8"}, blue:{color:"#223", bgcolor:"#335", groupcolor:"#88A"}, pale_blue:{color:"#2a363b", bgcolor:"#3f5159", groupcolor:"#3f789e"}, cyan:{color:"#233", bgcolor:"#355", groupcolor:"#8AA"}, purple:{color:"#323", bgcolor:"#535", groupcolor:"#a1309b"}, yellow:{color:"#432", bgcolor:"#653", groupcolor:"#b58b2a"}, 
  black:{color:"#222", bgcolor:"#000", groupcolor:"#444"}};
  f.prototype.getCanvasMenuOptions = function() {
    if (this.getMenuOptions) {
      var a = this.getMenuOptions();
    } else {
      a = [{content:"Add Node", has_submenu:!0, callback:f.onMenuAdd}, {content:"Add Group", callback:f.onGroupAdd}], this._graph_stack && 0 < this._graph_stack.length && a.push(null, {content:"Close subgraph", callback:this.closeSubgraph.bind(this)});
    }
    if (this.getExtraMenuOptions) {
      var b = this.getExtraMenuOptions(this, a);
      b && (a = a.concat(b));
    }
    return a;
  };
  f.prototype.getNodeMenuOptions = function(a) {
    var b = a.getMenuOptions ? a.getMenuOptions(this) : [{content:"Inputs", has_submenu:!0, disabled:!0, callback:f.showMenuNodeOptionalInputs}, {content:"Outputs", has_submenu:!0, disabled:!0, callback:f.showMenuNodeOptionalOutputs}, null, {content:"Properties", has_submenu:!0, callback:f.onShowMenuNodeProperties}, null, {content:"Title", callback:f.onShowPropertyEditor}, {content:"Mode", has_submenu:!0, callback:f.onMenuNodeMode}, {content:"Resize", callback:f.onResizeNode}, {content:"Collapse", 
    callback:f.onMenuNodeCollapse}, {content:"Pin", callback:f.onMenuNodePin}, {content:"Colors", has_submenu:!0, callback:f.onMenuNodeColors}, {content:"Shapes", has_submenu:!0, callback:f.onMenuNodeShapes}, null];
    if (a.onGetInputs) {
      var d = a.onGetInputs();
      d && d.length && (b[0].disabled = !1);
    }
    a.onGetOutputs && (d = a.onGetOutputs()) && d.length && (b[1].disabled = !1);
    a.getExtraMenuOptions && (d = a.getExtraMenuOptions(this)) && (d.push(null), b = d.concat(b));
    !1 !== a.clonable && b.push({content:"Clone", callback:f.onMenuNodeClone});
    !1 !== a.removable && b.push(null, {content:"Remove", callback:f.onMenuNodeRemove});
    if (a.graph && a.graph.onGetNodeMenuOptions) {
      a.graph.onGetNodeMenuOptions(b, a);
    }
    return b;
  };
  f.prototype.getGroupMenuOptions = function(a) {
    return [{content:"Title", callback:f.onShowPropertyEditor}, {content:"Color", has_submenu:!0, callback:f.onMenuNodeColors}, {content:"Font size", property:"font_size", type:"Number", callback:f.onShowPropertyEditor}, null, {content:"Remove", callback:f.onMenuNodeRemove}];
  };
  f.prototype.processContextMenu = function(a, b) {
    var d = this, g = f.active_canvas.getCanvasWindow(), e = null, l = {event:b, callback:function(b, g, c) {
      if (b) {
        if ("Remove Slot" == b.content) {
          b = b.slot, b.input ? a.removeInput(b.slot) : b.output && a.removeOutput(b.slot);
        } else {
          if ("Disconnect Links" == b.content) {
            b = b.slot, b.output ? a.disconnectOutput(b.slot) : b.input && a.disconnectInput(b.slot);
          } else {
            if ("Rename Slot" == b.content) {
              b = b.slot;
              var e = b.input ? a.getInputInfo(b.slot) : a.getOutputInfo(b.slot), l = d.createDialog("<span class='name'>Name</span><input autofocus type='text'/><button>OK</button>", g), f = l.querySelector("input");
              f && e && (f.value = e.label || "");
              l.querySelector("button").addEventListener("click", function(a) {
                f.value && (e && (e.label = f.value), d.setDirty(!0));
                l.close();
              });
            }
          }
        }
      }
    }, extra:a}, h = null;
    a && (h = a.getSlotInPosition(b.canvasX, b.canvasY), f.active_node = a);
    h ? (e = [], h && h.output && h.output.links && h.output.links.length && e.push({content:"Disconnect Links", slot:h}), e.push(h.locked ? "Cannot remove" : {content:"Remove Slot", slot:h}), e.push(h.nameLocked ? "Cannot rename" : {content:"Rename Slot", slot:h}), l.title = (h.input ? h.input.type : h.output.type) || "*", h.input && h.input.type == c.ACTION && (l.title = "Action"), h.output && h.output.type == c.EVENT && (l.title = "Event")) : a ? e = this.getNodeMenuOptions(a) : (e = this.getCanvasMenuOptions(), 
    (b = this.graph.getGroupOnPos(b.canvasX, b.canvasY)) && e.push(null, {content:"Edit Group", has_submenu:!0, submenu:{title:"Group", extra:b, options:this.getGroupMenuOptions(b)}}));
    e && new c.ContextMenu(e, l, g);
  };
  this.CanvasRenderingContext2D && (CanvasRenderingContext2D.prototype.roundRect = function(a, b, d, g, c, e) {
    void 0 === c && (c = 5);
    void 0 === e && (e = c);
    this.moveTo(a + c, b);
    this.lineTo(a + d - c, b);
    this.quadraticCurveTo(a + d, b, a + d, b + c);
    this.lineTo(a + d, b + g - e);
    this.quadraticCurveTo(a + d, b + g, a + d - e, b + g);
    this.lineTo(a + e, b + g);
    this.quadraticCurveTo(a, b + g, a, b + g - e);
    this.lineTo(a, b + c);
    this.quadraticCurveTo(a, b, a + c, b);
  });
  c.compareObjects = function(a, b) {
    for (var d in a) {
      if (a[d] != b[d]) {
        return !1;
      }
    }
    return !0;
  };
  c.distance = y;
  c.colorToString = function(a) {
    return "rgba(" + Math.round(255 * a[0]).toFixed() + "," + Math.round(255 * a[1]).toFixed() + "," + Math.round(255 * a[2]).toFixed() + "," + (4 == a.length ? a[3].toFixed(2) : "1.0") + ")";
  };
  c.isInsideRectangle = B;
  c.growBounding = function(a, b, d) {
    b < a[0] ? a[0] = b : b > a[2] && (a[2] = b);
    d < a[1] ? a[1] = d : d > a[3] && (a[3] = d);
  };
  c.isInsideBounding = function(a, b) {
    return a[0] < b[0][0] || a[1] < b[0][1] || a[0] > b[1][0] || a[1] > b[1][1] ? !1 : !0;
  };
  c.overlapBounding = z;
  c.hex2num = function(a) {
    "#" == a.charAt(0) && (a = a.slice(1));
    a = a.toUpperCase();
    for (var b = Array(3), d = 0, g, c, e = 0; 6 > e; e += 2) {
      g = "0123456789ABCDEF".indexOf(a.charAt(e)), c = "0123456789ABCDEF".indexOf(a.charAt(e + 1)), b[d] = 16 * g + c, d++;
    }
    return b;
  };
  c.num2hex = function(a) {
    for (var b = "#", d, g, c = 0; 3 > c; c++) {
      d = a[c] / 16, g = a[c] % 16, b += "0123456789ABCDEF".charAt(d) + "0123456789ABCDEF".charAt(g);
    }
    return b;
  };
  C.prototype.addItem = function(a, b, d) {
    function g(a) {
      var b = this.value;
      b && b.has_submenu && c.call(this, a);
    }
    function c(a) {
      var b = this.value, g = !0;
      e.current_submenu && e.current_submenu.close(a);
      if (d.callback) {
        var c = d.callback.call(this, b, d, a, e, d.node);
        !0 === c && (g = !1);
      }
      if (b && (b.callback && !d.ignore_item_callbacks && !0 !== b.disabled && (c = b.callback.call(this, b, d, a, e, d.extra), !0 === c && (g = !1)), b.submenu)) {
        if (!b.submenu.options) {
          throw "ContextMenu submenu needs options";
        }
        new e.constructor(b.submenu.options, {callback:b.submenu.callback, event:a, parentMenu:e, ignore_item_callbacks:b.submenu.ignore_item_callbacks, title:b.submenu.title, extra:b.submenu.extra, autoopen:d.autoopen});
        g = !1;
      }
      g && !e.lock && e.close();
    }
    var e = this;
    d = d || {};
    var l = document.createElement("div");
    l.className = "litemenu-entry submenu";
    var f = !1;
    if (null === b) {
      l.classList.add("separator");
    } else {
      l.innerHTML = b && b.title ? b.title : a;
      if (l.value = b) {
        b.disabled && (f = !0, l.classList.add("disabled")), (b.submenu || b.has_submenu) && l.classList.add("has_submenu");
      }
      "function" == typeof b ? (l.dataset.value = a, l.onclick_callback = b) : l.dataset.value = b;
      b.className && (l.className += " " + b.className);
    }
    this.root.appendChild(l);
    f || l.addEventListener("click", c);
    d.autoopen && l.addEventListener("mouseenter", g);
    return l;
  };
  C.prototype.close = function(a, b) {
    this.root.parentNode && this.root.parentNode.removeChild(this.root);
    this.parentMenu && !b && (this.parentMenu.lock = !1, this.parentMenu.current_submenu = null, void 0 === a ? this.parentMenu.close() : a && !C.isCursorOverElement(a, this.parentMenu.root) && C.trigger(this.parentMenu.root, "mouseleave", a));
    this.current_submenu && this.current_submenu.close(a, !0);
    this.root.closing_timer && clearTimeout(this.root.closing_timer);
  };
  C.trigger = function(a, b, d, g) {
    var c = document.createEvent("CustomEvent");
    c.initCustomEvent(b, !0, !0, d);
    c.srcElement = g;
    a.dispatchEvent ? a.dispatchEvent(c) : a.__events && a.__events.dispatchEvent(c);
    return c;
  };
  C.prototype.getTopMenu = function() {
    return this.options.parentMenu ? this.options.parentMenu.getTopMenu() : this;
  };
  C.prototype.getFirstEvent = function() {
    return this.options.parentMenu ? this.options.parentMenu.getFirstEvent() : this.options.event;
  };
  C.isCursorOverElement = function(a, b) {
    var d = a.clientX;
    a = a.clientY;
    return (b = b.getBoundingClientRect()) ? a > b.top && a < b.top + b.height && d > b.left && d < b.left + b.width ? !0 : !1 : !1;
  };
  c.ContextMenu = C;
  c.closeAllContextMenus = function(a) {
    a = a || window;
    a = a.document.querySelectorAll(".litecontextmenu");
    if (a.length) {
      for (var b = [], d = 0; d < a.length; d++) {
        b.push(a[d]);
      }
      for (d in b) {
        b[d].close ? b[d].close() : b[d].parentNode && b[d].parentNode.removeChild(b[d]);
      }
    }
  };
  c.extendClass = function(a, b) {
    for (var d in b) {
      a.hasOwnProperty(d) || (a[d] = b[d]);
    }
    if (b.prototype) {
      for (d in b.prototype) {
        b.prototype.hasOwnProperty(d) && !a.prototype.hasOwnProperty(d) && (b.prototype.__lookupGetter__(d) ? a.prototype.__defineGetter__(d, b.prototype.__lookupGetter__(d)) : a.prototype[d] = b.prototype[d], b.prototype.__lookupSetter__(d) && a.prototype.__defineSetter__(d, b.prototype.__lookupSetter__(d)));
      }
    }
  };
  c.getParameterNames = function(a) {
    return (a + "").replace(/[/][/].*$/mg, "").replace(/\s+/g, "").replace(/[/][*][^/*]*[*][/]/g, "").split("){", 1)[0].replace(/^[^(]*[(]/, "").replace(/=[^,]+/g, "").split(",").filter(Boolean);
  };
  Math.clamp = function(a, b, d) {
    return b > a ? b : d < a ? d : a;
  };
  "undefined" == typeof window || window.requestAnimationFrame || (window.requestAnimationFrame = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(a) {
    window.setTimeout(a, 1000 / 60);
  });
})(this);
"undefined" != typeof exports && (exports.LiteGraph = this.LiteGraph);
(function(w) {
  function e() {
    this.addOutput("in ms", "number");
    this.addOutput("in sec", "number");
  }
  function q() {
    this.size = [140, 80];
    this.properties = {enabled:!0};
    this.enabled = !0;
    this.subgraph = new LGraph;
    this.subgraph._subgraph_node = this;
    this.subgraph._is_subgraph = !0;
    this.subgraph.onTrigger = this.onSubgraphTrigger.bind(this);
    this.subgraph.onInputAdded = this.onSubgraphNewInput.bind(this);
    this.subgraph.onInputRenamed = this.onSubgraphRenamedInput.bind(this);
    this.subgraph.onInputTypeChanged = this.onSubgraphTypeChangeInput.bind(this);
    this.subgraph.onInputRemoved = this.onSubgraphRemovedInput.bind(this);
    this.subgraph.onOutputAdded = this.onSubgraphNewOutput.bind(this);
    this.subgraph.onOutputRenamed = this.onSubgraphRenamedOutput.bind(this);
    this.subgraph.onOutputTypeChanged = this.onSubgraphTypeChangeOutput.bind(this);
    this.subgraph.onOutputRemoved = this.onSubgraphRemovedOutput.bind(this);
  }
  function k() {
    this.addOutput("", "");
    this.name_in_graph = "";
    this.properties = {};
    var c = this;
    Object.defineProperty(this.properties, "name", {get:function() {
      return c.name_in_graph;
    }, set:function(g) {
      "" != g && g != c.name_in_graph && "enabled" != g && (c.name_in_graph ? c.graph.renameInput(c.name_in_graph, g) : c.graph.addInput(g, c.properties.type), c.name_widget.value = g, c.name_in_graph = g);
    }, enumerable:!0});
    Object.defineProperty(this.properties, "type", {get:function() {
      return c.outputs[0].type;
    }, set:function(g) {
      "event" == g && (g = r.EVENT);
      c.outputs[0].type = g;
      c.name_in_graph && c.graph.changeInputType(c.name_in_graph, c.outputs[0].type);
      c.type_widget.value = g;
    }, enumerable:!0});
    this.name_widget = this.addWidget("text", "Name", this.properties.name, function(g) {
      g && (c.properties.name = g);
    });
    this.type_widget = this.addWidget("text", "Type", this.properties.type, function(g) {
      c.properties.type = g || "";
    });
    this.widgets_up = !0;
    this.size = [180, 60];
  }
  function h() {
    this.addInput("", "");
    this.name_in_graph = "";
    this.properties = {};
    var c = this;
    Object.defineProperty(this.properties, "name", {get:function() {
      return c.name_in_graph;
    }, set:function(g) {
      "" != g && g != c.name_in_graph && (c.name_in_graph ? c.graph.renameOutput(c.name_in_graph, g) : c.graph.addOutput(g, c.properties.type), c.name_widget.value = g, c.name_in_graph = g);
    }, enumerable:!0});
    Object.defineProperty(this.properties, "type", {get:function() {
      return c.inputs[0].type;
    }, set:function(g) {
      if ("action" == g || "event" == g) {
        g = r.ACTION;
      }
      c.inputs[0].type = g;
      c.name_in_graph && c.graph.changeOutputType(c.name_in_graph, c.inputs[0].type);
      c.type_widget.value = g || "";
    }, enumerable:!0});
    this.name_widget = this.addWidget("text", "Name", this.properties.name, function(g) {
      g && (c.properties.name = g);
    });
    this.type_widget = this.addWidget("text", "Type", this.properties.type, function(g) {
      c.properties.type = g || "";
    });
    this.widgets_up = !0;
    this.size = [180, 60];
  }
  function n() {
    this.addOutput("value", "number");
    this.addProperty("value", 1.0);
  }
  function f() {
    this.addOutput("", "string");
    this.addProperty("value", "");
    this.widget = this.addWidget("text", "value", "", this.setValue.bind(this));
    this.widgets_up = !0;
    this.size = [100, 30];
  }
  function y() {
    this.addOutput("", "");
    this.addProperty("value", "");
    this.widget = this.addWidget("text", "json", "", this.setValue.bind(this));
    this.widgets_up = !0;
    this.size = [140, 30];
    this._value = null;
  }
  function B() {
    this.addInput("obj", "");
    this.addOutput("", "");
    this.addProperty("value", "");
    this.widget = this.addWidget("text", "prop.", "", this.setValue.bind(this));
    this.widgets_up = !0;
    this.size = [140, 30];
    this._value = null;
  }
  function z() {
    this.size = [60, 20];
    this.addInput("value", 0, {label:""});
    this.value = 0;
  }
  function C() {
    this.addInput("in", 0);
    this.addOutput("out", 0);
    this.size = [40, 20];
  }
  function c() {
    this.mode = r.ON_EVENT;
    this.size = [80, 30];
    this.addProperty("msg", "");
    this.addInput("log", r.EVENT);
    this.addInput("msg", 0);
  }
  function D() {
    this.mode = r.ON_EVENT;
    this.addProperty("msg", "");
    this.addInput("", r.EVENT);
    var c = this;
    this.widget = this.addWidget("text", "Text", "", function(g) {
      c.properties.msg = g;
    });
    this.widgets_up = !0;
    this.size = [200, 30];
  }
  function A() {
    this.size = [60, 20];
    this.addProperty("onExecute", "return A;");
    this.addInput("A", "");
    this.addInput("B", "");
    this.addOutput("out", "");
    this._func = null;
    this.data = {};
  }
  var r = w.LiteGraph;
  e.title = "Time";
  e.desc = "Time";
  e.prototype.onExecute = function() {
    this.setOutputData(0, 1000 * this.graph.globaltime);
    this.setOutputData(1, this.graph.globaltime);
  };
  r.registerNodeType("basic/time", e);
  q.title = "Subgraph";
  q.desc = "Graph inside a node";
  q.title_color = "#334";
  q.prototype.onGetInputs = function() {
    return [["enabled", "boolean"]];
  };
  q.prototype.onDrawTitle = function(c) {
    if (!this.flags.collapsed) {
      c.fillStyle = "#555";
      var g = r.NODE_TITLE_HEIGHT, e = this.size[0] - g;
      c.fillRect(e, -g, g, g);
      c.fillStyle = "#333";
      c.beginPath();
      c.moveTo(e + 0.2 * g, 0.6 * -g);
      c.lineTo(e + 0.8 * g, 0.6 * -g);
      c.lineTo(e + 0.5 * g, 0.3 * -g);
      c.fill();
    }
  };
  q.prototype.onDblClick = function(c, g, e) {
    var l = this;
    setTimeout(function() {
      e.openSubgraph(l.subgraph);
    }, 10);
  };
  q.prototype.onMouseDown = function(c, g, e) {
    if (!this.flags.collapsed && g[0] > this.size[0] - r.NODE_TITLE_HEIGHT && 0 > g[1]) {
      var l = this;
      setTimeout(function() {
        e.openSubgraph(l.subgraph);
      }, 10);
    }
  };
  q.prototype.onAction = function(c, g) {
    this.subgraph.onAction(c, g);
  };
  q.prototype.onExecute = function() {
    if (this.enabled = this.getInputOrProperty("enabled")) {
      if (this.inputs) {
        for (var c = 0; c < this.inputs.length; c++) {
          var g = this.inputs[c], e = this.getInputData(c);
          this.subgraph.setInputData(g.name, e);
        }
      }
      this.subgraph.runStep();
      if (this.outputs) {
        for (c = 0; c < this.outputs.length; c++) {
          e = this.subgraph.getOutputData(this.outputs[c].name), this.setOutputData(c, e);
        }
      }
    }
  };
  q.prototype.sendEventToAllNodes = function(c, g, e) {
    this.enabled && this.subgraph.sendEventToAllNodes(c, g, e);
  };
  q.prototype.onSubgraphTrigger = function(c, g) {
    c = this.findOutputSlot(c);
    -1 != c && this.triggerSlot(c);
  };
  q.prototype.onSubgraphNewInput = function(c, g) {
    -1 == this.findInputSlot(c) && this.addInput(c, g);
  };
  q.prototype.onSubgraphRenamedInput = function(c, g) {
    c = this.findInputSlot(c);
    -1 != c && (this.getInputInfo(c).name = g);
  };
  q.prototype.onSubgraphTypeChangeInput = function(c, g) {
    c = this.findInputSlot(c);
    -1 != c && (this.getInputInfo(c).type = g);
  };
  q.prototype.onSubgraphRemovedInput = function(c) {
    c = this.findInputSlot(c);
    -1 != c && this.removeInput(c);
  };
  q.prototype.onSubgraphNewOutput = function(c, g) {
    -1 == this.findOutputSlot(c) && this.addOutput(c, g);
  };
  q.prototype.onSubgraphRenamedOutput = function(c, g) {
    c = this.findOutputSlot(c);
    -1 != c && (this.getOutputInfo(c).name = g);
  };
  q.prototype.onSubgraphTypeChangeOutput = function(c, g) {
    c = this.findOutputSlot(c);
    -1 != c && (this.getOutputInfo(c).type = g);
  };
  q.prototype.onSubgraphRemovedOutput = function(c) {
    c = this.findInputSlot(c);
    -1 != c && this.removeOutput(c);
  };
  q.prototype.getExtraMenuOptions = function(c) {
    var g = this;
    return [{content:"Open", callback:function() {
      c.openSubgraph(g.subgraph);
    }}];
  };
  q.prototype.onResize = function(c) {
    c[1] += 20;
  };
  q.prototype.serialize = function() {
    var c = LGraphNode.prototype.serialize.call(this);
    c.subgraph = this.subgraph.serialize();
    return c;
  };
  q.prototype.clone = function() {
    var c = r.createNode(this.type), g = this.serialize();
    delete g.id;
    delete g.inputs;
    delete g.outputs;
    c.configure(g);
    return c;
  };
  r.Subgraph = q;
  r.registerNodeType("graph/subgraph", q);
  k.title = "Input";
  k.desc = "Input of the graph";
  k.prototype.getTitle = function() {
    return this.flags.collapsed ? this.properties.name : this.title;
  };
  k.prototype.onAction = function(c, g) {
    this.properties.type == r.EVENT && this.triggerSlot(0, g);
  };
  k.prototype.onExecute = function() {
    var c = this.graph.inputs[this.properties.name];
    c && this.setOutputData(0, c.value);
  };
  k.prototype.onRemoved = function() {
    this.name_in_graph && this.graph.removeInput(this.name_in_graph);
  };
  r.GraphInput = k;
  r.registerNodeType("graph/input", k);
  h.title = "Output";
  h.desc = "Output of the graph";
  h.prototype.onExecute = function() {
    this._value = this.getInputData(0);
    this.graph.setOutputData(this.properties.name, this._value);
  };
  h.prototype.onAction = function(c, g) {
    this.properties.type == r.ACTION && this.graph.trigger(this.properties.name, g);
  };
  h.prototype.onRemoved = function() {
    this.name_in_graph && this.graph.removeOutput(this.name_in_graph);
  };
  h.prototype.getTitle = function() {
    return this.flags.collapsed ? this.properties.name : this.title;
  };
  r.GraphOutput = h;
  r.registerNodeType("graph/output", h);
  n.title = "Const Number";
  n.desc = "Constant number";
  n.prototype.onExecute = function() {
    this.setOutputData(0, parseFloat(this.properties.value));
  };
  n.prototype.getTitle = function() {
    return this.flags.collapsed ? this.properties.value : this.title;
  };
  n.prototype.setValue = function(c) {
    this.properties.value = c;
  };
  n.prototype.onDrawBackground = function(c) {
    this.outputs[0].label = this.properties.value.toFixed(3);
  };
  r.registerNodeType("basic/const", n);
  f.title = "Const String";
  f.desc = "Constant string";
  f.prototype.setValue = function(c) {
    this.properties.value = c;
  };
  f.prototype.onPropertyChanged = function(c, g) {
    this.widget.value = g;
  };
  f.prototype.getTitle = n.prototype.getTitle;
  f.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
  };
  r.registerNodeType("basic/string", f);
  y.title = "Const Data";
  y.desc = "Constant Data";
  y.prototype.setValue = function(c) {
    this.properties.value = c;
    this.onPropertyChanged("value", c);
  };
  y.prototype.onPropertyChanged = function(c, g) {
    this.widget.value = g;
    if (null != g && "" != g) {
      try {
        this._value = JSON.parse(g), this.boxcolor = "#AEA";
      } catch (l) {
        this.boxcolor = "red";
      }
    }
  };
  y.prototype.onExecute = function() {
    this.setOutputData(0, this._value);
  };
  r.registerNodeType("basic/data", y);
  B.title = "Object property";
  B.desc = "Outputs the property of an object";
  B.prototype.setValue = function(c) {
    this.properties.value = c;
    this.widget.value = c;
  };
  B.prototype.getTitle = function() {
    return this.flags.collapsed ? "in." + this.properties.value : this.title;
  };
  B.prototype.onPropertyChanged = function(c, g) {
    this.widget.value = g;
  };
  B.prototype.onExecute = function() {
    var c = this.getInputData(0);
    null != c && this.setOutputData(0, c[this.properties.value]);
  };
  r.registerNodeType("basic/object_property", B);
  z.title = "Watch";
  z.desc = "Show value of input";
  z.prototype.onExecute = function() {
    this.inputs[0] && (this.value = this.getInputData(0));
  };
  z.prototype.getTitle = function() {
    return this.flags.collapsed ? this.inputs[0].label : this.title;
  };
  z.toString = function(c) {
    if (null == c) {
      return "null";
    }
    if (c.constructor === Number) {
      return c.toFixed(3);
    }
    if (c.constructor === Array) {
      for (var g = "[", e = 0; e < c.length; ++e) {
        g += z.toString(c[e]) + (e + 1 != c.length ? "," : "");
      }
      return g + "]";
    }
    return String(c);
  };
  z.prototype.onDrawBackground = function(c) {
    this.inputs[0].label = z.toString(this.value);
  };
  r.registerNodeType("basic/watch", z);
  C.title = "Cast";
  C.desc = "Allows to connect different types";
  C.prototype.onExecute = function() {
    this.setOutputData(0, this.getInputData(0));
  };
  r.registerNodeType("basic/cast", C);
  c.title = "Console";
  c.desc = "Show value inside the console";
  c.prototype.onAction = function(c, g) {
    "log" == c ? console.log(g) : "warn" == c ? console.warn(g) : "error" == c && console.error(g);
  };
  c.prototype.onExecute = function() {
    var c = this.getInputData(1);
    null !== c && (this.properties.msg = c);
    console.log(c);
  };
  c.prototype.onGetInputs = function() {
    return [["log", r.ACTION], ["warn", r.ACTION], ["error", r.ACTION]];
  };
  r.registerNodeType("basic/console", c);
  D.title = "Alert";
  D.desc = "Show an alert window";
  D.color = "#510";
  D.prototype.onConfigure = function(c) {
    this.widget.value = c.properties.msg;
  };
  D.prototype.onAction = function(c, g) {
    var e = this.properties.msg;
    setTimeout(function() {
      alert(e);
    }, 10);
  };
  r.registerNodeType("basic/alert", D);
  A.prototype.onConfigure = function(c) {
    c.properties.onExecute && this.compileCode(c.properties.onExecute);
  };
  A.title = "Script";
  A.desc = "executes a code (max 100 characters)";
  A.widgets_info = {onExecute:{type:"code"}};
  A.prototype.onPropertyChanged = function(c, g) {
    "onExecute" == c && r.allow_scripts && this.compileCode(g);
  };
  A.prototype.compileCode = function(c) {
    this._func = null;
    if (100 < c.length) {
      console.warn("Script too long, max 100 chars");
    } else {
      for (var g = c.toLowerCase(), e = "script body document eval nodescript function".split(" "), f = 0; f < e.length; ++f) {
        if (-1 != g.indexOf(e[f])) {
          console.warn("invalid script");
          return;
        }
      }
      try {
        this._func = new Function("A", "B", "C", "DATA", "node", c);
      } catch (a) {
        console.error("Error parsing script"), console.error(a);
      }
    }
  };
  A.prototype.onExecute = function() {
    if (this._func) {
      try {
        var c = this.getInputData(0), g = this.getInputData(1), e = this.getInputData(2);
        this.setOutputData(0, this._func(c, g, e, this.data, this));
      } catch (x) {
        console.error("Error in script"), console.error(x);
      }
    }
  };
  A.prototype.onGetOutputs = function() {
    return [["C", ""]];
  };
  r.registerNodeType("basic/script", A);
})(this);
(function(w) {
  function e() {
    this.size = [60, 20];
    this.addInput("event", y.ACTION);
  }
  function q() {
    this.addInput("", y.ACTION);
    this.addInput("", y.ACTION);
    this.addInput("", y.ACTION);
    this.addInput("", y.ACTION);
    this.addInput("", y.ACTION);
    this.addInput("", y.ACTION);
    this.addOutput("", y.EVENT);
    this.addOutput("", y.EVENT);
    this.addOutput("", y.EVENT);
    this.addOutput("", y.EVENT);
    this.addOutput("", y.EVENT);
    this.addOutput("", y.EVENT);
    this.size = [120, 30];
    this.flags = {horizontal:!0, render_box:!1};
  }
  function k() {
    this.size = [60, 20];
    this.addInput("event", y.ACTION);
    this.addOutput("event", y.EVENT);
    this.properties = {equal_to:"", has_property:"", property_equal_to:""};
  }
  function h() {
    this.addInput("inc", y.ACTION);
    this.addInput("dec", y.ACTION);
    this.addInput("reset", y.ACTION);
    this.addOutput("change", y.EVENT);
    this.addOutput("num", "number");
    this.num = 0;
  }
  function n() {
    this.size = [60, 20];
    this.addProperty("time_in_ms", 1000);
    this.addInput("event", y.ACTION);
    this.addOutput("on_time", y.EVENT);
    this._pending = [];
  }
  function f() {
    this.addProperty("interval", 1000);
    this.addProperty("event", "tick");
    this.addOutput("on_tick", y.EVENT);
    this.time = 0;
    this.last_interval = 1000;
    this.triggered = !1;
  }
  var y = w.LiteGraph;
  e.title = "Log Event";
  e.desc = "Log event in console";
  e.prototype.onAction = function(e, f) {
    console.log(e, f);
  };
  y.registerNodeType("events/log", e);
  q.title = "Sequencer";
  q.desc = "Trigger events when an event arrives";
  q.prototype.getTitle = function() {
    return "";
  };
  q.prototype.onAction = function(e, f) {
    if (this.outputs) {
      for (e = 0; e < this.outputs.length; ++e) {
        this.triggerSlot(e, f);
      }
    }
  };
  y.registerNodeType("events/sequencer", q);
  k.title = "Filter Event";
  k.desc = "Blocks events that do not match the filter";
  k.prototype.onAction = function(e, f) {
    if (null != f && (!this.properties.equal_to || this.properties.equal_to == f)) {
      if (this.properties.has_property && (e = f[this.properties.has_property], null == e || this.properties.property_equal_to && this.properties.property_equal_to != e)) {
        return;
      }
      this.triggerSlot(0, f);
    }
  };
  y.registerNodeType("events/filter", k);
  h.title = "Counter";
  h.desc = "Counts events";
  h.prototype.getTitle = function() {
    return this.flags.collapsed ? String(this.num) : this.title;
  };
  h.prototype.onAction = function(e, f) {
    f = this.num;
    "inc" == e ? this.num += 1 : "dec" == e ? --this.num : "reset" == e && (this.num = 0);
    this.num != f && this.trigger("change", this.num);
  };
  h.prototype.onDrawBackground = function(e) {
    this.flags.collapsed || (e.fillStyle = "#AAA", e.font = "20px Arial", e.textAlign = "center", e.fillText(this.num, 0.5 * this.size[0], 0.5 * this.size[1]));
  };
  h.prototype.onExecute = function() {
    this.setOutputData(1, this.num);
  };
  y.registerNodeType("events/counter", h);
  n.title = "Delay";
  n.desc = "Delays one event";
  n.prototype.onAction = function(e, f) {
    e = this.properties.time_in_ms;
    0 >= e ? this.trigger(null, f) : this._pending.push([e, f]);
  };
  n.prototype.onExecute = function() {
    var e = 1000 * this.graph.elapsed_time;
    this.isInputConnected(1) && (this.properties.time_in_ms = this.getInputData(1));
    for (var f = 0; f < this._pending.length; ++f) {
