diff --git a/build/litegraph.js b/build/litegraph.js
index 7cf799a160..e4e2269210 100644
--- a/build/litegraph.js
+++ b/build/litegraph.js
@@ -5581,6 +5581,10 @@ LGraphNode.prototype.executeAction = function(action)
                     this.resizing_node.size[0] = LiteGraph.NODE_MIN_WIDTH;
                 }
 
+		        if (this.resizing_node.onResize) {
+		            this.resizing_node.onResize(this.resizing_node.size);
+				}
+
                 this.canvas.style.cursor = "se-resize";
                 this.dirty_canvas = true;
                 this.dirty_bgcanvas = true;
@@ -10539,11 +10543,13 @@ LGraphNode.prototype.executeAction = function(action)
 
             var body_rect = document.body.getBoundingClientRect();
             var root_rect = root.getBoundingClientRect();
+			if(body_rect.height == 0)
+				console.error("document.body height is 0. That is dangerous, set html,body { height: 100%; }");
 
-            if (left > body_rect.width - root_rect.width - 10) {
+            if (body_rect.width && left > body_rect.width - root_rect.width - 10) {
                 left = body_rect.width - root_rect.width - 10;
             }
-            if (top > body_rect.height - root_rect.height - 10) {
+            if (body_rect.height && top > body_rect.height - root_rect.height - 10) {
                 top = body_rect.height - root_rect.height - 10;
             }
         }
diff --git a/build/litegraph.min.js b/build/litegraph.min.js
index 2054e16b35..92bc038e6f 100755
--- a/build/litegraph.min.js
+++ b/build/litegraph.min.js
@@ -8,240 +8,241 @@ this.visible_links=[];b&&b.attachCanvas(this);this.setCanvas(a);this.clear();d.s
 b.event=null);var r=document.createElement("div");r.className="litegraph litecontextmenu litemenubar-panel";b.className&&(r.className+=" "+b.className);r.style.minWidth=100;r.style.minHeight=100;r.style.pointerEvents="none";setTimeout(function(){r.style.pointerEvents="auto"},100);r.addEventListener("mouseup",function(a){a.preventDefault();return!0},!0);r.addEventListener("contextmenu",function(a){if(2!=a.button)return!1;a.preventDefault();return!1},!0);r.addEventListener("mousedown",function(a){if(2==
 a.button)return g.close(),a.preventDefault(),!0},!0);b.scroll_speed||(b.scroll_speed=0.1);r.addEventListener("wheel",d,!0);r.addEventListener("mousewheel",d,!0);this.root=r;b.title&&(f=document.createElement("div"),f.className="litemenu-title",f.innerHTML=b.title,r.appendChild(f));var f=0,h;for(h in a){var c=a.constructor==Array?a[h]:h;null!=c&&c.constructor!==String&&(c=void 0===c.content?String(c):c.content);this.addItem(c,a[h],b);f++}r.addEventListener("mouseleave",function(a){g.lock||(r.closing_timer&&
 clearTimeout(r.closing_timer),r.closing_timer=setTimeout(g.close.bind(g,a),500))});r.addEventListener("mouseenter",function(a){r.closing_timer&&clearTimeout(r.closing_timer)});h=document;b.event&&(h=b.event.target.ownerDocument);h||(h=document);h.fullscreenElement?h.fullscreenElement.appendChild(r):h.body.appendChild(r);f=b.left||0;h=b.top||0;if(b.event){f=b.event.clientX-10;h=b.event.clientY-10;b.title&&(h-=20);b.parentMenu&&(f=b.parentMenu.root.getBoundingClientRect(),f=f.left+f.width);var c=document.body.getBoundingClientRect(),
-k=r.getBoundingClientRect();f>c.width-k.width-10&&(f=c.width-k.width-10);h>c.height-k.height-10&&(h=c.height-k.height-10)}r.style.left=f+"px";r.style.top=h+"px";b.scale&&(r.style.transform="scale("+b.scale+")")}function A(a){this.points=a;this.nearest=this.selected=-1;this.size=null;this.must_update=!0;this.margin=5}var h=B.LiteGraph={VERSION:0.4,CANVAS_GRID_SIZE:10,NODE_TITLE_HEIGHT:30,NODE_TITLE_TEXT_Y:20,NODE_SLOT_HEIGHT:20,NODE_WIDGET_HEIGHT:20,NODE_WIDTH:140,NODE_MIN_WIDTH:50,NODE_COLLAPSED_RADIUS:10,
-NODE_COLLAPSED_WIDTH:80,NODE_TITLE_COLOR:"#999",NODE_TEXT_SIZE:14,NODE_TEXT_COLOR:"#AAA",NODE_SUBTEXT_SIZE:12,NODE_DEFAULT_COLOR:"#333",NODE_DEFAULT_BGCOLOR:"#353535",NODE_DEFAULT_BOXCOLOR:"#666",NODE_DEFAULT_SHAPE:"box",DEFAULT_SHADOW_COLOR:"rgba(0,0,0,0.5)",DEFAULT_GROUP_FONT:24,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:{},searchbox_extras:{},
-registerNodeType:function(a,b){if(!b.prototype)throw"Cannot register a simple object, it must be a class with a prototype";b.type=a;h.debug&&console.log("Node registered: "+a);a.split("/");var d=b.name,g=a.lastIndexOf("/");b.category=a.substr(0,g);b.title||(b.title=d);if(b.prototype)for(var f in n.prototype)b.prototype[f]||(b.prototype[f]=n.prototype[f]);if(g=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=h.BOX_SHAPE;break;case "round":this._shape=h.ROUND_SHAPE;break;case "circle":this._shape=h.CIRCLE_SHAPE;break;case "card":this._shape=h.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(f in b.supported_extensions){var r=
-b.supported_extensions[f];r&&r.constructor===String&&(this.node_types_by_file_extension[r.toLowerCase()]=b)}this.registered_node_types[a]=b;b.constructor.name&&(this.Nodes[d]=b);if(h.onNodeTypeRegistered)h.onNodeTypeRegistered(a,b);if(g&&h.onNodeTypeReplaced)h.onNodeTypeReplaced(a,b,g)},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,d,g,f){for(var r=Array(b.length),s="",c=h.getParameterNames(b),k=0;k<c.length;++k)s+="this.addInput('"+c[k]+"',"+(d&&d[k]?"'"+d[k]+"'":"0")+");\n";s+="this.addOutput('out',"+(g?"'"+g+"'":0)+");\n";f&&(s+="this.properties = "+JSON.stringify(f)+";\n");d=Function(s);d.title=a.split("/").pop();d.desc="Generated from "+b.name;d.prototype.onExecute=function(){for(var a=0;a<r.length;++a)r[a]=this.getInputData(a);a=b.apply(this,r);this.setOutputData(0,a)};this.registerNodeType(a,
-d)},addNodeMethod:function(a,b){n.prototype[a]=b;for(var d in this.registered_node_types){var g=this.registered_node_types[d];g.prototype[a]&&(g.prototype["_"+a]=g.prototype[a]);g.prototype[a]=b}},createNode:function(a,b,d){var g=this.registered_node_types[a];if(!g)return h.debug&&console.log('GraphNode type "'+a+'" not registered.'),null;b=b||g.title||a;var f=null;if(h.catch_exceptions)try{f=new g(b)}catch(r){return console.error(r),null}else f=new g(b);f.type=a;!f.title&&b&&(f.title=b);f.properties||
-(f.properties={});f.properties_info||(f.properties_info=[]);f.flags||(f.flags={});f.size||(f.size=f.computeSize());f.pos||(f.pos=h.DEFAULT_POSITION.concat());f.mode||(f.mode=h.ALWAYS);if(d)for(var s in d)f[s]=d[s];return f},getNodeType:function(a){return this.registered_node_types[a]},getNodeTypesInCategory:function(a,b){var d=[],g;for(g in this.registered_node_types){var f=this.registered_node_types[g];b&&f.filter&&f.filter!=b||(""==a?null==f.category&&d.push(f):f.category==a&&d.push(f))}return d},
-getNodeTypesCategories:function(a){var b={"":1},d;for(d in this.registered_node_types){var g=this.registered_node_types[d];!g.category||g.skip_list||a&&g.filter!=a||(b[g.category]=1)}a=[];for(d in b)a.push(d);return a},reloadNodes:function(a){var b=document.getElementsByTagName("script"),d=[],g;for(g in b)d.push(b[g]);b=document.getElementsByTagName("head")[0];a=document.location.href+a;for(g in d){var f=d[g].src;if(f&&f.substr(0,a.length)==a)try{h.debug&&console.log("Reloading: "+f);var r=document.createElement("script");
-r.type="text/javascript";r.src=f;b.appendChild(r);b.removeChild(d[g])}catch(s){if(h.throw_errors)throw s;h.debug&&console.log("Error while reloading "+f)}}h.debug&&console.log("Nodes reloaded")},cloneObject:function(a,b){if(null==a)return null;var d=JSON.parse(JSON.stringify(a));if(!b)return d;for(var g in d)b[g]=d[g];return b},isValidConnection:function(a,b){if(!a||!b||a==b||a==h.EVENT&&b==h.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;for(var d=a.split(","),g=b.split(","),f=0;f<d.length;++f)for(var r=0;r<g.length;++r)if(d[f]==g[r])return!0;return!1},registerSearchboxExtra:function(a,b,d){this.searchbox_extras[b.toLowerCase()]={type:a,desc:b,data:d}},fetchFile:function(a,b,d,g){if(!a)return null;b=b||"text";if(a.constructor===String)return"http"==a.substr(0,4)&&h.proxy&&(a=h.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){d&&d(a)})["catch"](function(b){console.error("error fetching file:",a);g&&g(b)});if(a.constructor===File||a.constructor===Blob){var f=new FileReader;f.onload=function(a){a=a.target.result;"json"==b&&(a=JSON.parse(a));d&&d(a)};if("arraybuffer"==b)return f.readAsArrayBuffer(a);if("text"==b||"json"==b)return f.readAsText(a);if("blob"==b)return f.readAsBinaryString(a)}return null}};h.getTime="undefined"!=
-typeof performance?performance.now.bind(performance):"undefined"!=typeof Date&&Date.now?Date.now.bind(Date):"undefined"!=typeof process?function(){var a=process.hrtime();return 0.001*a[0]+1E-6*a[1]}:function(){return(new Date).getTime()};B.LGraph=h.LGraph=c;c.supported_types=["number","string","boolean"];c.prototype.getSupportedTypes=function(){return this.supported_types||c.supported_types};c.STATUS_STOPPED=1;c.STATUS_RUNNING=2;c.prototype.clear=function(){this.stop();this.status=c.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.fixedtime=this.runningtime=this.globaltime=0;this.elapsed_time=this.fixedtime_lapse=0.01;this.starttime=this.last_update_time=0;this.catch_errors=!0;this.inputs={};this.outputs=
-{};this.change();this.sendActionToCanvas("clear")};c.prototype.attachCanvas=function(a){if(a.constructor!=e)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)};c.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))}};c.prototype.start=function(a){if(this.status!=
-c.STATUS_RUNNING){this.status=c.STATUS_RUNNING;if(this.onPlayEvent)this.onPlayEvent();this.sendEventToAllNodes("onStart");this.last_update_time=this.starttime=h.getTime();a=a||0;var b=this;if(0==a&&"undefined"!=typeof window&&window.requestAnimationFrame){var d=function(){if(-1==b.execution_timer_id){window.requestAnimationFrame(d);if(b.onBeforeStep)b.onBeforeStep();b.runStep(1,!this.catch_errors);if(b.onAfterStep)b.onAfterStep()}};this.execution_timer_id=-1;d()}else this.execution_timer_id=setInterval(function(){if(b.onBeforeStep)b.onBeforeStep();
-b.runStep(1,!this.catch_errors);if(b.onAfterStep)b.onAfterStep()},a)}};c.prototype.stop=function(){if(this.status!=c.STATUS_STOPPED){this.status=c.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")}};c.prototype.runStep=function(a,b,d){a=a||1;var g=h.getTime();this.globaltime=0.001*(g-this.starttime);var f=this._nodes_executable?this._nodes_executable:
-this._nodes;if(f){d=d||f.length;if(b){for(var r=0;r<a;r++){for(var s=0;s<d;++s){var c=f[s];if(c.mode==h.ALWAYS&&c.onExecute)c.onExecute()}this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute()}else try{for(r=0;r<a;r++){for(s=0;s<d;++s)if(c=f[s],c.mode==h.ALWAYS&&c.onExecute)c.onExecute();this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute();this.errors_in_execution=
-!1}catch(k){this.errors_in_execution=!0;if(h.throw_errors)throw k;h.debug&&console.log("Error during execution: "+k);this.stop()}a=h.getTime();g=a-g;0==g&&(g=1);this.execution_time=0.001*g;this.globaltime+=0.001*g;this.iteration+=1;this.elapsed_time=0.001*(a-this.last_update_time);this.last_update_time=a}};c.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])};c.prototype.computeExecutionOrder=function(a,b){for(var d=[],g=[],f={},r={},s={},c=0,k=this._nodes.length;c<k;++c){var e=this._nodes[c];if(!a||e.onExecute){f[e.id]=e;var p=0;if(e.inputs)for(var t=0,q=e.inputs.length;t<q;t++)e.inputs[t]&&null!=e.inputs[t].link&&(p+=1);0==p?(g.push(e),b&&(e._level=1)):(b&&(e._level=0),s[e.id]=p)}}for(;0!=g.length;)if(e=g.shift(),d.push(e),delete f[e.id],e.outputs)for(c=0;c<e.outputs.length;c++)if(k=e.outputs[c],
-null!=k&&null!=k.links&&0!=k.links.length)for(t=0;t<k.links.length;t++)(p=this.links[k.links[t]])&&!r[p.id]&&(q=this.getNodeById(p.target_id),null==q?r[p.id]=!0:(b&&(!q._level||q._level<=e._level)&&(q._level=e._level+1),r[p.id]=!0,s[q.id]-=1,0==s[q.id]&&g.push(q)));for(c in f)d.push(f[c]);d.length!=this._nodes.length&&h.debug&&console.warn("something went wrong, nodes missing");k=d.length;for(c=0;c<k;++c)d[c].order=c;d=d.sort(function(a,b){var d=a.constructor.priority||a.priority||0,f=b.constructor.priority||
-b.priority||0;return d==f?a.order-b.order:d-f});for(c=0;c<k;++c)d[c].order=c;return d};c.prototype.getAncestors=function(a){for(var b=[],d=[a],g={};d.length;){var f=d.shift();if(f.inputs){g[f.id]||f==a||(g[f.id]=!0,b.push(f));for(var h=0;h<f.inputs.length;++h){var s=f.getInputNode(h);s&&-1==b.indexOf(s)&&d.push(s)}}}b.sort(function(a,b){return a.order-b.order});return b};c.prototype.arrange=function(a){a=a||100;for(var b=this.computeExecutionOrder(!1,!0),d=[],g=0;g<b.length;++g){var f=b[g],r=f._level||
-1;d[r]||(d[r]=[]);d[r].push(f)}b=a;for(g=0;g<d.length;++g)if(r=d[g]){for(var s=100,c=a+h.NODE_TITLE_HEIGHT,k=0;k<r.length;++k)f=r[k],f.pos[0]=b,f.pos[1]=c,f.size[0]>s&&(s=f.size[0]),c+=f.size[1]+a+h.NODE_TITLE_HEIGHT;b+=s+a}this.setDirtyCanvas(!0,!0)};c.prototype.getTime=function(){return this.globaltime};c.prototype.getFixedTime=function(){return this.fixedtime};c.prototype.getElapsedTime=function(){return this.elapsed_time};c.prototype.sendEventToAllNodes=function(a,b,d){d=d||h.ALWAYS;var g=this._nodes_in_order?
