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(v, d, m) {
  v != Array.prototype && v != Object.prototype && (v[d] = m.value);
};
$jscomp.getGlobal = function(v) {
  return "undefined" != typeof window && window === v ? v : "undefined" != typeof global && null != global ? global : v;
};
$jscomp.global = $jscomp.getGlobal(this);
$jscomp.polyfill = function(v, d, m, q) {
  if (d) {
    m = $jscomp.global;
    v = v.split(".");
    for (q = 0; q < v.length - 1; q++) {
      var h = v[q];
      h in m || (m[h] = {});
      m = m[h];
    }
    v = v[v.length - 1];
    q = m[v];
    d = d(q);
    d != q && null != d && $jscomp.defineProperty(m, v, {configurable:!0, writable:!0, value:d});
  }
};
$jscomp.polyfill("Array.prototype.fill", function(v) {
  return v ? v : function(d, m, q) {
    var h = this.length || 0;
    0 > m && (m = Math.max(0, h + m));
    if (null == q || q > h) {
      q = h;
    }
    q = Number(q);
    0 > q && (q = Math.max(0, h + q));
    for (m = Number(m || 0); m < q; m++) {
      this[m] = d;
    }
    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 v = 0;
  return function(d) {
    return $jscomp.SYMBOL_PREFIX + (d || "") + v++;
  };
}();
$jscomp.initSymbolIterator = function() {
  $jscomp.initSymbol();
  var v = $jscomp.global.Symbol.iterator;
  v || (v = $jscomp.global.Symbol.iterator = $jscomp.global.Symbol("iterator"));
  "function" != typeof Array.prototype[v] && $jscomp.defineProperty(Array.prototype, v, {configurable:!0, writable:!0, value:function() {
    return $jscomp.arrayIterator(this);
  }});
  $jscomp.initSymbolIterator = function() {
  };
};
$jscomp.arrayIterator = function(v) {
  var d = 0;
  return $jscomp.iteratorPrototype(function() {
    return d < v.length ? {done:!1, value:v[d++]} : {done:!0};
  });
};
$jscomp.iteratorPrototype = function(v) {
  $jscomp.initSymbolIterator();
  v = {next:v};
  v[$jscomp.global.Symbol.iterator] = function() {
    return this;
  };
  return v;
};
$jscomp.iteratorFromArray = function(v, d) {
  $jscomp.initSymbolIterator();
  v instanceof String && (v += "");
  var m = 0, q = {next:function() {
    if (m < v.length) {
      var h = m++;
      return {value:d(h, v[h]), done:!1};
    }
    q.next = function() {
      return {done:!0, value:void 0};
    };
    return q.next();
  }};
  q[Symbol.iterator] = function() {
    return q;
  };
  return q;
};
$jscomp.polyfill("Array.prototype.values", function(v) {
  return v ? v : function() {
    return $jscomp.iteratorFromArray(this, function(d, m) {
      return m;
    });
  };
}, "es8", "es3");
$jscomp.polyfill("Array.prototype.keys", function(v) {
  return v ? v : function() {
    return $jscomp.iteratorFromArray(this, function(d) {
      return d;
    });
  };
}, "es6", "es3");
(function(v) {
  function d(a) {
    l.debug && console.log("Graph created");
    this.list_of_graphcanvas = null;
    this.clear();
    a && this.configure(a);
  }
  function m(a) {
    this._ctor(a);
  }
  function q(a) {
    this._ctor(a);
  }
  function h(a, b, c) {
    c = c || {};
    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.max_zoom = 10;
    this.min_zoom = 0.1;
    this.zoom_modify_alpha = !0;
    this.title_text_font = "bold " + l.NODE_TEXT_SIZE + "px Arial";
    this.inner_text_font = "normal " + l.NODE_SUBTEXT_SIZE + "px Arial";
    this.node_title_color = l.NODE_TITLE_COLOR;
    this.default_link_color = l.LINK_COLOR;
    this.default_connection_color = {input_off:"#AAB", input_on:"#7F7", output_off:"#AAB", 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 = this.render_shadows = !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 = !0;
    this.render_connections_shadows = !1;
    this.render_connection_arrows = this.render_curved_connections = this.render_connections_border = !0;
    this.render_execution_order = !1;
    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 = new Float32Array(4);
    b && b.attachCanvas(this);
    this.setCanvas(a);
    this.clear();
    c.skip_render || this.startRendering();
    this.autoresize = c.autoresize;
  }
  function u(a, b) {
    return Math.sqrt((b[0] - a[0]) * (b[0] - a[0]) + (b[1] - a[1]) * (b[1] - a[1]));
  }
  function t(a, b, c, e, f, k) {
    return c < a && c + f > a && e < b && e + k > b ? !0 : !1;
  }
  function w(a, b) {
    var c = a[0] + a[2], e = a[1] + a[3], f = b[1] + b[3];
    return a[0] > b[0] + b[2] || a[1] > f || c < b[0] || e < b[1] ? !1 : !0;
  }
  function y(a, b) {
    function c(a) {
      var c = parseInt(f.style.top);
      f.style.top = (c + a.deltaY * b.scroll_speed).toFixed() + "px";
      a.preventDefault();
      return !0;
    }
    this.options = b = b || {};
    var e = 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 f = document.createElement("div");
    f.className = "litegraph litecontextmenu litemenubar-panel";
    b.className && (f.className += " " + b.className);
    f.style.minWidth = 100;
    f.style.minHeight = 100;
    f.style.pointerEvents = "none";
    setTimeout(function() {
      f.style.pointerEvents = "auto";
    }, 100);
    f.addEventListener("mouseup", function(a) {
      a.preventDefault();
      return !0;
    }, !0);
    f.addEventListener("contextmenu", function(a) {
      if (2 != a.button) {
        return !1;
      }
      a.preventDefault();
      return !1;
    }, !0);
    f.addEventListener("mousedown", function(a) {
      if (2 == a.button) {
        return e.close(), a.preventDefault(), !0;
      }
    }, !0);
    b.scroll_speed || (b.scroll_speed = 0.1);
    f.addEventListener("wheel", c, !0);
    f.addEventListener("mousewheel", c, !0);
    this.root = f;
    if (b.title) {
      var k = document.createElement("div");
      k.className = "litemenu-title";
      k.innerHTML = b.title;
      f.appendChild(k);
    }
    k = 0;
    for (var n in a) {
      var l = a.constructor == Array ? a[n] : n;
      null != l && l.constructor !== String && (l = void 0 === l.content ? String(l) : l.content);
      this.addItem(l, a[n], b);
      k++;
    }
    f.addEventListener("mouseleave", function(a) {
      e.lock || (f.closing_timer && clearTimeout(f.closing_timer), f.closing_timer = setTimeout(e.close.bind(e, a), 500));
    });
    f.addEventListener("mouseenter", function(a) {
      f.closing_timer && clearTimeout(f.closing_timer);
    });
    a = document;
    b.event && (a = b.event.target.ownerDocument);
    a || (a = document);
    a.body.appendChild(f);
    n = b.left || 0;
    a = b.top || 0;
    b.event && (n = b.event.pageX - 10, a = b.event.pageY - 10, b.title && (a -= 20), b.parentMenu && (n = b.parentMenu.root.getBoundingClientRect(), n = n.left + n.width), k = document.body.getBoundingClientRect(), l = f.getBoundingClientRect(), n > k.width - l.width - 10 && (n = k.width - l.width - 10), a > k.height - l.height - 10 && (a = k.height - l.height - 10));
    f.style.left = n + "px";
    f.style.top = a + "px";
  }
  var l = v.LiteGraph = {CANVAS_GRID_SIZE:10, NODE_TITLE_HEIGHT:20, NODE_SLOT_HEIGHT:15, 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:"#444", NODE_DEFAULT_BOXCOLOR:"#666", NODE_DEFAULT_SHAPE:"box", DEFAULT_SHADOW_COLOR:"rgba(0,0,0,0.5)", DEFAULT_GROUP_FONT:24, LINK_COLOR:"#AAD", EVENT_LINK_COLOR:"#F85", 
  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, NORMAL_TITLE:0, NO_TITLE:1, TRANSPARENT_TITLE:2, AUTOHIDE_TITLE:3, proxy:null, node_images_path:"", debug:!1, 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;
    l.debug && console.log("Node registered: " + a);
    a.split("/");
    var c = b.name, e = a.lastIndexOf("/");
    b.category = a.substr(0, e);
    b.title || (b.title = c);
    if (b.prototype) {
      for (var f in m.prototype) {
        b.prototype[f] || (b.prototype[f] = m.prototype[f]);
      }
    }
    Object.defineProperty(b.prototype, "shape", {set:function(a) {
      switch(a) {
        case "default":
          delete this._shape;
          break;
        case "box":
          this._shape = l.BOX_SHAPE;
          break;
        case "round":
          this._shape = l.ROUND_SHAPE;
          break;
        case "circle":
          this._shape = l.CIRCLE_SHAPE;
          break;
        case "card":
          this._shape = l.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[c] = 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 (f in b.supported_extensions) {
        this.node_types_by_file_extension[b.supported_extensions[f].toLowerCase()] = b;
      }
    }
  }, wrapFunctionAsNode:function(a, b, c, e) {
    for (var f = Array(b.length), k = "", n = l.getParameterNames(b), h = 0; h < n.length; ++h) {
      k += "this.addInput('" + n[h] + "'," + (c && c[h] ? "'" + c[h] + "'" : "0") + ");\n";
    }
    c = Function(k + ("this.addOutput('out'," + (e ? "'" + e + "'" : 0) + ");\n"));
    c.title = a.split("/").pop();
    c.desc = "Generated from " + b.name;
    c.prototype.onExecute = function() {
      for (var a = 0; a < f.length; ++a) {
        f[a] = this.getInputData(a);
      }
      a = b.apply(this, f);
      this.setOutputData(0, a);
    };
    this.registerNodeType(a, c);
  }, addNodeMethod:function(a, b) {
    m.prototype[a] = b;
    for (var c in this.registered_node_types) {
      var e = this.registered_node_types[c];
      e.prototype[a] && (e.prototype["_" + a] = e.prototype[a]);
      e.prototype[a] = b;
    }
  }, createNode:function(a, b, c) {
    var e = this.registered_node_types[a];
    if (!e) {
      return l.debug && console.log('GraphNode type "' + a + '" not registered.'), null;
    }
    b = b || e.title || a;
    e = new e(b);
    e.type = a;
    !e.title && b && (e.title = b);
    e.properties || (e.properties = {});
    e.properties_info || (e.properties_info = []);
    e.flags || (e.flags = {});
    e.size || (e.size = e.computeSize());
    e.pos || (e.pos = l.DEFAULT_POSITION.concat());
    e.mode || (e.mode = l.ALWAYS);
    if (c) {
      for (var f in c) {
        e[f] = c[f];
      }
    }
    return e;
  }, getNodeType:function(a) {
    return this.registered_node_types[a];
  }, getNodeTypesInCategory:function(a, b) {
    var c = [], e;
    for (e in this.registered_node_types) {
      var f = this.registered_node_types[e];
      b && f.filter && f.filter != b || ("" == a ? null == f.category && c.push(f) : f.category == a && c.push(f));
    }
    return c;
  }, 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 c = [];
    for (b in a) {
      c.push(b);
    }
    return c;
  }, reloadNodes:function(a) {
    var b = document.getElementsByTagName("script"), c = [], e;
    for (e in b) {
      c.push(b[e]);
    }
    b = document.getElementsByTagName("head")[0];
    a = document.location.href + a;
    for (e in c) {
      var f = c[e].src;
      if (f && f.substr(0, a.length) == a) {
        try {
          l.debug && console.log("Reloading: " + f);
          var k = document.createElement("script");
          k.type = "text/javascript";
          k.src = f;
          b.appendChild(k);
          b.removeChild(c[e]);
        } catch (n) {
          if (l.throw_errors) {
            throw n;
          }
          l.debug && console.log("Error while reloading " + f);
        }
      }
    }
    l.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 c in a) {
      b[c] = a[c];
    }
    return b;
  }, isValidConnection:function(a, b) {
    if (!a || !b || a == b || a == l.EVENT && b == l.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 c = 0; c < a.length; ++c) {
      for (var e = 0; e < b.length; ++e) {
        if (a[c] == b[e]) {
          return !0;
        }
      }
    }
    return !1;
  }, registerSearchboxExtra:function(a, b, c) {
    this.searchbox_extras[b] = {type:a, desc:b, data:c};
  }};
  l.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();
  };
  v.LGraph = l.LGraph = d;
  d.supported_types = ["number", "string", "boolean"];
  d.prototype.getSupportedTypes = function() {
    return this.supported_types || d.supported_types;
  };
  d.STATUS_STOPPED = 1;
  d.STATUS_RUNNING = 2;
  d.prototype.clear = function() {
    this.stop();
    this.status = d.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.global_inputs = {};
    this.global_outputs = {};
    this.change();
    this.sendActionToCanvas("clear");
  };
  d.prototype.attachCanvas = function(a) {
    if (a.constructor != h) {
      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);
  };
  d.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));
    }
  };
  d.prototype.start = function(a) {
    if (this.status != d.STATUS_RUNNING) {
      this.status = d.STATUS_RUNNING;
      if (this.onPlayEvent) {
        this.onPlayEvent();
      }
      this.sendEventToAllNodes("onStart");
      this.last_update_time = this.starttime = l.getTime();
      a = a || 0;
      var b = this;
      if (0 == a && "undefined" != typeof window && window.requestAnimationFrame) {
        var c = function() {
          -1 == b.execution_timer_id && (window.requestAnimationFrame(c), b.runStep(1, !this.catch_errors));
        };
        this.execution_timer_id = -1;
        c();
      } else {
        this.execution_timer_id = setInterval(function() {
          b.runStep(1, !this.catch_errors);
        }, a);
      }
    }
  };
  d.prototype.stop = function() {
    if (this.status != d.STATUS_STOPPED) {
      this.status = d.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");
    }
  };
  d.prototype.runStep = function(a, b) {
    a = a || 1;
    var c = l.getTime();
    this.globaltime = 0.001 * (c - this.starttime);
    var e = this._nodes_executable ? this._nodes_executable : this._nodes;
    if (e) {
      if (b) {
        for (var f = 0; f < a; f++) {
          for (var k = 0, n = e.length; k < n; ++k) {
            var h = e[k];
            if (h.mode == l.ALWAYS && h.onExecute) {
              h.onExecute();
            }
          }
          this.fixedtime += this.fixedtime_lapse;
          if (this.onExecuteStep) {
            this.onExecuteStep();
          }
        }
        if (this.onAfterExecute) {
          this.onAfterExecute();
        }
      } else {
        try {
          for (f = 0; f < a; f++) {
            k = 0;
            for (n = e.length; k < n; ++k) {
              if (h = e[k], h.mode == l.ALWAYS && h.onExecute) {
                h.onExecute();
              }
            }
            this.fixedtime += this.fixedtime_lapse;
            if (this.onExecuteStep) {
              this.onExecuteStep();
            }
          }
          if (this.onAfterExecute) {
            this.onAfterExecute();
          }
          this.errors_in_execution = !1;
        } catch (G) {
          this.errors_in_execution = !0;
          if (l.throw_errors) {
            throw G;
          }
          l.debug && console.log("Error during execution: " + G);
          this.stop();
        }
      }
      a = l.getTime();
      c = a - c;
      0 == c && (c = 1);
      this.execution_time = 0.001 * c;
      this.globaltime += 0.001 * c;
      this.iteration += 1;
      this.elapsed_time = 0.001 * (a - this.last_update_time);
      this.last_update_time = a;
    }
  };
  d.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]);
    }
  };
  d.prototype.computeExecutionOrder = function(a, b) {
    for (var c = [], e = [], f = {}, k = {}, n = {}, h = 0, d = this._nodes.length; h < d; ++h) {
      var p = this._nodes[h];
      if (!a || p.onExecute) {
        f[p.id] = p;
        var g = 0;
        if (p.inputs) {
          for (var m = 0, q = p.inputs.length; m < q; m++) {
            p.inputs[m] && null != p.inputs[m].link && (g += 1);
          }
        }
        0 == g ? (e.push(p), b && (p._level = 1)) : (b && (p._level = 0), n[p.id] = g);
      }
    }
    for (; 0 != e.length;) {
      if (p = e.shift(), c.push(p), delete f[p.id], p.outputs) {
        for (h = 0; h < p.outputs.length; h++) {
          if (a = p.outputs[h], null != a && null != a.links && 0 != a.links.length) {
            for (m = 0; m < a.links.length; m++) {
              (d = this.links[a.links[m]]) && !k[d.id] && (g = this.getNodeById(d.target_id), null == g ? k[d.id] = !0 : (b && (!g._level || g._level <= p._level) && (g._level = p._level + 1), k[d.id] = !0, --n[g.id], 0 == n[g.id] && e.push(g)));
            }
          }
        }
      }
    }
    for (h in f) {
      c.push(f[h]);
    }
    c.length != this._nodes.length && l.debug && console.warn("something went wrong, nodes missing");
    d = c.length;
    for (h = 0; h < d; ++h) {
      c[h].order = h;
    }
    c = c.sort(function(a, b) {
      var c = a.constructor.priority || a.priority || 0, e = b.constructor.priority || b.priority || 0;
      return c == e ? a.order - b.order : c - e;
    });
    for (h = 0; h < d; ++h) {
      c[h].order = h;
    }
    return c;
  };
  d.prototype.getAncestors = function(a) {
    for (var b = [], c = [a], e = {}; c.length;) {
      var f = c.shift();
      if (f.inputs) {
        e[f.id] || f == a || (e[f.id] = !0, b.push(f));
        for (var k = 0; k < f.inputs.length; ++k) {
          var n = f.getInputNode(k);
          n && -1 == b.indexOf(n) && c.push(n);
        }
      }
    }
    b.sort(function(a, b) {
      return a.order - b.order;
    });
    return b;
  };
  d.prototype.arrange = function(a) {
    a = a || 40;
    for (var b = this.computeExecutionOrder(!1, !0), c = [], e = 0; e < b.length; ++e) {
      var f = b[e], k = f._level || 1;
      c[k] || (c[k] = []);
      c[k].push(f);
    }
    b = a;
    for (e = 0; e < c.length; ++e) {
      if (k = c[e]) {
        for (var n = 100, h = a, l = 0; l < k.length; ++l) {
          f = k[l], f.pos[0] = b, f.pos[1] = h, f.size[0] > n && (n = f.size[0]), h += f.size[1] + a;
        }
        b += n + a;
      }
    }
    this.setDirtyCanvas(!0, !0);
  };
  d.prototype.getTime = function() {
    return this.globaltime;
  };
  d.prototype.getFixedTime = function() {
    return this.fixedtime;
  };
  d.prototype.getElapsedTime = function() {
    return this.elapsed_time;
  };
  d.prototype.sendEventToAllNodes = function(a, b, c) {
    c = c || l.ALWAYS;
    var e = this._nodes_in_order ? this._nodes_in_order : this._nodes;
    if (e) {
      for (var f = 0, k = e.length; f < k; ++f) {
        var n = e[f];
        if (n[a] && n.mode == c) {
          if (void 0 === b) {
            n[a]();
          } else {
            if (b && b.constructor === Array) {
              n[a].apply(n, b);
            } else {
              n[a](b);
            }
          }
        }
      }
    }
  };
  d.prototype.sendActionToCanvas = function(a, b) {
    if (this.list_of_graphcanvas) {
      for (var c = 0; c < this.list_of_graphcanvas.length; ++c) {
        var e = this.list_of_graphcanvas[c];
        e[a] && e[a].apply(e, b);
      }
    }
  };
  d.prototype.add = function(a, b) {
    if (a) {
      if (a.constructor === q) {
        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 >= l.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;
      }
    }
  };
  d.prototype.remove = function(a) {
    if (a.constructor === l.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 c = a.inputs[b];
            null != c.link && a.disconnectInput(b);
          }
        }
        if (a.outputs) {
          for (b = 0; b < a.outputs.length; b++) {
            c = a.outputs[b], null != c.links && c.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) {
            c = this.list_of_graphcanvas[b], c.selected_nodes[a.id] && delete c.selected_nodes[a.id], c.node_dragged == a && (c.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();
      }
    }
  };
  d.prototype.getNodeById = function(a) {
    return null == a ? null : this._nodes_by_id[a];
  };
  d.prototype.findNodesByClass = function(a) {
    for (var b = [], c = 0, e = this._nodes.length; c < e; ++c) {
      this._nodes[c].constructor === a && b.push(this._nodes[c]);
    }
    return b;
  };
  d.prototype.findNodesByType = function(a) {
    a = a.toLowerCase();
    for (var b = [], c = 0, e = this._nodes.length; c < e; ++c) {
      this._nodes[c].type.toLowerCase() == a && b.push(this._nodes[c]);
    }
    return b;
  };
  d.prototype.findNodesByTitle = function(a) {
    for (var b = [], c = 0, e = this._nodes.length; c < e; ++c) {
      this._nodes[c].title == a && b.push(this._nodes[c]);
    }
    return b;
  };
  d.prototype.getNodeOnPos = function(a, b, c, e) {
    c = c || this._nodes;
    for (var f = c.length - 1; 0 <= f; f--) {
      var k = c[f];
      if (k.isPointInside(a, b, e)) {
        return k;
      }
    }
    return null;
  };
  d.prototype.getGroupOnPos = function(a, b) {
    for (var c = this._groups.length - 1; 0 <= c; c--) {
      var e = this._groups[c];
      if (e.isPointInside(a, b, 2, !0)) {
        return e;
      }
    }
    return null;
  };
  d.prototype.addGlobalInput = function(a, b, c) {
    this.global_inputs[a] = {name:a, type:b, value:c};
    this._version++;
    if (this.onGlobalInputAdded) {
      this.onGlobalInputAdded(a, b);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
  };
  d.prototype.setGlobalInputData = function(a, b) {
    if (a = this.global_inputs[a]) {
      a.value = b;
    }
  };
  d.prototype.setInputData = d.prototype.setGlobalInputData;
  d.prototype.getGlobalInputData = function(a) {
    return (a = this.global_inputs[a]) ? a.value : null;
  };
  d.prototype.renameGlobalInput = function(a, b) {
    if (b != a) {
      if (!this.global_inputs[a]) {
        return !1;
      }
      if (this.global_inputs[b]) {
        return console.error("there is already one input with that name"), !1;
      }
      this.global_inputs[b] = this.global_inputs[a];
      delete this.global_inputs[a];
      this._version++;
      if (this.onGlobalInputRenamed) {
        this.onGlobalInputRenamed(a, b);
      }
      if (this.onGlobalsChange) {
        this.onGlobalsChange();
      }
    }
  };
  d.prototype.changeGlobalInputType = function(a, b) {
    if (!this.global_inputs[a]) {
      return !1;
    }
    if (!this.global_inputs[a].type || this.global_inputs[a].type.toLowerCase() != b.toLowerCase()) {
      if (this.global_inputs[a].type = b, this._version++, this.onGlobalInputTypeChanged) {
        this.onGlobalInputTypeChanged(a, b);
      }
    }
  };
  d.prototype.removeGlobalInput = function(a) {
    if (!this.global_inputs[a]) {
      return !1;
    }
    delete this.global_inputs[a];
    this._version++;
    if (this.onGlobalInputRemoved) {
      this.onGlobalInputRemoved(a);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
    return !0;
  };
  d.prototype.addGlobalOutput = function(a, b, c) {
    this.global_outputs[a] = {name:a, type:b, value:c};
    this._version++;
    if (this.onGlobalOutputAdded) {
      this.onGlobalOutputAdded(a, b);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
  };
  d.prototype.setGlobalOutputData = function(a, b) {
    if (a = this.global_outputs[a]) {
      a.value = b;
    }
  };
  d.prototype.getGlobalOutputData = function(a) {
    return (a = this.global_outputs[a]) ? a.value : null;
  };
  d.prototype.getOutputData = d.prototype.getGlobalOutputData;
  d.prototype.renameGlobalOutput = function(a, b) {
    if (!this.global_outputs[a]) {
      return !1;
    }
    if (this.global_outputs[b]) {
      return console.error("there is already one output with that name"), !1;
    }
    this.global_outputs[b] = this.global_outputs[a];
    delete this.global_outputs[a];
    this._version++;
    if (this.onGlobalOutputRenamed) {
      this.onGlobalOutputRenamed(a, b);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
  };
  d.prototype.changeGlobalOutputType = function(a, b) {
    if (!this.global_outputs[a]) {
      return !1;
    }
    if (!this.global_outputs[a].type || this.global_outputs[a].type.toLowerCase() != b.toLowerCase()) {
      if (this.global_outputs[a].type = b, this._version++, this.onGlobalOutputTypeChanged) {
        this.onGlobalOutputTypeChanged(a, b);
      }
    }
  };
  d.prototype.removeGlobalOutput = function(a) {
    if (!this.global_outputs[a]) {
      return !1;
    }
    delete this.global_outputs[a];
    this._version++;
    if (this.onGlobalOutputRemoved) {
      this.onGlobalOutputRemoved(a);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
    return !0;
  };
  d.prototype.triggerInput = function(a, b) {
    a = this.findNodesByTitle(a);
    for (var c = 0; c < a.length; ++c) {
      a[c].onTrigger(b);
    }
  };
  d.prototype.setCallback = function(a, b) {
    a = this.findNodesByTitle(a);
    for (var c = 0; c < a.length; ++c) {
      a[c].setTrigger(b);
    }
  };
  d.prototype.connectionChange = function(a, b) {
    this.updateExecutionOrder();
    if (this.onConnectionChange) {
      this.onConnectionChange(a);
    }
    this._version++;
    this.sendActionToCanvas("onConnectionChange");
  };
  d.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;
  };
  d.prototype.clearTriggeredSlots = function() {
    for (var a in this.links) {
      var b = this.links[a];
      b && b._last_time && (b._last_time = 0);
    }
  };
  d.prototype.change = function() {
    l.debug && console.log("Graph changed");
    this.sendActionToCanvas("setDirty", [!0, !0]);
    if (this.on_change) {
      this.on_change(this);
    }
  };
  d.prototype.setDirtyCanvas = function(a, b) {
    this.sendActionToCanvas("setDirty", [a, b]);
  };
  d.prototype.serialize = function() {
    for (var a = [], b = 0, c = this._nodes.length; b < c; ++b) {
      a.push(this._nodes[b].serialize());
    }
    c = [];
    for (b in this.links) {
      var e = this.links[b];
      c.push([e.id, e.origin_id, e.origin_slot, e.target_id, e.target_slot, e.type]);
    }
    e = [];
    for (b = 0; b < this._groups.length; ++b) {
      e.push(this._groups[b].serialize());
    }
    return {last_node_id:this.last_node_id, last_link_id:this.last_link_id, nodes:a, links:c, groups:e, config:this.config};
  };
  d.prototype.configure = function(a, b) {
    if (a) {
      b || this.clear();
      b = a.nodes;
      if (a.links && a.links.constructor === Array) {
        for (var c = [], e = 0; e < a.links.length; ++e) {
          var f = a.links[e];
          c[f[0]] = {id:f[0], origin_id:f[1], origin_slot:f[2], target_id:f[3], target_slot:f[4], type:f[5]};
        }
        a.links = c;
      }
      for (e in a) {
        this[e] = a[e];
      }
      c = !1;
      this._nodes = [];
      if (b) {
        e = 0;
        for (f = b.length; e < f; ++e) {
          var k = b[e], n = l.createNode(k.type, k.title);
          n ? (n.id = k.id, this.add(n, !0)) : (l.debug && console.log("Node not found: " + k.type), c = !0);
        }
        e = 0;
        for (f = b.length; e < f; ++e) {
          k = b[e], (n = this.getNodeById(k.id)) && n.configure(k);
        }
      }
      this._groups.length = 0;
      if (a.groups) {
        for (e = 0; e < a.groups.length; ++e) {
          b = new l.LGraphGroup, b.configure(a.groups[e]), this.add(b);
        }
      }
      this.updateExecutionOrder();
      this._version++;
      this.setDirtyCanvas(!0, !0);
      return c;
    }
  };
  d.prototype.load = function(a) {
    var b = this, c = new XMLHttpRequest;
    c.open("GET", a, !0);
    c.send(null);
    c.onload = function(a) {
      200 !== c.status ? console.error("Error loading graph:", c.status, c.response) : (a = JSON.parse(c.response), b.configure(a));
    };
    c.onerror = function(a) {
      console.error("Error loading graph:", a);
    };
  };
  d.prototype.onNodeTrace = function(a, b, c) {
  };
  v.LGraphNode = l.LGraphNode = m;
  m.prototype._ctor = function(a) {
    this.title = a || "Unnamed";
    this.size = [l.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 = {};
  };
  m.prototype.configure = function(a) {
    this.graph && this.graph._version++;
    for (var b in a) {
      if ("console" != b) {
        if ("properties" == b) {
          for (var c in a.properties) {
            if (this.properties[c] = a.properties[c], this.onPropertyChanged) {
              this.onPropertyChanged(c, a.properties[c]);
            }
          }
        } else {
          null != a[b] && ("object" == typeof a[b] ? this[b] && this[b].configure ? this[b].configure(a[b]) : this[b] = l.cloneObject(a[b], this[b]) : this[b] = a[b]);
        }
      }
    }
    a.title || (this.title = this.constructor.title);
    if (this.onConnectionsChange) {
      if (this.inputs) {
        for (var e = 0; e < this.inputs.length; ++e) {
          c = this.inputs[e];
          var f = this.graph ? this.graph.links[c.link] : null;
          this.onConnectionsChange(l.INPUT, e, !0, f, c);
        }
      }
      if (this.outputs) {
        for (e = 0; e < this.outputs.length; ++e) {
          if (c = this.outputs[e], c.links) {
            for (b = 0; b < c.links.length; ++b) {
              f = this.graph ? this.graph.links[c.links[b]] : null, this.onConnectionsChange(l.OUTPUT, e, !0, f, c);
            }
          }
        }
      }
    }
    for (e in this.inputs) {
      c = this.inputs[e], c.link && c.link.length && (f = c.link, "object" == typeof f && (c.link = f[0], this.graph && (this.graph.links[f[0]] = {id:f[0], origin_id:f[1], origin_slot:f[2], target_id:f[3], target_slot:f[4]})));
    }
    for (e in this.outputs) {
      if (c = this.outputs[e], c.links && 0 != c.links.length) {
        for (b in c.links) {
          f = c.links[b], "object" == typeof f && (c.links[b] = f[0]);
        }
      }
    }
    if (this.onConfigure) {
      this.onConfigure(a);
    }
  };
  m.prototype.serialize = function() {
    var a = {id:this.id, type:this.type, pos:this.pos, size:this.size, flags:l.cloneObject(this.flags), mode:this.mode};
    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 = l.cloneObject(this.properties));
    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;
  };
  m.prototype.clone = function() {
    var a = l.createNode(this.type), b = l.cloneObject(this.serialize());
    if (b.inputs) {
      for (var c = 0; c < b.inputs.length; ++c) {
        b.inputs[c].link = null;
      }
    }
    if (b.outputs) {
      for (c = 0; c < b.outputs.length; ++c) {
        b.outputs[c].links && (b.outputs[c].links.length = 0);
      }
    }
    delete b.id;
    a.configure(b);
    return a;
  };
  m.prototype.toString = function() {
    return JSON.stringify(this.serialize());
  };
  m.prototype.getTitle = function() {
    return this.title || this.constructor.title;
  };
  m.prototype.setOutputData = function(a, b) {
    if (this.outputs && !(-1 == a || a >= this.outputs.length)) {
      var c = this.outputs[a];
      if (c && (c._data = b, this.outputs[a].links)) {
        for (c = 0; c < this.outputs[a].links.length; c++) {
          this.graph.links[this.outputs[a].links[c]].data = b;
        }
      }
    }
  };
  m.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;
    }
  };
  m.prototype.getInputDataByName = function(a, b) {
    a = this.findInputSlot(a);
    return -1 == a ? null : this.getInputData(a, b);
  };
  m.prototype.isInputConnected = function(a) {
    return this.inputs ? a < this.inputs.length && null != this.inputs[a].link : !1;
  };
  m.prototype.getInputInfo = function(a) {
    return this.inputs ? a < this.inputs.length ? this.inputs[a] : null : null;
  };
  m.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;
  };
  m.prototype.getInputOrProperty = function(a) {
    if (!this.inputs || !this.inputs.length) {
      return this.properties ? this.properties[a] : null;
    }
    for (var b = 0, c = this.inputs.length; b < c; ++b) {
      var e = this.inputs[b];
      if (a == e.name && null != e.link && (e = this.graph.links[e.link])) {
        return e.data;
      }
    }
    return this.properties[a];
  };
  m.prototype.getOutputData = function(a) {
    return !this.outputs || a >= this.outputs.length ? null : this.outputs[a]._data;
  };
  m.prototype.getOutputInfo = function(a) {
    return this.outputs ? a < this.outputs.length ? this.outputs[a] : null : null;
  };
  m.prototype.isOutputConnected = function(a) {
    return this.outputs ? a < this.outputs.length && this.outputs[a].links && this.outputs[a].links.length : !1;
  };
  m.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;
  };
  m.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 = [], c = 0; c < a.links.length; c++) {
      var e = this.graph.links[a.links[c]];
      e && (e = this.graph.getNodeById(e.target_id)) && b.push(e);
    }
    return b;
  };
  m.prototype.trigger = function(a, b) {
    if (this.outputs && this.outputs.length) {
      this.graph && (this.graph._last_trigger_time = l.getTime());
      for (var c = 0; c < this.outputs.length; ++c) {
        var e = this.outputs[c];
        !e || e.type !== l.EVENT || a && e.name != a || this.triggerSlot(c, b);
      }
    }
  };
  m.prototype.triggerSlot = function(a, b, c) {
    if (this.outputs && (a = this.outputs[a]) && (a = a.links) && a.length) {
      this.graph && (this.graph._last_trigger_time = l.getTime());
      for (var e = 0; e < a.length; ++e) {
        var f = a[e];
        if (null == c || c == f) {
          var k = this.graph.links[a[e]];
          if (k && (k._last_time = l.getTime(), f = this.graph.getNodeById(k.target_id))) {
            if (k = f.inputs[k.target_slot], f.onAction) {
              f.onAction(k.name, b);
            } else {
              if (f.mode === l.ON_TRIGGER && f.onExecute) {
                f.onExecute(b);
              }
            }
          }
        }
      }
    }
  };
  m.prototype.clearTriggeredSlot = function(a, b) {
    if (this.outputs && (a = this.outputs[a]) && (a = a.links) && a.length) {
      for (var c = 0; c < a.length; ++c) {
        var e = a[c];
        if (null == b || b == e) {
          if (e = this.graph.links[a[c]]) {
            e._last_time = 0;
          }
        }
      }
    }
  };
  m.prototype.addProperty = function(a, b, c, e) {
    c = {name:a, type:c, default_value:b};
    if (e) {
      for (var f in e) {
        c[f] = e[f];
      }
    }
    this.properties_info || (this.properties_info = []);
    this.properties_info.push(c);
    this.properties || (this.properties = {});
    this.properties[a] = b;
    return c;
  };
  m.prototype.addOutput = function(a, b, c) {
    a = {name:a, type:b, links:null};
    if (c) {
      for (var e in c) {
        a[e] = c[e];
      }
    }
    this.outputs || (this.outputs = []);
    this.outputs.push(a);
    if (this.onOutputAdded) {
      this.onOutputAdded(a);
    }
    this.size = this.computeSize();
    this.setDirtyCanvas(!0, !0);
    return a;
  };
  m.prototype.addOutputs = function(a) {
    for (var b = 0; b < a.length; ++b) {
      var c = a[b], e = {name:c[0], type:c[1], link:null};
      if (a[2]) {
        for (var f in c[2]) {
          e[f] = c[2][f];
        }
      }
      this.outputs || (this.outputs = []);