      var h = this._pending[f];
      h[0] -= e;
      0 < h[0] || (this._pending.splice(f, 1), --f, this.trigger(null, h[1]));
    }
  };
  n.prototype.onGetInputs = function() {
    return [["event", y.ACTION], ["time_in_ms", "number"]];
  };
  y.registerNodeType("events/delay", n);
  f.title = "Timer";
  f.desc = "Sends an event every N milliseconds";
  f.prototype.onStart = function() {
    this.time = 0;
  };
  f.prototype.getTitle = function() {
    return "Timer: " + this.last_interval.toString() + "ms";
  };
  f.on_color = "#AAA";
  f.off_color = "#222";
  f.prototype.onDrawBackground = function() {
    this.boxcolor = this.triggered ? f.on_color : f.off_color;
    this.triggered = !1;
  };
  f.prototype.onExecute = function() {
    var e = 0 == this.time;
    this.time += 1000 * this.graph.elapsed_time;
    this.last_interval = Math.max(1, this.getInputOrProperty("interval") | 0);
    !e && (this.time < this.last_interval || isNaN(this.last_interval)) ? this.inputs && 1 < this.inputs.length && this.inputs[1] && this.setOutputData(1, !1) : (this.triggered = !0, this.time %= this.last_interval, this.trigger("on_tick", this.properties.event), this.inputs && 1 < this.inputs.length && this.inputs[1] && this.setOutputData(1, !0));
  };
  f.prototype.onGetInputs = function() {
    return [["interval", "number"]];
  };
  f.prototype.onGetOutputs = function() {
    return [["tick", "boolean"]];
  };
  y.registerNodeType("events/timer", f);
})(this);
(function(w) {
  function e() {
    this.addOutput("", C.EVENT);
    this.addOutput("", "boolean");
    this.addProperty("text", "click me");
    this.addProperty("font_size", 30);
    this.addProperty("message", "");
    this.size = [164, 84];
    this.clicked = !1;
  }
  function q() {
    this.addInput("", "boolean");
    this.addInput("e", C.ACTION);
    this.addOutput("v", "boolean");
    this.addOutput("e", C.EVENT);
    this.properties = {font:"", value:!1};
    this.size = [160, 44];
  }
  function k() {
    this.addOutput("", "number");
    this.size = [80, 60];
    this.properties = {min:-1000, max:1000, value:1, step:1};
    this.old_y = -1;
    this._precision = this._remainder = 0;
    this.mouse_captured = !1;
  }
  function h() {
    this.addOutput("", "number");
    this.size = [64, 84];
    this.properties = {min:0, max:1, value:0.5, color:"#7AF", precision:2};
    this.value = -1;
  }
  function n() {
    this.addOutput("", "number");
    this.properties = {value:0.5, min:0, max:1, text:"V"};
    var c = this;
    this.size = [140, 40];
    this.slider = this.addWidget("slider", "V", this.properties.value, function(e) {
      c.properties.value = e;
    }, this.properties);
    this.widgets_up = !0;
  }
  function f() {
    this.size = [160, 26];
    this.addOutput("", "number");
    this.properties = {color:"#7AF", min:0, max:1, value:0.5};
    this.value = -1;
  }
  function y() {
    this.size = [160, 26];
    this.addInput("", "number");
    this.properties = {min:0, max:1, value:0, color:"#AAF"};
  }
  function B() {
    this.addInputs("", 0);
    this.properties = {value:"...", font:"Arial", fontsize:18, color:"#AAA", align:"left", glowSize:0, decimals:1};
  }
  function z() {
    this.size = [200, 100];
    this.properties = {borderColor:"#ffffff", bgcolorTop:"#f0f0f0", bgcolorBottom:"#e0e0e0", shadowSize:2, borderRadius:3};
  }
  var C = w.LiteGraph;
  e.title = "Button";
  e.desc = "Triggers an event";
  e.font = "Arial";
  e.prototype.onDrawForeground = function(c) {
    if (!this.flags.collapsed && (c.fillStyle = "black", c.fillRect(11, 11, this.size[0] - 20, this.size[1] - 20), c.fillStyle = "#AAF", c.fillRect(9, 9, this.size[0] - 20, this.size[1] - 20), c.fillStyle = this.clicked ? "white" : this.mouseOver ? "#668" : "#334", c.fillRect(10, 10, this.size[0] - 20, this.size[1] - 20), this.properties.text || 0 === this.properties.text)) {
      var f = this.properties.font_size || 30;
      c.textAlign = "center";
      c.fillStyle = this.clicked ? "black" : "white";
      c.font = f + "px " + e.font;
      c.fillText(this.properties.text, 0.5 * this.size[0], 0.5 * this.size[1] + 0.3 * f);
      c.textAlign = "left";
    }
  };
  e.prototype.onMouseDown = function(c, e) {
    if (1 < e[0] && 1 < e[1] && e[0] < this.size[0] - 2 && e[1] < this.size[1] - 2) {
      return this.clicked = !0, this.triggerSlot(0, this.properties.message), !0;
    }
  };
  e.prototype.onExecute = function() {
    this.setOutputData(1, this.clicked);
  };
  e.prototype.onMouseUp = function(c) {
    this.clicked = !1;
  };
  C.registerNodeType("widget/button", e);
  q.title = "Toggle";
  q.desc = "Toggles between true or false";
  q.prototype.onDrawForeground = function(c) {
    if (!this.flags.collapsed) {
      var e = 0.5 * this.size[1], f = 0.8 * this.size[1];
      c.font = this.properties.font || (0.8 * e).toFixed(0) + "px Arial";
      var h = c.measureText(this.title).width;
      h = 0.5 * (this.size[0] - (h + e));
      c.fillStyle = "#AAA";
      c.fillRect(h, f - e, e, e);
      c.fillStyle = this.properties.value ? "#AEF" : "#000";
      c.fillRect(h + 0.25 * e, f - e + 0.25 * e, .5 * e, .5 * e);
      c.textAlign = "left";
      c.fillStyle = "#AAA";
      c.fillText(this.title, 1.2 * e + h, 0.85 * f);
      c.textAlign = "left";
    }
  };
  q.prototype.onAction = function(c) {
    this.properties.value = !this.properties.value;
    this.trigger("e", this.properties.value);
  };
  q.prototype.onExecute = function() {
    var c = this.getInputData(0);
    null != c && (this.properties.value = c);
    this.setOutputData(0, this.properties.value);
  };
  q.prototype.onMouseDown = function(c, e) {
    if (1 < e[0] && 1 < e[1] && e[0] < this.size[0] - 2 && e[1] < this.size[1] - 2) {
      return this.properties.value = !this.properties.value, this.graph._version++, this.trigger("e", this.properties.value), !0;
    }
  };
  C.registerNodeType("widget/toggle", q);
  k.title = "Number";
  k.desc = "Widget to select number value";
  k.pixels_threshold = 10;
  k.markers_color = "#666";
  k.prototype.onDrawForeground = function(c) {
    var e = 0.5 * this.size[0], f = this.size[1];
    30 < f ? (c.fillStyle = k.markers_color, c.beginPath(), c.moveTo(e, 0.1 * f), c.lineTo(e + 0.1 * f, 0.2 * f), c.lineTo(e + -0.1 * f, 0.2 * f), c.fill(), c.beginPath(), c.moveTo(e, 0.9 * f), c.lineTo(e + 0.1 * f, 0.8 * f), c.lineTo(e + -0.1 * f, 0.8 * f), c.fill(), c.font = (0.7 * f).toFixed(1) + "px Arial") : c.font = (0.8 * f).toFixed(1) + "px Arial";
    c.textAlign = "center";
    c.font = (0.7 * f).toFixed(1) + "px Arial";
    c.fillStyle = "#EEE";
    c.fillText(this.properties.value.toFixed(this._precision), e, 0.75 * f);
  };
  k.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
  };
  k.prototype.onPropertyChanged = function(c, e) {
    c = (this.properties.step + "").split(".");
    this._precision = 1 < c.length ? c[1].length : 0;
  };
  k.prototype.onMouseDown = function(c, e) {
    if (!(0 > e[1])) {
      return this.old_y = c.canvasY, this.captureInput(!0), this.mouse_captured = !0;
    }
  };
  k.prototype.onMouseMove = function(c) {
    if (this.mouse_captured) {
      var e = this.old_y - c.canvasY;
      c.shiftKey && (e *= 10);
      if (c.metaKey || c.altKey) {
        e *= 0.1;
      }
      this.old_y = c.canvasY;
      c = this._remainder + e / k.pixels_threshold;
      this._remainder = c % 1;
      c = Math.clamp(this.properties.value + (c | 0) * this.properties.step, this.properties.min, this.properties.max);
      this.properties.value = c;
      this.graph._version++;
      this.setDirtyCanvas(!0);
    }
  };
  k.prototype.onMouseUp = function(c, e) {
    200 > c.click_time && (this.properties.value = Math.clamp(this.properties.value + (e[1] > 0.5 * this.size[1] ? -1 : 1) * this.properties.step, this.properties.min, this.properties.max), this.graph._version++, this.setDirtyCanvas(!0));
    this.mouse_captured && (this.mouse_captured = !1, this.captureInput(!1));
  };
  C.registerNodeType("widget/number", k);
  h.title = "Knob";
  h.desc = "Circular controller";
  h.size = [80, 100];
  h.prototype.onDrawForeground = function(c) {
    if (!this.flags.collapsed) {
      -1 == this.value && (this.value = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min));
      var e = 0.5 * this.size[0], f = 0.5 * this.size[1], h = 0.5 * Math.min(this.size[0], this.size[1]) - 5;
      c.globalAlpha = 1;
      c.save();
      c.translate(e, f);
      c.rotate(0.75 * Math.PI);
      c.fillStyle = "rgba(0,0,0,0.5)";
      c.beginPath();
      c.moveTo(0, 0);
      c.arc(0, 0, h, 0, 1.5 * Math.PI);
      c.fill();
      c.strokeStyle = "black";
      c.fillStyle = this.properties.color;
      c.lineWidth = 2;
      c.beginPath();
      c.moveTo(0, 0);
      c.arc(0, 0, h - 4, 0, 1.5 * Math.PI * Math.max(0.01, this.value));
      c.closePath();
      c.fill();
      c.lineWidth = 1;
      c.globalAlpha = 1;
      c.restore();
      c.fillStyle = "black";
      c.beginPath();
      c.arc(e, f, 0.75 * h, 0, 2 * Math.PI, !0);
      c.fill();
      c.fillStyle = this.mouseOver ? "white" : this.properties.color;
      c.beginPath();
      var k = this.value * Math.PI * 1.5 + 0.75 * Math.PI;
      c.arc(e + Math.cos(k) * h * 0.65, f + Math.sin(k) * h * 0.65, 0.05 * h, 0, 2 * Math.PI, !0);
      c.fill();
      c.fillStyle = this.mouseOver ? "white" : "#AAA";
      c.font = Math.floor(0.5 * h) + "px Arial";
      c.textAlign = "center";
      c.fillText(this.properties.value.toFixed(this.properties.precision), e, f + 0.15 * h);
    }
  };
  h.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
    this.boxcolor = C.colorToString([this.value, this.value, this.value]);
  };
  h.prototype.onMouseDown = function(c) {
    this.center = [0.5 * this.size[0], 0.5 * this.size[1] + 20];
    this.radius = 0.5 * this.size[0];
    if (20 > c.canvasY - this.pos[1] || C.distance([c.canvasX, c.canvasY], [this.pos[0] + this.center[0], this.pos[1] + this.center[1]]) > this.radius) {
      return !1;
    }
    this.oldmouse = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
    this.captureInput(!0);
    return !0;
  };
  h.prototype.onMouseMove = function(c) {
    if (this.oldmouse) {
      c = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
      var e = this.value;
      e -= 0.01 * (c[1] - this.oldmouse[1]);
      1.0 < e ? e = 1.0 : 0.0 > e && (e = 0.0);
      this.value = e;
      this.properties.value = this.properties.min + (this.properties.max - this.properties.min) * this.value;
      this.oldmouse = c;
      this.setDirtyCanvas(!0);
    }
  };
  h.prototype.onMouseUp = function(c) {
    this.oldmouse && (this.oldmouse = null, this.captureInput(!1));
  };
  h.prototype.onPropertyChanged = function(c, e) {
    if ("min" == c || "max" == c || "value" == c) {
      return this.properties[c] = parseFloat(e), !0;
    }
  };
  C.registerNodeType("widget/knob", h);
  n.title = "Inner Slider";
  n.prototype.onPropertyChanged = function(c, e) {
    "value" == c && (this.slider.value = e);
  };
  n.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
  };
  C.registerNodeType("widget/internal_slider", n);
  f.title = "H.Slider";
  f.desc = "Linear slider controller";
  f.prototype.onDrawForeground = function(c) {
    -1 == this.value && (this.value = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min));
    c.globalAlpha = 1;
    c.lineWidth = 1;
    c.fillStyle = "#000";
    c.fillRect(2, 2, this.size[0] - 4, this.size[1] - 4);
    c.fillStyle = this.properties.color;
    c.beginPath();
    c.rect(4, 4, (this.size[0] - 8) * this.value, this.size[1] - 8);
    c.fill();
  };
  f.prototype.onExecute = function() {
    this.properties.value = this.properties.min + (this.properties.max - this.properties.min) * this.value;
    this.setOutputData(0, this.properties.value);
    this.boxcolor = C.colorToString([this.value, this.value, this.value]);
  };
  f.prototype.onMouseDown = function(c) {
    if (0 > c.canvasY - this.pos[1]) {
      return !1;
    }
    this.oldmouse = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
    this.captureInput(!0);
    return !0;
  };
  f.prototype.onMouseMove = function(c) {
    if (this.oldmouse) {
      c = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
      var e = this.value;
      e += (c[0] - this.oldmouse[0]) / this.size[0];
      1.0 < e ? e = 1.0 : 0.0 > e && (e = 0.0);
      this.value = e;
      this.oldmouse = c;
      this.setDirtyCanvas(!0);
    }
  };
  f.prototype.onMouseUp = function(c) {
    this.oldmouse = null;
    this.captureInput(!1);
  };
  f.prototype.onMouseLeave = function(c) {
  };
  C.registerNodeType("widget/hslider", f);
  y.title = "Progress";
  y.desc = "Shows data in linear progress";
  y.prototype.onExecute = function() {
    var c = this.getInputData(0);
    void 0 != c && (this.properties.value = c);
  };
  y.prototype.onDrawForeground = function(c) {
    c.lineWidth = 1;
    c.fillStyle = this.properties.color;
    var e = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min);
    e = Math.min(1, e);
    e = Math.max(0, e);
    c.fillRect(2, 2, (this.size[0] - 4) * e, this.size[1] - 4);
  };
  C.registerNodeType("widget/progress", y);
  B.title = "Text";
  B.desc = "Shows the input value";
  B.widgets = [{name:"resize", text:"Resize box", type:"button"}, {name:"led_text", text:"LED", type:"minibutton"}, {name:"normal_text", text:"Normal", type:"minibutton"}];
  B.prototype.onDrawForeground = function(c) {
    c.fillStyle = this.properties.color;
    var e = this.properties.value;
    this.properties.glowSize ? (c.shadowColor = this.properties.color, c.shadowOffsetX = 0, c.shadowOffsetY = 0, c.shadowBlur = this.properties.glowSize) : c.shadowColor = "transparent";
    var f = this.properties.fontsize;
    c.textAlign = this.properties.align;
    c.font = f.toString() + "px " + this.properties.font;
    this.str = "number" == typeof e ? e.toFixed(this.properties.decimals) : e;
    if ("string" == typeof this.str) {
      e = this.str.split("\\n");
      for (var h in e) {
        c.fillText(e[h], "left" == this.properties.align ? 15 : this.size[0] - 15, -0.15 * f + f * (parseInt(h) + 1));
      }
    }
    c.shadowColor = "transparent";
    this.last_ctx = c;
    c.textAlign = "left";
  };
  B.prototype.onExecute = function() {
    var c = this.getInputData(0);
    null != c && (this.properties.value = c);
  };
  B.prototype.resize = function() {
    if (this.last_ctx) {
      var c = this.str.split("\\n");
      this.last_ctx.font = this.properties.fontsize + "px " + this.properties.font;
      var e = 0, f;
      for (f in c) {
        var h = this.last_ctx.measureText(c[f]).width;
        e < h && (e = h);
      }
      this.size[0] = e + 20;
      this.size[1] = 4 + c.length * this.properties.fontsize;
      this.setDirtyCanvas(!0);
    }
  };
  B.prototype.onPropertyChanged = function(c, e) {
    this.properties[c] = e;
    this.str = "number" == typeof e ? e.toFixed(3) : e;
    return !0;
  };
  C.registerNodeType("widget/text", B);
  z.title = "Panel";
  z.desc = "Non interactive panel";
  z.widgets = [{name:"update", text:"Update", type:"button"}];
  z.prototype.createGradient = function(c) {
    "" == this.properties.bgcolorTop || "" == this.properties.bgcolorBottom ? this.lineargradient = 0 : (this.lineargradient = c.createLinearGradient(0, 0, 0, this.size[1]), this.lineargradient.addColorStop(0, this.properties.bgcolorTop), this.lineargradient.addColorStop(1, this.properties.bgcolorBottom));
  };
  z.prototype.onDrawForeground = function(c) {
    this.flags.collapsed || (null == this.lineargradient && this.createGradient(c), this.lineargradient && (c.lineWidth = 1, c.strokeStyle = this.properties.borderColor, c.fillStyle = this.lineargradient, this.properties.shadowSize ? (c.shadowColor = "#000", c.shadowOffsetX = 0, c.shadowOffsetY = 0, c.shadowBlur = this.properties.shadowSize) : c.shadowColor = "transparent", c.roundRect(0, 0, this.size[0] - 1, this.size[1] - 1, this.properties.shadowSize), c.fill(), c.shadowColor = "transparent", 
    c.stroke()));
  };
  C.registerNodeType("widget/panel", z);
})(this);
(function(w) {
  function e() {
    this.addOutput("left_x_axis", "number");
    this.addOutput("left_y_axis", "number");
    this.addOutput("button_pressed", q.EVENT);
    this.properties = {gamepad_index:0, threshold:0.1};
    this._left_axis = new Float32Array(2);
    this._right_axis = new Float32Array(2);
    this._triggers = new Float32Array(2);
    this._previous_buttons = new Uint8Array(17);
    this._current_buttons = new Uint8Array(17);
  }
  var q = w.LiteGraph;
  e.title = "Gamepad";
  e.desc = "gets the input of the gamepad";
  e.CENTER = 0;
  e.LEFT = 1;
  e.RIGHT = 2;
  e.UP = 4;
  e.DOWN = 8;
  e.zero = new Float32Array(2);
  e.buttons = "a b x y lb rb lt rt back start ls rs home".split(" ");
  e.prototype.onExecute = function() {
    var k = this.getGamepad(), h = this.properties.threshold || 0.0;
    k && (this._left_axis[0] = Math.abs(k.xbox.axes.lx) > h ? k.xbox.axes.lx : 0, this._left_axis[1] = Math.abs(k.xbox.axes.ly) > h ? k.xbox.axes.ly : 0, this._right_axis[0] = Math.abs(k.xbox.axes.rx) > h ? k.xbox.axes.rx : 0, this._right_axis[1] = Math.abs(k.xbox.axes.ry) > h ? k.xbox.axes.ry : 0, this._triggers[0] = Math.abs(k.xbox.axes.ltrigger) > h ? k.xbox.axes.ltrigger : 0, this._triggers[1] = Math.abs(k.xbox.axes.rtrigger) > h ? k.xbox.axes.rtrigger : 0);
    if (this.outputs) {
      for (h = 0; h < this.outputs.length; h++) {
        var n = this.outputs[h];
        if (n.links && n.links.length) {
          var f = null;
          if (k) {
            switch(n.name) {
              case "left_axis":
                f = this._left_axis;
                break;
              case "right_axis":
                f = this._right_axis;
                break;
              case "left_x_axis":
                f = this._left_axis[0];
                break;
              case "left_y_axis":
                f = this._left_axis[1];
                break;
              case "right_x_axis":
                f = this._right_axis[0];
                break;
              case "right_y_axis":
                f = this._right_axis[1];
                break;
              case "trigger_left":
                f = this._triggers[0];
                break;
              case "trigger_right":
                f = this._triggers[1];
                break;
              case "a_button":
                f = k.xbox.buttons.a ? 1 : 0;
                break;
              case "b_button":
                f = k.xbox.buttons.b ? 1 : 0;
                break;
              case "x_button":
                f = k.xbox.buttons.x ? 1 : 0;
                break;
              case "y_button":
                f = k.xbox.buttons.y ? 1 : 0;
                break;
              case "lb_button":
                f = k.xbox.buttons.lb ? 1 : 0;
                break;
              case "rb_button":
                f = k.xbox.buttons.rb ? 1 : 0;
                break;
              case "ls_button":
                f = k.xbox.buttons.ls ? 1 : 0;
                break;
              case "rs_button":
                f = k.xbox.buttons.rs ? 1 : 0;
                break;
              case "hat_left":
                f = k.xbox.hatmap & e.LEFT;
                break;
              case "hat_right":
                f = k.xbox.hatmap & e.RIGHT;
                break;
              case "hat_up":
                f = k.xbox.hatmap & e.UP;
                break;
              case "hat_down":
                f = k.xbox.hatmap & e.DOWN;
                break;
              case "hat":
                f = k.xbox.hatmap;
                break;
              case "start_button":
                f = k.xbox.buttons.start ? 1 : 0;
                break;
              case "back_button":
                f = k.xbox.buttons.back ? 1 : 0;
                break;
              case "button_pressed":
                for (n = 0; n < this._current_buttons.length; ++n) {
                  this._current_buttons[n] && !this._previous_buttons[n] && this.triggerSlot(h, e.buttons[n]);
                }
            }
          } else {
            switch(n.name) {
              case "button_pressed":
                break;
              case "left_axis":
              case "right_axis":
                f = e.zero;
                break;
              default:
                f = 0;
            }
          }
          this.setOutputData(h, f);
        }
      }
    }
  };
  e.prototype.getGamepad = function() {
    var k = navigator.getGamepads || navigator.webkitGetGamepads || navigator.mozGetGamepads;
    if (!k) {
      return null;
    }
    k = k.call(navigator);
    this._previous_buttons.set(this._current_buttons);
    for (var h = this.properties.gamepad_index; 4 > h; h++) {
      if (k[h]) {
        k = k[h];
        h = this.xbox_mapping;
        h || (h = this.xbox_mapping = {axes:[], buttons:{}, hat:"", hatmap:e.CENTER});
        h.axes.lx = k.axes[0];
        h.axes.ly = k.axes[1];
        h.axes.rx = k.axes[2];
        h.axes.ry = k.axes[3];
        h.axes.ltrigger = k.buttons[6].value;
        h.axes.rtrigger = k.buttons[7].value;
        h.hat = "";
        h.hatmap = e.CENTER;
        for (var n = 0; n < k.buttons.length; n++) {
          switch(this._current_buttons[n] = k.buttons[n].pressed, n) {
            case 0:
              h.buttons.a = k.buttons[n].pressed;
              break;
            case 1:
              h.buttons.b = k.buttons[n].pressed;
              break;
            case 2:
              h.buttons.x = k.buttons[n].pressed;
              break;
            case 3:
              h.buttons.y = k.buttons[n].pressed;
              break;
            case 4:
              h.buttons.lb = k.buttons[n].pressed;
              break;
            case 5:
              h.buttons.rb = k.buttons[n].pressed;
              break;
            case 6:
              h.buttons.lt = k.buttons[n].pressed;
              break;
            case 7:
              h.buttons.rt = k.buttons[n].pressed;
              break;
            case 8:
              h.buttons.back = k.buttons[n].pressed;
              break;
            case 9:
              h.buttons.start = k.buttons[n].pressed;
              break;
            case 10:
              h.buttons.ls = k.buttons[n].pressed;
              break;
            case 11:
              h.buttons.rs = k.buttons[n].pressed;
              break;
            case 12:
              k.buttons[n].pressed && (h.hat += "up", h.hatmap |= e.UP);
              break;
            case 13:
              k.buttons[n].pressed && (h.hat += "down", h.hatmap |= e.DOWN);
              break;
            case 14:
              k.buttons[n].pressed && (h.hat += "left", h.hatmap |= e.LEFT);
              break;
            case 15:
              k.buttons[n].pressed && (h.hat += "right", h.hatmap |= e.RIGHT);
              break;
            case 16:
              h.buttons.home = k.buttons[n].pressed;
          }
        }
        k.xbox = h;
        return k;
      }
    }
  };
  e.prototype.onDrawBackground = function(e) {
    if (!this.flags.collapsed) {
      var h = this._left_axis, k = this._right_axis;
      e.strokeStyle = "#88A";
      e.strokeRect(0.5 * (h[0] + 1) * this.size[0] - 4, 0.5 * (h[1] + 1) * this.size[1] - 4, 8, 8);
      e.strokeStyle = "#8A8";
      e.strokeRect(0.5 * (k[0] + 1) * this.size[0] - 4, 0.5 * (k[1] + 1) * this.size[1] - 4, 8, 8);
      h = this.size[1] / this._current_buttons.length;
      e.fillStyle = "#AEB";
      for (k = 0; k < this._current_buttons.length; ++k) {
        this._current_buttons[k] && e.fillRect(0, h * k, 6, h);
      }
    }
  };
  e.prototype.onGetOutputs = function() {
    return [["left_axis", "vec2"], ["right_axis", "vec2"], ["left_x_axis", "number"], ["left_y_axis", "number"], ["right_x_axis", "number"], ["right_y_axis", "number"], ["trigger_left", "number"], ["trigger_right", "number"], ["a_button", "number"], ["b_button", "number"], ["x_button", "number"], ["y_button", "number"], ["lb_button", "number"], ["rb_button", "number"], ["ls_button", "number"], ["rs_button", "number"], ["start_button", "number"], ["back_button", "number"], ["hat_left", "number"], 
    ["hat_right", "number"], ["hat_up", "number"], ["hat_down", "number"], ["hat", "number"], ["button_pressed", q.EVENT]];
  };
  q.registerNodeType("input/gamepad", e);
})(this);
(function(w) {
  function e() {
    this.addInput("in", "*");
    this.size = [60, 20];
  }
  function q() {
    this.addInput("in");
    this.addOutput("out");
    this.size = [60, 20];
  }
  function k() {
    this.addInput("in");
    this.addOutput("out");
  }
  function h() {
    this.addInput("in", "number", {locked:!0});
    this.addOutput("out", "number", {locked:!0});
    this.addProperty("in", 0);
    this.addProperty("in_min", 0);
    this.addProperty("in_max", 1);
    this.addProperty("out_min", 0);
    this.addProperty("out_max", 1);
    this.size = [80, 20];
  }
  function n() {
    this.addOutput("value", "number");
    this.addProperty("min", 0);
    this.addProperty("max", 1);
    this.size = [60, 20];
  }
  function f() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.addProperty("min", 0);
    this.addProperty("max", 1);
    this.addProperty("smooth", !0);
    this.size = [90, 20];
  }
  function y() {
    this.addOutput("out", "number");
    this.addProperty("min_time", 1);
    this.addProperty("max_time", 2);
    this.addProperty("duration", 0.2);
    this.size = [90, 20];
    this._blink_time = this._remaining_time = 0;
  }
  function B() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.addProperty("min", 0);
    this.addProperty("max", 1);
  }
  function z() {
    this.properties = {f:0.5};
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("out", "number");
  }
  function C() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function c() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [80, 30];
  }
  function D() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [80, 30];
  }
  function A() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [80, 30];
    this.properties = {A:0, B:1};
  }
  function r() {
    this.addInput("in", "number", {label:""});
    this.addOutput("out", "number", {label:""});
    this.size = [80, 30];
    this.addProperty("factor", 1);
  }
  function t() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [80, 30];
    this.addProperty("samples", 10);
    this._values = new Float32Array(10);
    this._current = 0;
  }
  function g() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.addProperty("factor", 0.1);
    this.size = [80, 30];
    this._value = null;
  }
  function l() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("=", "number");
    this.addProperty("A", 1);
    this.addProperty("B", 1);
    this.addProperty("OP", "+", "enum", {values:l.values});
  }
  function x() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("A==B", "boolean");
    this.addOutput("A!=B", "boolean");
    this.addProperty("A", 0);
    this.addProperty("B", 0);
  }
  function a() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("out", "boolean");
    this.addProperty("A", 1);
    this.addProperty("B", 1);
    this.addProperty("OP", ">", "string", {values:a.values});
    this.size = [80, 60];
  }
  function b() {
    this.addInput("inc", "number");
    this.addOutput("total", "number");
    this.addProperty("increment", 1);
    this.addProperty("value", 0);
  }
  function d() {
    this.addInput("v", "number");
    this.addOutput("sin", "number");
    this.addProperty("amplitude", 1);
    this.addProperty("offset", 0);
    this.bgImageUrl = "nodes/imgs/icon-sin.png";
  }
  function p() {
    this.addInput("x", "number");
    this.addInput("y", "number");
    this.addOutput("", "number");
    this.properties = {x:1.0, y:1.0, formula:"x+y"};
    this.code_widget = this.addWidget("text", "F(x,y)", this.properties.formula, function(a, b, d) {
      d.properties.formula = a;
    });
    this.addWidget("toggle", "allow", v.allow_scripts, function(a) {
      v.allow_scripts = a;
    });
    this._func = null;
  }
  function m() {
    this.addInput("vec2", "vec2");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
  }
  function G() {
    this.addInputs([["x", "number"], ["y", "number"]]);
    this.addOutput("vec2", "vec2");
    this.properties = {x:0, y:0};
    this._data = new Float32Array(2);
  }
  function E() {
    this.addInput("vec3", "vec3");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
    this.addOutput("z", "number");
  }
  function H() {
    this.addInputs([["x", "number"], ["y", "number"], ["z", "number"]]);
    this.addOutput("vec3", "vec3");
    this.properties = {x:0, y:0, z:0};
    this._data = new Float32Array(3);
  }
  function I() {
    this.addInput("vec4", "vec4");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
    this.addOutput("z", "number");
    this.addOutput("w", "number");
  }
  function K() {
    this.addInputs([["x", "number"], ["y", "number"], ["z", "number"], ["w", "number"]]);
    this.addOutput("vec4", "vec4");
    this.properties = {x:0, y:0, z:0, w:0};
    this._data = new Float32Array(4);
  }
  var v = w.LiteGraph;
  e.title = "Converter";
  e.desc = "type A to type B";
  e.prototype.onExecute = function() {
