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(p,t,w){p!=Array.prototype&&p!=Object.prototype&&(p[t]=w.value)};$jscomp.getGlobal=function(p){return"undefined"!=typeof window&&window===p?p:"undefined"!=typeof global&&null!=global?global:p};$jscomp.global=$jscomp.getGlobal(this);
$jscomp.polyfill=function(p,t,w,r){if(t){w=$jscomp.global;p=p.split(".");for(r=0;r<p.length-1;r++){var y=p[r];y in w||(w[y]={});w=w[y]}p=p[p.length-1];r=w[p];t=t(r);t!=r&&null!=t&&$jscomp.defineProperty(w,p,{configurable:!0,writable:!0,value:t})}};$jscomp.polyfill("Array.prototype.fill",function(p){return p?p:function(t,p,r){var w=this.length||0;0>p&&(p=Math.max(0,w+p));if(null==r||r>w)r=w;r=Number(r);0>r&&(r=Math.max(0,w+r));for(p=Number(p||0);p<r;p++)this[p]=t;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 p=0;return function(t){return $jscomp.SYMBOL_PREFIX+(t||"")+p++}}();
$jscomp.initSymbolIterator=function(){$jscomp.initSymbol();var p=$jscomp.global.Symbol.iterator;p||(p=$jscomp.global.Symbol.iterator=$jscomp.global.Symbol("iterator"));"function"!=typeof Array.prototype[p]&&$jscomp.defineProperty(Array.prototype,p,{configurable:!0,writable:!0,value:function(){return $jscomp.arrayIterator(this)}});$jscomp.initSymbolIterator=function(){}};$jscomp.arrayIterator=function(p){var t=0;return $jscomp.iteratorPrototype(function(){return t<p.length?{done:!1,value:p[t++]}:{done:!0}})};
$jscomp.iteratorPrototype=function(p){$jscomp.initSymbolIterator();p={next:p};p[$jscomp.global.Symbol.iterator]=function(){return this};return p};$jscomp.iteratorFromArray=function(p,t){$jscomp.initSymbolIterator();p instanceof String&&(p+="");var w=0,r={next:function(){if(w<p.length){var y=w++;return{value:t(y,p[y]),done:!1}}r.next=function(){return{done:!0,value:void 0}};return r.next()}};r[Symbol.iterator]=function(){return r};return r};
$jscomp.polyfill("Array.prototype.values",function(p){return p?p:function(){return $jscomp.iteratorFromArray(this,function(t,p){return p})}},"es8","es3");$jscomp.polyfill("Array.prototype.keys",function(p){return p?p:function(){return $jscomp.iteratorFromArray(this,function(t){return t})}},"es6","es3");$jscomp.owns=function(p,t){return Object.prototype.hasOwnProperty.call(p,t)};
$jscomp.polyfill("Object.values",function(p){return p?p:function(t){var p=[],r;for(r in t)$jscomp.owns(t,r)&&p.push(t[r]);return p}},"es8","es3");$jscomp.checkStringArgs=function(p,t,w){if(null==p)throw new TypeError("The 'this' value for String.prototype."+w+" must not be null or undefined");if(t instanceof RegExp)throw new TypeError("First argument to String.prototype."+w+" must not be a regular expression");return p+""};
$jscomp.polyfill("String.prototype.startsWith",function(p){return p?p:function(t,p){var r=$jscomp.checkStringArgs(this,t,"startsWith");t+="";var w=r.length,z=t.length;p=Math.max(0,Math.min(p|0,r.length));for(var l=0;l<z&&p<w;)if(r[p++]!=t[l++])return!1;return l>=z}},"es6","es3");$jscomp.findInternal=function(p,t,w){p instanceof String&&(p=String(p));for(var r=p.length,y=0;y<r;y++){var z=p[y];if(t.call(w,z,y,p))return{i:y,v:z}}return{i:-1,v:void 0}};
$jscomp.polyfill("Array.prototype.findIndex",function(p){return p?p:function(t,p){return $jscomp.findInternal(this,t,p).i}},"es6","es3");
(function(p){function t(a){g.debug&&console.log("Graph created");this.list_of_graphcanvas=null;this.clear();a&&this.configure(a)}function w(a,b,c,d,e,f){this.id=a;this.type=b;this.origin_id=c;this.origin_slot=d;this.target_id=e;this.target_slot=f;this._data=null;this._pos=new Float32Array(2)}function r(a){this._ctor(a)}function y(a){this._ctor(a)}function z(a,b){this.offset=new Float32Array([0,0]);this.scale=1;this.max_scale=10;this.min_scale=.1;this.onredraw=null;this.enabled=!0;this.last_mouse=
[0,0];this.element=null;this.visible_area=new Float32Array(4);a&&(this.element=a,b||this.bindEvents(a))}function l(a,b,c){this.options=c=c||{};this.background_image=l.DEFAULT_BACKGROUND_IMAGE;a&&a.constructor===String&&(a=document.querySelector(a));this.ds=new z;this.zoom_modify_alpha=!0;this.title_text_font=""+g.NODE_TEXT_SIZE+"px Arial";this.inner_text_font="normal "+g.NODE_SUBTEXT_SIZE+"px Arial";this.node_title_color=g.NODE_TITLE_COLOR;this.default_link_color=g.LINK_COLOR;this.default_connection_color=
{input_off:"#778",input_on:"#7F7",output_off:"#778",output_on:"#7F7"};this.highquality_render=!0;this.use_gradients=!1;this.editor_alpha=1;this.pause_rendering=!1;this.clear_background=!0;this.read_only=!1;this.render_only_selected=!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.align_to_grid=this.allow_reconnect_links=!1;this.filter=this.dragging_rectangle=null;this.set_canvas_dirty_on_mouse_event=!0;
this.always_render_background=!1;this.render_canvas_border=this.render_shadows=!0;this.render_connections_shadows=!1;this.render_connections_border=!0;this.render_connection_arrows=this.render_curved_connections=!1;this.render_collapsed_slots=!0;this.render_execution_order=!1;this.render_link_tooltip=this.render_title_colored=!0;this.links_render_mode=g.SPLINE_LINK;this.mouse=[0,0];this.canvas_mouse=this.graph_mouse=[0,0];this.onAfterChange=this.onBeforeChange=this.onConnectingChange=this.onSelectionChange=
this.onNodeMoved=this.onDrawLinkTooltip=this.onDrawOverlay=this.onDrawForeground=this.onDrawBackground=this.onMouse=this.onSearchBoxSelection=this.onSearchBox=null;this.connections_width=3;this.round_radius=8;this.over_link_center=this.node_widget=this.current_node=null;this.last_mouse_position=[0,0];this.visible_area=this.ds.visible_area;this.visible_links=[];this.viewport=c.viewport||null;b&&b.attachCanvas(this);this.setCanvas(a,c.skip_events);this.clear();c.skip_render||this.startRendering();this.autoresize=
c.autoresize}function J(a,b){return Math.sqrt((b[0]-a[0])*(b[0]-a[0])+(b[1]-a[1])*(b[1]-a[1]))}function C(a,b,c,d,e,f){return c<a&&c+e>a&&d<b&&d+f>b?!0:!1}function H(a,b){var c=a[0]+a[2],d=a[1]+a[3],e=b[1]+b[3];return a[0]>b[0]+b[2]||a[1]>e||c<b[0]||d<b[1]?!1:!0}function E(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 d=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));var e=null;b.event&&(e=b.event.constructor.name);"MouseEvent"!==e&&"CustomEvent"!==e&&"PointerEvent"!==e&&(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 d.close(),a.preventDefault(),!0},!0);b.scroll_speed||(b.scroll_speed=.1);f.addEventListener("wheel",c,!0);f.addEventListener("mousewheel",c,!0);this.root=f;b.title&&(e=document.createElement("div"),
e.className="litemenu-title",e.innerHTML=b.title,f.appendChild(e));for(var h=e=0;h<a.length;h++){var k=a.constructor==Array?a[h]:h;null!=k&&k.constructor!==String&&(k=void 0===k.content?String(k):k.content);this.addItem(k,a[h],b);e++}f.addEventListener("mouseleave",function(a){d.lock||(f.closing_timer&&clearTimeout(f.closing_timer),f.closing_timer=setTimeout(d.close.bind(d,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.fullscreenElement?a.fullscreenElement.appendChild(f):a.body.appendChild(f);e=b.left||0;a=b.top||0;b.event&&(e=b.event.clientX-10,a=b.event.clientY-10,b.title&&(a-=20),b.parentMenu&&(e=b.parentMenu.root.getBoundingClientRect(),e=e.left+e.width),h=document.body.getBoundingClientRect(),k=f.getBoundingClientRect(),0==h.height&&console.error("document.body height is 0. That is dangerous, set html,body { height: 100%; }"),h.width&&e>h.width-k.width-10&&(e=
h.width-k.width-10),h.height&&a>h.height-k.height-10&&(a=h.height-k.height-10));f.style.left=e+"px";f.style.top=a+"px";b.scale&&(f.style.transform="scale("+b.scale+")")}function G(a){this.points=a;this.nearest=this.selected=-1;this.size=null;this.must_update=!0;this.margin=5}var g=p.LiteGraph={VERSION:.4,CANVAS_GRID_SIZE:10,NODE_TITLE_HEIGHT:30,NODE_TITLE_TEXT_Y:20,NODE_SLOT_HEIGHT:20,NODE_WIDGET_HEIGHT:20,NODE_WIDTH:140,NODE_MIN_WIDTH:50,NODE_COLLAPSED_RADIUS:10,NODE_COLLAPSED_WIDTH:80,NODE_TITLE_COLOR:"#999",
NODE_SELECTED_TITLE_COLOR:"#FFF",NODE_TEXT_SIZE:14,NODE_TEXT_COLOR:"#AAA",NODE_SUBTEXT_SIZE:12,NODE_DEFAULT_COLOR:"#333",NODE_DEFAULT_BGCOLOR:"#353535",NODE_DEFAULT_BOXCOLOR:"#666",NODE_DEFAULT_SHAPE:"box",NODE_BOX_OUTLINE_COLOR:"#FFF",DEFAULT_SHADOW_COLOR:"rgba(0,0,0,0.5)",DEFAULT_GROUP_FONT:24,WIDGET_BGCOLOR:"#222",WIDGET_OUTLINE_COLOR:"#666",WIDGET_TEXT_COLOR:"#DDD",WIDGET_SECONDARY_TEXT_COLOR:"#999",LINK_COLOR:"#9A9",EVENT_LINK_COLOR:"#A86",CONNECTING_LINK_COLOR:"#AFA",MAX_NUMBER_OF_NODES:1E3,
DEFAULT_POSITION:[100,100],VALID_SHAPES:["default","box","round","card"],BOX_SHAPE:1,ROUND_SHAPE:2,CIRCLE_SHAPE:3,CARD_SHAPE:4,ARROW_SHAPE:5,INPUT:1,OUTPUT:2,EVENT:-1,ACTION:-1,ALWAYS:0,ON_EVENT:1,NEVER:2,ON_TRIGGER:3,UP:1,DOWN:2,LEFT:3,RIGHT:4,CENTER:5,STRAIGHT_LINK:0,LINEAR_LINK:1,SPLINE_LINK:2,NORMAL_TITLE:0,NO_TITLE:1,TRANSPARENT_TITLE:2,AUTOHIDE_TITLE:3,proxy:null,node_images_path:"",debug:!1,catch_exceptions:!0,throw_errors:!0,allow_scripts:!1,registered_node_types:{},node_types_by_file_extension:{},
Nodes:{},Globals:{},searchbox_extras:{},auto_sort_node_types:!1,registerNodeType:function(a,b){if(!b.prototype)throw"Cannot register a simple object, it must be a class with a prototype";b.type=a;g.debug&&console.log("Node registered: "+a);a.split("/");var c=b.name,d=a.lastIndexOf("/");b.category=a.substr(0,d);b.title||(b.title=c);if(b.prototype)for(var e in r.prototype)b.prototype[e]||(b.prototype[e]=r.prototype[e]);if(d=this.registered_node_types[a])console.log("replacing node type: "+a);else if(Object.hasOwnProperty(b.prototype,
"shape")||Object.defineProperty(b.prototype,"shape",{set:function(a){switch(a){case "default":delete this._shape;break;case "box":this._shape=g.BOX_SHAPE;break;case "round":this._shape=g.ROUND_SHAPE;break;case "circle":this._shape=g.CIRCLE_SHAPE;break;case "card":this._shape=g.CARD_SHAPE;break;default:this._shape=a}},get:function(a){return this._shape},enumerable:!0,configurable:!0}),b.prototype.onPropertyChange&&console.warn("LiteGraph node class "+a+" has onPropertyChange method, it must be called onPropertyChanged with d at the end"),
b.supported_extensions)for(e in b.supported_extensions){var f=b.supported_extensions[e];f&&f.constructor===String&&(this.node_types_by_file_extension[f.toLowerCase()]=b)}this.registered_node_types[a]=b;b.constructor.name&&(this.Nodes[c]=b);if(g.onNodeTypeRegistered)g.onNodeTypeRegistered(a,b);if(d&&g.onNodeTypeReplaced)g.onNodeTypeReplaced(a,b,d);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(e=0;e<b.supported_extensions.length;e++)(f=b.supported_extensions[e])&&f.constructor===String&&(this.node_types_by_file_extension[f.toLowerCase()]=b)},unregisterNodeType:function(a){var b=a.constructor===String?this.registered_node_types[a]:a;if(!b)throw"node type not found: "+a;delete this.registered_node_types[b.type];b.constructor.name&&delete this.Nodes[b.constructor.name]},wrapFunctionAsNode:function(a,b,c,d,e){for(var f=Array(b.length),h="",k=g.getParameterNames(b),
n=0;n<k.length;++n)h+="this.addInput('"+k[n]+"',"+(c&&c[n]?"'"+c[n]+"'":"0")+");\n";h+="this.addOutput('out',"+(d?"'"+d+"'":0)+");\n";e&&(h+="this.properties = "+JSON.stringify(e)+";\n");c=Function(h);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)},clearRegisteredTypes:function(){this.registered_node_types={};this.node_types_by_file_extension=
{};this.Nodes={};this.searchbox_extras={}},addNodeMethod:function(a,b){r.prototype[a]=b;for(var c in this.registered_node_types){var d=this.registered_node_types[c];d.prototype[a]&&(d.prototype["_"+a]=d.prototype[a]);d.prototype[a]=b}},createNode:function(a,b,c){var d=this.registered_node_types[a];if(!d)return g.debug&&console.log('GraphNode type "'+a+'" not registered.'),null;b=b||d.title||a;var e=null;if(g.catch_exceptions)try{e=new d(b)}catch(h){return console.error(h),null}else e=new d(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=g.DEFAULT_POSITION.concat());e.mode||(e.mode=g.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=[],d;for(d in this.registered_node_types){var e=this.registered_node_types[d];e.filter==b&&(""==a?null==e.category&&c.push(e):e.category==
a&&c.push(e))}this.auto_sort_node_types&&c.sort(function(a,b){return a.title.localeCompare(b.title)});return c},getNodeTypesCategories:function(a){var b={"":1},c;for(c in this.registered_node_types){var d=this.registered_node_types[c];d.category&&!d.skip_list&&d.filter==a&&(b[d.category]=1)}a=[];for(c in b)a.push(c);return this.auto_sort_node_types?a.sort():a},reloadNodes:function(a){for(var b=document.getElementsByTagName("script"),c=[],d=0;d<b.length;d++)c.push(b[d]);b=document.getElementsByTagName("head")[0];
a=document.location.href+a;for(d=0;d<c.length;d++){var e=c[d].src;if(e&&e.substr(0,a.length)==a)try{g.debug&&console.log("Reloading: "+e);var f=document.createElement("script");f.type="text/javascript";f.src=e;b.appendChild(f);b.removeChild(c[d])}catch(h){if(g.throw_errors)throw h;g.debug&&console.log("Error while reloading "+e)}}g.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==g.EVENT&&b==g.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 d=0;d<b.length;++d)if(a[c]==b[d])return!0;return!1},registerSearchboxExtra:function(a,b,c){this.searchbox_extras[b.toLowerCase()]={type:a,desc:b,data:c}},fetchFile:function(a,b,c,d){if(!a)return null;b=b||"text";if(a.constructor===String)return"http"==
a.substr(0,4)&&g.proxy&&(a=g.proxy+a.substr(a.indexOf(":")+3)),fetch(a).then(function(a){if(!a.ok)throw Error("File not found");if("arraybuffer"==b)return a.arrayBuffer();if("text"==b||"string"==b)return a.text();if("json"==b)return a.json();if("blob"==b)return a.blob()}).then(function(a){c&&c(a)}).catch(function(b){console.error("error fetching file:",a);d&&d(b)});if(a.constructor===File||a.constructor===Blob){var e=new FileReader;e.onload=function(a){a=a.target.result;"json"==b&&(a=JSON.parse(a));
c&&c(a)};if("arraybuffer"==b)return e.readAsArrayBuffer(a);if("text"==b||"json"==b)return e.readAsText(a);if("blob"==b)return e.readAsBinaryString(a)}return null}};g.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.001*a[0]+1E-6*a[1]}:function(){return(new Date).getTime()};p.LGraph=g.LGraph=t;t.supported_types=["number","string","boolean"];t.prototype.getSupportedTypes=
function(){return this.supported_types||t.supported_types};t.STATUS_STOPPED=1;t.STATUS_RUNNING=2;t.prototype.clear=function(){this.stop();this.status=t.STATUS_STOPPED;this.last_link_id=this.last_node_id=0;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.vars={};this.extra={};
this.fixedtime=this.runningtime=this.globaltime=0;this.elapsed_time=this.fixedtime_lapse=.01;this.starttime=this.last_update_time=0;this.catch_errors=!0;this.inputs={};this.outputs={};this.change();this.sendActionToCanvas("clear")};t.prototype.attachCanvas=function(a){if(a.constructor!=l)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)};t.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))}};t.prototype.start=function(a){if(this.status!=t.STATUS_RUNNING){this.status=t.STATUS_RUNNING;if(this.onPlayEvent)this.onPlayEvent();this.sendEventToAllNodes("onStart");this.last_update_time=this.starttime=g.getTime();a=a||0;var b=this;if(0==a&&"undefined"!=typeof window&&window.requestAnimationFrame){var c=function(){if(-1==b.execution_timer_id){window.requestAnimationFrame(c);
if(b.onBeforeStep)b.onBeforeStep();b.runStep(1,!b.catch_errors);if(b.onAfterStep)b.onAfterStep()}};this.execution_timer_id=-1;c()}else this.execution_timer_id=setInterval(function(){if(b.onBeforeStep)b.onBeforeStep();b.runStep(1,!b.catch_errors);if(b.onAfterStep)b.onAfterStep()},a)}};t.prototype.stop=function(){if(this.status!=t.STATUS_STOPPED){this.status=t.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")}};t.prototype.runStep=function(a,b,c){a=a||1;var d=g.getTime();this.globaltime=.001*(d-this.starttime);var e=this._nodes_executable?this._nodes_executable:this._nodes;if(e){c=c||e.length;if(b){for(var f=0;f<a;f++){for(var h=0;h<c;++h){var k=e[h];if(k.mode==g.ALWAYS&&k.onExecute)k.onExecute()}this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute()}else try{for(f=0;f<