-this._nodes_in_order:this._nodes;if(g)for(var f=0,r=g.length;f<r;++f){var s=g[f];if(s.constructor===h.Subgraph&&"onExecute"!=a)s.mode==d&&s.sendEventToAllNodes(a,b,d);else if(s[a]&&s.mode==d)if(void 0===b)s[a]();else if(b&&b.constructor===Array)s[a].apply(s,b);else s[a](b)}};c.prototype.sendActionToCanvas=function(a,b){if(this.list_of_graphcanvas)for(var d=0;d<this.list_of_graphcanvas.length;++d){var g=this.list_of_graphcanvas[d];g[a]&&g[a].apply(g,b)}};c.prototype.add=function(a,b){if(a)if(a.constructor===
-l)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>=h.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}};c.prototype.remove=function(a){if(a.constructor===h.LGraphGroup){var b=this._groups.indexOf(a);-1!=b&&this._groups.splice(b,1);a.graph=null;this._version++;this.setDirtyCanvas(!0,!0);this.change()}else if(null!=this._nodes_by_id[a.id]&&!a.ignore_remove){if(a.inputs)for(b=0;b<a.inputs.length;b++){var d=a.inputs[b];
-null!=d.link&&a.disconnectInput(b)}if(a.outputs)for(b=0;b<a.outputs.length;b++)d=a.outputs[b],null!=d.links&&d.links.length&&a.disconnectOutput(b);if(a.onRemoved)a.onRemoved();a.graph=null;this._version++;if(this.list_of_graphcanvas)for(b=0;b<this.list_of_graphcanvas.length;++b)d=this.list_of_graphcanvas[b],d.selected_nodes[a.id]&&delete d.selected_nodes[a.id],d.node_dragged==a&&(d.node_dragged=null);b=this._nodes.indexOf(a);-1!=b&&this._nodes.splice(b,1);delete this._nodes_by_id[a.id];if(this.onNodeRemoved)this.onNodeRemoved(a);
-this.setDirtyCanvas(!0,!0);this.change();this.updateExecutionOrder()}};c.prototype.getNodeById=function(a){return null==a?null:this._nodes_by_id[a]};c.prototype.findNodesByClass=function(a,b){b=b||[];for(var d=b.length=0,g=this._nodes.length;d<g;++d)this._nodes[d].constructor===a&&b.push(this._nodes[d]);return b};c.prototype.findNodesByType=function(a,b){a=a.toLowerCase();b=b||[];for(var d=b.length=0,g=this._nodes.length;d<g;++d)this._nodes[d].type.toLowerCase()==a&&b.push(this._nodes[d]);return b};
-c.prototype.findNodeByTitle=function(a){for(var b=0,d=this._nodes.length;b<d;++b)if(this._nodes[b].title==a)return this._nodes[b];return null};c.prototype.findNodesByTitle=function(a){for(var b=[],d=0,g=this._nodes.length;d<g;++d)this._nodes[d].title==a&&b.push(this._nodes[d]);return b};c.prototype.getNodeOnPos=function(a,b,d,g){d=d||this._nodes;for(var f=d.length-1;0<=f;f--){var h=d[f];if(h.isPointInside(a,b,g))return h}return null};c.prototype.getGroupOnPos=function(a,b){for(var d=this._groups.length-
-1;0<=d;d--){var g=this._groups[d];if(g.isPointInside(a,b,2,!0))return g}return null};c.prototype.checkNodeTypes=function(){for(var a=0;a<this._nodes.length;a++){var b=this._nodes[a];if(b.constructor!=h.registered_node_types[b.type]){console.log("node being replaced by newer version: "+b.type);var d=h.createNode(b.type);this._nodes[a]=d;d.configure(b.serialize());d.graph=this;this._nodes_by_id[d.id]=d;b.inputs&&(d.inputs=b.inputs.concat());b.outputs&&(d.outputs=b.outputs.concat())}}this.updateExecutionOrder()};
-c.prototype.onAction=function(a,b){this._input_nodes=this.findNodesByClass(h.GraphInput,this._input_nodes);for(var d=0;d<this._input_nodes.length;++d){var g=this._input_nodes[d];if(g.properties.name==a){g.onAction(a,b);break}}};c.prototype.trigger=function(a,b){if(this.onTrigger)this.onTrigger(a,b)};c.prototype.addInput=function(a,b,d){if(!this.inputs[a]){this.inputs[a]={name:a,type:b,value:d};this._version++;if(this.onInputAdded)this.onInputAdded(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()}};
-c.prototype.setInputData=function(a,b){var d=this.inputs[a];d&&(d.value=b)};c.prototype.getInputData=function(a){return(a=this.inputs[a])?a.value:null};c.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()}};c.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)};c.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};c.prototype.addOutput=function(a,b,d){this.outputs[a]={name:a,
-type:b,value:d};this._version++;if(this.onOutputAdded)this.onOutputAdded(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()};c.prototype.setOutputData=function(a,b){var d=this.outputs[a];d&&(d.value=b)};c.prototype.getOutputData=function(a){return(a=this.outputs[a])?a.value:null};c.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()};c.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)};c.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};c.prototype.triggerInput=function(a,b){for(var d=this.findNodesByTitle(a),g=0;g<d.length;++g)d[g].onTrigger(b)};c.prototype.setCallback=function(a,b){for(var d=this.findNodesByTitle(a),g=0;g<d.length;++g)d[g].setTrigger(b)};c.prototype.connectionChange=function(a,b){this.updateExecutionOrder();if(this.onConnectionChange)this.onConnectionChange(a);this._version++;this.sendActionToCanvas("onConnectionChange")};c.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};c.prototype.clearTriggeredSlots=function(){for(var a in this.links){var b=this.links[a];b&&b._last_time&&(b._last_time=0)}};c.prototype.change=function(){h.debug&&console.log("Graph changed");this.sendActionToCanvas("setDirty",[!0,!0]);if(this.on_change)this.on_change(this)};c.prototype.setDirtyCanvas=function(a,b){this.sendActionToCanvas("setDirty",[a,b])};c.prototype.removeLink=function(a){if(a=
-this.links[a]){var b=this.getNodeById(a.target_id);b&&b.disconnectInput(a.target_slot)}};c.prototype.serialize=function(){for(var a=[],b=0,d=this._nodes.length;b<d;++b)a.push(this._nodes[b].serialize());d=[];for(b in this.links){var g=this.links[b];if(!g.serialize){console.warn("weird LLink bug, link info is not a LLink but a regular object");var f=new m;for(b in g)f[b]=g[b];g=this.links[b]=f}d.push(g.serialize())}g=[];for(b=0;b<this._groups.length;++b)g.push(this._groups[b].serialize());return{last_node_id:this.last_node_id,
-last_link_id:this.last_link_id,nodes:a,links:d,groups:g,config:this.config,version:h.VERSION}};c.prototype.configure=function(a,b){if(a){b||this.clear();var d=a.nodes;if(a.links&&a.links.constructor===Array){for(var g=[],f=0;f<a.links.length;++f){var r=a.links[f];if(r){var s=new m;s.configure(r);g[s.id]=s}else console.warn("serialized graph link data contains errors, skipping.")}a.links=g}for(f in a)"nodes"!=f&&"groups"!=f&&(this[f]=a[f]);g=!1;this._nodes=[];if(d){f=0;for(r=d.length;f<r;++f){var s=
-d[f],c=h.createNode(s.type,s.title);c||(h.debug&&console.log("Node not found or has errors: "+s.type),c=new n,c.last_serialization=s,g=c.has_errors=!0);c.id=s.id;this.add(c,!0)}f=0;for(r=d.length;f<r;++f)s=d[f],(c=this.getNodeById(s.id))&&c.configure(s)}this._groups.length=0;if(a.groups)for(f=0;f<a.groups.length;++f)d=new h.LGraphGroup,d.configure(a.groups[f]),this.add(d);this.updateExecutionOrder();this._version++;this.setDirtyCanvas(!0,!0);return g}};c.prototype.load=function(a){var b=this,d=new XMLHttpRequest;
-d.open("GET",a,!0);d.send(null);d.onload=function(a){200!==d.status?console.error("Error loading graph:",d.status,d.response):(a=JSON.parse(d.response),b.configure(a))};d.onerror=function(a){console.error("Error loading graph:",a)}};c.prototype.onNodeTrace=function(a,b,d){};m.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)};m.prototype.serialize=function(){return[this.id,this.origin_id,this.origin_slot,this.target_id,this.target_slot,this.type]};h.LLink=m;B.LGraphNode=h.LGraphNode=n;n.prototype._ctor=function(a){this.title=a||"Unnamed";this.size=[h.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={}};n.prototype.configure=function(a){this.graph&&this.graph._version++;for(var b in a)if("properties"==b)for(var d in a.properties){if(this.properties[d]=a.properties[d],this.onPropertyChanged)this.onPropertyChanged(d,a.properties[d])}else null!=a[b]&&("object"==typeof a[b]?this[b]&&this[b].configure?this[b].configure(a[b]):this[b]=h.cloneObject(a[b],
-this[b]):this[b]=a[b]);a.title||(this.title=this.constructor.title);if(this.onConnectionsChange){if(this.inputs)for(d=0;d<this.inputs.length;++d){b=this.inputs[d];var g=this.graph?this.graph.links[b.link]:null;this.onConnectionsChange(h.INPUT,d,!0,g,b)}if(this.outputs)for(d=0;d<this.outputs.length;++d){var f=this.outputs[d];if(f.links)for(b=0;b<f.links.length;++b)g=this.graph?this.graph.links[f.links[b]]:null,this.onConnectionsChange(h.OUTPUT,d,!0,g,f)}}if(this.widgets){for(d=0;d<this.widgets.length;++d)(b=
-this.widgets[d])&&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(d=0;d<a.widgets_values.length;++d)this.widgets[d]&&(this.widgets[d].value=a.widgets_values[d])}if(this.onConfigure)this.onConfigure(a)};n.prototype.serialize=function(){var a={id:this.id,type:this.type,pos:this.pos,size:this.size,flags:h.cloneObject(this.flags),order:this.order,mode:this.mode};if(this.constructor===
-n&&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=h.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};n.prototype.clone=function(){var a=h.createNode(this.type);if(!a)return null;var b=h.cloneObject(this.serialize());if(b.inputs)for(var d=0;d<b.inputs.length;++d)b.inputs[d].link=
-null;if(b.outputs)for(d=0;d<b.outputs.length;++d)b.outputs[d].links&&(b.outputs[d].links.length=0);delete b.id;a.configure(b);return a};n.prototype.toString=function(){return JSON.stringify(this.serialize())};n.prototype.getTitle=function(){return this.title||this.constructor.title};n.prototype.setProperty=function(a,b){this.properties||(this.properties={});if(b!==this.properties[a]){var d=this.properties[a];this.properties[a]=b;this.onPropertyChanged&&!1===this.onPropertyChanged(a,b,d)&&(this.properties[a]=
-d);if(this.widgets)for(d=0;d<this.widgets.length;++d){var g=this.widgets[d];if(g&&g.options.property==a){g.value=b;break}}}};n.prototype.setOutputData=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var d=this.outputs[a];if(d&&(d._data=b,this.outputs[a].links))for(d=0;d<this.outputs[a].links.length;d++){var g=this.graph.links[this.outputs[a].links[d]];g&&(g.data=b)}}};n.prototype.setOutputDataType=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var d=this.outputs[a];
-if(d&&(d.type=b,this.outputs[a].links))for(d=0;d<this.outputs[a].links.length;d++)this.graph.links[this.outputs[a].links[d]].type=b}};n.prototype.getInputData=function(a,b){if(this.inputs&&!(a>=this.inputs.length||null==this.inputs[a].link)){var d=this.graph.links[this.inputs[a].link];if(!d)return null;if(!b)return d.data;var g=this.graph.getNodeById(d.origin_id);if(!g)return d.data;if(g.updateOutputData)g.updateOutputData(d.origin_slot);else if(g.onExecute)g.onExecute();return d.data}};n.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};n.prototype.getInputDataByName=function(a,b){var d=this.findInputSlot(a);return-1==d?null:this.getInputData(d,b)};n.prototype.isInputConnected=function(a){return this.inputs?a<this.inputs.length&&null!=this.inputs[a].link:!1};n.prototype.getInputInfo=function(a){return this.inputs?
-a<this.inputs.length?this.inputs[a]:null:null};n.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};n.prototype.getInputOrProperty=function(a){if(!this.inputs||!this.inputs.length)return this.properties?this.properties[a]:null;for(var b=0,d=this.inputs.length;b<d;++b){var g=this.inputs[b];if(a==g.name&&null!=g.link&&(g=this.graph.links[g.link]))return g.data}return this.properties[a]};
-n.prototype.getOutputData=function(a){return!this.outputs||a>=this.outputs.length?null:this.outputs[a]._data};n.prototype.getOutputInfo=function(a){return this.outputs?a<this.outputs.length?this.outputs[a]:null:null};n.prototype.isOutputConnected=function(a){return this.outputs?a<this.outputs.length&&this.outputs[a].links&&this.outputs[a].links.length:!1};n.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};n.prototype.getOutputNodes=function(a){if(!this.outputs||0==this.outputs.length||a>=this.outputs.length)return null;a=this.outputs[a];if(!a.links||0==a.links.length)return null;for(var b=[],d=0;d<a.links.length;d++){var g=this.graph.links[a.links[d]];g&&(g=this.graph.getNodeById(g.target_id))&&b.push(g)}return b};n.prototype.trigger=function(a,b){if(this.outputs&&this.outputs.length){this.graph&&(this.graph._last_trigger_time=h.getTime());for(var d=0;d<this.outputs.length;++d){var g=this.outputs[d];
-!g||g.type!==h.EVENT||a&&g.name!=a||this.triggerSlot(d,b)}}};n.prototype.triggerSlot=function(a,b,d){if(this.outputs&&(a=this.outputs[a])&&(a=a.links)&&a.length){this.graph&&(this.graph._last_trigger_time=h.getTime());for(var g=0;g<a.length;++g){var f=a[g];if(null==d||d==f){var r=this.graph.links[a[g]];if(r&&(r._last_time=h.getTime(),f=this.graph.getNodeById(r.target_id)))if(r=f.inputs[r.target_slot],f.onAction)f.onAction(r.name,b);else if(f.mode===h.ON_TRIGGER&&f.onExecute)f.onExecute(b)}}}};n.prototype.clearTriggeredSlot=