    var a = this.getInputData(0);
    if (null != a && this.outputs) {
      for (var b = 0; b < this.outputs.length; b++) {
        var d = this.outputs[b];
        if (d.links && d.links.length) {
          var c = null;
          switch(d.name) {
            case "number":
              c = a.length ? a[0] : parseFloat(a);
              break;
            case "vec2":
            case "vec3":
            case "vec4":
              c = 1;
              switch(d.name) {
                case "vec2":
                  c = 2;
                  break;
                case "vec3":
                  c = 3;
                  break;
                case "vec4":
                  c = 4;
              }c = new Float32Array(c);
              if (a.length) {
                for (d = 0; d < a.length && d < c.length; d++) {
                  c[d] = a[d];
                }
              } else {
                c[0] = parseFloat(a);
              }
          }
          this.setOutputData(b, c);
        }
      }
    }
  };
  e.prototype.onGetOutputs = function() {
    return [["number", "number"], ["vec2", "vec2"], ["vec3", "vec3"], ["vec4", "vec4"]];
  };
  v.registerNodeType("math/converter", e);
  q.title = "Bypass";
  q.desc = "removes the type";
  q.prototype.onExecute = function() {
    var a = this.getInputData(0);
    this.setOutputData(0, a);
  };
  v.registerNodeType("math/bypass", q);
  k.title = "to Number";
  k.desc = "Cast to number";
  k.prototype.onExecute = function() {
    var a = this.getInputData(0);
    this.setOutputData(0, Number(a));
  };
  v.registerNodeType("math/to_number", k);
  h.title = "Range";
  h.desc = "Convert a number from one range to another";
  h.prototype.getTitle = function() {
    return this.flags.collapsed ? (this._last_v || 0).toFixed(2) : this.title;
  };
  h.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; a++) {
        var b = this.inputs[a], d = this.getInputData(a);
        void 0 !== d && (this.properties[b.name] = d);
      }
    }
    d = this.properties["in"];
    if (void 0 === d || null === d || d.constructor !== Number) {
      d = 0;
    }
    a = this.properties.in_min;
    b = this.properties.out_min;
    this._last_v = (d - a) / (this.properties.in_max - a) * (this.properties.out_max - b) + b;
    this.setOutputData(0, this._last_v);
  };
  h.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = this._last_v ? this._last_v.toFixed(3) : "?";
  };
  h.prototype.onGetInputs = function() {
    return [["in_min", "number"], ["in_max", "number"], ["out_min", "number"], ["out_max", "number"]];
  };
  v.registerNodeType("math/range", h);
  n.title = "Rand";
  n.desc = "Random number";
  n.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; a++) {
        var b = this.inputs[a], d = this.getInputData(a);
        void 0 !== d && (this.properties[b.name] = d);
      }
    }
    a = this.properties.min;
    this._last_v = Math.random() * (this.properties.max - a) + a;
    this.setOutputData(0, this._last_v);
  };
  n.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = (this._last_v || 0).toFixed(3);
  };
  n.prototype.onGetInputs = function() {
    return [["min", "number"], ["max", "number"]];
  };
  v.registerNodeType("math/rand", n);
  f.title = "Noise";
  f.desc = "Random number with temporal continuity";
  f.data = null;
  f.getValue = function(a, b) {
    if (!f.data) {
      f.data = new Float32Array(1024);
      for (var d = 0; d < f.data.length; ++d) {
        f.data[d] = Math.random();
      }
    }
    a %= 1024;
    0 > a && (a += 1024);
    var c = Math.floor(a);
    a -= c;
    d = f.data[c];
    c = f.data[1023 == c ? 0 : c + 1];
    b && (a = a * a * a * (a * (6.0 * a - 15.0) + 10.0));
    return d * (1 - a) + c * a;
  };
  f.prototype.onExecute = function() {
    var a = this.getInputData(0) || 0;
    a = f.getValue(a, this.properties.smooth);
    var b = this.properties.min;
    this._last_v = a * (this.properties.max - b) + b;
    this.setOutputData(0, this._last_v);
  };
  f.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = (this._last_v || 0).toFixed(3);
  };
  v.registerNodeType("math/noise", f);
  y.title = "Spikes";
  y.desc = "spike every random time";
  y.prototype.onExecute = function() {
    var a = this.graph.elapsed_time;
    this._remaining_time -= a;
    this._blink_time -= a;
    a = 0;
    0 < this._blink_time && (a = 1 / (Math.pow(this._blink_time / this.properties.duration * 8 - 4, 4) + 1));
    0 > this._remaining_time ? (this._remaining_time = Math.random() * (this.properties.max_time - this.properties.min_time) + this.properties.min_time, this._blink_time = this.properties.duration, this.boxcolor = "#FFF") : this.boxcolor = "#000";
    this.setOutputData(0, a);
  };
  v.registerNodeType("math/spikes", y);
  B.title = "Clamp";
  B.desc = "Clamp number between min and max";
  B.filter = "shader";
  B.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (a = Math.max(this.properties.min, a), a = Math.min(this.properties.max, a), this.setOutputData(0, a));
  };
  B.prototype.getCode = function(a) {
    a = "";
    this.isInputConnected(0) && (a += "clamp({{0}}," + this.properties.min + "," + this.properties.max + ")");
    return a;
  };
  v.registerNodeType("math/clamp", B);
  z.title = "Lerp";
  z.desc = "Linear Interpolation";
  z.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.getInputData(1);
    null == b && (b = 0);
    var d = this.properties.f, c = this.getInputData(2);
    void 0 !== c && (d = c);
    this.setOutputData(0, a * (1 - d) + b * d);
  };
  z.prototype.onGetInputs = function() {
    return [["f", "number"]];
  };
  v.registerNodeType("math/lerp", z);
  C.title = "Abs";
  C.desc = "Absolute";
  C.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, Math.abs(a));
  };
  v.registerNodeType("math/abs", C);
  c.title = "Floor";
  c.desc = "Floor number to remove fractional part";
  c.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, Math.floor(a));
  };
  v.registerNodeType("math/floor", c);
  D.title = "Frac";
  D.desc = "Returns fractional part";
  D.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, a % 1);
  };
  v.registerNodeType("math/frac", D);
  A.title = "Smoothstep";
  A.desc = "Smoothstep";
  A.prototype.onExecute = function() {
    var a = this.getInputData(0);
    if (void 0 !== a) {
      var b = this.properties.A;
      a = Math.clamp((a - b) / (this.properties.B - b), 0.0, 1.0);
      this.setOutputData(0, a * a * (3 - 2 * a));
    }
  };
  v.registerNodeType("math/smoothstep", A);
  r.title = "Scale";
  r.desc = "v * factor";
  r.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, a * this.properties.factor);
  };
  v.registerNodeType("math/scale", r);
  t.title = "Average";
  t.desc = "Average Filter";
  t.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this._values.length;
    this._values[this._current % b] = a;
    this._current += 1;
    this._current > b && (this._current = 0);
    for (var d = a = 0; d < b; ++d) {
      a += this._values[d];
    }
    this.setOutputData(0, a / b);
  };
  t.prototype.onPropertyChanged = function(a, b) {
    1 > b && (b = 1);
    this.properties.samples = Math.round(b);
    a = this._values;
    this._values = new Float32Array(this.properties.samples);
    a.length <= this._values.length ? this._values.set(a) : this._values.set(a.subarray(0, this._values.length));
  };
  v.registerNodeType("math/average", t);
  g.title = "TendTo";
  g.desc = "moves the output value always closer to the input";
  g.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.properties.factor;
    this._value = null == this._value ? a : this._value * (1 - b) + a * b;
    this.setOutputData(0, this._value);
  };
  v.registerNodeType("math/tendTo", g);
  l.values = "+-*/%^".split("");
  l.title = "Operation";
  l.desc = "Easy math operators";
  l["@OP"] = {type:"enum", title:"operation", values:l.values};
  l.size = [100, 60];
  l.prototype.getTitle = function() {
    return "A " + this.properties.OP + " B";
  };
  l.prototype.setValue = function(a) {
    "string" == typeof a && (a = parseFloat(a));
    this.properties.value = a;
  };
  l.prototype.onExecute = function() {
    var a = this.getInputData(0), b = this.getInputData(1);
    null != a ? this.properties.A = a : a = this.properties.A;
    null != b ? this.properties.B = b : b = this.properties.B;
    var d = 0;
    switch(this.properties.OP) {
      case "+":
        d = a + b;
        break;
      case "-":
        d = a - b;
        break;
      case "x":
      case "X":
      case "*":
        d = a * b;
        break;
      case "/":
        d = a / b;
        break;
      case "%":
        d = a % b;
        break;
      case "^":
        d = Math.pow(a, b);
        break;
      default:
        console.warn("Unknown operation: " + this.properties.OP);
    }
    this.setOutputData(0, d);
  };
  l.prototype.onDrawBackground = function(a) {
    this.flags.collapsed || (a.font = "40px Arial", a.fillStyle = "#666", a.textAlign = "center", a.fillText(this.properties.OP, 0.5 * this.size[0], 0.5 * (this.size[1] + v.NODE_TITLE_HEIGHT)), a.textAlign = "left");
  };
  v.registerNodeType("math/operation", l);
  x.title = "Compare";
  x.desc = "compares between two values";
  x.prototype.onExecute = function() {
    var a = this.getInputData(0), b = this.getInputData(1);
    void 0 !== a ? this.properties.A = a : a = this.properties.A;
    void 0 !== b ? this.properties.B = b : b = this.properties.B;
    for (var d = 0, c = this.outputs.length; d < c; ++d) {
      var e = this.outputs[d];
      if (e.links && e.links.length) {
        switch(e.name) {
          case "A==B":
            value = a == b;
            break;
          case "A!=B":
            value = a != b;
            break;
          case "A>B":
            value = a > b;
            break;
          case "A<B":
            value = a < b;
            break;
          case "A<=B":
            value = a <= b;
            break;
          case "A>=B":
            value = a >= b;
        }
        this.setOutputData(d, value);
      }
    }
  };
  x.prototype.onGetOutputs = function() {
    return [["A==B", "boolean"], ["A!=B", "boolean"], ["A>B", "boolean"], ["A<B", "boolean"], ["A>=B", "boolean"], ["A<=B", "boolean"]];
  };
  v.registerNodeType("math/compare", x);
  v.registerSearchboxExtra("math/compare", "==", {outputs:[["A==B", "boolean"]], title:"A==B"});
  v.registerSearchboxExtra("math/compare", "!=", {outputs:[["A!=B", "boolean"]], title:"A!=B"});
  v.registerSearchboxExtra("math/compare", ">", {outputs:[["A>B", "boolean"]], title:"A>B"});
  v.registerSearchboxExtra("math/compare", "<", {outputs:[["A<B", "boolean"]], title:"A<B"});
  v.registerSearchboxExtra("math/compare", ">=", {outputs:[["A>=B", "boolean"]], title:"A>=B"});
  v.registerSearchboxExtra("math/compare", "<=", {outputs:[["A<=B", "boolean"]], title:"A<=B"});
  a.values = "> < == != <= >=".split(" ");
  a["@OP"] = {type:"enum", title:"operation", values:a.values};
  a.title = "Condition";
  a.desc = "evaluates condition between A and B";
  a.prototype.onExecute = function() {
    var a = this.getInputData(0);
    void 0 === a ? a = this.properties.A : this.properties.A = a;
    var b = this.getInputData(1);
    void 0 === b ? b = this.properties.B : this.properties.B = b;
    var d = !0;
    switch(this.properties.OP) {
      case ">":
        d = a > b;
        break;
      case "<":
        d = a < b;
        break;
      case "==":
        d = a == b;
        break;
      case "!=":
        d = a != b;
        break;
      case "<=":
        d = a <= b;
        break;
      case ">=":
        d = a >= b;
    }
    this.setOutputData(0, d);
  };
  v.registerNodeType("math/condition", a);
  b.title = "Accumulate";
  b.desc = "Increments a value every time";
  b.prototype.onExecute = function() {
    null === this.properties.value && (this.properties.value = 0);
    var a = this.getInputData(0);
    this.properties.value = null !== a ? this.properties.value + a : this.properties.value + this.properties.increment;
    this.setOutputData(0, this.properties.value);
  };
  v.registerNodeType("math/accumulate", b);
  d.title = "Trigonometry";
  d.desc = "Sin Cos Tan";
  d.filter = "shader";
  d.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.properties.amplitude, d = this.findInputSlot("amplitude");
    -1 != d && (b = this.getInputData(d));
    var c = this.properties.offset;
    d = this.findInputSlot("offset");
    -1 != d && (c = this.getInputData(d));
    d = 0;
    for (var e = this.outputs.length; d < e; ++d) {
      switch(this.outputs[d].name) {
        case "sin":
          value = Math.sin(a);
          break;
        case "cos":
          value = Math.cos(a);
          break;
        case "tan":
          value = Math.tan(a);
          break;
        case "asin":
          value = Math.asin(a);
          break;
        case "acos":
          value = Math.acos(a);
          break;
        case "atan":
          value = Math.atan(a);
      }
      this.setOutputData(d, b * value + c);
    }
  };
  d.prototype.onGetInputs = function() {
    return [["v", "number"], ["amplitude", "number"], ["offset", "number"]];
  };
  d.prototype.onGetOutputs = function() {
    return [["sin", "number"], ["cos", "number"], ["tan", "number"], ["asin", "number"], ["acos", "number"], ["atan", "number"]];
  };
  v.registerNodeType("math/trigonometry", d);
  v.registerSearchboxExtra("math/trigonometry", "SIN()", {outputs:[["sin", "number"]], title:"SIN()"});
  v.registerSearchboxExtra("math/trigonometry", "COS()", {outputs:[["cos", "number"]], title:"COS()"});
  v.registerSearchboxExtra("math/trigonometry", "TAN()", {outputs:[["tan", "number"]], title:"TAN()"});
  p.title = "Formula";
  p.desc = "Compute formula";
  p.size = [160, 100];
  t.prototype.onPropertyChanged = function(a, b) {
    "formula" == a && (this.code_widget.value = b);
  };
  p.prototype.onExecute = function() {
    if (v.allow_scripts) {
      var a = this.getInputData(0), b = this.getInputData(1);
      null != a ? this.properties.x = a : a = this.properties.x;
      null != b ? this.properties.y = b : b = this.properties.y;
      try {
        this._func && this._func_code == this.properties.formula || (this._func = new Function("x", "y", "TIME", "return " + this.properties.formula), this._func_code = this.properties.formula);
        var d = this._func(a, b, this.graph.globaltime);
        this.boxcolor = null;
      } catch (S) {
        this.boxcolor = "red";
      }
      this.setOutputData(0, d);
    }
  };
  p.prototype.getTitle = function() {
    return this._func_code || "Formula";
  };
  p.prototype.onDrawBackground = function() {
    var a = this.properties.formula;
    this.outputs && this.outputs.length && (this.outputs[0].label = a);
  };
  v.registerNodeType("math/formula", p);
  m.title = "Vec2->XY";
  m.desc = "vector 2 to components";
  m.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]));
  };
  v.registerNodeType("math3d/vec2-to-xyz", m);
  G.title = "XY->Vec2";
  G.desc = "components to vector2";
  G.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = this.properties.x);
    var b = this.getInputData(1);
    null == b && (b = this.properties.y);
    var d = this._data;
    d[0] = a;
    d[1] = b;
    this.setOutputData(0, d);
  };
  v.registerNodeType("math3d/xy-to-vec2", G);
  E.title = "Vec3->XYZ";
  E.desc = "vector 3 to components";
  E.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]), this.setOutputData(2, a[2]));
  };
  v.registerNodeType("math3d/vec3-to-xyz", E);
  H.title = "XYZ->Vec3";
  H.desc = "components to vector3";
  H.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = this.properties.x);
    var b = this.getInputData(1);
    null == b && (b = this.properties.y);
    var d = this.getInputData(2);
    null == d && (d = this.properties.z);
    var c = this._data;
    c[0] = a;
    c[1] = b;
    c[2] = d;
    this.setOutputData(0, c);
  };
  v.registerNodeType("math3d/xyz-to-vec3", H);
  I.title = "Vec4->XYZW";
  I.desc = "vector 4 to components";
  I.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]), this.setOutputData(2, a[2]), this.setOutputData(3, a[3]));
  };
  v.registerNodeType("math3d/vec4-to-xyzw", I);
  K.title = "XYZW->Vec4";
  K.desc = "components to vector4";
  K.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = this.properties.x);
    var b = this.getInputData(1);
    null == b && (b = this.properties.y);
    var d = this.getInputData(2);
    null == d && (d = this.properties.z);
    var c = this.getInputData(3);
    null == c && (c = this.properties.w);
    var e = this._data;
    e[0] = a;
    e[1] = b;
    e[2] = d;
    e[3] = c;
    this.setOutputData(0, e);
  };
  v.registerNodeType("math3d/xyzw-to-vec4", K);
  if (w.glMatrix) {
    w = function() {
      this.addInputs([["A", "quat"], ["B", "quat"], ["factor", "number"]]);
      this.addOutput("slerp", "quat");
      this.addProperty("factor", 0.5);
      this._value = quat.create();
    };
    var J = function() {
      this.addInputs([["A", "quat"], ["B", "quat"]]);
      this.addOutput("A*B", "quat");
      this._value = quat.create();
    }, N = function() {
      this.addInputs([["vec3", "vec3"], ["quat", "quat"]]);
      this.addOutput("result", "vec3");
      this.properties = {vec:[0, 0, 1]};
    }, L = function() {
      this.addInputs([["degrees", "number"], ["axis", "vec3"]]);
      this.addOutput("quat", "quat");
      this.properties = {angle:90.0, axis:vec3.fromValues(0, 1, 0)};
      this._value = quat.create();
    }, u = function() {
      this.addOutput("quat", "quat");
      this.properties = {x:0, y:0, z:0, w:1};
      this._value = quat.create();
    };
    u.title = "Quaternion";
    u.desc = "quaternion";
    u.prototype.onExecute = function() {
      this._value[0] = this.properties.x;
      this._value[1] = this.properties.y;
      this._value[2] = this.properties.z;
      this._value[3] = this.properties.w;
      this.setOutputData(0, this._value);
    };
    v.registerNodeType("math3d/quaternion", u);
    L.title = "Rotation";
    L.desc = "quaternion rotation";
    L.prototype.onExecute = function() {
      var a = this.getInputData(0);
      null == a && (a = this.properties.angle);
      var b = this.getInputData(1);
      null == b && (b = this.properties.axis);
      a = quat.setAxisAngle(this._value, b, 0.0174532925 * a);
      this.setOutputData(0, a);
    };
    v.registerNodeType("math3d/rotation", L);
    N.title = "Rot. Vec3";
    N.desc = "rotate a point";
    N.prototype.onExecute = function() {
      var a = this.getInputData(0);
      null == a && (a = this.properties.vec);
      var b = this.getInputData(1);
      null == b ? this.setOutputData(a) : this.setOutputData(0, vec3.transformQuat(vec3.create(), a, b));
    };
    v.registerNodeType("math3d/rotate_vec3", N);
    J.title = "Mult. Quat";
    J.desc = "rotate quaternion";
    J.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (null != a) {
        var b = this.getInputData(1);
        null != b && (a = quat.multiply(this._value, a, b), this.setOutputData(0, a));
      }
    };
    v.registerNodeType("math3d/mult-quat", J);
    w.title = "Quat Slerp";
    w.desc = "quaternion spherical interpolation";
    w.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (null != a) {
        var b = this.getInputData(1);
        if (null != b) {
          var d = this.properties.factor;
          null != this.getInputData(2) && (d = this.getInputData(2));
          a = quat.slerp(this._value, a, b, d);
          this.setOutputData(0, a);
        }
      }
    };
    v.registerNodeType("math3d/quat-slerp", w);
  }
})(this);
(function(w) {
  function e() {
    this.addInput("sel", "number");
    this.addInput("A");
    this.addInput("B");
    this.addInput("C");
    this.addInput("D");
    this.addOutput("out");
    this.selected = 0;
  }
  function q() {
    this.properties = {sequence:"A,B,C"};
    this.addInput("index", "number");
    this.addInput("seq");
    this.addOutput("out");
    this.index = 0;
    this.values = this.properties.sequence.split(",");
  }
  var k = w.LiteGraph;
  e.title = "Selector";
  e.desc = "selects an output";
  e.prototype.onDrawBackground = function(e) {
    if (!this.flags.collapsed) {
      e.fillStyle = "#AFB";
      var h = (this.selected + 1) * k.NODE_SLOT_HEIGHT + 6;
      e.beginPath();
      e.moveTo(50, h);
      e.lineTo(50, h + k.NODE_SLOT_HEIGHT);
      e.lineTo(34, h + 0.5 * k.NODE_SLOT_HEIGHT);
      e.fill();
    }
  };
  e.prototype.onExecute = function() {
    var e = this.getInputData(0);
    null == e && (e = 0);
    this.selected = e = Math.round(e) % (this.inputs.length - 1);
    e = this.getInputData(e + 1);
    void 0 !== e && this.setOutputData(0, e);
  };
  e.prototype.onGetInputs = function() {
    return [["E", 0], ["F", 0], ["G", 0], ["H", 0]];
  };
  k.registerNodeType("logic/selector", e);
  q.title = "Sequence";
  q.desc = "select one element from a sequence from a string";
  q.prototype.onPropertyChanged = function(e, k) {
    "sequence" == e && (this.values = k.split(","));
  };
  q.prototype.onExecute = function() {
    var e = this.getInputData(1);
    e && e != this.current_sequence && (this.values = e.split(","), this.current_sequence = e);
    e = this.getInputData(0);
    null == e && (e = 0);
    this.index = e = Math.round(e) % this.values.length;
    this.setOutputData(0, this.values[e]);
  };
  k.registerNodeType("logic/sequence", q);
})(this);
(function(w) {
  var e = w.LiteGraph;
  w.LGraphTexture = null;
  if ("undefined" != typeof GL) {
    var q = function() {
      this.addOutput("Cubemap", "Cubemap");
      this.properties = {name:""};
      this.size = [u.image_preview_size, u.image_preview_size];
    }, k = function() {
      this.addInput("in", "Texture");
      this.addOutput("out", "Texture");
      this.properties = {key_color:vec3.fromValues(0., 1., 0.), threshold:0.8, slope:0.2, precision:u.DEFAULT};
    }, h = function() {
      this.addOutput("out", "Texture");
      this.properties = {code:"", width:512, height:512, precision:u.DEFAULT};
      this._temp_texture = this._func = null;
    }, n = function() {
      this.addOutput("out", "Texture");
      this.properties = {width:512, height:512, seed:0, persistence:0.1, octaves:8, scale:1, offset:[0, 0], amplitude:1, precision:u.DEFAULT};
      this._key = 0;
      this._texture = null;
      this._uniforms = {u_persistence:0.1, u_seed:0, u_offset:vec2.create(), u_scale:1, u_viewport:vec2.create()};
    }, f = function() {
      this.addInput("in", "Texture");
      this.addInput("avg", "number,Texture");
      this.addOutput("out", "Texture");
      this.properties = {enabled:!0, scale:1, gamma:1, average_lum:1, lum_white:1, precision:u.LOW};
      this._uniforms = {u_texture:0, u_lumwhite2:1, u_igamma:1, u_scale:1, u_average_lum:1};
    }, y = function() {
      this.addInput("in", "Texture");
      this.addInput("exp", "number");
      this.addOutput("out", "Texture");
      this.properties = {exposition:1, precision:u.LOW};
      this._uniforms = {u_texture:0, u_exposition:1};
    }, B = function() {
      this.addInput("in", "Texture");
      this.addInput("f", "number");
      this.addOutput("out", "Texture");
      this.properties = {enabled:!0, factor:1, precision:u.LOW};
      this._uniforms = {u_texture:0, u_factor:1};
    }, z = function() {
      this.addOutput("Webcam", "Texture");
      this.properties = {texture_name:"", facingMode:"user"};
      this.boxcolor = "black";
      this.version = 0;
    }, C = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("Filtered", "Texture");
      this.properties = {intensity:1, radius:5};
    }, c = function() {
      this.addInput("in", "Texture");
      this.addInput("dirt", "Texture");
      this.addOutput("out", "Texture");
      this.addOutput("glow", "Texture");
      this.properties = {enabled:!0, intensity:1, persistence:0.99, iterations:16, threshold:0, scale:1, dirt_factor:0.5, precision:u.DEFAULT};
      this._textures = [];
      this._uniforms = {u_intensity:1, u_texture:0, u_glow_texture:1, u_threshold:0, u_texel_size:vec2.create()};
    }, D = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Iterations", "number");
      this.addInput("Intensity", "number");
      this.addOutput("Blurred", "Texture");
      this.properties = {intensity:1, iterations:1, preserve_aspect:!1, scale:[1, 1], precision:u.DEFAULT};
    }, A = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Distance", "number");
      this.addInput("Range", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {distance:100, range:50, only_depth:!1, high_precision:!1};
      this._uniforms = {u_texture:0, u_distance:100, u_range:50, u_camera_planes:null};
    }, r = function() {
      this.addInput("Tex.", "Texture");
      this.addOutput("Edges", "Texture");
      this.properties = {invert:!0, threshold:!1, factor:1, precision:u.DEFAULT};
      r._shader || (r._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, r.pixel_shader));
    }, t = function() {
      this.addInput("A", "Texture");
      this.addInput("B", "Texture");
      this.addInput("Mixer", "Texture");
      this.addOutput("Texture", "Texture");
      this.properties = {factor:0.5, precision:u.DEFAULT};
      this._uniforms = {u_textureA:0, u_textureB:1, u_textureMix:2, u_mix:vec4.create()};
    }, g = function() {
      this.addInput("A", "color");
      this.addInput("B", "color");
      this.addOutput("Texture", "Texture");
      this.properties = {angle:0, scale:1, A:[0, 0, 0], B:[1, 1, 1], texture_size:32};
      g._shader || (g._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, g.pixel_shader));
      this._uniforms = {u_angle:0, u_colorA:vec3.create(), u_colorB:vec3.create()};
    }, l = function() {
      this.addOutput("Texture", "Texture");
      this._tex_color = vec4.create();
      this.properties = {color:vec4.create(), precision:u.DEFAULT};
    }, x = function() {
      this.addInput("R", "Texture");
      this.addInput("G", "Texture");
      this.addInput("B", "Texture");
      this.addInput("A", "Texture");
      this.addOutput("Texture", "Texture");
      this.properties = {precision:u.DEFAULT, R:1, G:1, B:1, A:1};
      this._color = vec4.create();
      this._uniforms = {u_textureR:0, u_textureG:1, u_textureB:2, u_textureA:3, u_color:this._color};
    }, a = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("R", "Texture");
      this.addOutput("G", "Texture");
      this.addOutput("B", "Texture");
      this.addOutput("A", "Texture");
      this.properties = {use_luminance:!0};
      a._shader || (a._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, a.pixel_shader));
    }, b = function() {
      this.addInput("Texture", "Texture");
      this.addInput("LUT", "Texture");
      this.addInput("Intensity", "number");
      this.addOutput("", "Texture");
      this.properties = {intensity:1, precision:u.DEFAULT, texture:null};
      b._shader || (b._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, b.pixel_shader));
    }, d = function() {
      this.addInput("Image", "image");
      this.addOutput("", "Texture");
      this.properties = {};
    }, p = function() {
      this.addInput("in", "Texture");
      this.addInput("factor", "Number");
      this.addOutput("out", "Texture");
      this.properties = {factor:0.5};
      this._uniforms = {u_texture:0, u_textureB:1, u_factor:this.properties.factor};
    }, m = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("tex", "Texture");
      this.addOutput("avg", "vec4");
      this.addOutput("lum", "number");
      this.properties = {use_previous_frame:!0, mipmap_offset:0, low_precision:!1};
      this._uniforms = {u_texture:0, u_mipmap_offset:this.properties.mipmap_offset};
      this._luminance = new Float32Array(4);
    }, G = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {iterations:1, generate_mipmaps:!1, precision:u.DEFAULT};
    }, E = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {size:0, generate_mipmaps:!1, precision:u.DEFAULT};
    }, H = function() {
      this.addInput("Texture", "Texture");
      this.properties = {additive:!1, antialiasing:!1, filter:!0, disable_alpha:!1, gamma:1.0};
      this.size[0] = 130;
    }, I = function() {
      this.addInput("in", "Texture");
      this.addInput("warp", "Texture");
      this.addInput("factor", "number");
      this.addOutput("out", "Texture");
      this.properties = {factor:0.01, precision:u.DEFAULT};
    }, K = function() {
      this.addInput("in", "Texture");
      this.addInput("scale", "vec2");
      this.addInput("offset", "vec2");
      this.addOutput("out", "Texture");
      this.properties = {offset:vec2.fromValues(0, 0), scale:vec2.fromValues(1, 1), precision:u.DEFAULT};
    }, v = function() {
      this.addOutput("out", "Texture");
      this.properties = {code:"", width:512, height:512, precision:u.DEFAULT};
      this.properties.code = "\nvoid main() {\n  vec2 uv = v_coord;\n  vec3 color = vec3(0.0);\n//your code here\n\ngl_FragColor = vec4(color, 1.0);\n}\n";
      this._uniforms = {in_texture:0, texSize:vec2.create(), time:0};
    }, J = function() {
      this.addInput("Texture", "Texture");
      this.addInput("TextureB", "Texture");
      this.addInput("value", "number");