a;f++){for(h=0;h<c;++h)if(k=e[h],k.mode==g.ALWAYS&&k.onExecute)k.onExecute();this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute();this.errors_in_execution=!1}catch(n){this.errors_in_execution=!0;if(g.throw_errors)throw n;g.debug&&console.log("Error during execution: "+n);this.stop()}a=g.getTime();d=a-d;0==d&&(d=1);this.execution_time=.001*d;this.globaltime+=.001*d;this.iteration+=1;this.elapsed_time=.001*(a-this.last_update_time);
this.last_update_time=a}};t.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])};t.prototype.computeExecutionOrder=function(a,b){for(var c=[],d=[],e={},f={},h={},k=0,n=this._nodes.length;k<n;++k){var u=this._nodes[k];if(!a||u.onExecute){e[u.id]=u;var q=0;if(u.inputs)for(var m=0,l=u.inputs.length;m<
l;m++)u.inputs[m]&&null!=u.inputs[m].link&&(q+=1);0==q?(d.push(u),b&&(u._level=1)):(b&&(u._level=0),h[u.id]=q)}}for(;0!=d.length;)if(u=d.shift(),c.push(u),delete e[u.id],u.outputs)for(k=0;k<u.outputs.length;k++)if(a=u.outputs[k],null!=a&&null!=a.links&&0!=a.links.length)for(m=0;m<a.links.length;m++)(n=this.links[a.links[m]])&&!f[n.id]&&(q=this.getNodeById(n.target_id),null==q?f[n.id]=!0:(b&&(!q._level||q._level<=u._level)&&(q._level=u._level+1),f[n.id]=!0,--h[q.id],0==h[q.id]&&d.push(q)));for(k in e)c.push(e[k]);
c.length!=this._nodes.length&&g.debug&&console.warn("something went wrong, nodes missing");n=c.length;for(k=0;k<n;++k)c[k].order=k;c=c.sort(function(a,b){var c=a.constructor.priority||a.priority||0,d=b.constructor.priority||b.priority||0;return c==d?a.order-b.order:c-d});for(k=0;k<n;++k)c[k].order=k;return c};t.prototype.getAncestors=function(a){for(var b=[],c=[a],d={};c.length;){var e=c.shift();if(e.inputs){d[e.id]||e==a||(d[e.id]=!0,b.push(e));for(var f=0;f<e.inputs.length;++f){var h=e.getInputNode(f);
h&&-1==b.indexOf(h)&&c.push(h)}}}b.sort(function(a,b){return a.order-b.order});return b};t.prototype.arrange=function(a){a=a||100;for(var b=this.computeExecutionOrder(!1,!0),c=[],d=0;d<b.length;++d){var e=b[d],f=e._level||1;c[f]||(c[f]=[]);c[f].push(e)}b=a;for(d=0;d<c.length;++d)if(f=c[d]){for(var h=100,k=a+g.NODE_TITLE_HEIGHT,n=0;n<f.length;++n)e=f[n],e.pos[0]=b,e.pos[1]=k,e.size[0]>h&&(h=e.size[0]),k+=e.size[1]+a+g.NODE_TITLE_HEIGHT;b+=h+a}this.setDirtyCanvas(!0,!0)};t.prototype.getTime=function(){return this.globaltime};
t.prototype.getFixedTime=function(){return this.fixedtime};t.prototype.getElapsedTime=function(){return this.elapsed_time};t.prototype.sendEventToAllNodes=function(a,b,c){c=c||g.ALWAYS;var d=this._nodes_in_order?this._nodes_in_order:this._nodes;if(d)for(var e=0,f=d.length;e<f;++e){var h=d[e];if(h.constructor===g.Subgraph&&"onExecute"!=a)h.mode==c&&h.sendEventToAllNodes(a,b,c);else if(h[a]&&h.mode==c)if(void 0===b)h[a]();else if(b&&b.constructor===Array)h[a].apply(h,b);else h[a](b)}};t.prototype.sendActionToCanvas=
function(a,b){if(this.list_of_graphcanvas)for(var c=0;c<this.list_of_graphcanvas.length;++c){var d=this.list_of_graphcanvas[c];d[a]&&d[a].apply(d,b)}};t.prototype.add=function(a,b){if(a)if(a.constructor===y)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>=g.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}};t.prototype.remove=function(a){if(a.constructor===g.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){this.beforeChange();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.sendActionToCanvas("checkPanels");this.setDirtyCanvas(!0,!0);this.afterChange();this.change();this.updateExecutionOrder()}};t.prototype.getNodeById=function(a){return null==a?null:this._nodes_by_id[a]};t.prototype.findNodesByClass=function(a,b){b=b||[];for(var c=b.length=
0,d=this._nodes.length;c<d;++c)this._nodes[c].constructor===a&&b.push(this._nodes[c]);return b};t.prototype.findNodesByType=function(a,b){a=a.toLowerCase();b=b||[];for(var c=b.length=0,d=this._nodes.length;c<d;++c)this._nodes[c].type.toLowerCase()==a&&b.push(this._nodes[c]);return b};t.prototype.findNodeByTitle=function(a){for(var b=0,c=this._nodes.length;b<c;++b)if(this._nodes[b].title==a)return this._nodes[b];return null};t.prototype.findNodesByTitle=function(a){for(var b=[],c=0,d=this._nodes.length;c<
d;++c)this._nodes[c].title==a&&b.push(this._nodes[c]);return b};t.prototype.getNodeOnPos=function(a,b,c,d){c=c||this._nodes;for(var e=c.length-1;0<=e;e--){var f=c[e];if(f.isPointInside(a,b,d))return f}return null};t.prototype.getGroupOnPos=function(a,b){for(var c=this._groups.length-1;0<=c;c--){var d=this._groups[c];if(d.isPointInside(a,b,2,!0))return d}return null};t.prototype.checkNodeTypes=function(){for(var a=0;a<this._nodes.length;a++){var b=this._nodes[a];if(b.constructor!=g.registered_node_types[b.type]){console.log("node being replaced by newer version: "+
b.type);var c=g.createNode(b.type);this._nodes[a]=c;c.configure(b.serialize());c.graph=this;this._nodes_by_id[c.id]=c;b.inputs&&(c.inputs=b.inputs.concat());b.outputs&&(c.outputs=b.outputs.concat())}}this.updateExecutionOrder()};t.prototype.onAction=function(a,b){this._input_nodes=this.findNodesByClass(g.GraphInput,this._input_nodes);for(var c=0;c<this._input_nodes.length;++c){var d=this._input_nodes[c];if(d.properties.name==a){d.onAction(a,b);break}}};t.prototype.trigger=function(a,b){if(this.onTrigger)this.onTrigger(a,
b)};t.prototype.addInput=function(a,b,c){if(!this.inputs[a]){this.beforeChange();this.inputs[a]={name:a,type:b,value:c};this._version++;this.afterChange();if(this.onInputAdded)this.onInputAdded(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()}};t.prototype.setInputData=function(a,b){if(a=this.inputs[a])a.value=b};t.prototype.getInputData=function(a){return(a=this.inputs[a])?a.value:null};t.prototype.renameInput=function(a,b){if(b!=a){if(!this.inputs[a])return!1;if(this.inputs[b])return console.error("there is already one input with that name"),
!1;this.inputs[b]=this.inputs[a];delete this.inputs[a];this._version++;if(this.onInputRenamed)this.onInputRenamed(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()}};t.prototype.changeInputType=function(a,b){if(!this.inputs[a])return!1;if(!this.inputs[a].type||String(this.inputs[a].type).toLowerCase()!=String(b).toLowerCase())if(this.inputs[a].type=b,this._version++,this.onInputTypeChanged)this.onInputTypeChanged(a,b)};t.prototype.removeInput=function(a){if(!this.inputs[a])return!1;
delete this.inputs[a];this._version++;if(this.onInputRemoved)this.onInputRemoved(a);if(this.onInputsOutputsChange)this.onInputsOutputsChange();return!0};t.prototype.addOutput=function(a,b,c){this.outputs[a]={name:a,type:b,value:c};this._version++;if(this.onOutputAdded)this.onOutputAdded(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()};t.prototype.setOutputData=function(a,b){if(a=this.outputs[a])a.value=b};t.prototype.getOutputData=function(a){return(a=this.outputs[a])?a.value:null};
t.prototype.renameOutput=function(a,b){if(!this.outputs[a])return!1;if(this.outputs[b])return console.error("there is already one output with that name"),!1;this.outputs[b]=this.outputs[a];delete this.outputs[a];this._version++;if(this.onOutputRenamed)this.onOutputRenamed(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()};t.prototype.changeOutputType=function(a,b){if(!this.outputs[a])return!1;if(!this.outputs[a].type||String(this.outputs[a].type).toLowerCase()!=String(b).toLowerCase())if(this.outputs[a].type=
b,this._version++,this.onOutputTypeChanged)this.onOutputTypeChanged(a,b)};t.prototype.removeOutput=function(a){if(!this.outputs[a])return!1;delete this.outputs[a];this._version++;if(this.onOutputRemoved)this.onOutputRemoved(a);if(this.onInputsOutputsChange)this.onInputsOutputsChange();return!0};t.prototype.triggerInput=function(a,b){a=this.findNodesByTitle(a);for(var c=0;c<a.length;++c)a[c].onTrigger(b)};t.prototype.setCallback=function(a,b){a=this.findNodesByTitle(a);for(var c=0;c<a.length;++c)a[c].setTrigger(b)};
t.prototype.beforeChange=function(a){if(this.onBeforeChange)this.onBeforeChange(this,a);this.sendActionToCanvas("onBeforeChange",this)};t.prototype.afterChange=function(a){if(this.onAfterChange)this.onAfterChange(this,a);this.sendActionToCanvas("onAfterChange",this)};t.prototype.connectionChange=function(a,b){this.updateExecutionOrder();if(this.onConnectionChange)this.onConnectionChange(a);this._version++;this.sendActionToCanvas("onConnectionChange")};t.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};t.prototype.clearTriggeredSlots=function(){for(var a in this.links){var b=this.links[a];b&&b._last_time&&(b._last_time=0)}};t.prototype.change=function(){g.debug&&console.log("Graph changed");this.sendActionToCanvas("setDirty",[!0,!0]);if(this.on_change)this.on_change(this)};t.prototype.setDirtyCanvas=function(a,b){this.sendActionToCanvas("setDirty",[a,b])};t.prototype.removeLink=function(a){if(a=
this.links[a]){var b=this.getNodeById(a.target_id);b&&b.disconnectInput(a.target_slot)}};t.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 d=this.links[b];if(!d.serialize){console.warn("weird LLink bug, link info is not a LLink but a regular object");var e=new w;for(f in d)e[f]=d[f];d=this.links[b]=e}c.push(d.serialize())}var f=[];for(b=0;b<this._groups.length;++b)f.push(this._groups[b].serialize());a={last_node_id:this.last_node_id,
last_link_id:this.last_link_id,nodes:a,links:c,groups:f,config:this.config,extra:this.extra,version:g.VERSION};if(this.onSerialize)this.onSerialize(a);return a};t.prototype.configure=function(a,b){if(a){b||this.clear();b=a.nodes;if(a.links&&a.links.constructor===Array){for(var c=[],d=0;d<a.links.length;++d){var e=a.links[d];if(e){var f=new w;f.configure(e);c[f.id]=f}else console.warn("serialized graph link data contains errors, skipping.")}a.links=c}for(d in a)"nodes"!=d&&"groups"!=d&&(this[d]=a[d]);
c=!1;this._nodes=[];if(b){d=0;for(e=b.length;d<e;++d){f=b[d];var h=g.createNode(f.type,f.title);h||(g.debug&&console.log("Node not found or has errors: "+f.type),h=new r,h.last_serialization=f,c=h.has_errors=!0);h.id=f.id;this.add(h,!0)}d=0;for(e=b.length;d<e;++d)f=b[d],(h=this.getNodeById(f.id))&&h.configure(f)}this._groups.length=0;if(a.groups)for(d=0;d<a.groups.length;++d)b=new g.LGraphGroup,b.configure(a.groups[d]),this.add(b);this.updateExecutionOrder();this.extra=a.extra||{};if(this.onConfigure)this.onConfigure(a);
this._version++;this.setDirtyCanvas(!0,!0);return c}};t.prototype.load=function(a,b){var c=this;if(a.constructor===File||a.constructor===Blob){var d=new FileReader;d.addEventListener("load",function(a){a=JSON.parse(a.target.result);c.configure(a);b&&b()});d.readAsText(a)}else{var e=new XMLHttpRequest;e.open("GET",a,!0);e.send(null);e.onload=function(a){200!==e.status?console.error("Error loading graph:",e.status,e.response):(a=JSON.parse(e.response),c.configure(a),b&&b())};e.onerror=function(a){console.error("Error loading graph:",
a)}}};t.prototype.onNodeTrace=function(a,b,c){};w.prototype.configure=function(a){a.constructor===Array?(this.id=a[0],this.origin_id=a[1],this.origin_slot=a[2],this.target_id=a[3],this.target_slot=a[4],this.type=a[5]):(this.id=a.id,this.type=a.type,this.origin_id=a.origin_id,this.origin_slot=a.origin_slot,this.target_id=a.target_id,this.target_slot=a.target_slot)};w.prototype.serialize=function(){return[this.id,this.origin_id,this.origin_slot,this.target_id,this.target_slot,this.type]};g.LLink=w;
p.LGraphNode=g.LGraphNode=r;r.prototype._ctor=function(a){this.title=a||"Unnamed";this.size=[g.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={}};r.prototype.configure=function(a){this.graph&&this.graph._version++;
for(var b in a)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]=g.cloneObject(a[b],this[b]):this[b]=a[b]);a.title||(this.title=this.constructor.title);if(this.onConnectionsChange){if(this.inputs)for(c=0;c<this.inputs.length;++c){b=this.inputs[c];var d=this.graph?this.graph.links[b.link]:null;this.onConnectionsChange(g.INPUT,
c,!0,d,b)}if(this.outputs)for(c=0;c<this.outputs.length;++c){var e=this.outputs[c];if(e.links)for(b=0;b<e.links.length;++b)d=this.graph?this.graph.links[e.links[b]]:null,this.onConnectionsChange(g.OUTPUT,c,!0,d,e)}}if(this.widgets){for(c=0;c<this.widgets.length;++c)(b=this.widgets[c])&&b.options&&b.options.property&&this.properties[b.options.property]&&(b.value=JSON.parse(JSON.stringify(this.properties[b.options.property])));if(a.widgets_values)for(c=0;c<a.widgets_values.length;++c)this.widgets[c]&&
(this.widgets[c].value=a.widgets_values[c])}if(this.onConfigure)this.onConfigure(a)};r.prototype.serialize=function(){var a={id:this.id,type:this.type,pos:this.pos,size:this.size,flags:g.cloneObject(this.flags),order:this.order,mode:this.mode};if(this.constructor===r&&this.last_serialization)return this.last_serialization;this.inputs&&(a.inputs=this.inputs);if(this.outputs){for(var b=0;b<this.outputs.length;b++)delete this.outputs[b]._data;a.outputs=this.outputs}this.title&&this.title!=this.constructor.title&&
(a.title=this.title);this.properties&&(a.properties=g.cloneObject(this.properties));if(this.widgets&&this.serialize_widgets)for(a.widgets_values=[],b=0;b<this.widgets.length;++b)a.widgets_values[b]=this.widgets[b]?this.widgets[b].value:null;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};r.prototype.clone=function(){var a=g.createNode(this.type);if(!a)return null;var b=g.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};r.prototype.toString=function(){return JSON.stringify(this.serialize())};r.prototype.getTitle=function(){return this.title||this.constructor.title};r.prototype.setProperty=function(a,
b){this.properties||(this.properties={});if(b!==this.properties[a]){var c=this.properties[a];this.properties[a]=b;this.onPropertyChanged&&!1===this.onPropertyChanged(a,b,c)&&(this.properties[a]=c);if(this.widgets)for(c=0;c<this.widgets.length;++c){var d=this.widgets[c];if(d&&d.options.property==a){d.value=b;break}}}};r.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++){var d=
this.graph.links[this.outputs[a].links[c]];d&&(d.data=b)}}};r.prototype.setOutputDataType=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var c=this.outputs[a];if(c&&(c.type=b,this.outputs[a].links))for(c=0;c<this.outputs[a].links.length;c++)this.graph.links[this.outputs[a].links[c]].type=b}};r.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}};r.prototype.getInputDataType=function(a){if(!this.inputs||a>=this.inputs.length||null==this.inputs[a].link)return null;a=this.graph.links[this.inputs[a].link];if(!a)return null;var b=this.graph.getNodeById(a.origin_id);return b?(a=b.outputs[a.origin_slot])?a.type:null:a.type};r.prototype.getInputDataByName=function(a,b){a=this.findInputSlot(a);return-1==a?null:this.getInputData(a,
b)};r.prototype.isInputConnected=function(a){return this.inputs?a<this.inputs.length&&null!=this.inputs[a].link:!1};r.prototype.getInputInfo=function(a){return this.inputs?a<this.inputs.length?this.inputs[a]:null:null};r.prototype.getInputLink=function(a){return this.inputs?a<this.inputs.length?this.graph.links[this.inputs[a].link]:null:null};r.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};r.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 d=this.inputs[b];if(a==d.name&&null!=d.link&&(d=this.graph.links[d.link]))return d.data}return this.properties[a]};r.prototype.getOutputData=function(a){return!this.outputs||a>=this.outputs.length?null:this.outputs[a]._data};r.prototype.getOutputInfo=function(a){return this.outputs?