      this.outputs.push(e);
      if (this.onOutputAdded) {
        this.onOutputAdded(e);
      }
    }
    this.size = this.computeSize();
    this.setDirtyCanvas(!0, !0);
  };
  m.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 c = this.outputs[b].links, e = 0; e < c.length; ++e) {
          var f = this.graph.links[c[e]];
          f && --f.origin_slot;
        }
      }
    }
    this.size = this.computeSize();
    if (this.onOutputRemoved) {
      this.onOutputRemoved(a);
    }
    this.setDirtyCanvas(!0, !0);
  };
  m.prototype.addInput = function(a, b, c) {
    a = {name:a, type:b || 0, link:null};
    if (c) {
      for (var e in c) {
        a[e] = c[e];
      }
    }
    this.inputs || (this.inputs = []);
    this.inputs.push(a);
    this.size = this.computeSize();
    if (this.onInputAdded) {
      this.onInputAdded(a);
    }
    this.setDirtyCanvas(!0, !0);
    return a;
  };
  m.prototype.addInputs = function(a) {
    for (var b = 0; b < a.length; ++b) {
      var c = a[b], e = {name:c[0], type:c[1], link:null};
      if (a[2]) {
        for (var f in c[2]) {
          e[f] = c[2][f];
        }
      }
      this.inputs || (this.inputs = []);
      this.inputs.push(e);
      if (this.onInputAdded) {
        this.onInputAdded(e);
      }
    }
    this.size = this.computeSize();
    this.setDirtyCanvas(!0, !0);
  };
  m.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 c = this.graph.links[this.inputs[b].link];
        c && --c.target_slot;
      }
    }
    this.size = this.computeSize();
    if (this.onInputRemoved) {
      this.onInputRemoved(a);
    }
    this.setDirtyCanvas(!0, !0);
  };
  m.prototype.addConnection = function(a, b, c, e) {
    a = {name:a, type:b, pos:c, direction:e, links:null};
    this.connections.push(a);
    return a;
  };
  m.prototype.computeSize = function(a, b) {
    function c(a) {
      return a ? e * a.length * 0.6 : 0;
    }
    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 e = l.NODE_TEXT_SIZE;
    b[1] = (this.constructor.slot_start_y || 0) + a * (e + 1) + 4;
    this.widgets && this.widgets.length && (b[1] += this.widgets.length * (l.NODE_WIDGET_HEIGHT + 4) + 8);
    a = c(this.title);
    var f = 0, k = 0;
    if (this.inputs) {
      for (var n = 0, h = this.inputs.length; n < h; ++n) {
        var p = this.inputs[n];
        p = p.label || p.name || "";
        p = c(p);
        f < p && (f = p);
      }
    }
    if (this.outputs) {
      for (n = 0, h = this.outputs.length; n < h; ++n) {
        p = this.outputs[n], p = p.label || p.name || "", p = c(p), k < p && (k = p);
      }
    }
    b[0] = Math.max(f + k + 10, a);
    b[0] = Math.max(b[0], l.NODE_WIDTH);
    this.widgets && this.widgets.length && (b[0] = Math.max(b[0], 1.5 * l.NODE_WIDTH));
    if (this.onResize) {
      this.onResize(b);
    }
    return b;
  };
  m.prototype.addWidget = function(a, b, c, e, f) {
    this.widgets || (this.widgets = []);
    b = {type:a.toLowerCase(), name:b, value:c, callback:e, options:f || {}};
    void 0 !== b.options.y && (b.y = b.options.y);
    e || console.warn("LiteGraph addWidget('button',...) 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;
  };
  m.prototype.addCustomWidget = function(a) {
    this.widgets || (this.widgets = []);
    this.widgets.push(a);
    return a;
  };
  m.prototype.getBounding = function(a) {
    a = a || new Float32Array(4);
    a[0] = this.pos[0] - 4;
    a[1] = this.pos[1] - l.NODE_TITLE_HEIGHT;
    a[2] = this.size[0] + 4;
    a[3] = this.size[1] + l.NODE_TITLE_HEIGHT;
    if (this.onBounding) {
      this.onBounding(a);
    }
    return a;
  };
  m.prototype.isPointInside = function(a, b, c, e) {
    c = c || 0;
    var f = this.graph && this.graph.isLive() ? 0 : 20;
    e && (f = 0);
    if (this.flags && this.flags.collapsed) {
      if (t(a, b, this.pos[0] - c, this.pos[1] - l.NODE_TITLE_HEIGHT - c, (this._collapsed_width || l.NODE_COLLAPSED_WIDTH) + 2 * c, l.NODE_TITLE_HEIGHT + 2 * c)) {
        return !0;
      }
    } else {
      if (this.pos[0] - 4 - c < a && this.pos[0] + this.size[0] + 4 + c > a && this.pos[1] - f - c < b && this.pos[1] + this.size[1] + c > b) {
        return !0;
      }
    }
    return !1;
  };
  m.prototype.getSlotInPosition = function(a, b) {
    var c = new Float32Array(2);
    if (this.inputs) {
      for (var e = 0, f = this.inputs.length; e < f; ++e) {
        var k = this.inputs[e];
        this.getConnectionPos(!0, e, c);
        if (t(a, b, c[0] - 10, c[1] - 5, 20, 10)) {
          return {input:k, slot:e, link_pos:c, locked:k.locked};
        }
      }
    }
    if (this.outputs) {
      for (e = 0, f = this.outputs.length; e < f; ++e) {
        if (k = this.outputs[e], this.getConnectionPos(!1, e, c), t(a, b, c[0] - 10, c[1] - 5, 20, 10)) {
          return {output:k, slot:e, link_pos:c, locked:k.locked};
        }
      }
    }
    return null;
  };
  m.prototype.findInputSlot = function(a) {
    if (!this.inputs) {
      return -1;
    }
    for (var b = 0, c = this.inputs.length; b < c; ++b) {
      if (a == this.inputs[b].name) {
        return b;
      }
    }
    return -1;
  };
  m.prototype.findOutputSlot = function(a) {
    if (!this.outputs) {
      return -1;
    }
    for (var b = 0, c = this.outputs.length; b < c; ++b) {
      if (a == this.outputs[b].name) {
        return b;
      }
    }
    return -1;
  };
  m.prototype.connect = function(a, b, c) {
    c = c || 0;
    if (!this.graph) {
      return console.log("Connect: Error, node doesnt 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 l.debug && console.log("Connect: Error, no slot of name " + a), null;
      }
    } else {
      if (!this.outputs || a >= this.outputs.length) {
        return l.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 (c.constructor === String) {
      if (c = b.findInputSlot(c), -1 == c) {
        return l.debug && console.log("Connect: Error, no slot of name " + c), null;
      }
    } else {
      if (c === l.EVENT) {
        return null;
      }
      if (!b.inputs || c >= b.inputs.length) {
        return l.debug && console.log("Connect: Error, slot number not found"), null;
      }
    }
    null != b.inputs[c].link && b.disconnectInput(c);
    var e = this.outputs[a];
    if (b.onConnectInput && !1 === b.onConnectInput(c, e.type, e)) {
      return null;
    }
    var f = b.inputs[c], k = null;
    if (l.isValidConnection(e.type, f.type)) {
      k = {id:this.graph.last_link_id++, type:f.type, origin_id:this.id, origin_slot:a, target_id:b.id, target_slot:c};
      this.graph.links[k.id] = k;
      null == e.links && (e.links = []);
      e.links.push(k.id);
      b.inputs[c].link = k.id;
      this.graph && this.graph._version++;
      if (this.onConnectionsChange) {
        this.onConnectionsChange(l.OUTPUT, a, !0, k, e);
      }
      if (b.onConnectionsChange) {
        b.onConnectionsChange(l.INPUT, c, !0, k, f);
      }
      this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(l.INPUT, b, c, this, a), this.graph.onNodeConnectionChange(l.OUTPUT, this, a, b, c));
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this, k);
    return k;
  };
  m.prototype.disconnectOutput = function(a, b) {
    if (a.constructor === String) {
      if (a = this.findOutputSlot(a), -1 == a) {
        return l.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.outputs || a >= this.outputs.length) {
        return l.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    var c = this.outputs[a];
    if (!c || !c.links || 0 == c.links.length) {
      return !1;
    }
    if (b) {
      b.constructor === Number && (b = this.graph.getNodeById(b));
      if (!b) {
        throw "Target Node not found";
      }
      for (var e = 0, f = c.links.length; e < f; e++) {
        var k = c.links[e], n = this.graph.links[k];
        if (n.target_id == b.id) {
          c.links.splice(e, 1);
          var h = b.inputs[n.target_slot];
          h.link = null;
          delete this.graph.links[k];
          this.graph && this.graph._version++;
          if (b.onConnectionsChange) {
            b.onConnectionsChange(l.INPUT, n.target_slot, !1, n, h);
          }
          if (this.onConnectionsChange) {
            this.onConnectionsChange(l.OUTPUT, a, !1, n, c);
          }
          if (this.graph && this.graph.onNodeConnectionChange) {
            this.graph.onNodeConnectionChange(l.OUTPUT, this, a);
          }
          this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(l.OUTPUT, this, a), this.graph.onNodeConnectionChange(l.INPUT, b, n.target_slot));
          break;
        }
      }
    } else {
      e = 0;
      for (f = c.links.length; e < f; e++) {
        if (k = c.links[e], n = this.graph.links[k]) {
          b = this.graph.getNodeById(n.target_id);
          this.graph && this.graph._version++;
          if (b) {
            h = b.inputs[n.target_slot];
            h.link = null;
            if (b.onConnectionsChange) {
              b.onConnectionsChange(l.INPUT, n.target_slot, !1, n, h);
            }
            if (this.graph && this.graph.onNodeConnectionChange) {
              this.graph.onNodeConnectionChange(l.INPUT, b, n.target_slot);
            }
          }
          delete this.graph.links[k];
          if (this.onConnectionsChange) {
            this.onConnectionsChange(l.OUTPUT, a, !1, n, c);
          }
          this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(l.OUTPUT, this, a), this.graph.onNodeConnectionChange(l.INPUT, b, n.target_slot));
        }
      }
      c.links = null;
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  m.prototype.disconnectInput = function(a) {
    if (a.constructor === String) {
      if (a = this.findInputSlot(a), -1 == a) {
        return l.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.inputs || a >= this.inputs.length) {
        return l.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    var b = this.inputs[a];
    if (!b) {
      return !1;
    }
    var c = this.inputs[a].link;
    this.inputs[a].link = null;
    var e = this.graph.links[c];
    if (e) {
      var f = this.graph.getNodeById(e.origin_id);
      if (!f) {
        return !1;
      }
      var k = f.outputs[e.origin_slot];
      if (!k || !k.links || 0 == k.links.length) {
        return !1;
      }
      for (var n = 0, h = k.links.length; n < h; n++) {
        if (k.links[n] == c) {
          k.links.splice(n, 1);
          break;
        }
      }
      delete this.graph.links[c];
      this.graph && this.graph._version++;
      if (this.onConnectionsChange) {
        this.onConnectionsChange(l.INPUT, a, !1, e, b);
      }
      if (f.onConnectionsChange) {
        f.onConnectionsChange(l.OUTPUT, n, !1, e, k);
      }
      this.graph && this.graph.onNodeConnectionChange && (this.graph.onNodeConnectionChange(l.OUTPUT, f, n), this.graph.onNodeConnectionChange(l.INPUT, this, a));
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  m.prototype.getConnectionPos = function(a, b, c) {
    c = c || new Float32Array(2);
    var e = 0;
    a && this.inputs && (e = this.inputs.length);
    !a && this.outputs && (e = this.outputs.length);
    if (this.flags.collapsed) {
      return b = this._collapsed_width || l.NODE_COLLAPSED_WIDTH, this.flags.horizontal ? (c[0] = this.pos[0] + 0.5 * b, c[1] = a ? this.pos[1] - l.NODE_TITLE_HEIGHT : this.pos[1]) : (c[0] = a ? this.pos[0] : this.pos[0] + b, c[1] = this.pos[1] - 0.5 * l.NODE_TITLE_HEIGHT), c;
    }
    if (a && -1 == b) {
      return c[0] = this.pos[0] + 10, c[1] = this.pos[1] + 10, c;
    }
    if (a && e > b && this.inputs[b].pos) {
      return c[0] = this.pos[0] + this.inputs[b].pos[0], c[1] = this.pos[1] + this.inputs[b].pos[1], c;
    }
    if (!a && e > b && this.outputs[b].pos) {
      return c[0] = this.pos[0] + this.outputs[b].pos[0], c[1] = this.pos[1] + this.outputs[b].pos[1], c;
    }
    if (this.flags.horizontal) {
      return c[0] = this.pos[0] + this.size[0] / e * (b + 0.5), c[1] = a ? this.pos[1] - l.NODE_TITLE_HEIGHT : this.pos[1] + this.size[1], c;
    }
    c[0] = a ? this.pos[0] : this.pos[0] + this.size[0] + 1;
    c[1] = this.pos[1] + 10 + b * l.NODE_SLOT_HEIGHT + (this.constructor.slot_start_y || 0);
    return c;
  };
  m.prototype.alignToGrid = function() {
    this.pos[0] = l.CANVAS_GRID_SIZE * Math.round(this.pos[0] / l.CANVAS_GRID_SIZE);
    this.pos[1] = l.CANVAS_GRID_SIZE * Math.round(this.pos[1] / l.CANVAS_GRID_SIZE);
  };
  m.prototype.trace = function(a) {
    this.console || (this.console = []);
    this.console.push(a);
    this.console.length > m.MAX_CONSOLE && this.console.shift();
    this.graph.onNodeTrace(this, a);
  };
  m.prototype.setDirtyCanvas = function(a, b) {
    this.graph && this.graph.sendActionToCanvas("setDirty", [a, b]);
  };
  m.prototype.loadImage = function(a) {
    var b = new Image;
    b.src = l.node_images_path + a;
    b.ready = !1;
    var c = this;
    b.onload = function() {
      this.ready = !0;
      c.setDirtyCanvas(!0);
    };
    return b;
  };
  m.prototype.captureInput = function(a) {
    if (this.graph && this.graph.list_of_graphcanvas) {
      for (var b = this.graph.list_of_graphcanvas, c = 0; c < b.length; ++c) {
        var e = b[c];
        if (a || e.node_capturing_input == this) {
          e.node_capturing_input = a ? this : null;
        }
      }
    }
  };
  m.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);
    }
  };
  m.prototype.pin = function(a) {
    this.graph._version++;
    this.flags.pinned = void 0 === a ? !this.flags.pinned : a;
  };
  m.prototype.localToScreen = function(a, b, c) {
    return [(a + this.pos[0]) * c.scale + c.offset[0], (b + this.pos[1]) * c.scale + c.offset[1]];
  };
  v.LGraphGroup = l.LGraphGroup = q;
  q.prototype._ctor = function(a) {
    this.title = a || "Group";
    this.font_size = 24;
    this.color = h.node_colors.pale_blue ? h.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});
  };
  q.prototype.configure = function(a) {
    this.title = a.title;
    this._bounding.set(a.bounding);
    this.color = a.color;
    this.font = a.font;
  };
  q.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};
  };
  q.prototype.move = function(a, b, c) {
    this._pos[0] += a;
    this._pos[1] += b;
    if (!c) {
      for (c = 0; c < this._nodes.length; ++c) {
        var e = this._nodes[c];
        e.pos[0] += a;
        e.pos[1] += b;
      }
    }
  };
  q.prototype.recomputeInsideNodes = function() {
    this._nodes.length = 0;
    for (var a = this.graph._nodes, b = new Float32Array(4), c = 0; c < a.length; ++c) {
      var e = a[c];
      e.getBounding(b);
      w(this._bounding, b) && this._nodes.push(e);
    }
  };
  q.prototype.isPointInside = m.prototype.isPointInside;
  q.prototype.setDirtyCanvas = m.prototype.setDirtyCanvas;
  v.LGraphCanvas = l.LGraphCanvas = h;
  h.link_type_colors = {"-1":"#F85", number:"#AAA", node:"#DCA"};
  h.gradients = {};
  h.prototype.clear = function() {
    this.fps = this.render_time = this.last_draw_time = this.frame = 0;
    this.scale = 1;
    this.offset = [0, 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();
    }
  };
  h.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)));
  };
  h.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);
  };
  h.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]));
    }
  };
  h.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)) {
      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 doesnt 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();
    }
  };
  h.prototype._doNothing = function(a) {
    a.preventDefault();
    return !1;
  };
  h.prototype._doReturnTrue = function(a) {
    a.preventDefault();
    return !0;
  };
  h.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;
    }
  };
  h.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");
    }
  };
  h.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();
  };
  h.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;
  };
  h.prototype.setDirty = function(a, b) {
    a && (this.dirty_canvas = !0);
    b && (this.dirty_bgcanvas = !0);
  };
  h.prototype.getCanvasWindow = function() {
    if (!this.canvas) {
      return window;
    }
    var a = this.canvas.ownerDocument;
    return a.defaultView || a.parentWindow;
  };
  h.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));
  };
  h.prototype.stopRendering = function() {
    this.is_rendering = !1;
  };
  h.prototype.processMouseDown = function(a) {
    if (this.graph) {
      this.adjustMouseEvent(a);
      var b = this.getCanvasWindow();
      h.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 c = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes, 5), e = !1, f = 300 > l.getTime() - this.last_mouseclick;
      this.canvas_mouse[0] = a.canvasX;
      this.canvas_mouse[1] = a.canvasY;
      this.canvas.focus();
      l.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, e = !0);
          var k = !1;
          if (c && this.allow_interaction && !e) {
            this.live_mode || c.flags.pinned || this.bringToFront(c);
            if (!this.connecting_node && !c.flags.collapsed && !this.live_mode) {
              if (!e && !1 !== c.resizable && t(a.canvasX, a.canvasY, c.pos[0] + c.size[0] - 5, c.pos[1] + c.size[1] - 5, 10, 10)) {
                this.resizing_node = c, this.canvas.style.cursor = "se-resize", e = !0;
              } else {
                if (c.outputs) {
                  for (var n = 0, p = c.outputs.length; n < p; ++n) {
                    var d = c.outputs[n], g = c.getConnectionPos(!1, n);
                    if (t(a.canvasX, a.canvasY, g[0] - 15, g[1] - 10, 30, 20)) {
                      this.connecting_node = c;
                      this.connecting_output = d;
                      this.connecting_pos = c.getConnectionPos(!1, n);
                      this.connecting_slot = n;
                      a.shiftKey && c.disconnectOutput(n);
                      if (f) {
                        if (c.onOutputDblClick) {
                          c.onOutputDblClick(n, a);
                        }
                      } else {
                        if (c.onOutputClick) {
                          c.onOutputClick(n, a);
                        }
                      }
                      e = !0;
                      break;
                    }
                  }
                }
                if (c.inputs) {
                  for (n = 0, p = c.inputs.length; n < p; ++n) {
                    if (d = c.inputs[n], g = c.getConnectionPos(!0, n), t(a.canvasX, a.canvasY, g[0] - 15, g[1] - 10, 30, 20)) {
                      if (f) {
                        if (c.onInputDblClick) {
                          c.onInputDblClick(n, a);
                        }
                      } else {
                        if (c.onInputClick) {
                          c.onInputClick(n, a);
                        }
                      }
                      if (null !== d.link) {
                        e = this.graph.links[d.link];
                        c.disconnectInput(n);
                        if (this.allow_reconnect_links || a.shiftKey) {
                          this.connecting_node = this.graph._nodes_by_id[e.origin_id], this.connecting_slot = e.origin_slot, this.connecting_output = this.connecting_node.outputs[this.connecting_slot], this.connecting_pos = this.connecting_node.getConnectionPos(!1, this.connecting_slot);
                        }
                        e = this.dirty_bgcanvas = !0;
                      }
                    }
                  }
                }
              }
            }
            !e && t(a.canvasX, a.canvasY, c.pos[0], c.pos[1] - l.NODE_TITLE_HEIGHT, l.NODE_TITLE_HEIGHT, l.NODE_TITLE_HEIGHT) && (c.collapse(), e = !0);
            if (!e) {
              n = !1;
              if (p = this.processNodeWidgets(c, this.canvas_mouse, a)) {
                n = !0, this.node_widget = [c, p];
              }
              if (f && this.selected_nodes[c.id]) {
                if (c.onDblClick) {
                  c.onDblClick(a, [a.canvasX - c.pos[0], a.canvasY - c.pos[1]], this);
                }
                this.processNodeDblClicked(c);
                n = !0;
              }
              c.onMouseDown && c.onMouseDown(a, [a.canvasX - c.pos[0], a.canvasY - c.pos[1]], this) ? n = !0 : this.live_mode && (n = k = !0);
              n || (this.allow_dragnodes && (this.node_dragged = c), this.selected_nodes[c.id] || this.processNodeSelected(c, a));
              this.dirty_canvas = !0;
            }
          } else {
            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 > u([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.scale ? this.selected_group_resizing = !0 : this.selected_group.recomputeInsideNodes()), f && this.showSearchBox(a), k = !0;
          }
          !e && k && this.allow_dragcanvas && (this.dragging_canvas = !0);
        } else {
          2 != a.which && 3 == a.which && this.processContextMenu(c, a);
        }
        this.last_mouse[0] = a.localX;
        this.last_mouse[1] = a.localY;
        this.last_mouseclick = l.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;
      }
    }
  };
  h.prototype.processMouseMove = function(a) {
    this.autoresize && this.resize();
    if (this.graph) {
      h.active_canvas = this;
      this.adjustMouseEvent(a);
      var b = [a.localX, a.localY], c = [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(c[0] / this.scale, c[1] / this.scale, a.ctrlKey), this.selected_group._nodes.length && (this.dirty_canvas = !0)), this.dirty_bgcanvas = !0;
        } else {
          if (this.dragging_canvas) {
            this.offset[0] += c[0] / this.scale, this.offset[1] += c[1] / this.scale, this.dirty_bgcanvas = this.dirty_canvas = !0;
          } else {
            if (this.allow_interaction) {
              this.connecting_node && (this.dirty_canvas = !0);
              var e = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes);
              b = 0;
              for (var f = this.graph._nodes.length; b < f; ++b) {
                if (this.graph._nodes[b].mouseOver && e != 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 (e) {
                if (!e.mouseOver && (e.mouseOver = !0, this.node_over = e, this.dirty_canvas = !0, e.onMouseEnter)) {
                  e.onMouseEnter(a);
                }
                if (e.onMouseMove) {
                  e.onMouseMove(a, [a.canvasX - e.pos[0], a.canvasY - e.pos[1]], this);
                }
                if (this.connecting_node && (f = this._highlight_input || [0, 0], !this.isOverNodeBox(e, a.canvasX, a.canvasY))) {
                  var k = this.isOverNodeInput(e, a.canvasX, a.canvasY, f);
                  -1 != k && e.inputs[k] ? l.isValidConnection(this.connecting_output.type, e.inputs[k].type) && (this._highlight_input = f) : this._highlight_input = null;
                }
                this.canvas && (t(a.canvasX, a.canvasY, e.pos[0] + e.size[0] - 5, e.pos[1] + e.size[1] - 5, 5, 5) ? this.canvas.style.cursor = "se-resize" : this.canvas.style.cursor = "");
              } else {
                this.canvas && (this.canvas.style.cursor = "");
              }
              if (this.node_capturing_input && this.node_capturing_input != e && this.node_capturing_input.onMouseMove) {
                this.node_capturing_input.onMouseMove(a);
              }
              if (this.node_dragged && !this.live_mode) {
                for (b in this.selected_nodes) {
                  e = this.selected_nodes[b], e.pos[0] += c[0] / this.scale, e.pos[1] += c[1] / this.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], c = Math.max(this.resizing_node.inputs ? this.resizing_node.inputs.length : 0, this.resizing_node.outputs ? this.resizing_node.outputs.length : 0) * l.NODE_SLOT_HEIGHT + (this.resizing_node.widgets ? this.resizing_node.widgets.length : 0) * (l.NODE_WIDGET_HEIGHT + 4) + 4, this.resizing_node.size[1] < c && (this.resizing_node.size[1] = 
              c), this.resizing_node.size[0] < l.NODE_MIN_WIDTH && (this.resizing_node.size[0] = l.NODE_MIN_WIDTH), this.canvas.style.cursor = "se-resize", this.dirty_bgcanvas = this.dirty_canvas = !0);
            }
          }
        }
      }
      a.preventDefault();
      return !1;
    }
  };
  h.prototype.processMouseUp = function(a) {
    if (this.graph) {
      var b = this.getCanvasWindow().document;
      h.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 = l.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 c = new Float32Array(4);
            this.deselectAllNodes();
            var e = Math.abs(this.dragging_rectangle[2]), f = Math.abs(this.dragging_rectangle[3]), k = 0 > this.dragging_rectangle[3] ? this.dragging_rectangle[1] - f : this.dragging_rectangle[1];
            this.dragging_rectangle[0] = 0 > this.dragging_rectangle[2] ? this.dragging_rectangle[0] - e : this.dragging_rectangle[0];
            this.dragging_rectangle[1] = k;
            this.dragging_rectangle[2] = e;
            this.dragging_rectangle[3] = f;
            f = [];
            for (k = 0; k < b.length; ++k) {
              e = b[k], e.getBounding(c), w(this.dragging_rectangle, c) && f.push(e);
            }
            f.length && this.selectNodes(f);
          }
          this.dragging_rectangle = null;
        } else {
          if (this.connecting_node) {
            this.dirty_bgcanvas = this.dirty_canvas = !0;
            if (e = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes)) {
              this.connecting_output.type == l.EVENT && this.isOverNodeBox(e, a.canvasX, a.canvasY) ? this.connecting_node.connect(this.connecting_slot, e, l.EVENT) : (b = this.isOverNodeInput(e, a.canvasX, a.canvasY), -1 != b ? this.connecting_node.connect(this.connecting_slot, e, b) : (b = e.getInputInfo(0), this.connecting_output.type == l.EVENT ? this.connecting_node.connect(this.connecting_slot, e, l.EVENT) : b && !b.link && l.isValidConnection(b.type && this.connecting_output.type) && this.connecting_node.connect(this.connecting_slot, 
              e, 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) {
                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 {
                e = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes);
                !e && 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;
    }
  };
  h.prototype.processMouseWheel = function(a) {
    if (this.graph && this.allow_dragcanvas) {
      var b = null != a.wheelDeltaY ? a.wheelDeltaY : -60 * a.detail;
      this.adjustMouseEvent(a);
      var c = this.scale;
      0 < b ? c *= 1.1 : 0 > b && (c *= 1 / 1.1);
      this.setZoom(c, [a.localX, a.localY]);
      this.graph.change();
      a.preventDefault();
      return !1;
    }
  };
  h.prototype.isOverNodeBox = function(a, b, c) {
    var e = l.NODE_TITLE_HEIGHT;
    return t(b, c, a.pos[0] + 2, a.pos[1] + 2 - e, e - 4, e - 4) ? !0 : !1;
  };
  h.prototype.isOverNodeInput = function(a, b, c, e) {
    if (a.inputs) {
      for (var f = 0, k = a.inputs.length; f < k; ++f) {
        var n = a.getConnectionPos(!0, f);
        if (t(b, c, n[0] - 10, n[1] - 5, 20, 10)) {
          return e && (e[0] = n[0], e[1] = n[1]), f;
        }
      }
    }
    return -1;
  };
  h.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 c in this.selected_nodes) {
              if (this.selected_nodes[c].onKeyDown) {
                this.selected_nodes[c].onKeyDown(a);
              }
            }
          }
        } else {
          if ("keyup" == a.type && (32 == a.keyCode && (this.dragging_canvas = !1), this.selected_nodes)) {
            for (c in this.selected_nodes) {
              if (this.selected_nodes[c].onKeyUp) {
                this.selected_nodes[c].onKeyUp(a);
              }
            }
          }
        }
        this.graph.change();
        if (b) {
          return a.preventDefault(), !1;
        }
      }
    }
  };
  h.prototype.copyToClipboard = function() {
    var a = {nodes:[], links:[]}, b = 0, c = [], e;
    for (e in this.selected_nodes) {
      var f = this.selected_nodes[e];
      f._relative_id = b;
      c.push(f);
      b += 1;
    }
    for (e = 0; e < c.length; ++e) {
      if (f = c[e], a.nodes.push(f.clone().serialize()), f.inputs && f.inputs.length) {
        for (b = 0; b < f.inputs.length; ++b) {
          var k = f.inputs[b];
          if (k && null != k.link && (k = this.graph.links[k.link])) {
            var n = this.graph.getNodeById(k.origin_id);
            n && this.selected_nodes[n.id] && a.links.push([n._relative_id, b, f._relative_id, k.target_slot]);
          }
        }
      }
    }
    localStorage.setItem("litegrapheditor_clipboard", JSON.stringify(a));
  };
  h.prototype.pasteFromClipboard = function() {
    var a = localStorage.getItem("litegrapheditor_clipboard");
    if (a) {
      a = JSON.parse(a);
      for (var b = [], c = 0; c < a.nodes.length; ++c) {
        var e = a.nodes[c], f = l.createNode(e.type);
        f && (f.configure(e), f.pos[0] += 5, f.pos[1] += 5, this.graph.add(f), b.push(f));
      }
      for (c = 0; c < a.links.length; ++c) {
        e = a.links[c], b[e[0]].connect(e[1], b[e[2]], e[3]);
      }
      this.selectNodes(b);
    }
  };
  h.prototype.processDrop = function(a) {
    a.preventDefault();
    this.adjustMouseEvent(a);
    var b = [a.canvasX, a.canvasY], c = this.graph.getNodeOnPos(b[0], b[1]);
    if (c) {
      if ((c.onDropFile || c.onDropData) && (b = a.dataTransfer.files) && b.length) {
        for (var e = 0; e < b.length; e++) {
          var f = a.dataTransfer.files[0], k = f.name;
          h.getFileExtension(k);
          if (c.onDropFile) {
            c.onDropFile(f);
          }
          if (c.onDropData) {
            var n = new FileReader;
            n.onload = function(a) {
              c.onDropData(a.target.result, k, f);
            };
            var l = f.type.split("/")[0];
            "text" == l || "" == l ? n.readAsText(f) : "image" == l ? n.readAsDataURL(f) : n.readAsArrayBuffer(f);
          }
        }
      }
      return c.onDropItem && c.onDropItem(event) ? !0 : this.onDropItem ? this.onDropItem(event) : !1;
    }
    b = null;
    this.onDropItem && (b = this.onDropItem(event));
    b || this.checkDropItem(a);
  };
  h.prototype.checkDropItem = function(a) {
    if (a.dataTransfer.files.length) {
      var b = a.dataTransfer.files[0], c = h.getFileExtension(b.name).toLowerCase();
      if (c = l.node_types_by_file_extension[c]) {
        if (c = l.createNode(c.type), c.pos = [a.canvasX, a.canvasY], this.graph.add(c), c.onDropFile) {
          c.onDropFile(b);
        }
      }
    }
  };
  h.prototype.processNodeDblClicked = function(a) {
    if (this.onShowNodePanel) {
      this.onShowNodePanel(a);
    }
    if (this.onNodeDblClicked) {
      this.onNodeDblClicked(a);
    }
    this.setDirty(!0);
  };
  h.prototype.processNodeSelected = function(a, b) {
    this.selectNode(a, b && b.shiftKey);
    if (this.onNodeSelected) {
      this.onNodeSelected(a);
    }
  };
  h.prototype.processNodeDeselected = function(a) {
    this.deselectNode(a);
    if (this.onNodeDeselected) {
      this.onNodeDeselected(a);
    }
  };
  h.prototype.selectNode = function(a, b) {
    null == a ? this.deselectAllNodes() : this.selectNodes([a], b);
  };
  h.prototype.selectNodes = function(a, b) {
    b || this.deselectAllNodes();
    a = a || this.graph._nodes;
    for (b = 0; b < a.length; ++b) {
      var c = a[b];
      if (!c.is_selected) {
        if (!c.is_selected && c.onSelected) {
          c.onSelected();
        }
        c.is_selected = !0;
        this.selected_nodes[c.id] = c;
        if (c.inputs) {
          for (var e = 0; e < c.inputs.length; ++e) {
            this.highlighted_links[c.inputs[e].link] = !0;
          }
        }
        if (c.outputs) {
          for (e = 0; e < c.outputs.length; ++e) {
            var f = c.outputs[e];
            if (f.links) {
              for (var k = 0; k < f.links.length; ++k) {
                this.highlighted_links[f.links[k]] = !0;
              }
            }
          }
        }
      }
    }
    this.setDirty(!0);
  };
  h.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 c = a.outputs[b];
          if (c.links) {
            for (var e = 0; e < c.links.length; ++e) {
              delete this.highlighted_links[c.links[e]];
            }
          }
        }
      }
    }
  };
  h.prototype.deselectAllNodes = function() {
    if (this.graph) {
      for (var a = this.graph._nodes, b = 0, c = a.length; b < c; ++b) {
        var e = a[b];
        if (e.is_selected) {
          if (e.onDeselected) {
            e.onDeselected();
          }
          e.is_selected = !1;
        }
      }
      this.selected_nodes = {};
      this.highlighted_links = {};
      this.setDirty(!0);
    }
  };
  h.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);
  };
  h.prototype.centerOnNode = function(a) {
    this.offset[0] = -a.pos[0] - 0.5 * a.size[0] + 0.5 * this.canvas.width / this.scale;
    this.offset[1] = -a.pos[1] - 0.5 * a.size[1] + 0.5 * this.canvas.height / this.scale;
    this.setDirty(!0, !0);
  };
  h.prototype.adjustMouseEvent = function(a) {
    if (this.canvas) {
      var b = this.canvas.getBoundingClientRect();
      a.localX = a.pageX - b.left;
      a.localY = a.pageY - b.top;
    } else {
      a.localX = a.pageX, a.localY = a.pageY;
    }
    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.scale - this.offset[0];
    a.canvasY = a.localY / this.scale - this.offset[1];
  };
  h.prototype.setZoom = function(a, b) {
    !b && this.canvas && (b = [0.5 * this.canvas.width, 0.5 * this.canvas.height]);
    var c = this.convertOffsetToCanvas(b);
    this.scale = a;
    this.scale > this.max_zoom ? this.scale = this.max_zoom : this.scale < this.min_zoom && (this.scale = this.min_zoom);
    a = this.convertOffsetToCanvas(b);
    c = [a[0] - c[0], a[1] - c[1]];
    this.offset[0] += c[0];
    this.offset[1] += c[1];
    this.dirty_bgcanvas = this.dirty_canvas = !0;
  };
  h.prototype.convertOffsetToCanvas = function(a, b) {
    b = b || [];
    b[0] = a[0] / this.scale - this.offset[0];
    b[1] = a[1] / this.scale - this.offset[1];
    return b;
  };
  h.prototype.convertCanvasToOffset = function(a, b) {
    b = b || [];
    b[0] = (a[0] + this.offset[0]) * this.scale;
    b[1] = (a[1] + this.offset[1]) * this.scale;
    return b;
  };
  h.prototype.convertEventToCanvas = function(a) {
    var b = this.canvas.getBoundingClientRect();
    return this.convertOffsetToCanvas([a.pageX - b.left, a.pageY - b.top]);
  };
  h.prototype.bringToFront = function(a) {
    var b = this.graph._nodes.indexOf(a);
    -1 != b && (this.graph._nodes.splice(b, 1), this.graph._nodes.push(a));
  };