      this.addOutput("Texture", "Texture");
      this.help = "<p>pixelcode must be vec3</p>\r\n\t\t\t<p>uvcode must be vec2, is optional</p>\r\n\t\t\t<p><strong>uv:</strong> tex. coords</p><p><strong>color:</strong> texture</p><p><strong>colorB:</strong> textureB</p><p><strong>time:</strong> scene time</p><p><strong>value:</strong> input value</p>";
      this.properties = {value:1, uvcode:"", pixelcode:"color + colorB * value", precision:u.DEFAULT};
    }, N = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {name:""};
    }, L = function() {
      this.addInput("Texture", "Texture");
      this.properties = {flipY:!1};
      this.size = [u.image_preview_size, u.image_preview_size];
    }, u = function() {
      this.addOutput("Texture", "Texture");
      this.properties = {name:"", filter:!0};
      this.size = [u.image_preview_size, u.image_preview_size];
    };
    LGraphCanvas.link_type_colors.Texture = "#987";
    w.LGraphTexture = u;
    u.title = "Texture";
    u.desc = "Texture";
    u.widgets_info = {name:{widget:"texture"}, filter:{widget:"checkbox"}};
    u.loadTextureCallback = null;
    u.image_preview_size = 256;
    u.PASS_THROUGH = 1;
    u.COPY = 2;
    u.LOW = 3;
    u.HIGH = 4;
    u.REUSE = 5;
    u.DEFAULT = 2;
    u.MODE_VALUES = {"pass through":u.PASS_THROUGH, copy:u.COPY, low:u.LOW, high:u.HIGH, reuse:u.REUSE, "default":u.DEFAULT};
    u.getTexturesContainer = function() {
      return gl.textures;
    };
    u.loadTexture = function(a, b) {
      b = b || {};
      var d = a;
      "http://" == d.substr(0, 7) && e.proxy && (d = e.proxy + d.substr(7));
      return u.getTexturesContainer()[a] = GL.Texture.fromURL(d, b);
    };
    u.getTexture = function(a) {
      var b = this.getTexturesContainer();
      if (!b) {
        throw "Cannot load texture, container of textures not found";
      }
      b = b[a];
      return !b && a && ":" != a[0] ? this.loadTexture(a) : b;
    };
    u.getTargetTexture = function(a, b, d) {
      if (!a) {
        throw "LGraphTexture.getTargetTexture expects a reference texture";
      }
      switch(d) {
        case u.LOW:
          d = gl.UNSIGNED_BYTE;
          break;
        case u.HIGH:
          d = gl.HIGH_PRECISION_FORMAT;
          break;
        case u.REUSE:
          return a;
        default:
          d = a ? a.type : gl.UNSIGNED_BYTE;
      }
      b && b.width == a.width && b.height == a.height && b.type == d || (b = new GL.Texture(a.width, a.height, {type:d, format:gl.RGBA, filter:gl.LINEAR}));
      return b;
    };
    u.getTextureType = function(a, b) {
      b = b ? b.type : gl.UNSIGNED_BYTE;
      switch(a) {
        case u.HIGH:
          b = gl.HIGH_PRECISION_FORMAT;
          break;
        case u.LOW:
          b = gl.UNSIGNED_BYTE;
      }
      return b;
    };
    u.getWhiteTexture = function() {
      return this._white_texture ? this._white_texture : this._white_texture = GL.Texture.fromMemory(1, 1, [255, 255, 255, 255], {format:gl.RGBA, wrap:gl.REPEAT, filter:gl.NEAREST});
    };
    u.getNoiseTexture = function() {
      if (this._noise_texture) {
        return this._noise_texture;
      }
      for (var a = new Uint8Array(1048576), b = 0; 1048576 > b; ++b) {
        a[b] = 255 * Math.random();
      }
      return this._noise_texture = a = GL.Texture.fromMemory(512, 512, a, {format:gl.RGBA, wrap:gl.REPEAT, filter:gl.NEAREST});
    };
    u.prototype.onDropFile = function(a, b, d) {
      a ? ("string" == typeof a ? a = GL.Texture.fromURL(a) : -1 != b.toLowerCase().indexOf(".dds") ? a = GL.Texture.fromDDSInMemory(a) : (a = new Blob([d]), a = URL.createObjectURL(a), a = GL.Texture.fromURL(a)), this._drop_texture = a, this.properties.name = b) : (this._drop_texture = null, this.properties.name = "");
    };
    u.prototype.getExtraMenuOptions = function(a) {
      var b = this;
      if (this._drop_texture) {
        return [{content:"Clear", callback:function() {
          b._drop_texture = null;
          b.properties.name = "";
        }}];
      }
    };
    u.prototype.onExecute = function() {
      var a = null;
      this.isOutputConnected(1) && (a = this.getInputData(0));
      !a && this._drop_texture && (a = this._drop_texture);
      !a && this.properties.name && (a = u.getTexture(this.properties.name));
      if (a) {
        this._last_tex = a;
        !1 === this.properties.filter ? a.setParameter(gl.TEXTURE_MAG_FILTER, gl.NEAREST) : a.setParameter(gl.TEXTURE_MAG_FILTER, gl.LINEAR);
        this.setOutputData(0, a);
        for (var b = 1; b < this.outputs.length; b++) {
          var d = this.outputs[b];
          if (d) {
            var c = null;
            "width" == d.name ? c = a.width : "height" == d.name ? c = a.height : "aspect" == d.name && (c = a.width / a.height);
            this.setOutputData(b, c);
          }
        }
      }
    };
    u.prototype.onResourceRenamed = function(a, b) {
      this.properties.name == a && (this.properties.name = b);
    };
    u.prototype.onDrawBackground = function(a) {
      if (!(this.flags.collapsed || 20 >= this.size[1])) {
        if (this._drop_texture && a.webgl) {
          a.drawImage(this._drop_texture, 0, 0, this.size[0], this.size[1]);
        } else {
          if (this._last_preview_tex != this._last_tex) {
            if (a.webgl) {
              this._canvas = this._last_tex;
            } else {
              var b = u.generateLowResTexturePreview(this._last_tex);
              if (!b) {
                return;
              }
              this._last_preview_tex = this._last_tex;
              this._canvas = cloneCanvas(b);
            }
          }
          this._canvas && (a.save(), a.webgl || (a.translate(0, this.size[1]), a.scale(1, -1)), a.drawImage(this._canvas, 0, 0, this.size[0], this.size[1]), a.restore());
        }
      }
    };
    u.generateLowResTexturePreview = function(a) {
      if (!a) {
        return null;
      }
      var b = u.image_preview_size, d = a;
      if (a.format == gl.DEPTH_COMPONENT) {
        return null;
      }
      if (a.width > b || a.height > b) {
        d = this._preview_temp_tex, this._preview_temp_tex || (this._preview_temp_tex = d = new GL.Texture(b, b, {minFilter:gl.NEAREST})), a.copyTo(d);
      }
      a = this._preview_canvas;
      a || (this._preview_canvas = a = createCanvas(b, b));
      d && d.toCanvas(a);
      return a;
    };
    u.prototype.getResources = function(a) {
      a[this.properties.name] = GL.Texture;
      return a;
    };
    u.prototype.onGetInputs = function() {
      return [["in", "Texture"]];
    };
    u.prototype.onGetOutputs = function() {
      return [["width", "number"], ["height", "number"], ["aspect", "number"]];
    };
    e.registerNodeType("texture/texture", u);
    L.title = "Preview";
    L.desc = "Show a texture in the graph canvas";
    L.allow_preview = !1;
    L.prototype.onDrawBackground = function(a) {
      if (!this.flags.collapsed && (a.webgl || L.allow_preview)) {
        var b = this.getInputData(0);
        b && (b = !b.handle && a.webgl ? b : u.generateLowResTexturePreview(b), a.save(), this.properties.flipY && (a.translate(0, this.size[1]), a.scale(1, -1)), a.drawImage(b, 0, 0, this.size[0], this.size[1]), a.restore());
      }
    };
    e.registerNodeType("texture/preview", L);
    N.title = "Save";
    N.desc = "Save a texture in the repository";
    N.prototype.onExecute = function() {
      var a = this.getInputData(0);
      a && (this.properties.name && (u.storeTexture ? u.storeTexture(this.properties.name, a) : u.getTexturesContainer()[this.properties.name] = a), this.setOutputData(0, a));
    };
    e.registerNodeType("texture/save", N);
    J.widgets_info = {uvcode:{widget:"textarea", height:100}, pixelcode:{widget:"textarea", height:100}, precision:{widget:"combo", values:u.MODE_VALUES}};
    J.title = "Operation";
    J.desc = "Texture shader operation";
    J.prototype.getExtraMenuOptions = function(a) {
      var b = this;
      return [{content:b.properties.show ? "Hide Texture" : "Show Texture", callback:function() {
        b.properties.show = !b.properties.show;
      }}];
    };
    J.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !this.properties.show || !this._tex || this._tex.gl != a || (a.save(), a.drawImage(this._tex, 0, 0, this.size[0], this.size[1]), a.restore());
    };
    J.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1);
          if (this.properties.uvcode || this.properties.pixelcode) {
            var d = 512, c = 512;
            a ? (d = a.width, c = a.height) : b && (d = b.width, c = b.height);
            var e = u.getTextureType(this.properties.precision, a);
            this._tex = a || this._tex ? u.getTargetTexture(a || this._tex, this._tex, this.properties.precision) : new GL.Texture(d, c, {type:e, format:gl.RGBA, filter:gl.LINEAR});
            e = "";
            this.properties.uvcode && (e = "uv = " + this.properties.uvcode, -1 != this.properties.uvcode.indexOf(";") && (e = this.properties.uvcode));
            var g = "";
            this.properties.pixelcode && (g = "result = " + this.properties.pixelcode, -1 != this.properties.pixelcode.indexOf(";") && (g = this.properties.pixelcode));
            var f = this._shader;
            if (!f || this._shader_code != e + "|" + g) {
              try {
                this._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, J.pixel_shader, {UV_CODE:e, PIXEL_CODE:g}), this.boxcolor = "#00FF00";
              } catch (Q) {
                console.log("Error compiling shader: ", Q);
                this.boxcolor = "#FF0000";
                return;
              }
              this.boxcolor = "#FF0000";
              this._shader_code = e + "|" + g;
              f = this._shader;
            }
            if (f) {
              this.boxcolor = "green";
              var l = this.getInputData(2);
              null != l ? this.properties.value = l : l = parseFloat(this.properties.value);
              var h = this.graph.getTime();
              this._tex.drawTo(function() {
                gl.disable(gl.DEPTH_TEST);
                gl.disable(gl.CULL_FACE);
                gl.disable(gl.BLEND);
                a && a.bind(0);
                b && b.bind(1);
                var e = Mesh.getScreenQuad();
                f.uniforms({u_texture:0, u_textureB:1, value:l, texSize:[d, c], time:h}).draw(e);
              });
              this.setOutputData(0, this._tex);
            } else {
              this.boxcolor = "red";
            }
          }
        }
      }
    };
    J.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform vec2 texSize;\n\r\n\t\t\tuniform float time;\n\r\n\t\t\tuniform float value;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord;\n\r\n\t\t\t\tUV_CODE;\n\r\n\t\t\t\tvec4 color4 = texture2D(u_texture, uv);\n\r\n\t\t\t\tvec3 color = color4.rgb;\n\r\n\t\t\t\tvec4 color4B = texture2D(u_textureB, uv);\n\r\n\t\t\t\tvec3 colorB = color4B.rgb;\n\r\n\t\t\t\tvec3 result = color;\n\r\n\t\t\t\tfloat alpha = 1.0;\n\r\n\t\t\t\tPIXEL_CODE;\n\r\n\t\t\t\tgl_FragColor = vec4(result, alpha);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/operation", J);
    v.title = "Shader";
    v.desc = "Texture shader";
    v.widgets_info = {code:{type:"code"}, precision:{widget:"combo", values:u.MODE_VALUES}};
    v.prototype.onPropertyChanged = function(a, b) {
      if ("code" == a && (a = this.getShader())) {
        b = a.uniformInfo;
        if (this.inputs) {
          for (var d = {}, c = 0; c < this.inputs.length; ++c) {
            var e = this.getInputInfo(c);
            e && (b[e.name] && !d[e.name] ? d[e.name] = !0 : (this.removeInput(c), c--));
          }
        }
        for (c in b) {
          if (e = a.uniformInfo[c], null !== e.loc && "time" != c) {
            if (this._shader.samplers[c]) {
              b = "texture";
            } else {
              switch(e.size) {
                case 1:
                  b = "number";
                  break;
                case 2:
                  b = "vec2";
                  break;
                case 3:
                  b = "vec3";
                  break;
                case 4:
                  b = "vec4";
                  break;
                case 9:
                  b = "mat3";
                  break;
                case 16:
                  b = "mat4";
                  break;
                default:
                  continue;
              }
            }
            d = this.findInputSlot(c);
            if (-1 != d && (e = this.getInputInfo(d))) {
              if (e.type == b) {
                continue;
              }
              this.removeInput(d, b);
            }
            this.addInput(c, b);
          }
        }
      }
    };
    v.prototype.getShader = function() {
      if (this._shader && this._shader_code == this.properties.code) {
        return this._shader;
      }
      this._shader_code = this.properties.code;
      this._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, v.pixel_shader + this.properties.code), this.boxcolor = "green";
      return this._shader;
    };
    v.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getShader();
        if (a) {
          for (var b = 0, d = null, c = 0; c < this.inputs.length; ++c) {
            var e = this.getInputInfo(c), g = this.getInputData(c);
            null != g && (g.constructor === GL.Texture && (g.bind(b), d || (d = g), g = b, b++), a.setUniform(e.name, g));
          }
          var f = this._uniforms;
          b = u.getTextureType(this.properties.precision, d);
          c = this.properties.width | 0;
          e = this.properties.height | 0;
          0 == c && (c = d ? d.width : gl.canvas.width);
          0 == e && (e = d ? d.height : gl.canvas.height);
          f.texSize[0] = c;
          f.texSize[1] = e;
          f.time = this.graph.getTime();
          this._tex && this._tex.type == b && this._tex.width == c && this._tex.height == e || (this._tex = new GL.Texture(c, e, {type:b, format:gl.RGBA, filter:gl.LINEAR}));
          this._tex.drawTo(function() {
            a.uniforms(f).draw(GL.Mesh.getScreenQuad());
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    v.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform float time;\n\r\n\t";
    e.registerNodeType("texture/shader", v);
    K.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    K.title = "Scale/Offset";
    K.desc = "Applies an scaling and offseting";
    K.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0) && a) {
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = a.width, d = a.height, c = this.precision === u.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT;
          this.precision === u.DEFAULT && (c = a.type);
          this._tex && this._tex.width == b && this._tex.height == d && this._tex.type == c || (this._tex = new GL.Texture(b, d, {type:c, format:gl.RGBA, filter:gl.LINEAR}));
          var e = this._shader;
          e || (e = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, K.pixel_shader));
          var g = this.getInputData(1);
          g ? (this.properties.scale[0] = g[0], this.properties.scale[1] = g[1]) : g = this.properties.scale;
          var f = this.getInputData(2);
          f ? (this.properties.offset[0] = f[0], this.properties.offset[1] = f[1]) : f = this.properties.offset;
          this._tex.drawTo(function() {
            gl.disable(gl.DEPTH_TEST);
            gl.disable(gl.CULL_FACE);
            gl.disable(gl.BLEND);
            a.bind(0);
            var b = Mesh.getScreenQuad();
            e.uniforms({u_texture:0, u_scale:g, u_offset:f}).draw(b);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    K.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform vec2 u_scale;\n\r\n\t\t\tuniform vec2 u_offset;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord;\n\r\n\t\t\t\tuv = uv / u_scale - u_offset;\n\r\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/scaleOffset", K);
    I.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    I.title = "Warp";
    I.desc = "Texture warp operation";
    I.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1), d = 512, c = 512;
          a ? (d = a.width, c = a.height) : b && (d = b.width, c = b.height);
          this._tex = a || this._tex ? u.getTargetTexture(a || this._tex, this._tex, this.properties.precision) : new GL.Texture(d, c, {type:this.precision === u.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT, format:gl.RGBA, filter:gl.LINEAR});
          var e = this._shader;
          e || (e = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, I.pixel_shader));
          var g = this.getInputData(2);
          null != g ? this.properties.factor = g : g = parseFloat(this.properties.factor);
          this._tex.drawTo(function() {
            gl.disable(gl.DEPTH_TEST);
            gl.disable(gl.CULL_FACE);
            gl.disable(gl.BLEND);
            a && a.bind(0);
            b && b.bind(1);
            var d = Mesh.getScreenQuad();
            e.uniforms({u_texture:0, u_textureB:1, u_factor:g}).draw(d);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    I.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform float u_factor;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord;\n\r\n\t\t\t\tuv += ( texture2D(u_textureB, uv).rg - vec2(0.5)) * u_factor;\n\r\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/warp", I);
    H.title = "to Viewport";
    H.desc = "Texture to viewport";
    H.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        this.properties.disable_alpha ? gl.disable(gl.BLEND) : (gl.enable(gl.BLEND), this.properties.additive ? gl.blendFunc(gl.SRC_ALPHA, gl.ONE) : gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA));
        gl.disable(gl.DEPTH_TEST);
        var b = this.properties.gamma || 1.0;
        this.isInputConnected(1) && (b = this.getInputData(1));
        a.setParameter(gl.TEXTURE_MAG_FILTER, this.properties.filter ? gl.LINEAR : gl.NEAREST);
        if (this.properties.antialiasing) {
          H._shader || (H._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, H.aa_pixel_shader));
          gl.getViewport();
          var d = Mesh.getScreenQuad();
          a.bind(0);
          H._shader.uniforms({u_texture:0, uViewportSize:[a.width, a.height], u_igamma:1 / b, inverseVP:[1 / a.width, 1 / a.height]}).draw(d);
        } else {
          1.0 != b ? (H._gamma_shader || (H._gamma_shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, H.gamma_pixel_shader)), a.toViewport(H._gamma_shader, {u_texture:0, u_igamma:1 / b})) : a.toViewport();
        }
      }
    };
    H.prototype.onGetInputs = function() {
      return [["gamma", "number"]];
    };
    H.aa_pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 uViewportSize;\n\r\n\t\t\tuniform vec2 inverseVP;\n\r\n\t\t\tuniform float u_igamma;\n\r\n\t\t\t#define FXAA_REDUCE_MIN   (1.0/ 128.0)\n\r\n\t\t\t#define FXAA_REDUCE_MUL   (1.0 / 8.0)\n\r\n\t\t\t#define FXAA_SPAN_MAX     8.0\n\r\n\t\t\t\n\r\n\t\t\t/* from mitsuhiko/webgl-meincraft based on the code on geeks3d.com */\n\r\n\t\t\tvec4 applyFXAA(sampler2D tex, vec2 fragCoord)\n\r\n\t\t\t{\n\r\n\t\t\t\tvec4 color = vec4(0.0);\n\r\n\t\t\t\t/*vec2 inverseVP = vec2(1.0 / uViewportSize.x, 1.0 / uViewportSize.y);*/\n\r\n\t\t\t\tvec3 rgbNW = texture2D(tex, (fragCoord + vec2(-1.0, -1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbNE = texture2D(tex, (fragCoord + vec2(1.0, -1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbSW = texture2D(tex, (fragCoord + vec2(-1.0, 1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbSE = texture2D(tex, (fragCoord + vec2(1.0, 1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbM  = texture2D(tex, fragCoord  * inverseVP).xyz;\n\r\n\t\t\t\tvec3 luma = vec3(0.299, 0.587, 0.114);\n\r\n\t\t\t\tfloat lumaNW = dot(rgbNW, luma);\n\r\n\t\t\t\tfloat lumaNE = dot(rgbNE, luma);\n\r\n\t\t\t\tfloat lumaSW = dot(rgbSW, luma);\n\r\n\t\t\t\tfloat lumaSE = dot(rgbSE, luma);\n\r\n\t\t\t\tfloat lumaM  = dot(rgbM,  luma);\n\r\n\t\t\t\tfloat lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));\n\r\n\t\t\t\tfloat lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));\n\r\n\t\t\t\t\n\r\n\t\t\t\tvec2 dir;\n\r\n\t\t\t\tdir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));\n\r\n\t\t\t\tdir.y =  ((lumaNW + lumaSW) - (lumaNE + lumaSE));\n\r\n\t\t\t\t\n\r\n\t\t\t\tfloat dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) * (0.25 * FXAA_REDUCE_MUL), FXAA_REDUCE_MIN);\n\r\n\t\t\t\t\n\r\n\t\t\t\tfloat rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);\n\r\n\t\t\t\tdir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX), max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX), dir * rcpDirMin)) * inverseVP;\n\r\n\t\t\t\t\n\r\n\t\t\t\tvec3 rgbA = 0.5 * (texture2D(tex, fragCoord * inverseVP + dir * (1.0 / 3.0 - 0.5)).xyz + \n\r\n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * (2.0 / 3.0 - 0.5)).xyz);\n\r\n\t\t\t\tvec3 rgbB = rgbA * 0.5 + 0.25 * (texture2D(tex, fragCoord * inverseVP + dir * -0.5).xyz + \n\r\n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * 0.5).xyz);\n\r\n\t\t\t\t\n\r\n\t\t\t\t//return vec4(rgbA,1.0);\n\r\n\t\t\t\tfloat lumaB = dot(rgbB, luma);\n\r\n\t\t\t\tif ((lumaB < lumaMin) || (lumaB > lumaMax))\n\r\n\t\t\t\t\tcolor = vec4(rgbA, 1.0);\n\r\n\t\t\t\telse\n\r\n\t\t\t\t\tcolor = vec4(rgbB, 1.0);\n\r\n\t\t\t\tif(u_igamma != 1.0)\n\r\n\t\t\t\t\tcolor.xyz = pow( color.xyz, vec3(u_igamma) );\n\r\n\t\t\t\treturn color;\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = applyFXAA( u_texture, v_coord * uViewportSize) ;\n\r\n\t\t\t}\n\r\n\t\t\t";
    H.gamma_pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_igamma;\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D( u_texture, v_coord);\n\r\n\t\t\t\tcolor.xyz = pow(color.xyz, vec3(u_igamma) );\n\r\n\t\t\t   gl_FragColor = color;\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/toviewport", H);
    E.title = "Copy";
    E.desc = "Copy Texture";
    E.widgets_info = {size:{widget:"combo", values:[0, 32, 64, 128, 256, 512, 1024, 2048]}, precision:{widget:"combo", values:u.MODE_VALUES}};
    E.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if ((a || this._temp_texture) && this.isOutputConnected(0)) {
        if (a) {
          var b = a.width, d = a.height;
          0 != this.properties.size && (d = b = this.properties.size);
          var c = this._temp_texture, e = a.type;
          this.properties.precision === u.LOW ? e = gl.UNSIGNED_BYTE : this.properties.precision === u.HIGH && (e = gl.HIGH_PRECISION_FORMAT);
          c && c.width == b && c.height == d && c.type == e || (c = gl.LINEAR, this.properties.generate_mipmaps && isPowerOfTwo(b) && isPowerOfTwo(d) && (c = gl.LINEAR_MIPMAP_LINEAR), this._temp_texture = new GL.Texture(b, d, {type:e, format:gl.RGBA, minFilter:c, magFilter:gl.LINEAR}));
          a.copyTo(this._temp_texture);
          this.properties.generate_mipmaps && (this._temp_texture.bind(0), gl.generateMipmap(this._temp_texture.texture_type), this._temp_texture.unbind(0));
        }
        this.setOutputData(0, this._temp_texture);
      }
    };
    e.registerNodeType("texture/copy", E);
    G.title = "Downsample";
    G.desc = "Downsample Texture";
    G.widgets_info = {iterations:{type:"number", step:1, precision:0, min:0}, precision:{widget:"combo", values:u.MODE_VALUES}};
    G.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if ((a || this._temp_texture) && this.isOutputConnected(0) && a && a.texture_type === GL.TEXTURE_2D) {
        if (1 > this.properties.iterations) {
          this.setOutputData(0, a);
        } else {
          var b = G._shader;
          b || (G._shader = b = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, G.pixel_shader));
          var d = a.width | 0, c = a.height | 0, e = a.type;
          this.properties.precision === u.LOW ? e = gl.UNSIGNED_BYTE : this.properties.precision === u.HIGH && (e = gl.HIGH_PRECISION_FORMAT);
          var g = this.properties.iterations || 1, f = a, l = [];
          e = {type:e, format:a.format};
          var h = vec2.create(), k = {u_offset:h};
          this._texture && GL.Texture.releaseTemporary(this._texture);
          for (var m = 0; m < g; ++m) {
            h[0] = 1 / d;
            h[1] = 1 / c;
            d = d >> 1 || 0;
            c = c >> 1 || 0;
            a = GL.Texture.getTemporary(d, c, e);
            l.push(a);
            f.setParameter(GL.TEXTURE_MAG_FILTER, GL.NEAREST);
            f.copyTo(a, b, k);
            if (1 == d && 1 == c) {
              break;
            }
            f = a;
          }
          this._texture = l.pop();
          for (m = 0; m < l.length; ++m) {
            GL.Texture.releaseTemporary(l[m]);
          }
          this.properties.generate_mipmaps && (this._texture.bind(0), gl.generateMipmap(this._texture.texture_type), this._texture.unbind(0));
          this.setOutputData(0, this._texture);
        }
      }
    };
    G.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_offset;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord );\n\r\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, 0.0 ) );\n\r\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( 0.0, u_offset.y ) );\n\r\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, u_offset.y ) );\n\r\n\t\t\t   gl_FragColor = color * 0.25;\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/downsample", G);
    m.title = "Average";
    m.desc = "Compute a partial average (32 random samples) of a texture and stores it as a 1x1 pixel texture";
    m.prototype.onExecute = function() {
      this.properties.use_previous_frame || this.updateAverage();
      var a = this._luminance;
      this.setOutputData(0, this._temp_texture);
      this.setOutputData(1, a);
      this.setOutputData(2, (a[0] + a[1] + a[2]) / 3);
    };
    m.prototype.onPreRenderExecute = function() {
      this.updateAverage();
    };
    m.prototype.updateAverage = function() {
      var a = this.getInputData(0);
      if (a && (this.isOutputConnected(0) || this.isOutputConnected(1) || this.isOutputConnected(2))) {
        if (!m._shader) {
          m._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, m.pixel_shader);
          for (var b = new Float32Array(32), d = 0; 32 > d; ++d) {
            b[d] = Math.random();
          }
          m._shader.uniforms({u_samples_a:b.subarray(0, 16), u_samples_b:b.subarray(16, 32)});
        }
        d = this._temp_texture;
        b = gl.UNSIGNED_BYTE;
        a.type != b && (b = gl.FLOAT);
        d && d.type == b || (this._temp_texture = new GL.Texture(1, 1, {type:b, format:gl.RGBA, filter:gl.NEAREST}));
        var c = m._shader, e = this._uniforms;
        e.u_mipmap_offset = this.properties.mipmap_offset;
        gl.disable(gl.DEPTH_TEST);
        gl.disable(gl.BLEND);
        this._temp_texture.drawTo(function() {
          a.toViewport(c, e);
        });
        if (this.isOutputConnected(1) || this.isOutputConnected(2)) {
          if (d = this._temp_texture.getPixels()) {
            var g = this._luminance;
            b = this._temp_texture.type;
            g.set(d);
            b == gl.UNSIGNED_BYTE && vec4.scale(g, g, 1 / 255);
          }
        }
      }
    };
    m.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tuniform mat4 u_samples_a;\n\r\n\t\t\tuniform mat4 u_samples_b;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_mipmap_offset;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = vec4(0.0);\n\r\n\t\t\t\tfor(int i = 0; i < 4; ++i)\n\r\n\t\t\t\t\tfor(int j = 0; j < 4; ++j)\n\r\n\t\t\t\t\t{\n\r\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( u_samples_a[i][j], u_samples_b[i][j] ), u_mipmap_offset );\n\r\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( 1.0 - u_samples_a[i][j], 1.0 - u_samples_b[i][j] ), u_mipmap_offset );\n\r\n\t\t\t\t\t}\n\r\n\t\t\t   gl_FragColor = color * 0.03125;\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/average", m);
    p.title = "Smooth";
    p.desc = "Smooth texture over time";
    p.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        p._shader || (p._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, p.pixel_shader));
        var b = this._temp_texture;
        b && b.type == a.type && b.width == a.width && b.height == a.height || (this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.NEAREST}), this._temp_texture2 = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.NEAREST}), a.copyTo(this._temp_texture2));
        b = this._temp_texture;
        var d = this._temp_texture2, c = p._shader, e = this._uniforms;
        e.u_factor = 1.0 - this.getInputOrProperty("factor");
        gl.disable(gl.BLEND);
        gl.disable(gl.DEPTH_TEST);
        b.drawTo(function() {
          d.bind(1);
          a.toViewport(c, e);
        });
        this.setOutputData(0, b);
        this._temp_texture = d;
        this._temp_texture2 = b;
      }
    };
    p.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tuniform float u_factor;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tgl_FragColor = mix( texture2D( u_texture, v_coord ), texture2D( u_textureB, v_coord ), u_factor );\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/temporal_smooth", p);
    d.title = "Image to Texture";
    d.desc = "Uploads an image to the GPU";