a<this.outputs.length?this.outputs[a]:null:null};r.prototype.isOutputConnected=function(a){return this.outputs?a<this.outputs.length&&this.outputs[a].links&&this.outputs[a].links.length:!1};r.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};r.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 d=this.graph.links[a.links[c]];d&&(d=this.graph.getNodeById(d.target_id))&&b.push(d)}return b};r.prototype.trigger=function(a,b){if(this.outputs&&this.outputs.length){this.graph&&(this.graph._last_trigger_time=g.getTime());for(var c=0;c<this.outputs.length;++c){var d=this.outputs[c];!d||d.type!==g.EVENT||a&&d.name!=a||this.triggerSlot(c,b)}}};r.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=g.getTime());for(var d=0;d<a.length;++d){var e=a[d];if(null==c||c==e){var f=this.graph.links[a[d]];if(f&&(f._last_time=g.getTime(),e=this.graph.getNodeById(f.target_id)))if(f=e.inputs[f.target_slot],e.mode===g.ON_TRIGGER){if(e.onExecute)e.onExecute(b)}else if(e.onAction)e.onAction(f.name,b)}}}};r.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 d=
a[c];if(null==b||b==d)if(d=this.graph.links[a[c]])d._last_time=0}};r.prototype.setSize=function(a){this.size=a;if(this.onResize)this.onResize(this.size)};r.prototype.addProperty=function(a,b,c,d){c={name:a,type:c,default_value:b};if(d)for(var e in d)c[e]=d[e];this.properties_info||(this.properties_info=[]);this.properties_info.push(c);this.properties||(this.properties={});this.properties[a]=b;return c};r.prototype.addOutput=function(a,b,c){a={name:a,type:b,links:null};if(c)for(var d in c)a[d]=c[d];
this.outputs||(this.outputs=[]);this.outputs.push(a);if(this.onOutputAdded)this.onOutputAdded(a);this.setSize(this.computeSize());this.setDirtyCanvas(!0,!0);return a};r.prototype.addOutputs=function(a){for(var b=0;b<a.length;++b){var c=a[b],d={name:c[0],type:c[1],link:null};if(a[2])for(var e in c[2])d[e]=c[2][e];this.outputs||(this.outputs=[]);this.outputs.push(d);if(this.onOutputAdded)this.onOutputAdded(d)}this.setSize(this.computeSize());this.setDirtyCanvas(!0,!0)};r.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,d=0;d<c.length;++d){var e=this.graph.links[c[d]];e&&--e.origin_slot}this.setSize(this.computeSize());if(this.onOutputRemoved)this.onOutputRemoved(a);this.setDirtyCanvas(!0,!0)};r.prototype.addInput=function(a,b,c){a={name:a,type:b||0,link:null};if(c)for(var d in c)a[d]=c[d];this.inputs||(this.inputs=[]);this.inputs.push(a);this.setSize(this.computeSize());if(this.onInputAdded)this.onInputAdded(a);
this.setDirtyCanvas(!0,!0);return a};r.prototype.addInputs=function(a){for(var b=0;b<a.length;++b){var c=a[b],d={name:c[0],type:c[1],link:null};if(a[2])for(var e in c[2])d[e]=c[2][e];this.inputs||(this.inputs=[]);this.inputs.push(d);if(this.onInputAdded)this.onInputAdded(d)}this.setSize(this.computeSize());this.setDirtyCanvas(!0,!0)};r.prototype.removeInput=function(a){this.disconnectInput(a);for(var b=this.inputs.splice(a,1),c=a;c<this.inputs.length;++c)if(this.inputs[c]){var d=this.graph.links[this.inputs[c].link];
d&&--d.target_slot}this.setSize(this.computeSize());if(this.onInputRemoved)this.onInputRemoved(a,b[0]);this.setDirtyCanvas(!0,!0)};r.prototype.addConnection=function(a,b,c,d){a={name:a,type:b,pos:c,direction:d,links:null};this.connections.push(a);return a};r.prototype.computeSize=function(a){function b(a){return a?d*a.length*.6:0}if(this.constructor.size)return this.constructor.size.concat();var c=Math.max(this.inputs?this.inputs.length:1,this.outputs?this.outputs.length:1);a=a||new Float32Array([0,
0]);c=Math.max(c,1);var d=g.NODE_TEXT_SIZE,e=b(this.title),f=0,h=0;if(this.inputs)for(var k=0,n=this.inputs.length;k<n;++k){var u=this.inputs[k];u=u.label||u.name||"";u=b(u);f<u&&(f=u)}if(this.outputs)for(k=0,n=this.outputs.length;k<n;++k)u=this.outputs[k],u=u.label||u.name||"",u=b(u),h<u&&(h=u);a[0]=Math.max(f+h+10,e);a[0]=Math.max(a[0],g.NODE_WIDTH);this.widgets&&this.widgets.length&&(a[0]=Math.max(a[0],1.5*g.NODE_WIDTH));a[1]=(this.constructor.slot_start_y||0)+c*g.NODE_SLOT_HEIGHT;c=0;if(this.widgets&&
this.widgets.length){k=0;for(n=this.widgets.length;k<n;++k)c=this.widgets[k].computeSize?c+(this.widgets[k].computeSize(a[0])[1]+4):c+(g.NODE_WIDGET_HEIGHT+4);c+=8}a[1]=this.widgets_up?Math.max(a[1],c):null!=this.widgets_start_y?Math.max(a[1],c+this.widgets_start_y):a[1]+c;this.constructor.min_height&&a[1]<this.constructor.min_height&&(a[1]=this.constructor.min_height);a[1]+=6;return a};r.prototype.getPropertyInfo=function(a){var b=null;if(this.properties_info)for(var c=0;c<this.properties_info.length;++c)if(this.properties_info[c].name==
a){b=this.properties_info[c];break}this.constructor["@"+a]&&(b=this.constructor["@"+a]);this.constructor.widgets_info&&this.constructor.widgets_info[a]&&(b=this.constructor.widgets_info[a]);!b&&this.onGetPropertyInfo&&(b=this.onGetPropertyInfo(a));b||(b={});b.type||(b.type=typeof this.properties[a]);"combo"==b.widget&&(b.type="enum");return b};r.prototype.addWidget=function(a,b,c,d,e){this.widgets||(this.widgets=[]);!e&&d&&d.constructor===Object&&(e=d,d=null);e&&e.constructor===String&&(e={property:e});
d&&d.constructor===String&&(e||(e={}),e.property=d,d=null);d&&d.constructor!==Function&&(console.warn("addWidget: callback must be a function"),d=null);b={type:a.toLowerCase(),name:b,value:c,callback:d,options:e||{}};void 0!==b.options.y&&(b.y=b.options.y);d||b.options.callback||b.options.property||console.warn("LiteGraph addWidget(...) without a callback or property assigned");if("combo"==a&&!b.options.values)throw"LiteGraph addWidget('combo',...) requires to pass values in options: { values:['red','blue'] }";
this.widgets.push(b);this.setSize(this.computeSize());return b};r.prototype.addCustomWidget=function(a){this.widgets||(this.widgets=[]);this.widgets.push(a);return a};r.prototype.getBounding=function(a){a=a||new Float32Array(4);a[0]=this.pos[0]-4;a[1]=this.pos[1]-g.NODE_TITLE_HEIGHT;a[2]=this.size[0]+4;a[3]=this.flags.collapsed?g.NODE_TITLE_HEIGHT:this.size[1]+g.NODE_TITLE_HEIGHT;if(this.onBounding)this.onBounding(a);return a};r.prototype.isPointInside=function(a,b,c,d){c=c||0;var e=this.graph&&this.graph.isLive()?
0:g.NODE_TITLE_HEIGHT;d&&(e=0);if(this.flags&&this.flags.collapsed){if(C(a,b,this.pos[0]-c,this.pos[1]-g.NODE_TITLE_HEIGHT-c,(this._collapsed_width||g.NODE_COLLAPSED_WIDTH)+2*c,g.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]-e-c<b&&this.pos[1]+this.size[1]+c>b)return!0;return!1};r.prototype.getSlotInPosition=function(a,b){var c=new Float32Array(2);if(this.inputs)for(var d=0,e=this.inputs.length;d<e;++d){var f=this.inputs[d];this.getConnectionPos(!0,
d,c);if(C(a,b,c[0]-10,c[1]-5,20,10))return{input:f,slot:d,link_pos:c}}if(this.outputs)for(d=0,e=this.outputs.length;d<e;++d)if(f=this.outputs[d],this.getConnectionPos(!1,d,c),C(a,b,c[0]-10,c[1]-5,20,10))return{output:f,slot:d,link_pos:c};return null};r.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};r.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};r.prototype.connect=function(a,b,c){c=c||0;if(!this.graph)return console.log("Connect: Error, node doesn't belong to any graph. Nodes must be added first to a graph before connecting them."),null;if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return g.debug&&console.log("Connect: Error, no slot of name "+a),null}else if(!this.outputs||a>=this.outputs.length)return g.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 g.debug&&console.log("Connect: Error, no slot of name "+c),null}else{if(c===g.EVENT)return null;if(!b.inputs||c>=b.inputs.length)return g.debug&&console.log("Connect: Error, slot number not found"),null}var d=!1;null!=b.inputs[c].link&&(this.graph.beforeChange(),b.disconnectInput(c),d=!0);var e=this.outputs[a];if(b.onConnectInput&&
!1===b.onConnectInput(c,e.type,e,this,a))return null;var f=b.inputs[c],h=null;if(!g.isValidConnection(e.type,f.type))return this.setDirtyCanvas(!1,!0),d&&this.graph.connectionChange(this,h),null;d||this.graph.beforeChange();h=new w(++this.graph.last_link_id,f.type,this.id,a,b.id,c);this.graph.links[h.id]=h;null==e.links&&(e.links=[]);e.links.push(h.id);b.inputs[c].link=h.id;this.graph&&this.graph._version++;if(this.onConnectionsChange)this.onConnectionsChange(g.OUTPUT,a,!0,h,e);if(b.onConnectionsChange)b.onConnectionsChange(g.INPUT,
c,!0,h,f);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(g.INPUT,b,c,this,a),this.graph.onNodeConnectionChange(g.OUTPUT,this,a,b,c));this.setDirtyCanvas(!1,!0);this.graph.afterChange();this.graph.connectionChange(this,h);return h};r.prototype.disconnectOutput=function(a,b){if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return g.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.outputs||a>=this.outputs.length)return g.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 d=0,e=c.links.length;d<e;d++){var f=c.links[d],h=this.graph.links[f];if(h.target_id==b.id){c.links.splice(d,1);var k=b.inputs[h.target_slot];k.link=null;delete this.graph.links[f];this.graph&&this.graph._version++;if(b.onConnectionsChange)b.onConnectionsChange(g.INPUT,h.target_slot,
!1,h,k);if(this.onConnectionsChange)this.onConnectionsChange(g.OUTPUT,a,!1,h,c);if(this.graph&&this.graph.onNodeConnectionChange)this.graph.onNodeConnectionChange(g.OUTPUT,this,a);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(g.OUTPUT,this,a),this.graph.onNodeConnectionChange(g.INPUT,b,h.target_slot));break}}}else{d=0;for(e=c.links.length;d<e;d++)if(f=c.links[d],h=this.graph.links[f]){b=this.graph.getNodeById(h.target_id);this.graph&&this.graph._version++;if(b){k=
b.inputs[h.target_slot];k.link=null;if(b.onConnectionsChange)b.onConnectionsChange(g.INPUT,h.target_slot,!1,h,k);if(this.graph&&this.graph.onNodeConnectionChange)this.graph.onNodeConnectionChange(g.INPUT,b,h.target_slot)}delete this.graph.links[f];if(this.onConnectionsChange)this.onConnectionsChange(g.OUTPUT,a,!1,h,c);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(g.OUTPUT,this,a),this.graph.onNodeConnectionChange(g.INPUT,b,h.target_slot))}c.links=null}this.setDirtyCanvas(!1,
!0);this.graph.connectionChange(this);return!0};r.prototype.disconnectInput=function(a){if(a.constructor===String){if(a=this.findInputSlot(a),-1==a)return g.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.inputs||a>=this.inputs.length)return g.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;if(null!=c){this.inputs[a].link=null;var d=this.graph.links[c];if(d){var e=this.graph.getNodeById(d.origin_id);
if(!e)return!1;var f=e.outputs[d.origin_slot];if(!f||!f.links||0==f.links.length)return!1;for(var h=0,k=f.links.length;h<k;h++)if(f.links[h]==c){f.links.splice(h,1);break}delete this.graph.links[c];this.graph&&this.graph._version++;if(this.onConnectionsChange)this.onConnectionsChange(g.INPUT,a,!1,d,b);if(e.onConnectionsChange)e.onConnectionsChange(g.OUTPUT,h,!1,d,f);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(g.OUTPUT,e,h),this.graph.onNodeConnectionChange(g.INPUT,
this,a))}}this.setDirtyCanvas(!1,!0);this.graph&&this.graph.connectionChange(this);return!0};r.prototype.getConnectionPos=function(a,b,c){c=c||new Float32Array(2);var d=0;a&&this.inputs&&(d=this.inputs.length);!a&&this.outputs&&(d=this.outputs.length);var e=.5*g.NODE_SLOT_HEIGHT;if(this.flags.collapsed)return b=this._collapsed_width||g.NODE_COLLAPSED_WIDTH,this.horizontal?(c[0]=this.pos[0]+.5*b,c[1]=a?this.pos[1]-g.NODE_TITLE_HEIGHT:this.pos[1]):(c[0]=a?this.pos[0]:this.pos[0]+b,c[1]=this.pos[1]-
.5*g.NODE_TITLE_HEIGHT),c;if(a&&-1==b)return c[0]=this.pos[0]+.5*g.NODE_TITLE_HEIGHT,c[1]=this.pos[1]+.5*g.NODE_TITLE_HEIGHT,c;if(a&&d>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&&d>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.horizontal)return c[0]=this.pos[0]+this.size[0]/d*(b+.5),c[1]=a?this.pos[1]-g.NODE_TITLE_HEIGHT:this.pos[1]+this.size[1],c;c[0]=
a?this.pos[0]+e:this.pos[0]+this.size[0]+1-e;c[1]=this.pos[1]+(b+.7)*g.NODE_SLOT_HEIGHT+(this.constructor.slot_start_y||0);return c};r.prototype.alignToGrid=function(){this.pos[0]=g.CANVAS_GRID_SIZE*Math.round(this.pos[0]/g.CANVAS_GRID_SIZE);this.pos[1]=g.CANVAS_GRID_SIZE*Math.round(this.pos[1]/g.CANVAS_GRID_SIZE)};r.prototype.trace=function(a){this.console||(this.console=[]);this.console.push(a);this.console.length>r.MAX_CONSOLE&&this.console.shift();if(this.graph.onNodeTrace)this.graph.onNodeTrace(this,
a)};r.prototype.setDirtyCanvas=function(a,b){this.graph&&this.graph.sendActionToCanvas("setDirty",[a,b])};r.prototype.loadImage=function(a){var b=new Image;b.src=g.node_images_path+a;b.ready=!1;var c=this;b.onload=function(){this.ready=!0;c.setDirtyCanvas(!0)};return b};r.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 d=b[c];if(a||d.node_capturing_input==this)d.node_capturing_input=a?this:null}};r.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)};r.prototype.pin=function(a){this.graph._version++;this.flags.pinned=void 0===a?!this.flags.pinned:a};r.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]]};p.LGraphGroup=g.LGraphGroup=y;y.prototype._ctor=function(a){this.title=a||"Group";this.font_size=24;this.color=l.node_colors.pale_blue?
l.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})};y.prototype.configure=function(a){this.title=a.title;this._bounding.set(a.bounding);this.color=a.color;this.font=a.font};y.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}};y.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 d=this._nodes[c];d.pos[0]+=a;d.pos[1]+=b}};y.prototype.recomputeInsideNodes=
function(){this._nodes.length=0;for(var a=this.graph._nodes,b=new Float32Array(4),c=0;c<a.length;++c){var d=a[c];d.getBounding(b);H(this._bounding,b)&&this._nodes.push(d)}};y.prototype.isPointInside=r.prototype.isPointInside;y.prototype.setDirtyCanvas=r.prototype.setDirtyCanvas;g.DragAndScale=z;z.prototype.bindEvents=function(a){this.last_mouse=new Float32Array(2);this._binded_mouse_callback=this.onMouse.bind(this);a.addEventListener("mousedown",this._binded_mouse_callback);a.addEventListener("mousemove",
this._binded_mouse_callback);a.addEventListener("mousewheel",this._binded_mouse_callback,!1);a.addEventListener("wheel",this._binded_mouse_callback,!1)};z.prototype.computeVisibleArea=function(a){if(this.element){var b=this.element.width,c=this.element.height,d=-this.offset[0],e=-this.offset[1];a&&(d+=a[0]/this.scale,e+=a[1]/this.scale,b=a[2],c=a[3]);a=d+b/this.scale;c=e+c/this.scale;this.visible_area[0]=d;this.visible_area[1]=e;this.visible_area[2]=a-d;this.visible_area[3]=c-e}else this.visible_area[0]=
this.visible_area[1]=this.visible_area[2]=this.visible_area[3]=0};z.prototype.onMouse=function(a){if(this.enabled){var b=this.element,c=b.getBoundingClientRect(),d=a.clientX-c.left;c=a.clientY-c.top;a.canvasx=d;a.canvasy=c;a.dragging=this.dragging;var e=!this.viewport||this.viewport&&d>=this.viewport[0]&&d<this.viewport[0]+this.viewport[2]&&c>=this.viewport[1]&&c<this.viewport[1]+this.viewport[3],f=!1;this.onmouse&&(f=this.onmouse(a));"mousedown"==a.type&&e?(this.dragging=!0,b.removeEventListener("mousemove",
this._binded_mouse_callback),document.body.addEventListener("mousemove",this._binded_mouse_callback),document.body.addEventListener("mouseup",this._binded_mouse_callback)):"mousemove"==a.type?f||(b=d-this.last_mouse[0],f=c-this.last_mouse[1],this.dragging&&this.mouseDrag(b,f)):"mouseup"==a.type?(this.dragging=!1,document.body.removeEventListener("mousemove",this._binded_mouse_callback),document.body.removeEventListener("mouseup",this._binded_mouse_callback),b.addEventListener("mousemove",this._binded_mouse_callback)):
!e||"mousewheel"!=a.type&&"wheel"!=a.type&&"DOMMouseScroll"!=a.type||(a.eventType="mousewheel",a.wheel="wheel"==a.type?-a.deltaY:null!=a.wheelDeltaY?a.wheelDeltaY:-60*a.detail,a.delta=a.wheelDelta?a.wheelDelta/40:a.deltaY?-a.deltaY/3:0,this.changeDeltaScale(1+.05*a.delta));this.last_mouse[0]=d;this.last_mouse[1]=c;if(e)return a.preventDefault(),a.stopPropagation(),!1}};z.prototype.toCanvasContext=function(a){a.scale(this.scale,this.scale);a.translate(this.offset[0],this.offset[1])};z.prototype.convertOffsetToCanvas=