  h.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 z = new Float32Array(4);
  h.prototype.computeVisibleNodes = function(a, b) {
    b = b || [];
    b.length = 0;
    a = a || this.graph._nodes;
    for (var c = 0, e = a.length; c < e; ++c) {
      var f = a[c];
      (!this.live_mode || f.onDrawBackground || f.onDrawForeground) && w(this.visible_area, f.getBounding(z)) && b.push(f);
    }
    return b;
  };
  h.prototype.draw = function(a, b) {
    if (this.canvas) {
      var c = l.getTime();
      this.render_time = 0.001 * (c - this.last_draw_time);
      this.last_draw_time = c;
      if (this.graph) {
        var e = -this.offset[0], f = -this.offset[1], k = e + this.canvas.width / this.scale, n = f + this.canvas.height / this.scale;
        this.visible_area[0] = e;
        this.visible_area[1] = f;
        this.visible_area[2] = k - e;
        this.visible_area[3] = n - f;
      }
      (this.dirty_bgcanvas || b || this.always_render_background || this.graph && this.graph._last_trigger_time && 1000 > c - 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;
    }
  };
  h.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();
        a.scale(this.scale, this.scale);
        a.translate(this.offset[0], this.offset[1]);
        b = this.computeVisibleNodes(null, this.visible_nodes);
        for (var c = 0; c < b.length; ++c) {
          var e = b[c];
          a.save();
          a.translate(e.pos[0], e.pos[1]);
          this.drawNode(e, 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 l.EVENT:
              b = l.EVENT_LINK_COLOR;
              break;
            default:
              b = l.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.flags.horizontal ? l.DOWN : l.RIGHT), l.CENTER);
          a.beginPath();
          this.connecting_output.type === l.EVENT || this.connecting_output.shape === l.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();
    }
  };
  h.prototype.renderInfo = function(a, b, c) {
    b = b || 0;
    c = c || 0;
    a.save();
    a.translate(b, c);
    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();
  };
  h.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 c = this.graph._subgraph_node;
      b.strokeStyle = c.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 = c.bgcolor;
      for (var e = "", f = 1; f < this._graph_stack.length; ++f) {
        e += this._graph_stack[f]._subgraph_node.getTitle() + " >> ";
      }
      b.fillText(e + c.getTitle(), 0.5 * a.width, 40);
      b.restore();
    }
    c = !1;
    this.onRenderBackground && (c = this.onRenderBackground(a, b));
    b.restore();
    b.setTransform(1, 0, 0, 1, 0, 0);
    if (this.graph) {
      b.save();
      b.scale(this.scale, this.scale);
      b.translate(this.offset[0], this.offset[1]);
      if (this.background_image && 0.5 < this.scale && !c) {
        b.globalAlpha = this.zoom_modify_alpha ? (1.0 - 0.5 / this.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 k = this;
          this._bg_img.onload = function() {
            k.draw(!0, !0);
          };
        }
        c = null;
        null == this._pattern && 0 < this._bg_img.width ? (c = b.createPattern(this._bg_img, "repeat"), this._pattern_img = this._bg_img, this._pattern = c) : c = this._pattern;
        c && (b.fillStyle = c, 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 p = new Float32Array(2);
  h.prototype.drawNode = function(a, b) {
    this.current_node = a;
    var c = a.color || a.constructor.color || l.NODE_DEFAULT_COLOR, e = a.bgcolor || a.constructor.bgcolor || l.NODE_DEFAULT_BGCOLOR;
    if (this.live_mode) {
      if (!a.flags.collapsed && (b.shadowColor = "transparent", a.onDrawForeground)) {
        a.onDrawForeground(b, this, this.canvas);
      }
    } else {
      var f = this.editor_alpha;
      b.globalAlpha = f;
      this.render_shadows ? (b.shadowColor = l.DEFAULT_SHADOW_COLOR, b.shadowOffsetX = 2 * this.scale, b.shadowOffsetY = 2 * this.scale, b.shadowBlur = 3 * this.scale) : b.shadowColor = "transparent";
      if (!a.flags.collapsed || !a.onDrawCollaped || 1 != a.onDrawCollapsed(b, this)) {
        var k = a._shape || l.BOX_SHAPE;
        p.set(a.size);
        var n = a.horizontal || a.flags.horizontal;
        if (a.flags.collapsed) {
          b.font = this.inner_text_font;
          var h = a.getTitle ? a.getTitle() : a.title;
          a._collapsed_width = Math.min(a.size[0], b.measureText(h).width + 40);
          p[0] = a._collapsed_width;
          p[1] = 0;
        }
        a.clip_area && (b.save(), b.beginPath(), k == l.BOX_SHAPE ? b.rect(0, 0, p[0], p[1]) : k == l.ROUND_SHAPE ? b.roundRect(0, 0, p[0], p[1], 10) : k == l.CIRCLE_SHAPE && b.arc(0.5 * p[0], 0.5 * p[1], 0.5 * p[0], 0, 2 * Math.PI), b.clip());
        this.drawNodeShape(a, b, p, c, e, a.is_selected, a.mouseOver);
        b.shadowColor = "transparent";
        b.textAlign = n ? "center" : "left";
        b.font = this.inner_text_font;
        e = 0.6 < this.scale;
        k = this.connecting_output;
        b.lineWidth = 1;
        h = 0;
        var d = new Float32Array(2);
        if (a.flags.collapsed) {
          f = e = null;
          if (a.inputs) {
            for (c = 0; c < a.inputs.length; c++) {
              if (g = a.inputs[c], null != g.link) {
                e = g;
                break;
              }
            }
          }
          if (a.outputs) {
            for (c = 0; c < a.outputs.length; c++) {
              g = a.outputs[c], g.links && g.links.length && (f = g);
            }
          }
          e && (c = 0, e = -0.5 * l.NODE_TITLE_HEIGHT, n && (c = 0.5 * a._collapsed_width, e = -l.NODE_TITLE_HEIGHT), b.fillStyle = g.color_on || this.default_connection_color.input_on, b.beginPath(), g.type === l.EVENT || g.shape === l.BOX_SHAPE ? b.rect(c - 7 + 0.5, e + 4 - 0.5 * l.NODE_TITLE_HEIGHT + 0.5, 14, l.NODE_TITLE_HEIGHT - 8) : g.shape === l.ARROW_SHAPE ? (b.moveTo(c + 8, e), b.lineTo(c + -4, e - 4), b.lineTo(c + -4, e + 4), b.closePath()) : b.arc(c, e, 4, 0, 2 * Math.PI), b.fill());
          f && (c = a._collapsed_width, e = -0.5 * l.NODE_TITLE_HEIGHT, n && (c = 0.5 * a._collapsed_width, e = 0), b.fillStyle = g.color_on || this.default_connection_color.output_on, b.strokeStyle = "black", b.beginPath(), g.type === l.EVENT || g.shape === l.BOX_SHAPE ? b.rect(c - 7 + 0.5, e + 4 - 0.5 * l.NODE_TITLE_HEIGHT + 0.5, 14, l.NODE_TITLE_HEIGHT - 8) : g.shape === l.ARROW_SHAPE ? (b.moveTo(c + 6, e), b.lineTo(c - 6, e - 4), b.lineTo(c - 6, e + 4), b.closePath()) : b.arc(c, e, 4, 0, 2 * 
          Math.PI), b.fill(), b.stroke());
        } else {
          if (a.inputs) {
            for (c = 0; c < a.inputs.length; c++) {
              var g = a.inputs[c];
              b.globalAlpha = f;
              this.connecting_node && l.isValidConnection(g.type && k.type) && (b.globalAlpha = 0.4 * f);
              b.fillStyle = null != g.link ? g.color_on || this.default_connection_color.input_on : g.color_off || this.default_connection_color.input_off;
              var x = a.getConnectionPos(!0, c, d);
              x[0] -= a.pos[0];
              x[1] -= a.pos[1];
              h < x[1] + 0.5 * l.NODE_SLOT_HEIGHT && (h = x[1] + 0.5 * l.NODE_SLOT_HEIGHT);
              b.beginPath();
              g.type === l.EVENT || g.shape === l.BOX_SHAPE ? n ? b.rect(x[0] - 5 + 0.5, x[1] - 8 + 0.5, 10, 14) : b.rect(x[0] - 6 + 0.5, x[1] - 5 + 0.5, 14, 10) : g.shape === l.ARROW_SHAPE ? (b.moveTo(x[0] + 8, x[1] + 0.5), b.lineTo(x[0] - 4, x[1] + 6 + 0.5), b.lineTo(x[0] - 4, x[1] - 6 + 0.5), b.closePath()) : b.arc(x[0], x[1], 4, 0, 2 * Math.PI);
              b.fill();
              if (e) {
                var m = null != g.label ? g.label : g.name;
                m && (b.fillStyle = l.NODE_TEXT_COLOR, n || g.dir == l.UP ? b.fillText(m, x[0], x[1] - 10) : b.fillText(m, x[0] + 10, x[1] + 5));
              }
            }
          }
          this.connecting_node && (b.globalAlpha = 0.4 * f);
          b.textAlign = n ? "center" : "right";
          b.strokeStyle = "black";
          if (a.outputs) {
            for (c = 0; c < a.outputs.length; c++) {
              if (g = a.outputs[c], x = a.getConnectionPos(!1, c, d), x[0] -= a.pos[0], x[1] -= a.pos[1], h < x[1] + 0.5 * l.NODE_SLOT_HEIGHT && (h = x[1] + 0.5 * l.NODE_SLOT_HEIGHT), b.fillStyle = g.links && g.links.length ? g.color_on || this.default_connection_color.output_on : g.color_off || this.default_connection_color.output_off, b.beginPath(), g.type === l.EVENT || g.shape === l.BOX_SHAPE ? n ? b.rect(x[0] - 5 + 0.5, x[1] - 8 + 0.5, 10, 14) : b.rect(x[0] - 6 + 0.5, x[1] - 5 + 0.5, 14, 10) : 
              g.shape === l.ARROW_SHAPE ? (b.moveTo(x[0] + 8, x[1] + 0.5), b.lineTo(x[0] - 4, x[1] + 6 + 0.5), b.lineTo(x[0] - 4, x[1] - 6 + 0.5), b.closePath()) : b.arc(x[0], x[1], 4, 0, 2 * Math.PI), b.fill(), b.stroke(), e && (m = null != g.label ? g.label : g.name)) {
                b.fillStyle = l.NODE_TEXT_COLOR, n || g.dir == l.DOWN ? b.fillText(m, x[0], x[1] - 8) : b.fillText(m, x[0] - 10, x[1] + 5);
              }
            }
          }
          b.textAlign = "left";
          b.globalAlpha = 1;
          if (a.widgets) {
            if (n || a.widgets_up) {
              h = 2;
            }
            this.drawNodeWidgets(a, h, b, this.node_widget && this.node_widget[0] == a ? this.node_widget[1] : null);
          }
          if (a.onDrawForeground) {
            a.onDrawForeground(b, this, this.canvas);
          }
        }
        a.clip_area && b.restore();
        b.globalAlpha = 1.0;
      }
    }
  };
  var g = new Float32Array(4);
  h.prototype.drawNodeShape = function(a, b, c, e, f, k, n) {
    b.strokeStyle = e;
    b.fillStyle = f;
    f = l.NODE_TITLE_HEIGHT;
    var p = a._shape || a.constructor.shape || l.BOX_SHAPE, d = a.constructor.title_mode, m = !0;
    d == l.TRANSPARENT_TITLE ? m = !1 : d == l.AUTOHIDE_TITLE && n && (m = !0);
    g[0] = 0;
    g[1] = m ? -f : 0;
    g[2] = c[0] + 1;
    g[3] = m ? c[1] + f : c[1];
    a.flags.collapsed || (b.beginPath(), p == l.BOX_SHAPE || 0.5 > this.scale ? b.fillRect(g[0], g[1], g[2], g[3]) : p == l.ROUND_SHAPE || p == l.CARD_SHAPE ? b.roundRect(g[0], g[1], g[2], g[3], this.round_radius, p == l.CARD_SHAPE ? 0 : this.round_radius) : p == l.CIRCLE_SHAPE && b.arc(0.5 * c[0], 0.5 * c[1], 0.5 * c[0], 0, 2 * Math.PI), b.fill());
    b.shadowColor = "transparent";
    a.bgImage && a.bgImage.width && b.drawImage(a.bgImage, 0.5 * (c[0] - a.bgImage.width), 0.5 * (c[1] - a.bgImage.height));
    a.bgImageUrl && !a.bgImage && (a.bgImage = a.loadImage(a.bgImageUrl));
    if (a.onDrawBackground) {
      a.onDrawBackground(b, this, this.canvas);
    }
    if (m || d == l.TRANSPARENT_TITLE) {
      if (a.onDrawTitleBar) {
        a.onDrawTitleBar(b, f, c, this.scale, e);
      } else {
        if (d != l.TRANSPARENT_TITLE) {
          a.flags.collapsed && (b.shadowColor = l.DEFAULT_SHADOW_COLOR);
          this.use_gradients ? (n = h.gradients[e], n || (n = h.gradients[e] = b.createLinearGradient(0, 0, 400, 0), n.addColorStop(0, e), n.addColorStop(1, "#000")), b.fillStyle = n) : b.fillStyle = e;
          var x = b.globalAlpha;
          b.beginPath();
          p == l.BOX_SHAPE || 0.5 > this.scale ? b.rect(0, -f, c[0] + 1, f) : (p == l.ROUND_SHAPE || p == l.CARD_SHAPE) && b.roundRect(0, -f, c[0] + 1, f, this.round_radius, a.flags.collapsed ? this.round_radius : 0);
          b.fill();
          b.shadowColor = "transparent";
        }
      }
      if (a.onDrawTitleBox) {
        a.onDrawTitleBox(b, f, c, this.scale);
      } else {
        p == l.ROUND_SHAPE || p == l.CIRCLE_SHAPE || p == l.CARD_SHAPE ? (0.5 < this.scale && (b.fillStyle = "black", b.beginPath(), b.arc(0.5 * f, -0.5 * f, 0.5 * (f - 8), 0, 2 * Math.PI), b.fill()), b.fillStyle = a.boxcolor || l.NODE_DEFAULT_BOXCOLOR, b.beginPath(), b.arc(0.5 * f, -0.5 * f, 0.4 * (f - 8), 0, 2 * Math.PI), b.fill()) : (0.5 < this.scale && (b.fillStyle = "black", b.fillRect(4, -f + 4, f - 8, f - 8)), b.fillStyle = a.boxcolor || l.NODE_DEFAULT_BOXCOLOR, b.fillRect(5, -f + 5, f - 10, 
        f - 10));
      }
      b.globalAlpha = x;
      if (a.onDrawTitleText) {
        a.onDrawTitleText(b, f, c, this.scale, this.title_text_font, k);
      }
      0.5 < this.scale && (b.font = this.title_text_font, n = a.getTitle()) && (b.fillStyle = k ? "white" : a.constructor.title_text_color || this.node_title_color, a.flags.collapsed ? (b.textAlign = "center", x = b.measureText(n), b.fillText(n, f + 0.5 * x.width, 0.2 * -f), b.textAlign = "left") : (b.textAlign = "left", b.fillText(n, f, 0.2 * -f)));
      if (a.onDrawTitle) {
        a.onDrawTitle(b);
      }
    }
    if (k) {
      if (a.onBounding) {
        a.onBounding(g);
      }
      d == l.TRANSPARENT_TITLE && (g[1] -= f, g[3] += f);
      b.lineWidth = 1;
      b.globalAlpha = 0.8;
      b.beginPath();
      p == l.BOX_SHAPE ? b.rect(-6 + g[0], -6 + g[1], 12 + g[2], 12 + g[3]) : p == l.ROUND_SHAPE || p == l.CARD_SHAPE && a.flags.collapsed ? b.roundRect(-6 + g[0], -6 + g[1], 12 + g[2], 12 + g[3], 2 * this.round_radius) : p == l.CARD_SHAPE ? b.roundRect(-6 + g[0], -6 + g[1], 12 + g[2], 12 + g[3], 2 * this.round_radius, 2) : p == l.CIRCLE_SHAPE && b.arc(0.5 * c[0], 0.5 * c[1], 0.5 * c[0] + 6, 0, 2 * Math.PI);
      b.strokeStyle = "#FFF";
      b.stroke();
      b.strokeStyle = e;
      b.globalAlpha = 1;
    }
  };
  h.prototype.drawConnections = function(a) {
    var b = l.getTime(), c = this.visible_area;
    c = new Float32Array([c[0] - 20, c[1] - 20, c[2] + 40, c[3] + 40]);
    var e = new Float32Array(4), f = new Float32Array(2), k = new Float32Array(2);
    a.lineWidth = this.connections_width;
    a.fillStyle = "#AAA";
    a.strokeStyle = "#AAA";
    a.globalAlpha = this.editor_alpha;
    for (var n = this.graph._nodes, h = 0, p = n.length; h < p; ++h) {
      var d = n[h];
      if (d.inputs && d.inputs.length) {
        for (var g = 0; g < d.inputs.length; ++g) {
          var m = d.inputs[g];
          if (m && null != m.link && (m = this.graph.links[m.link])) {
            var q = this.graph.getNodeById(m.origin_id);
            if (null != q) {
              var u = m.origin_slot;
              var t = -1 == u ? [q.pos[0] + 10, q.pos[1] + 10] : q.getConnectionPos(!1, u, f);
              var y = d.getConnectionPos(!0, g, k);
              e[0] = t[0];
              e[1] = t[1];
              e[2] = y[0] - t[0];
              e[3] = y[1] - t[1];
              0 > e[2] && (e[0] += e[2], e[2] = Math.abs(e[2]));
              0 > e[3] && (e[1] += e[3], e[3] = Math.abs(e[3]));
              if (w(e, c)) {
                var v = q.outputs[u];
                u = d.inputs[g];
                if (v && u && (q = v.dir || (q.flags.horizontal ? l.DOWN : l.RIGHT), u = u.dir || (d.flags.horizontal ? l.UP : l.LEFT), this.renderLink(a, t, y, m, !1, 0, null, q, u), m && m._last_time && 1000 > b - m._last_time)) {
                  v = 2.0 - 0.002 * (b - m._last_time);
                  var z = a.globalAlpha;
                  a.globalAlpha = z * v;
                  this.renderLink(a, t, y, m, !0, v, "white", q, u);
                  a.globalAlpha = z;
                }
              }
            }
          }
        }
      }
    }
    a.globalAlpha = 1;
  };
  h.prototype.renderLink = function(a, b, c, e, f, k, n, p, d) {
    if (this.highquality_render) {
      p = p || l.RIGHT;
      d = d || l.LEFT;
      var g = u(b, c);
      this.render_connections_border && 0.6 < this.scale && (a.lineWidth = this.connections_width + 4);
      !n && e && (n = e.color || h.link_type_colors[e.type]);
      n || (n = this.default_link_color);
      null != e && this.highlighted_links[e.id] && (n = "#FFF");
      a.beginPath();
      if (this.render_curved_connections) {
        a.moveTo(b[0], b[1]);
        var m = e = 0, B = 0, q = 0;
        switch(p) {
          case l.LEFT:
            e = -0.25 * g;
            break;
          case l.RIGHT:
            e = 0.25 * g;
            break;
          case l.UP:
            m = -0.25 * g;
            break;
          case l.DOWN:
            m = 0.25 * g;
        }
        switch(d) {
          case l.LEFT:
            B = -0.25 * g;
            break;
          case l.RIGHT:
            B = 0.25 * g;
            break;
          case l.UP:
            q = -0.25 * g;
            break;
          case l.DOWN:
            q = 0.25 * g;
        }
        a.bezierCurveTo(b[0] + e, b[1] + m, c[0] + B, c[1] + q, c[0], c[1]);
      } else {
        a.moveTo(b[0] + 10, b[1]), a.lineTo(0.5 * (b[0] + 10 + (c[0] - 10)), b[1]), a.lineTo(0.5 * (b[0] + 10 + (c[0] - 10)), c[1]), a.lineTo(c[0] - 10, c[1]);
      }
      this.render_connections_border && 0.6 < this.scale && !f && (a.strokeStyle = "rgba(0,0,0,0.5)", a.stroke());
      a.lineWidth = this.connections_width;
      a.fillStyle = a.strokeStyle = n;
      a.stroke();
      this.render_connection_arrows && 0.6 <= this.scale && this.render_connection_arrows && 0.6 < this.scale && (f = this.computeConnectionPoint(b, c, 0.5, p, d), n = this.computeConnectionPoint(b, c, 0.51, p, d), n = this.render_curved_connections ? -Math.atan2(n[0] - f[0], n[1] - f[1]) : c[1] > b[1] ? 0 : Math.PI, a.save(), a.translate(f[0], f[1]), a.rotate(n), a.beginPath(), a.moveTo(-5, -5), a.lineTo(0, 5), a.lineTo(5, -5), a.fill(), a.restore());
      if (k) {
        for (k = 0; 5 > k; ++k) {
          f = (0.001 * l.getTime() + 0.2 * k) % 1, f = this.computeConnectionPoint(b, c, f, p, d), a.beginPath(), a.arc(f[0], f[1], 5, 0, 2 * Math.PI), a.fill();
        }
      }
    } else {
      a.beginPath(), a.moveTo(b[0], b[1]), a.lineTo(c[0], c[1]), a.stroke();
    }
  };
  h.prototype.computeConnectionPoint = function(a, b, c, e, f) {
    e = e || l.RIGHT;
    f = f || l.LEFT;
    var k = u(a, b), n = [a[0], a[1]], h = [b[0], b[1]];
    switch(e) {
      case l.LEFT:
        n[0] += -0.25 * k;
        break;
      case l.RIGHT:
        n[0] += 0.25 * k;
        break;
      case l.UP:
        n[1] += -0.25 * k;
        break;
      case l.DOWN:
        n[1] += 0.25 * k;
    }
    switch(f) {
      case l.LEFT:
        h[0] += -0.25 * k;
        break;
      case l.RIGHT:
        h[0] += 0.25 * k;
        break;
      case l.UP:
        h[1] += -0.25 * k;
        break;
      case l.DOWN:
        h[1] += 0.25 * k;
    }
    e = (1 - c) * (1 - c) * (1 - c);
    f = 3 * (1 - c) * (1 - c) * c;
    k = 3 * (1 - c) * c * c;
    c *= c * c;
    return [e * a[0] + f * n[0] + k * h[0] + c * b[0], e * a[1] + f * n[1] + k * h[1] + c * b[1]];
  };
  h.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, c = 0; c < b.length; ++c) {
      var e = b[c];
      a.fillStyle = "black";
      a.fillRect(e.pos[0] - l.NODE_TITLE_HEIGHT, e.pos[1] - l.NODE_TITLE_HEIGHT, l.NODE_TITLE_HEIGHT, l.NODE_TITLE_HEIGHT);
      0 == e.order && a.strokeRect(e.pos[0] - l.NODE_TITLE_HEIGHT + 0.5, e.pos[1] - l.NODE_TITLE_HEIGHT + 0.5, l.NODE_TITLE_HEIGHT, l.NODE_TITLE_HEIGHT);
      a.fillStyle = "#FFF";
      a.fillText(e.order, e.pos[0] + -0.5 * l.NODE_TITLE_HEIGHT, e.pos[1] - 6);
    }
    a.globalAlpha = 1;
  };
  h.prototype.drawNodeWidgets = function(a, b, c, e) {
    if (!a.widgets || !a.widgets.length) {
      return 0;
    }
    var f = a.size[0], k = a.widgets;
    b += 2;
    var n = l.NODE_WIDGET_HEIGHT, h = 0.5 < this.scale;
    c.save();
    c.globalAlpha = this.editor_alpha;
    for (var p = 0; p < k.length; ++p) {
      var d = k[p], g = b;
      d.y && (g = d.y);
      d.last_y = g;
      c.strokeStyle = "#AAA";
      c.fillStyle = "#222";
      c.textAlign = "left";
      switch(d.type) {
        case "button":
          d.clicked && (c.fillStyle = "#AAA", d.clicked = !1, this.dirty_canvas = !0);
          c.fillRect(10, g, f - 20, n);
          c.strokeRect(10, g, f - 20, n);
          h && (c.textAlign = "center", c.fillStyle = "#AAA", c.fillText(d.name, 0.5 * f, g + 0.7 * n));
          break;
        case "toggle":
          c.textAlign = "left";
          c.strokeStyle = "#AAA";
          c.fillStyle = "#111";
          c.beginPath();
          c.roundRect(10, b, f - 20, n, 0.5 * n);
          c.fill();
          c.stroke();
          c.fillStyle = d.value ? "#89A" : "#333";
          c.beginPath();
          c.arc(f - 20, g + 0.5 * n, 0.36 * n, 0, 2 * Math.PI);
          c.fill();
          h && (c.fillStyle = "#999", null != d.name && c.fillText(d.name, 20, g + 0.7 * n), c.fillStyle = d.value ? "#DDD" : "#888", c.textAlign = "right", c.fillText(d.value ? d.options.on || "true" : d.options.off || "false", f - 30, g + 0.7 * n));
          break;
        case "slider":
          c.fillStyle = "#111";
          c.fillRect(10, g, f - 20, n);
          var m = (d.value - d.options.min) / (d.options.max - d.options.min);
          c.fillStyle = e == d ? "#89A" : "#678";
          c.fillRect(10, g, m * (f - 20), n);
          c.strokeRect(10, g, f - 20, n);
          h && (c.textAlign = "center", c.fillStyle = "#DDD", c.fillText(d.name + "  " + Number(d.value).toFixed(3), 0.5 * f, g + 0.7 * n));
          break;
        case "number":
        case "combo":
          c.textAlign = "left";
          c.strokeStyle = "#AAA";
          c.fillStyle = "#111";
          c.beginPath();
          c.roundRect(10, b, f - 20, n, 0.5 * n);
          c.fill();
          c.stroke();
          h && (c.fillStyle = "#AAA", c.beginPath(), c.moveTo(26, b + 5), c.lineTo(16, b + 0.5 * n), c.lineTo(26, b + n - 5), c.moveTo(f - 26, b + 5), c.lineTo(f - 16, b + 0.5 * n), c.lineTo(f - 26, b + n - 5), c.fill(), c.fillStyle = "#999", c.fillText(d.name, 30, g + 0.7 * n), c.fillStyle = "#DDD", c.textAlign = "right", "number" == d.type ? c.fillText(Number(d.value).toFixed(void 0 !== d.options.precision ? d.options.precision : 3), f - 40, g + 0.7 * n) : c.fillText(d.value, f - 40, g + 0.7 * 
          n));
          break;
        case "string":
        case "text":
          c.textAlign = "left";
          c.strokeStyle = "#AAA";
          c.fillStyle = "#111";
          c.beginPath();
          c.roundRect(10, b, f - 20, n, 0.5 * n);
          c.fill();
          c.stroke();
          h && (c.fillStyle = "#999", null != d.name && c.fillText(d.name, 20, g + 0.7 * n), c.fillStyle = "#DDD", c.textAlign = "right", c.fillText(d.value, f - 20, g + 0.7 * n));
          break;
        default:
          d.draw && d.draw(c, a, d, g, n);
      }
      b += n + 4;
    }
    c.restore();
  };
  h.prototype.processNodeWidgets = function(a, b, c, e) {
    if (!a.widgets || !a.widgets.length) {
      return null;
    }
    for (var f = b[0] - a.pos[0], k = b[1] - a.pos[1], n = a.size[0], h = this, d = this.getCanvasWindow(), p = 0; p < a.widgets.length; ++p) {
      var g = a.widgets[p];
      if (g == e || 6 < f && f < n - 12 && k > g.last_y && k < g.last_y + l.NODE_WIDGET_HEIGHT) {
        switch(g.type) {
          case "button":
            g.callback && setTimeout(function() {
              g.callback(g, h, a, b);
            }, 20);
            this.dirty_canvas = g.clicked = !0;
            break;
          case "slider":
            c = Math.clamp((f - 10) / (n - 20), 0, 1);
            g.value = g.options.min + (g.options.max - g.options.min) * c;
            g.callback && setTimeout(function() {
              g.callback(g.value, h, a, b);
            }, 20);
            this.dirty_canvas = !0;
            break;
          case "number":
          case "combo":
            "mousemove" == c.type && "number" == g.type ? (g.value += 0.1 * c.deltaX * (g.options.step || 1), null != g.options.min && g.value < g.options.min && (g.value = g.options.min), null != g.options.max && g.value > g.options.max && (g.value = g.options.max)) : "mousedown" == c.type && ((e = g.options.values) && e.constructor === Function && (e = g.options.values(g, a)), f = 40 > f ? -1 : f > n - 40 ? 1 : 0, "number" == g.type ? (g.value += 0.1 * f * (g.options.step || 1), null != g.options.min && 
            g.value < g.options.min && (g.value = g.options.min), null != g.options.max && g.value > g.options.max && (g.value = g.options.max)) : f ? (c = e.indexOf(g.value) + f, c >= e.length && (c = 0), 0 > c && (c = e.length - 1), g.value = e[c]) : new l.ContextMenu(e, {event:c, className:"dark", callback:function(a, b, c) {
              this.value = a;
              h.dirty_canvas = !0;
              return !1;
            }.bind(g)}, d));
            g.callback && setTimeout(function() {
              this.callback(this.value, h, a, b);
            }.bind(g), 20);
            this.dirty_canvas = !0;
            break;
          case "toggle":
            "mousedown" == c.type && (g.value = !g.value, g.callback && setTimeout(function() {
              g.callback(g.value, h, a, b);
            }, 20));
            break;
          case "string":
          case "text":
            "mousedown" == c.type && this.prompt("Value", g.value, function(b) {
              this.value = b;
              g.callback && g.callback(b, h, a);
            }.bind(g), c);
            break;
          default:
            g.mouse && g.mouse(ctx, c, [f, k], a);
        }
        return g;
      }
    }
    return null;
  };
  h.prototype.drawGroups = function(a, b) {
    if (this.graph) {
      a = this.graph._groups;
      b.save();
      b.globalAlpha = 0.5 * this.editor_alpha;
      for (var c = 0; c < a.length; ++c) {
        var e = a[c];
        if (w(this.visible_area, e._bounding)) {
          b.fillStyle = e.color || "#335";
          b.strokeStyle = e.color || "#335";
          var f = e._pos, k = e._size;
          b.globalAlpha = 0.25 * this.editor_alpha;
          b.beginPath();
          b.rect(f[0] + 0.5, f[1] + 0.5, k[0], k[1]);
          b.fill();
          b.globalAlpha = this.editor_alpha;
          b.stroke();
          b.beginPath();
          b.moveTo(f[0] + k[0], f[1] + k[1]);
          b.lineTo(f[0] + k[0] - 10, f[1] + k[1]);
          b.lineTo(f[0] + k[0], f[1] + k[1] - 10);
          b.fill();
          k = e.font_size || l.DEFAULT_GROUP_FONT_SIZE;
          b.font = k + "px Arial";
          b.fillText(e.title, f[0] + 4, f[1] + k);
        }
      }
      b.restore();
    }
  };
  h.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);
    }
  };
  h.prototype.switchLiveMode = function(a) {
    if (a) {
      var b = this, c = this.live_mode ? 1.1 : 0.9;
      this.live_mode && (this.live_mode = !1, this.editor_alpha = 0.1);
      var e = setInterval(function() {
        b.editor_alpha *= c;
        b.dirty_canvas = !0;
        b.dirty_bgcanvas = !0;
        1 > c && 0.01 > b.editor_alpha && (clearInterval(e), 1 > c && (b.live_mode = !0));
        1 < c && 0.99 < b.editor_alpha && (clearInterval(e), b.editor_alpha = 1);
      }, 1);
    } else {
      this.live_mode = !this.live_mode, this.dirty_bgcanvas = this.dirty_canvas = !0;
    }
  };
  h.prototype.onNodeSelectionChange = function(a) {
  };
  h.prototype.touchHandler = function(a) {
    var b = a.changedTouches[0];
    switch(a.type) {
      case "touchstart":
        var c = "mousedown";
        break;
      case "touchmove":
        c = "mousemove";
        break;
      case "touchend":
        c = "mouseup";
        break;
      default:
        return;
    }
    var e = this.getCanvasWindow(), f = e.document.createEvent("MouseEvent");
    f.initMouseEvent(c, !0, !0, e, 1, b.screenX, b.screenY, b.clientX, b.clientY, !1, !1, !1, !1, 0, null);
    b.target.dispatchEvent(f);
    a.preventDefault();
  };
  h.onGroupAdd = function(a, b, c) {
    a = h.active_canvas;
    a.getCanvasWindow();
    b = new l.LGraphGroup;
    b.pos = a.convertEventToCanvas(c);
    a.graph.add(b);
  };
  h.onMenuAdd = function(a, b, c, e) {
    function f(a, b) {
      b = e.getFirstEvent();
      if (a = l.createNode(a.value)) {
        a.pos = k.convertEventToCanvas(b), k.graph.add(a);
      }
    }
    var k = h.active_canvas, n = k.getCanvasWindow();
    a = l.getNodeTypesCategories();
    b = [];
    for (var g in a) {
      a[g] && b.push({value:a[g], content:a[g], has_submenu:!0});
    }
    var d = new l.ContextMenu(b, {event:c, callback:function(a, b, c) {
      a = l.getNodeTypesInCategory(a.value, k.filter);
      b = [];
      for (var e in a) {
        a[e].skip_list || b.push({content:a[e].title, value:a[e].type});
      }
      new l.ContextMenu(b, {event:c, callback:f, parentMenu:d}, n);
      return !1;
    }, parentMenu:e}, n);
    return !1;
  };
  h.onMenuCollapseAll = function() {
  };
  h.onMenuNodeEdit = function() {
  };
  h.showMenuNodeOptionalInputs = function(a, b, c, e, f) {
    if (f) {
      var k = this;
      a = h.active_canvas.getCanvasWindow();
      b = f.optional_inputs;
      f.onGetInputs && (b = f.onGetInputs());
      var n = [];
      if (b) {
        for (var g in b) {
          var d = b[g];
          if (d) {
            var p = d[0];
            d[2] && d[2].label && (p = d[2].label);
            p = {content:p, value:d};
            d[1] == l.ACTION && (p.className = "event");
            n.push(p);
          } else {
            n.push(null);
          }
        }
      }
      this.onMenuNodeInputs && (n = this.onMenuNodeInputs(n));
      if (n.length) {
        return new l.ContextMenu(n, {event:c, callback:function(a, b, c) {
          f && (a.callback && a.callback.call(k, f, a, b, c), a.value && (f.addInput(a.value[0], a.value[1], a.value[2]), f.setDirtyCanvas(!0, !0)));
        }, parentMenu:e, node:f}, a), !1;
      }
    }
  };
  h.showMenuNodeOptionalOutputs = function(a, b, c, e, f) {
    function k(a, b, c) {
      if (f && (a.callback && a.callback.call(n, f, a, b, c), a.value)) {
        if (c = a.value[1], !c || c.constructor !== Object && c.constructor !== Array) {
          f.addOutput(a.value[0], a.value[1], a.value[2]), f.setDirtyCanvas(!0, !0);
        } else {
          a = [];
          for (var g in c) {
            a.push({content:g, value:c[g]});
          }
          new l.ContextMenu(a, {event:b, callback:k, parentMenu:e, node:f});
          return !1;
        }
      }
    }
    if (f) {
      var n = this;
      a = h.active_canvas.getCanvasWindow();
      b = f.optional_outputs;
      f.onGetOutputs && (b = f.onGetOutputs());
      var g = [];
      if (b) {
        for (var d in b) {
          var p = b[d];
          if (!p) {
            g.push(null);
          } else {
            if (!f.flags || !f.flags.skip_repeated_outputs || -1 == f.findOutputSlot(p[0])) {
              var m = p[0];
              p[2] && p[2].label && (m = p[2].label);
              m = {content:m, value:p};
              p[1] == l.EVENT && (m.className = "event");
              g.push(m);
            }
          }
        }
      }
      this.onMenuNodeOutputs && (g = this.onMenuNodeOutputs(g));
      if (g.length) {
        return new l.ContextMenu(g, {event:c, callback:k, parentMenu:e, node:f}, a), !1;
      }
    }
  };
  h.onShowMenuNodeProperties = function(a, b, c, e, f) {
    if (f && f.properties) {
      var k = h.active_canvas;
      b = k.getCanvasWindow();
      var g = [], d;
      for (d in f.properties) {
        a = void 0 !== f.properties[d] ? f.properties[d] : " ", a = h.decodeHTML(a), g.push({content:"<span class='property_name'>" + d + "</span><span class='property_value'>" + a + "</span>", value:d});
      }
      if (g.length) {
        return new l.ContextMenu(g, {event:c, callback:function(a, b, c, e) {
          f && (b = this.getBoundingClientRect(), k.showEditPropertyValue(f, a.value, {position:[b.left, b.top]}));
        }, parentMenu:e, allow_html:!0, node:f}, b), !1;
      }
    }
  };
  h.decodeHTML = function(a) {
    var b = document.createElement("div");
    b.innerText = a;
    return b.innerHTML;
  };
  h.onResizeNode = function(a, b, c, e, f) {
    f && (f.size = f.computeSize(), f.setDirtyCanvas(!0, !0));
  };
  h.onShowPropertyEditor = function(a, b, c, e, f) {
    function k() {
      var b = p.value;
      "Number" == a.type ? b = Number(b) : "Boolean" == a.type && (b = !!b);
      f[g] = b;
      d.parentNode.removeChild(d);
      f.setDirtyCanvas(!0, !0);
    }
    var g = a.property || "title";
    b = f[g];
    var d = document.createElement("div");
    d.className = "graphdialog";
    d.innerHTML = "<span class='name'></span><input autofocus type='text' class='value'/><button>OK</button>";
    d.querySelector(".name").innerText = g;
    var p = d.querySelector("input");
    p && (p.value = b, p.addEventListener("blur", function(a) {
      this.focus();
    }), p.addEventListener("keydown", function(a) {
      13 == a.keyCode && (k(), a.preventDefault(), a.stopPropagation());
    }));
    b = h.active_canvas.canvas;
    c = b.getBoundingClientRect();
    var l = e = -20;
    c && (e -= c.left, l -= c.top);
    event ? (d.style.left = event.pageX + e + "px", d.style.top = event.pageY + l + "px") : (d.style.left = 0.5 * b.width + e + "px", d.style.top = 0.5 * b.height + l + "px");
    d.querySelector("button").addEventListener("click", k);
    b.parentNode.appendChild(d);
  };
  h.prototype.prompt = function(a, b, c, e) {
    var f = this;
    a = a || "";
    var k = document.createElement("div");
    k.className = "graphdialog rounded";
    k.innerHTML = "<span class='name'></span> <input autofocus type='text' class='value'/><button class='rounded'>OK</button>";
    k.close = function() {
      f.prompt_box = null;
      k.parentNode.removeChild(k);
    };
    k.addEventListener("mouseleave", function(a) {
      k.close();
    });
    f.prompt_box && f.prompt_box.close();
    f.prompt_box = k;
    k.querySelector(".name").innerText = a;
    k.querySelector(".value").value = b;
    var g = k.querySelector("input");
    g.addEventListener("keydown", function(a) {
      if (27 == a.keyCode) {
        k.close();
      } else {
        if (13 == a.keyCode) {
          c && c(this.value), k.close();
        } else {
          return;
        }
      }
      a.preventDefault();
      a.stopPropagation();
    });
    k.querySelector("button").addEventListener("click", function(a) {
      c && c(g.value);
      f.setDirty(!0);
      k.close();
    });
    a = h.active_canvas.canvas;
    b = a.getBoundingClientRect();
    var d = -20, p = -20;
    b && (d -= b.left, p -= b.top);
    e ? (k.style.left = e.pageX + d + "px", k.style.top = e.pageY + p + "px") : (k.style.left = 0.5 * a.width + d + "px", k.style.top = 0.5 * a.height + p + "px");
    a.parentNode.appendChild(k);
    setTimeout(function() {
      g.focus();
    }, 10);
    return k;
  };
  h.search_limit = -1;
  h.prototype.showSearchBox = function(a) {
    function b(b) {
      if (b) {
        if (f.onSearchBoxSelection) {
          f.onSearchBoxSelection(b, a, u);
        } else {
          var c = l.searchbox_extras[b];
          c && (b = c.type);
          if (b = l.createNode(b)) {
            b.pos = u.convertEventToCanvas(a), u.graph.add(b);