-function(a,b){if(this.outputs){var d=this.outputs[a];if(d&&(d=d.links)&&d.length)for(var g=0;g<d.length;++g){var f=d[g];if(null==b||b==f)if(f=this.graph.links[d[g]])f._last_time=0}}};n.prototype.addProperty=function(a,b,d,g){d={name:a,type:d,default_value:b};if(g)for(var f in g)d[f]=g[f];this.properties_info||(this.properties_info=[]);this.properties_info.push(d);this.properties||(this.properties={});this.properties[a]=b;return d};n.prototype.addOutput=function(a,b,d){a={name:a,type:b,links:null};
-if(d)for(var g in d)a[g]=d[g];this.outputs||(this.outputs=[]);this.outputs.push(a);if(this.onOutputAdded)this.onOutputAdded(a);this.size=this.computeSize();this.setDirtyCanvas(!0,!0);return a};n.prototype.addOutputs=function(a){for(var b=0;b<a.length;++b){var d=a[b],g={name:d[0],type:d[1],link:null};if(a[2])for(var f in d[2])g[f]=d[2][f];this.outputs||(this.outputs=[]);this.outputs.push(g);if(this.onOutputAdded)this.onOutputAdded(g)}this.size=this.computeSize();this.setDirtyCanvas(!0,!0)};n.prototype.removeOutput=
-function(a){this.disconnectOutput(a);this.outputs.splice(a,1);for(var b=a;b<this.outputs.length;++b)if(this.outputs[b]&&this.outputs[b].links)for(var d=this.outputs[b].links,g=0;g<d.length;++g){var f=this.graph.links[d[g]];f&&(f.origin_slot-=1)}this.size=this.computeSize();if(this.onOutputRemoved)this.onOutputRemoved(a);this.setDirtyCanvas(!0,!0)};n.prototype.addInput=function(a,b,d){a={name:a,type:b||0,link:null};if(d)for(var g in d)a[g]=d[g];this.inputs||(this.inputs=[]);this.inputs.push(a);this.size=
-this.computeSize();if(this.onInputAdded)this.onInputAdded(a);this.setDirtyCanvas(!0,!0);return a};n.prototype.addInputs=function(a){for(var b=0;b<a.length;++b){var d=a[b],g={name:d[0],type:d[1],link:null};if(a[2])for(var f in d[2])g[f]=d[2][f];this.inputs||(this.inputs=[]);this.inputs.push(g);if(this.onInputAdded)this.onInputAdded(g)}this.size=this.computeSize();this.setDirtyCanvas(!0,!0)};n.prototype.removeInput=function(a){this.disconnectInput(a);this.inputs.splice(a,1);for(var b=a;b<this.inputs.length;++b)if(this.inputs[b]){var d=
-this.graph.links[this.inputs[b].link];d&&(d.target_slot-=1)}this.size=this.computeSize();if(this.onInputRemoved)this.onInputRemoved(a);this.setDirtyCanvas(!0,!0)};n.prototype.addConnection=function(a,b,d,g){a={name:a,type:b,pos:d,direction:g,links:null};this.connections.push(a);return a};n.prototype.computeSize=function(a,b){function d(a){return a?r*a.length*0.6:0}if(this.constructor.size)return this.constructor.size.concat();var g=Math.max(this.inputs?this.inputs.length:1,this.outputs?this.outputs.length:
-1),f=b||new Float32Array([0,0]),g=Math.max(g,1),r=h.NODE_TEXT_SIZE;f[1]=(this.constructor.slot_start_y||0)+g*h.NODE_SLOT_HEIGHT;g=0;this.widgets&&this.widgets.length&&(g=this.widgets.length*(h.NODE_WIDGET_HEIGHT+4)+8);f[1]=this.widgets_up?Math.max(f[1],g):null!=this.widgets_start_y?Math.max(f[1],g+this.widgets_start_y):f[1]+g;var g=d(this.title),s=0,c=0;if(this.inputs)for(var k=0,e=this.inputs.length;k<e;++k){var p=this.inputs[k],p=p.label||p.name||"",p=d(p);s<p&&(s=p)}if(this.outputs)for(k=0,e=this.outputs.length;k<
-e;++k)p=this.outputs[k],p=p.label||p.name||"",p=d(p),c<p&&(c=p);f[0]=Math.max(s+c+10,g);f[0]=Math.max(f[0],h.NODE_WIDTH);this.widgets&&this.widgets.length&&(f[0]=Math.max(f[0],1.5*h.NODE_WIDTH));if(this.onResize)this.onResize(f);this.constructor.min_height&&f[1]<this.constructor.min_height&&(f[1]=this.constructor.min_height);f[1]+=6;return f};n.prototype.getPropertyInfo=function(a){var b=null;if(this.properties_info)for(var d=0;d<this.properties_info.length;++d)if(this.properties_info[d].name==a){b=
-this.properties_info[d];break}this.constructor["@"+a]&&(b=this.constructor["@"+a]);this.onGetPropertyInfo&&(b=this.onGetPropertyInfo(a));b||(b={});b.type||(b.type=typeof this.properties[a]);return b};n.prototype.addWidget=function(a,b,d,g,f){this.widgets||(this.widgets=[]);!f&&g&&g.constructor===Object&&(f=g,g=null);f&&f.constructor===String&&(f={property:f});g&&g.constructor===String&&(f||(f={}),f.property=g,g=null);g&&g.constructor!==Function&&(console.warn("addWidget: callback must be a function"),
-g=null);b={type:a.toLowerCase(),name:b,value:d,callback:g,options:f||{}};void 0!==b.options.y&&(b.y=b.options.y);g||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.size=this.computeSize();return b};n.prototype.addCustomWidget=function(a){this.widgets||(this.widgets=[]);
-this.widgets.push(a);return a};n.prototype.getBounding=function(a){a=a||new Float32Array(4);a[0]=this.pos[0]-4;a[1]=this.pos[1]-h.NODE_TITLE_HEIGHT;a[2]=this.size[0]+4;a[3]=this.size[1]+h.NODE_TITLE_HEIGHT;if(this.onBounding)this.onBounding(a);return a};n.prototype.isPointInside=function(a,b,d,g){d=d||0;var f=this.graph&&this.graph.isLive()?0:h.NODE_TITLE_HEIGHT;g&&(f=0);if(this.flags&&this.flags.collapsed){if(w(a,b,this.pos[0]-d,this.pos[1]-h.NODE_TITLE_HEIGHT-d,(this._collapsed_width||h.NODE_COLLAPSED_WIDTH)+
-2*d,h.NODE_TITLE_HEIGHT+2*d))return!0}else if(this.pos[0]-4-d<a&&this.pos[0]+this.size[0]+4+d>a&&this.pos[1]-f-d<b&&this.pos[1]+this.size[1]+d>b)return!0;return!1};n.prototype.getSlotInPosition=function(a,b){var d=new Float32Array(2);if(this.inputs)for(var g=0,f=this.inputs.length;g<f;++g){var h=this.inputs[g];this.getConnectionPos(!0,g,d);if(w(a,b,d[0]-10,d[1]-5,20,10))return{input:h,slot:g,link_pos:d}}if(this.outputs)for(g=0,f=this.outputs.length;g<f;++g)if(h=this.outputs[g],this.getConnectionPos(!1,
-g,d),w(a,b,d[0]-10,d[1]-5,20,10))return{output:h,slot:g,link_pos:d};return null};n.prototype.findInputSlot=function(a){if(!this.inputs)return-1;for(var b=0,d=this.inputs.length;b<d;++b)if(a==this.inputs[b].name)return b;return-1};n.prototype.findOutputSlot=function(a){if(!this.outputs)return-1;for(var b=0,d=this.outputs.length;b<d;++b)if(a==this.outputs[b].name)return b;return-1};n.prototype.connect=function(a,b,d){d=d||0;if(!this.graph)return console.log("Connect: Error, node doesn't belong to any graph. Nodes must be added first to a graph before connecting them."),
-null;if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return h.debug&&console.log("Connect: Error, no slot of name "+a),null}else if(!this.outputs||a>=this.outputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),null;b&&b.constructor===Number&&(b=this.graph.getNodeById(b));if(!b)throw"target node is null";if(b==this)return null;if(d.constructor===String){if(d=b.findInputSlot(d),-1==d)return h.debug&&console.log("Connect: Error, no slot of name "+d),null}else{if(d===
-h.EVENT)return null;if(!b.inputs||d>=b.inputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),null}null!=b.inputs[d].link&&b.disconnectInput(d);var g=this.outputs[a];if(b.onConnectInput&&!1===b.onConnectInput(d,g.type,g))return null;var f=b.inputs[d],r=null;if(h.isValidConnection(g.type,f.type)){r=new m(++this.graph.last_link_id,f.type,this.id,a,b.id,d);this.graph.links[r.id]=r;null==g.links&&(g.links=[]);g.links.push(r.id);b.inputs[d].link=r.id;this.graph&&this.graph._version++;
-if(this.onConnectionsChange)this.onConnectionsChange(h.OUTPUT,a,!0,r,g);if(b.onConnectionsChange)b.onConnectionsChange(h.INPUT,d,!0,r,f);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.INPUT,b,d,this,a),this.graph.onNodeConnectionChange(h.OUTPUT,this,a,b,d))}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this,r);return r};n.prototype.disconnectOutput=function(a,b){if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return h.debug&&console.log("Connect: Error, no slot of name "+
-a),!1}else if(!this.outputs||a>=this.outputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),!1;var d=this.outputs[a];if(!d||!d.links||0==d.links.length)return!1;if(b){b.constructor===Number&&(b=this.graph.getNodeById(b));if(!b)throw"Target Node not found";for(var g=0,f=d.links.length;g<f;g++){var r=d.links[g],s=this.graph.links[r];if(s.target_id==b.id){d.links.splice(g,1);var c=b.inputs[s.target_slot];c.link=null;delete this.graph.links[r];this.graph&&this.graph._version++;
-if(b.onConnectionsChange)b.onConnectionsChange(h.INPUT,s.target_slot,!1,s,c);if(this.onConnectionsChange)this.onConnectionsChange(h.OUTPUT,a,!1,s,d);if(this.graph&&this.graph.onNodeConnectionChange)this.graph.onNodeConnectionChange(h.OUTPUT,this,a);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.OUTPUT,this,a),this.graph.onNodeConnectionChange(h.INPUT,b,s.target_slot));break}}}else{g=0;for(f=d.links.length;g<f;g++)if(r=d.links[g],s=this.graph.links[r]){b=this.graph.getNodeById(s.target_id);
-this.graph&&this.graph._version++;if(b){c=b.inputs[s.target_slot];c.link=null;if(b.onConnectionsChange)b.onConnectionsChange(h.INPUT,s.target_slot,!1,s,c);if(this.graph&&this.graph.onNodeConnectionChange)this.graph.onNodeConnectionChange(h.INPUT,b,s.target_slot)}delete this.graph.links[r];if(this.onConnectionsChange)this.onConnectionsChange(h.OUTPUT,a,!1,s,d);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.OUTPUT,this,a),this.graph.onNodeConnectionChange(h.INPUT,
-b,s.target_slot))}d.links=null}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};n.prototype.disconnectInput=function(a){if(a.constructor===String){if(a=this.findInputSlot(a),-1==a)return h.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.inputs||a>=this.inputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),!1;var b=this.inputs[a];if(!b)return!1;var d=this.inputs[a].link;this.inputs[a].link=null;var g=this.graph.links[d];if(g){var f=
-this.graph.getNodeById(g.origin_id);if(!f)return!1;var r=f.outputs[g.origin_slot];if(!r||!r.links||0==r.links.length)return!1;for(var s=0,c=r.links.length;s<c;s++)if(r.links[s]==d){r.links.splice(s,1);break}delete this.graph.links[d];this.graph&&this.graph._version++;if(this.onConnectionsChange)this.onConnectionsChange(h.INPUT,a,!1,g,b);if(f.onConnectionsChange)f.onConnectionsChange(h.OUTPUT,s,!1,g,r);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.OUTPUT,f,s),
-this.graph.onNodeConnectionChange(h.INPUT,this,a))}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};n.prototype.getConnectionPos=function(a,b,d){d=d||new Float32Array(2);var g=0;a&&this.inputs&&(g=this.inputs.length);!a&&this.outputs&&(g=this.outputs.length);var f=0.5*h.NODE_SLOT_HEIGHT;if(this.flags.collapsed)return b=this._collapsed_width||h.NODE_COLLAPSED_WIDTH,this.horizontal?(d[0]=this.pos[0]+0.5*b,d[1]=a?this.pos[1]-h.NODE_TITLE_HEIGHT:this.pos[1]):(d[0]=a?this.pos[0]:
-this.pos[0]+b,d[1]=this.pos[1]-0.5*h.NODE_TITLE_HEIGHT),d;if(a&&-1==b)return d[0]=this.pos[0]+0.5*h.NODE_TITLE_HEIGHT,d[1]=this.pos[1]+0.5*h.NODE_TITLE_HEIGHT,d;if(a&&g>b&&this.inputs[b].pos)return d[0]=this.pos[0]+this.inputs[b].pos[0],d[1]=this.pos[1]+this.inputs[b].pos[1],d;if(!a&&g>b&&this.outputs[b].pos)return d[0]=this.pos[0]+this.outputs[b].pos[0],d[1]=this.pos[1]+this.outputs[b].pos[1],d;if(this.horizontal)return d[0]=this.pos[0]+this.size[0]/g*(b+0.5),d[1]=a?this.pos[1]-h.NODE_TITLE_HEIGHT:
-this.pos[1]+this.size[1],d;d[0]=a?this.pos[0]+f:this.pos[0]+this.size[0]+1-f;d[1]=this.pos[1]+(b+0.7)*h.NODE_SLOT_HEIGHT+(this.constructor.slot_start_y||0);return d};n.prototype.alignToGrid=function(){this.pos[0]=h.CANVAS_GRID_SIZE*Math.round(this.pos[0]/h.CANVAS_GRID_SIZE);this.pos[1]=h.CANVAS_GRID_SIZE*Math.round(this.pos[1]/h.CANVAS_GRID_SIZE)};n.prototype.trace=function(a){this.console||(this.console=[]);this.console.push(a);this.console.length>n.MAX_CONSOLE&&this.console.shift();this.graph.onNodeTrace(this,
-a)};n.prototype.setDirtyCanvas=function(a,b){this.graph&&this.graph.sendActionToCanvas("setDirty",[a,b])};n.prototype.loadImage=function(a){var b=new Image;b.src=h.node_images_path+a;b.ready=!1;var d=this;b.onload=function(){this.ready=!0;d.setDirtyCanvas(!0)};return b};n.prototype.captureInput=function(a){if(this.graph&&this.graph.list_of_graphcanvas)for(var b=this.graph.list_of_graphcanvas,d=0;d<b.length;++d){var g=b[d];if(a||g.node_capturing_input==this)g.node_capturing_input=a?this:null}};n.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)};n.prototype.pin=function(a){this.graph._version++;this.flags.pinned=void 0===a?!this.flags.pinned:a};n.prototype.localToScreen=function(a,b,d){return[(a+this.pos[0])*d.scale+d.offset[0],(b+this.pos[1])*d.scale+d.offset[1]]};B.LGraphGroup=h.LGraphGroup=l;l.prototype._ctor=function(a){this.title=a||"Group";this.font_size=24;this.color=e.node_colors.pale_blue?