function(a){return[(a[0]+this.offset[0])*this.scale,(a[1]+this.offset[1])*this.scale]};z.prototype.convertCanvasToOffset=function(a,b){b=b||[0,0];b[0]=a[0]/this.scale-this.offset[0];b[1]=a[1]/this.scale-this.offset[1];return b};z.prototype.mouseDrag=function(a,b){this.offset[0]+=a/this.scale;this.offset[1]+=b/this.scale;if(this.onredraw)this.onredraw(this)};z.prototype.changeScale=function(a,b){a<this.min_scale?a=this.min_scale:a>this.max_scale&&(a=this.max_scale);if(a!=this.scale&&this.element){var c=
this.element.getBoundingClientRect();if(c&&(b=b||[.5*c.width,.5*c.height],c=this.convertCanvasToOffset(b),this.scale=a,.01>Math.abs(this.scale-1)&&(this.scale=1),a=this.convertCanvasToOffset(b),a=[a[0]-c[0],a[1]-c[1]],this.offset[0]+=a[0],this.offset[1]+=a[1],this.onredraw))this.onredraw(this)}};z.prototype.changeDeltaScale=function(a,b){this.changeScale(this.scale*a,b)};z.prototype.reset=function(){this.scale=1;this.offset[0]=0;this.offset[1]=0};p.LGraphCanvas=g.LGraphCanvas=l;l.DEFAULT_BACKGROUND_IMAGE=
"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII=";l.link_type_colors=
{"-1":g.EVENT_LINK_COLOR,number:"#AAA",node:"#DCA"};l.gradients={};l.prototype.clear=function(){this.fps=this.render_time=this.last_draw_time=this.frame=0;this.dragging_rectangle=null;this.selected_nodes={};this.selected_group=null;this.visible_nodes=[];this.connecting_node=this.node_capturing_input=this.node_over=this.node_dragged=null;this.highlighted_links={};this.dragging_canvas=!1;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()};l.prototype.setGraph=function(a,b){this.graph!=a&&(b||this.clear(),!a&&this.graph?this.graph.detachCanvas(this):(a.attachCanvas(this),this._graph_stack&&(this._graph_stack=null),this.setDirty(!0,!0)))};l.prototype.getTopGraph=function(){return this._graph_stack.length?this._graph_stack[0]:this.graph};l.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.checkPanels();this.setDirty(!0,!0)};l.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]));this.ds.offset=[0,0];this.ds.scale=1}};l.prototype.getCurrentGraph=
function(){return this.graph};l.prototype.setCanvas=function(a,b){if(a&&a.constructor===String&&(a=document.getElementById(a),!a))throw"Error creating LiteGraph canvas: Canvas not found";if(a!==this.canvas&&(!a&&this.canvas&&(b||this.unbindEvents()),this.canvas=a,this.ds.element=a)){a.className+=" lgraphcanvas";a.data=this;a.tabindex="1";this.bgcanvas=null;this.bgcanvas||(this.bgcanvas=document.createElement("canvas"),this.bgcanvas.width=this.canvas.width,this.bgcanvas.height=this.canvas.height);
if(null==a.getContext){if("canvas"!=a.localName)throw"Element supplied for LGraphCanvas must be a <canvas> element, you passed a "+a.localName;throw"This browser doesn't support Canvas";}null==(this.ctx=a.getContext("2d"))&&(a.webgl_enabled||console.warn("This canvas seems to be WebGL, enabling WebGL renderer"),this.enableWebGL());this._mousemove_callback=this.processMouseMove.bind(this);this._mouseup_callback=this.processMouseUp.bind(this);b||this.bindEvents()}};l.prototype._doNothing=function(a){a.preventDefault();
return!1};l.prototype._doReturnTrue=function(a){a.preventDefault();return!0};l.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);this._touch_callback=this.touchHandler.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._touch_callback,!0);a.addEventListener("touchmove",this._touch_callback,!0);a.addEventListener("touchend",this._touch_callback,!0);a.addEventListener("touchcancel",this._touch_callback,!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}};l.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._touch_callback);
this.canvas.removeEventListener("touchmove",this._touch_callback);this.canvas.removeEventListener("touchend",this._touch_callback);this.canvas.removeEventListener("touchcancel",this._touch_callback);this._ondrop_callback=this._key_callback=this._mousewheel_callback=this._mousedown_callback=null;this._events_binded=!1}else console.warn("LGraphCanvas: no events binded")};l.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()};
l.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};l.prototype.setDirty=function(a,b){a&&(this.dirty_canvas=!0);b&&(this.dirty_bgcanvas=!0)};l.prototype.getCanvasWindow=function(){if(!this.canvas)return window;var a=this.canvas.ownerDocument;return a.defaultView||a.parentWindow};l.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))};l.prototype.stopRendering=function(){this.is_rendering=!1};l.prototype.blockClick=function(){this.block_click=!0;this.last_mouseclick=0};l.prototype.processMouseDown=function(a){this.set_canvas_dirty_on_mouse_event&&(this.dirty_canvas=!0);if(this.graph){this.adjustMouseEvent(a);var b=this.getCanvasWindow();l.active_canvas=this;var c=this,d=a.localX,e=a.localY;this.ds.viewport=this.viewport;
d=!this.viewport||this.viewport&&d>=this.viewport[0]&&d<this.viewport[0]+this.viewport[2]&&e>=this.viewport[1]&&e<this.viewport[1]+this.viewport[3];this.options.skip_events||(this.canvas.removeEventListener("mousemove",this._mousemove_callback),b.document.addEventListener("mousemove",this._mousemove_callback,!0),b.document.addEventListener("mouseup",this._mouseup_callback,!0));if(d){var f=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes,5);e=!1;d=300>g.getTime()-this.last_mouseclick;
this.mouse[0]=a.localX;this.mouse[1]=a.localY;this.graph_mouse[0]=a.canvasX;this.graph_mouse[1]=a.canvasY;this.last_click_position=[this.mouse[0],this.mouse[1]];this.canvas.focus();g.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 h=!1;if(f&&this.allow_interaction&&!e&&!this.read_only){this.live_mode||
f.flags.pinned||this.bringToFront(f);if(!this.connecting_node&&!f.flags.collapsed&&!this.live_mode)if(!e&&!1!==f.resizable&&C(a.canvasX,a.canvasY,f.pos[0]+f.size[0]-5,f.pos[1]+f.size[1]-5,10,10))this.graph.beforeChange(),this.resizing_node=f,this.canvas.style.cursor="se-resize",e=!0;else{if(f.outputs)for(var k=0,n=f.outputs.length;k<n;++k){var u=f.outputs[k],q=f.getConnectionPos(!1,k);if(C(a.canvasX,a.canvasY,q[0]-15,q[1]-10,30,20)){this.connecting_node=f;this.connecting_output=u;this.connecting_pos=
f.getConnectionPos(!1,k);this.connecting_slot=k;a.shiftKey&&f.disconnectOutput(k);if(d){if(f.onOutputDblClick)f.onOutputDblClick(k,a)}else if(f.onOutputClick)f.onOutputClick(k,a);e=!0;break}}if(f.inputs)for(k=0,n=f.inputs.length;k<n;++k)if(u=f.inputs[k],q=f.getConnectionPos(!0,k),C(a.canvasX,a.canvasY,q[0]-15,q[1]-10,30,20)){if(d){if(f.onInputDblClick)f.onInputDblClick(k,a)}else if(f.onInputClick)f.onInputClick(k,a);if(null!==u.link){e=this.graph.links[u.link];f.disconnectInput(k);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}}}if(!e){k=!1;n=[a.canvasX-f.pos[0],a.canvasY-f.pos[1]];if(q=this.processNodeWidgets(f,this.graph_mouse,a))k=!0,this.node_widget=[f,q];if(d&&this.selected_nodes[f.id]){if(f.onDblClick)f.onDblClick(a,n,this);this.processNodeDblClicked(f);
k=!0}f.onMouseDown&&f.onMouseDown(a,n,this)?k=!0:(f.subgraph&&!f.skip_subgraph_button&&!f.flags.collapsed&&n[0]>f.size[0]-g.NODE_TITLE_HEIGHT&&0>n[1]&&(c=this,setTimeout(function(){c.openSubgraph(f.subgraph)},10)),this.live_mode&&(k=h=!0));k||(this.allow_dragnodes&&(this.graph.beforeChange(),this.node_dragged=f),this.selected_nodes[f.id]||this.processNodeSelected(f,a));this.dirty_canvas=!0}}else{if(!this.read_only)for(k=0;k<this.visible_links.length;++k)if(h=this.visible_links[k],n=h._pos,!(!n||a.canvasX<
n[0]-4||a.canvasX>n[0]+4||a.canvasY<n[1]-4||a.canvasY>n[1]+4)){this.showLinkMenu(h,a);this.over_link_center=null;break}this.selected_group=this.graph.getGroupOnPos(a.canvasX,a.canvasY);this.selected_group_resizing=!1;this.selected_group&&!this.read_only&&(a.ctrlKey&&(this.dragging_rectangle=null),10>J([a.canvasX,a.canvasY],[this.selected_group.pos[0]+this.selected_group.size[0],this.selected_group.pos[1]+this.selected_group.size[1]])*this.ds.scale?this.selected_group_resizing=!0:this.selected_group.recomputeInsideNodes());
d&&!this.read_only&&this.allow_searchbox&&this.showSearchBox(a);h=!0}!e&&h&&this.allow_dragcanvas&&(this.dragging_canvas=!0)}else 2!=a.which&&3==a.which&&(this.read_only||this.processContextMenu(f,a));this.last_mouse[0]=a.localX;this.last_mouse[1]=a.localY;this.last_mouseclick=g.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}}}};l.prototype.processMouseMove=function(a){this.autoresize&&this.resize();this.set_canvas_dirty_on_mouse_event&&(this.dirty_canvas=!0);if(this.graph){l.active_canvas=this;this.adjustMouseEvent(a);var b=[a.localX,a.localY];this.mouse[0]=b[0];this.mouse[1]=b[1];var c=[b[0]-this.last_mouse[0],b[1]-this.last_mouse[1]];this.last_mouse=b;this.graph_mouse[0]=a.canvasX;this.graph_mouse[1]=a.canvasY;if(this.block_click)return a.preventDefault(),
!1;a.dragging=this.last_mouse_dragging;this.node_widget&&(this.processNodeWidgets(this.node_widget[0],this.graph_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.read_only)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.ds.scale,c[1]/this.ds.scale,a.ctrlKey),this.selected_group._nodes.length&&(this.dirty_canvas=!0)),this.dirty_bgcanvas=!0;else if(this.dragging_canvas)this.ds.offset[0]+=c[0]/this.ds.scale,this.ds.offset[1]+=c[1]/this.ds.scale,this.dirty_bgcanvas=this.dirty_canvas=!0;else if(this.allow_interaction&&!this.read_only){this.connecting_node&&(this.dirty_canvas=!0);var d=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes);b=0;for(var e=this.graph._nodes.length;b<
e;++b)if(this.graph._nodes[b].mouseOver&&d!=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(d){d.redraw_on_mouse&&(this.dirty_canvas=!0);if(!d.mouseOver&&(d.mouseOver=!0,this.node_over=d,this.dirty_canvas=!0,d.onMouseEnter))d.onMouseEnter(a);if(d.onMouseMove)d.onMouseMove(a,[a.canvasX-d.pos[0],a.canvasY-d.pos[1]],this);if(this.connecting_node&&(e=this._highlight_input||
[0,0],!this.isOverNodeBox(d,a.canvasX,a.canvasY))){var f=this.isOverNodeInput(d,a.canvasX,a.canvasY,e);-1!=f&&d.inputs[f]?g.isValidConnection(this.connecting_output.type,d.inputs[f].type)&&(this._highlight_input=e,this._highlight_input_slot=d.inputs[f]):this._highlight_input_slot=this._highlight_input=null}this.canvas&&(C(a.canvasX,a.canvasY,d.pos[0]+d.size[0]-5,d.pos[1]+d.size[1]-5,5,5)?this.canvas.style.cursor="se-resize":this.canvas.style.cursor="crosshair")}else{e=null;for(b=0;b<this.visible_links.length;++b){f=
this.visible_links[b];var h=f._pos;if(!(!h||a.canvasX<h[0]-4||a.canvasX>h[0]+4||a.canvasY<h[1]-4||a.canvasY>h[1]+4)){e=f;break}}e!=this.over_link_center&&(this.over_link_center=e,this.dirty_canvas=!0);this.canvas&&(this.canvas.style.cursor="")}if(this.node_capturing_input&&this.node_capturing_input!=d&&this.node_capturing_input.onMouseMove)this.node_capturing_input.onMouseMove(a,[a.canvasX-this.node_capturing_input.pos[0],a.canvasY-this.node_capturing_input.pos[1]],this);if(this.node_dragged&&!this.live_mode){for(b in this.selected_nodes)d=
this.selected_nodes[b],d.pos[0]+=c[0]/this.ds.scale,d.pos[1]+=c[1]/this.ds.scale;this.dirty_bgcanvas=this.dirty_canvas=!0}this.resizing_node&&!this.live_mode&&(c=[a.canvasX-this.resizing_node.pos[0],a.canvasY-this.resizing_node.pos[1]],b=this.resizing_node.computeSize(),c[0]=Math.max(b[0],c[0]),c[1]=Math.max(b[1],c[1]),this.resizing_node.setSize(c),this.canvas.style.cursor="se-resize",this.dirty_bgcanvas=this.dirty_canvas=!0)}a.preventDefault();return!1}};l.prototype.processMouseUp=function(a){this.set_canvas_dirty_on_mouse_event&&
(this.dirty_canvas=!0);if(this.graph){var b=this.getCanvasWindow().document;l.active_canvas=this;this.options.skip_events||(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=g.getTime();a.click_time=b-this.last_mouseclick;this.last_mouse_dragging=!1;this.last_click_position=null;this.block_click&&(console.log("foo"),this.block_click=
!1);if(1==a.which)if(this.node_widget&&this.processNodeWidgets(this.node_widget[0],this.graph_mouse,a),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 d=Math.abs(this.dragging_rectangle[2]),e=Math.abs(this.dragging_rectangle[3]),f=0>this.dragging_rectangle[3]?this.dragging_rectangle[1]-e:this.dragging_rectangle[1];this.dragging_rectangle[0]=0>this.dragging_rectangle[2]?this.dragging_rectangle[0]-d:this.dragging_rectangle[0];this.dragging_rectangle[1]=f;this.dragging_rectangle[2]=
d;this.dragging_rectangle[3]=e;e=[];for(f=0;f<b.length;++f)d=b[f],d.getBounding(c),H(this.dragging_rectangle,c)&&e.push(d);e.length&&this.selectNodes(e)}this.dragging_rectangle=null}else if(this.connecting_node){this.dirty_bgcanvas=this.dirty_canvas=!0;if(d=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes))this.connecting_output.type==g.EVENT&&this.isOverNodeBox(d,a.canvasX,a.canvasY)?this.connecting_node.connect(this.connecting_slot,d,g.EVENT):(b=this.isOverNodeInput(d,a.canvasX,a.canvasY),
-1!=b?this.connecting_node.connect(this.connecting_slot,d,b):(b=d.getInputInfo(0),this.connecting_output.type==g.EVENT?this.connecting_node.connect(this.connecting_slot,d,g.EVENT):b&&!b.link&&g.isValidConnection(b.type&&this.connecting_output.type)&&this.connecting_node.connect(this.connecting_slot,d,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.graph.afterChange(this.resizing_node),
this.resizing_node=null;else if(this.node_dragged){(d=this.node_dragged)&&300>a.click_time&&C(a.canvasX,a.canvasY,d.pos[0],d.pos[1]-g.NODE_TITLE_HEIGHT,g.NODE_TITLE_HEIGHT,g.NODE_TITLE_HEIGHT)&&d.collapse();this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_dragged.pos[0]=Math.round(this.node_dragged.pos[0]);this.node_dragged.pos[1]=Math.round(this.node_dragged.pos[1]);(this.graph.config.align_to_grid||this.align_to_grid)&&this.node_dragged.alignToGrid();if(this.onNodeMoved)this.onNodeMoved(this.node_dragged);
this.graph.afterChange(this.node_dragged);this.node_dragged=null}else{d=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes);!d&&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}};l.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=a.localX,d=a.localY;if(!this.viewport||this.viewport&&c>=this.viewport[0]&&c<this.viewport[0]+this.viewport[2]&&
d>=this.viewport[1]&&d<this.viewport[1]+this.viewport[3])return c=this.ds.scale,0<b?c*=1.1:0>b&&(c*=1/1.1),this.ds.changeScale(c,[a.localX,a.localY]),this.graph.change(),a.preventDefault(),!1}};l.prototype.isOverNodeBox=function(a,b,c){var d=g.NODE_TITLE_HEIGHT;return C(b,c,a.pos[0]+2,a.pos[1]+2-d,d-4,d-4)?!0:!1};l.prototype.isOverNodeInput=function(a,b,c,d){if(a.inputs)for(var e=0,f=a.inputs.length;e<f;++e){var h=a.getConnectionPos(!0,e);if(a.horizontal?C(b,c,h[0]-5,h[1]-10,10,20):C(b,c,h[0]-10,
h[1]-5,40,10))return d&&(d[0]=h[0],d[1]=h[1]),e}return-1};l.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(),a.stopImmediatePropagation(),!1}}};l.prototype.copyToClipboard=function(){var a=
{nodes:[],links:[]},b=0,c=[],d;for(d in this.selected_nodes){var e=this.selected_nodes[d];e._relative_id=b;c.push(e);b+=1}for(d=0;d<c.length;++d)if(e=c[d],b=e.clone()){if(a.nodes.push(b.serialize()),e.inputs&&e.inputs.length)for(b=0;b<e.inputs.length;++b){var f=e.inputs[b];if(f&&null!=f.link&&(f=this.graph.links[f.link])){var h=this.graph.getNodeById(f.origin_id);h&&this.selected_nodes[h.id]&&a.links.push([h._relative_id,f.origin_slot,e._relative_id,f.target_slot])}}}else console.warn("node type not found: "+
e.type);localStorage.setItem("litegrapheditor_clipboard",JSON.stringify(a))};l.prototype.pasteFromClipboard=function(){var a=localStorage.getItem("litegrapheditor_clipboard");if(a){this.graph.beforeChange();a=JSON.parse(a);for(var b=[],c=0;c<a.nodes.length;++c){var d=a.nodes[c],e=g.createNode(d.type);e&&(e.configure(d),e.pos[0]+=5,e.pos[1]+=5,this.graph.add(e),b.push(e))}for(c=0;c<a.links.length;++c){d=a.links[c];e=b[d[0]];var f=b[d[2]];e&&f?e.connect(d[1],f,d[3]):console.warn("Warning, nodes missing on pasting")}this.selectNodes(b);