          }
          if (c && c.data) {
            if (c.data.properties) {
              for (var e in c.data.properties) {
                b.addProperty(c.data.properties[e][0], c.data.properties[e][0]);
              }
            }
            if (c.data.inputs) {
              for (e in b.inputs = [], c.data.inputs) {
                b.addOutput(c.data.inputs[e][0], c.data.inputs[e][1]);
              }
            }
            if (c.data.outputs) {
              for (e in b.outputs = [], c.data.outputs) {
                b.addOutput(c.data.outputs[e][0], c.data.outputs[e][1]);
              }
            }
            c.data.title && (b.title = c.data.title);
            c.data.json && b.configure(c.data.json);
          }
        }
      }
      k.close();
    }
    function c(a) {
      var b = m;
      m && m.classList.remove("selected");
      m ? (m = a ? m.nextSibling : m.previousSibling) || (m = b) : m = a ? g.childNodes[0] : g.childNodes[g.childNodes.length];
      m && (m.classList.add("selected"), m.scrollIntoView());
    }
    function e() {
      function a(a, c) {
        var e = document.createElement("div");
        d || (d = a);
        e.innerText = a;
        e.dataset.type = escape(a);
        e.className = "litegraph lite-search-item";
        c && (e.className += " " + c);
        e.addEventListener("click", function(a) {
          b(unescape(this.dataset.type));
        });
        g.appendChild(e);
      }
      p = null;
      var c = q.value;
      d = null;
      g.innerHTML = "";
      if (c) {
        if (f.onSearchBox) {
          var e = f.onSearchBox(help, c, u);
          if (e) {
            for (var k = 0; k < e.length; ++k) {
              a(e[k]);
            }
          }
        } else {
          e = 0;
          c = c.toLowerCase();
          for (k in l.searchbox_extras) {
            var L = l.searchbox_extras[k];
            if (-1 !== L.desc.toLowerCase().indexOf(c) && (a(L.desc, "searchbox_extra"), -1 !== h.search_limit && e++ > h.search_limit)) {
              break;
            }
          }
          if (Array.prototype.filter) {
            for (L = Object.keys(l.registered_node_types).filter(function(a) {
              return -1 !== a.toLowerCase().indexOf(c);
            }), k = 0; k < L.length && !(a(L[k]), -1 !== h.search_limit && e++ > h.search_limit); k++) {
            }
          } else {
            for (k in l.registered_node_types) {
              if (-1 != k.indexOf(c) && (a(k), -1 !== h.search_limit && e++ > h.search_limit)) {
                break;
              }
            }
          }
        }
      }
    }
    var f = this, k = document.createElement("div");
    k.className = "litegraph litesearchbox graphdialog rounded";
    k.innerHTML = "<span class='name'>Search</span> <input autofocus type='text' class='value rounded'/><div class='helper'></div>";
    k.close = function() {
      f.search_box = null;
      setTimeout(function() {
        f.canvas.focus();
      }, 10);
      k.parentNode.removeChild(k);
    };
    k.addEventListener("mouseleave", function(a) {
      k.close();
    });
    f.search_box && f.search_box.close();
    f.search_box = k;
    var g = k.querySelector(".helper"), d = null, p = null, m = null, q = k.querySelector("input");
    q && (q.addEventListener("blur", function(a) {
      this.focus();
    }), q.addEventListener("keydown", function(a) {
      if (38 == a.keyCode) {
        c(!1);
      } else {
        if (40 == a.keyCode) {
          c(!0);
        } else {
          if (27 == a.keyCode) {
            k.close();
          } else {
            if (13 == a.keyCode) {
              m ? b(m.innerHTML) : d ? b(d) : k.close();
            } else {
              p && clearInterval(p);
              p = setTimeout(e, 10);
              return;
            }
          }
        }
      }
      a.preventDefault();
      a.stopPropagation();
    }));
    var u = h.active_canvas, t = u.canvas, w = t.getBoundingClientRect(), y = -20, v = -20;
    w && (y -= w.left, v -= w.top);
    a ? (k.style.left = a.pageX + y + "px", k.style.top = a.pageY + v + "px") : (k.style.left = 0.5 * t.width + y + "px", k.style.top = 0.5 * t.height + v + "px");
    t.parentNode.appendChild(k);
    q.focus();
    return k;
  };
  h.prototype.showEditPropertyValue = function(a, b, c) {
    function e() {
      f(m.value);
    }
    function f(c) {
      "number" == typeof a.properties[b] && (c = Number(c));
      "array" == k && (c = c.split(",").map(Number));
      a.properties[b] = c;
      a._graph && a._graph._version++;
      if (a.onPropertyChanged) {
        a.onPropertyChanged(b, c);
      }
      l.close();
      a.setDirtyCanvas(!0, !0);
    }
    if (a && void 0 !== a.properties[b]) {
      c = c || {};
      var k = "string";
      null !== a.properties[b] && (k = typeof a.properties[b]);
      "object" == k && a.properties[b].length && (k = "array");
      var g = null;
      a.getPropertyInfo && (g = a.getPropertyInfo(b));
      if (a.properties_info) {
        for (var d = 0; d < a.properties_info.length; ++d) {
          if (a.properties_info[d].name == b) {
            g = a.properties_info[d];
            break;
          }
        }
      }
      void 0 !== g && null !== g && g.type && (k = g.type);
      var h = "";
      if ("string" == k || "number" == k || "array" == k) {
        h = "<input autofocus type='text' class='value'/>";
      } else {
        if ("enum" == k && g.values) {
          h = "<select autofocus type='text' class='value'>";
          for (d in g.values) {
            var p = g.values.constructor === Array ? g.values[d] : d;
            h += "<option value='" + p + "' " + (p == a.properties[b] ? "selected" : "") + ">" + g.values[d] + "</option>";
          }
          h += "</select>";
        } else {
          if ("boolean" == k) {
            h = "<input autofocus type='checkbox' class='value' " + (a.properties[b] ? "checked" : "") + "/>";
          } else {
            console.warn("unknown type: " + k);
            return;
          }
        }
      }
      var l = this.createDialog("<span class='name'>" + b + "</span>" + h + "<button>OK</button>", c);
      if ("enum" == k && g.values) {
        var m = l.querySelector("select");
        m.addEventListener("change", function(a) {
          f(a.target.value);
        });
      } else {
        if ("boolean" == k) {
          (m = l.querySelector("input")) && m.addEventListener("click", function(a) {
            f(!!m.checked);
          });
        } else {
          if (m = l.querySelector("input")) {
            m.addEventListener("blur", function(a) {
              this.focus();
            }), m.value = void 0 !== a.properties[b] ? a.properties[b] : "", m.addEventListener("keydown", function(a) {
              13 == a.keyCode && (e(), a.preventDefault(), a.stopPropagation());
            });
          }
        }
      }
      l.querySelector("button").addEventListener("click", e);
    }
  };
  h.prototype.createDialog = function(a, b) {
    b = b || {};
    var c = document.createElement("div");
    c.className = "graphdialog";
    c.innerHTML = a;
    a = this.canvas.getBoundingClientRect();
    var e = -20, f = -20;
    a && (e -= a.left, f -= a.top);
    b.position ? (e += b.position[0], f += b.position[1]) : b.event ? (e += b.event.pageX, f += b.event.pageY) : (e += 0.5 * this.canvas.width, f += 0.5 * this.canvas.height);
    c.style.left = e + "px";
    c.style.top = f + "px";
    this.canvas.parentNode.appendChild(c);
    c.close = function() {
      this.parentNode && this.parentNode.removeChild(this);
    };
    return c;
  };
  h.onMenuNodeCollapse = function(a, b, c, e, f) {
    f.collapse();
  };
  h.onMenuNodePin = function(a, b, c, e, f) {
    f.pin();
  };
  h.onMenuNodeMode = function(a, b, c, e, f) {
    new l.ContextMenu(["Always", "On Event", "On Trigger", "Never"], {event:c, callback:function(a) {
      if (f) {
        switch(a) {
          case "On Event":
            f.mode = l.ON_EVENT;
            break;
          case "On Trigger":
            f.mode = l.ON_TRIGGER;
            break;
          case "Never":
            f.mode = l.NEVER;
            break;
          default:
            f.mode = l.ALWAYS;
        }
      }
    }, parentMenu:e, node:f});
    return !1;
  };
  h.onMenuNodeColors = function(a, b, c, e, f) {
    if (!f) {
      throw "no node for color";
    }
    b = [];
    b.push({value:null, content:"<span style='display: block; padding-left: 4px;'>No color</span>"});
    for (var k in h.node_colors) {
      a = h.node_colors[k], a = {value:k, content:"<span style='display: block; color: #999; padding-left: 4px; border-left: 8px solid " + a.color + "; background-color:" + a.bgcolor + "'>" + k + "</span>"}, b.push(a);
    }
    new l.ContextMenu(b, {event:c, callback:function(a) {
      f && ((a = a.value ? h.node_colors[a.value] : null) ? f.constructor === l.LGraphGroup ? f.color = a.groupcolor : (f.color = a.color, f.bgcolor = a.bgcolor) : (delete f.color, delete f.bgcolor), f.setDirtyCanvas(!0, !0));
    }, parentMenu:e, node:f});
    return !1;
  };
  h.onMenuNodeShapes = function(a, b, c, e, f) {
    if (!f) {
      throw "no node passed";
    }
    new l.ContextMenu(l.VALID_SHAPES, {event:c, callback:function(a) {
      f && (f.shape = a, f.setDirtyCanvas(!0));
    }, parentMenu:e, node:f});
    return !1;
  };
  h.onMenuNodeRemove = function(a, b, c, e, f) {
    if (!f) {
      throw "no node passed";
    }
    !1 !== f.removable && (f.graph.remove(f), f.setDirtyCanvas(!0, !0));
  };
  h.onMenuNodeClone = function(a, b, c, e, f) {
    0 != f.clonable && (a = f.clone()) && (a.pos = [f.pos[0] + 5, f.pos[1] + 5], f.graph.add(a), f.setDirtyCanvas(!0, !0));
  };
  h.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"}};
  h.prototype.getCanvasMenuOptions = function() {
    if (this.getMenuOptions) {
      var a = this.getMenuOptions();
    } else {
      a = [{content:"Add Node", has_submenu:!0, callback:h.onMenuAdd}, {content:"Add Group", callback:h.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;
  };
  h.prototype.getNodeMenuOptions = function(a) {
    var b = a.getMenuOptions ? a.getMenuOptions(this) : [{content:"Inputs", has_submenu:!0, disabled:!0, callback:h.showMenuNodeOptionalInputs}, {content:"Outputs", has_submenu:!0, disabled:!0, callback:h.showMenuNodeOptionalOutputs}, null, {content:"Properties", has_submenu:!0, callback:h.onShowMenuNodeProperties}, null, {content:"Title", callback:h.onShowPropertyEditor}, {content:"Mode", has_submenu:!0, callback:h.onMenuNodeMode}, {content:"Resize", callback:h.onResizeNode}, {content:"Collapse", 
    callback:h.onMenuNodeCollapse}, {content:"Pin", callback:h.onMenuNodePin}, {content:"Colors", has_submenu:!0, callback:h.onMenuNodeColors}, {content:"Shapes", has_submenu:!0, callback:h.onMenuNodeShapes}, null];
    if (a.onGetInputs) {
      var c = a.onGetInputs();
      c && c.length && (b[0].disabled = !1);
    }
    a.onGetOutputs && (c = a.onGetOutputs()) && c.length && (b[1].disabled = !1);
    a.getExtraMenuOptions && (c = a.getExtraMenuOptions(this)) && (c.push(null), b = c.concat(b));
    !1 !== a.clonable && b.push({content:"Clone", callback:h.onMenuNodeClone});
    !1 !== a.removable && b.push(null, {content:"Remove", callback:h.onMenuNodeRemove});
    if (a.graph && a.graph.onGetNodeMenuOptions) {
      a.graph.onGetNodeMenuOptions(b, a);
    }
    return b;
  };
  h.prototype.getGroupMenuOptions = function(a) {
    return [{content:"Title", callback:h.onShowPropertyEditor}, {content:"Color", has_submenu:!0, callback:h.onMenuNodeColors}, {content:"Font size", property:"font_size", type:"Number", callback:h.onShowPropertyEditor}, null, {content:"Remove", callback:h.onMenuNodeRemove}];
  };
  h.prototype.processContextMenu = function(a, b) {
    var c = this, e = h.active_canvas.getCanvasWindow(), f = null, k = {event:b, callback:function(b, e, f) {
      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 k = b.input ? a.getInputInfo(b.slot) : a.getOutputInfo(b.slot), g = c.createDialog("<span class='name'>Name</span><input autofocus type='text'/><button>OK</button>", e), d = g.querySelector("input");
              d && k && (d.value = k.label);
              g.querySelector("button").addEventListener("click", function(a) {
                d.value && (k && (k.label = d.value), c.setDirty(!0));
                g.close();
              });
            }
          }
        }
      }
    }, extra:a}, g = null;
    a && (g = a.getSlotInPosition(b.canvasX, b.canvasY), h.active_node = a);
    g ? (f = [], g && g.output && g.output.links && g.output.links.length && f.push({content:"Disconnect Links", slot:g}), f.push(g.locked ? "Cannot remove" : {content:"Remove Slot", slot:g}), f.push(g.nameLocked ? "Cannot rename" : {content:"Rename Slot", slot:g}), k.title = (g.input ? g.input.type : g.output.type) || "*", g.input && g.input.type == l.ACTION && (k.title = "Action"), g.output && g.output.type == l.EVENT && (k.title = "Event")) : a ? f = this.getNodeMenuOptions(a) : (f = this.getCanvasMenuOptions(), 
    (b = this.graph.getGroupOnPos(b.canvasX, b.canvasY)) && f.push(null, {content:"Edit Group", has_submenu:!0, submenu:{title:"Group", extra:b, options:this.getGroupMenuOptions(b)}}));
    f && new l.ContextMenu(f, k, e);
  };
  this.CanvasRenderingContext2D && (CanvasRenderingContext2D.prototype.roundRect = function(a, b, c, e, f, k) {
    void 0 === f && (f = 5);
    void 0 === k && (k = f);
    this.moveTo(a + f, b);
    this.lineTo(a + c - f, b);
    this.quadraticCurveTo(a + c, b, a + c, b + f);
    this.lineTo(a + c, b + e - k);
    this.quadraticCurveTo(a + c, b + e, a + c - k, b + e);
    this.lineTo(a + k, b + e);
    this.quadraticCurveTo(a, b + e, a, b + e - k);
    this.lineTo(a, b + f);
    this.quadraticCurveTo(a, b, a + f, b);
  });
  l.compareObjects = function(a, b) {
    for (var c in a) {
      if (a[c] != b[c]) {
        return !1;
      }
    }
    return !0;
  };
  l.distance = u;
  l.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") + ")";
  };
  l.isInsideRectangle = t;
  l.growBounding = function(a, b, c) {
    b < a[0] ? a[0] = b : b > a[2] && (a[2] = b);
    c < a[1] ? a[1] = c : c > a[3] && (a[3] = c);
  };
  l.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;
  };
  l.overlapBounding = w;
  l.hex2num = function(a) {
    "#" == a.charAt(0) && (a = a.slice(1));
    a = a.toUpperCase();
    for (var b = Array(3), c = 0, e, f, k = 0; 6 > k; k += 2) {
      e = "0123456789ABCDEF".indexOf(a.charAt(k)), f = "0123456789ABCDEF".indexOf(a.charAt(k + 1)), b[c] = 16 * e + f, c++;
    }
    return b;
  };
  l.num2hex = function(a) {
    for (var b = "#", c, e, f = 0; 3 > f; f++) {
      c = a[f] / 16, e = a[f] % 16, b += "0123456789ABCDEF".charAt(c) + "0123456789ABCDEF".charAt(e);
    }
    return b;
  };
  y.prototype.addItem = function(a, b, c) {
    function e(a) {
      var b = this.value;
      b && b.has_submenu && f.call(this, a);
    }
    function f(a) {
      var b = this.value, e = !0;
      k.current_submenu && k.current_submenu.close(a);
      if (c.callback) {
        var f = c.callback.call(this, b, c, a, k, c.node);
        !0 === f && (e = !1);
      }
      if (b && (b.callback && !c.ignore_item_callbacks && !0 !== b.disabled && (f = b.callback.call(this, b, c, a, k, c.extra), !0 === f && (e = !1)), b.submenu)) {
        if (!b.submenu.options) {
          throw "ContextMenu submenu needs options";
        }
        new k.constructor(b.submenu.options, {callback:b.submenu.callback, event:a, parentMenu:k, ignore_item_callbacks:b.submenu.ignore_item_callbacks, title:b.submenu.title, extra:b.submenu.extra, autoopen:c.autoopen});
        e = !1;
      }
      e && !k.lock && k.close();
    }
    var k = this;
    c = c || {};
    var g = document.createElement("div");
    g.className = "litemenu-entry submenu";
    var d = !1;
    if (null === b) {
      g.classList.add("separator");
    } else {
      g.innerHTML = b && b.title ? b.title : a;
      if (g.value = b) {
        b.disabled && (d = !0, g.classList.add("disabled")), (b.submenu || b.has_submenu) && g.classList.add("has_submenu");
      }
      "function" == typeof b ? (g.dataset.value = a, g.onclick_callback = b) : g.dataset.value = b;
      b.className && (g.className += " " + b.className);
    }
    this.root.appendChild(g);
    d || g.addEventListener("click", f);
    c.autoopen && g.addEventListener("mouseenter", e);
    return g;
  };
  y.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 && !y.isCursorOverElement(a, this.parentMenu.root) && y.trigger(this.parentMenu.root, "mouseleave", a));
    this.current_submenu && this.current_submenu.close(a, !0);
    this.root.closing_timer && clearTimeout(this.root.closing_timer);
  };
  y.trigger = function(a, b, c, e) {
    var f = document.createEvent("CustomEvent");
    f.initCustomEvent(b, !0, !0, c);
    f.srcElement = e;
    a.dispatchEvent ? a.dispatchEvent(f) : a.__events && a.__events.dispatchEvent(f);
    return f;
  };
  y.prototype.getTopMenu = function() {
    return this.options.parentMenu ? this.options.parentMenu.getTopMenu() : this;
  };
  y.prototype.getFirstEvent = function() {
    return this.options.parentMenu ? this.options.parentMenu.getFirstEvent() : this.options.event;
  };
  y.isCursorOverElement = function(a, b) {
    var c = a.pageX;
    a = a.pageY;
    return (b = b.getBoundingClientRect()) ? a > b.top && a < b.top + b.height && c > b.left && c < b.left + b.width ? !0 : !1 : !1;
  };
  l.ContextMenu = y;
  l.closeAllContextMenus = function(a) {
    a = a || window;
    a = a.document.querySelectorAll(".litecontextmenu");
    if (a.length) {
      for (var b = [], c = 0; c < a.length; c++) {
        b.push(a[c]);
      }
      for (c in b) {
        b[c].close ? b[c].close() : b[c].parentNode && b[c].parentNode.removeChild(b[c]);
      }
    }
  };
  l.extendClass = function(a, b) {
    for (var c in b) {
      a.hasOwnProperty(c) || (a[c] = b[c]);
    }
    if (b.prototype) {
      for (c in b.prototype) {
        b.prototype.hasOwnProperty(c) && !a.prototype.hasOwnProperty(c) && (b.prototype.__lookupGetter__(c) ? a.prototype.__defineGetter__(c, b.prototype.__lookupGetter__(c)) : a.prototype[c] = b.prototype[c], b.prototype.__lookupSetter__(c) && a.prototype.__defineSetter__(c, b.prototype.__lookupSetter__(c)));
      }
    }
  };
  l.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, c) {
    return b > a ? b : c < a ? c : 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(v) {
  function d() {
    this.addOutput("in ms", "number");
    this.addOutput("in sec", "number");
  }
  function m() {
    this.size = [120, 80];
    this.subgraph = new LGraph;
    this.subgraph._subgraph_node = this;
    this.subgraph._is_subgraph = !0;
    this.subgraph.onGlobalInputAdded = this.onSubgraphNewGlobalInput.bind(this);
    this.subgraph.onGlobalInputRenamed = this.onSubgraphRenamedGlobalInput.bind(this);
    this.subgraph.onGlobalInputTypeChanged = this.onSubgraphTypeChangeGlobalInput.bind(this);
    this.subgraph.onGlobalOutputAdded = this.onSubgraphNewGlobalOutput.bind(this);
    this.subgraph.onGlobalOutputRenamed = this.onSubgraphRenamedGlobalOutput.bind(this);
    this.subgraph.onGlobalOutputTypeChanged = this.onSubgraphTypeChangeGlobalOutput.bind(this);
    this.color = "#335";
    this.bgcolor = "#557";
  }
  function q() {
    var g = "input_" + (1000 * Math.random()).toFixed();
    this.addOutput(g, null);
    this.properties = {name:g, type:null};
    var a = this;
    Object.defineProperty(this.properties, "name", {get:function() {
      return g;
    }, set:function(b) {
      if ("" != b) {
        var c = a.getOutputInfo(0);
        c.name != b && (c.name = b, a.graph && a.graph.renameGlobalInput(g, b), g = b);
      }
    }, enumerable:!0});
    Object.defineProperty(this.properties, "type", {get:function() {
      return a.outputs[0].type;
    }, set:function(b) {
      a.outputs[0].type = b;
      a.graph && a.graph.changeGlobalInputType(g, a.outputs[0].type);
    }, enumerable:!0});
  }
  function h() {
    var g = "output_" + (1000 * Math.random()).toFixed();
    this.addInput(g, null);
    this._value = null;
    this.properties = {name:g, type:null};
    var a = this;
    Object.defineProperty(this.properties, "name", {get:function() {
      return g;
    }, set:function(b) {
      if ("" != b) {
        var c = a.getInputInfo(0);
        c.name != b && (c.name = b, a.graph && a.graph.renameGlobalOutput(g, b), g = b);
      }
    }, enumerable:!0});
    Object.defineProperty(this.properties, "type", {get:function() {
      return a.inputs[0].type;
    }, set:function(b) {
      a.inputs[0].type = b;
      a.graph && a.graph.changeGlobalInputType(g, a.inputs[0].type);
    }, enumerable:!0});
  }
  function u() {
    this.addOutput("value", "number");
    this.addProperty("value", 1.0);
  }
  function t() {
    this.addOutput("", "string");
    this.addProperty("value", "");
    this.widget = this.addWidget("text", "value", "", this.setValue.bind(this));
    this.widgets_up = !0;
  }
  function w() {
    this.size = [60, 20];
    this.addInput("value", 0, {label:""});
    this.value = 0;
  }
  function y() {
    this.addInput("in", 0);
    this.addOutput("out", 0);
    this.size = [40, 20];
  }
  function l() {
    this.mode = p.ON_EVENT;
    this.size = [60, 20];
    this.addProperty("msg", "");
    this.addInput("log", p.EVENT);
    this.addInput("msg", 0);
  }
  function z() {
    this.size = [60, 20];
    this.addProperty("onExecute", "");
    this.addInput("in", "");
    this.addInput("in2", "");
    this.addOutput("out", "");
    this.addOutput("out2", "");
    this._func = null;
  }
  var p = v.LiteGraph;
  d.title = "Time";
  d.desc = "Time";
  d.prototype.onExecute = function() {
    this.setOutputData(0, 1000 * this.graph.globaltime);
    this.setOutputData(1, this.graph.globaltime);
  };
  p.registerNodeType("basic/time", d);
  m.title = "Subgraph";
  m.desc = "Graph inside a node";
  m.prototype.onDrawTitle = function(g) {
    if (!this.flags.collapsed) {
      g.fillStyle = "#AAA";
      var a = p.NODE_TITLE_HEIGHT, b = this.size[0] - a;
      g.fillRect(b, -a, a, a);
      g.fillStyle = "#333";
      g.beginPath();
      g.moveTo(b + 0.2 * a, 0.6 * -a);
      g.lineTo(b + 0.8 * a, 0.6 * -a);
      g.lineTo(b + 0.5 * a, 0.3 * -a);
      g.fill();
    }
  };
  m.prototype.onDblClick = function(g, a, b) {
    var c = this;
    setTimeout(function() {
      b.openSubgraph(c.subgraph);
    }, 10);
  };
  m.prototype.onMouseDown = function(g, a, b) {
    if (!this.flags.collapsed && a[0] > this.size[0] - p.NODE_TITLE_HEIGHT && 0 > a[1]) {
      var c = this;
      setTimeout(function() {
        b.openSubgraph(c.subgraph);
      }, 10);
    }
  };
  m.prototype.onSubgraphNewGlobalInput = function(g, a) {
    this.addInput(g, a);
  };
  m.prototype.onSubgraphRenamedGlobalInput = function(g, a) {
    g = this.findInputSlot(g);
    -1 != g && (this.getInputInfo(g).name = a);
  };
  m.prototype.onSubgraphTypeChangeGlobalInput = function(g, a) {
    g = this.findInputSlot(g);
    -1 != g && (this.getInputInfo(g).type = a);
  };
  m.prototype.onSubgraphNewGlobalOutput = function(g, a) {
    this.addOutput(g, a);
  };
  m.prototype.onSubgraphRenamedGlobalOutput = function(g, a) {
    g = this.findOutputSlot(g);
    -1 != g && (this.getOutputInfo(g).name = a);
  };
  m.prototype.onSubgraphTypeChangeGlobalOutput = function(g, a) {
    g = this.findOutputSlot(g);
    -1 != g && (this.getOutputInfo(g).type = a);
  };
  m.prototype.getExtraMenuOptions = function(g) {
    var a = this;
    return [{content:"Open", callback:function() {
      g.openSubgraph(a.subgraph);
    }}];
  };
  m.prototype.onResize = function(g) {
    g[1] += 20;
  };
  m.prototype.onExecute = function() {
    if (this.inputs) {
      for (var g = 0; g < this.inputs.length; g++) {
        var a = this.inputs[g], b = this.getInputData(g);
        this.subgraph.setGlobalInputData(a.name, b);
      }
    }
    this.subgraph.runStep();
    if (this.outputs) {
      for (g = 0; g < this.outputs.length; g++) {
        b = this.subgraph.getGlobalOutputData(this.outputs[g].name), this.setOutputData(g, b);
      }
    }
  };
  m.prototype.configure = function(g) {
    LGraphNode.prototype.configure.call(this, g);
  };
  m.prototype.serialize = function() {
    var g = LGraphNode.prototype.serialize.call(this);
    g.subgraph = this.subgraph.serialize();
    return g;
  };
  m.prototype.clone = function() {
    var g = p.createNode(this.type), a = this.serialize();
    delete a.id;
    delete a.inputs;
    delete a.outputs;
    g.configure(a);
    return g;
  };
  p.registerNodeType("graph/subgraph", m);
  q.title = "Input";
  q.desc = "Input of the graph";
  q.prototype.onAdded = function() {
    this.graph.addGlobalInput(this.properties.name, this.properties.type);
  };
  q.prototype.onExecute = function() {
    var g = this.graph.global_inputs[this.properties.name];
    g && this.setOutputData(0, g.value);
  };
  p.registerNodeType("graph/input", q);
  h.title = "Output";
  h.desc = "Output of the graph";
  h.prototype.onAdded = function() {
    this.graph.addGlobalOutput(this.properties.name, this.properties.type);
  };
  h.prototype.getValue = function() {
    return this._value;
  };
  h.prototype.onExecute = function() {
    this._value = this.getInputData(0);
    this.graph.setGlobalOutputData(this.properties.name, this._value);
  };
  p.registerNodeType("graph/output", h);
  u.title = "Const Number";
  u.desc = "Constant number";
  u.prototype.onExecute = function() {
    this.setOutputData(0, parseFloat(this.properties.value));
  };
  u.prototype.onDrawBackground = function(g) {
    this.outputs[0].label = this.properties.value.toFixed(3);
  };
  p.registerNodeType("basic/const", u);
  t.title = "Const String";
  t.desc = "Constant string";
  t.prototype.setValue = function(g) {
    this.properties.value = g;
  };
  t.prototype.onPropertyChanged = function(g, a) {
    this.widget.value = a;
  };
  t.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
  };
  p.registerNodeType("basic/string", t);
  w.title = "Watch";
  w.desc = "Show value of input";
  w.prototype.onExecute = function() {
    this.inputs[0] && (this.value = this.getInputData(0));
  };
  w.toString = function(g) {
    if (null == g) {
      return "null";
    }
    if (g.constructor === Number) {
      return g.toFixed(3);
    }
    if (g.constructor === Array) {
      for (var a = "[", b = 0; b < g.length; ++b) {
        a += w.toString(g[b]) + (b + 1 != g.length ? "," : "");
      }
      return a + "]";
    }
    return String(g);
  };
  w.prototype.onDrawBackground = function(g) {
    this.inputs[0].label = w.toString(this.value);
  };
  p.registerNodeType("basic/watch", w);
  y.title = "Pass";
  y.desc = "Allows to connect different types";
  y.prototype.onExecute = function() {
    this.setOutputData(0, this.getInputData(0));
  };
  p.registerNodeType("basic/pass", y);
  l.title = "Console";
  l.desc = "Show value inside the console";
  l.prototype.onAction = function(g, a) {
    "log" == g ? console.log(a) : "warn" == g ? console.warn(a) : "error" == g && console.error(a);
  };
  l.prototype.onExecute = function() {
    var g = this.getInputData(1);
    null !== g && (this.properties.msg = g);
    console.log(g);
  };
  l.prototype.onGetInputs = function() {
    return [["log", p.ACTION], ["warn", p.ACTION], ["error", p.ACTION]];
  };
  p.registerNodeType("basic/console", l);
  z.title = "Script";
  z.desc = "executes a code";
  z.widgets_info = {onExecute:{type:"code"}};
  z.prototype.onPropertyChanged = function(g, a) {
    if ("onExecute" == g && p.allow_scripts) {
      this._func = null;
      try {
        this._func = new Function(a);
      } catch (b) {
        console.error("Error parsing script"), console.error(b);
      }
    }
  };
  z.prototype.onExecute = function() {
    if (this._func) {
      try {
        this._func.call(this);
      } catch (g) {
        console.error("Error in script"), console.error(g);
      }
    }
  };
  p.registerNodeType("basic/script", z);
})(this);
(function(v) {
  function d() {
    this.size = [60, 20];
    this.addInput("event", w.ACTION);
  }
  function m() {
    this.addInput("", w.ACTION);
    this.addInput("", w.ACTION);
    this.addInput("", w.ACTION);
    this.addInput("", w.ACTION);
    this.addInput("", w.ACTION);
    this.addInput("", w.ACTION);
    this.addOutput("", w.EVENT);
    this.addOutput("", w.EVENT);
    this.addOutput("", w.EVENT);
    this.addOutput("", w.EVENT);
    this.addOutput("", w.EVENT);
    this.addOutput("", w.EVENT);
    this.size = [120, 30];
    this.flags = {horizontal:!0, render_box:!1};
  }
  function q() {
    this.size = [60, 20];
    this.addInput("event", w.ACTION);
    this.addOutput("event", w.EVENT);
    this.properties = {equal_to:"", has_property:"", property_equal_to:""};
  }
  function h() {
    this.addInput("inc", w.ACTION);
    this.addInput("dec", w.ACTION);
    this.addInput("reset", w.ACTION);
    this.addOutput("change", w.EVENT);
    this.addOutput("num", "number");
    this.num = 0;
  }
  function u() {
    this.size = [60, 20];
    this.addProperty("time", 1000);
    this.addInput("event", w.ACTION);
    this.addOutput("on_time", w.EVENT);
    this._pending = [];
  }
  function t() {
    this.addProperty("interval", 1000);
    this.addProperty("event", "tick");
    this.addOutput("on_tick", w.EVENT);
    this.time = 0;
    this.last_interval = 1000;
    this.triggered = !1;
  }
  var w = v.LiteGraph;
  d.title = "Log Event";
  d.desc = "Log event in console";
  d.prototype.onAction = function(d, h) {
    console.log(d, h);
  };
  w.registerNodeType("events/log", d);
  m.title = "Sequencer";
  m.desc = "Trigger events when an event arrives";
  m.prototype.getTitle = function() {
    return "";
  };
  m.prototype.onAction = function(d, h) {
    if (this.outputs) {
      for (d = 0; d < this.outputs.length; ++d) {
        this.triggerSlot(d, h);
      }
    }
  };
  w.registerNodeType("events/sequencer", m);
  q.title = "Filter Event";
  q.desc = "Blocks events that do not match the filter";
  q.prototype.onAction = function(d, h) {
    if (null != h && (!this.properties.equal_to || this.properties.equal_to == h)) {
      if (this.properties.has_property && (d = h[this.properties.has_property], null == d || this.properties.property_equal_to && this.properties.property_equal_to != d)) {
        return;
      }
      this.triggerSlot(0, h);
    }
  };
  w.registerNodeType("events/filter", q);
  h.title = "Counter";
  h.desc = "Counts events";
  h.prototype.onAction = function(d, h) {
    h = this.num;
    "inc" == d ? this.num += 1 : "dec" == d ? --this.num : "reset" == d && (this.num = 0);
    this.num != h && this.trigger("change", this.num);
  };
  h.prototype.onDrawBackground = function(d) {
    this.flags.collapsed || (d.fillStyle = "#AAA", d.font = "20px Arial", d.textAlign = "center", d.fillText(this.num, 0.5 * this.size[0], 0.5 * this.size[1]));
  };
  h.prototype.onExecute = function() {
    this.setOutputData(1, this.num);
  };
  w.registerNodeType("events/counter", h);
  u.title = "Delay";
  u.desc = "Delays one event";
  u.prototype.onAction = function(d, h) {
    this._pending.push([this.properties.time, h]);
  };
  u.prototype.onExecute = function() {
    for (var d = 1000 * this.graph.elapsed_time, h = 0; h < this._pending.length; ++h) {
      var m = this._pending[h];
      m[0] -= d;
      0 < m[0] || (this._pending.splice(h, 1), --h, this.trigger(null, m[1]));
    }
  };
  u.prototype.onGetInputs = function() {
    return [["event", w.ACTION]];
  };
  w.registerNodeType("events/delay", u);
  t.title = "Timer";
  t.desc = "Sends an event every N milliseconds";
  t.prototype.onStart = function() {
    this.time = 0;
  };
  t.prototype.getTitle = function() {
    return "Timer: " + this.last_interval.toString() + "ms";
  };
  t.on_color = "#AAA";
  t.off_color = "#222";
  t.prototype.onDrawBackground = function() {
    this.boxcolor = this.triggered ? t.on_color : t.off_color;
    this.triggered = !1;
  };
  t.prototype.onExecute = function() {
    var d = 0 == this.time;
    this.time += 1000 * this.graph.elapsed_time;
    this.last_interval = Math.max(1, this.getInputOrProperty("interval") | 0);
    !d && (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));
  };
  t.prototype.onGetInputs = function() {
    return [["interval", "number"]];
  };
  t.prototype.onGetOutputs = function() {
    return [["tick", "boolean"]];
  };
  w.registerNodeType("events/timer", t);
})(this);
(function(v) {
  function d() {
    this.addOutput("clicked", z.EVENT);
    this.addProperty("text", "");
    this.addProperty("font_size", 40);
    this.addProperty("message", "");
    this.size = [64, 84];
  }
  function m() {
    this.addInput("", "boolean");
    this.addInput("e", z.ACTION);
    this.addOutput("v", "boolean");
    this.addOutput("e", z.EVENT);
    this.properties = {font:"", value:!1};
    this.size = [124, 64];
  }
  function q() {
    this.addOutput("", "number");
    this.size = [74, 54];
    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, wcolor:"#7AF", size:50};
  }
  function u() {
    this.addOutput("", "number");
    this.properties = {value:0.5, min:0, max:1, text:"V"};
    var d = this;
    this.size = [80, 60];
    this.slider = this.addWidget("slider", "V", this.properties.value, function(g) {
      d.properties.value = g;
    }, this.properties);
  }
  function t() {
    this.size = [160, 26];
    this.addOutput("", "number");
    this.properties = {wcolor:"#7AF", min:0, max:1, value:0.5};
  }
  function w() {
    this.size = [160, 26];
    this.addInput("", "number");
    this.properties = {min:0, max:1, value:0, wcolor:"#AAF"};
  }
  function y() {
    this.addInputs("", 0);
    this.properties = {value:"...", font:"Arial", fontsize:18, color:"#AAA", align:"left", glowSize:0, decimals:1};
  }
  function l() {
    this.size = [200, 100];
    this.properties = {borderColor:"#ffffff", bgcolorTop:"#f0f0f0", bgcolorBottom:"#e0e0e0", shadowSize:2, borderRadius:3};
  }
  var z = v.LiteGraph;
  d.title = "Button";
  d.desc = "Triggers an event";
  d.font = "Arial";
  d.prototype.onDrawForeground = function(h) {
    if (!this.flags.collapsed && (h.fillStyle = "black", h.fillRect(1, 1, this.size[0] - 3, this.size[1] - 3), h.fillStyle = "#AAF", h.fillRect(0, 0, this.size[0] - 3, this.size[1] - 3), h.fillStyle = this.clicked ? "white" : this.mouseOver ? "#668" : "#334", h.fillRect(1, 1, this.size[0] - 4, this.size[1] - 4), this.properties.text || 0 === this.properties.text)) {
      var g = this.properties.font_size || 30;