-e.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})};l.prototype.configure=function(a){this.title=a.title;this._bounding.set(a.bounding);this.color=a.color;this.font=a.font};l.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}};l.prototype.move=function(a,b,d){this._pos[0]+=a;this._pos[1]+=b;if(!d)for(d=0;d<this._nodes.length;++d){var g=this._nodes[d];g.pos[0]+=a;g.pos[1]+=b}};l.prototype.recomputeInsideNodes=
-function(){this._nodes.length=0;for(var a=this.graph._nodes,b=new Float32Array(4),d=0;d<a.length;++d){var g=a[d];g.getBounding(b);u(this._bounding,b)&&this._nodes.push(g)}};l.prototype.isPointInside=n.prototype.isPointInside;l.prototype.setDirtyCanvas=n.prototype.setDirtyCanvas;h.DragAndScale=x;x.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)};x.prototype.computeVisibleArea=function(){if(this.element){var a=-this.offset[0],b=-this.offset[1],d=a+this.element.width/this.scale,g=b+this.element.height/this.scale;this.visible_area[0]=a;this.visible_area[1]=b;this.visible_area[2]=d-a;this.visible_area[3]=g-b}else this.visible_area[0]=this.visible_area[1]=this.visible_area[2]=this.visible_area[3]=
-0};x.prototype.onMouse=function(a){if(this.enabled){var b=this.element,d=b.getBoundingClientRect(),g=a.clientX-d.left,d=a.clientY-d.top;a.canvasx=g;a.canvasy=d;a.dragging=this.dragging;var f=!1;this.onmouse&&(f=this.onmouse(a));if("mousedown"==a.type)this.dragging=!0,b.removeEventListener("mousemove",this._binded_mouse_callback),document.body.addEventListener("mousemove",this._binded_mouse_callback),document.body.addEventListener("mouseup",this._binded_mouse_callback);else if("mousemove"==a.type)f||
-(b=g-this.last_mouse[0],f=d-this.last_mouse[1],this.dragging&&this.mouseDrag(b,f));else if("mouseup"==a.type)this.dragging=!1,document.body.removeEventListener("mousemove",this._binded_mouse_callback),document.body.removeEventListener("mouseup",this._binded_mouse_callback),b.addEventListener("mousemove",this._binded_mouse_callback);else if("mousewheel"==a.type||"wheel"==a.type||"DOMMouseScroll"==a.type)a.eventType="mousewheel",a.wheel="wheel"==a.type?-a.deltaY:null!=a.wheelDeltaY?a.wheelDeltaY:-60*
-a.detail,a.delta=a.wheelDelta?a.wheelDelta/40:a.deltaY?-a.deltaY/3:0,this.changeDeltaScale(1+0.05*a.delta);this.last_mouse[0]=g;this.last_mouse[1]=d;a.preventDefault();a.stopPropagation();return!1}};x.prototype.toCanvasContext=function(a){a.scale(this.scale,this.scale);a.translate(this.offset[0],this.offset[1])};x.prototype.convertOffsetToCanvas=function(a){return[(a[0]+this.offset[0])*this.scale,(a[1]+this.offset[1])*this.scale]};x.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};x.prototype.mouseDrag=function(a,b){this.offset[0]+=a/this.scale;this.offset[1]+=b/this.scale;if(this.onredraw)this.onredraw(this)};x.prototype.changeScale=function(a,b){a<this.min_scale?a=this.min_scale:a>this.max_scale&&(a=this.max_scale);if(a!=this.scale&&this.element){var d=this.element.getBoundingClientRect();if(d){b=b||[0.5*d.width,0.5*d.height];d=this.convertCanvasToOffset(b);this.scale=a;0.01>Math.abs(this.scale-1)&&(this.scale=
-1);var g=this.convertCanvasToOffset(b),d=[g[0]-d[0],g[1]-d[1]];this.offset[0]+=d[0];this.offset[1]+=d[1];if(this.onredraw)this.onredraw(this)}}};x.prototype.changeDeltaScale=function(a,b){this.changeScale(this.scale*a,b)};x.prototype.reset=function(){this.scale=1;this.offset[0]=0;this.offset[1]=0};B.LGraphCanvas=h.LGraphCanvas=e;e.link_type_colors={"-1":h.EVENT_LINK_COLOR,number:"#AAA",node:"#DCA"};e.gradients={};e.prototype.clear=function(){this.fps=this.render_time=this.last_draw_time=this.frame=
-0;this.dragging_rectangle=null;this.selected_nodes={};this.selected_group=null;this.visible_nodes=[];this.connecting_node=this.node_capturing_input=this.node_over=this.node_dragged=null;this.highlighted_links={};this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_widget=this.node_in_panel=this.dirty_area=null;this.last_mouse=[0,0];this.last_mouseclick=0;this.visible_area.set([0,0,0,0]);if(this.onClear)this.onClear()};e.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)))};e.prototype.openSubgraph=function(a){if(!a)throw"graph cannot be null";if(this.graph==a)throw"graph cannot be the same";this.clear();this.graph&&(this._graph_stack||(this._graph_stack=[]),this._graph_stack.push(this.graph));a.attachCanvas(this);this.setDirty(!0,!0)};e.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]))}};e.prototype.getCurrentGraph=function(){return this.graph};e.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()}};e.prototype._doNothing=function(a){a.preventDefault();return!1};e.prototype._doReturnTrue=function(a){a.preventDefault();return!0};e.prototype.bindEvents=function(){if(this._events_binded)console.warn("LGraphCanvas: events already binded");else{var a=this.canvas,b=this.getCanvasWindow().document;this._mousedown_callback=this.processMouseDown.bind(this);
-this._mousewheel_callback=this.processMouseWheel.bind(this);a.addEventListener("mousedown",this._mousedown_callback,!0);a.addEventListener("mousemove",this._mousemove_callback);a.addEventListener("mousewheel",this._mousewheel_callback,!1);a.addEventListener("contextmenu",this._doNothing);a.addEventListener("DOMMouseScroll",this._mousewheel_callback,!1);a.addEventListener("touchstart",this.touchHandler,!0);a.addEventListener("touchmove",this.touchHandler,!0);a.addEventListener("touchend",this.touchHandler,
-!0);a.addEventListener("touchcancel",this.touchHandler,!0);this._key_callback=this.processKey.bind(this);a.addEventListener("keydown",this._key_callback,!0);b.addEventListener("keyup",this._key_callback,!0);this._ondrop_callback=this.processDrop.bind(this);a.addEventListener("dragover",this._doNothing,!1);a.addEventListener("dragend",this._doNothing,!1);a.addEventListener("drop",this._ondrop_callback,!1);a.addEventListener("dragenter",this._doReturnTrue,!1);this._events_binded=!0}};e.prototype.unbindEvents=
-function(){if(this._events_binded){var a=this.getCanvasWindow().document;this.canvas.removeEventListener("mousedown",this._mousedown_callback);this.canvas.removeEventListener("mousewheel",this._mousewheel_callback);this.canvas.removeEventListener("DOMMouseScroll",this._mousewheel_callback);this.canvas.removeEventListener("keydown",this._key_callback);a.removeEventListener("keyup",this._key_callback);this.canvas.removeEventListener("contextmenu",this._doNothing);this.canvas.removeEventListener("drop",
-this._ondrop_callback);this.canvas.removeEventListener("dragenter",this._doReturnTrue);this.canvas.removeEventListener("touchstart",this.touchHandler);this.canvas.removeEventListener("touchmove",this.touchHandler);this.canvas.removeEventListener("touchend",this.touchHandler);this.canvas.removeEventListener("touchcancel",this.touchHandler);this._ondrop_callback=this._key_callback=this._mousewheel_callback=this._mousedown_callback=null;this._events_binded=!1}else console.warn("LGraphCanvas: no events binded")};
-e.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()};e.prototype.enableWebGL=function(){if(void 0===typeof GL)throw"litegl.js must be included to use a WebGL canvas";if(void 0===typeof enableWebGLCanvas)throw"webglCanvas.js must be included to use this feature";this.gl=this.ctx=enableWebGLCanvas(this.canvas);this.ctx.webgl=!0;this.bgcanvas=this.canvas;this.bgctx=this.gl;this.canvas.webgl_enabled=!0};e.prototype.setDirty=
-function(a,b){a&&(this.dirty_canvas=!0);b&&(this.dirty_bgcanvas=!0)};e.prototype.getCanvasWindow=function(){if(!this.canvas)return window;var a=this.canvas.ownerDocument;return a.defaultView||a.parentWindow};e.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))};e.prototype.stopRendering=function(){this.is_rendering=!1};e.prototype.processMouseDown=
-function(a){if(this.graph){this.adjustMouseEvent(a);var b=this.getCanvasWindow();e.active_canvas=this;this.canvas.removeEventListener("mousemove",this._mousemove_callback);b.document.addEventListener("mousemove",this._mousemove_callback,!0);b.document.addEventListener("mouseup",this._mouseup_callback,!0);var d=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes,5),g=!1,f=300>h.getTime()-this.last_mouseclick;this.canvas_mouse[0]=a.canvasX;this.canvas_mouse[1]=a.canvasY;this.canvas.focus();
-h.closeAllContextMenus(b);if(!this.onMouse||!0!=this.onMouse(a)){if(1==a.which){a.ctrlKey&&(this.dragging_rectangle=new Float32Array(4),this.dragging_rectangle[0]=a.canvasX,this.dragging_rectangle[1]=a.canvasY,this.dragging_rectangle[2]=1,this.dragging_rectangle[3]=1,g=!0);var r=!1;if(d&&this.allow_interaction&&!g&&!this.read_only){this.live_mode||d.flags.pinned||this.bringToFront(d);if(!this.connecting_node&&!d.flags.collapsed&&!this.live_mode)if(!g&&!1!==d.resizable&&w(a.canvasX,a.canvasY,d.pos[0]+
-d.size[0]-5,d.pos[1]+d.size[1]-5,10,10))this.resizing_node=d,this.canvas.style.cursor="se-resize",g=!0;else{if(d.outputs)for(var s=0,c=d.outputs.length;s<c;++s){var k=d.outputs[s],p=d.getConnectionPos(!1,s);if(w(a.canvasX,a.canvasY,p[0]-15,p[1]-10,30,20)){this.connecting_node=d;this.connecting_output=k;this.connecting_pos=d.getConnectionPos(!1,s);this.connecting_slot=s;a.shiftKey&&d.disconnectOutput(s);if(f){if(d.onOutputDblClick)d.onOutputDblClick(s,a)}else if(d.onOutputClick)d.onOutputClick(s,a);
-g=!0;break}}if(d.inputs)for(s=0,c=d.inputs.length;s<c;++s)if(k=d.inputs[s],p=d.getConnectionPos(!0,s),w(a.canvasX,a.canvasY,p[0]-15,p[1]-10,30,20)){if(f){if(d.onInputDblClick)d.onInputDblClick(s,a)}else if(d.onInputClick)d.onInputClick(s,a);if(null!==k.link){g=this.graph.links[k.link];d.disconnectInput(s);if(this.allow_reconnect_links||a.shiftKey)this.connecting_node=this.graph._nodes_by_id[g.origin_id],this.connecting_slot=g.origin_slot,this.connecting_output=this.connecting_node.outputs[this.connecting_slot],
-this.connecting_pos=this.connecting_node.getConnectionPos(!1,this.connecting_slot);g=this.dirty_bgcanvas=!0}}}if(!g){s=!1;if(c=this.processNodeWidgets(d,this.canvas_mouse,a))s=!0,this.node_widget=[d,c];if(f&&this.selected_nodes[d.id]){if(d.onDblClick)d.onDblClick(a,[a.canvasX-d.pos[0],a.canvasY-d.pos[1]],this);this.processNodeDblClicked(d);s=!0}d.onMouseDown&&d.onMouseDown(a,[a.canvasX-d.pos[0],a.canvasY-d.pos[1]],this)?s=!0:this.live_mode&&(s=r=!0);s||(this.allow_dragnodes&&(this.node_dragged=d),
-this.selected_nodes[d.id]||this.processNodeSelected(d,a));this.dirty_canvas=!0}}else{if(!this.read_only)for(s=0;s<this.visible_links.length;++s)if(d=this.visible_links[s],(r=d._pos)&&!(a.canvasX<r[0]-4||a.canvasX>r[0]+4||a.canvasY<r[1]-4||a.canvasY>r[1]+4)){this.showLinkMenu(d,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>C([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());f&&!this.read_only&&this.allow_searchbox&&this.showSearchBox(a);r=!0}!g&&r&&this.allow_dragcanvas&&(this.dragging_canvas=!0)}else 2!=a.which&&3==a.which&&(this.read_only||this.processContextMenu(d,a));this.last_mouse[0]=a.localX;this.last_mouse[1]=a.localY;this.last_mouseclick=h.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}}};e.prototype.processMouseMove=function(a){this.autoresize&&this.resize();if(this.graph){e.active_canvas=this;this.adjustMouseEvent(a);var b=[a.localX,a.localY],d=[b[0]-this.last_mouse[0],b[1]-this.last_mouse[1]];this.last_mouse=
-b;this.canvas_mouse[0]=a.canvasX;this.canvas_mouse[1]=a.canvasY;a.dragging=this.last_mouse_dragging;this.node_widget&&(this.processNodeWidgets(this.node_widget[0],this.canvas_mouse,a,this.node_widget[1]),this.dirty_canvas=!0);if(this.dragging_rectangle)this.dragging_rectangle[2]=a.canvasX-this.dragging_rectangle[0],this.dragging_rectangle[3]=a.canvasY-this.dragging_rectangle[1],this.dirty_canvas=!0;else if(this.selected_group&&!this.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(d[0]/this.ds.scale,d[1]/this.ds.scale,a.ctrlKey),this.selected_group._nodes.length&&(this.dirty_canvas=!0)),this.dirty_bgcanvas=!0;else if(this.dragging_canvas)this.ds.offset[0]+=d[0]/this.ds.scale,this.ds.offset[1]+=d[1]/this.ds.scale,this.dirty_bgcanvas=this.dirty_canvas=!0;else if(this.allow_interaction&&!this.read_only){this.connecting_node&&(this.dirty_canvas=!0);for(var g=this.graph.getNodeOnPos(a.canvasX,
-a.canvasY,this.visible_nodes),b=0,f=this.graph._nodes.length;b<f;++b)if(this.graph._nodes[b].mouseOver&&g!=this.graph._nodes[b]){this.graph._nodes[b].mouseOver=!1;if(this.node_over&&this.node_over.onMouseLeave)this.node_over.onMouseLeave(a);this.node_over=null;this.dirty_canvas=!0}if(g){if(!g.mouseOver&&(g.mouseOver=!0,this.node_over=g,this.dirty_canvas=!0,g.onMouseEnter))g.onMouseEnter(a);if(g.onMouseMove)g.onMouseMove(a,[a.canvasX-g.pos[0],a.canvasY-g.pos[1]],this);if(this.connecting_node&&(f=this._highlight_input||
-[0,0],!this.isOverNodeBox(g,a.canvasX,a.canvasY))){var r=this.isOverNodeInput(g,a.canvasX,a.canvasY,f);-1!=r&&g.inputs[r]?h.isValidConnection(this.connecting_output.type,g.inputs[r].type)&&(this._highlight_input=f):this._highlight_input=null}this.canvas&&(w(a.canvasX,a.canvasY,g.pos[0]+g.size[0]-5,g.pos[1]+g.size[1]-5,5,5)?this.canvas.style.cursor="se-resize":this.canvas.style.cursor="crosshair")}else{f=null;for(b=0;b<this.visible_links.length;++b){var r=this.visible_links[b],s=r._pos;if(s&&!(a.canvasX<
-s[0]-4||a.canvasX>s[0]+4||a.canvasY<s[1]-4||a.canvasY>s[1]+4)){f=r;break}}f!=this.over_link_center&&(this.over_link_center=f,this.dirty_canvas=!0);this.canvas&&(this.canvas.style.cursor="")}if(this.node_capturing_input&&this.node_capturing_input!=g&&this.node_capturing_input.onMouseMove)this.node_capturing_input.onMouseMove(a,[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)g=this.selected_nodes[b],