this.graph.afterChange()}};l.prototype.processDrop=function(a){a.preventDefault();this.adjustMouseEvent(a);var b=a.localX,c=a.localY;if(!this.viewport||this.viewport&&b>=this.viewport[0]&&b<this.viewport[0]+this.viewport[2]&&c>=this.viewport[1]&&c<this.viewport[1]+this.viewport[3]){b=[a.canvasX,a.canvasY];var d=this.graph?this.graph.getNodeOnPos(b[0],b[1]):null;if(d){if((d.onDropFile||d.onDropData)&&(b=a.dataTransfer.files)&&b.length)for(c=0;c<b.length;c++){var e=a.dataTransfer.files[0],f=e.name;
l.getFileExtension(f);if(d.onDropFile)d.onDropFile(e);if(d.onDropData){var h=new FileReader;h.onload=function(a){d.onDropData(a.target.result,f,e)};var k=e.type.split("/")[0];"text"==k||""==k?h.readAsText(e):"image"==k?h.readAsDataURL(e):h.readAsArrayBuffer(e)}}return d.onDropItem&&d.onDropItem(event)?!0:this.onDropItem?this.onDropItem(event):!1}b=null;this.onDropItem&&(b=this.onDropItem(event));b||this.checkDropItem(a)}};l.prototype.checkDropItem=function(a){if(a.dataTransfer.files.length){var b=
a.dataTransfer.files[0],c=l.getFileExtension(b.name).toLowerCase();if(c=g.node_types_by_file_extension[c]){this.graph.beforeChange();c=g.createNode(c.type);c.pos=[a.canvasX,a.canvasY];this.graph.add(c);if(c.onDropFile)c.onDropFile(b);this.graph.afterChange()}}};l.prototype.processNodeDblClicked=function(a){if(this.onShowNodePanel)this.onShowNodePanel(a);else this.showShowNodePanel(a);if(this.onNodeDblClicked)this.onNodeDblClicked(a);this.setDirty(!0)};l.prototype.processNodeSelected=function(a,b){this.selectNode(a,
b&&b.shiftKey);if(this.onNodeSelected)this.onNodeSelected(a)};l.prototype.selectNode=function(a,b){null==a?this.deselectAllNodes():this.selectNodes([a],b)};l.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 d=0;d<c.inputs.length;++d)this.highlighted_links[c.inputs[d].link]=!0;if(c.outputs)for(d=0;d<
c.outputs.length;++d){var e=c.outputs[d];if(e.links)for(var f=0;f<e.links.length;++f)this.highlighted_links[e.links[f]]=!0}}}if(this.onSelectionChange)this.onSelectionChange(this.selected_nodes);this.setDirty(!0)};l.prototype.deselectNode=function(a){if(a.is_selected){if(a.onDeselected)a.onDeselected();a.is_selected=!1;if(this.onNodeDeselected)this.onNodeDeselected(a);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 d=0;d<c.links.length;++d)delete this.highlighted_links[c.links[d]]}}};l.prototype.deselectAllNodes=function(){if(this.graph){for(var a=this.graph._nodes,b=0,c=a.length;b<c;++b){var d=a[b];if(d.is_selected){if(d.onDeselected)d.onDeselected();d.is_selected=!1;if(this.onNodeDeselected)this.onNodeDeselected(d)}}this.selected_nodes={};this.current_node=null;this.highlighted_links={};if(this.onSelectionChange)this.onSelectionChange(this.selected_nodes);this.setDirty(!0)}};
l.prototype.deleteSelectedNodes=function(){this.graph.beforeChange();for(var a in this.selected_nodes){var b=this.selected_nodes[a];if(!b.block_delete){if(b.inputs&&b.inputs.length&&b.outputs&&b.outputs.length&&g.isValidConnection(b.inputs[0].type,b.outputs[0].type)&&b.inputs[0].link&&b.outputs[0].links&&b.outputs[0].links.length){var c=b.graph.links[b.inputs[0].link],d=b.graph.links[b.outputs[0].links[0]],e=b.getInputNode(0),f=b.getOutputNodes(0)[0];e&&f&&e.connect(c.origin_slot,f,d.target_slot)}this.graph.remove(b);
if(this.onNodeDeselected)this.onNodeDeselected(b)}}this.selected_nodes={};this.current_node=null;this.highlighted_links={};this.setDirty(!0);this.graph.afterChange()};l.prototype.centerOnNode=function(a){this.ds.offset[0]=-a.pos[0]-.5*a.size[0]+.5*this.canvas.width/this.ds.scale;this.ds.offset[1]=-a.pos[1]-.5*a.size[1]+.5*this.canvas.height/this.ds.scale;this.setDirty(!0,!0)};l.prototype.adjustMouseEvent=function(a){if(this.canvas){var b=this.canvas.getBoundingClientRect();a.localX=a.clientX-b.left;
a.localY=a.clientY-b.top}else a.localX=a.clientX,a.localY=a.clientY;a.deltaX=a.localX-this.last_mouse_position[0];a.deltaY=a.localY-this.last_mouse_position[1];this.last_mouse_position[0]=a.localX;this.last_mouse_position[1]=a.localY;a.canvasX=a.localX/this.ds.scale-this.ds.offset[0];a.canvasY=a.localY/this.ds.scale-this.ds.offset[1]};l.prototype.setZoom=function(a,b){this.ds.changeScale(a,b);this.dirty_bgcanvas=this.dirty_canvas=!0};l.prototype.convertOffsetToCanvas=function(a,b){return this.ds.convertOffsetToCanvas(a,
b)};l.prototype.convertCanvasToOffset=function(a,b){return this.ds.convertCanvasToOffset(a,b)};l.prototype.convertEventToCanvasOffset=function(a){var b=this.canvas.getBoundingClientRect();return this.convertCanvasToOffset([a.clientX-b.left,a.clientY-b.top])};l.prototype.bringToFront=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.push(a))};l.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 K=new Float32Array(4);l.prototype.computeVisibleNodes=function(a,b){b=b||[];b.length=0;a=a||this.graph._nodes;for(var c=0,d=a.length;c<d;++c){var e=a[c];(!this.live_mode||e.onDrawBackground||e.onDrawForeground)&&H(this.visible_area,e.getBounding(K))&&b.push(e)}return b};l.prototype.draw=function(a,b){if(this.canvas&&0!=this.canvas.width&&0!=this.canvas.height){var c=g.getTime();this.render_time=.001*(c-this.last_draw_time);this.last_draw_time=c;this.graph&&this.ds.computeVisibleArea(this.viewport);
(this.dirty_bgcanvas||b||this.always_render_background||this.graph&&this.graph._last_trigger_time&&1E3>c-this.graph._last_trigger_time)&&this.drawBackCanvas();(this.dirty_canvas||a)&&this.drawFrontCanvas();this.fps=this.render_time?1/this.render_time:0;this.frame+=1}};l.prototype.drawFrontCanvas=function(){this.dirty_canvas=!1;this.ctx||(this.ctx=this.bgcanvas.getContext("2d"));var a=this.ctx;if(a){var b=this.canvas;a.start2D&&!this.viewport&&(a.start2D(),a.restore(),a.setTransform(1,0,0,1,0,0));
var c=this.viewport||this.dirty_area;c&&(a.save(),a.beginPath(),a.rect(c[0],c[1],c[2],c[3]),a.clip());this.clear_background&&(c?a.clearRect(c[0],c[1],c[2],c[3]):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,c?c[0]:0,c?c[1]:0);if(this.graph){a.save();this.ds.toCanvasContext(a);b=this.computeVisibleNodes(null,this.visible_nodes);for(var d=0;d<b.length;++d){var e=
b[d];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 g.EVENT:b=g.EVENT_LINK_COLOR;break;default:b=g.CONNECTING_LINK_COLOR}this.renderLink(a,this.connecting_pos,[this.graph_mouse[0],this.graph_mouse[1]],null,!1,null,b,this.connecting_output.dir||
(this.connecting_node.horizontal?g.DOWN:g.RIGHT),g.CENTER);a.beginPath();this.connecting_output.type===g.EVENT||this.connecting_output.shape===g.BOX_SHAPE?a.rect(this.connecting_pos[0]-6+.5,this.connecting_pos[1]-5+.5,14,10):this.connecting_output.shape===g.ARROW_SHAPE?(a.moveTo(this.connecting_pos[0]+8,this.connecting_pos[1]+.5),a.lineTo(this.connecting_pos[0]-4,this.connecting_pos[1]+6+.5),a.lineTo(this.connecting_pos[0]-4,this.connecting_pos[1]-6+.5),a.closePath()):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(),this._highlight_input_slot.shape===g.ARROW_SHAPE?(a.moveTo(this._highlight_input[0]+8,this._highlight_input[1]+.5),a.lineTo(this._highlight_input[0]-4,this._highlight_input[1]+6+.5),a.lineTo(this._highlight_input[0]-4,this._highlight_input[1]-6+.5),a.closePath()):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.over_link_center&&this.render_link_tooltip)this.drawLinkTooltip(a,this.over_link_center);else if(this.onDrawLinkTooltip)this.onDrawLinkTooltip(a,null);if(this.onDrawForeground)this.onDrawForeground(a,this.visible_rect);a.restore()}this._graph_stack&&this._graph_stack.length&&this.drawSubgraphPanel(a);if(this.onDrawOverlay)this.onDrawOverlay(a);c&&a.restore();a.finish2D&&a.finish2D()}};l.prototype.drawSubgraphPanel=
function(a){var b=this.graph,c=b._subgraph_node;c?(this.drawSubgraphPanelLeft(b,c,a),this.drawSubgraphPanelRight(b,c,a)):console.warn("subgraph without subnode")};l.prototype.drawSubgraphPanelLeft=function(a,b,c){var d=b.inputs?b.inputs.length:0,e=Math.floor(1.6*g.NODE_SLOT_HEIGHT);c.fillStyle="#111";c.globalAlpha=.8;c.beginPath();c.roundRect(10,10,200,(d+1)*e+50,[8]);c.fill();c.globalAlpha=1;c.fillStyle="#888";c.font="14px Arial";c.textAlign="left";c.fillText("Graph Inputs",20,34);if(this.drawButton(180,
20,20,20,"X","#151515"))this.closeSubgraph();else{d=50;c.font="14px Arial";if(b.inputs)for(var f=0;f<b.inputs.length;++f){var h=b.inputs[f];if(!h.not_subgraph_input){if(this.drawButton(20,d+2,180,e-2)){var k=b.constructor.input_node_type||"graph/input";this.graph.beforeChange();var n=g.createNode(k);n?(a.add(n),this.block_click=!1,this.last_click_position=null,this.selectNodes([n]),this.node_dragged=n,this.dragging_canvas=!1,n.setProperty("name",h.name),n.setProperty("type",h.type),this.node_dragged.pos[0]=
this.graph_mouse[0]-5,this.node_dragged.pos[1]=this.graph_mouse[1]-5,this.graph.afterChange()):console.error("graph input node not found:",k)}c.fillStyle="#9C9";c.beginPath();c.arc(184,d+.5*e,5,0,2*Math.PI);c.fill();c.fillStyle="#AAA";c.fillText(h.name,30,d+.75*e);c.fillStyle="#777";c.fillText(h.type,130,d+.75*e);d+=e}}this.drawButton(20,d+2,180,e-2,"+","#151515","#222")&&this.showSubgraphPropertiesDialog(b)}};l.prototype.drawSubgraphPanelRight=function(a,b,c){var d=b.outputs?b.outputs.length:0,e=
this.bgcanvas.width,f=Math.floor(1.6*g.NODE_SLOT_HEIGHT);c.fillStyle="#111";c.globalAlpha=.8;c.beginPath();c.roundRect(e-200-10,10,200,(d+1)*f+50,[8]);c.fill();c.globalAlpha=1;c.fillStyle="#888";c.font="14px Arial";c.textAlign="left";d=c.measureText("Graph Outputs").width;c.fillText("Graph Outputs",e-d-20,34);if(this.drawButton(e-200,20,20,20,"X","#151515"))this.closeSubgraph();else{d=50;c.font="14px Arial";if(b.outputs)for(var h=0;h<b.outputs.length;++h){var k=b.outputs[h];if(!k.not_subgraph_input){if(this.drawButton(e-
200,d+2,180,f-2)){var n=b.constructor.output_node_type||"graph/output";this.graph.beforeChange();var u=g.createNode(n);u?(a.add(u),this.block_click=!1,this.last_click_position=null,this.selectNodes([u]),this.node_dragged=u,this.dragging_canvas=!1,u.setProperty("name",k.name),u.setProperty("type",k.type),this.node_dragged.pos[0]=this.graph_mouse[0]-5,this.node_dragged.pos[1]=this.graph_mouse[1]-5,this.graph.afterChange()):console.error("graph input node not found:",n)}c.fillStyle="#9C9";c.beginPath();
c.arc(e-200+16,d+.5*f,5,0,2*Math.PI);c.fill();c.fillStyle="#AAA";c.fillText(k.name,e-200+30,d+.75*f);c.fillStyle="#777";c.fillText(k.type,e-200+130,d+.75*f);d+=f}}this.drawButton(e-200,d+2,180,f-2,"+","#151515","#222")&&this.showSubgraphPropertiesDialogRight(b)}};l.prototype.drawButton=function(a,b,c,d,e,f,h,k){var n=this.ctx;f=f||g.NODE_DEFAULT_COLOR;h=h||"#555";k=k||g.NODE_TEXT_COLOR;var u=this.mouse,q=g.isInsideRectangle(u[0],u[1],a,b,c,d);u=(u=this.last_click_position)&&g.isInsideRectangle(u[0],
u[1],a,b,c,d);n.fillStyle=q?h:f;u&&(n.fillStyle="#AAA");n.beginPath();n.roundRect(a,b,c,d,[4]);n.fill();null!=e&&e.constructor==String&&(n.fillStyle=k,n.textAlign="center",n.font=(.65*d|0)+"px Arial",n.fillText(e,a+.5*c,b+.75*d),n.textAlign="left");a=u&&!this.block_click;u&&this.blockClick();return a};l.prototype.isAreaClicked=function(a,b,c,d,e){var f=this.mouse;g.isInsideRectangle(f[0],f[1],a,b,c,d);b=(a=(f=this.last_click_position)&&g.isInsideRectangle(f[0],f[1],a,b,c,d))&&!this.block_click;a&&
e&&this.blockClick();return b};l.prototype.renderInfo=function(a,b,c){b=b||10;c=c||this.canvas.height-80;a.save();a.translate(b,c);a.font="10px Arial";a.fillStyle="#888";a.textAlign="left";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()};l.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();var c=this.viewport||[0,0,b.canvas.width,b.canvas.height];this.clear_background&&b.clearRect(c[0],c[1],c[2],c[3]);if(this._graph_stack&&this._graph_stack.length){b.save();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||"#AAA";for(var d="",e=1;e<this._graph_stack.length;++e)d+=this._graph_stack[e]._subgraph_node.getTitle()+" >> ";b.fillText(d+c.getTitle(),.5*a.width,40);b.restore()}c=!1;this.onRenderBackground&&(c=this.onRenderBackground(a,b));this.viewport||(b.restore(),b.setTransform(1,0,0,1,0,0));this.visible_links.length=0;if(this.graph){b.save();this.ds.toCanvasContext(b);if(this.background_image&&
.5<this.ds.scale&&!c){b.globalAlpha=this.zoom_modify_alpha?(1-.5/this.ds.scale)*this.editor_alpha:this.editor_alpha;b.imageSmoothingEnabled=b.mozImageSmoothingEnabled=b.imageSmoothingEnabled=!1;if(!this._bg_img||this._bg_img.name!=this.background_image){this._bg_img=new Image;this._bg_img.name=this.background_image;this._bg_img.src=this.background_image;var f=this;this._bg_img.onload=function(){f.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;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 D=new Float32Array(2);l.prototype.drawNode=function(a,b){this.current_node=a;var c=a.color||a.constructor.color||
g.NODE_DEFAULT_COLOR,d=a.bgcolor||a.constructor.bgcolor||g.NODE_DEFAULT_BGCOLOR,e=.6>this.ds.scale;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&&!e?(b.shadowColor=g.DEFAULT_SHADOW_COLOR,b.shadowOffsetX=2*this.ds.scale,b.shadowOffsetY=2*this.ds.scale,b.shadowBlur=3*this.ds.scale):b.shadowColor="transparent";if(!a.flags.collapsed||!a.onDrawCollapsed||
1!=a.onDrawCollapsed(b,this)){var h=a._shape||g.BOX_SHAPE;D.set(a.size);var k=a.horizontal;if(a.flags.collapsed){b.font=this.inner_text_font;var n=a.getTitle?a.getTitle():a.title;null!=n&&(a._collapsed_width=Math.min(a.size[0],b.measureText(n).width+2*g.NODE_TITLE_HEIGHT),D[0]=a._collapsed_width,D[1]=0)}a.clip_area&&(b.save(),b.beginPath(),h==g.BOX_SHAPE?b.rect(0,0,D[0],D[1]):h==g.ROUND_SHAPE?b.roundRect(0,0,D[0],D[1],[10]):h==g.CIRCLE_SHAPE&&b.arc(.5*D[0],.5*D[1],.5*D[0],0,2*Math.PI),b.clip());a.has_errors&&
(d="red");this.drawNodeShape(a,b,D,c,d,a.is_selected,a.mouseOver);b.shadowColor="transparent";if(a.onDrawForeground)a.onDrawForeground(b,this,this.canvas);b.textAlign=k?"center":"left";b.font=this.inner_text_font;d=!e;h=this.connecting_output;b.lineWidth=1;n=0;var u=new Float32Array(2);if(!a.flags.collapsed){if(a.inputs)for(c=0;c<a.inputs.length;c++){var q=a.inputs[c];b.globalAlpha=f;this.connecting_node&&!g.isValidConnection(q.type,h.type)&&(b.globalAlpha=.4*f);b.fillStyle=null!=q.link?q.color_on||
this.default_connection_color.input_on:q.color_off||this.default_connection_color.input_off;var m=a.getConnectionPos(!0,c,u);m[0]-=a.pos[0];m[1]-=a.pos[1];n<m[1]+.5*g.NODE_SLOT_HEIGHT&&(n=m[1]+.5*g.NODE_SLOT_HEIGHT);b.beginPath();q.type===g.EVENT||q.shape===g.BOX_SHAPE?k?b.rect(m[0]-5+.5,m[1]-8+.5,10,14):b.rect(m[0]-6+.5,m[1]-5+.5,14,10):q.shape===g.ARROW_SHAPE?(b.moveTo(m[0]+8,m[1]+.5),b.lineTo(m[0]-4,m[1]+6+.5),b.lineTo(m[0]-4,m[1]-6+.5),b.closePath()):e?b.rect(m[0]-4,m[1]-4,8,8):b.arc(m[0],m[1],
4,0,2*Math.PI);b.fill();if(d){var l=null!=q.label?q.label:q.name;l&&(b.fillStyle=g.NODE_TEXT_COLOR,k||q.dir==g.UP?b.fillText(l,m[0],m[1]-10):b.fillText(l,m[0]+10,m[1]+5))}}this.connecting_node&&(b.globalAlpha=.4*f);b.textAlign=k?"center":"right";b.strokeStyle="black";if(a.outputs)for(c=0;c<a.outputs.length;c++)if(q=a.outputs[c],m=a.getConnectionPos(!1,c,u),m[0]-=a.pos[0],m[1]-=a.pos[1],n<m[1]+.5*g.NODE_SLOT_HEIGHT&&(n=m[1]+.5*g.NODE_SLOT_HEIGHT),b.fillStyle=q.links&&q.links.length?q.color_on||this.default_connection_color.output_on:
q.color_off||this.default_connection_color.output_off,b.beginPath(),q.type===g.EVENT||q.shape===g.BOX_SHAPE?k?b.rect(m[0]-5+.5,m[1]-8+.5,10,14):b.rect(m[0]-6+.5,m[1]-5+.5,14,10):q.shape===g.ARROW_SHAPE?(b.moveTo(m[0]+8,m[1]+.5),b.lineTo(m[0]-4,m[1]+6+.5),b.lineTo(m[0]-4,m[1]-6+.5),b.closePath()):e?b.rect(m[0]-4,m[1]-4,8,8):b.arc(m[0],m[1],4,0,2*Math.PI),b.fill(),e||b.stroke(),d&&(l=null!=q.label?q.label:q.name))b.fillStyle=g.NODE_TEXT_COLOR,k||q.dir==g.DOWN?b.fillText(l,m[0],m[1]-8):b.fillText(l,