      h.textAlign = "center";
      h.fillStyle = this.clicked ? "black" : "white";
      h.font = g + "px " + d.font;
      h.fillText(this.properties.text, 0.5 * this.size[0], 0.5 * this.size[1] + 0.3 * g);
      h.textAlign = "left";
    }
  };
  d.prototype.onMouseDown = function(d, g) {
    if (1 < g[0] && 1 < g[1] && g[0] < this.size[0] - 2 && g[1] < this.size[1] - 2) {
      return this.clicked = !0, this.trigger("clicked", this.properties.message), !0;
    }
  };
  d.prototype.onMouseUp = function(d) {
    this.clicked = !1;
  };
  z.registerNodeType("widget/button", d);
  m.title = "Toggle";
  m.desc = "Toggles between true or false";
  m.prototype.onDrawForeground = function(d) {
    if (!this.flags.collapsed) {
      var g = 0.5 * this.size[1], a = 0.8 * this.size[1];
      d.fillStyle = "#AAA";
      d.fillRect(10, a - g, g, g);
      d.fillStyle = this.properties.value ? "#AEF" : "#000";
      d.fillRect(10 + 0.25 * g, a - g + 0.25 * g, .5 * g, .5 * g);
      d.textAlign = "left";
      d.font = this.properties.font || (0.8 * g).toFixed(0) + "px Arial";
      d.fillStyle = "#AAA";
      d.fillText(this.title, g + 20, 0.85 * a);
      d.textAlign = "left";
    }
  };
  m.prototype.onAction = function(d) {
    this.properties.value = !this.properties.value;
    this.trigger("e", this.properties.value);
  };
  m.prototype.onExecute = function() {
    var d = this.getInputData(0);
    null != d && (this.properties.value = d);
    this.setOutputData(0, this.properties.value);
  };
  m.prototype.onMouseDown = function(d, g) {
    if (1 < g[0] && 1 < g[1] && g[0] < this.size[0] - 2 && g[1] < this.size[1] - 2) {
      return this.properties.value = !this.properties.value, this.graph._version++, this.trigger("e", this.properties.value), !0;
    }
  };
  z.registerNodeType("widget/toggle", m);
  q.title = "Number";
  q.desc = "Widget to select number value";
  q.pixels_threshold = 10;
  q.markers_color = "#666";
  q.prototype.onDrawForeground = function(d) {
    var g = 0.5 * this.size[0], a = this.size[1];
    30 < a ? (d.fillStyle = q.markers_color, d.beginPath(), d.moveTo(g, 0.1 * a), d.lineTo(g + 0.1 * a, 0.2 * a), d.lineTo(g + -0.1 * a, 0.2 * a), d.fill(), d.beginPath(), d.moveTo(g, 0.9 * a), d.lineTo(g + 0.1 * a, 0.8 * a), d.lineTo(g + -0.1 * a, 0.8 * a), d.fill(), d.font = (0.7 * a).toFixed(1) + "px Arial") : d.font = (0.8 * a).toFixed(1) + "px Arial";
    d.textAlign = "center";
    d.font = (0.7 * a).toFixed(1) + "px Arial";
    d.fillStyle = "#EEE";
    d.fillText(this.properties.value.toFixed(this._precision), g, 0.75 * a);
  };
  q.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
  };
  q.prototype.onPropertyChanged = function(d, g) {
    d = (this.properties.step + "").split(".");
    this._precision = 1 < d.length ? d[1].length : 0;
  };
  q.prototype.onMouseDown = function(d, g) {
    if (!(0 > g[1])) {
      return this.old_y = d.canvasY, this.captureInput(!0), this.mouse_captured = !0;
    }
  };
  q.prototype.onMouseMove = function(d) {
    if (this.mouse_captured) {
      var g = this.old_y - d.canvasY;
      d.shiftKey && (g *= 10);
      if (d.metaKey || d.altKey) {
        g *= 0.1;
      }
      this.old_y = d.canvasY;
      d = this._remainder + g / q.pixels_threshold;
      this._remainder = d % 1;
      d = Math.clamp(this.properties.value + (d | 0) * this.properties.step, this.properties.min, this.properties.max);
      this.properties.value = d;
      this.graph._version++;
      this.setDirtyCanvas(!0);
    }
  };
  q.prototype.onMouseUp = function(d, g) {
    200 > d.click_time && (this.properties.value = Math.clamp(this.properties.value + (g[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));
  };
  z.registerNodeType("widget/number", q);
  h.title = "Knob";
  h.desc = "Circular controller";
  h.widgets = [{name:"increase", text:"+", type:"minibutton"}, {name:"decrease", text:"-", type:"minibutton"}];
  h.prototype.onAdded = function() {
    this.value = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min);
    this.imgbg = this.loadImage("imgs/knob_bg.png");
    this.imgfg = this.loadImage("imgs/knob_fg.png");
  };
  h.prototype.onDrawImageKnob = function(d) {
    if (this.imgfg && this.imgfg.width) {
      var g = 0.5 * this.imgbg.width, a = this.size[0] / this.imgfg.width;
      d.save();
      d.translate(0, 20);
      d.scale(a, a);
      d.drawImage(this.imgbg, 0, 0);
      d.translate(g, g);
      d.rotate(2 * this.value * Math.PI * 6 / 8 + 10 * Math.PI / 8);
      d.translate(-g, -g);
      d.drawImage(this.imgfg, 0, 0);
      d.restore();
      this.title && (d.font = "bold 16px Criticized,Tahoma", d.fillStyle = "rgba(100,100,100,0.8)", d.textAlign = "center", d.fillText(this.title.toUpperCase(), 0.5 * this.size[0], 18), d.textAlign = "left");
    }
  };
  h.prototype.onDrawVectorKnob = function(d) {
    if (this.imgfg && this.imgfg.width) {
      d.lineWidth = 1;
      d.strokeStyle = this.mouseOver ? "#FFF" : "#AAA";
      d.fillStyle = "#000";
      d.beginPath();
      d.arc(0.5 * this.size[0], 0.5 * this.size[1] + 10, 0.5 * this.properties.size, 0, 2 * Math.PI, !0);
      d.stroke();
      0 < this.value && (d.strokeStyle = this.properties.wcolor, d.lineWidth = 0.2 * this.properties.size, d.beginPath(), d.arc(0.5 * this.size[0], 0.5 * this.size[1] + 10, 0.35 * this.properties.size, -0.5 * Math.PI + 2 * Math.PI * this.value, -0.5 * Math.PI, !0), d.stroke(), d.lineWidth = 1);
      d.font = 0.2 * this.properties.size + "px Arial";
      d.fillStyle = "#AAA";
      d.textAlign = "center";
      var g = this.properties.value;
      "number" == typeof g && (g = g.toFixed(2));
      d.fillText(g, 0.5 * this.size[0], 0.65 * this.size[1]);
      d.textAlign = "left";
    }
  };
  h.prototype.onDrawForeground = function(d) {
    this.onDrawImageKnob(d);
  };
  h.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
    this.boxcolor = z.colorToString([this.value, this.value, this.value]);
  };
  h.prototype.onMouseDown = function(d) {
    if (this.imgfg && this.imgfg.width) {
      this.center = [0.5 * this.size[0], 0.5 * this.size[1] + 20];
      this.radius = 0.5 * this.size[0];
      if (20 > d.canvasY - this.pos[1] || z.distance([d.canvasX, d.canvasY], [this.pos[0] + this.center[0], this.pos[1] + this.center[1]]) > this.radius) {
        return !1;
      }
      this.oldmouse = [d.canvasX - this.pos[0], d.canvasY - this.pos[1]];
      this.captureInput(!0);
      return !0;
    }
  };
  h.prototype.onMouseMove = function(d) {
    if (this.oldmouse) {
      d = [d.canvasX - this.pos[0], d.canvasY - this.pos[1]];
      var g = this.value;
      g -= 0.01 * (d[1] - this.oldmouse[1]);
      1.0 < g ? g = 1.0 : 0.0 > g && (g = 0.0);
      this.value = g;
      this.properties.value = this.properties.min + (this.properties.max - this.properties.min) * this.value;
      this.oldmouse = d;
      this.setDirtyCanvas(!0);
    }
  };
  h.prototype.onMouseUp = function(d) {
    this.oldmouse && (this.oldmouse = null, this.captureInput(!1));
  };
  h.prototype.onMouseLeave = function(d) {
  };
  h.prototype.onPropertyChanged = function(d, g) {
    if ("wcolor" == d) {
      this.properties[d] = g;
    } else {
      if ("size" == d) {
        g = parseInt(g), this.properties[d] = g, this.size = [g + 4, g + 24], this.setDirtyCanvas(!0, !0);
      } else {
        if ("min" == d || "max" == d || "value" == d) {
          this.properties[d] = parseFloat(g);
        } else {
          return !1;
        }
      }
    }
    return !0;
  };
  z.registerNodeType("widget/knob", h);
  u.title = "Internal Slider";
  u.prototype.onPropertyChanged = function(d, g) {
    "value" == d && (this.slider.value = g);
  };
  u.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
  };
  z.registerNodeType("widget/internal_slider", u);
  t.title = "H.Slider";
  t.desc = "Linear slider controller";
  t.prototype.onAdded = function() {
    this.value = 0.5;
    this.imgfg = this.loadImage("imgs/slider_fg.png");
  };
  t.prototype.onDrawVectorial = function(d) {
    this.imgfg && this.imgfg.width && (d.lineWidth = 1, d.strokeStyle = this.mouseOver ? "#FFF" : "#AAA", d.fillStyle = "#000", d.beginPath(), d.rect(2, 0, this.size[0] - 4, 20), d.stroke(), d.fillStyle = this.properties.wcolor, d.beginPath(), d.rect(2 + (this.size[0] - 4 - 20) * this.value, 0, 20, 20), d.fill());
  };
  t.prototype.onDrawImage = function(d) {
    this.imgfg && this.imgfg.width && (d.lineWidth = 1, d.fillStyle = "#000", d.fillRect(2, 9, this.size[0] - 4, 2), d.strokeStyle = "#333", d.beginPath(), d.moveTo(2, 9), d.lineTo(this.size[0] - 4, 9), d.stroke(), d.strokeStyle = "#AAA", d.beginPath(), d.moveTo(2, 11), d.lineTo(this.size[0] - 4, 11), d.stroke(), d.drawImage(this.imgfg, 2 + (this.size[0] - 4) * this.value - 0.5 * this.imgfg.width, 0.5 * -this.imgfg.height + 10));
  };
  t.prototype.onDrawForeground = function(d) {
    this.onDrawImage(d);
  };
  t.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 = z.colorToString([this.value, this.value, this.value]);
  };
  t.prototype.onMouseDown = function(d) {
    if (0 > d.canvasY - this.pos[1]) {
      return !1;
    }
    this.oldmouse = [d.canvasX - this.pos[0], d.canvasY - this.pos[1]];
    this.captureInput(!0);
    return !0;
  };
  t.prototype.onMouseMove = function(d) {
    if (this.oldmouse) {
      d = [d.canvasX - this.pos[0], d.canvasY - this.pos[1]];
      var g = this.value;
      g += (d[0] - this.oldmouse[0]) / this.size[0];
      1.0 < g ? g = 1.0 : 0.0 > g && (g = 0.0);
      this.value = g;
      this.oldmouse = d;
      this.setDirtyCanvas(!0);
    }
  };
  t.prototype.onMouseUp = function(d) {
    this.oldmouse = null;
    this.captureInput(!1);
  };
  t.prototype.onMouseLeave = function(d) {
  };
  t.prototype.onPropertyChanged = function(d, g) {
    if ("wcolor" == d) {
      this.properties[d] = g;
    } else {
      return !1;
    }
    return !0;
  };
  z.registerNodeType("widget/hslider", t);
  w.title = "Progress";
  w.desc = "Shows data in linear progress";
  w.prototype.onExecute = function() {
    var d = this.getInputData(0);
    void 0 != d && (this.properties.value = d);
  };
  w.prototype.onDrawForeground = function(d) {
    d.lineWidth = 1;
    d.fillStyle = this.properties.wcolor;
    var g = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min);
    g = Math.min(1, g);
    g = Math.max(0, g);
    d.fillRect(2, 2, (this.size[0] - 4) * g, this.size[1] - 4);
  };
  z.registerNodeType("widget/progress", w);
  y.title = "Text";
  y.desc = "Shows the input value";
  y.widgets = [{name:"resize", text:"Resize box", type:"button"}, {name:"led_text", text:"LED", type:"minibutton"}, {name:"normal_text", text:"Normal", type:"minibutton"}];
  y.prototype.onDrawForeground = function(d) {
    d.fillStyle = this.properties.color;
    var g = this.properties.value;
    this.properties.glowSize ? (d.shadowColor = this.properties.color, d.shadowOffsetX = 0, d.shadowOffsetY = 0, d.shadowBlur = this.properties.glowSize) : d.shadowColor = "transparent";
    var a = this.properties.fontsize;
    d.textAlign = this.properties.align;
    d.font = a.toString() + "px " + this.properties.font;
    this.str = "number" == typeof g ? g.toFixed(this.properties.decimals) : g;
    if ("string" == typeof this.str) {
      g = this.str.split("\\n");
      for (var b in g) {
        d.fillText(g[b], "left" == this.properties.align ? 15 : this.size[0] - 15, -0.15 * a + a * (parseInt(b) + 1));
      }
    }
    d.shadowColor = "transparent";
    this.last_ctx = d;
    d.textAlign = "left";
  };
  y.prototype.onExecute = function() {
    var d = this.getInputData(0);
    null != d && (this.properties.value = d);
  };
  y.prototype.resize = function() {
    if (this.last_ctx) {
      var d = this.str.split("\\n");
      this.last_ctx.font = this.properties.fontsize + "px " + this.properties.font;
      var g = 0, a;
      for (a in d) {
        var b = this.last_ctx.measureText(d[a]).width;
        g < b && (g = b);
      }
      this.size[0] = g + 20;
      this.size[1] = 4 + d.length * this.properties.fontsize;
      this.setDirtyCanvas(!0);
    }
  };
  y.prototype.onPropertyChanged = function(d, g) {
    this.properties[d] = g;
    this.str = "number" == typeof g ? g.toFixed(3) : g;
    return !0;
  };
  z.registerNodeType("widget/text", y);
  l.title = "Panel";
  l.desc = "Non interactive panel";
  l.widgets = [{name:"update", text:"Update", type:"button"}];
  l.prototype.createGradient = function(d) {
    "" == this.properties.bgcolorTop || "" == this.properties.bgcolorBottom ? this.lineargradient = 0 : (this.lineargradient = d.createLinearGradient(0, 0, 0, this.size[1]), this.lineargradient.addColorStop(0, this.properties.bgcolorTop), this.lineargradient.addColorStop(1, this.properties.bgcolorBottom));
  };
  l.prototype.onDrawForeground = function(d) {
    null == this.lineargradient && this.createGradient(d);
    this.lineargradient && (d.lineWidth = 1, d.strokeStyle = this.properties.borderColor, d.fillStyle = this.lineargradient, this.properties.shadowSize ? (d.shadowColor = "#000", d.shadowOffsetX = 0, d.shadowOffsetY = 0, d.shadowBlur = this.properties.shadowSize) : d.shadowColor = "transparent", d.roundRect(0, 0, this.size[0] - 1, this.size[1] - 1, this.properties.shadowSize), d.fill(), d.shadowColor = "transparent", d.stroke());
  };
  z.registerNodeType("widget/panel", l);
})(this);
(function(v) {
  function d() {
    this.addOutput("left_x_axis", "number");
    this.addOutput("left_y_axis", "number");
    this.addOutput("button_pressed", m.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 m = v.LiteGraph;
  d.title = "Gamepad";
  d.desc = "gets the input of the gamepad";
  d.zero = new Float32Array(2);
  d.buttons = "a b x y lb rb lt rt back start ls rs home".split(" ");
  d.prototype.onExecute = function() {
    var m = this.getGamepad(), h = this.properties.threshold || 0.0;
    m && (this._left_axis[0] = Math.abs(m.xbox.axes.lx) > h ? m.xbox.axes.lx : 0, this._left_axis[1] = Math.abs(m.xbox.axes.ly) > h ? m.xbox.axes.ly : 0, this._right_axis[0] = Math.abs(m.xbox.axes.rx) > h ? m.xbox.axes.rx : 0, this._right_axis[1] = Math.abs(m.xbox.axes.ry) > h ? m.xbox.axes.ry : 0, this._triggers[0] = Math.abs(m.xbox.axes.ltrigger) > h ? m.xbox.axes.ltrigger : 0, this._triggers[1] = Math.abs(m.xbox.axes.rtrigger) > h ? m.xbox.axes.rtrigger : 0);
    if (this.outputs) {
      for (h = 0; h < this.outputs.length; h++) {
        var u = this.outputs[h];
        if (u.links && u.links.length) {
          var t = null;
          if (m) {
            switch(u.name) {
              case "left_axis":
                t = this._left_axis;
                break;
              case "right_axis":
                t = this._right_axis;
                break;
              case "left_x_axis":
                t = this._left_axis[0];
                break;
              case "left_y_axis":
                t = this._left_axis[1];
                break;
              case "right_x_axis":
                t = this._right_axis[0];
                break;
              case "right_y_axis":
                t = this._right_axis[1];
                break;
              case "trigger_left":
                t = this._triggers[0];
                break;
              case "trigger_right":
                t = this._triggers[1];
                break;
              case "a_button":
                t = m.xbox.buttons.a ? 1 : 0;
                break;
              case "b_button":
                t = m.xbox.buttons.b ? 1 : 0;
                break;
              case "x_button":
                t = m.xbox.buttons.x ? 1 : 0;
                break;
              case "y_button":
                t = m.xbox.buttons.y ? 1 : 0;
                break;
              case "lb_button":
                t = m.xbox.buttons.lb ? 1 : 0;
                break;
              case "rb_button":
                t = m.xbox.buttons.rb ? 1 : 0;
                break;
              case "ls_button":
                t = m.xbox.buttons.ls ? 1 : 0;
                break;
              case "rs_button":
                t = m.xbox.buttons.rs ? 1 : 0;
                break;
              case "start_button":
                t = m.xbox.buttons.start ? 1 : 0;
                break;
              case "back_button":
                t = m.xbox.buttons.back ? 1 : 0;
                break;
              case "button_pressed":
                for (u = 0; u < this._current_buttons.length; ++u) {
                  this._current_buttons[u] && !this._previous_buttons[u] && this.triggerSlot(h, d.buttons[u]);
                }
            }
          } else {
            switch(u.name) {
              case "button_pressed":
                break;
              case "left_axis":
              case "right_axis":
                t = d.zero;
                break;
              default:
                t = 0;
            }
          }
          this.setOutputData(h, t);
        }
      }
    }
  };
  d.prototype.getGamepad = function() {
    var d = navigator.getGamepads || navigator.webkitGetGamepads || navigator.mozGetGamepads;
    if (!d) {
      return null;
    }
    d = d.call(navigator);
    this._previous_buttons.set(this._current_buttons);
    for (var h = this.properties.gamepad_index; 4 > h; h++) {
      if (d[h]) {
        d = d[h];
        h = this.xbox_mapping;
        h || (h = this.xbox_mapping = {axes:[], buttons:{}, hat:""});
        h.axes.lx = d.axes[0];
        h.axes.ly = d.axes[1];
        h.axes.rx = d.axes[2];
        h.axes.ry = d.axes[3];
        h.axes.ltrigger = d.buttons[6].value;
        h.axes.rtrigger = d.buttons[7].value;
        for (var m = 0; m < d.buttons.length; m++) {
          switch(this._current_buttons[m] = d.buttons[m].pressed, m) {
            case 0:
              h.buttons.a = d.buttons[m].pressed;
              break;
            case 1:
              h.buttons.b = d.buttons[m].pressed;
              break;
            case 2:
              h.buttons.x = d.buttons[m].pressed;
              break;
            case 3:
              h.buttons.y = d.buttons[m].pressed;
              break;
            case 4:
              h.buttons.lb = d.buttons[m].pressed;
              break;
            case 5:
              h.buttons.rb = d.buttons[m].pressed;
              break;
            case 6:
              h.buttons.lt = d.buttons[m].pressed;
              break;
            case 7:
              h.buttons.rt = d.buttons[m].pressed;
              break;
            case 8:
              h.buttons.back = d.buttons[m].pressed;
              break;
            case 9:
              h.buttons.start = d.buttons[m].pressed;
              break;
            case 10:
              h.buttons.ls = d.buttons[m].pressed;
              break;
            case 11:
              h.buttons.rs = d.buttons[m].pressed;
              break;
            case 12:
              d.buttons[m].pressed && (h.hat += "up");
              break;
            case 13:
              d.buttons[m].pressed && (h.hat += "down");
              break;
            case 14:
              d.buttons[m].pressed && (h.hat += "left");
              break;
            case 15:
              d.buttons[m].pressed && (h.hat += "right");
              break;
            case 16:
              h.buttons.home = d.buttons[m].pressed;
          }
        }
        d.xbox = h;
        return d;
      }
    }
  };
  d.prototype.onDrawBackground = function(d) {
    if (!this.flags.collapsed) {
      var h = this._left_axis, m = this._right_axis;
      d.strokeStyle = "#88A";
      d.strokeRect(0.5 * (h[0] + 1) * this.size[0] - 4, 0.5 * (h[1] + 1) * this.size[1] - 4, 8, 8);
      d.strokeStyle = "#8A8";
      d.strokeRect(0.5 * (m[0] + 1) * this.size[0] - 4, 0.5 * (m[1] + 1) * this.size[1] - 4, 8, 8);
      h = this.size[1] / this._current_buttons.length;
      d.fillStyle = "#AEB";
      for (m = 0; m < this._current_buttons.length; ++m) {
        this._current_buttons[m] && d.fillRect(0, h * m, 6, h);
      }
    }
  };
  d.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", "number"], ["back", "number"], ["button_pressed", m.EVENT]];
  };
  m.registerNodeType("input/gamepad", d);
})(this);
(function(v) {
  function d() {
    this.addInput("in", "*");
    this.size = [60, 20];
  }
  function m() {
    this.addInput("in");
    this.addOutput("out");
    this.size = [60, 20];
  }
  function q() {
    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 u() {
    this.addOutput("value", "number");
    this.addProperty("min", 0);
    this.addProperty("max", 1);
    this.size = [60, 20];
  }
  function t() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.addProperty("min", 0);
    this.addProperty("max", 1);
  }
  function w() {
    this.properties = {f:0.5};
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("out", "number");
  }
  function y() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function l() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function z() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function p() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.properties = {A:0, B:1};
  }
  function g() {
    this.addInput("in", "number", {label:""});
    this.addOutput("out", "number", {label:""});
    this.size = [60, 20];
    this.addProperty("factor", 1);
  }
  function a() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.addProperty("samples", 10);
    this._values = new Float32Array(10);
    this._current = 0;
  }
  function b() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.addProperty("factor", 0.1);
    this.size = [60, 20];
    this._value = null;
  }
  function c() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("=", "number");
    this.addProperty("A", 1);
    this.addProperty("B", 1);
    this.addProperty("OP", "+", "enum", {values:c.values});
  }
  function e() {
    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 f() {
    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:f.values});
    this.size = [60, 40];
  }
  function k() {
    this.addInput("inc", "number");
    this.addOutput("total", "number");
    this.addProperty("increment", 1);
    this.addProperty("value", 0);
  }
  function n() {
    this.addInput("v", "number");
    this.addOutput("sin", "number");
    this.addProperty("amplitude", 1);
    this.addProperty("offset", 0);
    this.bgImageUrl = "nodes/imgs/icon-sin.png";
  }
  function B() {
    this.addInput("x", "number");
    this.addInput("y", "number");
    this.addOutput("", "number");
    this.properties = {x:1.0, y:1.0, formula:"x+y"};
    this.addWidget("toggle", "allow", A.allow_scripts, function(a) {
      A.allow_scripts = a;
    });
    this._func = null;
  }
  function G() {
    this.addInput("vec2", "vec2");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
  }
  function D() {
    this.addInputs([["x", "number"], ["y", "number"]]);
    this.addOutput("vec2", "vec2");
    this.properties = {x:0, y:0};
    this._data = new Float32Array(2);
  }
  function x() {
    this.addInput("vec3", "vec3");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
    this.addOutput("z", "number");
  }
  function J() {
    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 C() {
    this.addInput("vec4", "vec4");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
    this.addOutput("z", "number");
    this.addOutput("w", "number");
  }
  function H() {
    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 A = v.LiteGraph;
  d.title = "Converter";
  d.desc = "type A to type B";
  d.prototype.onExecute = function() {
    var a = this.getInputData(0);
    if (null != a && this.outputs) {
      for (var b = 0; b < this.outputs.length; b++) {
        var c = this.outputs[b];
        if (c.links && c.links.length) {
          var e = null;
          switch(c.name) {
            case "number":
              e = a.length ? a[0] : parseFloat(a);
              break;
            case "vec2":
            case "vec3":
            case "vec4":
              e = 1;
              switch(c.name) {
                case "vec2":
                  e = 2;
                  break;
                case "vec3":
                  e = 3;
                  break;
                case "vec4":
                  e = 4;
              }e = new Float32Array(e);
              if (a.length) {
                for (c = 0; c < a.length && c < e.length; c++) {
                  e[c] = a[c];
                }
              } else {
                e[0] = parseFloat(a);
              }
          }
          this.setOutputData(b, e);
        }
      }
    }
  };
  d.prototype.onGetOutputs = function() {
    return [["number", "number"], ["vec2", "vec2"], ["vec3", "vec3"], ["vec4", "vec4"]];
  };
  A.registerNodeType("math/converter", d);
  m.title = "Bypass";
  m.desc = "removes the type";
  m.prototype.onExecute = function() {
    var a = this.getInputData(0);
    this.setOutputData(0, a);
  };
  A.registerNodeType("math/bypass", m);
  q.title = "to Number";
  q.desc = "Cast to number";
  q.prototype.onExecute = function() {
    var a = this.getInputData(0);
    this.setOutputData(0, Number(a));
  };
  A.registerNodeType("math/to_number", q);
  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], c = this.getInputData(a);
        void 0 !== c && (this.properties[b.name] = c);
      }
    }
    c = this.properties["in"];
    if (void 0 === c || null === c || c.constructor !== Number) {
      c = 0;
    }
    a = this.properties.in_min;
    b = this.properties.out_min;
    this._last_v = (c - 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"]];
  };
  A.registerNodeType("math/range", h);
  u.title = "Rand";
  u.desc = "Random number";
  u.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; a++) {
        var b = this.inputs[a], c = this.getInputData(a);
        void 0 !== c && (this.properties[b.name] = c);
      }
    }
    a = this.properties.min;
    this._last_v = Math.random() * (this.properties.max - a) + a;
    this.setOutputData(0, this._last_v);
  };
  u.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = this._last_v ? this._last_v.toFixed(3) : "?";
  };
  u.prototype.onGetInputs = function() {
    return [["min", "number"], ["max", "number"]];
  };
  A.registerNodeType("math/rand", u);
  t.title = "Clamp";
  t.desc = "Clamp number between min and max";
  t.filter = "shader";
  t.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));
  };
  t.prototype.getCode = function(a) {
    a = "";
    this.isInputConnected(0) && (a += "clamp({{0}}," + this.properties.min + "," + this.properties.max + ")");
    return a;
  };
  A.registerNodeType("math/clamp", t);
  w.title = "Lerp";
  w.desc = "Linear Interpolation";
  w.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.getInputData(1);
    null == b && (b = 0);
    var c = this.properties.f, e = this.getInputData(2);
    void 0 !== e && (c = e);
    this.setOutputData(0, a * (1 - c) + b * c);
  };
  w.prototype.onGetInputs = function() {
    return [["f", "number"]];
  };
  A.registerNodeType("math/lerp", w);
  y.title = "Abs";
  y.desc = "Absolute";
  y.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, Math.abs(a));
  };
  A.registerNodeType("math/abs", y);
  l.title = "Floor";
  l.desc = "Floor number to remove fractional part";
  l.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, Math.floor(a));
  };
  A.registerNodeType("math/floor", l);
  z.title = "Frac";
  z.desc = "Returns fractional part";
  z.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, a % 1);
  };
  A.registerNodeType("math/frac", z);
  p.title = "Smoothstep";
  p.desc = "Smoothstep";
  p.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));
    }
  };
  A.registerNodeType("math/smoothstep", p);
  g.title = "Scale";
  g.desc = "v * factor";
  g.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, a * this.properties.factor);
  };
  A.registerNodeType("math/scale", g);
  a.title = "Average";
  a.desc = "Average Filter";
  a.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 c = a = 0; c < b; ++c) {
      a += this._values[c];
    }
    this.setOutputData(0, a / b);
  };
  a.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));
  };
  A.registerNodeType("math/average", a);
  b.title = "TendTo";
  b.desc = "moves the output value always closer to the input";
  b.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);
  };
  A.registerNodeType("math/tendTo", b);
  c.values = "+-*/%^".split("");
  c.title = "Operation";
  c.desc = "Easy math operators";
  c["@OP"] = {type:"enum", title:"operation", values:c.values};
  c.prototype.getTitle = function() {
    return "A " + this.properties.OP + " B";
  };
  c.prototype.setValue = function(a) {
    "string" == typeof a && (a = parseFloat(a));
    this.properties.value = a;
  };
  c.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 c = 0;
    switch(this.properties.OP) {
      case "+":
        c = a + b;
        break;
      case "-":
        c = a - b;
        break;
      case "x":
      case "X":
      case "*":
        c = a * b;
        break;
      case "/":
        c = a / b;
        break;
      case "%":
        c = a % b;
        break;
      case "^":
        c = Math.pow(a, b);
        break;
      default:
        console.warn("Unknown operation: " + this.properties.OP);
    }
    this.setOutputData(0, c);
  };
  c.prototype.onDrawBackground = function(a) {
    this.flags.collapsed || (a.font = "40px Arial", a.fillStyle = "#CCC", a.textAlign = "center", a.fillText(this.properties.OP, 0.5 * this.size[0], 0.35 * this.size[1] + A.NODE_TITLE_HEIGHT), a.textAlign = "left");
  };
  A.registerNodeType("math/operation", c);
  e.title = "Compare";
  e.desc = "compares between two values";
  e.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 c = 0, e = this.outputs.length; c < e; ++c) {
      var d = this.outputs[c];
      if (d.links && d.links.length) {
        switch(d.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(c, value);
      }
    }
  };
  e.prototype.onGetOutputs = function() {
    return [["A==B", "boolean"], ["A!=B", "boolean"], ["A>B", "boolean"], ["A<B", "boolean"], ["A>=B", "boolean"], ["A<=B", "boolean"]];
  };
  A.registerNodeType("math/compare", e);
  A.registerSearchboxExtra("math/compare", "==", {outputs:[["A==B", "boolean"]], title:"A==B"});
  A.registerSearchboxExtra("math/compare", "!=", {outputs:[["A!=B", "boolean"]], title:"A!=B"});
  A.registerSearchboxExtra("math/compare", ">", {outputs:[["A>B", "boolean"]], title:"A>B"});
  A.registerSearchboxExtra("math/compare", "<", {outputs:[["A<B", "boolean"]], title:"A<B"});
  A.registerSearchboxExtra("math/compare", ">=", {outputs:[["A>=B", "boolean"]], title:"A>=B"});
  A.registerSearchboxExtra("math/compare", "<=", {outputs:[["A<=B", "boolean"]], title:"A<=B"});
  f.values = "> < == != <= >=".split(" ");
  f["@OP"] = {type:"enum", title:"operation", values:f.values};
  f.title = "Condition";
  f.desc = "evaluates condition between A and B";
  f.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 c = !0;
    switch(this.properties.OP) {
      case ">":
        c = a > b;
        break;
      case "<":
        c = a < b;
        break;
      case "==":
        c = a == b;
        break;
      case "!=":
        c = a != b;
        break;
      case "<=":
        c = a <= b;
        break;
      case ">=":
        c = a >= b;
    }
    this.setOutputData(0, c);
  };
  A.registerNodeType("math/condition", f);
  k.title = "Accumulate";
  k.desc = "Increments a value every time";
  k.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);
  };
  A.registerNodeType("math/accumulate", k);
  n.title = "Trigonometry";
  n.desc = "Sin Cos Tan";
  n.filter = "shader";
  n.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.properties.amplitude, c = this.findInputSlot("amplitude");
    -1 != c && (b = this.getInputData(c));
    var e = this.properties.offset;
    c = this.findInputSlot("offset");
    -1 != c && (e = this.getInputData(c));
    c = 0;
    for (var d = this.outputs.length; c < d; ++c) {
      switch(this.outputs[c].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(c, b * value + e);
    }
  };
  n.prototype.onGetInputs = function() {
    return [["v", "number"], ["amplitude", "number"], ["offset", "number"]];
  };
  n.prototype.onGetOutputs = function() {
    return [["sin", "number"], ["cos", "number"], ["tan", "number"], ["asin", "number"], ["acos", "number"], ["atan", "number"]];
  };
  A.registerNodeType("math/trigonometry", n);
  A.registerSearchboxExtra("math/trigonometry", "SIN()", {outputs:[["sin", "number"]], title:"SIN()"});
  A.registerSearchboxExtra("math/trigonometry", "COS()", {outputs:[["cos", "number"]], title:"COS()"});
  A.registerSearchboxExtra("math/trigonometry", "TAN()", {outputs:[["tan", "number"]], title:"TAN()"});
  B.title = "Formula";
  B.desc = "Compute formula";
  B.prototype.onExecute = function() {
    if (A.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;
      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);
      a = this._func(a, b, this.graph.globaltime);
      this.setOutputData(0, a);
    }
  };
  B.prototype.getTitle = function() {
    return this._func_code || "";
  };
  B.prototype.onDrawBackground = function() {
    var a = this.properties.formula;
    this.outputs && this.outputs.length && (this.outputs[0].label = a);
  };
  A.registerNodeType("math/formula", B);
  G.title = "Vec2->XY";
  G.desc = "vector 2 to components";
  G.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]));
  };
  A.registerNodeType("math3d/vec2-to-xyz", G);
  D.title = "XY->Vec2";
  D.desc = "components to vector2";
  D.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 c = this._data;
    c[0] = a;
    c[1] = b;
    this.setOutputData(0, c);
  };
  A.registerNodeType("math3d/xy-to-vec2", D);
  x.title = "Vec3->XYZ";
  x.desc = "vector 3 to components";
  x.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]));
  };
  A.registerNodeType("math3d/vec3-to-xyz", x);
  J.title = "XYZ->Vec3";
  J.desc = "components to vector3";
  J.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 c = this.getInputData(2);
    null == c && (c = this.properties.z);
    var e = this._data;
    e[0] = a;
    e[1] = b;
    e[2] = c;
    this.setOutputData(0, e);
  };
  A.registerNodeType("math3d/xyz-to-vec3", J);
  C.title = "Vec4->XYZW";
  C.desc = "vector 4 to components";
  C.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]));
  };
  A.registerNodeType("math3d/vec4-to-xyzw", C);
  H.title = "XYZW->Vec4";
  H.desc = "components to vector4";
  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 c = this.getInputData(2);
    null == c && (c = this.properties.z);
    var e = this.getInputData(3);
    null == e && (e = this.properties.w);