-g.pos[0]+=d[0]/this.ds.scale,g.pos[1]+=d[1]/this.ds.scale;this.dirty_bgcanvas=this.dirty_canvas=!0}this.resizing_node&&!this.live_mode&&(this.resizing_node.size[0]=a.canvasX-this.resizing_node.pos[0],this.resizing_node.size[1]=a.canvasY-this.resizing_node.pos[1],d=Math.max(this.resizing_node.inputs?this.resizing_node.inputs.length:0,this.resizing_node.outputs?this.resizing_node.outputs.length:0)*h.NODE_SLOT_HEIGHT+(this.resizing_node.widgets?this.resizing_node.widgets.length:0)*(h.NODE_WIDGET_HEIGHT+
-4)+4,this.resizing_node.size[1]<d&&(this.resizing_node.size[1]=d),this.resizing_node.size[0]<h.NODE_MIN_WIDTH&&(this.resizing_node.size[0]=h.NODE_MIN_WIDTH),this.canvas.style.cursor="se-resize",this.dirty_bgcanvas=this.dirty_canvas=!0)}a.preventDefault();return!1}};e.prototype.processMouseUp=function(a){if(this.graph){var b=this.getCanvasWindow().document;e.active_canvas=this;b.removeEventListener("mousemove",this._mousemove_callback,!0);this.canvas.addEventListener("mousemove",this._mousemove_callback,
-!0);b.removeEventListener("mouseup",this._mouseup_callback,!0);this.adjustMouseEvent(a);b=h.getTime();a.click_time=b-this.last_mouseclick;this.last_mouse_dragging=!1;if(1==a.which){this.node_widget&&this.processNodeWidgets(this.node_widget[0],this.canvas_mouse,a);this.node_widget=null;if(this.selected_group){var b=this.selected_group.pos[0]-Math.round(this.selected_group.pos[0]),d=this.selected_group.pos[1]-Math.round(this.selected_group.pos[1]);this.selected_group.move(b,d,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;if(this.dragging_rectangle){if(this.graph){b=this.graph._nodes;d=new Float32Array(4);this.deselectAllNodes();var g=Math.abs(this.dragging_rectangle[2]),f=Math.abs(this.dragging_rectangle[3]),r=0>this.dragging_rectangle[3]?this.dragging_rectangle[1]-f:this.dragging_rectangle[1];this.dragging_rectangle[0]=
-0>this.dragging_rectangle[2]?this.dragging_rectangle[0]-g:this.dragging_rectangle[0];this.dragging_rectangle[1]=r;this.dragging_rectangle[2]=g;this.dragging_rectangle[3]=f;f=[];for(r=0;r<b.length;++r)g=b[r],g.getBounding(d),u(this.dragging_rectangle,d)&&f.push(g);f.length&&this.selectNodes(f)}this.dragging_rectangle=null}else if(this.connecting_node){this.dirty_bgcanvas=this.dirty_canvas=!0;if(g=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes))this.connecting_output.type==h.EVENT&&
-this.isOverNodeBox(g,a.canvasX,a.canvasY)?this.connecting_node.connect(this.connecting_slot,g,h.EVENT):(b=this.isOverNodeInput(g,a.canvasX,a.canvasY),-1!=b?this.connecting_node.connect(this.connecting_slot,g,b):(b=g.getInputInfo(0),this.connecting_output.type==h.EVENT?this.connecting_node.connect(this.connecting_slot,g,h.EVENT):b&&!b.link&&h.isValidConnection(b.type&&this.connecting_output.type)&&this.connecting_node.connect(this.connecting_slot,g,0)));this.connecting_node=this.connecting_pos=this.connecting_output=
-null;this.connecting_slot=-1}else if(this.resizing_node)this.dirty_bgcanvas=this.dirty_canvas=!0,this.resizing_node=null;else if(this.node_dragged){(g=this.node_dragged)&&300>a.click_time&&w(a.canvasX,a.canvasY,g.pos[0],g.pos[1]-h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT)&&g.collapse();this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_dragged.pos[0]=Math.round(this.node_dragged.pos[0]);this.node_dragged.pos[1]=Math.round(this.node_dragged.pos[1]);this.graph.config.align_to_grid&&
-this.node_dragged.alignToGrid();if(this.onNodeMoved)this.onNodeMoved(this.node_dragged);this.node_dragged=null}else{g=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes);!g&&300>a.click_time&&this.deselectAllNodes();this.dirty_canvas=!0;this.dragging_canvas=!1;if(this.node_over&&this.node_over.onMouseUp)this.node_over.onMouseUp(a,[a.canvasX-this.node_over.pos[0],a.canvasY-this.node_over.pos[1]],this);if(this.node_capturing_input&&this.node_capturing_input.onMouseUp)this.node_capturing_input.onMouseUp(a,
-[a.canvasX-this.node_capturing_input.pos[0],a.canvasY-this.node_capturing_input.pos[1]])}}else 2==a.which?(this.dirty_canvas=!0,this.dragging_canvas=!1):3==a.which&&(this.dirty_canvas=!0,this.dragging_canvas=!1);this.graph.change();a.stopPropagation();a.preventDefault();return!1}};e.prototype.processMouseWheel=function(a){if(this.graph&&this.allow_dragcanvas){var b=null!=a.wheelDeltaY?a.wheelDeltaY:-60*a.detail;this.adjustMouseEvent(a);var d=this.ds.scale;0<b?d*=1.1:0>b&&(d*=1/1.1);this.ds.changeScale(d,
-[a.localX,a.localY]);this.graph.change();a.preventDefault();return!1}};e.prototype.isOverNodeBox=function(a,b,d){var g=h.NODE_TITLE_HEIGHT;return w(b,d,a.pos[0]+2,a.pos[1]+2-g,g-4,g-4)?!0:!1};e.prototype.isOverNodeInput=function(a,b,d,g){if(a.inputs)for(var f=0,h=a.inputs.length;f<h;++f){var s=a.getConnectionPos(!0,f),c=!1;if(c=a.horizontal?w(b,d,s[0]-5,s[1]-10,10,20):w(b,d,s[0]-10,s[1]-5,40,10))return g&&(g[0]=s[0],g[1]=s[1]),f}return-1};e.prototype.processKey=function(a){if(this.graph){var b=!1;
-if("input"!=a.target.localName){if("keydown"==a.type){if(32==a.keyCode&&(b=this.dragging_canvas=!0),65==a.keyCode&&a.ctrlKey&&(this.selectNodes(),b=!0),"KeyC"==a.code&&(a.metaKey||a.ctrlKey)&&!a.shiftKey&&this.selected_nodes&&(this.copyToClipboard(),b=!0),"KeyV"!=a.code||!a.metaKey&&!a.ctrlKey||a.shiftKey||this.pasteFromClipboard(),46!=a.keyCode&&8!=a.keyCode||"input"==a.target.localName||"textarea"==a.target.localName||(this.deleteSelectedNodes(),b=!0),this.selected_nodes)for(var d in this.selected_nodes)if(this.selected_nodes[d].onKeyDown)this.selected_nodes[d].onKeyDown(a)}else if("keyup"==
-a.type&&(32==a.keyCode&&(this.dragging_canvas=!1),this.selected_nodes))for(d in this.selected_nodes)if(this.selected_nodes[d].onKeyUp)this.selected_nodes[d].onKeyUp(a);this.graph.change();if(b)return a.preventDefault(),a.stopImmediatePropagation(),!1}}};e.prototype.copyToClipboard=function(){var a={nodes:[],links:[]},b=0,d=[],g;for(g in this.selected_nodes){var f=this.selected_nodes[g];f._relative_id=b;d.push(f);b+=1}for(g=0;g<d.length;++g)if(f=d[g],b=f.clone()){if(a.nodes.push(b.serialize()),f.inputs&&
-f.inputs.length)for(b=0;b<f.inputs.length;++b){var h=f.inputs[b];if(h&&null!=h.link&&(h=this.graph.links[h.link])){var s=this.graph.getNodeById(h.origin_id);s&&this.selected_nodes[s.id]&&a.links.push([s._relative_id,h.origin_slot,f._relative_id,h.target_slot])}}}else console.warn("node type not found: "+f.type);localStorage.setItem("litegrapheditor_clipboard",JSON.stringify(a))};e.prototype.pasteFromClipboard=function(){var a=localStorage.getItem("litegrapheditor_clipboard");if(a){for(var a=JSON.parse(a),
-b=[],d=0;d<a.nodes.length;++d){var g=a.nodes[d],f=h.createNode(g.type);f&&(f.configure(g),f.pos[0]+=5,f.pos[1]+=5,this.graph.add(f),b.push(f))}for(d=0;d<a.links.length;++d){var g=a.links[d],f=b[g[0]],r=b[g[2]];f&&r?f.connect(g[1],r,g[3]):console.warn("Warning, nodes missing on pasting")}this.selectNodes(b)}};e.prototype.processDrop=function(a){a.preventDefault();this.adjustMouseEvent(a);var b=[a.canvasX,a.canvasY],d=this.graph.getNodeOnPos(b[0],b[1]);if(d){if((d.onDropFile||d.onDropData)&&(b=a.dataTransfer.files)&&
-b.length)for(var g=0;g<b.length;g++){var f=a.dataTransfer.files[0],h=f.name;e.getFileExtension(h);if(d.onDropFile)d.onDropFile(f);if(d.onDropData){var s=new FileReader;s.onload=function(a){d.onDropData(a.target.result,h,f)};var c=f.type.split("/")[0];"text"==c||""==c?s.readAsText(f):"image"==c?s.readAsDataURL(f):s.readAsArrayBuffer(f)}}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)};
-e.prototype.checkDropItem=function(a){if(a.dataTransfer.files.length){var b=a.dataTransfer.files[0],d=e.getFileExtension(b.name).toLowerCase();if(d=h.node_types_by_file_extension[d])if(d=h.createNode(d.type),d.pos=[a.canvasX,a.canvasY],this.graph.add(d),d.onDropFile)d.onDropFile(b)}};e.prototype.processNodeDblClicked=function(a){if(this.onShowNodePanel)this.onShowNodePanel(a);if(this.onNodeDblClicked)this.onNodeDblClicked(a);this.setDirty(!0)};e.prototype.processNodeSelected=function(a,b){this.selectNode(a,
-b&&b.shiftKey);if(this.onNodeSelected)this.onNodeSelected(a)};e.prototype.selectNode=function(a,b){null==a?this.deselectAllNodes():this.selectNodes([a],b)};e.prototype.selectNodes=function(a,b){b||this.deselectAllNodes();a=a||this.graph._nodes;for(var d=0;d<a.length;++d){var g=a[d];if(!g.is_selected){if(!g.is_selected&&g.onSelected)g.onSelected();g.is_selected=!0;this.selected_nodes[g.id]=g;if(g.inputs)for(var f=0;f<g.inputs.length;++f)this.highlighted_links[g.inputs[f].link]=!0;if(g.outputs)for(f=
-0;f<g.outputs.length;++f){var h=g.outputs[f];if(h.links)for(var s=0;s<h.links.length;++s)this.highlighted_links[h.links[s]]=!0}}}if(this.onSelectionChange)this.onSelectionChange(this.selected_nodes);this.setDirty(!0)};e.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 d=
-a.outputs[b];if(d.links)for(var g=0;g<d.links.length;++g)delete this.highlighted_links[d.links[g]]}}};e.prototype.deselectAllNodes=function(){if(this.graph){for(var a=this.graph._nodes,b=0,d=a.length;b<d;++b){var g=a[b];if(g.is_selected){if(g.onDeselected)g.onDeselected();g.is_selected=!1;if(this.onNodeDeselected)this.onNodeDeselected(g)}}this.selected_nodes={};this.current_node=null;this.highlighted_links={};if(this.onSelectionChange)this.onSelectionChange(this.selected_nodes);this.setDirty(!0)}};
-e.prototype.deleteSelectedNodes=function(){for(var a in this.selected_nodes){var b=this.selected_nodes[a];if(b.inputs&&b.inputs.length&&b.outputs&&b.outputs.length&&h.isValidConnection(b.inputs[0].type,b.outputs[0].type)&&b.inputs[0].link&&b.outputs[0].links&&b.outputs[0].links.length){var d=b.graph.links[b.inputs[0].link],g=b.graph.links[b.outputs[0].links[0]],f=b.getInputNode(0),r=b.getOutputNodes(0)[0];f&&r&&f.connect(d.origin_slot,r,g.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)};e.prototype.centerOnNode=function(a){this.ds.offset[0]=-a.pos[0]-0.5*a.size[0]+0.5*this.canvas.width/this.ds.scale;this.ds.offset[1]=-a.pos[1]-0.5*a.size[1]+0.5*this.canvas.height/this.ds.scale;this.setDirty(!0,!0)};e.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]};e.prototype.setZoom=function(a,b){this.ds.changeScale(a,b);this.dirty_bgcanvas=this.dirty_canvas=!0};e.prototype.convertOffsetToCanvas=function(a,b){return this.ds.convertOffsetToCanvas(a,b)};e.prototype.convertCanvasToOffset=function(a,b){return this.ds.convertCanvasToOffset(a,
-b)};e.prototype.convertEventToCanvasOffset=function(a){var b=this.canvas.getBoundingClientRect();return this.convertCanvasToOffset([a.clientX-b.left,a.clientY-b.top])};e.prototype.bringToFront=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.push(a))};e.prototype.sendToBack=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.unshift(a))};var z=new Float32Array(4);e.prototype.computeVisibleNodes=
-function(a,b){var d=b||[];d.length=0;a=a||this.graph._nodes;for(var g=0,f=a.length;g<f;++g){var h=a[g];(!this.live_mode||h.onDrawBackground||h.onDrawForeground)&&u(this.visible_area,h.getBounding(z))&&d.push(h)}return d};e.prototype.draw=function(a,b){if(this.canvas){var d=h.getTime();this.render_time=0.001*(d-this.last_draw_time);this.last_draw_time=d;this.graph&&this.ds.computeVisibleArea();(this.dirty_bgcanvas||b||this.always_render_background||this.graph&&this.graph._last_trigger_time&&1E3>d-
-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}};e.prototype.drawFrontCanvas=function(){this.dirty_canvas=!1;this.ctx||(this.ctx=this.bgcanvas.getContext("2d"));var a=this.ctx;if(a){a.start2D&&a.start2D();var b=this.canvas;a.restore();a.setTransform(1,0,0,1,0,0);this.dirty_area&&(a.save(),a.beginPath(),a.rect(this.dirty_area[0],this.dirty_area[1],this.dirty_area[2],this.dirty_area[3]),
-a.clip());this.clear_background&&a.clearRect(0,0,b.width,b.height);this.bgcanvas==this.canvas?this.drawBackCanvas():a.drawImage(this.bgcanvas,0,0);if(this.onRender)this.onRender(b,a);this.show_info&&this.renderInfo(a);if(this.graph){a.save();this.ds.toCanvasContext(a);for(var b=this.computeVisibleNodes(null,this.visible_nodes),d=0;d<b.length;++d){var g=b[d];a.save();a.translate(g.pos[0],g.pos[1]);this.drawNode(g,a);a.restore()}this.render_execution_order&&this.drawExecutionOrder(a);this.graph.config.links_ontop&&
-(this.live_mode||this.drawConnections(a));if(null!=this.connecting_pos){a.lineWidth=this.connections_width;b=null;switch(this.connecting_output.type){case h.EVENT:b=h.EVENT_LINK_COLOR;break;default:b=h.CONNECTING_LINK_COLOR}this.renderLink(a,this.connecting_pos,[this.canvas_mouse[0],this.canvas_mouse[1]],null,!1,null,b,this.connecting_output.dir||(this.connecting_node.horizontal?h.DOWN:h.RIGHT),h.CENTER);a.beginPath();this.connecting_output.type===h.EVENT||this.connecting_output.shape===h.BOX_SHAPE?
-a.rect(this.connecting_pos[0]-6+0.5,this.connecting_pos[1]-5+0.5,14,10):a.arc(this.connecting_pos[0],this.connecting_pos[1],4,0,2*Math.PI);a.fill();a.fillStyle="#ffcc00";this._highlight_input&&(a.beginPath(),a.arc(this._highlight_input[0],this._highlight_input[1],6,0,2*Math.PI),a.fill())}this.dragging_rectangle&&(a.strokeStyle="#FFF",a.strokeRect(this.dragging_rectangle[0],this.dragging_rectangle[1],this.dragging_rectangle[2],this.dragging_rectangle[3]));if(this.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()}if(this.onDrawOverlay)this.onDrawOverlay(a);this.dirty_area&&a.restore();a.finish2D&&a.finish2D()}};e.prototype.renderInfo=function(a,b,d){b=b||0;d=d||0;a.save();a.translate(b,d);a.font="10px Arial";a.fillStyle="#888";this.graph?(a.fillText("T: "+this.graph.globaltime.toFixed(2)+"s",5,13),a.fillText("I: "+this.graph.iteration,5,26),a.fillText("N: "+