    d.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        var b = a.videoWidth || a.width, d = a.videoHeight || a.height;
        if (a.gltexture) {
          this.setOutputData(0, a.gltexture);
        } else {
          var c = this._temp_texture;
          c && c.width == b && c.height == d || (this._temp_texture = new GL.Texture(b, d, {format:gl.RGBA, filter:gl.LINEAR}));
          try {
            this._temp_texture.uploadImage(a);
          } catch (P) {
            console.error("image comes from an unsafe location, cannot be uploaded to webgl: " + P);
            return;
          }
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    e.registerNodeType("texture/imageToTexture", d);
    b.widgets_info = {texture:{widget:"texture"}, precision:{widget:"combo", values:u.MODE_VALUES}};
    b.title = "LUT";
    b.desc = "Apply LUT to Texture";
    b.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            var d = this.getInputData(1);
            d || (d = u.getTexture(this.properties.texture));
            if (d) {
              d.bind(0);
              gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
              gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
              gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
              gl.bindTexture(gl.TEXTURE_2D, null);
              var c = this.properties.intensity;
              this.isInputConnected(2) && (this.properties.intensity = c = this.getInputData(2));
              this._tex = u.getTargetTexture(a, this._tex, this.properties.precision);
              this._tex.drawTo(function() {
                d.bind(1);
                a.toViewport(b._shader, {u_texture:0, u_textureB:1, u_amount:c});
              });
              this.setOutputData(0, this._tex);
            } else {
              this.setOutputData(0, a);
            }
          }
        }
      }
    };
    b.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tuniform float u_amount;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\t lowp vec4 textureColor = clamp( texture2D(u_texture, v_coord), vec4(0.0), vec4(1.0) );\n\r\n\t\t\t\t mediump float blueColor = textureColor.b * 63.0;\n\r\n\t\t\t\t mediump vec2 quad1;\n\r\n\t\t\t\t quad1.y = floor(floor(blueColor) / 8.0);\n\r\n\t\t\t\t quad1.x = floor(blueColor) - (quad1.y * 8.0);\n\r\n\t\t\t\t mediump vec2 quad2;\n\r\n\t\t\t\t quad2.y = floor(ceil(blueColor) / 8.0);\n\r\n\t\t\t\t quad2.x = ceil(blueColor) - (quad2.y * 8.0);\n\r\n\t\t\t\t highp vec2 texPos1;\n\r\n\t\t\t\t texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\r\n\t\t\t\t texPos1.y = 1.0 - ((quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\r\n\t\t\t\t highp vec2 texPos2;\n\r\n\t\t\t\t texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\r\n\t\t\t\t texPos2.y = 1.0 - ((quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\r\n\t\t\t\t lowp vec4 newColor1 = texture2D(u_textureB, texPos1);\n\r\n\t\t\t\t lowp vec4 newColor2 = texture2D(u_textureB, texPos2);\n\r\n\t\t\t\t lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\n\r\n\t\t\t\t gl_FragColor = vec4( mix( textureColor.rgb, newColor.rgb, u_amount), textureColor.w);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/LUT", b);
    a.title = "Texture to Channels";
    a.desc = "Split texture channels";
    a.prototype.onExecute = function() {
      var b = this.getInputData(0);
      if (b) {
        this._channels || (this._channels = Array(4));
        for (var d = this.properties.use_luminance ? gl.LUMINANCE : gl.RGBA, c = 0, e = 0; 4 > e; e++) {
          this.isOutputConnected(e) ? (this._channels[e] && this._channels[e].width == b.width && this._channels[e].height == b.height && this._channels[e].type == b.type && this._channels[e].format == d || (this._channels[e] = new GL.Texture(b.width, b.height, {type:b.type, format:d, filter:gl.LINEAR})), c++) : this._channels[e] = null;
        }
        if (c) {
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var g = Mesh.getScreenQuad(), f = a._shader, l = [[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]];
          for (e = 0; 4 > e; e++) {
            this._channels[e] && (this._channels[e].drawTo(function() {
              b.bind(0);
              f.uniforms({u_texture:0, u_mask:l[e]}).draw(g);
            }), this.setOutputData(e, this._channels[e]));
          }
        }
      }
    };
    a.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec4 u_mask;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = vec4( vec3( length( texture2D(u_texture, v_coord) * u_mask )), 1.0 );\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/textureChannels", a);
    x.title = "Channels to Texture";
    x.desc = "Split texture channels";
    x.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    x.prototype.onExecute = function() {
      var a = u.getWhiteTexture(), b = this.getInputData(0) || a, d = this.getInputData(1) || a, c = this.getInputData(2) || a, e = this.getInputData(3) || a;
      gl.disable(gl.BLEND);
      gl.disable(gl.DEPTH_TEST);
      var g = Mesh.getScreenQuad();
      x._shader || (x._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, x.pixel_shader));
      var f = x._shader;
      a = Math.max(b.width, d.width, c.width, e.width);
      var l = Math.max(b.height, d.height, c.height, e.height), h = this.properties.precision == u.HIGH ? u.HIGH_PRECISION_FORMAT : gl.UNSIGNED_BYTE;
      this._texture && this._texture.width == a && this._texture.height == l && this._texture.type == h || (this._texture = new GL.Texture(a, l, {type:h, format:gl.RGBA, filter:gl.LINEAR}));
      a = this._color;
      a[0] = this.properties.R;
      a[1] = this.properties.G;
      a[2] = this.properties.B;
      a[3] = this.properties.A;
      var k = this._uniforms;
      this._texture.drawTo(function() {
        b.bind(0);
        d.bind(1);
        c.bind(2);
        e.bind(3);
        f.uniforms(k).draw(g);
      });
      this.setOutputData(0, this._texture);
    };
    x.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_textureR;\n\r\n\t\t\tuniform sampler2D u_textureG;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tuniform sampler2D u_textureA;\n\r\n\t\t\tuniform vec4 u_color;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = u_color * vec4( \r\n\t\t\t\t\t\ttexture2D(u_textureR, v_coord).r,\r\n\t\t\t\t\t\ttexture2D(u_textureG, v_coord).r,\r\n\t\t\t\t\t\ttexture2D(u_textureB, v_coord).r,\r\n\t\t\t\t\t\ttexture2D(u_textureA, v_coord).r);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/channelsTexture", x);
    l.title = "Color";
    l.desc = "Generates a 1x1 texture with a constant color";
    l.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    l.prototype.onDrawBackground = function(a) {
      var b = this.properties.color;
      a.fillStyle = "rgb(" + Math.floor(255 * Math.clamp(b[0], 0, 1)) + "," + Math.floor(255 * Math.clamp(b[1], 0, 1)) + "," + Math.floor(255 * Math.clamp(b[2], 0, 1)) + ")";
      this.flags.collapsed ? this.boxcolor = a.fillStyle : a.fillRect(0, 0, this.size[0], this.size[1]);
    };
    l.prototype.onExecute = function() {
      var a = this.properties.precision == u.HIGH ? u.HIGH_PRECISION_FORMAT : gl.UNSIGNED_BYTE;
      this._tex && this._tex.type == a || (this._tex = new GL.Texture(1, 1, {format:gl.RGBA, type:a, minFilter:gl.NEAREST}));
      a = this.properties.color;
      if (this.inputs) {
        for (var b = 0; b < this.inputs.length; b++) {
          var d = this.inputs[b], c = this.getInputData(b);
          if (void 0 !== c) {
            switch(d.name) {
              case "RGB":
              case "RGBA":
                a.set(c);
                break;
              case "R":
                a[0] = c;
                break;
              case "G":
                a[1] = c;
                break;
              case "B":
                a[2] = c;
                break;
              case "A":
                a[3] = c;
            }
          }
        }
      }
      0.001 < vec4.sqrDist(this._tex_color, a) && (this._tex_color.set(a), this._tex.fill(a));
      this.setOutputData(0, this._tex);
    };
    l.prototype.onGetInputs = function() {
      return [["RGB", "vec3"], ["RGBA", "vec4"], ["R", "number"], ["G", "number"], ["B", "number"], ["A", "number"]];
    };
    e.registerNodeType("texture/color", l);
    g.title = "Gradient";
    g.desc = "Generates a gradient";
    g["@A"] = {type:"color"};
    g["@B"] = {type:"color"};
    g["@texture_size"] = {type:"enum", values:[32, 64, 128, 256, 512]};
    g.prototype.onExecute = function() {
      gl.disable(gl.BLEND);
      gl.disable(gl.DEPTH_TEST);
      var a = GL.Mesh.getScreenQuad(), b = g._shader, d = this.getInputData(0);
      d || (d = this.properties.A);
      var c = this.getInputData(1);
      c || (c = this.properties.B);
      for (var e = 2; e < this.inputs.length; e++) {
        var f = this.inputs[e], l = this.getInputData(e);
        void 0 !== l && (this.properties[f.name] = l);
      }
      var h = this._uniforms;
      this._uniforms.u_angle = this.properties.angle * DEG2RAD;
      this._uniforms.u_scale = this.properties.scale;
      vec3.copy(h.u_colorA, d);
      vec3.copy(h.u_colorB, c);
      d = parseInt(this.properties.texture_size);
      this._tex && this._tex.width == d || (this._tex = new GL.Texture(d, d, {format:gl.RGB, filter:gl.LINEAR}));
      this._tex.drawTo(function() {
        b.uniforms(h).draw(a);
      });
      this.setOutputData(0, this._tex);
    };
    g.prototype.onGetInputs = function() {
      return [["angle", "number"], ["scale", "number"]];
    };
    g.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform float u_angle;\n\r\n\t\t\tuniform float u_scale;\n\r\n\t\t\tuniform vec3 u_colorA;\n\r\n\t\t\tuniform vec3 u_colorB;\n\r\n\t\t\t\n\r\n\t\t\tvec2 rotate(vec2 v, float angle)\n\r\n\t\t\t{\n\r\n\t\t\t\tvec2 result;\n\r\n\t\t\t\tfloat _cos = cos(angle);\n\r\n\t\t\t\tfloat _sin = sin(angle);\n\r\n\t\t\t\tresult.x = v.x * _cos - v.y * _sin;\n\r\n\t\t\t\tresult.y = v.x * _sin + v.y * _cos;\n\r\n\t\t\t\treturn result;\n\r\n\t\t\t}\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tfloat f = (rotate(u_scale * (v_coord - vec2(0.5)), u_angle) + vec2(0.5)).x;\n\r\n\t\t\t\tvec3 color = mix(u_colorA,u_colorB,clamp(f,0.0,1.0));\n\r\n\t\t\t   gl_FragColor = vec4(color,1.0);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/gradient", g);
    t.title = "Mix";
    t.desc = "Generates a texture mixing two textures";
    t.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    t.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1);
          if (a && b) {
            var d = this.getInputData(2), c = this.getInputData(3);
            this._tex = u.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var e = Mesh.getScreenQuad(), g = null, f = this._uniforms;
            d ? (g = t._shader_tex, g || (g = t._shader_tex = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, t.pixel_shader, {MIX_TEX:""}))) : (g = t._shader_factor, g || (g = t._shader_factor = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, t.pixel_shader)), c = null == c ? this.properties.factor : c, f.u_mix.set([c, c, c, c]));
            this._tex.drawTo(function() {
              a.bind(0);
              b.bind(1);
              d && d.bind(2);
              g.uniforms(f).draw(e);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    t.prototype.onGetInputs = function() {
      return [["factor", "number"]];
    };
    t.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_textureA;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\t#ifdef MIX_TEX\n\r\n\t\t\t\tuniform sampler2D u_textureMix;\n\r\n\t\t\t#else\n\r\n\t\t\t\tuniform vec4 u_mix;\n\r\n\t\t\t#endif\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\t#ifdef MIX_TEX\n\r\n\t\t\t\t   vec4 f = texture2D(u_textureMix, v_coord);\n\r\n\t\t\t\t#else\n\r\n\t\t\t\t   vec4 f = u_mix;\n\r\n\t\t\t\t#endif\n\r\n\t\t\t   gl_FragColor = mix( texture2D(u_textureA, v_coord), texture2D(u_textureB, v_coord), f );\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/mix", t);
    r.title = "Edges";
    r.desc = "Detects edges";
    r.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    r.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            this._tex = u.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var b = Mesh.getScreenQuad(), d = r._shader, c = this.properties.invert, e = this.properties.factor, g = this.properties.threshold ? 1 : 0;
            this._tex.drawTo(function() {
              a.bind(0);
              d.uniforms({u_texture:0, u_isize:[1 / a.width, 1 / a.height], u_factor:e, u_threshold:g, u_invert:c ? 1 : 0}).draw(b);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    r.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_isize;\n\r\n\t\t\tuniform int u_invert;\n\r\n\t\t\tuniform float u_factor;\n\r\n\t\t\tuniform float u_threshold;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 center = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tvec4 up = texture2D(u_texture, v_coord + u_isize * vec2(0.0,1.0) );\n\r\n\t\t\t\tvec4 down = texture2D(u_texture, v_coord + u_isize * vec2(0.0,-1.0) );\n\r\n\t\t\t\tvec4 left = texture2D(u_texture, v_coord + u_isize * vec2(1.0,0.0) );\n\r\n\t\t\t\tvec4 right = texture2D(u_texture, v_coord + u_isize * vec2(-1.0,0.0) );\n\r\n\t\t\t\tvec4 diff = abs(center - up) + abs(center - down) + abs(center - left) + abs(center - right);\n\r\n\t\t\t\tdiff *= u_factor;\n\r\n\t\t\t\tif(u_invert == 1)\n\r\n\t\t\t\t\tdiff.xyz = vec3(1.0) - diff.xyz;\n\r\n\t\t\t\tif( u_threshold == 0.0 )\n\r\n\t\t\t\t\tgl_FragColor = vec4( diff.xyz, center.a );\n\r\n\t\t\t\telse\n\r\n\t\t\t\t\tgl_FragColor = vec4( diff.x > 0.5 ? 1.0 : 0.0, diff.y > 0.5 ? 1.0 : 0.0, diff.z > 0.5 ? 1.0 : 0.0, center.a );\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/edges", r);
    A.title = "Depth Range";
    A.desc = "Generates a texture with a depth range";
    A.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (a) {
          var b = gl.UNSIGNED_BYTE;
          this.properties.high_precision && (b = gl.half_float_ext ? gl.HALF_FLOAT_OES : gl.FLOAT);
          this._temp_texture && this._temp_texture.type == b && this._temp_texture.width == a.width && this._temp_texture.height == a.height || (this._temp_texture = new GL.Texture(a.width, a.height, {type:b, format:gl.RGBA, filter:gl.LINEAR}));
          var d = this._uniforms;
          b = this.properties.distance;
          this.isInputConnected(1) && (b = this.getInputData(1), this.properties.distance = b);
          var c = this.properties.range;
          this.isInputConnected(2) && (c = this.getInputData(2), this.properties.range = c);
          d.u_distance = b;
          d.u_range = c;
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var e = Mesh.getScreenQuad();
          A._shader || (A._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, A.pixel_shader), A._shader_onlydepth = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, A.pixel_shader, {ONLY_DEPTH:""}));
          var g = this.properties.only_depth ? A._shader_onlydepth : A._shader;
          b = null;
          b = a.near_far_planes ? a.near_far_planes : window.LS && LS.Renderer._main_camera ? LS.Renderer._main_camera._uniforms.u_camera_planes : [0.1, 1000];
          d.u_camera_planes = b;
          this._temp_texture.drawTo(function() {
            a.bind(0);
            g.uniforms(d).draw(e);
          });
          this._temp_texture.near_far_planes = b;
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    A.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform float u_distance;\n\r\n\t\t\tuniform float u_range;\n\r\n\t\t\t\n\r\n\t\t\tfloat LinearDepth()\n\r\n\t\t\t{\n\r\n\t\t\t\tfloat zNear = u_camera_planes.x;\n\r\n\t\t\t\tfloat zFar = u_camera_planes.y;\n\r\n\t\t\t\tfloat depth = texture2D(u_texture, v_coord).x;\n\r\n\t\t\t\tdepth = depth * 2.0 - 1.0;\n\r\n\t\t\t\treturn zNear * (depth + 1.0) / (zFar + zNear - depth * (zFar - zNear));\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tfloat depth = LinearDepth();\n\r\n\t\t\t\t#ifdef ONLY_DEPTH\n\r\n\t\t\t\t   gl_FragColor = vec4(depth);\n\r\n\t\t\t\t#else\n\r\n\t\t\t\t\tfloat diff = abs(depth * u_camera_planes.y - u_distance);\n\r\n\t\t\t\t\tfloat dof = 1.0;\n\r\n\t\t\t\t\tif(diff <= u_range)\n\r\n\t\t\t\t\t\tdof = diff / u_range;\n\r\n\t\t\t\t   gl_FragColor = vec4(dof);\n\r\n\t\t\t\t#endif\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("texture/depth_range", A);
    D.title = "Blur";
    D.desc = "Blur a texture";
    D.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    D.max_iterations = 20;
    D.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        var b = this._final_texture;
        b && b.width == a.width && b.height == a.height && b.type == a.type || (b = this._final_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
        var d = this.properties.iterations;
        this.isInputConnected(1) && (d = this.getInputData(1), this.properties.iterations = d);
        d = Math.min(Math.floor(d), D.max_iterations);
        if (0 == d) {
          this.setOutputData(0, a);
        } else {
          var c = this.properties.intensity;
          this.isInputConnected(2) && (c = this.getInputData(2), this.properties.intensity = c);
          var g = e.camera_aspect;
          g || void 0 === window.gl || (g = gl.canvas.height / gl.canvas.width);
          g || (g = 1);
          g = this.properties.preserve_aspect ? g : 1;
          var f = this.properties.scale || [1, 1];
          a.applyBlur(g * f[0], f[1], c, b);
          for (a = 1; a < d; ++a) {
            b.applyBlur(g * f[0] * (a + 1), f[1] * (a + 1), c);
          }
          this.setOutputData(0, b);
        }
      }
    };
    e.registerNodeType("texture/blur", D);
    c.title = "Glow";
    c.desc = "Filters a texture giving it a glow effect";
    c.weights = new Float32Array([0.5, 0.4, 0.3, 0.2]);
    c.widgets_info = {iterations:{type:"number", min:0, max:16, step:1, precision:0}, threshold:{type:"number", min:0, max:10, step:0.01, precision:2}, precision:{widget:"combo", values:u.MODE_VALUES}};
    c.prototype.onGetInputs = function() {
      return [["enabled", "boolean"], ["threshold", "number"], ["intensity", "number"], ["persistence", "number"], ["iterations", "number"], ["dirt_factor", "number"]];
    };
    c.prototype.onGetOutputs = function() {
      return [["average", "Texture"]];
    };
    c.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isAnyOutputConnected()) {
        if (this.properties.precision === u.PASS_THROUGH || !1 === this.getInputOrProperty("enabled")) {
          this.setOutputData(0, a);
        } else {
          var b = a.width, d = a.height, e = {format:a.format, type:a.type, minFilter:GL.LINEAR, magFilter:GL.LINEAR, wrap:gl.CLAMP_TO_EDGE}, g = u.getTextureType(this.properties.precision, a), f = this._uniforms, l = this._textures, h = c._cut_shader;
          h || (h = c._cut_shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, c.cut_pixel_shader));
          gl.disable(gl.DEPTH_TEST);
          gl.disable(gl.BLEND);
          f.u_threshold = this.getInputOrProperty("threshold");
          var k = l[0] = GL.Texture.getTemporary(b, d, e);
          a.blit(k, h.uniforms(f));
          var m = k, n = this.getInputOrProperty("iterations");
          n = Math.clamp(n, 1, 16) | 0;
          var p = f.u_texel_size, r = this.getInputOrProperty("intensity");
          f.u_intensity = 1;
          f.u_delta = this.properties.scale;
          h = c._shader;
          h || (h = c._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, c.scale_pixel_shader));
          for (var t = 1; t < n; t++) {
            b >>= 1;
            1 < (d | 0) && (d >>= 1);
            if (2 > b) {
              break;
            }
            k = l[t] = GL.Texture.getTemporary(b, d, e);
            p[0] = 1 / m.width;
            p[1] = 1 / m.height;
            m.blit(k, h.uniforms(f));
            m = k;
          }
          this.isOutputConnected(2) && (b = this._average_texture, b && b.type == a.type && b.format == a.format || (b = this._average_texture = new GL.Texture(1, 1, {type:a.type, format:a.format, filter:gl.LINEAR})), p[0] = 1 / m.width, p[1] = 1 / m.height, f.u_intensity = r, f.u_delta = 1, m.blit(b, h.uniforms(f)), this.setOutputData(2, b));
          gl.enable(gl.BLEND);
          gl.blendFunc(gl.ONE, gl.ONE);
          f.u_intensity = this.getInputOrProperty("persistence");
          f.u_delta = 0.5;
          for (t -= 2; 0 <= t; t--) {
            k = l[t], l[t] = null, p[0] = 1 / m.width, p[1] = 1 / m.height, m.blit(k, h.uniforms(f)), GL.Texture.releaseTemporary(m), m = k;
          }
          gl.disable(gl.BLEND);
          this.isOutputConnected(1) && (l = this._glow_texture, l && l.width == a.width && l.height == a.height && l.type == g && l.format == a.format || (l = this._glow_texture = new GL.Texture(a.width, a.height, {type:g, format:a.format, filter:gl.LINEAR})), m.blit(l), this.setOutputData(1, l));
          if (this.isOutputConnected(0)) {
            l = this._final_texture;
            l && l.width == a.width && l.height == a.height && l.type == g && l.format == a.format || (l = this._final_texture = new GL.Texture(a.width, a.height, {type:g, format:a.format, filter:gl.LINEAR}));
            var q = this.getInputData(1), x = this.getInputOrProperty("dirt_factor");
            f.u_intensity = r;
            h = q ? c._dirt_final_shader : c._final_shader;
            h || (h = q ? c._dirt_final_shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, c.final_pixel_shader, {USE_DIRT:""}) : c._final_shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, c.final_pixel_shader));
            l.drawTo(function() {
              a.bind(0);
              m.bind(1);
              q && (h.setUniform("u_dirt_factor", x), h.setUniform("u_dirt_texture", q.bind(2)));
              h.toViewport(f);
            });
            this.setOutputData(0, l);
          }
          GL.Texture.releaseTemporary(m);
        }
      }
    };
    c.cut_pixel_shader = "precision highp float;\n\r\n\t\tvarying vec2 v_coord;\n\r\n\t\tuniform sampler2D u_texture;\n\r\n\t\tuniform float u_threshold;\n\r\n\t\tvoid main() {\n\r\n\t\t\tgl_FragColor = max( texture2D( u_texture, v_coord ) - vec4( u_threshold ), vec4(0.0) );\n\r\n\t\t}";
    c.scale_pixel_shader = "precision highp float;\n\r\n\t\tvarying vec2 v_coord;\n\r\n\t\tuniform sampler2D u_texture;\n\r\n\t\tuniform vec2 u_texel_size;\n\r\n\t\tuniform float u_delta;\n\r\n\t\tuniform float u_intensity;\n\r\n\t\t\n\r\n\t\tvec4 sampleBox(vec2 uv) {\n\r\n\t\t\tvec4 o = u_texel_size.xyxy * vec2(-u_delta, u_delta).xxyy;\n\r\n\t\t\tvec4 s = texture2D( u_texture, uv + o.xy ) + texture2D( u_texture, uv + o.zy) + texture2D( u_texture, uv + o.xw) + texture2D( u_texture, uv + o.zw);\n\r\n\t\t\treturn s * 0.25;\n\r\n\t\t}\n\r\n\t\tvoid main() {\n\r\n\t\t\tgl_FragColor = u_intensity * sampleBox( v_coord );\n\r\n\t\t}";
    c.final_pixel_shader = "precision highp float;\n\r\n\t\tvarying vec2 v_coord;\n\r\n\t\tuniform sampler2D u_texture;\n\r\n\t\tuniform sampler2D u_glow_texture;\n\r\n\t\t#ifdef USE_DIRT\n\r\n\t\t\tuniform sampler2D u_dirt_texture;\n\r\n\t\t#endif\n\r\n\t\tuniform vec2 u_texel_size;\n\r\n\t\tuniform float u_delta;\n\r\n\t\tuniform float u_intensity;\n\r\n\t\tuniform float u_dirt_factor;\n\r\n\t\t\n\r\n\t\tvec4 sampleBox(vec2 uv) {\n\r\n\t\t\tvec4 o = u_texel_size.xyxy * vec2(-u_delta, u_delta).xxyy;\n\r\n\t\t\tvec4 s = texture2D( u_glow_texture, uv + o.xy ) + texture2D( u_glow_texture, uv + o.zy) + texture2D( u_glow_texture, uv + o.xw) + texture2D( u_glow_texture, uv + o.zw);\n\r\n\t\t\treturn s * 0.25;\n\r\n\t\t}\n\r\n\t\tvoid main() {\n\r\n\t\t\tvec4 glow = sampleBox( v_coord );\n\r\n\t\t\t#ifdef USE_DIRT\n\r\n\t\t\t\tglow = mix( glow, glow * texture2D( u_dirt_texture, v_coord ), u_dirt_factor );\n\r\n\t\t\t#endif\n\r\n\t\t\tgl_FragColor = texture2D( u_texture, v_coord ) + u_intensity * glow;\n\r\n\t\t}";
    e.registerNodeType("texture/glow", c);
    C.title = "Kuwahara Filter";
    C.desc = "Filters a texture giving an artistic oil canvas painting";
    C.max_radius = 10;
    C._shaders = [];
    C.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        var b = this._temp_texture;
        b && b.width == a.width && b.height == a.height && b.type == a.type || (this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
        b = this.properties.radius;
        b = Math.min(Math.floor(b), C.max_radius);
        if (0 == b) {
          this.setOutputData(0, a);
        } else {
          var d = this.properties.intensity, c = e.camera_aspect;
          c || void 0 === window.gl || (c = gl.canvas.height / gl.canvas.width);
          c || (c = 1);
          c = this.properties.preserve_aspect ? c : 1;
          C._shaders[b] || (C._shaders[b] = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, C.pixel_shader, {RADIUS:b.toFixed(0)}));
          var g = C._shaders[b], f = GL.Mesh.getScreenQuad();
          a.bind(0);
          this._temp_texture.drawTo(function() {
            g.uniforms({u_texture:0, u_intensity:d, u_resolution:[a.width, a.height], u_iResolution:[1 / a.width, 1 / a.height]}).draw(f);
          });
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    C.pixel_shader = "\n\r\n\tprecision highp float;\n\r\n\tvarying vec2 v_coord;\n\r\n\tuniform sampler2D u_texture;\n\r\n\tuniform float u_intensity;\n\r\n\tuniform vec2 u_resolution;\n\r\n\tuniform vec2 u_iResolution;\n\r\n\t#ifndef RADIUS\n\r\n\t\t#define RADIUS 7\n\r\n\t#endif\n\r\n\tvoid main() {\n\r\n\t\n\r\n\t\tconst int radius = RADIUS;\n\r\n\t\tvec2 fragCoord = v_coord;\n\r\n\t\tvec2 src_size = u_iResolution;\n\r\n\t\tvec2 uv = v_coord;\n\r\n\t\tfloat n = float((radius + 1) * (radius + 1));\n\r\n\t\tint i;\n\r\n\t\tint j;\n\r\n\t\tvec3 m0 = vec3(0.0); vec3 m1 = vec3(0.0); vec3 m2 = vec3(0.0); vec3 m3 = vec3(0.0);\n\r\n\t\tvec3 s0 = vec3(0.0); vec3 s1 = vec3(0.0); vec3 s2 = vec3(0.0); vec3 s3 = vec3(0.0);\n\r\n\t\tvec3 c;\n\r\n\t\t\n\r\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\r\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm0 += c;\n\r\n\t\t\t\ts0 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\r\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm1 += c;\n\r\n\t\t\t\ts1 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\r\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm2 += c;\n\r\n\t\t\t\ts2 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\r\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm3 += c;\n\r\n\t\t\t\ts3 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfloat min_sigma2 = 1e+2;\n\r\n\t\tm0 /= n;\n\r\n\t\ts0 = abs(s0 / n - m0 * m0);\n\r\n\t\t\n\r\n\t\tfloat sigma2 = s0.r + s0.g + s0.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m0, 1.0);\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tm1 /= n;\n\r\n\t\ts1 = abs(s1 / n - m1 * m1);\n\r\n\t\t\n\r\n\t\tsigma2 = s1.r + s1.g + s1.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m1, 1.0);\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tm2 /= n;\n\r\n\t\ts2 = abs(s2 / n - m2 * m2);\n\r\n\t\t\n\r\n\t\tsigma2 = s2.r + s2.g + s2.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m2, 1.0);\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tm3 /= n;\n\r\n\t\ts3 = abs(s3 / n - m3 * m3);\n\r\n\t\t\n\r\n\t\tsigma2 = s3.r + s3.g + s3.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m3, 1.0);\n\r\n\t\t}\n\r\n\t}\n\r\n\t";
    e.registerNodeType("texture/kuwahara", C);
    z.title = "Webcam";
    z.desc = "Webcam texture";
    z.is_webcam_open = !1;
    z.prototype.openStream = function() {
      if (navigator.getUserMedia) {
        this._waiting_confirmation = !0;
        navigator.mediaDevices.getUserMedia({audio:!1, video:{facingMode:this.properties.facingMode}}).then(this.streamReady.bind(this)).catch(function(b) {
          z.is_webcam_open = !1;
          console.log("Webcam rejected", b);
          a._webcam_stream = !1;
          a.boxcolor = "red";
          a.trigger("stream_error");
        });
        var a = this;
      }
    };
    z.prototype.closeStream = function() {
      if (this._webcam_stream) {
        var a = this._webcam_stream.getTracks();
        if (a.length) {
          for (var b = 0; b < a.length; ++b) {
            a[b].stop();
          }
        }
        z.is_webcam_open = !1;
        this._video = this._webcam_stream = null;
        this.boxcolor = "black";
        this.trigger("stream_closed");
      }
    };
    z.prototype.streamReady = function(a) {
      this._webcam_stream = a;
      this.boxcolor = "green";
      var b = this._video;
      b || (b = document.createElement("video"), b.autoplay = !0, b.srcObject = a, this._video = b, b.onloadedmetadata = function(a) {
        z.is_webcam_open = !0;
        console.log(a);
      });
      this.trigger("stream_ready", b);
    };
    z.prototype.onPropertyChanged = function(a, b) {
      "facingMode" == a && (this.properties.facingMode = b, this.closeStream(), this.openStream());
    };
    z.prototype.onRemoved = function() {
      if (this._webcam_stream) {
        var a = this._webcam_stream.getTracks();
        if (a.length) {
          for (var b = 0; b < a.length; ++b) {
            a[b].stop();
          }
        }
        this._video = this._webcam_stream = null;
      }
    };