    var d = this._data;
    d[0] = a;
    d[1] = b;
    d[2] = c;
    d[3] = e;
    this.setOutputData(0, d);
  };
  A.registerNodeType("math3d/xyzw-to-vec4", H);
  if (v.glMatrix) {
    v = function() {
      this.addInputs([["A", "quat"], ["B", "quat"], ["factor", "number"]]);
      this.addOutput("slerp", "quat");
      this.addProperty("factor", 0.5);
      this._value = quat.create();
    };
    var E = function() {
      this.addInputs([["A", "quat"], ["B", "quat"]]);
      this.addOutput("A*B", "quat");
      this._value = quat.create();
    }, F = function() {
      this.addInputs([["vec3", "vec3"], ["quat", "quat"]]);
      this.addOutput("result", "vec3");
      this.properties = {vec:[0, 0, 1]};
    }, K = 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();
    }, I = function() {
      this.addOutput("quat", "quat");
      this.properties = {x:0, y:0, z:0, w:1};
      this._value = quat.create();
    };
    I.title = "Quaternion";
    I.desc = "quaternion";
    I.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);
    };
    A.registerNodeType("math3d/quaternion", I);
    K.title = "Rotation";
    K.desc = "quaternion rotation";
    K.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);
    };
    A.registerNodeType("math3d/rotation", K);
    F.title = "Rot. Vec3";
    F.desc = "rotate a point";
    F.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));
    };
    A.registerNodeType("math3d/rotate_vec3", F);
    E.title = "Mult. Quat";
    E.desc = "rotate quaternion";
    E.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));
      }
    };
    A.registerNodeType("math3d/mult-quat", E);
    v.title = "Quat Slerp";
    v.desc = "quaternion spherical interpolation";
    v.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (null != a) {
        var b = this.getInputData(1);
        if (null != b) {
          var c = this.properties.factor;
          null != this.getInputData(2) && (c = this.getInputData(2));
          a = quat.slerp(this._value, a, b, c);
          this.setOutputData(0, a);
        }
      }
    };
    A.registerNodeType("math3d/quat-slerp", v);
  }
})(this);
(function(v) {
  function d() {
    this.addInput("sel", "number");
    this.addInput("A");
    this.addInput("B");
    this.addInput("C");
    this.addInput("D");
    this.addOutput("out");
    this.selected = 0;
  }
  function m() {
    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 q = v.LiteGraph;
  d.title = "Selector";
  d.desc = "selects an output";
  d.prototype.onDrawBackground = function(d) {
    if (!this.flags.collapsed) {
      d.fillStyle = "#AFB";
      var h = (this.selected + 1) * q.NODE_SLOT_HEIGHT + 2;
      d.beginPath();
      d.moveTo(30, h);
      d.lineTo(30, h + q.NODE_SLOT_HEIGHT);
      d.lineTo(24, h + 0.5 * q.NODE_SLOT_HEIGHT);
      d.fill();
    }
  };
  d.prototype.onExecute = function() {
    var d = this.getInputData(0);
    null == d && (d = 0);
    this.selected = d = Math.round(d) % (this.inputs.length - 1);
    d = this.getInputData(d + 1);
    void 0 !== d && this.setOutputData(0, d);
  };
  d.prototype.onGetInputs = function() {
    return [["E", 0], ["F", 0], ["G", 0], ["H", 0]];
  };
  q.registerNodeType("logic/selector", d);
  m.title = "Sequence";
  m.desc = "select one element from a sequence from a string";
  m.prototype.onPropertyChanged = function(d, m) {
    "sequence" == d && (this.values = m.split(","));
  };
  m.prototype.onExecute = function() {
    var d = this.getInputData(1);
    d && d != this.current_sequence && (this.values = d.split(","), this.current_sequence = d);
    d = this.getInputData(0);
    null == d && (d = 0);
    this.index = d = Math.round(d) % this.values.length;
    this.setOutputData(0, this.values[d]);
  };
  q.registerNodeType("logic/sequence", m);
})(this);
(function(v) {
  var d = v.LiteGraph;
  v.LGraphTexture = null;
  if ("undefined" != typeof GL) {
    var m = function() {
      this.addOutput("Cubemap", "Cubemap");
      this.properties = {name:""};
      this.size = [r.image_preview_size, r.image_preview_size];
    }, q = 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:r.DEFAULT};
    }, h = function() {
      this.addOutput("out", "Texture");
      this.properties = {code:"", width:512, height:512, precision:r.DEFAULT};
      this._temp_texture = this._func = null;
    }, u = 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:r.DEFAULT};
      this._key = 0;
      this._uniforms = {u_persistence:0.1, u_seed:0, u_offset:vec2.create(), u_scale:1, u_viewport:vec2.create()};
    }, t = function() {
      this.addInput("in", "Texture");
      this.addInput("avg", "number");
      this.addOutput("out", "Texture");
      this.properties = {enabled:!0, scale:1, gamma:1, average_lum:1, lum_white:1, precision:r.LOW};
      this._uniforms = {u_texture:0, u_lumwhite2:1, u_igamma:1, u_scale:1, u_average_lum:1};
    }, w = function() {
      this.addInput("in", "Texture");
      this.addInput("exp", "number");
      this.addOutput("out", "Texture");
      this.properties = {exposition:1, precision:r.LOW};
      this._uniforms = {u_texture:0, u_exposition:1};
    }, y = function() {
      this.addInput("in", "Texture");
      this.addInput("f", "number");
      this.addOutput("out", "Texture");
      this.properties = {enabled:!0, factor:1, precision:r.LOW};
      this._uniforms = {u_texture:0, u_factor:1};
    }, l = function() {
      this.addOutput("Webcam", "Texture");
      this.properties = {texture_name:"", facingMode:"user"};
      this.boxcolor = "black";
      this.version = 0;
    }, z = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("Filtered", "Texture");
      this.properties = {intensity:1, radius:5};
    }, p = 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:r.DEFAULT};
      this._textures = [];
      this._uniforms = {u_intensity:1, u_texture:0, u_glow_texture:1, u_threshold:0, u_texel_size:vec2.create()};
    }, g = 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:r.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};
    }, b = function() {
      this.addInput("Tex.", "Texture");
      this.addOutput("Edges", "Texture");
      this.properties = {invert:!0, threshold:!1, factor:1, precision:r.DEFAULT};
      b._shader || (b._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, b.pixel_shader));
    }, c = function() {
      this.addInput("A", "Texture");
      this.addInput("B", "Texture");
      this.addInput("Mixer", "Texture");
      this.addOutput("Texture", "Texture");
      this.properties = {factor:0.5, precision:r.DEFAULT};
      this._uniforms = {u_textureA:0, u_textureB:1, u_textureMix:2, u_mix:vec4.create()};
    }, e = 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};
      e._shader || (e._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, e.pixel_shader));
      this._uniforms = {u_angle:0, u_colorA:vec3.create(), u_colorB:vec3.create()};
    }, f = function() {
      this.addOutput("Texture", "Texture");
      this._tex_color = vec4.create();
      this.properties = {color:vec4.create(), precision:r.DEFAULT};
    }, k = function() {
      this.addInput("R", "Texture");
      this.addInput("G", "Texture");
      this.addInput("B", "Texture");
      this.addInput("A", "Texture");
      this.addOutput("Texture", "Texture");
      this.properties = {};
      k._shader || (k._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, k.pixel_shader));
    }, n = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("R", "Texture");
      this.addOutput("G", "Texture");
      this.addOutput("B", "Texture");
      this.addOutput("A", "Texture");
      this.properties = {};
      n._shader || (n._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, n.pixel_shader));
    }, B = function() {
      this.addInput("Texture", "Texture");
      this.addInput("LUT", "Texture");
      this.addInput("Intensity", "number");
      this.addOutput("", "Texture");
      this.properties = {intensity:1, precision:r.DEFAULT, texture:null};
      B._shader || (B._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, B.pixel_shader));
    }, G = function() {
      this.addInput("Image", "image");
      this.addOutput("", "Texture");
      this.properties = {};
    }, D = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("tex", "Texture");
      this.addOutput("avg", "vec4");
      this.addOutput("lum", "number");
      this.properties = {mipmap_offset:0, low_precision:!1};
      this._uniforms = {u_texture:0, u_mipmap_offset:this.properties.mipmap_offset};
      this._luminance = new Float32Array(4);
    }, x = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {iterations:1, generate_mipmaps:!1, precision:r.DEFAULT};
    }, J = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {size:0, generate_mipmaps:!1, precision:r.DEFAULT};
    }, C = function() {
      this.addInput("Texture", "Texture");
      this.properties = {additive:!1, antialiasing:!1, filter:!0, disable_alpha:!1, gamma:1.0};
      this.size[0] = 130;
    }, H = function() {
      this.addInput("in", "Texture");
      this.addInput("warp", "Texture");
      this.addInput("factor", "number");
      this.addOutput("out", "Texture");
      this.properties = {factor:0.01, precision:r.DEFAULT};
    }, A = 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:r.DEFAULT};
    }, E = function() {
      this.addOutput("out", "Texture");
      this.properties = {code:"", width:512, height:512, precision:r.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};
    }, F = 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:r.DEFAULT};
    }, K = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {name:""};
    }, I = function() {
      this.addInput("Texture", "Texture");
      this.properties = {flipY:!1};
      this.size = [r.image_preview_size, r.image_preview_size];
    }, r = function() {
      this.addOutput("Texture", "Texture");
      this.properties = {name:"", filter:!0};
      this.size = [r.image_preview_size, r.image_preview_size];
    };
    LGraphCanvas.link_type_colors.Texture = "#AEF";
    v.LGraphTexture = r;
    r.title = "Texture";
    r.desc = "Texture";
    r.widgets_info = {name:{widget:"texture"}, filter:{widget:"checkbox"}};
    r.loadTextureCallback = null;
    r.image_preview_size = 256;
    r.PASS_THROUGH = 1;
    r.COPY = 2;
    r.LOW = 3;
    r.HIGH = 4;
    r.REUSE = 5;
    r.DEFAULT = 2;
    r.MODE_VALUES = {"pass through":r.PASS_THROUGH, copy:r.COPY, low:r.LOW, high:r.HIGH, reuse:r.REUSE, "default":r.DEFAULT};
    r.getTexturesContainer = function() {
      return gl.textures;
    };
    r.loadTexture = function(a, b) {
      b = b || {};
      var c = a;
      "http://" == c.substr(0, 7) && d.proxy && (c = d.proxy + c.substr(7));
      return r.getTexturesContainer()[a] = GL.Texture.fromURL(c, b);
    };
    r.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;
    };
    r.getTargetTexture = function(a, b, c) {
      if (!a) {
        throw "LGraphTexture.getTargetTexture expects a reference texture";
      }
      switch(c) {
        case r.LOW:
          c = gl.UNSIGNED_BYTE;
          break;
        case r.HIGH:
          c = gl.HIGH_PRECISION_FORMAT;
          break;
        case r.REUSE:
          return a;
        default:
          c = a ? a.type : gl.UNSIGNED_BYTE;
      }
      b && b.width == a.width && b.height == a.height && b.type == c || (b = new GL.Texture(a.width, a.height, {type:c, format:gl.RGBA, filter:gl.LINEAR}));
      return b;
    };
    r.getTextureType = function(a, b) {
      b = b ? b.type : gl.UNSIGNED_BYTE;
      switch(a) {
        case r.HIGH:
          b = gl.HIGH_PRECISION_FORMAT;
          break;
        case r.LOW:
          b = gl.UNSIGNED_BYTE;
      }
      return b;
    };
    r.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});
    };
    r.prototype.onDropFile = function(a, b, c) {
      a ? ("string" == typeof a ? a = GL.Texture.fromURL(a) : -1 != b.toLowerCase().indexOf(".dds") ? a = GL.Texture.fromDDSInMemory(a) : (a = new Blob([c]), a = URL.createObjectURL(a), a = GL.Texture.fromURL(a)), this._drop_texture = a, this.properties.name = b) : (this._drop_texture = null, this.properties.name = "");
    };
    r.prototype.getExtraMenuOptions = function(a) {
      var b = this;
      if (this._drop_texture) {
        return [{content:"Clear", callback:function() {
          b._drop_texture = null;
          b.properties.name = "";
        }}];
      }
    };
    r.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 = r.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 c = this.outputs[b];
          if (c) {
            var e = null;
            "width" == c.name ? e = a.width : "height" == c.name ? e = a.height : "aspect" == c.name && (e = a.width / a.height);
            this.setOutputData(b, e);
          }
        }
      }
    };
    r.prototype.onResourceRenamed = function(a, b) {
      this.properties.name == a && (this.properties.name = b);
    };
    r.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 = r.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());
        }
      }
    };
    r.generateLowResTexturePreview = function(a) {
      if (!a) {
        return null;
      }
      var b = r.image_preview_size, c = a;
      if (a.format == gl.DEPTH_COMPONENT) {
        return null;
      }
      if (a.width > b || a.height > b) {
        c = this._preview_temp_tex, this._preview_temp_tex || (this._preview_temp_tex = c = new GL.Texture(b, b, {minFilter:gl.NEAREST})), a.copyTo(c);
      }
      a = this._preview_canvas;
      a || (this._preview_canvas = a = createCanvas(b, b));
      c && c.toCanvas(a);
      return a;
    };
    r.prototype.getResources = function(a) {
      a[this.properties.name] = GL.Texture;
      return a;
    };
    r.prototype.onGetInputs = function() {
      return [["in", "Texture"]];
    };
    r.prototype.onGetOutputs = function() {
      return [["width", "number"], ["height", "number"], ["aspect", "number"]];
    };
    d.registerNodeType("texture/texture", r);
    I.title = "Preview";
    I.desc = "Show a texture in the graph canvas";
    I.allow_preview = !1;
    I.prototype.onDrawBackground = function(a) {
      if (!this.flags.collapsed && (a.webgl || I.allow_preview)) {
        var b = this.getInputData(0);
        b && (b = !b.handle && a.webgl ? b : r.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());
      }
    };
    d.registerNodeType("texture/preview", I);
    K.title = "Save";
    K.desc = "Save a texture in the repository";
    K.prototype.onExecute = function() {
      var a = this.getInputData(0);
      a && (this.properties.name && (r.storeTexture ? r.storeTexture(this.properties.name, a) : r.getTexturesContainer()[this.properties.name] = a), this.setOutputData(0, a));
    };
    d.registerNodeType("texture/save", K);
    F.widgets_info = {uvcode:{widget:"textarea", height:100}, pixelcode:{widget:"textarea", height:100}, precision:{widget:"combo", values:r.MODE_VALUES}};
    F.title = "Operation";
    F.desc = "Texture shader operation";
    F.prototype.getExtraMenuOptions = function(a) {
      var b = this;
      return [{content:b.properties.show ? "Hide Texture" : "Show Texture", callback:function() {
        b.properties.show = !b.properties.show;
      }}];
    };
    F.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());
    };
    F.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1);
          if (this.properties.uvcode || this.properties.pixelcode) {
            var c = 512, e = 512;
            a ? (c = a.width, e = a.height) : b && (c = b.width, e = b.height);
            var d = r.getTextureType(this.properties.precision, a);
            this._tex = a || this._tex ? r.getTargetTexture(a || this._tex, this._tex, this.properties.precision) : new GL.Texture(c, e, {type:d, format:gl.RGBA, filter:gl.LINEAR});
            d = "";
            this.properties.uvcode && (d = "uv = " + this.properties.uvcode, -1 != this.properties.uvcode.indexOf(";") && (d = this.properties.uvcode));
            var f = "";
            this.properties.pixelcode && (f = "result = " + this.properties.pixelcode, -1 != this.properties.pixelcode.indexOf(";") && (f = this.properties.pixelcode));
            var k = this._shader;
            if (!k || this._shader_code != d + "|" + f) {
              try {
                this._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, F.pixel_shader, {UV_CODE:d, PIXEL_CODE:f}), this.boxcolor = "#00FF00";
              } catch (P) {
                console.log("Error compiling shader: ", P);
                this.boxcolor = "#FF0000";
                return;
              }
              this.boxcolor = "#FF0000";
              this._shader_code = d + "|" + f;
              k = this._shader;
            }
            if (k) {
              this.boxcolor = "green";
              var g = this.getInputData(2);
              null != g ? this.properties.value = g : g = 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 d = Mesh.getScreenQuad();
                k.uniforms({u_texture:0, u_textureB:1, value:g, texSize:[c, e], time:h}).draw(d);
              });
              this.setOutputData(0, this._tex);
            } else {
              this.boxcolor = "red";
            }
          }
        }
      }
    };
    F.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";
    d.registerNodeType("texture/operation", F);
    E.title = "Shader";
    E.desc = "Texture shader";
    E.widgets_info = {code:{type:"code"}, precision:{widget:"combo", values:r.MODE_VALUES}};
    E.prototype.onPropertyChanged = function(a, b) {
      if ("code" == a && (a = this.getShader())) {
        b = a.uniformInfo;
        if (this.inputs) {
          for (var c = {}, e = 0; e < this.inputs.length; ++e) {
            var d = this.getInputInfo(e);
            d && (b[d.name] && !c[d.name] ? c[d.name] = !0 : (this.removeInput(e), e--));
          }
        }
        for (e in b) {
          if (d = a.uniformInfo[e], null !== d.loc && "time" != e) {
            if (this._shader.samplers[e]) {
              b = "texture";
            } else {
              switch(d.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;
              }
            }
            c = this.findInputSlot(e);
            if (-1 != c && (d = this.getInputInfo(c))) {
              if (d.type == b) {
                continue;
              }
              this.removeInput(c, b);
            }
            this.addInput(e, b);
          }
        }
      }
    };
    E.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, E.pixel_shader + this.properties.code), this.boxcolor = "green";
      return this._shader;
    };
    E.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getShader();
        if (a) {
          for (var b = 0, c = null, e = 0; e < this.inputs.length; ++e) {
            var d = this.getInputInfo(e), f = this.getInputData(e);
            null != f && (f.constructor === GL.Texture && (f.bind(b), c || (c = f), f = b, b++), a.setUniform(d.name, f));
          }
          var k = this._uniforms;
          b = r.getTextureType(this.properties.precision, c);
          e = this.properties.width | 0;
          d = this.properties.height | 0;
          0 == e && (e = c ? c.width : gl.canvas.width);
          0 == d && (d = c ? c.height : gl.canvas.height);
          k.texSize[0] = e;
          k.texSize[1] = d;
          k.time = this.graph.getTime();
          this._tex && this._tex.type == b && this._tex.width == e && this._tex.height == d || (this._tex = new GL.Texture(e, d, {type:b, format:gl.RGBA, filter:gl.LINEAR}));
          this._tex.drawTo(function() {
            a.uniforms(k).draw(GL.Mesh.getScreenQuad());
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    E.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";
    d.registerNodeType("texture/shader", E);
    A.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    A.title = "Scale/Offset";
    A.desc = "Applies an scaling and offseting";
    A.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0) && a) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = a.width, c = a.height, e = this.precision === r.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT;
          this.precision === r.DEFAULT && (e = a.type);
          this._tex && this._tex.width == b && this._tex.height == c && this._tex.type == e || (this._tex = new GL.Texture(b, c, {type:e, format:gl.RGBA, filter:gl.LINEAR}));
          var d = this._shader;
          d || (d = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, A.pixel_shader));
          var f = this.getInputData(1);
          f ? (this.properties.scale[0] = f[0], this.properties.scale[1] = f[1]) : f = this.properties.scale;
          var k = this.getInputData(2);
          k ? (this.properties.offset[0] = k[0], this.properties.offset[1] = k[1]) : k = 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();
            d.uniforms({u_texture:0, u_scale:f, u_offset:k}).draw(b);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    A.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";
    d.registerNodeType("texture/scaleOffset", A);
    H.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    H.title = "Warp";
    H.desc = "Texture warp operation";
    H.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1), c = 512, e = 512;
          a ? (c = a.width, e = a.height) : b && (c = b.width, e = b.height);
          this._tex = a || this._tex ? r.getTargetTexture(a || this._tex, this._tex, this.properties.precision) : new GL.Texture(c, e, {type:this.precision === r.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT, format:gl.RGBA, filter:gl.LINEAR});
          var d = this._shader;
          d || (d = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, H.pixel_shader));
          var f = this.getInputData(2);
          null != f ? this.properties.factor = f : f = 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 c = Mesh.getScreenQuad();
            d.uniforms({u_texture:0, u_textureB:1, u_factor:f}).draw(c);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    H.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";
    d.registerNodeType("texture/warp", H);
    C.title = "to Viewport";
    C.desc = "Texture to viewport";
    C.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) {
          C._shader || (C._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, C.aa_pixel_shader));
          gl.getViewport();
          var c = Mesh.getScreenQuad();
          a.bind(0);
          C._shader.uniforms({u_texture:0, uViewportSize:[a.width, a.height], u_igamma:1 / b, inverseVP:[1 / a.width, 1 / a.height]}).draw(c);
        } else {
          1.0 != b ? (C._gamma_shader || (C._gamma_shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, C.gamma_pixel_shader)), a.toViewport(C._gamma_shader, {u_texture:0, u_igamma:1 / b})) : a.toViewport();
        }
      }
    };
    C.prototype.onGetInputs = function() {
      return [["gamma", "number"]];
    };
    C.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";
    C.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";
    d.registerNodeType("texture/toviewport", C);
    J.title = "Copy";
    J.desc = "Copy Texture";
    J.widgets_info = {size:{widget:"combo", values:[0, 32, 64, 128, 256, 512, 1024, 2048]}, precision:{widget:"combo", values:r.MODE_VALUES}};
    J.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if ((a || this._temp_texture) && this.isOutputConnected(0)) {
        if (a) {
          var b = a.width, c = a.height;
          0 != this.properties.size && (c = b = this.properties.size);
          var e = this._temp_texture, d = a.type;
          this.properties.precision === r.LOW ? d = gl.UNSIGNED_BYTE : this.properties.precision === r.HIGH && (d = gl.HIGH_PRECISION_FORMAT);
          e && e.width == b && e.height == c && e.type == d || (e = gl.LINEAR, this.properties.generate_mipmaps && isPowerOfTwo(b) && isPowerOfTwo(c) && (e = gl.LINEAR_MIPMAP_LINEAR), this._temp_texture = new GL.Texture(b, c, {type:d, format:gl.RGBA, minFilter:e, 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);
      }
    };
    d.registerNodeType("texture/copy", J);
    x.title = "Downsample";
    x.desc = "Downsample Texture";
    x.widgets_info = {iterations:{type:"number", step:1, precision:0, min:1}, precision:{widget:"combo", values:r.MODE_VALUES}};
    x.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if ((a || this._temp_texture) && this.isOutputConnected(0) && a && a.texture_type === GL.TEXTURE_2D) {
        var b = x._shader;
        b || (x._shader = b = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, x.pixel_shader));
        var c = a.width | 0, e = a.height | 0, d = a.type;
        this.properties.precision === r.LOW ? d = gl.UNSIGNED_BYTE : this.properties.precision === r.HIGH && (d = gl.HIGH_PRECISION_FORMAT);
        var f = this.properties.iterations || 1, k = a, g = [];
        d = {type:d, format:a.format};
        var h = vec2.create(), l = {u_offset:h};
        this._texture && GL.Texture.releaseTemporary(this._texture);
        for (var n = 0; n < f; ++n) {
          h[0] = 1 / c;
          h[1] = 1 / e;
          c = c >> 1 || 0;
          e = e >> 1 || 0;
          a = GL.Texture.getTemporary(c, e, d);
          g.push(a);
          k.setParameter(GL.TEXTURE_MAG_FILTER, GL.NEAREST);
          k.copyTo(a, b, l);
          if (1 == c && 1 == e) {
            break;
          }
          k = a;
        }
        this._texture = g.pop();
        for (n = 0; n < g.length; ++n) {
          GL.Texture.releaseTemporary(g[n]);
        }
        this.properties.generate_mipmaps && (this._texture.bind(0), gl.generateMipmap(this._texture.texture_type), this._texture.unbind(0));
        this.setOutputData(0, this._texture);
      }
    };
    x.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";
    d.registerNodeType("texture/downsample", x);
    D.title = "Average";
    D.desc = "Compute a partial average (32 random samples) of a texture and stores it as a 1x1 pixel texture";
    D.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && (this.isOutputConnected(0) || this.isOutputConnected(1) || this.isOutputConnected(2))) {
        if (!D._shader) {
          D._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, D.pixel_shader);
          for (var b = new Float32Array(32), c = 0; 32 > c; ++c) {
            b[c] = Math.random();
          }
          D._shader.uniforms({u_samples_a:b.subarray(0, 16), u_samples_b:b.subarray(16, 32)});
        }
        c = this._temp_texture;
        b = gl.UNSIGNED_BYTE;
        a.type != b && (b = gl.FLOAT);
        c && c.type == b || (this._temp_texture = new GL.Texture(1, 1, {type:b, format:gl.RGBA, filter:gl.NEAREST}));
        var e = D._shader, d = this._uniforms;
        d.u_mipmap_offset = this.properties.mipmap_offset;
        this._temp_texture.drawTo(function() {
          a.toViewport(e, d);
        });
        this.setOutputData(0, this._temp_texture);
        if (this.isOutputConnected(1) || this.isOutputConnected(2)) {
          if (c = this._temp_texture.getPixels()) {
            var f = this._luminance;
            b = this._temp_texture.type;
            f.set(c);
            b == gl.UNSIGNED_BYTE ? vec4.scale(f, f, 1 / 255) : (b == GL.HALF_FLOAT || b == GL.HALF_FLOAT_OES) && vec4.scale(f, f, 1 / 65025);
            this.setOutputData(1, f);
            this.setOutputData(2, (f[0] + f[1] + f[2]) / 3);
          }
        }
      }
    };
    D.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";
    d.registerNodeType("texture/average", D);
    G.title = "Image to Texture";
    G.desc = "Uploads an image to the GPU";
    G.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        var b = a.videoWidth || a.width, c = a.videoHeight || a.height;
        if (a.gltexture) {
          this.setOutputData(0, a.gltexture);
        } else {
          var e = this._temp_texture;
          e && e.width == b && e.height == c || (this._temp_texture = new GL.Texture(b, c, {format:gl.RGBA, filter:gl.LINEAR}));
          try {
            this._temp_texture.uploadImage(a);
          } catch (N) {
            console.error("image comes from an unsafe location, cannot be uploaded to webgl: " + N);
            return;
          }
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    d.registerNodeType("texture/imageToTexture", G);
    B.widgets_info = {texture:{widget:"texture"}, precision:{widget:"combo", values:r.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 === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            var b = this.getInputData(1);
            b || (b = r.getTexture(this.properties.texture));
            if (b) {
              b.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 = r.getTargetTexture(a, this._tex, this.properties.precision);
              this._tex.drawTo(function() {
                b.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";
    d.registerNodeType("texture/LUT", B);
    n.title = "Texture to Channels";
    n.desc = "Split texture channels";
    n.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        this._channels || (this._channels = Array(4));
        for (var b = 0, c = 0; 4 > c; c++) {
          this.isOutputConnected(c) ? (this._channels[c] && this._channels[c].width == a.width && this._channels[c].height == a.height && this._channels[c].type == a.type || (this._channels[c] = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR})), b++) : this._channels[c] = null;
        }
        if (b) {
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var e = Mesh.getScreenQuad(), d = n._shader, f = [[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]];
          for (c = 0; 4 > c; c++) {
            this._channels[c] && (this._channels[c].drawTo(function() {
              a.bind(0);
              d.uniforms({u_texture:0, u_mask:f[c]}).draw(e);
            }), this.setOutputData(c, this._channels[c]));
          }
        }
      }
    };
    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 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";
    d.registerNodeType("texture/textureChannels", n);
    k.title = "Channels to Texture";
    k.desc = "Split texture channels";
    k.prototype.onExecute = function() {
      var a = [this.getInputData(0), this.getInputData(1), this.getInputData(2), this.getInputData(3)];
      if (a[0] && a[1] && a[2] && a[3]) {
        gl.disable(gl.BLEND);
        gl.disable(gl.DEPTH_TEST);
        var b = Mesh.getScreenQuad(), c = k._shader;
        this._tex = r.getTargetTexture(a[0], this._tex);
        this._tex.drawTo(function() {
          a[0].bind(0);
          a[1].bind(1);
          a[2].bind(2);
          a[3].bind(3);
          c.uniforms({u_textureR:0, u_textureG:1, u_textureB:2, u_textureA:3}).draw(b);
        });
        this.setOutputData(0, this._tex);
      }
    };
    k.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\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = 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";
    d.registerNodeType("texture/channelsTexture", k);
    f.title = "Color";
    f.desc = "Generates a 1x1 texture with a constant color";
    f.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    f.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]);
    };
    f.prototype.onExecute = function() {
      var a = this.properties.precision == r.HIGH ? r.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 c = this.inputs[b], e = this.getInputData(b);
          if (void 0 !== e) {
            switch(c.name) {
              case "RGB":
              case "RGBA":
                a.set(e);
                break;
              case "R":
                a[0] = e;
                break;
              case "G":
                a[1] = e;
                break;
              case "B":
                a[2] = e;
                break;
              case "A":
                a[3] = e;
            }
          }
        }
      }
      0.001 < vec4.sqrDist(this._tex_color, a) && (this._tex_color.set(a), this._tex.fill(a));
      this.setOutputData(0, this._tex);
    };
    f.prototype.onGetInputs = function() {
      return [["RGB", "vec3"], ["RGBA", "vec4"], ["R", "number"], ["G", "number"], ["B", "number"], ["A", "number"]];
    };
    d.registerNodeType("texture/color", f);
    e.title = "Gradient";
    e.desc = "Generates a gradient";
    e["@A"] = {type:"color"};
    e["@B"] = {type:"color"};
    e["@texture_size"] = {type:"enum", values:[32, 64, 128, 256, 512]};
    e.prototype.onExecute = function() {
      gl.disable(gl.BLEND);
      gl.disable(gl.DEPTH_TEST);
      var a = GL.Mesh.getScreenQuad(), b = e._shader, c = this.getInputData(0);
      c || (c = this.properties.A);
      var d = this.getInputData(1);
      d || (d = this.properties.B);
      for (var f = 2; f < this.inputs.length; f++) {
        var k = this.inputs[f], g = this.getInputData(f);
        void 0 !== g && (this.properties[k.name] = g);
      }
      var h = this._uniforms;
      this._uniforms.u_angle = this.properties.angle * DEG2RAD;
      this._uniforms.u_scale = this.properties.scale;
      vec3.copy(h.u_colorA, c);
      vec3.copy(h.u_colorB, d);
      c = parseInt(this.properties.texture_size);
      this._tex && this._tex.width == c || (this._tex = new GL.Texture(c, c, {format:gl.RGB, filter:gl.LINEAR}));
      this._tex.drawTo(function() {
        b.uniforms(h).draw(a);
      });
      this.setOutputData(0, this._tex);
    };
    e.prototype.onGetInputs = function() {
      return [["angle", "number"], ["scale", "number"]];
    };
    e.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";
    d.registerNodeType("texture/gradient", e);
    c.title = "Mix";
    c.desc = "Generates a texture mixing two textures";
    c.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    c.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1);
          if (a && b) {
            var e = this.getInputData(2), d = this.getInputData(3);
            this._tex = r.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var f = Mesh.getScreenQuad(), k = null, g = this._uniforms;
            e ? (k = c._shader_tex, k || (k = c._shader_tex = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, c.pixel_shader, {MIX_TEX:""}))) : (k = c._shader_factor, k || (k = c._shader_factor = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, c.pixel_shader)), d = null == d ? this.properties.factor : d, g.u_mix.set([d, d, d, d]));
            this._tex.drawTo(function() {
              a.bind(0);
              b.bind(1);
              e && e.bind(2);
              k.uniforms(g).draw(f);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    c.prototype.onGetInputs = function() {