-this.graph._nodes.length+" ["+this.visible_nodes.length+"]",5,39),a.fillText("V: "+this.graph._version,5,52),a.fillText("FPS:"+this.fps.toFixed(2),5,65)):a.fillText("No graph selected",5,13);a.restore()};e.prototype.drawBackCanvas=function(){var a=this.bgcanvas;if(a.width!=this.canvas.width||a.height!=this.canvas.height)a.width=this.canvas.width,a.height=this.canvas.height;this.bgctx||(this.bgctx=this.bgcanvas.getContext("2d"));var b=this.bgctx;b.start&&b.start();this.clear_background&&b.clearRect(0,
-0,a.width,a.height);if(this._graph_stack&&this._graph_stack.length){b.save();var d=this.graph._subgraph_node;b.strokeStyle=d.bgcolor;b.lineWidth=10;b.strokeRect(1,1,a.width-2,a.height-2);b.lineWidth=1;b.font="40px Arial";b.textAlign="center";b.fillStyle=d.bgcolor||"#AAA";for(var g="",f=1;f<this._graph_stack.length;++f)g+=this._graph_stack[f]._subgraph_node.getTitle()+" >> ";b.fillText(g+d.getTitle(),0.5*a.width,40);b.restore()}d=!1;this.onRenderBackground&&(d=this.onRenderBackground(a,b));b.restore();
-b.setTransform(1,0,0,1,0,0);this.visible_links.length=0;if(this.graph){b.save();this.ds.toCanvasContext(b);if(this.background_image&&0.5<this.ds.scale&&!d){b.globalAlpha=this.zoom_modify_alpha?(1-0.5/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 h=this;
-this._bg_img.onload=function(){h.draw(!0,!0)}}d=null;null==this._pattern&&0<this._bg_img.width?(d=b.createPattern(this._bg_img,"repeat"),this._pattern_img=this._bg_img,this._pattern=d):d=this._pattern;d&&(b.fillStyle=d,b.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2],this.visible_area[3]),b.fillStyle="transparent");b.globalAlpha=1;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 y=new Float32Array(2);e.prototype.drawNode=function(a,b){this.current_node=a;var d=a.color||a.constructor.color||h.NODE_DEFAULT_COLOR,g=a.bgcolor||a.constructor.bgcolor||h.NODE_DEFAULT_BGCOLOR,f=0.6>this.ds.scale;if(this.live_mode){if(!a.flags.collapsed&&(b.shadowColor="transparent",a.onDrawForeground))a.onDrawForeground(b,this,this.canvas)}else{var r=this.editor_alpha;b.globalAlpha=r;this.render_shadows&&!f?(b.shadowColor=
-h.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||!0!=a.onDrawCollapsed(b,this)){var s=a._shape||h.BOX_SHAPE;y.set(a.size);var c=a.horizontal;if(a.flags.collapsed){b.font=this.inner_text_font;var k=a.getTitle?a.getTitle():a.title;null!=k&&(a._collapsed_width=Math.min(a.size[0],b.measureText(k).width+2*h.NODE_TITLE_HEIGHT),y[0]=a._collapsed_width,y[1]=0)}a.clip_area&&
-(b.save(),b.beginPath(),s==h.BOX_SHAPE?b.rect(0,0,y[0],y[1]):s==h.ROUND_SHAPE?b.roundRect(0,0,y[0],y[1],10):s==h.CIRCLE_SHAPE&&b.arc(0.5*y[0],0.5*y[1],0.5*y[0],0,2*Math.PI),b.clip());a.has_errors&&(g="red");this.drawNodeShape(a,b,y,d,g,a.is_selected,a.mouseOver);b.shadowColor="transparent";if(a.onDrawForeground)a.onDrawForeground(b,this,this.canvas);b.textAlign=c?"center":"left";b.font=this.inner_text_font;g=!f;s=this.connecting_output;b.lineWidth=1;var k=0,e=new Float32Array(2);if(!a.flags.collapsed){if(a.inputs)for(d=
-0;d<a.inputs.length;d++){var p=a.inputs[d];b.globalAlpha=r;this.connecting_node&&!h.isValidConnection(p.type,s.type)&&(b.globalAlpha=0.4*r);b.fillStyle=null!=p.link?p.color_on||this.default_connection_color.input_on:p.color_off||this.default_connection_color.input_off;var t=a.getConnectionPos(!0,d,e);t[0]-=a.pos[0];t[1]-=a.pos[1];k<t[1]+0.5*h.NODE_SLOT_HEIGHT&&(k=t[1]+0.5*h.NODE_SLOT_HEIGHT);b.beginPath();p.type===h.EVENT||p.shape===h.BOX_SHAPE?c?b.rect(t[0]-5+0.5,t[1]-8+0.5,10,14):b.rect(t[0]-6+
-0.5,t[1]-5+0.5,14,10):p.shape===h.ARROW_SHAPE?(b.moveTo(t[0]+8,t[1]+0.5),b.lineTo(t[0]-4,t[1]+6+0.5),b.lineTo(t[0]-4,t[1]-6+0.5),b.closePath()):f?b.rect(t[0]-4,t[1]-4,8,8):b.arc(t[0],t[1],4,0,2*Math.PI);b.fill();if(g){var q=null!=p.label?p.label:p.name;q&&(b.fillStyle=h.NODE_TEXT_COLOR,c||p.dir==h.UP?b.fillText(q,t[0],t[1]-10):b.fillText(q,t[0]+10,t[1]+5))}}this.connecting_node&&(b.globalAlpha=0.4*r);b.textAlign=c?"center":"right";b.strokeStyle="black";if(a.outputs)for(d=0;d<a.outputs.length;d++)if(p=
-a.outputs[d],t=a.getConnectionPos(!1,d,e),t[0]-=a.pos[0],t[1]-=a.pos[1],k<t[1]+0.5*h.NODE_SLOT_HEIGHT&&(k=t[1]+0.5*h.NODE_SLOT_HEIGHT),b.fillStyle=p.links&&p.links.length?p.color_on||this.default_connection_color.output_on:p.color_off||this.default_connection_color.output_off,b.beginPath(),p.type===h.EVENT||p.shape===h.BOX_SHAPE?c?b.rect(t[0]-5+0.5,t[1]-8+0.5,10,14):b.rect(t[0]-6+0.5,t[1]-5+0.5,14,10):p.shape===h.ARROW_SHAPE?(b.moveTo(t[0]+8,t[1]+0.5),b.lineTo(t[0]-4,t[1]+6+0.5),b.lineTo(t[0]-4,t[1]-
-6+0.5),b.closePath()):f?b.rect(t[0]-4,t[1]-4,8,8):b.arc(t[0],t[1],4,0,2*Math.PI),b.fill(),f||b.stroke(),g&&(q=null!=p.label?p.label:p.name))b.fillStyle=h.NODE_TEXT_COLOR,c||p.dir==h.DOWN?b.fillText(q,t[0],t[1]-8):b.fillText(q,t[0]-10,t[1]+5);b.textAlign="left";b.globalAlpha=1;if(a.widgets){p=k;if(c||a.widgets_up)p=2;null!=a.widgets_start_y&&(p=a.widgets_start_y);this.drawNodeWidgets(a,p,b,this.node_widget&&this.node_widget[0]==a?this.node_widget[1]:null)}}else if(this.render_collapsed_slots){f=r=
-null;if(a.inputs)for(d=0;d<a.inputs.length;d++)if(p=a.inputs[d],null!=p.link){r=p;break}if(a.outputs)for(d=0;d<a.outputs.length;d++)p=a.outputs[d],p.links&&p.links.length&&(f=p);r&&(r=0,d=-0.5*h.NODE_TITLE_HEIGHT,c&&(r=0.5*a._collapsed_width,d=-h.NODE_TITLE_HEIGHT),b.fillStyle="#686",b.beginPath(),p.type===h.EVENT||p.shape===h.BOX_SHAPE?b.rect(r-7+0.5,d-4,14,8):p.shape===h.ARROW_SHAPE?(b.moveTo(r+8,d),b.lineTo(r+-4,d-4),b.lineTo(r+-4,d+4),b.closePath()):b.arc(r,d,4,0,2*Math.PI),b.fill());f&&(r=a._collapsed_width,
-d=-0.5*h.NODE_TITLE_HEIGHT,c&&(r=0.5*a._collapsed_width,d=0),b.fillStyle="#686",b.strokeStyle="black",b.beginPath(),p.type===h.EVENT||p.shape===h.BOX_SHAPE?b.rect(r-7+0.5,d-4,14,8):p.shape===h.ARROW_SHAPE?(b.moveTo(r+6,d),b.lineTo(r-6,d-4),b.lineTo(r-6,d+4),b.closePath()):b.arc(r,d,4,0,2*Math.PI),b.fill())}a.clip_area&&b.restore();b.globalAlpha=1}}};e.prototype.drawLinkTooltip=function(a,b){var d=b._pos;a.fillStyle="black";a.beginPath();a.arc(d[0],d[1],3,0,2*Math.PI);a.fill();if(null!=b.data&&(!this.onDrawLinkTooltip||
-!0!=this.onDrawLinkTooltip(a,b,this))){var g=b.data,f=null,f=g.constructor===Number?g.toFixed(2):g.constructor===String?'"'+g+'"':g.constructor===Boolean?String(g):g.toToolTip?g.toToolTip():"["+g.constructor.name+"]";null!=f&&(f=f.substr(0,30),a.font="14px Courier New",g=a.measureText(f).width+20,a.shadowColor="black",a.shadowOffsetX=2,a.shadowOffsetY=2,a.shadowBlur=3,a.fillStyle="#454",a.beginPath(),a.roundRect(d[0]-0.5*g,d[1]-15-24,g,24,3,3),a.moveTo(d[0]-10,d[1]-15),a.lineTo(d[0]+10,d[1]-15),a.lineTo(d[0],
-d[1]-5),a.fill(),a.shadowColor="transparent",a.textAlign="center",a.fillStyle="#CEC",a.fillText(f,d[0],d[1]-15-24*0.3))}};var v=new Float32Array(4);e.prototype.drawNodeShape=function(a,b,d,g,f,r,s){b.strokeStyle=g;b.fillStyle=f;f=h.NODE_TITLE_HEIGHT;var c=0.5>this.ds.scale,k=a._shape||a.constructor.shape||h.ROUND_SHAPE,p=a.constructor.title_mode,q=!0;p==h.TRANSPARENT_TITLE?q=!1:p==h.AUTOHIDE_TITLE&&s&&(q=!0);v[0]=0;v[1]=q?-f:0;v[2]=d[0]+1;v[3]=q?d[1]+f:d[1];s=b.globalAlpha;b.beginPath();k==h.BOX_SHAPE||
-c?b.fillRect(v[0],v[1],v[2],v[3]):k==h.ROUND_SHAPE||k==h.CARD_SHAPE?b.roundRect(v[0],v[1],v[2],v[3],this.round_radius,k==h.CARD_SHAPE?0:this.round_radius):k==h.CIRCLE_SHAPE&&b.arc(0.5*d[0],0.5*d[1],0.5*d[0],0,2*Math.PI);b.fill();a.flags.collapsed||(b.shadowColor="transparent",b.fillStyle="rgba(0,0,0,0.2)",b.fillRect(0,-1,v[2],2));b.shadowColor="transparent";if(a.onDrawBackground)a.onDrawBackground(b,this,this.canvas);if(q||p==h.TRANSPARENT_TITLE){if(a.onDrawTitleBar)a.onDrawTitleBar(b,f,d,this.ds.scale,
-g);else if(p!=h.TRANSPARENT_TITLE&&(a.constructor.title_color||this.render_title_colored)){q=a.constructor.title_color||g;a.flags.collapsed&&(b.shadowColor=h.DEFAULT_SHADOW_COLOR);if(this.use_gradients){var t=e.gradients[q];t||(t=e.gradients[q]=b.createLinearGradient(0,0,400,0),t.addColorStop(0,q),t.addColorStop(1,"#000"));b.fillStyle=t}else b.fillStyle=q;b.beginPath();k==h.BOX_SHAPE||c?b.rect(0,-f,d[0]+1,f):k!=h.ROUND_SHAPE&&k!=h.CARD_SHAPE||b.roundRect(0,-f,d[0]+1,f,this.round_radius,a.flags.collapsed?
-this.round_radius:0);b.fill();b.shadowColor="transparent"}if(a.onDrawTitleBox)a.onDrawTitleBox(b,f,d,this.ds.scale);else k==h.ROUND_SHAPE||k==h.CIRCLE_SHAPE||k==h.CARD_SHAPE?(c&&(b.fillStyle="black",b.beginPath(),b.arc(0.5*f,-0.5*f,6,0,2*Math.PI),b.fill()),b.fillStyle=a.boxcolor||h.NODE_DEFAULT_BOXCOLOR,c?b.fillRect(0.5*f-5,-0.5*f-5,10,10):(b.beginPath(),b.arc(0.5*f,-0.5*f,5,0,2*Math.PI),b.fill())):(c&&(b.fillStyle="black",b.fillRect(0.5*(f-10)-1,-0.5*(f+10)-1,12,12)),b.fillStyle=a.boxcolor||h.NODE_DEFAULT_BOXCOLOR,
-b.fillRect(0.5*(f-10),-0.5*(f+10),10,10));b.globalAlpha=s;if(a.onDrawTitleText)a.onDrawTitleText(b,f,d,this.ds.scale,this.title_text_font,r);!c&&(b.font=this.title_text_font,c=String(a.getTitle()))&&(b.fillStyle=r?"white":a.constructor.title_text_color||this.node_title_color,a.flags.collapsed?(b.textAlign="left",b.measureText(c),b.fillText(c.substr(0,20),f,h.NODE_TITLE_TEXT_Y-f),b.textAlign="left"):(b.textAlign="left",b.fillText(c,f,h.NODE_TITLE_TEXT_Y-f)));if(a.onDrawTitle)a.onDrawTitle(b)}if(r){if(a.onBounding)a.onBounding(v);
-p==h.TRANSPARENT_TITLE&&(v[1]-=f,v[3]+=f);b.lineWidth=1;b.globalAlpha=0.8;b.beginPath();k==h.BOX_SHAPE?b.rect(-6+v[0],-6+v[1],12+v[2],12+v[3]):k==h.ROUND_SHAPE||k==h.CARD_SHAPE&&a.flags.collapsed?b.roundRect(-6+v[0],-6+v[1],12+v[2],12+v[3],2*this.round_radius):k==h.CARD_SHAPE?b.roundRect(-6+v[0],-6+v[1],12+v[2],12+v[3],2*this.round_radius,2):k==h.CIRCLE_SHAPE&&b.arc(0.5*d[0],0.5*d[1],0.5*d[0]+6,0,2*Math.PI);b.strokeStyle="#FFF";b.stroke();b.strokeStyle=g;b.globalAlpha=1}};var G=new Float32Array(4),
-p=new Float32Array(4),q=new Float32Array(2),k=new Float32Array(2);e.prototype.drawConnections=function(a){var b=h.getTime(),d=this.visible_area;G[0]=d[0]-20;G[1]=d[1]-20;G[2]=d[2]+40;G[3]=d[3]+40;a.lineWidth=this.connections_width;a.fillStyle="#AAA";a.strokeStyle="#AAA";a.globalAlpha=this.editor_alpha;for(var d=this.graph._nodes,g=0,f=d.length;g<f;++g){var r=d[g];if(r.inputs&&r.inputs.length)for(var s=0;s<r.inputs.length;++s){var c=r.inputs[s];if(c&&null!=c.link&&(c=this.graph.links[c.link])){var e=
-this.graph.getNodeById(c.origin_id);if(null!=e){var z=c.origin_slot,l=null,l=-1==z?[e.pos[0]+10,e.pos[1]+10]:e.getConnectionPos(!1,z,q),t=r.getConnectionPos(!0,s,k);p[0]=l[0];p[1]=l[1];p[2]=t[0]-l[0];p[3]=t[1]-l[1];0>p[2]&&(p[0]+=p[2],p[2]=Math.abs(p[2]));0>p[3]&&(p[1]+=p[3],p[3]=Math.abs(p[3]));if(u(p,G)){var n=e.outputs[z],z=r.inputs[s];if(n&&z&&(e=n.dir||(e.horizontal?h.DOWN:h.RIGHT),z=z.dir||(r.horizontal?h.UP:h.LEFT),this.renderLink(a,l,t,c,!1,0,null,e,z),c&&c._last_time&&1E3>b-c._last_time)){var n=
-2-0.002*(b-c._last_time),K=a.globalAlpha;a.globalAlpha=K*n;this.renderLink(a,l,t,c,!0,n,"white",e,z);a.globalAlpha=K}}}}}}a.globalAlpha=1};e.prototype.renderLink=function(a,b,d,g,f,r,c,k,p,q){g&&this.visible_links.push(g);!c&&g&&(c=g.color||e.link_type_colors[g.type]);c||(c=this.default_link_color);null!=g&&this.highlighted_links[g.id]&&(c="#FFF");k=k||h.RIGHT;p=p||h.LEFT;var z=C(b,d);this.render_connections_border&&0.6<this.ds.scale&&(a.lineWidth=this.connections_width+4);a.lineJoin="round";q=q||
-1;1<q&&(a.lineWidth=0.5);a.beginPath();for(var t=0;t<q;t+=1){var l=5*(t-0.5*(q-1));if(this.links_render_mode==h.SPLINE_LINK){a.moveTo(b[0],b[1]+l);var n=0,y=0,u=0,m=0;switch(k){case h.LEFT:n=-0.25*z;break;case h.RIGHT:n=0.25*z;break;case h.UP:y=-0.25*z;break;case h.DOWN:y=0.25*z}switch(p){case h.LEFT:u=-0.25*z;break;case h.RIGHT:u=0.25*z;break;case h.UP:m=-0.25*z;break;case h.DOWN:m=0.25*z}a.bezierCurveTo(b[0]+n,b[1]+y+l,d[0]+u,d[1]+m+l,d[0],d[1]+l)}else if(this.links_render_mode==h.LINEAR_LINK){a.moveTo(b[0],
-b[1]+l);m=u=y=n=0;switch(k){case h.LEFT:n=-1;break;case h.RIGHT:n=1;break;case h.UP:y=-1;break;case h.DOWN:y=1}switch(p){case h.LEFT:u=-1;break;case h.RIGHT:u=1;break;case h.UP:m=-1;break;case h.DOWN:m=1}a.lineTo(b[0]+15*n,b[1]+15*y+l);a.lineTo(d[0]+15*u,d[1]+15*m+l);a.lineTo(d[0],d[1]+l)}else if(this.links_render_mode==h.STRAIGHT_LINK)a.moveTo(b[0],b[1]),l=b[0],n=b[1],y=d[0],u=d[1],k==h.RIGHT?l+=10:n+=10,p==h.LEFT?y-=10:u-=10,a.lineTo(l,n),a.lineTo(0.5*(l+y),n),a.lineTo(0.5*(l+y),u),a.lineTo(y,u),
-a.lineTo(d[0],d[1]);else return}this.render_connections_border&&0.6<this.ds.scale&&!f&&(a.strokeStyle="rgba(0,0,0,0.5)",a.stroke());a.lineWidth=this.connections_width;a.fillStyle=a.strokeStyle=c;a.stroke();f=this.computeConnectionPoint(b,d,0.5,k,p);g&&g._pos&&(g._pos[0]=f[0],g._pos[1]=f[1]);0.6<=this.ds.scale&&this.highquality_render&&p!=h.CENTER&&(this.render_connection_arrows&&(t=this.computeConnectionPoint(b,d,0.25,k,p),g=this.computeConnectionPoint(b,d,0.26,k,p),q=this.computeConnectionPoint(b,
-d,0.75,k,p),z=this.computeConnectionPoint(b,d,0.76,k,p),n=l=0,this.render_curved_connections?(l=-Math.atan2(g[0]-t[0],g[1]-t[1]),n=-Math.atan2(z[0]-q[0],z[1]-q[1])):n=l=d[1]>b[1]?0:Math.PI,a.save(),a.translate(t[0],t[1]),a.rotate(l),a.beginPath(),a.moveTo(-5,-3),a.lineTo(0,7),a.lineTo(5,-3),a.fill(),a.restore(),a.save(),a.translate(q[0],q[1]),a.rotate(n),a.beginPath(),a.moveTo(-5,-3),a.lineTo(0,7),a.lineTo(5,-3),a.fill(),a.restore()),a.beginPath(),a.arc(f[0],f[1],5,0,2*Math.PI),a.fill());if(r)for(a.fillStyle=