m[0]-10,m[1]+5);b.textAlign="left";b.globalAlpha=1;if(a.widgets){q=n;if(k||a.widgets_up)q=2;null!=a.widgets_start_y&&(q=a.widgets_start_y);this.drawNodeWidgets(a,q,b,this.node_widget&&this.node_widget[0]==a?this.node_widget[1]:null)}}else if(this.render_collapsed_slots){e=f=null;if(a.inputs)for(c=0;c<a.inputs.length;c++)if(q=a.inputs[c],null!=q.link){f=q;break}if(a.outputs)for(c=0;c<a.outputs.length;c++)q=a.outputs[c],q.links&&q.links.length&&(e=q);f&&(f=0,c=-.5*g.NODE_TITLE_HEIGHT,k&&(f=.5*a._collapsed_width,
c=-g.NODE_TITLE_HEIGHT),b.fillStyle="#686",b.beginPath(),q.type===g.EVENT||q.shape===g.BOX_SHAPE?b.rect(f-7+.5,c-4,14,8):q.shape===g.ARROW_SHAPE?(b.moveTo(f+8,c),b.lineTo(f+-4,c-4),b.lineTo(f+-4,c+4),b.closePath()):b.arc(f,c,4,0,2*Math.PI),b.fill());e&&(f=a._collapsed_width,c=-.5*g.NODE_TITLE_HEIGHT,k&&(f=.5*a._collapsed_width,c=0),b.fillStyle="#686",b.strokeStyle="black",b.beginPath(),q.type===g.EVENT||q.shape===g.BOX_SHAPE?b.rect(f-7+.5,c-4,14,8):q.shape===g.ARROW_SHAPE?(b.moveTo(f+6,c),b.lineTo(f-
6,c-4),b.lineTo(f-6,c+4),b.closePath()):b.arc(f,c,4,0,2*Math.PI),b.fill())}a.clip_area&&b.restore();b.globalAlpha=1}}};l.prototype.drawLinkTooltip=function(a,b){var c=b._pos;a.fillStyle="black";a.beginPath();a.arc(c[0],c[1],3,0,2*Math.PI);a.fill();if(null!=b.data&&(!this.onDrawLinkTooltip||1!=this.onDrawLinkTooltip(a,b,this))&&(b=b.data,b=b.constructor===Number?b.toFixed(2):b.constructor===String?'"'+b+'"':b.constructor===Boolean?String(b):b.toToolTip?b.toToolTip():"["+b.constructor.name+"]",null!=
b)){b=b.substr(0,30);a.font="14px Courier New";var d=a.measureText(b).width+20;a.shadowColor="black";a.shadowOffsetX=2;a.shadowOffsetY=2;a.shadowBlur=3;a.fillStyle="#454";a.beginPath();a.roundRect(c[0]-.5*d,c[1]-15-24,d,24,[3]);a.moveTo(c[0]-10,c[1]-15);a.lineTo(c[0]+10,c[1]-15);a.lineTo(c[0],c[1]-5);a.fill();a.shadowColor="transparent";a.textAlign="center";a.fillStyle="#CEC";a.fillText(b,c[0],c[1]-15-24*.3)}};var x=new Float32Array(4);l.prototype.drawNodeShape=function(a,b,c,d,e,f,h){b.strokeStyle=
d;b.fillStyle=e;e=g.NODE_TITLE_HEIGHT;var k=.5>this.ds.scale,n=a._shape||a.constructor.shape||g.ROUND_SHAPE,u=a.constructor.title_mode,q=!0;u==g.TRANSPARENT_TITLE?q=!1:u==g.AUTOHIDE_TITLE&&h&&(q=!0);x[0]=0;x[1]=q?-e:0;x[2]=c[0]+1;x[3]=q?c[1]+e:c[1];h=b.globalAlpha;b.beginPath();n==g.BOX_SHAPE||k?b.fillRect(x[0],x[1],x[2],x[3]):n==g.ROUND_SHAPE||n==g.CARD_SHAPE?b.roundRect(x[0],x[1],x[2],x[3],n==g.CARD_SHAPE?[this.round_radius,this.round_radius,0,0]:[this.round_radius]):n==g.CIRCLE_SHAPE&&b.arc(.5*
c[0],.5*c[1],.5*c[0],0,2*Math.PI);b.fill();!a.flags.collapsed&&q&&(b.shadowColor="transparent",b.fillStyle="rgba(0,0,0,0.2)",b.fillRect(0,-1,x[2],2));b.shadowColor="transparent";if(a.onDrawBackground)a.onDrawBackground(b,this,this.canvas,this.graph_mouse);if(q||u==g.TRANSPARENT_TITLE){if(a.onDrawTitleBar)a.onDrawTitleBar(b,e,c,this.ds.scale,d);else if(u!=g.TRANSPARENT_TITLE&&(a.constructor.title_color||this.render_title_colored)){q=a.constructor.title_color||d;a.flags.collapsed&&(b.shadowColor=g.DEFAULT_SHADOW_COLOR);
if(this.use_gradients){var m=l.gradients[q];m||(m=l.gradients[q]=b.createLinearGradient(0,0,400,0),m.addColorStop(0,q),m.addColorStop(1,"#000"));b.fillStyle=m}else b.fillStyle=q;b.beginPath();n==g.BOX_SHAPE||k?b.rect(0,-e,c[0]+1,e):(n==g.ROUND_SHAPE||n==g.CARD_SHAPE)&&b.roundRect(0,-e,c[0]+1,e,a.flags.collapsed?[this.round_radius]:[this.round_radius,this.round_radius,0,0]);b.fill();b.shadowColor="transparent"}if(a.onDrawTitleBox)a.onDrawTitleBox(b,e,c,this.ds.scale);else n==g.ROUND_SHAPE||n==g.CIRCLE_SHAPE||
n==g.CARD_SHAPE?(k&&(b.fillStyle="black",b.beginPath(),b.arc(.5*e,-.5*e,6,0,2*Math.PI),b.fill()),b.fillStyle=a.boxcolor||g.NODE_DEFAULT_BOXCOLOR,k?b.fillRect(.5*e-5,-.5*e-5,10,10):(b.beginPath(),b.arc(.5*e,-.5*e,5,0,2*Math.PI),b.fill())):(k&&(b.fillStyle="black",b.fillRect(.5*(e-10)-1,-.5*(e+10)-1,12,12)),b.fillStyle=a.boxcolor||g.NODE_DEFAULT_BOXCOLOR,b.fillRect(.5*(e-10),-.5*(e+10),10,10));b.globalAlpha=h;if(a.onDrawTitleText)a.onDrawTitleText(b,e,c,this.ds.scale,this.title_text_font,f);!k&&(b.font=
this.title_text_font,h=String(a.getTitle()))&&(b.fillStyle=f?g.NODE_SELECTED_TITLE_COLOR:a.constructor.title_text_color||this.node_title_color,a.flags.collapsed?(b.textAlign="left",b.measureText(h),b.fillText(h.substr(0,20),e,g.NODE_TITLE_TEXT_Y-e),b.textAlign="left"):(b.textAlign="left",b.fillText(h,e,g.NODE_TITLE_TEXT_Y-e)));a.flags.collapsed||!a.subgraph||a.skip_subgraph_button||(h=g.NODE_TITLE_HEIGHT,q=a.size[0]-h,m=g.isInsideRectangle(this.graph_mouse[0]-a.pos[0],this.graph_mouse[1]-a.pos[1],
q+2,-h+2,h-4,h-4),b.fillStyle=m?"#888":"#555",n==g.BOX_SHAPE||k?b.fillRect(q+2,-h+2,h-4,h-4):(b.beginPath(),b.roundRect(q+2,-h+2,h-4,h-4,[4]),b.fill()),b.fillStyle="#333",b.beginPath(),b.moveTo(q+.2*h,.6*-h),b.lineTo(q+.8*h,.6*-h),b.lineTo(q+.5*h,.3*-h),b.fill());if(a.onDrawTitle)a.onDrawTitle(b)}if(f){if(a.onBounding)a.onBounding(x);u==g.TRANSPARENT_TITLE&&(x[1]-=e,x[3]+=e);b.lineWidth=1;b.globalAlpha=.8;b.beginPath();n==g.BOX_SHAPE?b.rect(-6+x[0],-6+x[1],12+x[2],12+x[3]):n==g.ROUND_SHAPE||n==g.CARD_SHAPE&&
a.flags.collapsed?b.roundRect(-6+x[0],-6+x[1],12+x[2],12+x[3],[2*this.round_radius]):n==g.CARD_SHAPE?b.roundRect(-6+x[0],-6+x[1],12+x[2],12+x[3],[2*this.round_radius,2,2*this.round_radius,2]):n==g.CIRCLE_SHAPE&&b.arc(.5*c[0],.5*c[1],.5*c[0]+6,0,2*Math.PI);b.strokeStyle=g.NODE_BOX_OUTLINE_COLOR;b.stroke();b.strokeStyle=d;b.globalAlpha=1}};var I=new Float32Array(4),B=new Float32Array(4),L=new Float32Array(2),M=new Float32Array(2);l.prototype.drawConnections=function(a){var b=g.getTime(),c=this.visible_area;
I[0]=c[0]-20;I[1]=c[1]-20;I[2]=c[2]+40;I[3]=c[3]+40;a.lineWidth=this.connections_width;a.fillStyle="#AAA";a.strokeStyle="#AAA";a.globalAlpha=this.editor_alpha;c=this.graph._nodes;for(var d=0,e=c.length;d<e;++d){var f=c[d];if(f.inputs&&f.inputs.length)for(var h=0;h<f.inputs.length;++h){var k=f.inputs[h];if(k&&null!=k.link&&(k=this.graph.links[k.link])){var n=this.graph.getNodeById(k.origin_id);if(null!=n){var u=k.origin_slot;var q=-1==u?[n.pos[0]+10,n.pos[1]+10]:n.getConnectionPos(!1,u,L);var m=f.getConnectionPos(!0,
h,M);B[0]=q[0];B[1]=q[1];B[2]=m[0]-q[0];B[3]=m[1]-q[1];0>B[2]&&(B[0]+=B[2],B[2]=Math.abs(B[2]));0>B[3]&&(B[1]+=B[3],B[3]=Math.abs(B[3]));if(H(B,I)){var l=n.outputs[u];u=f.inputs[h];if(l&&u&&(n=l.dir||(n.horizontal?g.DOWN:g.RIGHT),u=u.dir||(f.horizontal?g.UP:g.LEFT),this.renderLink(a,q,m,k,!1,0,null,n,u),k&&k._last_time&&1E3>b-k._last_time)){l=2-.002*(b-k._last_time);var v=a.globalAlpha;a.globalAlpha=v*l;this.renderLink(a,q,m,k,!0,l,"white",n,u);a.globalAlpha=v}}}}}}a.globalAlpha=1};l.prototype.renderLink=
function(a,b,c,d,e,f,h,k,n,u){d&&this.visible_links.push(d);!h&&d&&(h=d.color||l.link_type_colors[d.type]);h||(h=this.default_link_color);null!=d&&this.highlighted_links[d.id]&&(h="#FFF");k=k||g.RIGHT;n=n||g.LEFT;var q=J(b,c);this.render_connections_border&&.6<this.ds.scale&&(a.lineWidth=this.connections_width+4);a.lineJoin="round";u=u||1;1<u&&(a.lineWidth=.5);a.beginPath();for(var m=0;m<u;m+=1){var t=5*(m-.5*(u-1));if(this.links_render_mode==g.SPLINE_LINK){a.moveTo(b[0],b[1]+t);var v=0,r=0,p=0,A=
0;switch(k){case g.LEFT:v=-.25*q;break;case g.RIGHT:v=.25*q;break;case g.UP:r=-.25*q;break;case g.DOWN:r=.25*q}switch(n){case g.LEFT:p=-.25*q;break;case g.RIGHT:p=.25*q;break;case g.UP:A=-.25*q;break;case g.DOWN:A=.25*q}a.bezierCurveTo(b[0]+v,b[1]+r+t,c[0]+p,c[1]+A+t,c[0],c[1]+t)}else if(this.links_render_mode==g.LINEAR_LINK){a.moveTo(b[0],b[1]+t);A=p=r=v=0;switch(k){case g.LEFT:v=-1;break;case g.RIGHT:v=1;break;case g.UP:r=-1;break;case g.DOWN:r=1}switch(n){case g.LEFT:p=-1;break;case g.RIGHT:p=
1;break;case g.UP:A=-1;break;case g.DOWN:A=1}a.lineTo(b[0]+15*v,b[1]+15*r+t);a.lineTo(c[0]+15*p,c[1]+15*A+t);a.lineTo(c[0],c[1]+t)}else if(this.links_render_mode==g.STRAIGHT_LINK)a.moveTo(b[0],b[1]),t=b[0],v=b[1],r=c[0],p=c[1],k==g.RIGHT?t+=10:v+=10,n==g.LEFT?r-=10:p-=10,a.lineTo(t,v),a.lineTo(.5*(t+r),v),a.lineTo(.5*(t+r),p),a.lineTo(r,p),a.lineTo(c[0],c[1]);else return}this.render_connections_border&&.6<this.ds.scale&&!e&&(a.strokeStyle="rgba(0,0,0,0.5)",a.stroke());a.lineWidth=this.connections_width;
a.fillStyle=a.strokeStyle=h;a.stroke();e=this.computeConnectionPoint(b,c,.5,k,n);d&&d._pos&&(d._pos[0]=e[0],d._pos[1]=e[1]);.6<=this.ds.scale&&this.highquality_render&&n!=g.CENTER&&(this.render_connection_arrows&&(m=this.computeConnectionPoint(b,c,.25,k,n),q=this.computeConnectionPoint(b,c,.26,k,n),d=this.computeConnectionPoint(b,c,.75,k,n),u=this.computeConnectionPoint(b,c,.76,k,n),this.render_curved_connections?(q=-Math.atan2(q[0]-m[0],q[1]-m[1]),u=-Math.atan2(u[0]-d[0],u[1]-d[1])):u=q=c[1]>b[1]?
0:Math.PI,a.save(),a.translate(m[0],m[1]),a.rotate(q),a.beginPath(),a.moveTo(-5,-3),a.lineTo(0,7),a.lineTo(5,-3),a.fill(),a.restore(),a.save(),a.translate(d[0],d[1]),a.rotate(u),a.beginPath(),a.moveTo(-5,-3),a.lineTo(0,7),a.lineTo(5,-3),a.fill(),a.restore()),a.beginPath(),a.arc(e[0],e[1],5,0,2*Math.PI),a.fill());if(f)for(a.fillStyle=h,m=0;5>m;++m)f=(.001*g.getTime()+.2*m)%1,e=this.computeConnectionPoint(b,c,f,k,n),a.beginPath(),a.arc(e[0],e[1],5,0,2*Math.PI),a.fill()};l.prototype.computeConnectionPoint=
function(a,b,c,d,e){d=d||g.RIGHT;e=e||g.LEFT;var f=J(a,b),h=[a[0],a[1]],k=[b[0],b[1]];switch(d){case g.LEFT:h[0]+=-.25*f;break;case g.RIGHT:h[0]+=.25*f;break;case g.UP:h[1]+=-.25*f;break;case g.DOWN:h[1]+=.25*f}switch(e){case g.LEFT:k[0]+=-.25*f;break;case g.RIGHT:k[0]+=.25*f;break;case g.UP:k[1]+=-.25*f;break;case g.DOWN:k[1]+=.25*f}d=(1-c)*(1-c)*(1-c);e=3*(1-c)*(1-c)*c;f=3*(1-c)*c*c;c*=c*c;return[d*a[0]+e*h[0]+f*k[0]+c*b[0],d*a[1]+e*h[1]+f*k[1]+c*b[1]]};l.prototype.drawExecutionOrder=function(a){a.shadowColor=
"transparent";a.globalAlpha=.25;a.textAlign="center";a.strokeStyle="white";a.globalAlpha=.75;for(var b=this.visible_nodes,c=0;c<b.length;++c){var d=b[c];a.fillStyle="black";a.fillRect(d.pos[0]-g.NODE_TITLE_HEIGHT,d.pos[1]-g.NODE_TITLE_HEIGHT,g.NODE_TITLE_HEIGHT,g.NODE_TITLE_HEIGHT);0==d.order&&a.strokeRect(d.pos[0]-g.NODE_TITLE_HEIGHT+.5,d.pos[1]-g.NODE_TITLE_HEIGHT+.5,g.NODE_TITLE_HEIGHT,g.NODE_TITLE_HEIGHT);a.fillStyle="#FFF";a.fillText(d.order,d.pos[0]+-.5*g.NODE_TITLE_HEIGHT,d.pos[1]-6)}a.globalAlpha=
1};l.prototype.drawNodeWidgets=function(a,b,c,d){if(!a.widgets||!a.widgets.length)return 0;var e=a.size[0],f=a.widgets;b+=2;var h=g.NODE_WIDGET_HEIGHT,k=.5<this.ds.scale;c.save();c.globalAlpha=this.editor_alpha;for(var n=g.WIDGET_OUTLINE_COLOR,l=g.WIDGET_BGCOLOR,q=g.WIDGET_TEXT_COLOR,m=g.WIDGET_SECONDARY_TEXT_COLOR,t=0;t<f.length;++t){var v=f[t],r=b;v.y&&(r=v.y);v.last_y=r;c.strokeStyle=n;c.fillStyle="#222";c.textAlign="left";v.disabled&&(c.globalAlpha*=.5);var p=v.width||e;switch(v.type){case "button":v.clicked&&
(c.fillStyle="#AAA",v.clicked=!1,this.dirty_canvas=!0);c.fillRect(15,r,p-30,h);k&&!v.disabled&&c.strokeRect(15,r,p-30,h);k&&(c.textAlign="center",c.fillStyle=q,c.fillText(v.name,.5*p,r+.7*h));break;case "toggle":c.textAlign="left";c.strokeStyle=n;c.fillStyle=l;c.beginPath();k?c.roundRect(15,b,p-30,h,[.5*h]):c.rect(15,b,p-30,h);c.fill();k&&!v.disabled&&c.stroke();c.fillStyle=v.value?"#89A":"#333";c.beginPath();c.arc(p-30,r+.5*h,.36*h,0,2*Math.PI);c.fill();k&&(c.fillStyle=m,null!=v.name&&c.fillText(v.name,
30,r+.7*h),c.fillStyle=v.value?q:m,c.textAlign="right",c.fillText(v.value?v.options.on||"true":v.options.off||"false",p-40,r+.7*h));break;case "slider":c.fillStyle=l;c.fillRect(15,r,p-30,h);var A=v.options.max-v.options.min,F=(v.value-v.options.min)/A;c.fillStyle=d==v?"#89A":"#678";c.fillRect(15,r,F*(p-30),h);k&&!v.disabled&&c.strokeRect(15,r,p-30,h);v.marker&&(A=(v.marker-v.options.min)/A,c.fillStyle="#AA9",c.fillRect(15+A*(p-30),r,2,h));k&&(c.textAlign="center",c.fillStyle=q,c.fillText(v.name+"  "+
Number(v.value).toFixed(3),.5*p,r+.7*h));break;case "number":case "combo":c.textAlign="left";c.strokeStyle=n;c.fillStyle=l;c.beginPath();k?c.roundRect(15,b,p-30,h,[.5*h]):c.rect(15,b,p-30,h);c.fill();k&&(v.disabled||c.stroke(),c.fillStyle=q,v.disabled||(c.beginPath(),c.moveTo(31,b+5),c.lineTo(21,b+.5*h),c.lineTo(31,b+h-5),c.fill(),c.beginPath(),c.moveTo(p-15-16,b+5),c.lineTo(p-15-6,b+.5*h),c.lineTo(p-15-16,b+h-5),c.fill()),c.fillStyle=m,c.fillText(v.name,35,r+.7*h),c.fillStyle=q,c.textAlign="right",
"number"==v.type?c.fillText(Number(v.value).toFixed(void 0!==v.options.precision?v.options.precision:3),p-30-20,r+.7*h):(A=v.value,v.options.values&&(F=v.options.values,F.constructor===Function&&(F=F()),F&&F.constructor!==Array&&(A=F[v.value])),c.fillText(A,p-30-20,r+.7*h)));break;case "string":case "text":c.textAlign="left";c.strokeStyle=n;c.fillStyle=l;c.beginPath();k?c.roundRect(15,b,p-30,h,[.5*h]):c.rect(15,b,p-30,h);c.fill();k&&(v.disabled||c.stroke(),c.save(),c.beginPath(),c.rect(15,b,p-30,
h),c.clip(),c.fillStyle=m,null!=v.name&&c.fillText(v.name,30,r+.7*h),c.fillStyle=q,c.textAlign="right",c.fillText(String(v.value).substr(0,30),p-30,r+.7*h),c.restore());break;default:v.draw&&v.draw(c,a,p,r,h)}b+=(v.computeSize?v.computeSize(p)[1]:h)+4;c.globalAlpha=this.editor_alpha}c.restore();c.textAlign="left"};l.prototype.processNodeWidgets=function(a,b,c,d){function e(d,e){d.value=e;d.options&&d.options.property&&void 0!==a.properties[d.options.property]&&a.setProperty(d.options.property,e);
d.callback&&d.callback(d.value,n,a,b,c)}if(!a.widgets||!a.widgets.length)return null;for(var f=b[0]-a.pos[0],h=b[1]-a.pos[1],k=a.size[0],n=this,l=this.getCanvasWindow(),q=0;q<a.widgets.length;++q){var m=a.widgets[q];if(m&&!m.disabled){var p=m.computeSize?m.computeSize(k)[1]:g.NODE_WIDGET_HEIGHT,r=m.width||k;if(m==d||!(6>f||f>r-12||h<m.last_y||h>m.last_y+p||void 0===m.last_y)){d=m.value;switch(m.type){case "button":"mousedown"===c.type&&(m.callback&&setTimeout(function(){m.callback(m,n,a,b,c)},20),
this.dirty_canvas=m.clicked=!0);break;case "slider":l=Math.clamp((f-15)/(r-30),0,1);m.value=m.options.min+(m.options.max-m.options.min)*l;m.callback&&setTimeout(function(){e(m,m.value)},20);this.dirty_canvas=!0;break;case "number":case "combo":d=m.value;if("mousemove"==c.type&&"number"==m.type)m.value+=.1*c.deltaX*(m.options.step||1),null!=m.options.min&&m.value<m.options.min&&(m.value=m.options.min),null!=m.options.max&&m.value>m.options.max&&(m.value=m.options.max);else if("mousedown"==c.type){var t=
m.options.values;t&&t.constructor===Function&&(t=m.options.values(m,a));var w=null;"number"!=m.type&&(w=t.constructor===Array?t:Object.keys(t));f=40>f?-1:f>r-40?1:0;if("number"==m.type)m.value+=.1*f*(m.options.step||1),null!=m.options.min&&m.value<m.options.min&&(m.value=m.options.min),null!=m.options.max&&m.value>m.options.max&&(m.value=m.options.max);else if(f)l=-1,this.last_mouseclick=0,l=t.constructor===Object?w.indexOf(String(m.value))+f:w.indexOf(m.value)+f,l>=w.length&&(l=w.length-1),0>l&&
(l=0),m.value=t.constructor===Array?t[l]:l;else{var A=t!=w?Object.values(t):t;new g.ContextMenu(A,{scale:Math.max(1,this.ds.scale),event:c,className:"dark",callback:function(a,b,c){t!=w&&(a=A.indexOf(a));this.value=a;e(this,a);n.dirty_canvas=!0;return!1}.bind(m)},l)}}else"mouseup"==c.type&&"number"==m.type&&(f=40>f?-1:f>r-40?1:0,200>c.click_time&&0==f&&this.prompt("Value",m.value,function(a){this.value=Number(a);e(this,this.value)}.bind(m),c));d!=m.value&&setTimeout(function(){e(this,this.value)}.bind(m),
20);this.dirty_canvas=!0;break;case "toggle":"mousedown"==c.type&&(m.value=!m.value,setTimeout(function(){e(m,m.value)},20));break;case "string":case "text":"mousedown"==c.type&&this.prompt("Value",m.value,function(a){this.value=a;e(this,a)}.bind(m),c,m.options?m.options.multiline:!1);break;default:m.mouse&&(this.dirty_canvas=m.mouse(c,[f,h],a))}if(d!=m.value){if(a.onWidgetChanged)a.onWidgetChanged(m.name,m.value,d,m);a.graph._version++}return m}}}return null};l.prototype.drawGroups=function(a,b){if(this.graph){a=