      return [["factor", "number"]];
    };
    c.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";
    d.registerNodeType("texture/mix", c);
    b.title = "Edges";
    b.desc = "Detects edges";
    b.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    b.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            this._tex = r.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var c = Mesh.getScreenQuad(), e = b._shader, d = this.properties.invert, f = this.properties.factor, k = this.properties.threshold ? 1 : 0;
            this._tex.drawTo(function() {
              a.bind(0);
              e.uniforms({u_texture:0, u_isize:[1 / a.width, 1 / a.height], u_factor:f, u_threshold:k, u_invert:d ? 1 : 0}).draw(c);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    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 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";
    d.registerNodeType("texture/edges", b);
    a.title = "Depth Range";
    a.desc = "Generates a texture with a depth range";
    a.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var b = this.getInputData(0);
        if (b) {
          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 == b.width && this._temp_texture.height == b.height || (this._temp_texture = new GL.Texture(b.width, b.height, {type:c, format:gl.RGBA, filter:gl.LINEAR}));
          var e = this._uniforms;
          c = this.properties.distance;
          this.isInputConnected(1) && (c = this.getInputData(1), this.properties.distance = c);
          var d = this.properties.range;
          this.isInputConnected(2) && (d = this.getInputData(2), this.properties.range = d);
          e.u_distance = c;
          e.u_range = d;
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var f = 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 k = this.properties.only_depth ? a._shader_onlydepth : a._shader;
          c = null;
          c = b.near_far_planes ? b.near_far_planes : window.LS && LS.Renderer._main_camera ? LS.Renderer._main_camera._uniforms.u_camera_planes : [0.1, 1000];
          e.u_camera_planes = c;
          this._temp_texture.drawTo(function() {
            b.bind(0);
            k.uniforms(e).draw(f);
          });
          this._temp_texture.near_far_planes = c;
          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";
    d.registerNodeType("texture/depth_range", a);
    g.title = "Blur";
    g.desc = "Blur a texture";
    g.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    g.max_iterations = 20;
    g.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 c = this.properties.iterations;
        this.isInputConnected(1) && (c = this.getInputData(1), this.properties.iterations = c);
        c = Math.min(Math.floor(c), g.max_iterations);
        if (0 == c) {
          this.setOutputData(0, a);
        } else {
          var e = this.properties.intensity;
          this.isInputConnected(2) && (e = this.getInputData(2), this.properties.intensity = e);
          var f = d.camera_aspect;
          f || void 0 === window.gl || (f = gl.canvas.height / gl.canvas.width);
          f || (f = 1);
          f = this.properties.preserve_aspect ? f : 1;
          var k = this.properties.scale || [1, 1];
          a.applyBlur(f * k[0], k[1], e, b);
          for (a = 1; a < c; ++a) {
            b.applyBlur(f * k[0] * (a + 1), k[1] * (a + 1), e);
          }
          this.setOutputData(0, b);
        }
      }
    };
    d.registerNodeType("texture/blur", g);
    p.title = "Glow";
    p.desc = "Filters a texture giving it a glow effect";
    p.weights = new Float32Array([0.5, 0.4, 0.3, 0.2]);
    p.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:r.MODE_VALUES}};
    p.prototype.onGetInputs = function() {
      return [["enabled", "boolean"], ["threshold", "number"], ["intensity", "number"], ["persistence", "number"], ["iterations", "number"], ["dirt_factor", "number"]];
    };
    p.prototype.onGetOutputs = function() {
      return [["average", "Texture"]];
    };
    p.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isAnyOutputConnected()) {
        if (this.properties.precision === r.PASS_THROUGH || !1 === this.getInputOrProperty("enabled")) {
          this.setOutputData(0, a);
        } else {
          var b = a.width, c = a.height, e = {format:a.format, type:a.type, minFilter:GL.LINEAR, magFilter:GL.LINEAR, wrap:gl.CLAMP_TO_EDGE}, d = r.getTextureType(this.properties.precision, a), f = this._uniforms, k = this._textures, g = p._cut_shader;
          g || (g = p._cut_shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, p.cut_pixel_shader));
          gl.disable(gl.DEPTH_TEST);
          gl.disable(gl.BLEND);
          f.u_threshold = this.getInputOrProperty("threshold");
          var h = k[0] = GL.Texture.getTemporary(b, c, e);
          a.blit(h, g.uniforms(f));
          var l = h, n = this.getInputOrProperty("iterations");
          n = Math.clamp(n, 1, 16) | 0;
          var m = f.u_texel_size, t = this.getInputOrProperty("intensity");
          f.u_intensity = 1;
          f.u_delta = this.properties.scale;
          g = p._shader;
          g || (g = p._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, p.scale_pixel_shader));
          for (var q = 1; q < n; q++) {
            b >>= 1;
            1 < (c | 0) && (c >>= 1);
            if (2 > b) {
              break;
            }
            h = k[q] = GL.Texture.getTemporary(b, c, e);
            m[0] = 1 / l.width;
            m[1] = 1 / l.height;
            l.blit(h, g.uniforms(f));
            l = h;
          }
          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})), m[0] = 1 / l.width, m[1] = 1 / l.height, f.u_intensity = t, f.u_delta = 1, l.blit(b, g.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 (q -= 2; 0 <= q; q--) {
            h = k[q], k[q] = null, m[0] = 1 / l.width, m[1] = 1 / l.height, l.blit(h, g.uniforms(f)), GL.Texture.releaseTemporary(l), l = h;
          }
          gl.disable(gl.BLEND);
          this.isOutputConnected(1) && (k = this._glow_texture, k && k.width == a.width && k.height == a.height && k.type == d && k.format == a.format || (k = this._glow_texture = new GL.Texture(a.width, a.height, {type:d, format:a.format, filter:gl.LINEAR})), l.blit(k), this.setOutputData(1, k));
          if (this.isOutputConnected(0)) {
            k = this._final_texture;
            k && k.width == a.width && k.height == a.height && k.type == d && k.format == a.format || (k = this._final_texture = new GL.Texture(a.width, a.height, {type:d, format:a.format, filter:gl.LINEAR}));
            var u = this.getInputData(1), B = this.getInputOrProperty("dirt_factor");
            f.u_intensity = t;
            g = u ? p._dirt_final_shader : p._final_shader;
            g || (g = u ? p._dirt_final_shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, p.final_pixel_shader, {USE_DIRT:""}) : p._final_shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, p.final_pixel_shader));
            k.drawTo(function() {
              a.bind(0);
              l.bind(1);
              u && (g.setUniform("u_dirt_factor", B), g.setUniform("u_dirt_texture", u.bind(2)));
              g.toViewport(f);
            });
            this.setOutputData(0, k);
          }
          GL.Texture.releaseTemporary(l);
        }
      }
    };
    p.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}";
    p.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}";
    p.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}";
    d.registerNodeType("texture/glow", p);
    z.title = "Kuwahara Filter";
    z.desc = "Filters a texture giving an artistic oil canvas painting";
    z.max_radius = 10;
    z._shaders = [];
    z.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), z.max_radius);
        if (0 == b) {
          this.setOutputData(0, a);
        } else {
          var c = this.properties.intensity, e = d.camera_aspect;
          e || void 0 === window.gl || (e = gl.canvas.height / gl.canvas.width);
          e || (e = 1);
          e = this.properties.preserve_aspect ? e : 1;
          z._shaders[b] || (z._shaders[b] = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, z.pixel_shader, {RADIUS:b.toFixed(0)}));
          var f = z._shaders[b], k = GL.Mesh.getScreenQuad();
          a.bind(0);
          this._temp_texture.drawTo(function() {
            f.uniforms({u_texture:0, u_intensity:c, u_resolution:[a.width, a.height], u_iResolution:[1 / a.width, 1 / a.height]}).draw(k);
          });
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    z.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";
    d.registerNodeType("texture/kuwahara", z);
    l.title = "Webcam";
    l.desc = "Webcam texture";
    l.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) {
          console.log("Webcam rejected", b);
          a._webcam_stream = !1;
          a.boxcolor = "red";
          a.trigger("stream_error");
        });
        var a = this;
      }
    };
    l.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();
          }
        }
        this._video = this._webcam_stream = null;
        this.boxcolor = "black";
        this.trigger("stream_closed");
      }
    };
    l.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) {
        console.log(a);
      });
      this.trigger("stream_ready", b);
    };
    l.prototype.onPropertyChanged = function(a, b) {
      "facingMode" == a && (this.properties.facingMode = b, this.closeStream(), this.openStream());
    };
    l.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;
      }
    };
    l.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());
    };
    l.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, c = this._video_texture;
        c && c.width == a && c.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 && (r.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);
            }
          }
        }
      }
    };
    l.prototype.onGetOutputs = function() {
      return [["width", "number"], ["height", "number"], ["stream_ready", d.EVENT], ["stream_closed", d.EVENT], ["stream_error", d.EVENT]];
    };
    d.registerNodeType("texture/webcam", l);
    y.title = "Lens FX";
    y.desc = "distortion and chromatic aberration";
    y.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    y.prototype.onGetInputs = function() {
      return [["enabled", "boolean"]];
    };
    y.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        if (this.properties.precision === r.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 c = y._shader;
          c || (c = y._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, y.pixel_shader));
          var e = this.getInputData(1);
          null == e && (e = this.properties.factor);
          var d = this._uniforms;
          d.u_factor = e;
          gl.disable(gl.DEPTH_TEST);
          b.drawTo(function() {
            a.bind(0);
            c.uniforms(d).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_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}";
    d.registerNodeType("texture/lensfx", y);
    w.title = "Exposition";
    w.desc = "Controls texture exposition";
    w.widgets_info = {exposition:{widget:"slider", min:0, max:3}, precision:{widget:"combo", values:r.MODE_VALUES}};
    w.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 c = w._shader;
        c || (c = w._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, w.pixel_shader));
        var e = this.getInputData(1);
        null != e && (this.properties.exposition = e);
        var d = this._uniforms;
        b.drawTo(function() {
          gl.disable(gl.DEPTH_TEST);
          a.bind(0);
          c.uniforms(d).draw(GL.Mesh.getScreenQuad());
        });
        this.setOutputData(0, b);
      }
    };
    w.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}";
    d.registerNodeType("texture/exposition", w);
    t.title = "Tone Mapping";
    t.desc = "Applies Tone Mapping to convert from high to low";
    t.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    t.prototype.onGetInputs = function() {
      return [["enabled", "boolean"]];
    };
    t.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        if (this.properties.precision === r.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 c = t._shader;
          c || (c = t._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, t.pixel_shader));
          var e = this.getInputData(1);
          null != e && (this.properties.average_lum = e);
          var d = this._uniforms;
          d.u_lumwhite2 = this.properties.lum_white * this.properties.lum_white;
          d.u_scale = this.properties.scale;
          d.u_average_lum = this.properties.average_lum;
          d.u_igamma = 1 / this.properties.gamma;
          gl.disable(gl.DEPTH_TEST);
          b.drawTo(function() {
            a.bind(0);
            c.uniforms(d).draw(GL.Mesh.getScreenQuad());
          });
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    t.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\tuniform float u_average_lum;\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\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 / u_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}";
    d.registerNodeType("texture/tonemapping", t);
    u.title = "Perlin";
    u.desc = "Generates a perlin noise texture";
    u.widgets_info = {precision:{widget:"combo", values:r.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}};
    u.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 c = r.getTextureType(this.properties.precision), e = this._temp_texture;
        e && e.width == a && e.height == b && e.type == c || (e = this._temp_texture = new GL.Texture(a, b, {type:c, format:gl.RGB, filter:gl.LINEAR}));
        c = a + b + c + this.properties.persistence + this.properties.octaves + this.properties.scale + this.properties.seed + this.properties.offset[0] + this.properties.offset[1] + this.properties.amplitude;
        if (c != this._key) {
          this._key = c;
          var d = this._uniforms;
          d.u_persistence = this.properties.persistence;
          d.u_octaves = this.properties.octaves;
          d.u_offset[0] = this.properties.offset[0];
          d.u_offset[1] = this.properties.offset[1];
          d.u_scale = this.properties.scale;
          d.u_amplitude = this.properties.amplitude;
          d.u_viewport[0] = a;
          d.u_viewport[1] = b;
          d.u_seed = 128 * this.properties.seed;
          var f = u._shader;
          f || (f = u._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, u.pixel_shader));
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          e.drawTo(function() {
            f.uniforms(d).draw(GL.Mesh.getScreenQuad());
          });
        }
        this.setOutputData(0, e);
      }
    };
    u.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}";
    d.registerNodeType("texture/perlin", u);
    h.title = "Canvas2D";
    h.desc = "Executes Canvas2D code inside a texture or the viewport";
    h.widgets_info = {precision:{widget:"combo", values:r.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 && d.allow_scripts) {
        this._func = null;
        try {
          this._func = new Function("canvas", "ctx", "time", "script", b), this.boxcolor = "#00FF00";
        } catch (M) {
          this.boxcolor = "#FF0000", console.error("Error parsing script"), console.error(M);
        }
      }
    };
    h.prototype.onExecute = function() {
      var a = this._func;
      if (a && this.isOutputConnected(0)) {
        if (v.enableWebGLCanvas) {
          var b = this.properties.width || gl.canvas.width, c = this.properties.height || gl.canvas.height, e = this._temp_texture;
          e && e.width == b && e.height == c || (e = this._temp_texture = new GL.Texture(b, c, {format:gl.RGBA, filter:gl.LINEAR}));
          var d = this, f = this.graph.getTime();
          e.drawTo(function() {
            gl.start2D();
            try {
              a.draw ? a.draw.call(d, gl.canvas, gl, f, a) : a.call(d, gl.canvas, gl, f, a), d.boxcolor = "#00FF00";
            } catch (O) {
              d.boxcolor = "#FF0000", console.error("Error executing script"), console.error(O);
            }
            gl.finish2D();
          });
          this.setOutputData(0, e);
        } else {
          console.warn("cannot use LGraphTextureCanvas2D if Canvas2DtoWebGL is not included");
        }
      }
    };
    d.registerNodeType("texture/canvas2D", h);
    q.title = "Matte";
    q.desc = "Extracts background";
    q.widgets_info = {key_color:{widget:"color"}, precision:{widget:"combo", values:r.MODE_VALUES}};
    q.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            this._tex = r.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, c = Mesh.getScreenQuad(), e = q._shader;
            e || (e = q._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, q.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);
              e.uniforms(b).draw(c);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    q.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}";
    d.registerNodeType("texture/matte", q);
    m.title = "Cubemap";
    m.prototype.onDropFile = function(a, b, c) {
      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 = "");
    };
    m.prototype.onExecute = function() {
      if (this._drop_texture) {
        this.setOutputData(0, this._drop_texture);
      } else {
        if (this.properties.name) {
          var a = r.getTexture(this.properties.name);
          a && (this._last_tex = a, this.setOutputData(0, a));
        }
      }
    };
    m.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !a.webgl || gl.meshes.cube || (gl.meshes.cube = GL.Mesh.cube({size:1}));
    };
    d.registerNodeType("texture/cubemap", m);
  }
})(this);
(function(v) {
  var d = v.LiteGraph;
  if ("undefined" != typeof GL) {
    var m = function() {
      this.addInput("Tex.", "Texture");
      this.addInput("intensity", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {intensity:1, invert:!1, precision:LGraphTexture.DEFAULT};
      m._shader || (m._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, m.pixel_shader));
    }, q = 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};
    }, u = 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};
      u._shader || (u._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, u.pixel_shader), u._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]}));
    };
    u.title = "Lens";
    u.desc = "Camera Lens distortion";
    u.widgets_info = {precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    u.prototype.onExecute = function() {
      var d = this.getInputData(0);
      if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
        this.setOutputData(0, d);
      } else {
        if (d) {
          this._tex = LGraphTexture.getTargetTexture(d, this._tex, this.properties.precision);
          var h = this.properties.aberration;
          this.isInputConnected(1) && (h = this.getInputData(1), this.properties.aberration = h);
          var m = this.properties.distortion;
          this.isInputConnected(2) && (m = this.getInputData(2), this.properties.distortion = m);
          var l = this.properties.blur;
          this.isInputConnected(3) && (l = this.getInputData(3), this.properties.blur = l);
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var q = Mesh.getScreenQuad(), p = u._shader;
          this._tex.drawTo(function() {
            d.bind(0);
            p.uniforms({u_texture:0, u_aberration:h, u_distortion:m, u_blur:l}).draw(q);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    u.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";
    d.registerNodeType("fx/lens", u);
    v.LGraphFXLens = u;
    h.title = "Bokeh";
    h.desc = "applies an Bokeh effect";
    h.widgets_info = {shape:{widget:"texture"}};
    h.prototype.onExecute = function() {
      var d = this.getInputData(0), m = this.getInputData(1), q = this.getInputData(2);
      if (d && q && this.properties.shape) {
        m || (m = d);
        var l = LGraphTexture.getTexture(this.properties.shape);
        if (l) {
          var u = this.properties.threshold;
          this.isInputConnected(3) && (u = this.getInputData(3), this.properties.threshold = u);
          var p = gl.UNSIGNED_BYTE;
          this.properties.high_precision && (p = gl.half_float_ext ? gl.HALF_FLOAT_OES : gl.FLOAT);
          this._temp_texture && this._temp_texture.type == p && this._temp_texture.width == d.width && this._temp_texture.height == d.height || (this._temp_texture = new GL.Texture(d.width, d.height, {type:p, format:gl.RGBA, filter:gl.LINEAR}));
          var g = h._first_shader;
          g || (g = 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 b = this._points_mesh;
          b && b._width == d.width && b._height == d.height && 2 == b._spacing || (b = this.createPointsMesh(d.width, d.height, 2));
          var c = Mesh.getScreenQuad(), e = this.properties.size, f = this.properties.alpha;
          gl.disable(gl.DEPTH_TEST);
          gl.disable(gl.BLEND);
          this._temp_texture.drawTo(function() {
            d.bind(0);
            m.bind(1);
            q.bind(2);
            g.uniforms({u_texture:0, u_texture_blur:1, u_mask:2, u_texsize:[d.width, d.height]}).draw(c);
          });
          this._temp_texture.drawTo(function() {
            gl.enable(gl.BLEND);
            gl.blendFunc(gl.ONE, gl.ONE);
            d.bind(0);
            l.bind(3);
            a.uniforms({u_texture:0, u_mask:2, u_shape:3, u_alpha:f, u_threshold:u, u_pointSize:e, u_itexsize:[1.0 / d.width, 1.0 / d.height]}).draw(b, gl.POINTS);
          });
          this.setOutputData(0, this._temp_texture);
        }
      } else {
        this.setOutputData(0, d);
      }
    };
    h.prototype.createPointsMesh = function(d, h, m) {
      for (var l = Math.round(d / m), q = Math.round(h / m), p = new Float32Array(l * q * 2), g = -1, a = 2 / d * m, b = 2 / h * m, c = 0; c < q; ++c) {
        for (var e = -1, f = 0; f < l; ++f) {
          var k = c * l * 2 + 2 * f;
          p[k] = e;
          p[k + 1] = g;
          e += a;
        }
        g += b;
      }
      this._points_mesh = GL.Mesh.load({vertices2D:p});
      this._points_mesh._width = d;
      this._points_mesh._height = h;
      this._points_mesh._spacing = m;
      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";
    d.registerNodeType("fx/bokeh", h);
    v.LGraphFXBokeh = h;
    q.title = "FX";
    q.desc = "applies an FX from a list";
    q.widgets_info = {fx:{widget:"combo", values:["halftone", "pixelate", "lowpalette", "noise", "gamma"]}, precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    q.shaders = {};
    q.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var d = this.getInputData(0);
        if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
          this.setOutputData(0, d);
        } else {
          if (d) {
            this._tex = LGraphTexture.getTargetTexture(d, this._tex, this.properties.precision);
            var h = this.properties.value1;
            this.isInputConnected(1) && (h = this.getInputData(1), this.properties.value1 = h);
            var m = this.properties.value2;
            this.isInputConnected(2) && (m = this.getInputData(2), this.properties.value2 = m);
            var l = this.properties.fx, u = q.shaders[l];
            if (!u) {
              var p = q["pixel_shader_" + l];
              if (!p) {
                return;
              }
              u = q.shaders[l] = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, p);
            }
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var g = Mesh.getScreenQuad();
            camera_planes = v.LS && LS.Renderer._current_camera ? [LS.Renderer._current_camera.near, LS.Renderer._current_camera.far] : [1, 100];
            var a = null;
            "noise" == l && (a = LGraphTexture.getNoiseTexture());
            this._tex.drawTo(function() {
              d.bind(0);
              "noise" == l && a.bind(1);
              u.uniforms({u_texture:0, u_noise:1, u_size:[d.width, d.height], u_rand:[Math.random(), Math.random()], u_value1:h, u_value2:m, u_camera_planes:camera_planes}).draw(g);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    q.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";
    q.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";
    q.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";
    q.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";
    q.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";
    d.registerNodeType("fx/generic", q);
    v.LGraphFXGeneric = q;
    m.title = "Vigneting";
    m.desc = "Vigneting";
    m.widgets_info = {precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    m.prototype.onExecute = function() {
      var d = this.getInputData(0);
      if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
        this.setOutputData(0, d);
      } else {
        if (d) {
          this._tex = LGraphTexture.getTargetTexture(d, 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 q = Mesh.getScreenQuad(), l = m._shader, u = this.properties.invert;
          this._tex.drawTo(function() {
            d.bind(0);
            l.uniforms({u_texture:0, u_intensity:h, u_isize:[1 / d.width, 1 / d.height], u_invert:u ? 1 : 0}).draw(q);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    m.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";
    d.registerNodeType("fx/vigneting", m);
    v.LGraphFXVigneting = m;
  }
})(this);
(function(v) {
  function d(a) {
    this.cmd = this.channel = 0;
    this.data = new Uint32Array(3);
    a && this.setup(a);
  }
  function m(a, b) {
    navigator.requestMIDIAccess ? (this.on_ready = a, this.state = {note:[], cc:[]}, navigator.requestMIDIAccess().then(this.onMIDISuccess.bind(this), this.onMIDIFailure.bind(this))) : (this.error = "not suppoorted", b ? b("Not supported") : console.error("MIDI NOT SUPPORTED, enable by chrome://flags"));
  }
  function q() {
    this.addOutput("on_midi", b.EVENT);
    this.addOutput("out", "midi");
    this.properties = {port:0};
    this._current_midi_event = this._last_midi_event = null;
    var a = this;
    new m(function(b) {
      a._midi = b;
      if (a._waiting) {
        a.onStart();
      }
      a._waiting = !1;
    });
  }
  function h() {
    this.addInput("send", b.EVENT);
    this.properties = {port:0};
    var a = this;
    new m(function(b) {
      a._midi = b;
    });
  }
  function u() {
    this.addInput("on_midi", b.EVENT);
    this._str = "";
    this.size = [200, 40];
  }
  function t() {
    this.properties = {channel:-1, cmd:-1, min_value:-1, max_value:-1};
    this.addInput("in", b.EVENT);
    this.addOutput("on_midi", b.EVENT);
  }
  function w() {
    this.properties = {channel:0, cmd:144, value1:1, value2:1};
    this.addInput("send", b.EVENT);
    this.addInput("assign", b.EVENT);
    this.addOutput("on_midi", b.EVENT);
    this.midi_event = new d;
  }
  function y() {
    this.properties = {cc:1, value:0};
    this.addOutput("value", "number");
  }
  function l() {
    this.addInput("generate", b.ACTION);
    this.addInput("scale", "string");
    this.addInput("octave", "number");
    this.addOutput("note", b.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 = l.processScale(this.properties.notes);
    this.sequence_index = 0;
  }
  function z() {
    this.properties = {amount:0};
    this.addInput("in", b.ACTION);
    this.addInput("amount", "number");
    this.addOutput("out", b.EVENT);
    this.midi_event = new d;
  }
  function p() {
    this.properties = {scale:"A,A#,B,C,C#,D,D#,E,F,F#,G,G#"};
    this.addInput("note", b.ACTION);
    this.addInput("scale", "string");
    this.addOutput("out", b.EVENT);
    this.valid_notes = Array(12);
    this.offset_notes = Array(12);
    this.processScale(this.properties.scale);
  }
  function g() {
    this.properties = {volume:0.5, duration:1};
    this.addInput("note", b.ACTION);
    this.addInput("volume", "number");
    this.addInput("duration", "number");
    this.addOutput("note", b.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", b.ACTION);
    this.addInput("reset", b.ACTION);
    this.addOutput("note", b.EVENT);
    this.size = [400, 100];
    this.keys = [];
    this._last_key = -1;
  }
  var b = v.LiteGraph;
  b.MIDIEvent = d;
  d.prototype.setup = function(a) {
    this.data.set(a);
    this.status = a = a[0];
    var b = a & 240;
    this.cmd = 240 <= a ? a : b;
    this.cmd == d.NOTEON && 0 == this.velocity && (this.cmd = d.NOTEOFF);
    this.cmd_str = d.commands[this.cmd] || "";
    if (b >= d.NOTEON || b <= d.NOTEOFF) {
      this.channel = a & 15;
    }
  };
  Object.defineProperty(d.prototype, "velocity", {get:function() {
    return this.cmd == d.NOTEON ? this.data[2] : -1;
  }, set:function(a) {
    this.data[2] = a;
  }, enumerable:!0});
  d.notes = "A A# B C C# D D# E F F# G G#".split(" ");
  d.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(d.prototype, "note", {get:function() {
    return this.cmd != d.NOTEON ? -1 : d.toNoteString(this.data[1], !0);
  }, set:function(a) {
    throw "notes cannot be assigned this way, must modify the data[1]";
  }, enumerable:!0});
  Object.defineProperty(d.prototype, "octave", {get:function() {
    return this.cmd != d.NOTEON ? -1 : Math.floor((this.data[1] - 24) / 12 + 1);
  }, set:function(a) {
    throw "octave cannot be assigned this way, must modify the data[1]";
  }, enumerable:!0});
  d.prototype.getPitch = function() {
    return 440 * Math.pow(2, (this.data[1] - 69) / 12);
  };
  d.computePitch = function(a) {
    return 440 * Math.pow(2, (a - 69) / 12);
  };
  d.prototype.getCC = function() {
    return this.data[1];
  };
  d.prototype.getCCValue = function() {
    return this.data[2];
  };
  d.prototype.getPitchBend = function() {
    return this.data[1] + (this.data[2] << 7) - 8192;
  };
  d.computePitchBend = function(a, b) {
    return a + (b << 7) - 8192;
  };
  d.prototype.setCommandFromString = function(a) {
    this.cmd = d.computeCommandFromString(a);
  };
  d.computeCommandFromString = function(a) {
    if (!a) {
      return 0;
    }
    if (a && a.constructor === Number) {
      return a;
    }
    a = a.toUpperCase();
    switch(a) {
      case "NOTE ON":
      case "NOTEON":
        return d.NOTEON;
      case "NOTE OFF":
      case "NOTEOFF":
        return d.NOTEON;
      case "KEY PRESSURE":
      case "KEYPRESSURE":
        return d.KEYPRESSURE;
      case "CONTROLLER CHANGE":
      case "CONTROLLERCHANGE":
      case "CC":
        return d.CONTROLLERCHANGE;
      case "PROGRAM CHANGE":
      case "PROGRAMCHANGE":
      case "PC":
        return d.PROGRAMCHANGE;
      case "CHANNEL PRESSURE":
      case "CHANNELPRESSURE":
        return d.CHANNELPRESSURE;
      case "PITCH BEND":
      case "PITCHBEND":
        return d.PITCHBEND;
      case "TIME TICK":
      case "TIMETICK":
        return d.TIMETICK;
      default:
        return Number(a);
    }
  };
  d.toNoteString = function(a, b) {
    a = Math.round(a);
    var c = Math.floor((a - 24) / 12 + 1);
    a = (a - 21) % 12;
    0 > a && (a = 12 + a);
    return d.notes[a] + (b ? "" : c);
  };
  d.NoteStringToPitch = function(a) {
    a = a.toUpperCase();
    var b = a[0], c = 4;
    "#" == a[1] ? (b += "#", 2 < a.length && (c = Number(a[2]))) : 1 < a.length && (c = Number(a[1]));
    a = d.note_to_index[b];
    return null == a ? null : 12 * (c - 1) + a + 21;
  };
  d.prototype.toString = function() {
    var a = "" + this.channel + ". ";
    switch(this.cmd) {
      case d.NOTEON:
        a += "NOTEON " + d.toNoteString(this.data[1]);
        break;
      case d.NOTEOFF:
        a += "NOTEOFF " + d.toNoteString(this.data[1]);
        break;
      case d.CONTROLLERCHANGE:
        a += "CC " + this.data[1] + " " + this.data[2];
        break;
      case d.PROGRAMCHANGE:
        a += "PC " + this.data[1];
        break;
      case d.PITCHBEND:
        a += "PITCHBEND " + this.getPitchBend();
        break;
      case d.KEYPRESSURE:
        a += "KEYPRESS " + this.data[1];
    }
    return a;
  };
  d.prototype.toHexString = function() {
    for (var a = "", b = 0; b < this.data.length; b++) {
      a += this.data[b].toString(16) + " ";
    }
  };
  d.NOTEOFF = 128;
  d.NOTEON = 144;
  d.KEYPRESSURE = 160;
  d.CONTROLLERCHANGE = 176;
  d.PROGRAMCHANGE = 192;
  d.CHANNELPRESSURE = 208;
  d.PITCHBEND = 224;
  d.TIMETICK = 248;
  d.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"};
  m.input = null;
  m.MIDIEvent = d;
  m.prototype.onMIDISuccess = function(a) {
    console.log("MIDI ready!");
    console.log(a);
    this.midi = a;
    this.updatePorts();
    if (this.on_ready) {
      this.on_ready(this);
    }
  };
  m.prototype.updatePorts = function() {
    var a = this.midi;
    this.input_ports = a.inputs;
    for (var b = 0, d = this.input_ports.values(), k = d.next(); k && !1 === k.done;) {
      k = k.value, console.log("Input port [type:'" + k.type + "'] id:'" + k.id + "' manufacturer:'" + k.manufacturer + "' name:'" + k.name + "' version:'" + k.version + "'"), b++, k = d.next();
    }
    this.num_input_ports = b;
    b = 0;
    this.output_ports = a.outputs;
    d = this.output_ports.values();
    for (k = d.next(); k && !1 === k.done;) {
      k = k.value, console.log("Output port [type:'" + k.type + "'] id:'" + k.id + "' manufacturer:'" + k.manufacturer + "' name:'" + k.name + "' version:'" + k.version + "'"), b++, k = d.next();
    }
    this.num_output_ports = b;
  };
  m.prototype.onMIDIFailure = function(a) {
    console.error("Failed to get MIDI access - " + a);
  };
  m.prototype.openInputPort = function(a, b) {
    a = this.input_ports.get("input-" + a);
    if (!a) {
      return !1;
    }
    m.input = this;
    var c = this;
    a.onmidimessage = function(a) {
      var e = new d(a.data);
      c.updateState(e);
      b && b(a.data, e);
      if (m.on_message) {
        m.on_message(a.data, e);
      }
    };
    console.log("port open: ", a);
    return !0;
  };
  m.parseMsg = function(a) {
  };
  m.prototype.updateState = function(a) {
    switch(a.cmd) {
      case d.NOTEON:
        this.state.note[a.value1 | 0] = a.value2;
        break;
      case d.NOTEOFF:
        this.state.note[a.value1 | 0] = 0;
        break;
      case d.CONTROLLERCHANGE:
        this.state.cc[a.getCC()] = a.getCCValue();
    }
  };
  m.prototype.sendMIDI = function(a, b) {
    b && (a = this.output_ports.get("output-" + a)) && (m.output = this, b.constructor === d ? a.send(b.data) : a.send(b));
  };
  q.MIDIInterface = m;
  q.title = "MIDI Input";
  q.desc = "Reads MIDI from a input port";
  q.color = "#243";
  q.prototype.getPropertyInfo = function(a) {