-c,t=0;5>t;++t)r=(0.001*h.getTime()+0.2*t)%1,f=this.computeConnectionPoint(b,d,r,k,p),a.beginPath(),a.arc(f[0],f[1],5,0,2*Math.PI),a.fill()};e.prototype.computeConnectionPoint=function(a,b,d,g,f){g=g||h.RIGHT;f=f||h.LEFT;var r=C(a,b),c=[a[0],a[1]],k=[b[0],b[1]];switch(g){case h.LEFT:c[0]+=-0.25*r;break;case h.RIGHT:c[0]+=0.25*r;break;case h.UP:c[1]+=-0.25*r;break;case h.DOWN:c[1]+=0.25*r}switch(f){case h.LEFT:k[0]+=-0.25*r;break;case h.RIGHT:k[0]+=0.25*r;break;case h.UP:k[1]+=-0.25*r;break;case h.DOWN:k[1]+=
-0.25*r}g=(1-d)*(1-d)*(1-d);f=3*(1-d)*(1-d)*d;r=3*(1-d)*d*d;d*=d*d;return[g*a[0]+f*c[0]+r*k[0]+d*b[0],g*a[1]+f*c[1]+r*k[1]+d*b[1]]};e.prototype.drawExecutionOrder=function(a){a.shadowColor="transparent";a.globalAlpha=0.25;a.textAlign="center";a.strokeStyle="white";a.globalAlpha=0.75;for(var b=this.visible_nodes,d=0;d<b.length;++d){var g=b[d];a.fillStyle="black";a.fillRect(g.pos[0]-h.NODE_TITLE_HEIGHT,g.pos[1]-h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT);0==g.order&&a.strokeRect(g.pos[0]-
-h.NODE_TITLE_HEIGHT+0.5,g.pos[1]-h.NODE_TITLE_HEIGHT+0.5,h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT);a.fillStyle="#FFF";a.fillText(g.order,g.pos[0]+-0.5*h.NODE_TITLE_HEIGHT,g.pos[1]-6)}a.globalAlpha=1};e.prototype.drawNodeWidgets=function(a,b,d,g){if(!a.widgets||!a.widgets.length)return 0;var f=a.size[0],r=a.widgets;b+=2;var c=h.NODE_WIDGET_HEIGHT,k=0.5<this.ds.scale;d.save();d.globalAlpha=this.editor_alpha;for(var p=h.WIDGET_OUTLINE_COLOR,e=h.WIDGET_BGCOLOR,q=h.WIDGET_TEXT_COLOR,t=h.WIDGET_SECONDARY_TEXT_COLOR,
-z=0;z<r.length;++z){var l=r[z],n=b;l.y&&(n=l.y);l.last_y=n;d.strokeStyle=p;d.fillStyle="#222";d.textAlign="left";l.disabled&&(d.globalAlpha*=0.5);switch(l.type){case "button":l.clicked&&(d.fillStyle="#AAA",l.clicked=!1,this.dirty_canvas=!0);d.fillRect(15,n,f-30,c);k&&d.strokeRect(15,n,f-30,c);k&&(d.textAlign="center",d.fillStyle=q,d.fillText(l.name,0.5*f,n+0.7*c));break;case "toggle":d.textAlign="left";d.strokeStyle=p;d.fillStyle=e;d.beginPath();k?d.roundRect(15,b,f-30,c,0.5*c):d.rect(15,b,f-30,c);
-d.fill();k&&d.stroke();d.fillStyle=l.value?"#89A":"#333";d.beginPath();d.arc(f-30,n+0.5*c,0.36*c,0,2*Math.PI);d.fill();k&&(d.fillStyle=t,null!=l.name&&d.fillText(l.name,30,n+0.7*c),d.fillStyle=l.value?q:t,d.textAlign="right",d.fillText(l.value?l.options.on||"true":l.options.off||"false",f-40,n+0.7*c));break;case "slider":d.fillStyle=e;d.fillRect(15,n,f-30,c);var y=l.options.max-l.options.min,u=(l.value-l.options.min)/y;d.fillStyle=g==l?"#89A":"#678";d.fillRect(15,n,u*(f-30),c);k&&d.strokeRect(15,
-n,f-30,c);l.marker&&(y=(l.marker-l.options.min)/y,d.fillStyle="#AA9",d.fillRect(15+y*(f-30),n,2,c));k&&(d.textAlign="center",d.fillStyle=q,d.fillText(l.name+"  "+Number(l.value).toFixed(3),0.5*f,n+0.7*c));break;case "number":case "combo":d.textAlign="left";d.strokeStyle=p;d.fillStyle=e;d.beginPath();k?d.roundRect(15,b,f-30,c,0.5*c):d.rect(15,b,f-30,c);d.fill();k&&(d.stroke(),d.fillStyle=q,d.beginPath(),d.moveTo(31,b+5),d.lineTo(21,b+0.5*c),d.lineTo(31,b+c-5),d.fill(),d.beginPath(),d.moveTo(f-15-16,
-b+5),d.lineTo(f-15-6,b+0.5*c),d.lineTo(f-15-16,b+c-5),d.fill(),d.fillStyle=t,d.fillText(l.name,35,n+0.7*c),d.fillStyle=q,d.textAlign="right","number"==l.type?d.fillText(Number(l.value).toFixed(void 0!==l.options.precision?l.options.precision:3),f-30-20,n+0.7*c):(y=l.value,l.options.values&&(u=l.options.values,u.constructor===Function&&(u=u()),u&&u.constructor!==Array&&(y=u[l.value])),d.fillText(y,f-30-20,n+0.7*c)));break;case "string":case "text":d.textAlign="left";d.strokeStyle=p;d.fillStyle=e;d.beginPath();
-k?d.roundRect(15,b,f-30,c,0.5*c):d.rect(15,b,f-30,c);d.fill();k&&(d.save(),d.beginPath(),d.rect(15,b,f-30,c),d.clip(),d.stroke(),d.fillStyle=t,null!=l.name&&d.fillText(l.name,30,n+0.7*c),d.fillStyle=q,d.textAlign="right",d.fillText(String(l.value).substr(0,30),f-30,n+0.7*c),d.restore());break;default:l.draw&&l.draw(d,a,l,n,c)}b+=c+4;d.globalAlpha=this.editor_alpha}d.restore();d.textAlign="left"};e.prototype.processNodeWidgets=function(a,b,d,g){function f(f,g){f.value=g;f.options&&f.options.property&&
-void 0!==a.properties[f.options.property]&&a.setProperty(f.options.property,g);f.callback&&f.callback(f.value,p,a,b,d)}if(!a.widgets||!a.widgets.length)return null;for(var c=b[0]-a.pos[0],s=b[1]-a.pos[1],k=a.size[0],p=this,e=this.getCanvasWindow(),q=0;q<a.widgets.length;++q){var t=a.widgets[q];if(t&&!t.disabled&&(t==g||6<c&&c<k-12&&s>t.last_y&&s<t.last_y+h.NODE_WIDGET_HEIGHT)){switch(t.type){case "button":if("mousemove"===d.type)break;t.callback&&setTimeout(function(){t.callback(t,p,a,b,d)},20);this.dirty_canvas=
-t.clicked=!0;break;case "slider":e=Math.clamp((c-10)/(k-20),0,1);t.value=t.options.min+(t.options.max-t.options.min)*e;t.callback&&setTimeout(function(){f(t,t.value)},20);this.dirty_canvas=!0;break;case "number":case "combo":g=t.value;if("mousemove"==d.type&&"number"==t.type)t.value+=0.1*d.deltaX*(t.options.step||1),null!=t.options.min&&t.value<t.options.min&&(t.value=t.options.min),null!=t.options.max&&t.value>t.options.max&&(t.value=t.options.max);else if("mousedown"==d.type){var l=t.options.values;
-l&&l.constructor===Function&&(l=t.options.values(t,a));var z=null;"number"!=t.type&&(z=l.constructor===Array?l:Object.keys(l));c=40>c?-1:c>k-40?1:0;if("number"==t.type)t.value+=0.1*c*(t.options.step||1),null!=t.options.min&&t.value<t.options.min&&(t.value=t.options.min),null!=t.options.max&&t.value>t.options.max&&(t.value=t.options.max);else if(c)e=-1,e=l.constructor===Object?z.indexOf(String(t.value))+c:z.indexOf(t.value)+c,e>=z.length&&(e=z.length-1),0>e&&(e=0),t.value=l.constructor===Array?l[e]:
-e;else{var n=l!=z?Object.values(l):l;new h.ContextMenu(n,{scale:Math.max(1,this.ds.scale),event:d,className:"dark",callback:y.bind(t)},e);var y=function(a,b,d){l!=z&&(a=n.indexOf(a));this.value=a;f(this,a);p.dirty_canvas=!0;return!1}}}else"mouseup"==d.type&&"number"==t.type&&(c=40>c?-1:c>k-40?1:0,200>d.click_time&&0==c&&this.prompt("Value",t.value,function(a){this.value=Number(a);f(this,this.value)}.bind(t),d));g!=t.value&&setTimeout(function(){f(this,this.value)}.bind(t),20);this.dirty_canvas=!0;
-break;case "toggle":"mousedown"==d.type&&(t.value=!t.value,setTimeout(function(){f(t,t.value)},20));break;case "string":case "text":"mousedown"==d.type&&this.prompt("Value",t.value,function(a){this.value=a;f(this,a)}.bind(t),d);break;default:t.mouse&&t.mouse(ctx,d,[c,s],a)}return t}}return null};e.prototype.drawGroups=function(a,b){if(this.graph){var d=this.graph._groups;b.save();b.globalAlpha=0.5*this.editor_alpha;for(var g=0;g<d.length;++g){var f=d[g];if(u(this.visible_area,f._bounding)){b.fillStyle=
-f.color||"#335";b.strokeStyle=f.color||"#335";var c=f._pos,s=f._size;b.globalAlpha=0.25*this.editor_alpha;b.beginPath();b.rect(c[0]+0.5,c[1]+0.5,s[0],s[1]);b.fill();b.globalAlpha=this.editor_alpha;b.stroke();b.beginPath();b.moveTo(c[0]+s[0],c[1]+s[1]);b.lineTo(c[0]+s[0]-10,c[1]+s[1]);b.lineTo(c[0]+s[0],c[1]+s[1]-10);b.fill();s=f.font_size||h.DEFAULT_GROUP_FONT_SIZE;b.font=s+"px Arial";b.fillText(f.title,c[0]+4,c[1]+s)}}b.restore()}};e.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)};e.prototype.resize=function(a,b){if(!a&&!b){var d=this.canvas.parentNode;a=d.offsetWidth;b=d.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)};e.prototype.switchLiveMode=function(a){if(a){var b=this,d=this.live_mode?1.1:0.9;this.live_mode&&(this.live_mode=!1,this.editor_alpha=0.1);
-var g=setInterval(function(){b.editor_alpha*=d;b.dirty_canvas=!0;b.dirty_bgcanvas=!0;1>d&&0.01>b.editor_alpha&&(clearInterval(g),1>d&&(b.live_mode=!0));1<d&&0.99<b.editor_alpha&&(clearInterval(g),b.editor_alpha=1)},1)}else this.live_mode=!this.live_mode,this.dirty_bgcanvas=this.dirty_canvas=!0};e.prototype.onNodeSelectionChange=function(a){};e.prototype.touchHandler=function(a){var b=a.changedTouches[0],d="";switch(a.type){case "touchstart":d="mousedown";break;case "touchmove":d="mousemove";break;
-case "touchend":d="mouseup";break;default:return}var g=this.getCanvasWindow(),f=g.document.createEvent("MouseEvent");f.initMouseEvent(d,!0,!0,g,1,b.screenX,b.screenY,b.clientX,b.clientY,!1,!1,!1,!1,0,null);b.target.dispatchEvent(f);a.preventDefault()};e.onGroupAdd=function(a,b,d){a=e.active_canvas;a.getCanvasWindow();b=new h.LGraphGroup;b.pos=a.convertEventToCanvasOffset(d);a.graph.add(b)};e.onMenuAdd=function(a,b,d,g,f){function c(a,b){var d=g.getFirstEvent(),r=h.createNode(a.value);r&&(r.pos=s.convertEventToCanvasOffset(d),
-s.graph.add(r));f&&f(r)}var s=e.active_canvas,k=s.getCanvasWindow();a=h.getNodeTypesCategories(s.filter);b=[];for(var p in a)a[p]&&b.push({value:a[p],content:a[p],has_submenu:!0});var q=new h.ContextMenu(b,{event:d,callback:function(a,b,d){a=h.getNodeTypesInCategory(a.value,s.filter);b=[];for(var f in a)a[f].skip_list||b.push({content:a[f].title,value:a[f].type});new h.ContextMenu(b,{event:d,callback:c,parentMenu:q},k);return!1},parentMenu:g},k);return!1};e.onMenuCollapseAll=function(){};e.onMenuNodeEdit=
-function(){};e.showMenuNodeOptionalInputs=function(a,b,d,g,f){function c(a,b,d){f&&(a.callback&&a.callback.call(s,f,a,b,d),a.value&&(f.addInput(a.value[0],a.value[1],a.value[2]),f.setDirtyCanvas(!0,!0)))}if(f){var s=this;a=e.active_canvas.getCanvasWindow();b=f.optional_inputs;f.onGetInputs&&(b=f.onGetInputs());var k=[];if(b)for(var p in b){var q=b[p];if(q){var l=q[0];q[2]&&q[2].label&&(l=q[2].label);l={content:l,value:q};q[1]==h.ACTION&&(l.className="event");k.push(l)}else k.push(null)}this.onMenuNodeInputs&&
-(k=this.onMenuNodeInputs(k));if(k.length)return new h.ContextMenu(k,{event:d,callback:c,parentMenu:g,node:f},a),!1}};e.showMenuNodeOptionalOutputs=function(a,b,d,g,f){function c(a,b,d){if(f&&(a.callback&&a.callback.call(k,f,a,b,d),a.value))if(d=a.value[1],!d||d.constructor!==Object&&d.constructor!==Array)f.addOutput(a.value[0],a.value[1],a.value[2]),f.setDirtyCanvas(!0,!0);else{a=[];for(var p in d)a.push({content:p,value:d[p]});new h.ContextMenu(a,{event:b,callback:c,parentMenu:g,node:f});return!1}}
-if(f){var k=this;a=e.active_canvas.getCanvasWindow();b=f.optional_outputs;f.onGetOutputs&&(b=f.onGetOutputs());var p=[];if(b)for(var q in b){var l=b[q];if(!l)p.push(null);else if(!f.flags||!f.flags.skip_repeated_outputs||-1==f.findOutputSlot(l[0])){var z=l[0];l[2]&&l[2].label&&(z=l[2].label);z={content:z,value:l};l[1]==h.EVENT&&(z.className="event");p.push(z)}}this.onMenuNodeOutputs&&(p=this.onMenuNodeOutputs(p));if(p.length)return new h.ContextMenu(p,{event:d,callback:c,parentMenu:g,node:f},a),!1}};
-e.onShowMenuNodeProperties=function(a,b,d,g,f){function c(a,b,d,g){f&&(b=this.getBoundingClientRect(),k.showEditPropertyValue(f,a.value,{position:[b.left,b.top]}))}if(f&&f.properties){var k=e.active_canvas;b=k.getCanvasWindow();var p=[],q;for(q in f.properties)a=void 0!==f.properties[q]?f.properties[q]:" ","object"==typeof a&&(a=JSON.stringify(a)),a=e.decodeHTML(a),p.push({content:"<span class='property_name'>"+q+"</span><span class='property_value'>"+a+"</span>",value:q});if(p.length)return new h.ContextMenu(p,
-{event:d,callback:c,parentMenu:g,allow_html:!0,node:f},b),!1}};e.decodeHTML=function(a){var b=document.createElement("div");b.innerText=a;return b.innerHTML};e.onResizeNode=function(a,b,d,g,f){f&&(f.size=f.computeSize(),f.setDirtyCanvas(!0,!0))};e.prototype.showLinkMenu=function(a,b){var d=this;console.log(a);var g=new h.ContextMenu(["Add Node",null,"Delete"],{event:b,title:null!=a.data?a.data.constructor.name:null,callback:function(b,h,c){switch(b){case "Add Node":e.onMenuAdd(null,null,c,g,function(b){console.log("node autoconnect");
-var f=d.graph.getNodeById(a.origin_id),g=d.graph.getNodeById(a.target_id);b.inputs&&b.inputs.length&&b.outputs&&b.outputs.length&&f.outputs[a.origin_slot].type==b.inputs[0].type&&b.outputs[0].type==g.inputs[0].type&&(f.connect(a.origin_slot,b,0),b.connect(0,g,a.target_slot),b.pos[0]-=0.5*b.size[0])});break;case "Delete":d.graph.removeLink(a.id)}}});return!1};e.onShowPropertyEditor=function(a,b,d,g,f){function h(){var b=p.value;"Number"==a.type?b=Number(b):"Boolean"==a.type&&(b=Boolean(b));f[c]=b;
-k.parentNode&&k.parentNode.removeChild(k);f.setDirtyCanvas(!0,!0)}var c=a.property||"title";b=f[c];var k=document.createElement("div");k.className="graphdialog";k.innerHTML="<span class='name'></span><input autofocus type='text' class='value'/><button>OK</button>";k.querySelector(".name").innerText=c;var p=k.querySelector("input");p&&(p.value=b,p.addEventListener("blur",function(a){this.focus()}),p.addEventListener("keydown",function(a){13==a.keyCode&&(h(),a.preventDefault(),a.stopPropagation())}));
-b=e.active_canvas.canvas;d=b.getBoundingClientRect();var q=g=-20;d&&(g-=d.left,q-=d.top);event?(k.style.left=event.clientX+g+"px",k.style.top=event.clientY+q+"px"):(k.style.left=0.5*b.width+g+"px",k.style.top=0.5*b.height+q+"px");k.querySelector("button").addEventListener("click",h);b.parentNode.appendChild(k)};e.prototype.prompt=function(a,b,d,g){var f=this;a=a||"";var h=!1,c=document.createElement("div");c.className="graphdialog rounded";c.innerHTML="<span class='name'></span> <input autofocus type='text' class='value'/><button class='rounded'>OK</button>";