    z.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !this._video || (a.save(), a.webgl ? this._video_texture && a.drawImage(this._video_texture, 0, 0, this.size[0], this.size[1]) : a.drawImage(this._video, 0, 0, this.size[0], this.size[1]), a.restore());
    };
    z.prototype.onExecute = function() {
      null != this._webcam_stream || this._waiting_confirmation || this.openStream();
      if (this._video && this._video.videoWidth) {
        var a = this._video.videoWidth, b = this._video.videoHeight, d = this._video_texture;
        d && d.width == a && d.height == b || (this._video_texture = new GL.Texture(a, b, {format:gl.RGB, filter:gl.LINEAR}));
        this._video_texture.uploadImage(this._video);
        this._video_texture.version = ++this.version;
        this.properties.texture_name && (u.getTexturesContainer()[this.properties.texture_name] = this._video_texture);
        this.setOutputData(0, this._video_texture);
        for (a = 1; a < this.outputs.length; ++a) {
          if (this.outputs[a]) {
            switch(this.outputs[a].name) {
              case "width":
                this.setOutputData(a, this._video.videoWidth);
                break;
              case "height":
                this.setOutputData(a, this._video.videoHeight);
            }
          }
        }
      }
    };
    z.prototype.onGetOutputs = function() {
      return [["width", "number"], ["height", "number"], ["stream_ready", e.EVENT], ["stream_closed", e.EVENT], ["stream_error", e.EVENT]];
    };
    e.registerNodeType("texture/webcam", z);
    B.title = "Lens FX";
    B.desc = "distortion and chromatic aberration";
    B.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    B.prototype.onGetInputs = function() {
      return [["enabled", "boolean"]];
    };
    B.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        if (this.properties.precision === u.PASS_THROUGH || !1 === this.getInputOrProperty("enabled")) {
          this.setOutputData(0, a);
        } else {
          var b = this._temp_texture;
          b && b.width == a.width && b.height == a.height && b.type == a.type || (b = this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
          var d = B._shader;
          d || (d = B._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, B.pixel_shader));
          var c = this.getInputData(1);
          null == c && (c = this.properties.factor);
          var e = this._uniforms;
          e.u_factor = c;
          gl.disable(gl.DEPTH_TEST);
          b.drawTo(function() {
            a.bind(0);
            d.uniforms(e).draw(GL.Mesh.getScreenQuad());
          });
          this.setOutputData(0, b);
        }
      }
    };
    B.pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_factor;\n\r\n\t\t\tvec2 barrelDistortion(vec2 coord, float amt) {\n\r\n\t\t\t\tvec2 cc = coord - 0.5;\n\r\n\t\t\t\tfloat dist = dot(cc, cc);\n\r\n\t\t\t\treturn coord + cc * dist * amt;\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tfloat sat( float t )\n\r\n\t\t\t{\n\r\n\t\t\t\treturn clamp( t, 0.0, 1.0 );\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tfloat linterp( float t ) {\n\r\n\t\t\t\treturn sat( 1.0 - abs( 2.0*t - 1.0 ) );\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tfloat remap( float t, float a, float b ) {\n\r\n\t\t\t\treturn sat( (t - a) / (b - a) );\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tvec4 spectrum_offset( float t ) {\n\r\n\t\t\t\tvec4 ret;\n\r\n\t\t\t\tfloat lo = step(t,0.5);\n\r\n\t\t\t\tfloat hi = 1.0-lo;\n\r\n\t\t\t\tfloat w = linterp( remap( t, 1.0/6.0, 5.0/6.0 ) );\n\r\n\t\t\t\tret = vec4(lo,1.0,hi, 1.) * vec4(1.0-w, w, 1.0-w, 1.);\n\r\n\t\t\t\n\r\n\t\t\t\treturn pow( ret, vec4(1.0/2.2) );\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tconst float max_distort = 2.2;\n\r\n\t\t\tconst int num_iter = 12;\n\r\n\t\t\tconst float reci_num_iter_f = 1.0 / float(num_iter);\n\r\n\t\t\t\n\r\n\t\t\tvoid main()\n\r\n\t\t\t{\t\n\r\n\t\t\t\tvec2 uv=v_coord;\n\r\n\t\t\t\tvec4 sumcol = vec4(0.0);\n\r\n\t\t\t\tvec4 sumw = vec4(0.0);\t\n\r\n\t\t\t\tfor ( int i=0; i<num_iter;++i )\n\r\n\t\t\t\t{\n\r\n\t\t\t\t\tfloat t = float(i) * reci_num_iter_f;\n\r\n\t\t\t\t\tvec4 w = spectrum_offset( t );\n\r\n\t\t\t\t\tsumw += w;\n\r\n\t\t\t\t\tsumcol += w * texture2D( u_texture, barrelDistortion(uv, .6 * max_distort*t * u_factor ) );\n\r\n\t\t\t\t}\n\r\n\t\t\t\tgl_FragColor = sumcol / sumw;\n\r\n\t\t\t}";
    e.registerNodeType("texture/lensfx", B);
    y.title = "Exposition";
    y.desc = "Controls texture exposition";
    y.widgets_info = {exposition:{widget:"slider", min:0, max:3}, precision:{widget:"combo", values:u.MODE_VALUES}};
    y.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        var b = this._temp_texture;
        b && b.width == a.width && b.height == a.height && b.type == a.type || (b = this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
        var d = y._shader;
        d || (d = y._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, y.pixel_shader));
        var c = this.getInputData(1);
        null != c && (this.properties.exposition = c);
        var e = this._uniforms;
        b.drawTo(function() {
          gl.disable(gl.DEPTH_TEST);
          a.bind(0);
          d.uniforms(e).draw(GL.Mesh.getScreenQuad());
        });
        this.setOutputData(0, b);
      }
    };
    y.pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_exposition;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D( u_texture, v_coord );\n\r\n\t\t\t\tgl_FragColor = vec4( color.xyz * u_exposition, color.a );\n\r\n\t\t\t}";
    e.registerNodeType("texture/exposition", y);
    f.title = "Tone Mapping";
    f.desc = "Applies Tone Mapping to convert from high to low";
    f.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}};
    f.prototype.onGetInputs = function() {
      return [["enabled", "boolean"]];
    };
    f.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        if (this.properties.precision === u.PASS_THROUGH || !1 === this.getInputOrProperty("enabled")) {
          this.setOutputData(0, a);
        } else {
          var b = this._temp_texture;
          b && b.width == a.width && b.height == a.height && b.type == a.type || (b = this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
          var d = this.getInputData(1);
          null == d && (d = this.properties.average_lum);
          var c = this._uniforms, e = null;
          d.constructor === Number ? (this.properties.average_lum = d, c.u_average_lum = this.properties.average_lum, e = f._shader, e || (e = f._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, f.pixel_shader))) : d.constructor === GL.Texture && (c.u_average_texture = d.bind(1), e = f._shader_texture, e || (e = f._shader_texture = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, f.pixel_shader, {AVG_TEXTURE:""})));
          c.u_lumwhite2 = this.properties.lum_white * this.properties.lum_white;
          c.u_scale = this.properties.scale;
          c.u_igamma = 1 / this.properties.gamma;
          gl.disable(gl.DEPTH_TEST);
          b.drawTo(function() {
            a.bind(0);
            e.uniforms(c).draw(GL.Mesh.getScreenQuad());
          });
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    f.pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_scale;\n\r\n\t\t\t#ifdef AVG_TEXTURE\n\r\n\t\t\t\tuniform sampler2D u_average_texture;\n\r\n\t\t\t#else\n\r\n\t\t\t\tuniform float u_average_lum;\n\r\n\t\t\t#endif\n\r\n\t\t\tuniform float u_lumwhite2;\n\r\n\t\t\tuniform float u_igamma;\n\r\n\t\t\tvec3 RGB2xyY (vec3 rgb)\n\r\n\t\t\t{\n\r\n\t\t\t\t const mat3 RGB2XYZ = mat3(0.4124, 0.3576, 0.1805,\n\r\n\t\t\t\t\t\t\t\t\t\t   0.2126, 0.7152, 0.0722,\n\r\n\t\t\t\t\t\t\t\t\t\t   0.0193, 0.1192, 0.9505);\n\r\n\t\t\t\tvec3 XYZ = RGB2XYZ * rgb;\n\r\n\t\t\t\t\n\r\n\t\t\t\tfloat f = (XYZ.x + XYZ.y + XYZ.z);\n\r\n\t\t\t\treturn vec3(XYZ.x / f,\n\r\n\t\t\t\t\t\t\tXYZ.y / f,\n\r\n\t\t\t\t\t\t\tXYZ.y);\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D( u_texture, v_coord );\n\r\n\t\t\t\tvec3 rgb = color.xyz;\n\r\n\t\t\t\tfloat average_lum = 0.0;\n\r\n\t\t\t\t#ifdef AVG_TEXTURE\n\r\n\t\t\t\t\tvec3 pixel = texture2D(u_average_texture,vec2(0.5)).xyz;\n\r\n\t\t\t\t\taverage_lum = (pixel.x + pixel.y + pixel.z) / 3.0;\n\r\n\t\t\t\t#else\n\r\n\t\t\t\t\taverage_lum = u_average_lum;\n\r\n\t\t\t\t#endif\n\r\n\t\t\t\t//Ld - this part of the code is the same for both versions\n\r\n\t\t\t\tfloat lum = dot(rgb, vec3(0.2126, 0.7152, 0.0722));\n\r\n\t\t\t\tfloat L = (u_scale / average_lum) * lum;\n\r\n\t\t\t\tfloat Ld = (L * (1.0 + L / u_lumwhite2)) / (1.0 + L);\n\r\n\t\t\t\t//first\n\r\n\t\t\t\t//vec3 xyY = RGB2xyY(rgb);\n\r\n\t\t\t\t//xyY.z *= Ld;\n\r\n\t\t\t\t//rgb = xyYtoRGB(xyY);\n\r\n\t\t\t\t//second\n\r\n\t\t\t\trgb = (rgb / lum) * Ld;\n\r\n\t\t\t\trgb = pow( rgb, vec3( u_igamma ) );\n\r\n\t\t\t\tgl_FragColor = vec4( rgb, color.a );\n\r\n\t\t\t}";
    e.registerNodeType("texture/tonemapping", f);
    n.title = "Perlin";
    n.desc = "Generates a perlin noise texture";
    n.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}, width:{type:"Number", precision:0, step:1}, height:{type:"Number", precision:0, step:1}, octaves:{type:"Number", precision:0, step:1, min:1, max:50}};
    n.prototype.onGetInputs = function() {
      return [["seed", "Number"], ["persistence", "Number"], ["octaves", "Number"], ["scale", "Number"], ["amplitude", "Number"], ["offset", "vec2"]];
    };
    n.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.properties.width | 0, b = this.properties.height | 0;
        0 == a && (a = gl.viewport_data[2]);
        0 == b && (b = gl.viewport_data[3]);
        var d = u.getTextureType(this.properties.precision), c = this._texture;
        c && c.width == a && c.height == b && c.type == d || (c = this._texture = new GL.Texture(a, b, {type:d, format:gl.RGB, filter:gl.LINEAR}));
        var e = this.getInputOrProperty("persistence"), g = this.getInputOrProperty("octaves"), f = this.getInputOrProperty("offset"), l = this.getInputOrProperty("scale"), h = this.getInputOrProperty("amplitude"), k = this.getInputOrProperty("seed");
        d = "" + a + b + d + e + g + l + k + f[0] + f[1] + h;
        if (d != this._key) {
          this._key = d;
          var m = this._uniforms;
          m.u_persistence = e;
          m.u_octaves = g;
          m.u_offset.set(f);
          m.u_scale = l;
          m.u_amplitude = h;
          m.u_seed = 128 * k;
          m.u_viewport[0] = a;
          m.u_viewport[1] = b;
          var p = n._shader;
          p || (p = n._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, n.pixel_shader));
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          c.drawTo(function() {
            p.uniforms(m).draw(GL.Mesh.getScreenQuad());
          });
        }
        this.setOutputData(0, c);
      }
    };
    n.pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform vec2 u_offset;\n\r\n\t\t\tuniform float u_scale;\n\r\n\t\t\tuniform float u_persistence;\n\r\n\t\t\tuniform int u_octaves;\n\r\n\t\t\tuniform float u_amplitude;\n\r\n\t\t\tuniform vec2 u_viewport;\n\r\n\t\t\tuniform float u_seed;\n\r\n\t\t\t#define M_PI 3.14159265358979323846\n\r\n\t\t\t\n\r\n\t\t\tfloat rand(vec2 c){\treturn fract(sin(dot(c.xy ,vec2( 12.9898 + u_seed,78.233 + u_seed))) * 43758.5453); }\n\r\n\t\t\t\n\r\n\t\t\tfloat noise(vec2 p, float freq ){\n\r\n\t\t\t\tfloat unit = u_viewport.x/freq;\n\r\n\t\t\t\tvec2 ij = floor(p/unit);\n\r\n\t\t\t\tvec2 xy = mod(p,unit)/unit;\n\r\n\t\t\t\t//xy = 3.*xy*xy-2.*xy*xy*xy;\n\r\n\t\t\t\txy = .5*(1.-cos(M_PI*xy));\n\r\n\t\t\t\tfloat a = rand((ij+vec2(0.,0.)));\n\r\n\t\t\t\tfloat b = rand((ij+vec2(1.,0.)));\n\r\n\t\t\t\tfloat c = rand((ij+vec2(0.,1.)));\n\r\n\t\t\t\tfloat d = rand((ij+vec2(1.,1.)));\n\r\n\t\t\t\tfloat x1 = mix(a, b, xy.x);\n\r\n\t\t\t\tfloat x2 = mix(c, d, xy.x);\n\r\n\t\t\t\treturn mix(x1, x2, xy.y);\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tfloat pNoise(vec2 p, int res){\n\r\n\t\t\t\tfloat persistance = u_persistence;\n\r\n\t\t\t\tfloat n = 0.;\n\r\n\t\t\t\tfloat normK = 0.;\n\r\n\t\t\t\tfloat f = 4.;\n\r\n\t\t\t\tfloat amp = 1.0;\n\r\n\t\t\t\tint iCount = 0;\n\r\n\t\t\t\tfor (int i = 0; i<50; i++){\n\r\n\t\t\t\t\tn+=amp*noise(p, f);\n\r\n\t\t\t\t\tf*=2.;\n\r\n\t\t\t\t\tnormK+=amp;\n\r\n\t\t\t\t\tamp*=persistance;\n\r\n\t\t\t\t\tif (iCount >= res)\n\r\n\t\t\t\t\t\tbreak;\n\r\n\t\t\t\t\tiCount++;\n\r\n\t\t\t\t}\n\r\n\t\t\t\tfloat nf = n/normK;\n\r\n\t\t\t\treturn nf*nf*nf*nf;\n\r\n\t\t\t}\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord * u_scale * u_viewport + u_offset * u_scale;\n\r\n\t\t\t\tvec4 color = vec4( pNoise( uv, u_octaves ) * u_amplitude );\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}";
    e.registerNodeType("texture/perlin", n);
    h.title = "Canvas2D";
    h.desc = "Executes Canvas2D code inside a texture or the viewport";
    h.widgets_info = {precision:{widget:"combo", values:u.MODE_VALUES}, code:{type:"code"}, width:{type:"Number", precision:0, step:1}, height:{type:"Number", precision:0, step:1}};
    h.prototype.onPropertyChanged = function(a, b) {
      if ("code" == a && e.allow_scripts) {
        this._func = null;
        try {
          this._func = new Function("canvas", "ctx", "time", "script", b), this.boxcolor = "#00FF00";
        } catch (O) {
          this.boxcolor = "#FF0000", console.error("Error parsing script"), console.error(O);
        }
      }
    };
    h.prototype.onExecute = function() {
      var a = this._func;
      if (a && this.isOutputConnected(0)) {
        if (w.enableWebGLCanvas) {
          var b = this.properties.width || gl.canvas.width, d = this.properties.height || gl.canvas.height, c = this._temp_texture;
          c && c.width == b && c.height == d || (c = this._temp_texture = new GL.Texture(b, d, {format:gl.RGBA, filter:gl.LINEAR}));
          var e = this, g = this.graph.getTime();
          c.drawTo(function() {
            gl.start2D();
            try {
              a.draw ? a.draw.call(e, gl.canvas, gl, g, a) : a.call(e, gl.canvas, gl, g, a), e.boxcolor = "#00FF00";
            } catch (R) {
              e.boxcolor = "#FF0000", console.error("Error executing script"), console.error(R);
            }
            gl.finish2D();
          });
          this.setOutputData(0, c);
        } else {
          console.warn("cannot use LGraphTextureCanvas2D if Canvas2DtoWebGL is not included");
        }
      }
    };
    e.registerNodeType("texture/canvas2D", h);
    k.title = "Matte";
    k.desc = "Extracts background";
    k.widgets_info = {key_color:{widget:"color"}, precision:{widget:"combo", values:u.MODE_VALUES}};
    k.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === u.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            this._tex = u.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            this._uniforms || (this._uniforms = {u_texture:0, u_key_color:this.properties.key_color, u_threshold:1, u_slope:1});
            var b = this._uniforms, d = Mesh.getScreenQuad(), c = k._shader;
            c || (c = k._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, k.pixel_shader));
            b.u_key_color = this.properties.key_color;
            b.u_threshold = this.properties.threshold;
            b.u_slope = this.properties.slope;
            this._tex.drawTo(function() {
              a.bind(0);
              c.uniforms(b).draw(d);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    k.pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec3 u_key_color;\n\r\n\t\t\tuniform float u_threshold;\n\r\n\t\t\tuniform float u_slope;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec3 color = texture2D( u_texture, v_coord ).xyz;\n\r\n\t\t\t\tfloat diff = length( normalize(color) - normalize(u_key_color) );\n\r\n\t\t\t\tfloat edge = u_threshold * (1.0 - u_slope);\n\r\n\t\t\t\tfloat alpha = smoothstep( edge, u_threshold, diff);\n\r\n\t\t\t\tgl_FragColor = vec4( color, alpha );\n\r\n\t\t\t}";
    e.registerNodeType("texture/matte", k);
    q.title = "Cubemap";
    q.prototype.onDropFile = function(a, b, d) {
      a ? (this._drop_texture = "string" == typeof a ? GL.Texture.fromURL(a) : GL.Texture.fromDDSInMemory(a), this.properties.name = b) : (this._drop_texture = null, this.properties.name = "");
    };
    q.prototype.onExecute = function() {
      if (this._drop_texture) {
        this.setOutputData(0, this._drop_texture);
      } else {
        if (this.properties.name) {
          var a = u.getTexture(this.properties.name);
          a && (this._last_tex = a, this.setOutputData(0, a));
        }
      }
    };
    q.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !a.webgl || gl.meshes.cube || (gl.meshes.cube = GL.Mesh.cube({size:1}));
    };
    e.registerNodeType("texture/cubemap", q);
  }
})(this);
(function(w) {
  var e = w.LiteGraph;
  if ("undefined" != typeof GL) {
    var q = function() {
      this.addInput("Tex.", "Texture");
      this.addInput("intensity", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {intensity:1, invert:!1, precision:LGraphTexture.DEFAULT};
      q._shader || (q._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, q.pixel_shader));
    }, k = function() {
      this.addInput("Texture", "Texture");
      this.addInput("value1", "number");
      this.addInput("value2", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {fx:"halftone", value1:1, value2:1, precision:LGraphTexture.DEFAULT};
    }, h = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Blurred", "Texture");
      this.addInput("Mask", "Texture");
      this.addInput("Threshold", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {shape:"", size:10, alpha:1.0, threshold:1.0, high_precision:!1};
    }, n = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Aberration", "number");
      this.addInput("Distortion", "number");
      this.addInput("Blur", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {aberration:1.0, distortion:1.0, blur:1.0, precision:LGraphTexture.DEFAULT};
      n._shader || (n._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, n.pixel_shader), n._texture = new GL.Texture(3, 1, {format:gl.RGB, wrap:gl.CLAMP_TO_EDGE, magFilter:gl.LINEAR, minFilter:gl.LINEAR, pixel_data:[255, 0, 0, 0, 255, 0, 0, 0, 255]}));
    };
    n.title = "Lens";
    n.desc = "Camera Lens distortion";
    n.widgets_info = {precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    n.prototype.onExecute = function() {
      var e = this.getInputData(0);
      if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
        this.setOutputData(0, e);
      } else {
        if (e) {
          this._tex = LGraphTexture.getTargetTexture(e, this._tex, this.properties.precision);
          var h = this.properties.aberration;
          this.isInputConnected(1) && (h = this.getInputData(1), this.properties.aberration = h);
          var k = this.properties.distortion;
          this.isInputConnected(2) && (k = this.getInputData(2), this.properties.distortion = k);
          var q = this.properties.blur;
          this.isInputConnected(3) && (q = this.getInputData(3), this.properties.blur = q);
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var w = Mesh.getScreenQuad(), c = n._shader;
          this._tex.drawTo(function() {
            e.bind(0);
            c.uniforms({u_texture:0, u_aberration:h, u_distortion:k, u_blur:q}).draw(w);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    n.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform float u_aberration;\n\r\n\t\t\tuniform float u_distortion;\n\r\n\t\t\tuniform float u_blur;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 coord = v_coord;\n\r\n\t\t\t\tfloat dist = distance(vec2(0.5), coord);\n\r\n\t\t\t\tvec2 dist_coord = coord - vec2(0.5);\n\r\n\t\t\t\tfloat percent = 1.0 + ((0.5 - dist) / 0.5) * u_distortion;\n\r\n\t\t\t\tdist_coord *= percent;\n\r\n\t\t\t\tcoord = dist_coord + vec2(0.5);\n\r\n\t\t\t\tvec4 color = texture2D(u_texture,coord, u_blur * dist);\n\r\n\t\t\t\tcolor.r = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0+0.01*u_aberration), u_blur * dist ).r;\n\r\n\t\t\t\tcolor.b = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0-0.01*u_aberration), u_blur * dist ).b;\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("fx/lens", n);
    w.LGraphFXLens = n;
    h.title = "Bokeh";
    h.desc = "applies an Bokeh effect";
    h.widgets_info = {shape:{widget:"texture"}};
    h.prototype.onExecute = function() {
      var e = this.getInputData(0), k = this.getInputData(1), n = this.getInputData(2);
      if (e && n && this.properties.shape) {
        k || (k = e);
        var q = LGraphTexture.getTexture(this.properties.shape);
        if (q) {
          var w = this.properties.threshold;
          this.isInputConnected(3) && (w = this.getInputData(3), this.properties.threshold = w);
          var c = gl.UNSIGNED_BYTE;
          this.properties.high_precision && (c = gl.half_float_ext ? gl.HALF_FLOAT_OES : gl.FLOAT);
          this._temp_texture && this._temp_texture.type == c && this._temp_texture.width == e.width && this._temp_texture.height == e.height || (this._temp_texture = new GL.Texture(e.width, e.height, {type:c, format:gl.RGBA, filter:gl.LINEAR}));
          var D = h._first_shader;
          D || (D = h._first_shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, h._first_pixel_shader));
          var A = h._second_shader;
          A || (A = h._second_shader = new GL.Shader(h._second_vertex_shader, h._second_pixel_shader));
          var r = this._points_mesh;
          r && r._width == e.width && r._height == e.height && 2 == r._spacing || (r = this.createPointsMesh(e.width, e.height, 2));
          var t = Mesh.getScreenQuad(), g = this.properties.size, l = this.properties.alpha;
          gl.disable(gl.DEPTH_TEST);
          gl.disable(gl.BLEND);
          this._temp_texture.drawTo(function() {
            e.bind(0);
            k.bind(1);
            n.bind(2);
            D.uniforms({u_texture:0, u_texture_blur:1, u_mask:2, u_texsize:[e.width, e.height]}).draw(t);
          });
          this._temp_texture.drawTo(function() {
            gl.enable(gl.BLEND);
            gl.blendFunc(gl.ONE, gl.ONE);
            e.bind(0);
            q.bind(3);
            A.uniforms({u_texture:0, u_mask:2, u_shape:3, u_alpha:l, u_threshold:w, u_pointSize:g, u_itexsize:[1.0 / e.width, 1.0 / e.height]}).draw(r, gl.POINTS);
          });
          this.setOutputData(0, this._temp_texture);
        }
      } else {
        this.setOutputData(0, e);
      }
    };
    h.prototype.createPointsMesh = function(e, h, k) {
      for (var f = Math.round(e / k), n = Math.round(h / k), c = new Float32Array(f * n * 2), q = -1, y = 2 / e * k, r = 2 / h * k, t = 0; t < n; ++t) {
        for (var g = -1, l = 0; l < f; ++l) {
          var x = t * f * 2 + 2 * l;
          c[x] = g;
          c[x + 1] = q;
          g += y;
        }
        q += r;
      }
      this._points_mesh = GL.Mesh.load({vertices2D:c});
      this._points_mesh._width = e;
      this._points_mesh._height = h;
      this._points_mesh._spacing = k;
      return this._points_mesh;
    };
    h._first_pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_texture_blur;\n\r\n\t\t\tuniform sampler2D u_mask;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tvec4 blurred_color = texture2D(u_texture_blur, v_coord);\n\r\n\t\t\t\tfloat mask = texture2D(u_mask, v_coord).x;\n\r\n\t\t\t   gl_FragColor = mix(color, blurred_color, mask);\n\r\n\t\t\t}\n\r\n\t\t\t";
    h._second_vertex_shader = "precision highp float;\n\r\n\t\t\tattribute vec2 a_vertex2D;\n\r\n\t\t\tvarying vec4 v_color;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_mask;\n\r\n\t\t\tuniform vec2 u_itexsize;\n\r\n\t\t\tuniform float u_pointSize;\n\r\n\t\t\tuniform float u_threshold;\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 coord = a_vertex2D * 0.5 + 0.5;\n\r\n\t\t\t\tv_color = texture2D( u_texture, coord );\n\r\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(u_itexsize.x, 0.0) );\n\r\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(0.0, u_itexsize.y));\n\r\n\t\t\t\tv_color += texture2D( u_texture, coord + u_itexsize);\n\r\n\t\t\t\tv_color *= 0.25;\n\r\n\t\t\t\tfloat mask = texture2D(u_mask, coord).x;\n\r\n\t\t\t\tfloat luminance = length(v_color) * mask;\n\r\n\t\t\t\t/*luminance /= (u_pointSize*u_pointSize)*0.01 */;\n\r\n\t\t\t\tluminance -= u_threshold;\n\r\n\t\t\t\tif(luminance < 0.0)\n\r\n\t\t\t\t{\n\r\n\t\t\t\t\tgl_Position.x = -100.0;\n\r\n\t\t\t\t\treturn;\n\r\n\t\t\t\t}\n\r\n\t\t\t\tgl_PointSize = u_pointSize;\n\r\n\t\t\t\tgl_Position = vec4(a_vertex2D,0.0,1.0);\n\r\n\t\t\t}\n\r\n\t\t\t";
    h._second_pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec4 v_color;\n\r\n\t\t\tuniform sampler2D u_shape;\n\r\n\t\t\tuniform float u_alpha;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D( u_shape, gl_PointCoord );\n\r\n\t\t\t\tcolor *= v_color * u_alpha;\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}\n";
    e.registerNodeType("fx/bokeh", h);
    w.LGraphFXBokeh = h;
    k.title = "FX";
    k.desc = "applies an FX from a list";
    k.widgets_info = {fx:{widget:"combo", values:["halftone", "pixelate", "lowpalette", "noise", "gamma"]}, precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    k.shaders = {};
    k.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var e = this.getInputData(0);
        if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
          this.setOutputData(0, e);
        } else {
          if (e) {
            this._tex = LGraphTexture.getTargetTexture(e, this._tex, this.properties.precision);
            var h = this.properties.value1;
            this.isInputConnected(1) && (h = this.getInputData(1), this.properties.value1 = h);
            var n = this.properties.value2;
            this.isInputConnected(2) && (n = this.getInputData(2), this.properties.value2 = n);
            var q = this.properties.fx, C = k.shaders[q];
            if (!C) {
              var c = k["pixel_shader_" + q];
              if (!c) {
                return;
              }
              C = k.shaders[q] = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, c);
            }
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var D = Mesh.getScreenQuad();
            camera_planes = w.LS && LS.Renderer._current_camera ? [LS.Renderer._current_camera.near, LS.Renderer._current_camera.far] : [1, 100];
            var A = null;
            "noise" == q && (A = LGraphTexture.getNoiseTexture());
            this._tex.drawTo(function() {
              e.bind(0);
              "noise" == q && A.bind(1);
              C.uniforms({u_texture:0, u_noise:1, u_size:[e.width, e.height], u_rand:[Math.random(), Math.random()], u_value1:h, u_value2:n, u_camera_planes:camera_planes}).draw(D);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    k.pixel_shader_halftone = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\t\n\r\n\t\t\tfloat pattern() {\n\r\n\t\t\t\tfloat s = sin(u_value1 * 3.1415), c = cos(u_value1 * 3.1415);\n\r\n\t\t\t\tvec2 tex = v_coord * u_size.xy;\n\r\n\t\t\t\tvec2 point = vec2(\n\r\n\t\t\t\t   c * tex.x - s * tex.y ,\n\r\n\t\t\t\t   s * tex.x + c * tex.y \n\r\n\t\t\t\t) * u_value2;\n\r\n\t\t\t\treturn (sin(point.x) * sin(point.y)) * 4.0;\n\r\n\t\t\t}\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tfloat average = (color.r + color.g + color.b) / 3.0;\n\r\n\t\t\t\tgl_FragColor = vec4(vec3(average * 10.0 - 5.0 + pattern()), color.a);\n\r\n\t\t\t}\n";
    k.pixel_shader_pixelate = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 coord = vec2( floor(v_coord.x * u_value1) / u_value1, floor(v_coord.y * u_value2) / u_value2 );\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, coord);\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}\n";
    k.pixel_shader_lowpalette = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tgl_FragColor = floor(color * u_value1) / u_value1;\n\r\n\t\t\t}\n";
    k.pixel_shader_noise = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_noise;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\tuniform vec2 u_rand;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tvec3 noise = texture2D(u_noise, v_coord * vec2(u_size.x / 512.0, u_size.y / 512.0) + u_rand).xyz - vec3(0.5);\n\r\n\t\t\t\tgl_FragColor = vec4( color.xyz + noise * u_value1, color.a );\n\r\n\t\t\t}\n";
    k.pixel_shader_gamma = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tfloat gamma = 1.0 / u_value1;\n\r\n\t\t\t\tgl_FragColor = vec4( pow( color.xyz, vec3(gamma) ), color.a );\n\r\n\t\t\t}\n";
    e.registerNodeType("fx/generic", k);
    w.LGraphFXGeneric = k;
    q.title = "Vigneting";
    q.desc = "Vigneting";
    q.widgets_info = {precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    q.prototype.onExecute = function() {
      var e = this.getInputData(0);
      if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
        this.setOutputData(0, e);
      } else {
        if (e) {
          this._tex = LGraphTexture.getTargetTexture(e, this._tex, this.properties.precision);
          var h = this.properties.intensity;
          this.isInputConnected(1) && (h = this.getInputData(1), this.properties.intensity = h);
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var k = Mesh.getScreenQuad(), n = q._shader, w = this.properties.invert;