this.graph._groups;b.save();b.globalAlpha=.5*this.editor_alpha;for(var c=0;c<a.length;++c){var d=a[c];if(H(this.visible_area,d._bounding)){b.fillStyle=d.color||"#335";b.strokeStyle=d.color||"#335";var e=d._pos,f=d._size;b.globalAlpha=.25*this.editor_alpha;b.beginPath();b.rect(e[0]+.5,e[1]+.5,f[0],f[1]);b.fill();b.globalAlpha=this.editor_alpha;b.stroke();b.beginPath();b.moveTo(e[0]+f[0],e[1]+f[1]);b.lineTo(e[0]+f[0]-10,e[1]+f[1]);b.lineTo(e[0]+f[0],e[1]+f[1]-10);b.fill();f=d.font_size||g.DEFAULT_GROUP_FONT_SIZE;
b.font=f+"px Arial";b.fillText(d.title,e[0]+4,e[1]+f)}}b.restore()}};l.prototype.adjustNodesSize=function(){for(var a=this.graph._nodes,b=0;b<a.length;++b)a[b].size=a[b].computeSize();this.setDirty(!0,!0)};l.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)};l.prototype.switchLiveMode=
function(a){if(a){var b=this,c=this.live_mode?1.1:.9;this.live_mode&&(this.live_mode=!1,this.editor_alpha=.1);var d=setInterval(function(){b.editor_alpha*=c;b.dirty_canvas=!0;b.dirty_bgcanvas=!0;1>c&&.01>b.editor_alpha&&(clearInterval(d),1>c&&(b.live_mode=!0));1<c&&.99<b.editor_alpha&&(clearInterval(d),b.editor_alpha=1)},1)}else this.live_mode=!this.live_mode,this.dirty_bgcanvas=this.dirty_canvas=!0};l.prototype.onNodeSelectionChange=function(a){};l.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 d=this.getCanvasWindow(),e=d.document.createEvent("MouseEvent");e.initMouseEvent(c,!0,!0,d,1,b.screenX,b.screenY,b.clientX,b.clientY,!1,!1,!1,!1,0,null);b.target.dispatchEvent(e);a.preventDefault()};l.onGroupAdd=function(a,b,c){a=l.active_canvas;a.getCanvasWindow();b=new g.LGraphGroup;b.pos=a.convertEventToCanvasOffset(c);a.graph.add(b)};l.onMenuAdd=function(a,
b,c,d,e){function f(a,b){var d=[];g.getNodeTypesCategories(h.filter||n.filter).filter(function(b){return b.startsWith(a)}).map(function(b){if(b){b=b.replace(new RegExp("^("+a+")"),"").split("/")[0];var c=""===a?b+"/":a+b+"/";-1!=b.indexOf("::")&&(b=b.split("::")[1]);-1===d.findIndex(function(a){return a.value===c})&&d.push({value:c,content:b,has_submenu:!0,callback:function(a,b,c,d){f(a.value,d)}})}});g.getNodeTypesInCategory(a.slice(0,-1),h.filter||n.filter).map(function(a){a.skip_list||d.push({value:a.type,
content:a.title,has_submenu:!1,callback:function(a,b,c,d){b=d.getFirstEvent();h.graph.beforeChange();if(a=g.createNode(a.value))a.pos=h.convertEventToCanvasOffset(b),h.graph.add(a);e&&e(a);h.graph.afterChange()}})});new g.ContextMenu(d,{event:c,parentMenu:b},k)}var h=l.active_canvas,k=h.getCanvasWindow(),n=h.graph;if(n)return f("",d),!1};l.onMenuCollapseAll=function(){};l.onMenuNodeEdit=function(){};l.showMenuNodeOptionalInputs=function(a,b,c,d,e){if(e){var f=this;a=l.active_canvas.getCanvasWindow();
b=e.optional_inputs;e.onGetInputs&&(b=e.onGetInputs());var h=[];if(b)for(var k=0;k<b.length;k++){var n=b[k];if(n){var u=n[0];n[2]&&n[2].label&&(u=n[2].label);u={content:u,value:n};n[1]==g.ACTION&&(u.className="event");h.push(u)}else h.push(null)}this.onMenuNodeInputs&&(h=this.onMenuNodeInputs(h));if(h.length)return new g.ContextMenu(h,{event:c,callback:function(a,b,c){e&&(a.callback&&a.callback.call(f,e,a,b,c),a.value&&(e.graph.beforeChange(),e.addInput(a.value[0],a.value[1],a.value[2]),e.setDirtyCanvas(!0,
!0),e.graph.afterChange()))},parentMenu:d,node:e},a),!1;console.log("no input entries")}};l.showMenuNodeOptionalOutputs=function(a,b,c,d,e){function f(a,b,c){if(e&&(a.callback&&a.callback.call(h,e,a,b,c),a.value))if(c=a.value[1],!c||c.constructor!==Object&&c.constructor!==Array)e.graph.beforeChange(),e.addOutput(a.value[0],a.value[1],a.value[2]),e.setDirtyCanvas(!0,!0),e.graph.afterChange();else{a=[];for(var k in c)a.push({content:k,value:c[k]});new g.ContextMenu(a,{event:b,callback:f,parentMenu:d,
node:e});return!1}}if(e){var h=this;a=l.active_canvas.getCanvasWindow();b=e.optional_outputs;e.onGetOutputs&&(b=e.onGetOutputs());var k=[];if(b)for(var n=0;n<b.length;n++){var u=b[n];if(!u)k.push(null);else if(!e.flags||!e.flags.skip_repeated_outputs||-1==e.findOutputSlot(u[0])){var q=u[0];u[2]&&u[2].label&&(q=u[2].label);q={content:q,value:u};u[1]==g.EVENT&&(q.className="event");k.push(q)}}this.onMenuNodeOutputs&&(k=this.onMenuNodeOutputs(k));if(k.length)return new g.ContextMenu(k,{event:c,callback:f,
parentMenu:d,node:e},a),!1}};l.onShowMenuNodeProperties=function(a,b,c,d,e){if(e&&e.properties){var f=l.active_canvas;b=f.getCanvasWindow();var h=[],k;for(k in e.properties){a=void 0!==e.properties[k]?e.properties[k]:" ";"object"==typeof a&&(a=JSON.stringify(a));var n=e.getPropertyInfo(k);if("enum"==n.type||"combo"==n.type)a=l.getPropertyPrintableValue(a,n.values);a=l.decodeHTML(a);h.push({content:"<span class='property_name'>"+(n.label?n.label:k)+"</span><span class='property_value'>"+a+"</span>",
value:k})}if(h.length)return new g.ContextMenu(h,{event:c,callback:function(a,b,c,d){e&&(b=this.getBoundingClientRect(),f.showEditPropertyValue(e,a.value,{position:[b.left,b.top]}))},parentMenu:d,allow_html:!0,node:e},b),!1}};l.decodeHTML=function(a){var b=document.createElement("div");b.innerText=a;return b.innerHTML};l.onResizeNode=function(a,b,c,d,e){if(e){e.size=e.computeSize();if(e.onResize)e.onResize(e.size);e.setDirtyCanvas(!0,!0)}};l.prototype.showLinkMenu=function(a,b){var c=this;console.log(a);
var d=new g.ContextMenu(["Add Node",null,"Delete"],{event:b,title:null!=a.data?a.data.constructor.name:null,callback:function(b,f,h){switch(b){case "Add Node":l.onMenuAdd(null,null,h,d,function(b){console.log("node autoconnect");var d=c.graph.getNodeById(a.origin_id),e=c.graph.getNodeById(a.target_id);b.inputs&&b.inputs.length&&b.outputs&&b.outputs.length&&d.outputs[a.origin_slot].type==b.inputs[0].type&&b.outputs[0].type==e.inputs[0].type&&(d.connect(a.origin_slot,b,0),b.connect(0,e,a.target_slot),
b.pos[0]-=.5*b.size[0])});break;case "Delete":c.graph.removeLink(a.id)}}});return!1};l.onShowPropertyEditor=function(a,b,c,d,e){function f(){var b=n.value;"Number"==a.type?b=Number(b):"Boolean"==a.type&&(b=!!b);e[h]=b;g.parentNode&&g.parentNode.removeChild(g);e.setDirtyCanvas(!0,!0)}var h=a.property||"title";b=e[h];var g=document.createElement("div");g.className="graphdialog";g.innerHTML="<span class='name'></span><input autofocus type='text' class='value'/><button>OK</button>";g.querySelector(".name").innerText=
h;var n=g.querySelector(".value");n&&(n.value=b,n.addEventListener("blur",function(a){this.focus()}),n.addEventListener("keydown",function(a){if(13==a.keyCode||"textarea"==a.target.localName)f(),a.preventDefault(),a.stopPropagation()}));b=l.active_canvas.canvas;c=b.getBoundingClientRect();var u=d=-20;c&&(d-=c.left,u-=c.top);event?(g.style.left=event.clientX+d+"px",g.style.top=event.clientY+u+"px"):(g.style.left=.5*b.width+d+"px",g.style.top=.5*b.height+u+"px");g.querySelector("button").addEventListener("click",
f);b.parentNode.appendChild(g)};l.prototype.prompt=function(a,b,c,d,e){var f=this;a=a||"";var h=!1,g=document.createElement("div");g.className="graphdialog rounded";g.innerHTML=e?"<span class='name'></span> <textarea autofocus class='value'></textarea><button class='rounded'>OK</button>":"<span class='name'></span> <input autofocus type='text' class='value'/><button class='rounded'>OK</button>";g.close=function(){f.prompt_box=null;g.parentNode&&g.parentNode.removeChild(g)};1<this.ds.scale&&(g.style.transform=
"scale("+this.ds.scale+")");g.addEventListener("mouseleave",function(a){h||g.close()});f.prompt_box&&f.prompt_box.close();f.prompt_box=g;g.querySelector(".name").innerText=a;var n=g.querySelector(".value");n.value=b;n.addEventListener("keydown",function(a){h=!0;if(27==a.keyCode)g.close();else if(13==a.keyCode&&"textarea"!=a.target.localName)c&&c(this.value),g.close();else return;a.preventDefault();a.stopPropagation()});g.querySelector("button").addEventListener("click",function(a){c&&c(n.value);f.setDirty(!0);
g.close()});a=l.active_canvas.canvas;b=a.getBoundingClientRect();var u=e=-20;b&&(e-=b.left,u-=b.top);d?(g.style.left=d.clientX+e+"px",g.style.top=d.clientY+u+"px"):(g.style.left=.5*a.width+e+"px",g.style.top=.5*a.height+u+"px");a.parentNode.appendChild(g);setTimeout(function(){n.focus()},10);return g};l.search_limit=-1;l.prototype.showSearchBox=function(a){function b(b){if(b)if(e.onSearchBoxSelection)e.onSearchBoxSelection(b,a,f);else{var c=g.searchbox_extras[b.toLowerCase()];c&&(b=c.type);f.graph.beforeChange();
if(b=g.createNode(b))b.pos=f.convertEventToCanvasOffset(a),f.graph.add(b);if(c&&c.data){if(c.data.properties)for(var d in c.data.properties)b.addProperty(d,c.data.properties[d]);if(c.data.inputs)for(d in b.inputs=[],c.data.inputs)b.addOutput(c.data.inputs[d][0],c.data.inputs[d][1]);if(c.data.outputs)for(d in b.outputs=[],c.data.outputs)b.addOutput(c.data.outputs[d][0],c.data.outputs[d][1]);c.data.title&&(b.title=c.data.title);c.data.json&&b.configure(c.data.json);f.graph.afterChange()}}n.close()}
function c(a){var b=p;p&&p.classList.remove("selected");p?(p=a?p.nextSibling:p.previousSibling)||(p=b):p=a?q.childNodes[0]:q.childNodes[q.childNodes.length];p&&(p.classList.add("selected"),p.scrollIntoView({block:"end",behavior:"smooth"}))}function d(){function a(a,c){var d=document.createElement("div");m||(m=a);d.innerText=a;d.dataset.type=escape(a);d.className="litegraph lite-search-item";c&&(d.className+=" "+c);d.addEventListener("click",function(a){b(unescape(this.dataset.type))});q.appendChild(d)}
r=null;var c=t.value;m=null;q.innerHTML="";if(c)if(e.onSearchBox){var d=e.onSearchBox(q,c,f);if(d)for(var h=0;h<d.length;++h)a(d[h])}else{d=function(a){var b=g.registered_node_types[a];return n&&b.filter!=n?!1:-1!==a.toLowerCase().indexOf(c)};var k=0;c=c.toLowerCase();var n=f.filter||f.graph.filter;for(h in g.searchbox_extras){var u=g.searchbox_extras[h];if(-1!==u.desc.toLowerCase().indexOf(c)){var p=g.registered_node_types[u.type];if(!p||p.filter==n)if(a(u.desc,"searchbox_extra"),-1!==l.search_limit&&
k++>l.search_limit)break}}u=null;if(Array.prototype.filter)u=Object.keys(g.registered_node_types).filter(d);else for(h in u=[],g.registered_node_types)d(h)&&u.push(h);for(h=0;h<u.length&&!(a(u[h]),-1!==l.search_limit&&k++>l.search_limit);h++);}}var e=this,f=l.active_canvas,h=f.canvas,k=h.ownerDocument||document,n=document.createElement("div");n.className="litegraph litesearchbox graphdialog rounded";n.innerHTML="<span class='name'>Search</span> <input autofocus type='text' class='value rounded'/><div class='helper'></div>";
n.close=function(){e.search_box=null;k.body.focus();k.body.style.overflow="";setTimeout(function(){e.canvas.focus()},20);n.parentNode&&n.parentNode.removeChild(n)};var u=null;1<this.ds.scale&&(n.style.transform="scale("+this.ds.scale+")");n.addEventListener("mouseenter",function(a){u&&(clearTimeout(u),u=null)});n.addEventListener("mouseleave",function(a){u=setTimeout(function(){n.close()},500)});e.search_box&&e.search_box.close();e.search_box=n;var q=n.querySelector(".helper"),m=null,r=null,p=null,
t=n.querySelector("input");t&&(t.addEventListener("blur",function(a){this.focus()}),t.addEventListener("keydown",function(a){if(38==a.keyCode)c(!1);else if(40==a.keyCode)c(!0);else if(27==a.keyCode)n.close();else if(13==a.keyCode)p?b(p.innerHTML):m?b(m):n.close();else{r&&clearInterval(r);r=setTimeout(d,10);return}a.preventDefault();a.stopPropagation();a.stopImmediatePropagation();return!0}));k.fullscreenElement?k.fullscreenElement.appendChild(n):(k.body.appendChild(n),k.body.style.overflow="hidden");
h=h.getBoundingClientRect();var w=(a?a.clientY:h.top+.5*h.height)-20;n.style.left=(a?a.clientX:h.left+.5*h.width)-80+"px";n.style.top=w+"px";a.layerY>h.height-200&&(q.style.maxHeight=h.height-a.layerY-20+"px");t.focus();return n};l.prototype.showEditPropertyValue=function(a,b,c){function d(){e(m.value)}function e(d){f&&f.values&&f.values.constructor===Object&&void 0!=f.values[d]&&(d=f.values[d]);"number"==typeof a.properties[b]&&(d=Number(d));if("array"==h||"object"==h)d=JSON.parse(d);a.properties[b]=
d;a.graph&&a.graph._version++;if(a.onPropertyChanged)a.onPropertyChanged(b,d);if(c.onclose)c.onclose();q.close();a.setDirtyCanvas(!0,!0)}if(a&&void 0!==a.properties[b]){c=c||{};var f=a.getPropertyInfo(b),h=f.type,g="";if("string"==h||"number"==h||"array"==h||"object"==h)g="<input autofocus type='text' class='value'/>";else if("enum"!=h&&"combo"!=h||!f.values)if("boolean"==h)g="<input autofocus type='checkbox' class='value' "+(a.properties[b]?"checked":"")+"/>";else{console.warn("unknown type: "+h);
return}else{g="<select autofocus type='text' class='value'>";for(var n in f.values){var l=n;f.values.constructor===Array&&(l=f.values[n]);g+="<option value='"+l+"' "+(l==a.properties[b]?"selected":"")+">"+f.values[n]+"</option>"}g+="</select>"}var q=this.createDialog("<span class='name'>"+(f.label?f.label:b)+"</span>"+g+"<button>OK</button>",c);if("enum"!=h&&"combo"!=h||!f.values)if("boolean"==h)(m=q.querySelector("input"))&&m.addEventListener("click",function(a){e(!!m.checked)});else{if(m=q.querySelector("input"))m.addEventListener("blur",
function(a){this.focus()}),l=void 0!==a.properties[b]?a.properties[b]:"","string"!==h&&(l=JSON.stringify(l)),m.value=l,m.addEventListener("keydown",function(a){13==a.keyCode&&(d(),a.preventDefault(),a.stopPropagation())})}else{var m=q.querySelector("select");m.addEventListener("change",function(a){e(a.target.value)})}q.querySelector("button").addEventListener("click",d);return q}};l.prototype.createDialog=function(a,b){b=b||{};var c=document.createElement("div");c.className="graphdialog";c.innerHTML=
a;a=this.canvas.getBoundingClientRect();var d=-20,e=-20;a&&(d-=a.left,e-=a.top);b.position?(d+=b.position[0],e+=b.position[1]):b.event?(d+=b.event.clientX,e+=b.event.clientY):(d+=.5*this.canvas.width,e+=.5*this.canvas.height);c.style.left=d+"px";c.style.top=e+"px";this.canvas.parentNode.appendChild(c);c.close=function(){this.parentNode&&this.parentNode.removeChild(this)};return c};l.prototype.createPanel=function(a,b){b=b||{};var c=b.window||window,d=document.createElement("div");d.className="litegraph dialog";
d.innerHTML="<div class='dialog-header'><span class='dialog-title'></span></div><div class='dialog-content'></div><div class='dialog-footer'></div>";d.header=d.querySelector(".dialog-header");b.width&&(d.style.width=b.width+(b.width.constructor===Number?"px":""));b.height&&(d.style.height=b.height+(b.height.constructor===Number?"px":""));b.closable&&(b=document.createElement("span"),b.innerHTML="&#10005;",b.classList.add("close"),b.addEventListener("click",function(){d.close()}),d.header.appendChild(b));
d.title_element=d.querySelector(".dialog-title");d.title_element.innerText=a;d.content=d.querySelector(".dialog-content");d.footer=d.querySelector(".dialog-footer");d.close=function(){this.parentNode&&this.parentNode.removeChild(this)};d.clear=function(){this.content.innerHTML=""};d.addHTML=function(a,b,c){var e=document.createElement("div");b&&(e.className=b);e.innerHTML=a;c?d.footer.appendChild(e):d.content.appendChild(e);return e};d.addButton=function(a,b,c){var e=document.createElement("button");
e.innerText=a;e.options=c;e.classList.add("btn");e.addEventListener("click",b);d.footer.appendChild(e);return e};d.addSeparator=function(){var a=document.createElement("div");a.className="separator";d.content.appendChild(a)};d.addWidget=function(a,b,h,k,n){function e(a,b){console.log("change",a,b);k.callback&&k.callback(a,b);n&&n(a,b)}k=k||{};var f=String(h);a=a.toLowerCase();"number"==a&&(f=h.toFixed(3));var m=document.createElement("div");m.className="property";m.innerHTML="<span class='property_name'></span><span class='property_value'></span>";