    if (this._midi && "port" == a) {
      a = {};
      for (var b = 0; b < this._midi.input_ports.size; ++b) {
        var c = this._midi.input_ports.get("input-" + b);
        a[b] = b + ".- " + c.name + " version:" + c.version;
      }
      return {type:"enum", values:a};
    }
  };
  q.prototype.onStart = function() {
    this._midi ? this._midi.openInputPort(this.properties.port, this.onMIDIEvent.bind(this)) : this._waiting = !0;
  };
  q.prototype.onMIDIEvent = function(a, b) {
    this._last_midi_event = b;
    this.trigger("on_midi", b);
    b.cmd == d.NOTEON ? this.trigger("on_noteon", b) : b.cmd == d.NOTEOFF ? this.trigger("on_noteoff", b) : b.cmd == d.CONTROLLERCHANGE ? this.trigger("on_cc", b) : b.cmd == d.PROGRAMCHANGE ? this.trigger("on_pc", b) : b.cmd == d.PITCHBEND && this.trigger("on_pitchbend", b);
  };
  q.prototype.onExecute = function() {
    if (this.outputs) {
      for (var a = this._last_midi_event, b = 0; b < this.outputs.length; ++b) {
        switch(this.outputs[b].name) {
          case "midi":
            var d = this._midi;
            break;
          case "last_midi":
            d = a;
            break;
          default:
            continue;
        }
        this.setOutputData(b, d);
      }
    }
  };
  q.prototype.onGetOutputs = function() {
    return [["last_midi", "midi"], ["on_midi", b.EVENT], ["on_noteon", b.EVENT], ["on_noteoff", b.EVENT], ["on_cc", b.EVENT], ["on_pc", b.EVENT], ["on_pitchbend", b.EVENT]];
  };
  b.registerNodeType("midi/input", q);
  h.MIDIInterface = m;
  h.title = "MIDI Output";
  h.desc = "Sends MIDI to output channel";
  h.color = "#243";
  h.prototype.getPropertyInfo = function(a) {
    if (this._midi && "port" == a) {
      a = {};
      for (var b = 0; b < this._midi.output_ports.size; ++b) {
        var c = this._midi.output_ports.get(b);
        a[b] = b + ".- " + c.name + " version:" + c.version;
      }
      return {type:"enum", values:a};
    }
  };
  h.prototype.onAction = function(a, b) {
    this._midi && ("send" == a && this._midi.sendMIDI(this.port, b), this.trigger("midi", b));
  };
  h.prototype.onGetInputs = function() {
    return [["send", b.ACTION]];
  };
  h.prototype.onGetOutputs = function() {
    return [["on_midi", b.EVENT]];
  };
  b.registerNodeType("midi/output", h);
  u.title = "MIDI Show";
  u.desc = "Shows MIDI in the graph";
  u.color = "#243";
  u.prototype.onAction = function(a, b) {
    b && (this._str = b.constructor === d ? b.toString() : "???");
  };
  u.prototype.onDrawForeground = function(a) {
    this._str && (a.font = "30px Arial", a.fillText(this._str, 10, 0.8 * this.size[1]));
  };
  u.prototype.onGetInputs = function() {
    return [["in", b.ACTION]];
  };
  u.prototype.onGetOutputs = function() {
    return [["on_midi", b.EVENT]];
  };
  b.registerNodeType("midi/show", u);
  t.title = "MIDI Filter";
  t.desc = "Filters MIDI messages";
  t.color = "#243";
  t.prototype.onAction = function(a, b) {
    !b || b.constructor !== d || -1 != this.properties.channel && b.channel != this.properties.channel || -1 != this.properties.cmd && b.cmd != this.properties.cmd || -1 != this.properties.min_value && b.data[1] < this.properties.min_value || -1 != this.properties.max_value && b.data[1] > this.properties.max_value || this.trigger("on_midi", b);
  };
  b.registerNodeType("midi/filter", t);
  w.title = "MIDIEvent";
  w.desc = "Create a MIDI Event";
  w.color = "#243";
  w.prototype.onAction = function(a, b) {
    "assign" == a ? (this.properties.channel = b.channel, this.properties.cmd = b.cmd, this.properties.value1 = b.data[1], this.properties.value2 = b.data[2]) : (b = this.midi_event, b.channel = this.properties.channel, this.properties.cmd && this.properties.cmd.constructor === String ? b.setCommandFromString(this.properties.cmd) : b.cmd = this.properties.cmd, b.data[0] = b.cmd | b.channel, b.data[1] = Number(this.properties.value1), b.data[2] = Number(this.properties.value2), this.trigger("on_midi", 
    b));
  };
  w.prototype.onExecute = function() {
    var a = this.properties;
    if (this.inputs) {
      for (var b = 0; b < this.inputs.length; ++b) {
        var f = this.inputs[b];
        if (-1 != f.link) {
          switch(f.name) {
            case "note":
              f = this.getInputData(b), null != f && (f.constructor === String && (f = d.NoteStringToPitch(f)), this.properties.value1 = (f | 0) % 255);
          }
        }
      }
    }
    if (this.outputs) {
      for (b = 0; b < this.outputs.length; ++b) {
        switch(this.outputs[b].name) {
          case "midi":
            f = new d;
            f.setup([a.cmd, a.value1, a.value2]);
            f.channel = a.channel;
            break;
          case "command":
            f = a.cmd;
            break;
          case "cc":
            f = a.value1;
            break;
          case "cc_value":
            f = a.value2;
            break;
          case "note":
            f = a.cmd == d.NOTEON || a.cmd == d.NOTEOFF ? a.value1 : null;
            break;
          case "velocity":
            f = a.cmd == d.NOTEON ? a.value2 : null;
            break;
          case "pitch":
            f = a.cmd == d.NOTEON ? d.computePitch(a.value1) : null;
            break;
          case "pitchbend":
            f = a.cmd == d.PITCHBEND ? d.computePitchBend(a.value1, a.value2) : null;
            break;
          default:
            continue;
        }
        null !== f && this.setOutputData(b, f);
      }
    }
  };
  w.prototype.onPropertyChanged = function(a, b) {
    "cmd" == a && (this.properties.cmd = d.computeCommandFromString(b));
  };
  w.prototype.onGetInputs = function() {
    return [["note", "number"]];
  };
  w.prototype.onGetOutputs = function() {
    return [["midi", "midi"], ["on_midi", b.EVENT], ["command", "number"], ["note", "number"], ["velocity", "number"], ["cc", "number"], ["cc_value", "number"], ["pitch", "number"], ["pitchbend", "number"]];
  };
  b.registerNodeType("midi/event", w);
  y.title = "MIDICC";
  y.desc = "gets a Controller Change";
  y.color = "#243";
  y.prototype.onExecute = function() {
    m.input && (this.properties.value = m.input.state.cc[this.properties.cc]);
    this.setOutputData(0, this.properties.value);
  };
  b.registerNodeType("midi/cc", y);
  l.title = "MIDI Generator";
  l.desc = "Generates a random MIDI note";
  l.color = "#243";
  l.processScale = function(a) {
    a = a.split(",");
    for (var c = 0; c < a.length; ++c) {
      var f = a[c];
      a[c] = 2 == f.length && "#" != f[1] || 2 < f.length ? -b.MIDIEvent.NoteStringToPitch(f) : d.note_to_index[f] || 0;
    }
    return a;
  };
  l.prototype.onPropertyChanged = function(a, b) {
    "notes" == a && (this.notes_pitches = l.processScale(b));
  };
  l.prototype.onExecute = function() {
    var a = this.getInputData(2);
    null != a && (this.properties.octave = a);
    if (a = this.getInputData(1)) {
      this.notes_pitches = l.processScale(a);
    }
  };
  l.prototype.onAction = function(a, b) {
    var c = 0;
    b = this.notes_pitches.length;
    a = 0;
    "sequence" == this.properties.mode ? a = this.sequence_index = (this.sequence_index + 1) % b : "random" == this.properties.mode && (a = Math.floor(Math.random() * b));
    b = this.notes_pitches[a];
    c = 0 <= b ? b + 12 * (this.properties.octave - 1) + 33 : -b;
    b = new d;
    b.setup([d.NOTEON, c, 10]);
    a = this.properties.duration || 1;
    this.trigger("note", b);
    setTimeout(function() {
      var a = new d;
      a.setup([d.NOTEOFF, c, 0]);
      this.trigger("note", a);
    }.bind(this), 1000 * a);
  };
  b.registerNodeType("midi/generator", l);
  z.title = "MIDI Transpose";
  z.desc = "Transpose a MIDI note";
  z.color = "#243";
  z.prototype.onAction = function(a, b) {
    b && b.constructor === d && (b.data[0] == d.NOTEON || b.data[0] == d.NOTEOFF ? (this.midi_event = new d, this.midi_event.setup(b.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", b));
  };
  z.prototype.onExecute = function() {
    var a = this.getInputData(1);
    null != a && (this.properties.amount = a);
  };
  b.registerNodeType("midi/transpose", z);
  p.title = "MIDI Quantize Pitch";
  p.desc = "Transpose a MIDI note tp fit an scale";
  p.color = "#243";
  p.prototype.onPropertyChanged = function(a, b) {
    "scale" == a && this.processScale(b);
  };
  p.prototype.processScale = function(a) {
    this._current_scale = a;
    this.notes_pitches = l.processScale(a);
    for (a = 0; 12 > a; ++a) {
      this.valid_notes[a] = -1 != this.notes_pitches.indexOf(a);
    }
    for (a = 0; 12 > a; ++a) {
      if (this.valid_notes[a]) {
        this.offset_notes[a] = 0;
      } else {
        for (var b = 1; 12 > b; ++b) {
          if (this.valid_notes[(a - b) % 12]) {
            this.offset_notes[a] = -b;
            break;
          }
          if (this.valid_notes[(a + b) % 12]) {
            this.offset_notes[a] = b;
            break;
          }
        }
      }
    }
  };
  p.prototype.onAction = function(a, b) {
    b && b.constructor === d && (b.data[0] == d.NOTEON || b.data[0] == d.NOTEOFF ? (this.midi_event = new d, this.midi_event.setup(b.data), this.midi_event.data[1] += this.offset_notes[d.note_to_index[b.note]], this.trigger("out", this.midi_event)) : this.trigger("out", b));
  };
  p.prototype.onExecute = function() {
    var a = this.getInputData(1);
    null != a && a != this._current_scale && this.processScale(a);
  };
  b.registerNodeType("midi/quantize", p);
  g.title = "MIDI Play";
  g.desc = "Plays a MIDI note";
  g.color = "#243";
  g.prototype.onAction = function(a, b) {
    if (b && b.constructor === d) {
      if (this.instrument && b.data[0] == d.NOTEON) {
        a = b.note;
        if (!a || "undefined" == a || a.constructor !== String) {
          return;
        }
        this.instrument.play(a, b.octave, this.properties.duration, this.properties.volume);
      }
      this.trigger("note", b);
    }
  };
  g.prototype.onExecute = function() {
    var a = this.getInputData(1);
    null != a && (this.properties.volume = a);
    a = this.getInputData(2);
    null != a && (this.properties.duration = a);
  };
  b.registerNodeType("midi/play", g);
  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.onDrawBackground = function(b) {
    if (!this.flags.collapsed) {
      var c = 12 * this.properties.num_octaves;
      this.keys.length = c;
      for (var d = this.size[0] / (7 * this.properties.num_octaves), k = this.size[1], g = 0; 2 > g; g++) {
        for (var h = 0; h < c; ++h) {
          var l = a.keys[h % 12];
          if (l.t == g) {
            var m = 7 * Math.floor(h / 12) * d + l.x * d;
            b.fillStyle = 0 == g ? this.keys[h] ? "#CCC" : "white" : this.keys[h] ? "#333" : "black";
            b.fillRect(m + 1, 0, d * l.w - 2, k * l.h);
          }
        }
      }
    }
  };
  a.prototype.getKeyIndex = function(b) {
    for (var c = this.size[0] / (7 * this.properties.num_octaves), d = this.size[1], k = 1; 0 <= k; k--) {
      for (var g = 0; g < this.keys.length; ++g) {
        var h = a.keys[g % 12];
        if (h.t == k) {
          var l = 7 * Math.floor(g / 12) * c + h.x * c, m = c * h.w;
          h = d * h.h;
          if (!(b[0] < l || b[0] > l + m || b[1] > h)) {
            return g;
          }
        }
      }
    }
    return -1;
  };
  a.prototype.onAction = function(a, b) {
    if ("reset" == a) {
      for (b = 0; b < this.keys.length; ++b) {
        this.keys[b] = !1;
      }
    } else {
      b && b.constructor === d && (a = b.data[1] - (12 * (this.properties.start_octave - 1) + 29), 0 <= a && a < this.keys.length && (b.data[0] == d.NOTEON ? this.keys[a] = !0 : b.data[0] == d.NOTEOFF && (this.keys[a] = !1)), this.trigger("note", b));
    }
  };
  a.prototype.onMouseDown = function(a, b) {
    if (!(0 > b[1])) {
      return a = this.getKeyIndex(b), this.keys[a] = !0, this._last_key = a, a = 12 * (this.properties.start_octave - 1) + 29 + a, b = new d, b.setup([d.NOTEON, a, 100]), this.trigger("note", b), !0;
    }
  };
  a.prototype.onMouseMove = function(a, b) {
    if (!(0 > b[1] || -1 == this._last_key)) {
      this.setDirtyCanvas(!0);
      a = this.getKeyIndex(b);
      if (this._last_key == a) {
        return !0;
      }
      this.keys[this._last_key] = !1;
      b = 12 * (this.properties.start_octave - 1) + 29 + this._last_key;
      var c = new d;
      c.setup([d.NOTEOFF, b, 100]);
      this.trigger("note", c);
      this.keys[a] = !0;
      b = 12 * (this.properties.start_octave - 1) + 29 + a;
      c = new d;
      c.setup([d.NOTEON, b, 100]);
      this.trigger("note", c);
      this._last_key = a;
      return !0;
    }
  };
  a.prototype.onMouseUp = function(a, b) {
    if (!(0 > b[1])) {
      return a = this.getKeyIndex(b), this.keys[a] = !1, this._last_key = -1, a = 12 * (this.properties.start_octave - 1) + 29 + a, b = new d, b.setup([d.NOTEOFF, a, 100]), this.trigger("note", b), !0;
    }
  };
  b.registerNodeType("midi/keys", a);
})(this);
(function(v) {
  function d() {
    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 = f.getAudioContext().createGain();
    this.audionode.graphnode = this;
    this.audionode.gain.value = this.properties.gain;
    this.properties.src && this.loadSound(this.properties.src);
  }
  function m() {
    this.properties = {gain:0.5};
    this._audionodes = [];
    this._media_stream = null;
    this.addOutput("out", "audio");
    this.addInput("gain", "number");
    this.audionode = f.getAudioContext().createGain();
    this.audionode.graphnode = this;
    this.audionode.gain.value = this.properties.gain;
  }
  function q() {
    this.properties = {fftSize:2048, minDecibels:-100, maxDecibels:-10, smoothingTimeConstant:0.5};
    this.audionode = f.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 = f.getAudioContext().createGain();
    this.addInput("in", "audio");
    this.addInput("gain", "number");
    this.addOutput("out", "audio");
  }
  function u() {
    this.properties = {impulse_src:"", normalize:!0};
    this.audionode = f.getAudioContext().createConvolver();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function t() {
    this.properties = {threshold:-50, knee:40, ratio:12, reduction:-20, attack:0, release:0.25};
    this.audionode = f.getAudioContext().createDynamicsCompressor();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function w() {
    this.properties = {};
    this.audionode = f.getAudioContext().createWaveShaper();
    this.addInput("in", "audio");
    this.addInput("shape", "waveshape");
    this.addOutput("out", "audio");
  }
  function y() {
    this.properties = {gain1:0.5, gain2:0.5};
    this.audionode = f.getAudioContext().createGain();
    this.audionode1 = f.getAudioContext().createGain();
    this.audionode1.gain.value = this.properties.gain1;
    this.audionode2 = f.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 l() {
    this.properties = {delayTime:0.5};
    this.audionode = f.getAudioContext().createDelay(10);
    this.audionode.delayTime.value = this.properties.delayTime;
    this.addInput("in", "audio");
    this.addInput("time", "number");
    this.addOutput("out", "audio");
  }
  function z() {
    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 = f.getAudioContext().createBiquadFilter();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function p() {
    this.properties = {frequency:440, detune:0, type:"sine"};
    this.addProperty("type", "sine", "enum", {values:["sine", "square", "sawtooth", "triangle", "custom"]});
    this.audionode = f.getAudioContext().createOscillator();
    this.addOutput("out", "audio");
  }
  function g() {
    this.properties = {continuous:!0, mark:-1};
    this.addInput("data", "array");
    this.addInput("mark", "number");
    this.size = [300, 200];
    this._last_buffer = null;
  }
  function a() {
    this.properties = {band:440, amplitude:1};
    this.addInput("freqs", "array");
    this.addOutput("signal", "number");
  }
  function b() {
    if (!b.default_code) {
      var a = b.default_function.toString(), c = a.indexOf("{") + 1, d = a.lastIndexOf("}");
      b.default_code = a.substr(c, d - c);
    }
    this.properties = {code:b.default_code};
    a = f.getAudioContext();
    a.createScriptProcessor ? this.audionode = a.createScriptProcessor(4096, 1, 1) : (console.warn("ScriptProcessorNode deprecated"), this.audionode = a.createGain());
    this.processCode();
    b._bypass_function || (b._bypass_function = this.audionode.onaudioprocess);
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function c() {
    this.audionode = f.getAudioContext().destination;
    this.addInput("in", "audio");
  }
  var e = v.LiteGraph, f = {};
  v.LGAudio = f;
  f.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;
  };
  f.connect = function(a, b) {
    try {
      a.connect(b);
    } catch (B) {
      console.warn("LGraphAudio:", B);
    }
  };
  f.disconnect = function(a, b) {
    try {
      a.disconnect(b);
    } catch (B) {
      console.warn("LGraphAudio:", B);
    }
  };
  f.changeAllAudiosConnections = function(a, b) {
    if (a.inputs) {
      for (var c = 0; c < a.inputs.length; ++c) {
        var d = a.graph.links[a.inputs[c].link];
        if (d) {
          var e = a.graph.getNodeById(d.origin_id);
          e = e.getAudioNodeInOutputSlot ? e.getAudioNodeInOutputSlot(d.origin_slot) : e.audionode;
          d = a.getAudioNodeInInputSlot ? a.getAudioNodeInInputSlot(c) : a.audionode;
          b ? f.connect(e, d) : f.disconnect(e, d);
        }
      }
    }
    if (a.outputs) {
      for (c = 0; c < a.outputs.length; ++c) {
        for (var k = a.outputs[c], g = 0; g < k.links.length; ++g) {
          if (d = a.graph.links[k.links[g]]) {
            e = a.getAudioNodeInOutputSlot ? a.getAudioNodeInOutputSlot(c) : a.audionode;
            var h = a.graph.getNodeById(d.target_id);
            d = h.getAudioNodeInInputSlot ? h.getAudioNodeInInputSlot(d.target_slot) : h.audionode;
            b ? f.connect(e, d) : f.disconnect(e, d);
          }
        }
      }
    }
  };
  f.onConnectionsChange = function(a, b, c, d) {
    a == e.OUTPUT && (a = null, d && (a = this.graph.getNodeById(d.target_id)), a && (b = this.getAudioNodeInOutputSlot ? this.getAudioNodeInOutputSlot(b) : this.audionode, d = a.getAudioNodeInInputSlot ? a.getAudioNodeInInputSlot(d.target_slot) : a.audionode, c ? f.connect(b, d) : f.disconnect(b, d)));
  };
  f.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 = f.onConnectionsChange;
  };
  f.cached_audios = {};
  f.loadSound = function(a, b, c) {
    function d(a) {
      console.log("Audio loading sample error:", a);
      c && c(a);
    }
    if (f.cached_audios[a] && -1 == a.indexOf("blob:")) {
      b && b(f.cached_audios[a]);
    } else {
      f.onProcessAudioURL && (a = f.onProcessAudioURL(a));
      var e = new XMLHttpRequest;
      e.open("GET", a, !0);
      e.responseType = "arraybuffer";
      var k = f.getAudioContext();
      e.onload = function() {
        console.log("AudioSource loaded");
        k.decodeAudioData(e.response, function(c) {
          console.log("AudioSource decoded");
          f.cached_audios[a] = c;
          b && b(c);
        }, d);
      };
      e.send();
      return e;
    }
  };
  d["@src"] = {widget:"resource"};
  d.supported_extensions = ["wav", "ogg", "mp3"];
  d.prototype.onAdded = function(a) {
    if (a.status === LGraph.STATUS_RUNNING) {
      this.onStart();
    }
  };
  d.prototype.onStart = function() {
    this._audiobuffer && this.properties.autoplay && this.playBuffer(this._audiobuffer);
  };
  d.prototype.onStop = function() {
    this.stopAllSounds();
  };
  d.prototype.onPause = function() {
    this.pauseAllSounds();
  };
  d.prototype.onUnpause = function() {
    this.unpauseAllSounds();
  };
  d.prototype.onRemoved = function() {
    this.stopAllSounds();
    this._dropped_url && URL.revokeObjectURL(this._url);
  };
  d.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;
  };
  d.prototype.pauseAllSounds = function() {
    f.getAudioContext().suspend();
  };
  d.prototype.unpauseAllSounds = function() {
    f.getAudioContext().resume();
  };
  d.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);
      }
    }
  };
  d.prototype.onAction = function(a) {
    this._audiobuffer && ("Play" == a ? this.playBuffer(this._audiobuffer) : "Stop" == a && this.stopAllSounds());
  };
  d.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;
          }
        }
      }
    }
  };
  d.prototype.playBuffer = function(a) {
    var b = this, c = f.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;
  };
  d.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 = f.loadSound(a, function(a) {
      this.boxcolor = e.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");
  };
  d.prototype.onConnectionsChange = f.onConnectionsChange;
  d.prototype.onGetInputs = function() {
    return [["playbackRate", "number"], ["Play", e.ACTION], ["Stop", e.ACTION]];
  };
  d.prototype.onGetOutputs = function() {
    return [["buffer", "audiobuffer"], ["ended", e.EVENT]];
  };
  d.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;
  };
  d.title = "Source";
  d.desc = "Plays audio";
  e.registerNodeType("audio/source", d);
  m.prototype.onAdded = function(a) {
    if (a.status === LGraph.STATUS_RUNNING) {
      this.onStart();
    }
  };
  m.prototype.onStart = function() {
    null != this._media_stream || this._waiting_confirmation || this.openStream();
  };
  m.prototype.onStop = function() {
    this.audionode.gain.value = 0;
  };
  m.prototype.onPause = function() {
    this.audionode.gain.value = 0;
  };
  m.prototype.onUnpause = function() {
    this.audionode.gain.value = this.properties.gain;
  };
  m.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();
    }
  };
  m.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");
    }
  };
  m.prototype.streamReady = function(a) {
    this._media_stream = a;
    this.audiosource_node && this.audiosource_node.disconnect(this.audionode);
    this.audiosource_node = f.getAudioContext().createMediaStreamSource(a);
    this.audiosource_node.graphnode = this;
    this.audiosource_node.connect(this.audionode);
    this.boxcolor = "white";
  };
  m.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);
        }
      }
    }
  };
  m.prototype.onAction = function(a) {
    "Play" == a ? this.audionode.gain.value = this.properties.gain : "Stop" == a && (this.audionode.gain.value = 0);
  };
  m.prototype.onPropertyChanged = function(a, b) {
    "gain" == a && (this.audionode.gain.value = b);
  };
  m.prototype.onConnectionsChange = f.onConnectionsChange;
  m.prototype.onGetInputs = function() {
    return [["playbackRate", "number"], ["Play", e.ACTION], ["Stop", e.ACTION]];
  };
  m.title = "MediaSource";
  m.desc = "Plays microphone";
  e.registerNodeType("audio/media_source", m);
  q.prototype.onPropertyChanged = function(a, b) {
    this.audionode[a] = b;
  };
  q.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);
      }
    }
  };
  q.prototype.onGetInputs = function() {
    return [["minDecibels", "number"], ["maxDecibels", "number"], ["smoothingTimeConstant", "number"]];
  };
  q.prototype.onGetOutputs = function() {
    return [["freqs", "array"], ["samples", "array"]];
  };
  q.title = "Analyser";
  q.desc = "Audio Analyser";
  e.registerNodeType("audio/analyser", q);
  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);
      }
    }
  };
  f.createAudioNodeWrapper(h);
  h.title = "Gain";
  h.desc = "Audio gain";
  e.registerNodeType("audio/gain", h);
  f.createAudioNodeWrapper(u);
  u.prototype.onRemove = function() {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
  };
  u.prototype.onPropertyChanged = function(a, b) {
    "impulse_src" == a ? this.loadImpulse(b) : "normalize" == a && (this.audionode.normalize = b);
  };
  u.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);
  };
  u.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 = f.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);
  };
  u.title = "Convolver";
  u.desc = "Convolves the signal (used for reverb)";
  e.registerNodeType("audio/convolver", u);
  f.createAudioNodeWrapper(t);
  t.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);
        }
      }
    }
  };
  t.prototype.onGetInputs = function() {
    return [["threshold", "number"], ["knee", "number"], ["ratio", "number"], ["reduction", "number"], ["attack", "number"], ["release", "number"]];
  };
  t.title = "DynamicsCompressor";
  t.desc = "Dynamics Compressor";
  e.registerNodeType("audio/dynamicsCompressor", t);
  w.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      var a = this.getInputData(1);
      void 0 !== a && (this.audionode.curve = a);
    }
  };
  w.prototype.setWaveShape = function(a) {
    this.audionode.curve = a;
  };
  f.createAudioNodeWrapper(w);
  y.prototype.getAudioNodeInInputSlot = function(a) {
    if (0 == a) {
      return this.audionode1;
    }
    if (2 == a) {
      return this.audionode2;
    }
  };
  y.prototype.onPropertyChanged = function(a, b) {
    "gain1" == a ? this.audionode1.gain.value = b : "gain2" == a && (this.audionode2.gain.value = b);
  };
  y.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)));
      }
    }
  };
  f.createAudioNodeWrapper(y);
  y.title = "Mixer";
  y.desc = "Audio mixer";
  e.registerNodeType("audio/mixer", y);
  f.createAudioNodeWrapper(l);
  l.prototype.onExecute = function() {
    var a = this.getInputData(1);
    void 0 !== a && (this.audionode.delayTime.value = a);
  };
  l.title = "Delay";
  l.desc = "Audio delay";
  e.registerNodeType("audio/delay", l);
  z.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);
        }
      }
    }
  };
  z.prototype.onGetInputs = function() {
    return [["frequency", "number"], ["detune", "number"], ["Q", "number"]];
  };
  f.createAudioNodeWrapper(z);
  z.title = "BiquadFilter";
  z.desc = "Audio filter";
  e.registerNodeType("audio/biquadfilter", z);
  p.prototype.onStart = function() {
    this.audionode.started || (this.audionode.started = !0, this.audionode.start());
  };
  p.prototype.onStop = function() {
    this.audionode.started && (this.audionode.started = !1, this.audionode.stop());
  };
  p.prototype.onPause = function() {
    this.onStop();
  };
  p.prototype.onUnpause = function() {
    this.onStart();
  };
  p.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);
        }
      }
    }
  };
  p.prototype.onGetInputs = function() {
    return [["frequency", "number"], ["detune", "number"], ["type", "string"]];
  };
  f.createAudioNodeWrapper(p);
  p.title = "Oscillator";
  p.desc = "Oscillator";
  e.registerNodeType("audio/oscillator", p);
  g.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);
  };
  g.prototype.onDrawForeground = function(a) {
    if (this._last_buffer) {
      var b = this._last_buffer, c = b.length / this.size[0], d = this.size[1];
      a.fillStyle = "black";
      a.fillRect(0, 0, this.size[0], this.size[1]);
      a.strokeStyle = "white";
      a.beginPath();
      var e = 0;
      if (this.properties.continuous) {
        a.moveTo(e, d);
        for (var g = 0; g < b.length; g += c) {
          a.lineTo(e, d - b[g | 0] / 255 * d), e++;
        }
      } else {
        for (g = 0; g < b.length; g += c) {
          a.moveTo(e + 0.5, d), a.lineTo(e + 0.5, d - b[g | 0] / 255 * d), e++;
        }
      }
      a.stroke();
      0 <= this.properties.mark && (b = f.getAudioContext().sampleRate / b.length, e = this.properties.mark / b * 2 / c, e >= this.size[0] && (e = this.size[0] - 1), a.strokeStyle = "red", a.beginPath(), a.moveTo(e, d), a.lineTo(e, 0), a.stroke());
    }
  };
  g.title = "Visualization";
  g.desc = "Audio Visualization";
  e.registerNodeType("audio/visualization", g);
  a.prototype.onExecute = function() {
    if (this._freqs = this.getInputData(0)) {
      var a = this.properties.band, b = this.getInputData(1);
      void 0 !== b && (a = b);
      b = f.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);
    }
  };
  a.prototype.onGetInputs = function() {
    return [["band", "number"]];
  };
  a.title = "Signal";
  a.desc = "extract the signal of some frequency";
  e.registerNodeType("audio/signal", a);
  b.prototype.onAdded = function(a) {
    a.status == LGraph.STATUS_RUNNING && (this.audionode.onaudioprocess = this._callback);
  };
  b["@code"] = {widget:"code"};
  b.prototype.onStart = function() {
    this.audionode.onaudioprocess = this._callback;
  };
  b.prototype.onStop = function() {
    this.audionode.onaudioprocess = b._bypass_function;
  };
  b.prototype.onPause = function() {
    this.audionode.onaudioprocess = b._bypass_function;
  };
  b.prototype.onUnpause = function() {
    this.audionode.onaudioprocess = this._callback;
  };
  b.prototype.onExecute = function() {
  };
  b.prototype.onRemoved = function() {
    this.audionode.onaudioprocess = b._bypass_function;
  };
  b.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 (k) {
      console.error("Error in onaudioprocess code", k), this._callback = b._bypass_function, this.audionode.onaudioprocess = this._callback;
    }
  };
  b.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));
  };
  b.default_function = function() {
    this.onaudioprocess = function(a) {
      var b = a.inputBuffer;
      a = a.outputBuffer;
      for (var c = 0; c < a.numberOfChannels; c++) {
        for (var d = b.getChannelData(c), e = a.getChannelData(c), f = 0; f < b.length; f++) {
          e[f] = d[f];
        }
      }
    };
  };
  f.createAudioNodeWrapper(b);
  b.title = "Script";
  b.desc = "apply script to signal";
  e.registerNodeType("audio/script", b);
  c.title = "Destination";
  c.desc = "Audio output";
  e.registerNodeType("audio/destination", c);
})(this);
(function(v) {
  function d() {
    this.size = [60, 20];
    this.addInput("send", q.ACTION);
    this.addOutput("received", q.EVENT);
    this.addInput("in", 0);
    this.addOutput("out", 0);
    this.properties = {url:"", room:"lgraph"};
    this._ws = null;
    this._last_data = [];
  }
  function m() {
    this.size = [60, 20];
    this.addInput("send", q.ACTION);
    this.addOutput("received", q.EVENT);
    this.addInput("in", 0);
    this.addOutput("out", 0);
    this.properties = {url:"tamats.com:55000", room:"lgraph", save_bandwidth:!0};
    this._server = null;
    this.createSocket();
    this._last_input_data = [];
    this._last_output_data = [];
  }
  var q = v.LiteGraph;
  d.title = "WebSocket";
  d.desc = "Send data through a websocket";
  d.prototype.onPropertyChanged = function(d, m) {
    "url" == d && this.createSocket();
  };
  d.prototype.onExecute = function() {
    !this._ws && this.properties.url && this.createSocket();
    if (this._ws && this._ws.readyState == WebSocket.OPEN) {
      for (var d = this.properties.room, m = 1; m < this.inputs.length; ++m) {
        var q = this.getInputData(m);
        if (null != q) {
          try {
            var v = JSON.stringify({type:0, room:d, channel:m, data:q});
          } catch (y) {
            continue;
          }
          this._ws.send(v);
        }
      }
      for (m = 1; m < this.outputs.length; ++m) {
        this.setOutputData(m, this._last_data[m]);
      }
    }
  };
  d.prototype.createSocket = function() {
    var d = this, m = this.properties.url;
    "ws" != m.substr(0, 2) && (m = "ws://" + m);
    this._ws = new WebSocket(m);
    this._ws.onopen = function() {
      console.log("ready");
      d.boxcolor = "#8E8";
    };
    this._ws.onmessage = function(h) {
      var m = JSON.parse(h.data);
      m.room && m.room != this.properties.room || (1 == h.data.type ? d.triggerSlot(0, m) : d._last_data[h.data.channel || 0] = m.data);
    };
    this._ws.onerror = function(h) {
      console.log("couldnt connect to websocket");
      d.boxcolor = "#E88";
    };
    this._ws.onclose = function(h) {
      console.log("connection closed");
      d.boxcolor = "#000";
    };
  };
  d.prototype.send = function(d) {
    this._ws && this._ws.readyState == WebSocket.OPEN && this._ws.send(JSON.stringify({type:1, msg:d}));
  };
  d.prototype.onAction = function(d, m) {
    this._ws && this._ws.readyState == WebSocket.OPEN && this._ws.send({type:1, room:this.properties.room, action:d, data:m});
  };
  d.prototype.onGetInputs = function() {
    return [["in", 0]];
  };
  d.prototype.onGetOutputs = function() {
    return [["out", 0]];
  };
  q.registerNodeType("network/websocket", d);
  m.title = "SillyClient";
  m.desc = "Connects to SillyServer to broadcast messages";
  m.prototype.onPropertyChanged = function(d, m) {
    d = this.properties.url + "/" + this.properties.room;
    this._server && this._final_url != d && (this._server.connect(this.properties.url, this.properties.room), this._final_url = d);
  };
  m.prototype.onExecute = function() {
    if (this._server && this._server.is_connected) {
      for (var d = this.properties.save_bandwidth, m = 1; m < this.inputs.length; ++m) {
        var q = this.getInputData(m);
        null == q || d && this._last_input_data[m] == q || (this._server.sendMessage({type:0, channel:m, data:q}), this._last_input_data[m] = q);
      }
      for (m = 1; m < this.outputs.length; ++m) {
        this.setOutputData(m, this._last_output_data[m]);
      }
    }
  };
  m.prototype.createSocket = function() {
    var d = this;
    "undefined" == typeof SillyClient ? (this._error || console.error("SillyClient node cannot be used, you must include SillyServer.js"), this._error = !0) : (this._server = new SillyClient, this._server.on_ready = function() {
      console.log("ready");
      d.boxcolor = "#8E8";
    }, this._server.on_message = function(h, m) {
      h = null;
      try {
        h = JSON.parse(m);
      } catch (w) {
        return;
      }
      1 == h.type ? d.triggerSlot(0, h) : d._last_output_data[h.channel || 0] = h.data;
    }, this._server.on_error = function(h) {
      console.log("couldnt connect to websocket");
      d.boxcolor = "#E88";
    }, this._server.on_close = function(h) {
      console.log("connection closed");
      d.boxcolor = "#000";
    }, this.properties.url && this.properties.room && (this._server.connect(this.properties.url, this.properties.room), this._final_url = this.properties.url + "/" + this.properties.room));
  };
  m.prototype.send = function(d) {
    this._server && this._server.is_connected && this._server.sendMessage({type:1, data:d});
  };
  m.prototype.onAction = function(d, m) {
    this._server && this._server.is_connected && this._server.sendMessage({type:1, action:d, data:m});
  };
  m.prototype.onGetInputs = function() {
    return [["in", 0]];
  };
  m.prototype.onGetOutputs = function() {
    return [["out", 0]];
  };
  q.registerNodeType("network/sillyclient", m);
})(this);