          this._tex.drawTo(function() {
            e.bind(0);
            n.uniforms({u_texture:0, u_intensity:h, u_isize:[1 / e.width, 1 / e.height], u_invert:w ? 1 : 0}).draw(k);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    q.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_intensity;\n\r\n\t\t\tuniform int u_invert;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tfloat luminance = 1.0 - length( v_coord - vec2(0.5) ) * 1.414;\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tif(u_invert == 1)\n\r\n\t\t\t\t\tluminance = 1.0 - luminance;\n\r\n\t\t\t\tluminance = mix(1.0, luminance, u_intensity);\n\r\n\t\t\t   gl_FragColor = vec4( luminance * color.xyz, color.a);\n\r\n\t\t\t}\n\r\n\t\t\t";
    e.registerNodeType("fx/vigneting", q);
    w.LGraphFXVigneting = q;
  }
})(this);
(function(w) {
  function e(c) {
    this.cmd = this.channel = 0;
    this.data = new Uint32Array(3);
    c && this.setup(c);
  }
  function q(c, e) {
    navigator.requestMIDIAccess ? (this.on_ready = c, this.state = {note:[], cc:[]}, navigator.requestMIDIAccess().then(this.onMIDISuccess.bind(this), this.onMIDIFailure.bind(this))) : (this.error = "not suppoorted", e ? e("Not supported") : console.error("MIDI NOT SUPPORTED, enable by chrome://flags"));
  }
  function k() {
    this.addOutput("on_midi", r.EVENT);
    this.addOutput("out", "midi");
    this.properties = {port:0};
    this._current_midi_event = this._last_midi_event = null;
    this.boxcolor = "#AAA";
    this._last_time = 0;
    var c = this;
    new q(function(e) {
      c._midi = e;
      if (c._waiting) {
        c.onStart();
      }
      c._waiting = !1;
    });
  }
  function h() {
    this.addInput("send", r.EVENT);
    this.properties = {port:0};
    var c = this;
    new q(function(e) {
      c._midi = e;
    });
  }
  function n() {
    this.addInput("on_midi", r.EVENT);
    this._str = "";
    this.size = [200, 40];
  }
  function f() {
    this.properties = {channel:-1, cmd:-1, min_value:-1, max_value:-1};
    var c = this;
    this._learning = !1;
    this.addWidget("button", "Learn", "", function() {
      c._learning = !0;
      c.boxcolor = "#FA3";
    });
    this.addInput("in", r.EVENT);
    this.addOutput("on_midi", r.EVENT);
    this.boxcolor = "#AAA";
  }
  function y() {
    this.properties = {channel:0, cmd:144, value1:1, value2:1};
    this.addInput("send", r.EVENT);
    this.addInput("assign", r.EVENT);
    this.addOutput("on_midi", r.EVENT);
    this.midi_event = new e;
    this.gate = !1;
  }
  function B() {
    this.properties = {cc:1, value:0};
    this.addOutput("value", "number");
  }
  function z() {
    this.addInput("generate", r.ACTION);
    this.addInput("scale", "string");
    this.addInput("octave", "number");
    this.addOutput("note", r.EVENT);
    this.properties = {notes:"A,A#,B,C,C#,D,D#,E,F,F#,G,G#", octave:2, duration:0.5, mode:"sequence"};
    this.notes_pitches = z.processScale(this.properties.notes);
    this.sequence_index = 0;
  }
  function C() {
    this.properties = {amount:0};
    this.addInput("in", r.ACTION);
    this.addInput("amount", "number");
    this.addOutput("out", r.EVENT);
    this.midi_event = new e;
  }
  function c() {
    this.properties = {scale:"A,A#,B,C,C#,D,D#,E,F,F#,G,G#"};
    this.addInput("note", r.ACTION);
    this.addInput("scale", "string");
    this.addOutput("out", r.EVENT);
    this.valid_notes = Array(12);
    this.offset_notes = Array(12);
    this.processScale(this.properties.scale);
  }
  function D() {
    this.properties = {volume:0.5, duration:1};
    this.addInput("note", r.ACTION);
    this.addInput("volume", "number");
    this.addInput("duration", "number");
    this.addOutput("note", r.EVENT);
    "undefined" == typeof AudioSynth ? (console.error("Audiosynth.js not included, LGMidiPlay requires that library"), this.boxcolor = "red") : this.instrument = (this.synth = new AudioSynth).createInstrument("piano");
  }
  function A() {
    this.properties = {num_octaves:2, start_octave:2};
    this.addInput("note", r.ACTION);
    this.addInput("reset", r.ACTION);
    this.addOutput("note", r.EVENT);
    this.size = [400, 100];
    this.keys = [];
    this._last_key = -1;
  }
  var r = w.LiteGraph;
  r.MIDIEvent = e;
  e.prototype.fromJSON = function(c) {
    this.setup(c.data);
  };
  e.prototype.setup = function(c) {
    var g = c;
    c.constructor === Object && (g = c.data);
    this.data.set(g);
    this.status = c = g[0];
    g = c & 240;
    this.cmd = 240 <= c ? c : g;
    this.cmd == e.NOTEON && 0 == this.velocity && (this.cmd = e.NOTEOFF);
    this.cmd_str = e.commands[this.cmd] || "";
    if (g >= e.NOTEON || g <= e.NOTEOFF) {
      this.channel = c & 15;
    }
  };
  Object.defineProperty(e.prototype, "velocity", {get:function() {
    return this.cmd == e.NOTEON ? this.data[2] : -1;
  }, set:function(c) {
    this.data[2] = c;
  }, enumerable:!0});
  e.notes = "A A# B C C# D D# E F F# G G#".split(" ");
  e.note_to_index = {A:0, "A#":1, B:2, C:3, "C#":4, D:5, "D#":6, E:7, F:8, "F#":9, G:10, "G#":11};
  Object.defineProperty(e.prototype, "note", {get:function() {
    return this.cmd != e.NOTEON ? -1 : e.toNoteString(this.data[1], !0);
  }, set:function(c) {
    throw "notes cannot be assigned this way, must modify the data[1]";
  }, enumerable:!0});
  Object.defineProperty(e.prototype, "octave", {get:function() {
    return this.cmd != e.NOTEON ? -1 : Math.floor((this.data[1] - 24) / 12 + 1);
  }, set:function(c) {
    throw "octave cannot be assigned this way, must modify the data[1]";
  }, enumerable:!0});
  e.prototype.getPitch = function() {
    return 440 * Math.pow(2, (this.data[1] - 69) / 12);
  };
  e.computePitch = function(c) {
    return 440 * Math.pow(2, (c - 69) / 12);
  };
  e.prototype.getCC = function() {
    return this.data[1];
  };
  e.prototype.getCCValue = function() {
    return this.data[2];
  };
  e.prototype.getPitchBend = function() {
    return this.data[1] + (this.data[2] << 7) - 8192;
  };
  e.computePitchBend = function(c, e) {
    return c + (e << 7) - 8192;
  };
  e.prototype.setCommandFromString = function(c) {
    this.cmd = e.computeCommandFromString(c);
  };
  e.computeCommandFromString = function(c) {
    if (!c) {
      return 0;
    }
    if (c && c.constructor === Number) {
      return c;
    }
    c = c.toUpperCase();
    switch(c) {
      case "NOTE ON":
      case "NOTEON":
        return e.NOTEON;
      case "NOTE OFF":
      case "NOTEOFF":
        return e.NOTEON;
      case "KEY PRESSURE":
      case "KEYPRESSURE":
        return e.KEYPRESSURE;
      case "CONTROLLER CHANGE":
      case "CONTROLLERCHANGE":
      case "CC":
        return e.CONTROLLERCHANGE;
      case "PROGRAM CHANGE":
      case "PROGRAMCHANGE":
      case "PC":
        return e.PROGRAMCHANGE;
      case "CHANNEL PRESSURE":
      case "CHANNELPRESSURE":
        return e.CHANNELPRESSURE;
      case "PITCH BEND":
      case "PITCHBEND":
        return e.PITCHBEND;
      case "TIME TICK":
      case "TIMETICK":
        return e.TIMETICK;
      default:
        return Number(c);
    }
  };
  e.toNoteString = function(c, f) {
    c = Math.round(c);
    var g = Math.floor((c - 24) / 12 + 1);
    c = (c - 21) % 12;
    0 > c && (c = 12 + c);
    return e.notes[c] + (f ? "" : g);
  };
  e.NoteStringToPitch = function(c) {
    c = c.toUpperCase();
    var g = c[0], f = 4;
    "#" == c[1] ? (g += "#", 2 < c.length && (f = Number(c[2]))) : 1 < c.length && (f = Number(c[1]));
    c = e.note_to_index[g];
    return null == c ? null : 12 * (f - 1) + c + 21;
  };
  e.prototype.toString = function() {
    var c = "" + this.channel + ". ";
    switch(this.cmd) {
      case e.NOTEON:
        c += "NOTEON " + e.toNoteString(this.data[1]);
        break;
      case e.NOTEOFF:
        c += "NOTEOFF " + e.toNoteString(this.data[1]);
        break;
      case e.CONTROLLERCHANGE:
        c += "CC " + this.data[1] + " " + this.data[2];
        break;
      case e.PROGRAMCHANGE:
        c += "PC " + this.data[1];
        break;
      case e.PITCHBEND:
        c += "PITCHBEND " + this.getPitchBend();
        break;
      case e.KEYPRESSURE:
        c += "KEYPRESS " + this.data[1];
    }
    return c;
  };
  e.prototype.toHexString = function() {
    for (var c = "", e = 0; e < this.data.length; e++) {
      c += this.data[e].toString(16) + " ";
    }
  };
  e.prototype.toJSON = function() {
    return {data:[this.data[0], this.data[1], this.data[2]], object_class:"MIDIEvent"};
  };
  e.NOTEOFF = 128;
  e.NOTEON = 144;
  e.KEYPRESSURE = 160;
  e.CONTROLLERCHANGE = 176;
  e.PROGRAMCHANGE = 192;
  e.CHANNELPRESSURE = 208;
  e.PITCHBEND = 224;
  e.TIMETICK = 248;
  e.commands = {128:"note off", 144:"note on", 160:"key pressure", 176:"controller change", 192:"program change", 208:"channel pressure", 224:"pitch bend", 240:"system", 242:"Song pos", 243:"Song select", 246:"Tune request", 248:"time tick", 250:"Start Song", 251:"Continue Song", 252:"Stop Song", 254:"Sensing", 255:"Reset"};
  e.commands_short = {128:"NOTEOFF", 144:"NOTEOFF", 160:"KEYP", 176:"CC", 192:"PC", 208:"CP", 224:"PB", 240:"SYS", 242:"POS", 243:"SELECT", 246:"TUNEREQ", 248:"TT", 250:"START", 251:"CONTINUE", 252:"STOP", 254:"SENS", 255:"RESET"};
  e.commands_reversed = {};
  for (var t in e.commands) {
    e.commands_reversed[e.commands[t]] = t;
  }
  q.input = null;
  q.MIDIEvent = e;
  q.prototype.onMIDISuccess = function(c) {
    console.log("MIDI ready!");
    console.log(c);
    this.midi = c;
    this.updatePorts();
    if (this.on_ready) {
      this.on_ready(this);
    }
  };
  q.prototype.updatePorts = function() {
    var c = this.midi;
    this.input_ports = c.inputs;
    for (var e = 0, f = this.input_ports.values(), a = f.next(); a && !1 === a.done;) {
      a = a.value, console.log("Input port [type:'" + a.type + "'] id:'" + a.id + "' manufacturer:'" + a.manufacturer + "' name:'" + a.name + "' version:'" + a.version + "'"), e++, a = f.next();
    }
    this.num_input_ports = e;
    e = 0;
    this.output_ports = c.outputs;
    f = this.output_ports.values();
    for (a = f.next(); a && !1 === a.done;) {
      a = a.value, console.log("Output port [type:'" + a.type + "'] id:'" + a.id + "' manufacturer:'" + a.manufacturer + "' name:'" + a.name + "' version:'" + a.version + "'"), e++, a = f.next();
    }
    this.num_output_ports = e;
  };
  q.prototype.onMIDIFailure = function(c) {
    console.error("Failed to get MIDI access - " + c);
  };
  q.prototype.openInputPort = function(c, f) {
    c = this.input_ports.get("input-" + c);
    if (!c) {
      return !1;
    }
    q.input = this;
    var g = this;
    c.onmidimessage = function(a) {
      var b = new e(a.data);
      g.updateState(b);
      f && f(a.data, b);
      if (q.on_message) {
        q.on_message(a.data, b);
      }
    };
    console.log("port open: ", c);
    return !0;
  };
  q.parseMsg = function(c) {
  };
  q.prototype.updateState = function(c) {
    switch(c.cmd) {
      case e.NOTEON:
        this.state.note[c.value1 | 0] = c.value2;
        break;
      case e.NOTEOFF:
        this.state.note[c.value1 | 0] = 0;
        break;
      case e.CONTROLLERCHANGE:
        this.state.cc[c.getCC()] = c.getCCValue();
    }
  };
  q.prototype.sendMIDI = function(c, f) {
    f && (c = this.output_ports.get("output-" + c)) && (q.output = this, f.constructor === e ? c.send(f.data) : c.send(f));
  };
  k.MIDIInterface = q;
  k.title = "MIDI Input";
  k.desc = "Reads MIDI from a input port";
  k.color = "#243";
  k.prototype.getPropertyInfo = function(c) {
    if (this._midi && "port" == c) {
      c = {};
      for (var e = 0; e < this._midi.input_ports.size; ++e) {
        var g = this._midi.input_ports.get("input-" + e);
        c[e] = e + ".- " + g.name + " version:" + g.version;
      }
      return {type:"enum", values:c};
    }
  };
  k.prototype.onStart = function() {
    this._midi ? this._midi.openInputPort(this.properties.port, this.onMIDIEvent.bind(this)) : this._waiting = !0;
  };
  k.prototype.onMIDIEvent = function(c, f) {
    this._last_midi_event = f;
    this.boxcolor = "#AFA";
    this._last_time = r.getTime();
    this.trigger("on_midi", f);
    f.cmd == e.NOTEON ? this.trigger("on_noteon", f) : f.cmd == e.NOTEOFF ? this.trigger("on_noteoff", f) : f.cmd == e.CONTROLLERCHANGE ? this.trigger("on_cc", f) : f.cmd == e.PROGRAMCHANGE ? this.trigger("on_pc", f) : f.cmd == e.PITCHBEND && this.trigger("on_pitchbend", f);
  };
  k.prototype.onDrawBackground = function(c) {
    this.boxcolor = "#AAA";
    if (!this.flags.collapsed && this._last_midi_event) {
      c.fillStyle = "white";
      var e = r.getTime();
      e = 1.0 - Math.max(0, 0.001 * (e - this._last_time));
      if (0 < e) {
        var g = c.globalAlpha;
        c.globalAlpha *= e;
        c.font = "12px Tahoma";
        c.fillText(this._last_midi_event.toString(), 2, 0.5 * this.size[1] + 3);
        c.globalAlpha = g;
      }
    }
  };
  k.prototype.onExecute = function() {
    if (this.outputs) {
      for (var c = this._last_midi_event, e = 0; e < this.outputs.length; ++e) {
        switch(this.outputs[e].name) {
          case "midi":
            var f = this._midi;
            break;
          case "last_midi":
            f = c;
            break;
          default:
            continue;
        }
        this.setOutputData(e, f);
      }
    }
  };
  k.prototype.onGetOutputs = function() {
    return [["last_midi", "midi"], ["on_midi", r.EVENT], ["on_noteon", r.EVENT], ["on_noteoff", r.EVENT], ["on_cc", r.EVENT], ["on_pc", r.EVENT], ["on_pitchbend", r.EVENT]];
  };
  r.registerNodeType("midi/input", k);
  h.MIDIInterface = q;
  h.title = "MIDI Output";
  h.desc = "Sends MIDI to output channel";
  h.color = "#243";
  h.prototype.getPropertyInfo = function(c) {
    if (this._midi && "port" == c) {
      c = {};
      for (var e = 0; e < this._midi.output_ports.size; ++e) {
        var g = this._midi.output_ports.get(e);
        c[e] = e + ".- " + g.name + " version:" + g.version;
      }
      return {type:"enum", values:c};
    }
  };
  h.prototype.onAction = function(c, e) {
    this._midi && ("send" == c && this._midi.sendMIDI(this.port, e), this.trigger("midi", e));
  };
  h.prototype.onGetInputs = function() {
    return [["send", r.ACTION]];
  };
  h.prototype.onGetOutputs = function() {
    return [["on_midi", r.EVENT]];
  };
  r.registerNodeType("midi/output", h);
  n.title = "MIDI Show";
  n.desc = "Shows MIDI in the graph";
  n.color = "#243";
  n.prototype.getTitle = function() {
    return this.flags.collapsed ? this._str : this.title;
  };
  n.prototype.onAction = function(c, f) {
    f && (this._str = f.constructor === e ? f.toString() : "???");
  };
  n.prototype.onDrawForeground = function(c) {
    this._str && !this.flags.collapsed && (c.font = "30px Arial", c.fillText(this._str, 10, 0.8 * this.size[1]));
  };
  n.prototype.onGetInputs = function() {
    return [["in", r.ACTION]];
  };
  n.prototype.onGetOutputs = function() {
    return [["on_midi", r.EVENT]];
  };
  r.registerNodeType("midi/show", n);
  f.title = "MIDI Filter";
  f.desc = "Filters MIDI messages";
  f.color = "#243";
  f["@cmd"] = {type:"enum", title:"Command", values:e.commands_reversed};
  f.prototype.getTitle = function() {
    var c = -1 == this.properties.cmd ? "Nothing" : e.commands_short[this.properties.cmd] || "Unknown";
    -1 != this.properties.min_value && -1 != this.properties.max_value && (c += " " + (this.properties.min_value == this.properties.max_value ? this.properties.max_value : this.properties.min_value + ".." + this.properties.max_value));
    return "Filter: " + c;
  };
  f.prototype.onPropertyChanged = function(c, f) {
    "cmd" == c && (c = Number(f), isNaN(c) && (c = e.commands[f] || 0), this.properties.cmd = c);
  };
  f.prototype.onAction = function(c, f) {
    if (f && f.constructor === e) {
      if (this._learning) {
        this._learning = !1, this.boxcolor = "#AAA", this.properties.channel = f.channel, this.properties.cmd = f.cmd, this.properties.min_value = this.properties.max_value = f.data[1];
      } else {
        if (-1 != this.properties.channel && f.channel != this.properties.channel || -1 != this.properties.cmd && f.cmd != this.properties.cmd || -1 != this.properties.min_value && f.data[1] < this.properties.min_value || -1 != this.properties.max_value && f.data[1] > this.properties.max_value) {
          return;
        }
      }
      this.trigger("on_midi", f);
    }
  };
  r.registerNodeType("midi/filter", f);
  y.title = "MIDIEvent";
  y.desc = "Create a MIDI Event";
  y.color = "#243";
  y.prototype.onAction = function(c, f) {
    "assign" == c ? (this.properties.channel = f.channel, this.properties.cmd = f.cmd, this.properties.value1 = f.data[1], this.properties.value2 = f.data[2], f.cmd == e.NOTEON ? this.gate = !0 : f.cmd == e.NOTEOFF && (this.gate = !1)) : (f = this.midi_event, f.channel = this.properties.channel, this.properties.cmd && this.properties.cmd.constructor === String ? f.setCommandFromString(this.properties.cmd) : f.cmd = this.properties.cmd, f.data[0] = f.cmd | f.channel, f.data[1] = Number(this.properties.value1), 
    f.data[2] = Number(this.properties.value2), this.trigger("on_midi", f));
  };
  y.prototype.onExecute = function() {
    var c = this.properties;
    if (this.inputs) {
      for (var f = 0; f < this.inputs.length; ++f) {
        var h = this.inputs[f];
        if (-1 != h.link) {
          switch(h.name) {
            case "note":
              h = this.getInputData(f), null != h && (h.constructor === String && (h = e.NoteStringToPitch(h)), this.properties.value1 = (h | 0) % 255);
          }
        }
      }
    }
    if (this.outputs) {
      for (f = 0; f < this.outputs.length; ++f) {
        switch(this.outputs[f].name) {
          case "midi":
            h = new e;
            h.setup([c.cmd, c.value1, c.value2]);
            h.channel = c.channel;
            break;
          case "command":
            h = c.cmd;
            break;
          case "cc":
            h = c.value1;
            break;
          case "cc_value":
            h = c.value2;
            break;
          case "note":
            h = c.cmd == e.NOTEON || c.cmd == e.NOTEOFF ? c.value1 : null;
            break;
          case "velocity":
            h = c.cmd == e.NOTEON ? c.value2 : null;
            break;
          case "pitch":
            h = c.cmd == e.NOTEON ? e.computePitch(c.value1) : null;
            break;
          case "pitchbend":
            h = c.cmd == e.PITCHBEND ? e.computePitchBend(c.value1, c.value2) : null;
            break;
          case "gate":
            h = this.gate;
            break;
          default:
            continue;
        }
        null !== h && this.setOutputData(f, h);
      }
    }
  };
  y.prototype.onPropertyChanged = function(c, f) {
    "cmd" == c && (this.properties.cmd = e.computeCommandFromString(f));
  };
  y.prototype.onGetInputs = function() {
    return [["note", "number"]];
  };
  y.prototype.onGetOutputs = function() {
    return [["midi", "midi"], ["on_midi", r.EVENT], ["command", "number"], ["note", "number"], ["velocity", "number"], ["cc", "number"], ["cc_value", "number"], ["pitch", "number"], ["gate", "bool"], ["pitchbend", "number"]];
  };
  r.registerNodeType("midi/event", y);
  B.title = "MIDICC";
  B.desc = "gets a Controller Change";
  B.color = "#243";
  B.prototype.onExecute = function() {
    q.input && (this.properties.value = q.input.state.cc[this.properties.cc]);
    this.setOutputData(0, this.properties.value);
  };
  r.registerNodeType("midi/cc", B);
  z.title = "MIDI Generator";
  z.desc = "Generates a random MIDI note";
  z.color = "#243";
  z.processScale = function(c) {
    c = c.split(",");
    for (var g = 0; g < c.length; ++g) {
      var f = c[g];
      c[g] = 2 == f.length && "#" != f[1] || 2 < f.length ? -r.MIDIEvent.NoteStringToPitch(f) : e.note_to_index[f] || 0;
    }
    return c;
  };
  z.prototype.onPropertyChanged = function(c, e) {
    "notes" == c && (this.notes_pitches = z.processScale(e));
  };
  z.prototype.onExecute = function() {
    var c = this.getInputData(2);
    null != c && (this.properties.octave = c);
    if (c = this.getInputData(1)) {
      this.notes_pitches = z.processScale(c);
    }
  };
  z.prototype.onAction = function(c, f) {
    var g = 0;
    f = this.notes_pitches.length;
    c = 0;
    "sequence" == this.properties.mode ? c = this.sequence_index = (this.sequence_index + 1) % f : "random" == this.properties.mode && (c = Math.floor(Math.random() * f));
    f = this.notes_pitches[c];
    g = 0 <= f ? f + 12 * (this.properties.octave - 1) + 33 : -f;
    f = new e;
    f.setup([e.NOTEON, g, 10]);
    c = this.properties.duration || 1;
    this.trigger("note", f);
    setTimeout(function() {
      var a = new e;
      a.setup([e.NOTEOFF, g, 0]);
      this.trigger("note", a);
    }.bind(this), 1000 * c);
  };
  r.registerNodeType("midi/generator", z);
  C.title = "MIDI Transpose";
  C.desc = "Transpose a MIDI note";
  C.color = "#243";
  C.prototype.onAction = function(c, f) {
    f && f.constructor === e && (f.data[0] == e.NOTEON || f.data[0] == e.NOTEOFF ? (this.midi_event = new e, this.midi_event.setup(f.data), this.midi_event.data[1] = Math.round(this.midi_event.data[1] + this.properties.amount), this.trigger("out", this.midi_event)) : this.trigger("out", f));
  };
  C.prototype.onExecute = function() {
    var c = this.getInputData(1);
    null != c && (this.properties.amount = c);
  };
  r.registerNodeType("midi/transpose", C);
  c.title = "MIDI Quantize Pitch";
  c.desc = "Transpose a MIDI note tp fit an scale";
  c.color = "#243";
  c.prototype.onPropertyChanged = function(c, e) {
    "scale" == c && this.processScale(e);
  };
  c.prototype.processScale = function(c) {
    this._current_scale = c;
    this.notes_pitches = z.processScale(c);
    for (c = 0; 12 > c; ++c) {
      this.valid_notes[c] = -1 != this.notes_pitches.indexOf(c);
    }
    for (c = 0; 12 > c; ++c) {
      if (this.valid_notes[c]) {
        this.offset_notes[c] = 0;
      } else {
        for (var e = 1; 12 > e; ++e) {
          if (this.valid_notes[(c - e) % 12]) {
            this.offset_notes[c] = -e;
            break;
          }
          if (this.valid_notes[(c + e) % 12]) {
            this.offset_notes[c] = e;
            break;
          }
        }
      }
    }
  };
  c.prototype.onAction = function(c, f) {
    f && f.constructor === e && (f.data[0] == e.NOTEON || f.data[0] == e.NOTEOFF ? (this.midi_event = new e, this.midi_event.setup(f.data), this.midi_event.data[1] += this.offset_notes[e.note_to_index[f.note]], this.trigger("out", this.midi_event)) : this.trigger("out", f));
  };
  c.prototype.onExecute = function() {
    var c = this.getInputData(1);
    null != c && c != this._current_scale && this.processScale(c);
  };
  r.registerNodeType("midi/quantize", c);
  D.title = "MIDI Play";
  D.desc = "Plays a MIDI note";
  D.color = "#243";
  D.prototype.onAction = function(c, f) {
    if (f && f.constructor === e) {
      if (this.instrument && f.data[0] == e.NOTEON) {
        c = f.note;
        if (!c || "undefined" == c || c.constructor !== String) {
          return;
        }
        this.instrument.play(c, f.octave, this.properties.duration, this.properties.volume);
      }
      this.trigger("note", f);
    }
  };
  D.prototype.onExecute = function() {
    var c = this.getInputData(1);
    null != c && (this.properties.volume = c);
    c = this.getInputData(2);
    null != c && (this.properties.duration = c);
  };
  r.registerNodeType("midi/play", D);
  A.title = "MIDI Keys";
  A.desc = "Keyboard to play notes";
  A.color = "#243";
  A.keys = [{x:0, w:1, h:1, t:0}, {x:0.75, w:0.5, h:0.6, t:1}, {x:1, w:1, h:1, t:0}, {x:1.75, w:0.5, h:0.6, t:1}, {x:2, w:1, h:1, t:0}, {x:2.75, w:0.5, h:0.6, t:1}, {x:3, w:1, h:1, t:0}, {x:4, w:1, h:1, t:0}, {x:4.75, w:0.5, h:0.6, t:1}, {x:5, w:1, h:1, t:0}, {x:5.75, w:0.5, h:0.6, t:1}, {x:6, w:1, h:1, t:0}];
  A.prototype.onDrawForeground = function(c) {
    if (!this.flags.collapsed) {
      var e = 12 * this.properties.num_octaves;
      this.keys.length = e;
      var g = this.size[0] / (7 * this.properties.num_octaves), a = this.size[1];
      c.globalAlpha = 1;
      for (var b = 0; 2 > b; b++) {
        for (var d = 0; d < e; ++d) {
          var f = A.keys[d % 12];
          if (f.t == b) {
            var h = 7 * Math.floor(d / 12) * g + f.x * g;
            c.fillStyle = 0 == b ? this.keys[d] ? "#CCC" : "white" : this.keys[d] ? "#333" : "black";
            c.fillRect(h + 1, 0, g * f.w - 2, a * f.h);
          }
        }
      }
    }
  };
  A.prototype.getKeyIndex = function(c) {
    for (var e = this.size[0] / (7 * this.properties.num_octaves), g = this.size[1], a = 1; 0 <= a; a--) {
      for (var b = 0; b < this.keys.length; ++b) {
        var d = A.keys[b % 12];
        if (d.t == a) {
          var f = 7 * Math.floor(b / 12) * e + d.x * e, h = e * d.w;
          d = g * d.h;
          if (!(c[0] < f || c[0] > f + h || c[1] > d)) {
            return b;
          }
        }
      }
    }
    return -1;
  };
  A.prototype.onAction = function(c, f) {
    if ("reset" == c) {
      for (f = 0; f < this.keys.length; ++f) {
        this.keys[f] = !1;
      }
    } else {
      f && f.constructor === e && (c = f.data[1] - (12 * (this.properties.start_octave - 1) + 29), 0 <= c && c < this.keys.length && (f.data[0] == e.NOTEON ? this.keys[c] = !0 : f.data[0] == e.NOTEOFF && (this.keys[c] = !1)), this.trigger("note", f));
    }
  };
  A.prototype.onMouseDown = function(c, f) {
    if (!(0 > f[1])) {
      return c = this.getKeyIndex(f), this.keys[c] = !0, this._last_key = c, c = 12 * (this.properties.start_octave - 1) + 29 + c, f = new e, f.setup([e.NOTEON, c, 100]), this.trigger("note", f), !0;
    }
  };
  A.prototype.onMouseMove = function(c, f) {
    if (!(0 > f[1] || -1 == this._last_key)) {
      this.setDirtyCanvas(!0);
      c = this.getKeyIndex(f);
      if (this._last_key == c) {
        return !0;
      }
      this.keys[this._last_key] = !1;
      f = 12 * (this.properties.start_octave - 1) + 29 + this._last_key;
      var g = new e;
      g.setup([e.NOTEOFF, f, 100]);
      this.trigger("note", g);
      this.keys[c] = !0;
      f = 12 * (this.properties.start_octave - 1) + 29 + c;
      g = new e;
      g.setup([e.NOTEON, f, 100]);
      this.trigger("note", g);
      this._last_key = c;
      return !0;
    }
  };
  A.prototype.onMouseUp = function(c, f) {
    if (!(0 > f[1])) {
      return c = this.getKeyIndex(f), this.keys[c] = !1, this._last_key = -1, c = 12 * (this.properties.start_octave - 1) + 29 + c, f = new e, f.setup([e.NOTEOFF, c, 100]), this.trigger("note", f), !0;
    }
  };
  r.registerNodeType("midi/keys", A);
})(this);
(function(w) {
  function e() {
    this.properties = {src:"", gain:0.5, loop:!0, autoplay:!0, playbackRate:1};
    this._loading_audio = !1;
    this._audiobuffer = null;
    this._audionodes = [];
    this._last_sourcenode = null;
    this.addOutput("out", "audio");
    this.addInput("gain", "number");
    this.audionode = x.getAudioContext().createGain();
    this.audionode.graphnode = this;
    this.audionode.gain.value = this.properties.gain;
    this.properties.src && this.loadSound(this.properties.src);
  }
  function q() {
    this.properties = {gain:0.5};
    this._audionodes = [];
    this._media_stream = null;
    this.addOutput("out", "audio");
    this.addInput("gain", "number");
    this.audionode = x.getAudioContext().createGain();
    this.audionode.graphnode = this;
    this.audionode.gain.value = this.properties.gain;
  }
  function k() {
    this.properties = {fftSize:2048, minDecibels:-100, maxDecibels:-10, smoothingTimeConstant:0.5};
    this.audionode = x.getAudioContext().createAnalyser();
    this.audionode.graphnode = this;
    this.audionode.fftSize = this.properties.fftSize;
    this.audionode.minDecibels = this.properties.minDecibels;
    this.audionode.maxDecibels = this.properties.maxDecibels;
    this.audionode.smoothingTimeConstant = this.properties.smoothingTimeConstant;
    this.addInput("in", "audio");
    this.addOutput("freqs", "array");
    this.addOutput("samples", "array");
    this._time_bin = this._freq_bin = null;
  }
  function h() {
    this.properties = {gain:1};
    this.audionode = x.getAudioContext().createGain();
    this.addInput("in", "audio");
    this.addInput("gain", "number");
    this.addOutput("out", "audio");
  }
  function n() {
    this.properties = {impulse_src:"", normalize:!0};
    this.audionode = x.getAudioContext().createConvolver();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function f() {
    this.properties = {threshold:-50, knee:40, ratio:12, reduction:-20, attack:0, release:0.25};
    this.audionode = x.getAudioContext().createDynamicsCompressor();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function y() {
    this.properties = {};
    this.audionode = x.getAudioContext().createWaveShaper();
    this.addInput("in", "audio");
    this.addInput("shape", "waveshape");
    this.addOutput("out", "audio");
  }
  function B() {
    this.properties = {gain1:0.5, gain2:0.5};
    this.audionode = x.getAudioContext().createGain();
    this.audionode1 = x.getAudioContext().createGain();
    this.audionode1.gain.value = this.properties.gain1;