m.querySelector(".property_name").innerText=k.label||b;var p=m.querySelector(".property_value");p.innerText=f;m.dataset.property=b;m.dataset.type=k.type||a;m.options=k;m.value=h;if("boolean"==a)m.classList.add("boolean"),h&&m.classList.add("bool-on"),m.addEventListener("click",function(){var a=this.dataset.property;this.value=!this.value;this.classList.toggle("bool-on");this.querySelector(".property_value").innerText=this.value?"true":"false";e(a,this.value)});else if("string"==a||"number"==a)p.setAttribute("contenteditable",
!0),p.addEventListener("keydown",function(a){"Enter"==a.code&&(a.preventDefault(),this.blur())}),p.addEventListener("blur",function(){var a=this.innerText,b=this.parentNode.dataset.property;"number"==this.parentNode.dataset.type&&(a=Number(a));e(b,a)});else if("enum"==a||"combo"==a)f=l.getPropertyPrintableValue(h,k.values),p.innerText=f,p.addEventListener("click",function(a){var b=this.parentNode.dataset.property,d=this;new g.ContextMenu(k.values||[],{event:a,className:"dark",callback:function(a,
c,f){d.innerText=a;e(b,a);return!1}},c)});d.content.appendChild(m);return m};return d};l.getPropertyPrintableValue=function(a,b){if(!b||b.constructor===Array)return String(a);if(b.constructor===Object){var c="",d;for(d in b)if(b[d]==a){c=d;break}return String(a)+" ("+c+")"}};l.prototype.showShowNodePanel=function(a){window.SELECTED_NODE=a;var b=document.querySelector("#node-panel");b&&b.close();var c=this.getCanvasWindow();b=this.createPanel(a.title||"",{closable:!0,window:c});b.id="node-panel";b.node=
a;b.classList.add("settings");var d=this;(function(){b.content.innerHTML="";b.addHTML("<span class='node_type'>"+a.type+"</span><span class='node_desc'>"+(a.constructor.desc||"")+"</span><span class='separator'></span>");b.addHTML("<h3>Properties</h3>");for(var c in a.properties){var f=a.properties[c],h=a.getPropertyInfo(c);a.onAddPropertyToPanel&&a.onAddPropertyToPanel(c,b)||b.addWidget(h.widget||h.type,c,f,h,function(b,c){d.graph.beforeChange(a);a.setProperty(b,c);d.graph.afterChange();d.dirty_canvas=
!0})}b.addSeparator();if(a.onShowCustomPanelInfo)a.onShowCustomPanelInfo(b);b.addButton("Delete",function(){a.block_delete||(a.graph.remove(a),b.close())}).classList.add("delete")})();this.canvas.parentNode.appendChild(b)};l.prototype.showSubgraphPropertiesDialog=function(a){function b(){d.clear();if(a.inputs)for(var c=0;c<a.inputs.length;++c){var f=a.inputs[c];if(!f.not_subgraph_input){var h=d.addHTML("<button>&#10005;</button> <span class='bullet_icon'></span><span class='name'></span><span class='type'></span>",
"subgraph_property");h.dataset.name=f.name;h.dataset.slot=c;h.querySelector(".name").innerText=f.name;h.querySelector(".type").innerText=f.type;h.querySelector("button").addEventListener("click",function(c){a.removeInput(Number(this.parentNode.dataset.slot));b()})}}}console.log("showing subgraph properties dialog");var c=this.canvas.parentNode.querySelector(".subgraph_dialog");c&&c.close();var d=this.createPanel("Subgraph Inputs",{closable:!0,width:500});d.node=a;d.classList.add("subgraph_dialog");
d.addHTML(" + <span class='label'>Name</span><input class='name'/><span class='label'>Type</span><input class='type'></input><button>+</button>","subgraph_property extra",!0).querySelector("button").addEventListener("click",function(c){c=this.parentNode;var d=c.querySelector(".name").value,e=c.querySelector(".type").value;d&&-1==a.findInputSlot(d)&&(a.addInput(d,e),c.querySelector(".name").value="",c.querySelector(".type").value="",b())});b();this.canvas.parentNode.appendChild(d);return d};l.prototype.showSubgraphPropertiesDialogRight=
function(a){function b(){e.clear();if(a.outputs)for(var c=0;c<a.outputs.length;++c){var d=a.outputs[c];if(!d.not_subgraph_output){var g=e.addHTML("<button>&#10005;</button> <span class='bullet_icon'></span><span class='name'></span><span class='type'></span>","subgraph_property");g.dataset.name=d.name;g.dataset.slot=c;g.querySelector(".name").innerText=d.name;g.querySelector(".type").innerText=d.type;g.querySelector("button").addEventListener("click",function(c){a.removeOutput(Number(this.parentNode.dataset.slot));
b()})}}}function c(){var c=this.parentNode,d=c.querySelector(".name").value,e=c.querySelector(".type").value;d&&-1==a.findOutputSlot(d)&&(a.addOutput(d,e),c.querySelector(".name").value="",c.querySelector(".type").value="",b())}var d=this.canvas.parentNode.querySelector(".subgraph_dialog");d&&d.close();var e=this.createPanel("Subgraph Outputs",{closable:!0,width:500});e.node=a;e.classList.add("subgraph_dialog");d=e.addHTML(" + <span class='label'>Name</span><input class='name'/><span class='label'>Type</span><input class='type'></input><button>+</button>",
"subgraph_property extra",!0);d.querySelector(".name").addEventListener("keydown",function(a){13==a.keyCode&&c.apply(this)});d.querySelector("button").addEventListener("click",function(a){c.apply(this)});b();this.canvas.parentNode.appendChild(e);return e};l.prototype.checkPanels=function(){if(this.canvas)for(var a=this.canvas.parentNode.querySelectorAll(".litegraph.dialog"),b=0;b<a.length;++b){var c=a[b];c.node&&(c.node.graph&&c.graph==this.graph||c.close())}};l.onMenuNodeCollapse=function(a,b,c,
d,e){e.graph.beforeChange(e);e.collapse();e.graph.afterChange(e)};l.onMenuNodePin=function(a,b,c,d,e){e.pin()};l.onMenuNodeMode=function(a,b,c,d,e){new g.ContextMenu(["Always","On Event","On Trigger","Never"],{event:c,callback:function(a){if(e)switch(a){case "On Event":e.mode=g.ON_EVENT;break;case "On Trigger":e.mode=g.ON_TRIGGER;break;case "Never":e.mode=g.NEVER;break;default:e.mode=g.ALWAYS}},parentMenu:d,node:e});return!1};l.onMenuNodeColors=function(a,b,c,d,e){if(!e)throw"no node for color";b=
[];b.push({value:null,content:"<span style='display: block; padding-left: 4px;'>No color</span>"});for(var f in l.node_colors)a=l.node_colors[f],a={value:f,content:"<span style='display: block; color: #999; padding-left: 4px; border-left: 8px solid "+a.color+"; background-color:"+a.bgcolor+"'>"+f+"</span>"},b.push(a);new g.ContextMenu(b,{event:c,callback:function(a){e&&((a=a.value?l.node_colors[a.value]:null)?e.constructor===g.LGraphGroup?e.color=a.groupcolor:(e.color=a.color,e.bgcolor=a.bgcolor):
(delete e.color,delete e.bgcolor),e.setDirtyCanvas(!0,!0))},parentMenu:d,node:e});return!1};l.onMenuNodeShapes=function(a,b,c,d,e){if(!e)throw"no node passed";new g.ContextMenu(g.VALID_SHAPES,{event:c,callback:function(a){e&&(e.graph.beforeChange(e),e.shape=a,e.graph.afterChange(e),e.setDirtyCanvas(!0))},parentMenu:d,node:e});return!1};l.onMenuNodeRemove=function(a,b,c,d,e){if(!e)throw"no node passed";!1!==e.removable&&(a=e.graph,a.beforeChange(),a.remove(e),a.afterChange(),e.setDirtyCanvas(!0,!0))};
l.onMenuNodeToSubgraph=function(a,b,c,d,e){a=e.graph;if(b=l.active_canvas)c=Object.values(b.selected_nodes||{}),c.length||(c=[e]),d=g.createNode("graph/subgraph"),d.pos=e.pos.concat(),a.add(d),d.buildFromNodes(c),b.deselectAllNodes(),e.setDirtyCanvas(!0,!0)};l.onMenuNodeClone=function(a,b,c,d,e){0!=e.clonable&&(a=e.clone())&&(a.pos=[e.pos[0]+5,e.pos[1]+5],e.graph.beforeChange(),e.graph.add(a),e.graph.afterChange(),e.setDirtyCanvas(!0,!0))};l.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"}};l.prototype.getCanvasMenuOptions=function(){if(this.getMenuOptions)var a=
this.getMenuOptions();else a=[{content:"Add Node",has_submenu:!0,callback:l.onMenuAdd},{content:"Add Group",callback:l.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};l.prototype.getNodeMenuOptions=function(a){var b=null;b=a.getMenuOptions?a.getMenuOptions(this):[{content:"Inputs",has_submenu:!0,disabled:!0,callback:l.showMenuNodeOptionalInputs},
{content:"Outputs",has_submenu:!0,disabled:!0,callback:l.showMenuNodeOptionalOutputs},null,{content:"Properties",has_submenu:!0,callback:l.onShowMenuNodeProperties},null,{content:"Title",callback:l.onShowPropertyEditor},{content:"Mode",has_submenu:!0,callback:l.onMenuNodeMode},{content:"Resize",callback:function(){if(a.resizable)return l.onResizeNode}},{content:"Collapse",callback:l.onMenuNodeCollapse},{content:"Pin",callback:l.onMenuNodePin},{content:"Colors",has_submenu:!0,callback:l.onMenuNodeColors},
{content:"Shapes",has_submenu:!0,callback:l.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,b))&&(c.push(null),b=c.concat(b));!1!==a.clonable&&b.push({content:"Clone",callback:l.onMenuNodeClone});b.push(null,{content:"Remove",disabled:!(!1!==a.removable&&!a.block_delete),callback:l.onMenuNodeRemove});if(a.graph&&a.graph.onGetNodeMenuOptions)a.graph.onGetNodeMenuOptions(b,
a);return b};l.prototype.getGroupMenuOptions=function(a){return[{content:"Title",callback:l.onShowPropertyEditor},{content:"Color",has_submenu:!0,callback:l.onMenuNodeColors},{content:"Font size",property:"font_size",type:"Number",callback:l.onShowPropertyEditor},null,{content:"Remove",callback:l.onMenuNodeRemove}]};l.prototype.processContextMenu=function(a,b){var c=this,d=l.active_canvas.getCanvasWindow(),e=null,f={event:b,callback:function(b,d,e){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 f=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>",d),h=g.querySelector("input");h&&f&&(h.value=f.label||"");g.querySelector("button").addEventListener("click",function(a){h.value&&
(f&&(f.label=h.value),c.setDirty(!0));g.close()})}},extra:a};a&&(f.title=a.type);var h=null;a&&(h=a.getSlotInPosition(b.canvasX,b.canvasY),l.active_node=a);h?(e=[],a.getSlotMenuOptions?e=a.getSlotMenuOptions(h):(h&&h.output&&h.output.links&&h.output.links.length&&e.push({content:"Disconnect Links",slot:h}),b=h.input||h.output,e.push(b.locked?"Cannot remove":{content:"Remove Slot",slot:h}),e.push(b.nameLocked?"Cannot rename":{content:"Rename Slot",slot:h})),f.title=(h.input?h.input.type:h.output.type)||
"*",h.input&&h.input.type==g.ACTION&&(f.title="Action"),h.output&&h.output.type==g.EVENT&&(f.title="Event")):a?e=this.getNodeMenuOptions(a):(e=this.getCanvasMenuOptions(),(h=this.graph.getGroupOnPos(b.canvasX,b.canvasY))&&e.push(null,{content:"Edit Group",has_submenu:!0,submenu:{title:"Group",extra:h,options:this.getGroupMenuOptions(h)}}));e&&new g.ContextMenu(e,f,d)};"undefined"!=typeof window&&window.CanvasRenderingContext2D&&!window.CanvasRenderingContext2D.prototype.roundRect&&(window.CanvasRenderingContext2D.prototype.roundRect=
function(a,b,c,d,e,f){var g,k;if(0===e)this.rect(a,b,c,d);else{void 0===f&&(f=e);if(null!=e&&e.constructor===Array)if(1==e.length)var n=g=k=f=e[0];else if(2==e.length)n=f=e[0],g=k=e[1];else if(4==e.length)n=e[0],g=e[1],k=e[2],f=e[3];else return;else n=e||0,g=e||0,k=f||0,f=f||0;this.moveTo(a+n,b);this.lineTo(a+c-g,b);this.quadraticCurveTo(a+c,b,a+c,b+g);this.lineTo(a+c,b+d-f);this.quadraticCurveTo(a+c,b+d,a+c-f,b+d);this.lineTo(a+f,b+d);this.quadraticCurveTo(a,b+d,a,b+d-k);this.lineTo(a,b+k);this.quadraticCurveTo(a,
b,a+n,b)}});g.compareObjects=function(a,b){for(var c in a)if(a[c]!=b[c])return!1;return!0};g.distance=J;g.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")+")"};g.isInsideRectangle=C;g.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)};g.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};g.overlapBounding=H;g.hex2num=function(a){"#"==a.charAt(0)&&(a=a.slice(1));a=a.toUpperCase();for(var b=Array(3),c=0,d,e,f=0;6>f;f+=2)d="0123456789ABCDEF".indexOf(a.charAt(f)),e="0123456789ABCDEF".indexOf(a.charAt(f+1)),b[c]=16*d+e,c++;return b};g.num2hex=function(a){for(var b="#",c,d,e=0;3>e;e++)c=a[e]/16,d=a[e]%16,b+="0123456789ABCDEF".charAt(c)+"0123456789ABCDEF".charAt(d);return b};E.prototype.addItem=function(a,b,c){function d(a){var b=this.value;b&&b.has_submenu&&e.call(this,a)}function e(a){var b=
this.value,d=!0;f.current_submenu&&f.current_submenu.close(a);if(c.callback){var e=c.callback.call(this,b,c,a,f,c.node);!0===e&&(d=!1)}if(b&&(b.callback&&!c.ignore_item_callbacks&&!0!==b.disabled&&(e=b.callback.call(this,b,c,a,f,c.extra),!0===e&&(d=!1)),b.submenu)){if(!b.submenu.options)throw"ContextMenu submenu needs options";new f.constructor(b.submenu.options,{callback:b.submenu.callback,event:a,parentMenu:f,ignore_item_callbacks:b.submenu.ignore_item_callbacks,title:b.submenu.title,extra:b.submenu.extra,
autoopen:c.autoopen});d=!1}d&&!f.lock&&f.close()}var f=this;c=c||{};var g=document.createElement("div");g.className="litemenu-entry submenu";var k=!1;if(null===b)g.classList.add("separator");else{g.innerHTML=b&&b.title?b.title:a;if(g.value=b)b.disabled&&(k=!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);k||g.addEventListener("click",
e);c.autoopen&&g.addEventListener("mouseenter",d);return g};E.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&&!E.isCursorOverElement(a,this.parentMenu.root)&&E.trigger(this.parentMenu.root,"mouseleave",a));this.current_submenu&&this.current_submenu.close(a,!0);this.root.closing_timer&&clearTimeout(this.root.closing_timer)};E.trigger=
function(a,b,c,d){var e=document.createEvent("CustomEvent");e.initCustomEvent(b,!0,!0,c);e.srcElement=d;a.dispatchEvent?a.dispatchEvent(e):a.__events&&a.__events.dispatchEvent(e);return e};E.prototype.getTopMenu=function(){return this.options.parentMenu?this.options.parentMenu.getTopMenu():this};E.prototype.getFirstEvent=function(){return this.options.parentMenu?this.options.parentMenu.getFirstEvent():this.options.event};E.isCursorOverElement=function(a,b){var c=a.clientX;a=a.clientY;return(b=b.getBoundingClientRect())?
a>b.top&&a<b.top+b.height&&c>b.left&&c<b.left+b.width?!0:!1:!1};g.ContextMenu=E;g.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=0;c<b.length;c++)b[c].close?b[c].close():b[c].parentNode&&b[c].parentNode.removeChild(b[c])}};g.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)))};G.sampleCurve=function(a,b){if(b){for(var c=0;c<b.length-1;++c){var d=b[c],e=b[c+1];if(!(e[0]<a)){b=e[0]-d[0];if(1E-5>Math.abs(b))return d[1];a=(a-d[0])/b;return d[1]*(1-a)+e[1]*a}}return 0}};G.prototype.draw=function(a,b,c,d,e,f){if(c=this.points){this.size=b;var g=b[0]-2*this.margin;
b=b[1]-2*this.margin;e=e||"#666";a.save();a.translate(this.margin,this.margin);d&&(a.fillStyle="#111",a.fillRect(0,0,g,b),a.fillStyle="#222",a.fillRect(.5*g,0,1,b),a.strokeStyle="#333",a.strokeRect(0,0,g,b));a.strokeStyle=e;f&&(a.globalAlpha=.5);a.beginPath();for(d=0;d<c.length;++d)e=c[d],a.lineTo(e[0]*g,(1-e[1])*b);a.stroke();a.globalAlpha=1;if(!f)for(d=0;d<c.length;++d)e=c[d],a.fillStyle=this.selected==d?"#FFF":this.nearest==d?"#DDD":"#AAA",a.beginPath(),a.arc(e[0]*g,(1-e[1])*b,2,0,2*Math.PI),a.fill();
a.restore()}};G.prototype.onMouseDown=function(a,b){var c=this.points;if(c&&!(0>a[1])){var d=this.size[0]-2*this.margin,e=this.size[1]-2*this.margin,f=a[0]-this.margin;a=a[1]-this.margin;this.selected=this.getCloserPoint([f,a],30/b.ds.scale);-1==this.selected&&(b=[f/d,1-a/e],c.push(b),c.sort(function(a,b){return a[0]-b[0]}),this.selected=c.indexOf(b),this.must_update=!0);if(-1!=this.selected)return!0}};G.prototype.onMouseMove=function(a,b){var c=this.points;if(c){var d=this.selected;if(!(0>d)){var e=
(a[0]-this.margin)/(this.size[0]-2*this.margin),f=(a[1]-this.margin)/(this.size[1]-2*this.margin);this._nearest=this.getCloserPoint([a[0]-this.margin,a[1]-this.margin],30/b.ds.scale);if(b=c[d]){var g=0==d||d==c.length-1;!g&&(-10>a[0]||a[0]>this.size[0]+10||-10>a[1]||a[1]>this.size[1]+10)?(c.splice(d,1),this.selected=-1):(b[0]=g?0==d?0:1:Math.clamp(e,0,1),b[1]=1-Math.clamp(f,0,1),c.sort(function(a,b){return a[0]-b[0]}),this.selected=c.indexOf(b),this.must_update=!0)}}}};G.prototype.onMouseUp=function(a,
b){this.selected=-1;return!1};G.prototype.getCloserPoint=function(a,b){var c=this.points;if(!c)return-1;b=b||30;for(var d=this.size[0]-2*this.margin,e=this.size[1]-2*this.margin,f=c.length,g=[0,0],k=1E6,l=-1,p=0;p<f;++p){var q=c[p];g[0]=q[0]*d;g[1]=(1-q[1])*e;q=vec2.distance(a,g);q>k||q>b||(l=p,k=q)}return l};g.CurveEditor=G;g.getParameterNames=function(a){return(a+"").replace(/[/][/].*$/gm,"").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,1E3/60)})})(this);"undefined"!=typeof exports&&(exports.LiteGraph=this.LiteGraph);