    this.audionode2 = x.getAudioContext().createGain();
    this.audionode2.gain.value = this.properties.gain2;
    this.audionode1.connect(this.audionode);
    this.audionode2.connect(this.audionode);
    this.addInput("in1", "audio");
    this.addInput("in1 gain", "number");
    this.addInput("in2", "audio");
    this.addInput("in2 gain", "number");
    this.addOutput("out", "audio");
  }
  function z() {
    this.properties = {A:0.1, D:0.1, S:0.1, R:0.1};
    this.audionode = x.getAudioContext().createGain();
    this.audionode.gain.value = 0;
    this.addInput("in", "audio");
    this.addInput("gate", "bool");
    this.addOutput("out", "audio");
    this.gate = !1;
  }
  function C() {
    this.properties = {delayTime:0.5};
    this.audionode = x.getAudioContext().createDelay(10);
    this.audionode.delayTime.value = this.properties.delayTime;
    this.addInput("in", "audio");
    this.addInput("time", "number");
    this.addOutput("out", "audio");
  }
  function c() {
    this.properties = {frequency:350, detune:0, Q:1};
    this.addProperty("type", "lowpass", "enum", {values:"lowpass highpass bandpass lowshelf highshelf peaking notch allpass".split(" ")});
    this.audionode = x.getAudioContext().createBiquadFilter();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function D() {
    this.properties = {frequency:440, detune:0, type:"sine"};
    this.addProperty("type", "sine", "enum", {values:["sine", "square", "sawtooth", "triangle", "custom"]});
    this.audionode = x.getAudioContext().createOscillator();
    this.addOutput("out", "audio");
  }
  function A() {
    this.properties = {continuous:!0, mark:-1};
    this.addInput("data", "array");
    this.addInput("mark", "number");
    this.size = [300, 200];
    this._last_buffer = null;
  }
  function r() {
    this.properties = {band:440, amplitude:1};
    this.addInput("freqs", "array");
    this.addOutput("signal", "number");
  }
  function t() {
    if (!t.default_code) {
      var a = t.default_function.toString(), b = a.indexOf("{") + 1, c = a.lastIndexOf("}");
      t.default_code = a.substr(b, c - b);
    }
    this.properties = {code:t.default_code};
    a = x.getAudioContext();
    a.createScriptProcessor ? this.audionode = a.createScriptProcessor(4096, 1, 1) : (console.warn("ScriptProcessorNode deprecated"), this.audionode = a.createGain());
    this.processCode();
    t._bypass_function || (t._bypass_function = this.audionode.onaudioprocess);
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function g() {
    this.audionode = x.getAudioContext().destination;
    this.addInput("in", "audio");
  }
  var l = w.LiteGraph, x = {};
  w.LGAudio = x;
  x.getAudioContext = function() {
    if (!this._audio_context) {
      window.AudioContext = window.AudioContext || window.webkitAudioContext;
      if (!window.AudioContext) {
        return console.error("AudioContext not supported by browser"), null;
      }
      this._audio_context = new AudioContext;
      this._audio_context.onmessage = function(a) {
        console.log("msg", a);
      };
      this._audio_context.onended = function(a) {
        console.log("ended", a);
      };
      this._audio_context.oncomplete = function(a) {
        console.log("complete", a);
      };
    }
    return this._audio_context;
  };
  x.connect = function(a, b) {
    try {
      a.connect(b);
    } catch (d) {
      console.warn("LGraphAudio:", d);
    }
  };
  x.disconnect = function(a, b) {
    try {
      a.disconnect(b);
    } catch (d) {
      console.warn("LGraphAudio:", d);
    }
  };
  x.changeAllAudiosConnections = function(a, b) {
    if (a.inputs) {
      for (var c = 0; c < a.inputs.length; ++c) {
        var e = a.graph.links[a.inputs[c].link];
        if (e) {
          var f = a.graph.getNodeById(e.origin_id);
          f = f.getAudioNodeInOutputSlot ? f.getAudioNodeInOutputSlot(e.origin_slot) : f.audionode;
          e = a.getAudioNodeInInputSlot ? a.getAudioNodeInInputSlot(c) : a.audionode;
          b ? x.connect(f, e) : x.disconnect(f, e);
        }
      }
    }
    if (a.outputs) {
      for (c = 0; c < a.outputs.length; ++c) {
        for (var g = a.outputs[c], h = 0; h < g.links.length; ++h) {
          if (e = a.graph.links[g.links[h]]) {
            f = a.getAudioNodeInOutputSlot ? a.getAudioNodeInOutputSlot(c) : a.audionode;
            var k = a.graph.getNodeById(e.target_id);
            e = k.getAudioNodeInInputSlot ? k.getAudioNodeInInputSlot(e.target_slot) : k.audionode;
            b ? x.connect(f, e) : x.disconnect(f, e);
          }
        }
      }
    }
  };
  x.onConnectionsChange = function(a, b, c, e) {
    a == l.OUTPUT && (a = null, e && (a = this.graph.getNodeById(e.target_id)), a && (b = this.getAudioNodeInOutputSlot ? this.getAudioNodeInOutputSlot(b) : this.audionode, e = a.getAudioNodeInInputSlot ? a.getAudioNodeInInputSlot(e.target_slot) : a.audionode, c ? x.connect(b, e) : x.disconnect(b, e)));
  };
  x.createAudioNodeWrapper = function(a) {
    var b = a.prototype.onPropertyChanged;
    a.prototype.onPropertyChanged = function(a, c) {
      b && b.call(this, a, c);
      this.audionode && void 0 !== this.audionode[a] && (void 0 !== this.audionode[a].value ? this.audionode[a].value = c : this.audionode[a] = c);
    };
    a.prototype.onConnectionsChange = x.onConnectionsChange;
  };
  x.cached_audios = {};
  x.loadSound = function(a, b, c) {
    function d(a) {
      console.log("Audio loading sample error:", a);
      c && c(a);
    }
    if (x.cached_audios[a] && -1 == a.indexOf("blob:")) {
      b && b(x.cached_audios[a]);
    } else {
      x.onProcessAudioURL && (a = x.onProcessAudioURL(a));
      var e = new XMLHttpRequest;
      e.open("GET", a, !0);
      e.responseType = "arraybuffer";
      var f = x.getAudioContext();
      e.onload = function() {
        console.log("AudioSource loaded");
        f.decodeAudioData(e.response, function(c) {
          console.log("AudioSource decoded");
          x.cached_audios[a] = c;
          b && b(c);
        }, d);
      };
      e.send();
      return e;
    }
  };
  e["@src"] = {widget:"resource"};
  e.supported_extensions = ["wav", "ogg", "mp3"];
  e.prototype.onAdded = function(a) {
    if (a.status === LGraph.STATUS_RUNNING) {
      this.onStart();
    }
  };
  e.prototype.onStart = function() {
    this._audiobuffer && this.properties.autoplay && this.playBuffer(this._audiobuffer);
  };
  e.prototype.onStop = function() {
    this.stopAllSounds();
  };
  e.prototype.onPause = function() {
    this.pauseAllSounds();
  };
  e.prototype.onUnpause = function() {
    this.unpauseAllSounds();
  };
  e.prototype.onRemoved = function() {
    this.stopAllSounds();
    this._dropped_url && URL.revokeObjectURL(this._url);
  };
  e.prototype.stopAllSounds = function() {
    for (var a = 0; a < this._audionodes.length; ++a) {
      this._audionodes[a].started && (this._audionodes[a].started = !1, this._audionodes[a].stop());
    }
    this._audionodes.length = 0;
  };
  e.prototype.pauseAllSounds = function() {
    x.getAudioContext().suspend();
  };
  e.prototype.unpauseAllSounds = function() {
    x.getAudioContext().resume();
  };
  e.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          if (void 0 !== c) {
            if ("gain" == b.name) {
              this.audionode.gain.value = c;
            } else {
              if ("playbackRate" == b.name) {
                for (this.properties.playbackRate = c, b = 0; b < this._audionodes.length; ++b) {
                  this._audionodes[b].playbackRate.value = c;
                }
              }
            }
          }
        }
      }
    }
    if (this.outputs) {
      for (a = 0; a < this.outputs.length; ++a) {
        "buffer" == this.outputs[a].name && this._audiobuffer && this.setOutputData(a, this._audiobuffer);
      }
    }
  };
  e.prototype.onAction = function(a) {
    this._audiobuffer && ("Play" == a ? this.playBuffer(this._audiobuffer) : "Stop" == a && this.stopAllSounds());
  };
  e.prototype.onPropertyChanged = function(a, b) {
    if ("src" == a) {
      this.loadSound(b);
    } else {
      if ("gain" == a) {
        this.audionode.gain.value = b;
      } else {
        if ("playbackRate" == a) {
          for (a = 0; a < this._audionodes.length; ++a) {
            this._audionodes[a].playbackRate.value = b;
          }
        }
      }
    }
  };
  e.prototype.playBuffer = function(a) {
    var b = this, c = x.getAudioContext().createBufferSource();
    this._last_sourcenode = c;
    c.graphnode = this;
    c.buffer = a;
    c.loop = this.properties.loop;
    c.playbackRate.value = this.properties.playbackRate;
    this._audionodes.push(c);
    c.connect(this.audionode);
    this._audionodes.push(c);
    c.onended = function() {
      b.trigger("ended");
      var a = b._audionodes.indexOf(c);
      -1 != a && b._audionodes.splice(a, 1);
    };
    c.started || (c.started = !0, c.start());
    return c;
  };
  e.prototype.loadSound = function(a) {
    var b = this;
    this._request && (this._request.abort(), this._request = null);
    this._audiobuffer = null;
    this._loading_audio = !1;
    a && (this._request = x.loadSound(a, function(a) {
      this.boxcolor = l.NODE_DEFAULT_BOXCOLOR;
      b._audiobuffer = a;
      b._loading_audio = !1;
      if (b.graph && b.graph.status === LGraph.STATUS_RUNNING) {
        b.onStart();
      }
    }), this._loading_audio = !0, this.boxcolor = "#AA4");
  };
  e.prototype.onConnectionsChange = x.onConnectionsChange;
  e.prototype.onGetInputs = function() {
    return [["playbackRate", "number"], ["Play", l.ACTION], ["Stop", l.ACTION]];
  };
  e.prototype.onGetOutputs = function() {
    return [["buffer", "audiobuffer"], ["ended", l.EVENT]];
  };
  e.prototype.onDropFile = function(a) {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
    a = URL.createObjectURL(a);
    this.properties.src = a;
    this.loadSound(a);
    this._dropped_url = a;
  };
  e.title = "Source";
  e.desc = "Plays audio";
  l.registerNodeType("audio/source", e);
  q.prototype.onAdded = function(a) {
    if (a.status === LGraph.STATUS_RUNNING) {
      this.onStart();
    }
  };
  q.prototype.onStart = function() {
    null != this._media_stream || this._waiting_confirmation || this.openStream();
  };
  q.prototype.onStop = function() {
    this.audionode.gain.value = 0;
  };
  q.prototype.onPause = function() {
    this.audionode.gain.value = 0;
  };
  q.prototype.onUnpause = function() {
    this.audionode.gain.value = this.properties.gain;
  };
  q.prototype.onRemoved = function() {
    this.audionode.gain.value = 0;
    this.audiosource_node && (this.audiosource_node.disconnect(this.audionode), this.audiosource_node = null);
    if (this._media_stream) {
      var a = this._media_stream.getTracks();
      a.length && a[0].stop();
    }
  };
  q.prototype.openStream = function() {
    if (navigator.mediaDevices) {
      this._waiting_confirmation = !0;
      navigator.mediaDevices.getUserMedia({audio:!0, video:!1}).then(this.streamReady.bind(this)).catch(function(b) {
        console.log("Media rejected", b);
        a._media_stream = !1;
        a.boxcolor = "red";
      });
      var a = this;
    } else {
      console.log("getUserMedia() is not supported in your browser, use chrome and enable WebRTC from about://flags");
    }
  };
  q.prototype.streamReady = function(a) {
    this._media_stream = a;
    this.audiosource_node && this.audiosource_node.disconnect(this.audionode);
    this.audiosource_node = x.getAudioContext().createMediaStreamSource(a);
    this.audiosource_node.graphnode = this;
    this.audiosource_node.connect(this.audionode);
    this.boxcolor = "white";
  };
  q.prototype.onExecute = function() {
    null != this._media_stream || this._waiting_confirmation || this.openStream();
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && "gain" == b.name && (this.audionode.gain.value = this.properties.gain = c);
        }
      }
    }
  };
  q.prototype.onAction = function(a) {
    "Play" == a ? this.audionode.gain.value = this.properties.gain : "Stop" == a && (this.audionode.gain.value = 0);
  };
  q.prototype.onPropertyChanged = function(a, b) {
    "gain" == a && (this.audionode.gain.value = b);
  };
  q.prototype.onConnectionsChange = x.onConnectionsChange;
  q.prototype.onGetInputs = function() {
    return [["playbackRate", "number"], ["Play", l.ACTION], ["Stop", l.ACTION]];
  };
  q.title = "MediaSource";
  q.desc = "Plays microphone";
  l.registerNodeType("audio/media_source", q);
  k.prototype.onPropertyChanged = function(a, b) {
    this.audionode[a] = b;
  };
  k.prototype.onExecute = function() {
    if (this.isOutputConnected(0)) {
      var a = this.audionode.frequencyBinCount;
      this._freq_bin && this._freq_bin.length == a || (this._freq_bin = new Uint8Array(a));
      this.audionode.getByteFrequencyData(this._freq_bin);
      this.setOutputData(0, this._freq_bin);
    }
    this.isOutputConnected(1) && (a = this.audionode.frequencyBinCount, this._time_bin && this._time_bin.length == a || (this._time_bin = new Uint8Array(a)), this.audionode.getByteTimeDomainData(this._time_bin), this.setOutputData(1, this._time_bin));
    for (a = 1; a < this.inputs.length; ++a) {
      var b = this.inputs[a];
      if (null != b.link) {
        var c = this.getInputData(a);
        void 0 !== c && (this.audionode[b.name].value = c);
      }
    }
  };
  k.prototype.onGetInputs = function() {
    return [["minDecibels", "number"], ["maxDecibels", "number"], ["smoothingTimeConstant", "number"]];
  };
  k.prototype.onGetOutputs = function() {
    return [["freqs", "array"], ["samples", "array"]];
  };
  k.title = "Analyser";
  k.desc = "Audio Analyser";
  l.registerNodeType("audio/analyser", k);
  h.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a], c = this.getInputData(a);
        void 0 !== c && (this.audionode[b.name].value = c);
      }
    }
  };
  x.createAudioNodeWrapper(h);
  h.title = "Gain";
  h.desc = "Audio gain";
  l.registerNodeType("audio/gain", h);
  x.createAudioNodeWrapper(n);
  n.prototype.onRemove = function() {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
  };
  n.prototype.onPropertyChanged = function(a, b) {
    "impulse_src" == a ? this.loadImpulse(b) : "normalize" == a && (this.audionode.normalize = b);
  };
  n.prototype.onDropFile = function(a) {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
    this._dropped_url = URL.createObjectURL(a);
    this.properties.impulse_src = this._dropped_url;
    this.loadImpulse(this._dropped_url);
  };
  n.prototype.loadImpulse = function(a) {
    var b = this;
    this._request && (this._request.abort(), this._request = null);
    this._impulse_buffer = null;
    this._loading_impulse = !1;
    a && (this._request = x.loadSound(a, function(a) {
      b._impulse_buffer = a;
      b.audionode.buffer = a;
      console.log("Impulse signal set");
      b._loading_impulse = !1;
    }), this._loading_impulse = !0);
  };
  n.title = "Convolver";
  n.desc = "Convolves the signal (used for reverb)";
  l.registerNodeType("audio/convolver", n);
  x.createAudioNodeWrapper(f);
  f.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && (this.audionode[b.name].value = c);
        }
      }
    }
  };
  f.prototype.onGetInputs = function() {
    return [["threshold", "number"], ["knee", "number"], ["ratio", "number"], ["reduction", "number"], ["attack", "number"], ["release", "number"]];
  };
  f.title = "DynamicsCompressor";
  f.desc = "Dynamics Compressor";
  l.registerNodeType("audio/dynamicsCompressor", f);
  y.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      var a = this.getInputData(1);
      void 0 !== a && (this.audionode.curve = a);
    }
  };
  y.prototype.setWaveShape = function(a) {
    this.audionode.curve = a;
  };
  x.createAudioNodeWrapper(y);
  B.prototype.getAudioNodeInInputSlot = function(a) {
    if (0 == a) {
      return this.audionode1;
    }
    if (2 == a) {
      return this.audionode2;
    }
  };
  B.prototype.onPropertyChanged = function(a, b) {
    "gain1" == a ? this.audionode1.gain.value = b : "gain2" == a && (this.audionode2.gain.value = b);
  };
  B.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        null != b.link && "audio" != b.type && (b = this.getInputData(a), void 0 !== b && (1 == a ? this.audionode1.gain.value = b : 3 == a && (this.audionode2.gain.value = b)));
      }
    }
  };
  x.createAudioNodeWrapper(B);
  B.title = "Mixer";
  B.desc = "Audio mixer";
  l.registerNodeType("audio/mixer", B);
  z.prototype.onExecute = function() {
    var a = x.getAudioContext().currentTime, b = this.audionode.gain, c = this.getInputData(1), e = this.getInputOrProperty("A"), f = this.getInputOrProperty("D"), g = this.getInputOrProperty("S"), h = this.getInputOrProperty("R");
    !this.gate && c ? (b.cancelScheduledValues(0), b.setValueAtTime(0, a), b.linearRampToValueAtTime(1, a + e), b.linearRampToValueAtTime(g, a + e + f)) : this.gate && !c && (b.cancelScheduledValues(0), b.setValueAtTime(b.value, a), b.linearRampToValueAtTime(0, a + h));
    this.gate = c;
  };
  z.prototype.onGetInputs = function() {
    return [["A", "number"], ["D", "number"], ["S", "number"], ["R", "number"]];
  };
  x.createAudioNodeWrapper(z);
  z.title = "ADSR";
  z.desc = "Audio envelope";
  l.registerNodeType("audio/adsr", z);
  x.createAudioNodeWrapper(C);
  C.prototype.onExecute = function() {
    var a = this.getInputData(1);
    void 0 !== a && (this.audionode.delayTime.value = a);
  };
  C.title = "Delay";
  C.desc = "Audio delay";
  l.registerNodeType("audio/delay", C);
  c.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && (this.audionode[b.name].value = c);
        }
      }
    }
  };
  c.prototype.onGetInputs = function() {
    return [["frequency", "number"], ["detune", "number"], ["Q", "number"]];
  };
  x.createAudioNodeWrapper(c);
  c.title = "BiquadFilter";
  c.desc = "Audio filter";
  l.registerNodeType("audio/biquadfilter", c);
  D.prototype.onStart = function() {
    if (!this.audionode.started) {
      this.audionode.started = !0;
      try {
        this.audionode.start();
      } catch (a) {
      }
    }
  };
  D.prototype.onStop = function() {
    this.audionode.started && (this.audionode.started = !1, this.audionode.stop());
  };
  D.prototype.onPause = function() {
    this.onStop();
  };
  D.prototype.onUnpause = function() {
    this.onStart();
  };
  D.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 0; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && (this.audionode[b.name].value = c);
        }
      }
    }
  };
  D.prototype.onGetInputs = function() {
    return [["frequency", "number"], ["detune", "number"], ["type", "string"]];
  };
  x.createAudioNodeWrapper(D);
  D.title = "Oscillator";
  D.desc = "Oscillator";
  l.registerNodeType("audio/oscillator", D);
  A.prototype.onExecute = function() {
    this._last_buffer = this.getInputData(0);
    var a = this.getInputData(1);
    void 0 !== a && (this.properties.mark = a);
    this.setDirtyCanvas(!0, !1);
  };
  A.prototype.onDrawForeground = function(a) {
    if (this._last_buffer) {
      var b = this._last_buffer, c = b.length / this.size[0], e = this.size[1];
      a.fillStyle = "black";
      a.fillRect(0, 0, this.size[0], this.size[1]);
      a.strokeStyle = "white";
      a.beginPath();
      var f = 0;
      if (this.properties.continuous) {
        a.moveTo(f, e);
        for (var g = 0; g < b.length; g += c) {
          a.lineTo(f, e - b[g | 0] / 255 * e), f++;
        }
      } else {
        for (g = 0; g < b.length; g += c) {
          a.moveTo(f + 0.5, e), a.lineTo(f + 0.5, e - b[g | 0] / 255 * e), f++;
        }
      }
      a.stroke();
      0 <= this.properties.mark && (b = x.getAudioContext().sampleRate / b.length, f = this.properties.mark / b * 2 / c, f >= this.size[0] && (f = this.size[0] - 1), a.strokeStyle = "red", a.beginPath(), a.moveTo(f, e), a.lineTo(f, 0), a.stroke());
    }
  };
  A.title = "Visualization";
  A.desc = "Audio Visualization";
  l.registerNodeType("audio/visualization", A);
  r.prototype.onExecute = function() {
    if (this._freqs = this.getInputData(0)) {
      var a = this.properties.band, b = this.getInputData(1);
      void 0 !== b && (a = b);
      b = x.getAudioContext().sampleRate / this._freqs.length;
      b = a / b * 2;
      b >= this._freqs.length ? b = this._freqs[this._freqs.length - 1] : (a = b | 0, b -= a, b = this._freqs[a] * (1 - b) + this._freqs[a + 1] * b);
      this.setOutputData(0, b / 255 * this.properties.amplitude);
    }
  };
  r.prototype.onGetInputs = function() {
    return [["band", "number"]];
  };
  r.title = "Signal";
  r.desc = "extract the signal of some frequency";
  l.registerNodeType("audio/signal", r);
  t.prototype.onAdded = function(a) {
    a.status == LGraph.STATUS_RUNNING && (this.audionode.onaudioprocess = this._callback);
  };
  t["@code"] = {widget:"code"};
  t.prototype.onStart = function() {
    this.audionode.onaudioprocess = this._callback;
  };
  t.prototype.onStop = function() {
    this.audionode.onaudioprocess = t._bypass_function;
  };
  t.prototype.onPause = function() {
    this.audionode.onaudioprocess = t._bypass_function;
  };
  t.prototype.onUnpause = function() {
    this.audionode.onaudioprocess = this._callback;
  };
  t.prototype.onExecute = function() {
  };
  t.prototype.onRemoved = function() {
    this.audionode.onaudioprocess = t._bypass_function;
  };
  t.prototype.processCode = function() {
    try {
      this._script = new (new Function("properties", this.properties.code))(this.properties), this._old_code = this.properties.code, this._callback = this._script.onaudioprocess;
    } catch (a) {
      console.error("Error in onaudioprocess code", a), this._callback = t._bypass_function, this.audionode.onaudioprocess = this._callback;
    }
  };
  t.prototype.onPropertyChanged = function(a, b) {
    "code" == a && (this.properties.code = b, this.processCode(), this.graph && this.graph.status == LGraph.STATUS_RUNNING && (this.audionode.onaudioprocess = this._callback));
  };
  t.default_function = function() {
    this.onaudioprocess = function(a) {
      var b = a.inputBuffer;
      a = a.outputBuffer;
      for (var c = 0; c < a.numberOfChannels; c++) {
        for (var e = b.getChannelData(c), f = a.getChannelData(c), g = 0; g < b.length; g++) {
          f[g] = e[g];
        }
      }
    };
  };
  x.createAudioNodeWrapper(t);
  t.title = "Script";
  t.desc = "apply script to signal";
  l.registerNodeType("audio/script", t);
  g.title = "Destination";
  g.desc = "Audio output";
  l.registerNodeType("audio/destination", g);
})(this);
(function(w) {
  function e() {
    this.size = [60, 20];
    this.addInput("send", k.ACTION);
    this.addOutput("received", k.EVENT);
    this.addInput("in", 0);
    this.addOutput("out", 0);
    this.properties = {url:"", room:"lgraph", only_send_changes:!0};
    this._ws = null;
    this._last_sent_data = [];
    this._last_received_data = [];
  }
  function q() {
    this.room_widget = this.addWidget("text", "Room", "lgraph", this.setRoom.bind(this));
    this.addWidget("button", "Reconnect", null, this.connectSocket.bind(this));
    this.addInput("send", k.ACTION);
    this.addOutput("received", k.EVENT);
    this.addInput("in", 0);
    this.addOutput("out", 0);
    this.properties = {url:"tamats.com:55000", room:"lgraph", only_send_changes:!0};
    this._server = null;
    this.connectSocket();
    this._last_sent_data = [];
    this._last_received_data = [];
  }
  var k = w.LiteGraph;
  e.title = "WebSocket";
  e.desc = "Send data through a websocket";
  e.prototype.onPropertyChanged = function(e, k) {
    "url" == e && this.connectSocket();
  };
  e.prototype.onExecute = function() {
    !this._ws && this.properties.url && this.connectSocket();
    if (this._ws && this._ws.readyState == WebSocket.OPEN) {
      for (var e = this.properties.room, k = this.properties.only_send_changes, f = 1; f < this.inputs.length; ++f) {
        var q = this.getInputData(f);
        if (null != q) {
          try {
            var w = JSON.stringify({type:0, room:e, channel:f, data:q});
          } catch (z) {
            continue;
          }
          k && this._last_sent_data[f] == w || (this._last_sent_data[f] = w, this._ws.send(w));
        }
      }
      for (f = 1; f < this.outputs.length; ++f) {
        this.setOutputData(f, this._last_received_data[f]);
      }
      "#AFA" == this.boxcolor && (this.boxcolor = "#6C6");
    }
  };
  e.prototype.connectSocket = function() {
    var e = this, n = this.properties.url;
    "ws" != n.substr(0, 2) && (n = "ws://" + n);
    this._ws = new WebSocket(n);
    this._ws.onopen = function() {
      console.log("ready");
      e.boxcolor = "#6C6";
    };
    this._ws.onmessage = function(f) {
      e.boxcolor = "#AFA";
      var h = JSON.parse(f.data);
      if (!h.room || h.room == this.properties.room) {
        if (1 == f.data.type) {
          if (h.data.object_class && k[h.data.object_class]) {
            f = null;
            try {
              f = new k[h.data.object_class](h.data), e.triggerSlot(0, f);
            } catch (B) {
            }
          } else {
            e.triggerSlot(0, h.data);
          }
        } else {
          e._last_received_data[f.data.channel || 0] = h.data;
        }
      }
    };
    this._ws.onerror = function(f) {
      console.log("couldnt connect to websocket");
      e.boxcolor = "#E88";
    };
    this._ws.onclose = function(f) {
      console.log("connection closed");
      e.boxcolor = "#000";
    };
  };
  e.prototype.send = function(e) {
    this._ws && this._ws.readyState == WebSocket.OPEN && this._ws.send(JSON.stringify({type:1, msg:e}));
  };
  e.prototype.onAction = function(e, k) {
    this._ws && this._ws.readyState == WebSocket.OPEN && this._ws.send({type:1, room:this.properties.room, action:e, data:k});
  };
  e.prototype.onGetInputs = function() {
    return [["in", 0]];
  };
  e.prototype.onGetOutputs = function() {
    return [["out", 0]];
  };
  k.registerNodeType("network/websocket", e);
  q.title = "SillyClient";
  q.desc = "Connects to SillyServer to broadcast messages";
  q.prototype.onPropertyChanged = function(e, k) {
    "room" == e && (this.room_widget.value = k);
    this.connectSocket();
  };
  q.prototype.setRoom = function(e) {
    this.properties.room = e;
    this.room_widget.value = e;
    this.connectSocket();
  };
  q.prototype.onDrawForeground = function() {
    for (var e = 1; e < this.inputs.length; ++e) {
      var k = this.inputs[e];
      k.label = "in_" + e;
    }
    for (e = 1; e < this.outputs.length; ++e) {
      k = this.outputs[e], k.label = "out_" + e;
    }
  };
  q.prototype.onExecute = function() {
    if (this._server && this._server.is_connected) {
      for (var e = this.properties.only_send_changes, k = 1; k < this.inputs.length; ++k) {
        var f = this.getInputData(k);
        null == f || e && this._last_sent_data[k] == f || (this._server.sendMessage({type:0, channel:k, data:f}), this._last_sent_data[k] = f);
      }
      for (k = 1; k < this.outputs.length; ++k) {
        this.setOutputData(k, this._last_received_data[k]);
      }
      "#AFA" == this.boxcolor && (this.boxcolor = "#6C6");
    }
  };
  q.prototype.connectSocket = function() {
    var e = this;
    if ("undefined" == typeof SillyClient) {
      this._error || console.error("SillyClient node cannot be used, you must include SillyServer.js"), this._error = !0;
    } else {
      if (this._server = new SillyClient, this._server.on_ready = function() {
        console.log("ready");
        e.boxcolor = "#6C6";
      }, this._server.on_message = function(h, f) {
        h = null;
        try {
          h = JSON.parse(f);
        } catch (y) {
          return;
        }
        if (1 == h.type) {
          if (h.data.object_class && k[h.data.object_class]) {
            f = null;
            try {
              f = new k[h.data.object_class](h.data), e.triggerSlot(0, f);
            } catch (y) {
              return;
            }
          } else {
            e.triggerSlot(0, h.data);
          }
        } else {
          e._last_received_data[h.channel || 0] = h.data;
        }
        e.boxcolor = "#AFA";
      }, this._server.on_error = function(h) {
        console.log("couldnt connect to websocket");
        e.boxcolor = "#E88";
      }, this._server.on_close = function(h) {
        console.log("connection closed");
        e.boxcolor = "#000";
      }, this.properties.url && this.properties.room) {
        try {
          this._server.connect(this.properties.url, this.properties.room);
        } catch (n) {
          console.error("SillyServer error: " + n);
          this._server = null;
          return;
        }
        this._final_url = this.properties.url + "/" + this.properties.room;
      }
    }
  };
  q.prototype.send = function(e) {
    this._server && this._server.is_connected && this._server.sendMessage({type:1, data:e});
  };
  q.prototype.onAction = function(e, k) {
    this._server && this._server.is_connected && this._server.sendMessage({type:1, action:e, data:k});
  };
  q.prototype.onGetInputs = function() {
    return [["in", 0]];
  };
  q.prototype.onGetOutputs = function() {
    return [["out", 0]];
  };
  k.registerNodeType("network/sillyclient", q);
})(this);