-c.close=function(){f.prompt_box=null;c.parentNode&&c.parentNode.removeChild(c)};1<this.ds.scale&&(c.style.transform="scale("+this.ds.scale+")");c.addEventListener("mouseleave",function(a){h||c.close()});f.prompt_box&&f.prompt_box.close();f.prompt_box=c;c.querySelector(".name").innerText=a;c.querySelector(".value").value=b;var k=c.querySelector("input");k.addEventListener("keydown",function(a){h=!0;if(27==a.keyCode)c.close();else if(13==a.keyCode)d&&d(this.value),c.close();else return;a.preventDefault();
-a.stopPropagation()});c.querySelector("button").addEventListener("click",function(a){d&&d(k.value);f.setDirty(!0);c.close()});a=e.active_canvas.canvas;b=a.getBoundingClientRect();var p=-20,q=-20;b&&(p-=b.left,q-=b.top);g?(c.style.left=g.clientX+p+"px",c.style.top=g.clientY+q+"px"):(c.style.left=0.5*a.width+p+"px",c.style.top=0.5*a.height+q+"px");a.parentNode.appendChild(c);setTimeout(function(){k.focus()},10);return c};e.search_limit=-1;e.prototype.showSearchBox=function(a){function b(b){if(b)if(f.onSearchBoxSelection)f.onSearchBoxSelection(b,
-a,c);else{var d=h.searchbox_extras[b.toLowerCase()];d&&(b=d.type);if(b=h.createNode(b))b.pos=c.convertEventToCanvasOffset(a),c.graph.add(b);if(d&&d.data){if(d.data.properties)for(var g in d.data.properties)b.addProperty(g,d.data.properties[g]);if(d.data.inputs)for(g in b.inputs=[],d.data.inputs)b.addOutput(d.data.inputs[g][0],d.data.inputs[g][1]);if(d.data.outputs)for(g in b.outputs=[],d.data.outputs)b.addOutput(d.data.outputs[g][0],d.data.outputs[g][1]);d.data.title&&(b.title=d.data.title);d.data.json&&
-b.configure(d.data.json)}}q.close()}function d(a){var b=y;y&&y.classList.remove("selected");y?(y=a?y.nextSibling:y.previousSibling)||(y=b):y=a?z.childNodes[0]:z.childNodes[z.childNodes.length];y&&(y.classList.add("selected"),y.scrollIntoView({block:"end",behavior:"smooth"}))}function g(){function a(d,f){var g=document.createElement("div");t||(t=d);g.innerText=d;g.dataset.type=escape(d);g.className="litegraph lite-search-item";f&&(g.className+=" "+f);g.addEventListener("click",function(a){b(unescape(this.dataset.type))});
-z.appendChild(g)}n=null;var d=u.value;t=null;z.innerHTML="";if(d)if(f.onSearchBox){var g=f.onSearchBox(z,d,c);if(g)for(var k=0;k<g.length;++k)a(g[k])}else{var g=0,d=d.toLowerCase(),p=c.filter||c.graph.filter;for(k in h.searchbox_extras){var s=h.searchbox_extras[k];if(-1!==s.desc.toLowerCase().indexOf(d)){var q=h.registered_node_types[s.type];if(!q||!q.filter||q.filter==p)if(a(s.desc,"searchbox_extra"),-1!==e.search_limit&&g++>e.search_limit)break}}s=null;if(Array.prototype.filter)s=Object.keys(h.registered_node_types).filter(l);
-else for(k in s=[],h.registered_node_types)l(k)&&s.push(k);for(k=0;k<s.length&&!(a(s[k]),-1!==e.search_limit&&g++>e.search_limit);k++);var l=function(a){var b=h.registered_node_types[a];return p&&b.filter!=p?!1:-1!==a.toLowerCase().indexOf(d)}}}var f=this,c=e.active_canvas,k=c.canvas,p=k.ownerDocument||document,q=document.createElement("div");q.className="litegraph litesearchbox graphdialog rounded";q.innerHTML="<span class='name'>Search</span> <input autofocus type='text' class='value rounded'/><div class='helper'></div>";
-q.close=function(){f.search_box=null;p.body.focus();p.body.style.overflow="";setTimeout(function(){f.canvas.focus()},20);q.parentNode&&q.parentNode.removeChild(q)};var l=null;1<this.ds.scale&&(q.style.transform="scale("+this.ds.scale+")");q.addEventListener("mouseenter",function(a){l&&(clearTimeout(l),l=null)});q.addEventListener("mouseleave",function(a){l=setTimeout(function(){q.close()},500)});f.search_box&&f.search_box.close();f.search_box=q;var z=q.querySelector(".helper"),t=null,n=null,y=null,
-u=q.querySelector("input");u&&(u.addEventListener("blur",function(a){this.focus()}),u.addEventListener("keydown",function(a){if(38==a.keyCode)d(!1);else if(40==a.keyCode)d(!0);else if(27==a.keyCode)q.close();else if(13==a.keyCode)y?b(y.innerHTML):t?b(t):q.close();else{n&&clearInterval(n);n=setTimeout(g,10);return}a.preventDefault();a.stopPropagation();a.stopImmediatePropagation();return!0}));p.fullscreenElement?p.fullscreenElement.appendChild(q):(p.body.appendChild(q),p.body.style.overflow="hidden");
-var k=k.getBoundingClientRect(),m=(a?a.clientY:k.top+0.5*k.height)-20;q.style.left=(a?a.clientX:k.left+0.5*k.width)-80+"px";q.style.top=m+"px";a.layerY>k.height-200&&(z.style.maxHeight=k.height-a.layerY-20+"px");u.focus();return q};e.prototype.showEditPropertyValue=function(a,b,d){function g(){f(t.value)}function f(f){"number"==typeof a.properties[b]&&(f=Number(f));if("array"==h||"object"==h)f=JSON.parse(f);a.properties[b]=f;a._graph&&a._graph._version++;if(a.onPropertyChanged)a.onPropertyChanged(b,
-f);if(d.onclose)d.onclose();e.close();a.setDirtyCanvas(!0,!0)}if(a&&void 0!==a.properties[b]){d=d||{};var c=a.getPropertyInfo(b),h=c.type,k="";if("string"==h||"number"==h||"array"==h||"object"==h)k="<input autofocus type='text' class='value'/>";else if("enum"==h&&c.values){var k="<select autofocus type='text' class='value'>",p;for(p in c.values)var q=c.values.constructor===Array?c.values[p]:p,k=k+("<option value='"+q+"' "+(q==a.properties[b]?"selected":"")+">"+c.values[p]+"</option>");k+="</select>"}else if("boolean"==
-h)k="<input autofocus type='checkbox' class='value' "+(a.properties[b]?"checked":"")+"/>";else{console.warn("unknown type: "+h);return}var e=this.createDialog("<span class='name'>"+b+"</span>"+k+"<button>OK</button>",d);if("enum"==h&&c.values){var t=e.querySelector("select");t.addEventListener("change",function(a){f(a.target.value)})}else if("boolean"==h)(t=e.querySelector("input"))&&t.addEventListener("click",function(a){f(!!t.checked)});else if(t=e.querySelector("input"))t.addEventListener("blur",
-function(a){this.focus()}),q=void 0!==a.properties[b]?a.properties[b]:"",q=JSON.stringify(q),t.value=q,t.addEventListener("keydown",function(a){13==a.keyCode&&(g(),a.preventDefault(),a.stopPropagation())});e.querySelector("button").addEventListener("click",g);return e}};e.prototype.createDialog=function(a,b){b=b||{};var d=document.createElement("div");d.className="graphdialog";d.innerHTML=a;var g=this.canvas.getBoundingClientRect(),f=-20,c=-20;g&&(f-=g.left,c-=g.top);b.position?(f+=b.position[0],
-c+=b.position[1]):b.event?(f+=b.event.clientX,c+=b.event.clientY):(f+=0.5*this.canvas.width,c+=0.5*this.canvas.height);d.style.left=f+"px";d.style.top=c+"px";this.canvas.parentNode.appendChild(d);d.close=function(){this.parentNode&&this.parentNode.removeChild(this)};return d};e.onMenuNodeCollapse=function(a,b,d,g,f){f.collapse()};e.onMenuNodePin=function(a,b,d,g,f){f.pin()};e.onMenuNodeMode=function(a,b,d,g,f){new h.ContextMenu(["Always","On Event","On Trigger","Never"],{event:d,callback:function(a){if(f)switch(a){case "On Event":f.mode=
-h.ON_EVENT;break;case "On Trigger":f.mode=h.ON_TRIGGER;break;case "Never":f.mode=h.NEVER;break;default:f.mode=h.ALWAYS}},parentMenu:g,node:f});return!1};e.onMenuNodeColors=function(a,b,d,g,f){if(!f)throw"no node for color";b=[];b.push({value:null,content:"<span style='display: block; padding-left: 4px;'>No color</span>"});for(var c in e.node_colors)a=e.node_colors[c],a={value:c,content:"<span style='display: block; color: #999; padding-left: 4px; border-left: 8px solid "+a.color+"; background-color:"+
-a.bgcolor+"'>"+c+"</span>"},b.push(a);new h.ContextMenu(b,{event:d,callback:function(a){f&&((a=a.value?e.node_colors[a.value]:null)?f.constructor===h.LGraphGroup?f.color=a.groupcolor:(f.color=a.color,f.bgcolor=a.bgcolor):(delete f.color,delete f.bgcolor),f.setDirtyCanvas(!0,!0))},parentMenu:g,node:f});return!1};e.onMenuNodeShapes=function(a,b,d,g,f){if(!f)throw"no node passed";new h.ContextMenu(h.VALID_SHAPES,{event:d,callback:function(a){f&&(f.shape=a,f.setDirtyCanvas(!0))},parentMenu:g,node:f});
-return!1};e.onMenuNodeRemove=function(a,b,d,g,f){if(!f)throw"no node passed";!1!==f.removable&&(f.graph.remove(f),f.setDirtyCanvas(!0,!0))};e.onMenuNodeClone=function(a,b,d,g,f){!1!=f.clonable&&(a=f.clone())&&(a.pos=[f.pos[0]+5,f.pos[1]+5],f.graph.add(a),f.setDirtyCanvas(!0,!0))};e.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"}};e.prototype.getCanvasMenuOptions=function(){var a=null;this.getMenuOptions?a=this.getMenuOptions():(a=[{content:"Add Node",has_submenu:!0,callback:e.onMenuAdd},{content:"Add Group",callback:e.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};e.prototype.getNodeMenuOptions=function(a){var b=null,b=a.getMenuOptions?a.getMenuOptions(this):[{content:"Inputs",has_submenu:!0,disabled:!0,callback:e.showMenuNodeOptionalInputs},{content:"Outputs",has_submenu:!0,disabled:!0,callback:e.showMenuNodeOptionalOutputs},null,{content:"Properties",has_submenu:!0,
-callback:e.onShowMenuNodeProperties},null,{content:"Title",callback:e.onShowPropertyEditor},{content:"Mode",has_submenu:!0,callback:e.onMenuNodeMode},{content:"Resize",callback:e.onResizeNode},{content:"Collapse",callback:e.onMenuNodeCollapse},{content:"Pin",callback:e.onMenuNodePin},{content:"Colors",has_submenu:!0,callback:e.onMenuNodeColors},{content:"Shapes",has_submenu:!0,callback:e.onMenuNodeShapes},null];if(a.onGetInputs){var d=a.onGetInputs();d&&d.length&&(b[0].disabled=!1)}a.onGetOutputs&&
-(d=a.onGetOutputs())&&d.length&&(b[1].disabled=!1);a.getExtraMenuOptions&&(d=a.getExtraMenuOptions(this))&&(d.push(null),b=d.concat(b));!1!==a.clonable&&b.push({content:"Clone",callback:e.onMenuNodeClone});!1!==a.removable&&b.push(null,{content:"Remove",callback:e.onMenuNodeRemove});if(a.graph&&a.graph.onGetNodeMenuOptions)a.graph.onGetNodeMenuOptions(b,a);return b};e.prototype.getGroupMenuOptions=function(a){return[{content:"Title",callback:e.onShowPropertyEditor},{content:"Color",has_submenu:!0,
-callback:e.onMenuNodeColors},{content:"Font size",property:"font_size",type:"Number",callback:e.onShowPropertyEditor},null,{content:"Remove",callback:e.onMenuNodeRemove}]};e.prototype.processContextMenu=function(a,b){var d=this,g=e.active_canvas.getCanvasWindow(),f=null,c={event:b,callback:function(b,f,g){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 c=b.input?a.getInputInfo(b.slot):a.getOutputInfo(b.slot),h=d.createDialog("<span class='name'>Name</span><input autofocus type='text'/><button>OK</button>",f),k=h.querySelector("input");k&&c&&(k.value=c.label||"");h.querySelector("button").addEventListener("click",function(a){k.value&&(c&&(c.label=k.value),d.setDirty(!0));h.close()})}},extra:a};a&&(c.title=a.type);var k=null;a&&(k=a.getSlotInPosition(b.canvasX,b.canvasY),e.active_node=
-a);if(k){f=[];k&&k.output&&k.output.links&&k.output.links.length&&f.push({content:"Disconnect Links",slot:k});var p=k.input||k.output;f.push(p.locked?"Cannot remove":{content:"Remove Slot",slot:k});f.push(p.nameLocked?"Cannot rename":{content:"Rename Slot",slot:k});c.title=(k.input?k.input.type:k.output.type)||"*";k.input&&k.input.type==h.ACTION&&(c.title="Action");k.output&&k.output.type==h.EVENT&&(c.title="Event")}else a?f=this.getNodeMenuOptions(a):(f=this.getCanvasMenuOptions(),(k=this.graph.getGroupOnPos(b.canvasX,
-b.canvasY))&&f.push(null,{content:"Edit Group",has_submenu:!0,submenu:{title:"Group",extra:k,options:this.getGroupMenuOptions(k)}}));f&&new h.ContextMenu(f,c,g)};"undefined"!=typeof window&&window.CanvasRenderingContext2D&&(window.CanvasRenderingContext2D.prototype.roundRect=function(a,b,d,g,f,c){void 0===f&&(f=5);void 0===c&&(c=f);this.moveTo(a+f,b);this.lineTo(a+d-f,b);this.quadraticCurveTo(a+d,b,a+d,b+f);this.lineTo(a+d,b+g-c);this.quadraticCurveTo(a+d,b+g,a+d-c,b+g);this.lineTo(a+c,b+g);this.quadraticCurveTo(a,
-b+g,a,b+g-c);this.lineTo(a,b+f);this.quadraticCurveTo(a,b,a+f,b)});h.compareObjects=function(a,b){for(var d in a)if(a[d]!=b[d])return!1;return!0};h.distance=C;h.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")+")"};h.isInsideRectangle=w;h.growBounding=function(a,b,d){b<a[0]?a[0]=b:b>a[2]&&(a[2]=b);d<a[1]?a[1]=d:d>a[3]&&(a[3]=d)};h.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};h.overlapBounding=u;h.hex2num=function(a){"#"==a.charAt(0)&&(a=a.slice(1));a=a.toUpperCase();for(var b=Array(3),d=0,g,f,c=0;6>c;c+=2)g="0123456789ABCDEF".indexOf(a.charAt(c)),f="0123456789ABCDEF".indexOf(a.charAt(c+1)),b[d]=16*g+f,d++;return b};h.num2hex=function(a){for(var b="#",d,g,f=0;3>f;f++)d=a[f]/16,g=a[f]%16,b+="0123456789ABCDEF".charAt(d)+"0123456789ABCDEF".charAt(g);return b};D.prototype.addItem=function(a,b,d){function g(a){var b=
-this.value;b&&b.has_submenu&&f.call(this,a)}function f(a){var b=this.value,f=!0;c.current_submenu&&c.current_submenu.close(a);if(d.callback){var g=d.callback.call(this,b,d,a,c,d.node);!0===g&&(f=!1)}if(b&&(b.callback&&!d.ignore_item_callbacks&&!0!==b.disabled&&(g=b.callback.call(this,b,d,a,c,d.extra),!0===g&&(f=!1)),b.submenu)){if(!b.submenu.options)throw"ContextMenu submenu needs options";new c.constructor(b.submenu.options,{callback:b.submenu.callback,event:a,parentMenu:c,ignore_item_callbacks:b.submenu.ignore_item_callbacks,
-title:b.submenu.title,extra:b.submenu.extra,autoopen:d.autoopen});f=!1}f&&!c.lock&&c.close()}var c=this;d=d||{};var h=document.createElement("div");h.className="litemenu-entry submenu";var k=!1;if(null===b)h.classList.add("separator");else{h.innerHTML=b&&b.title?b.title:a;if(h.value=b)b.disabled&&(k=!0,h.classList.add("disabled")),(b.submenu||b.has_submenu)&&h.classList.add("has_submenu");"function"==typeof b?(h.dataset.value=a,h.onclick_callback=b):h.dataset.value=b;b.className&&(h.className+=" "+
-b.className)}this.root.appendChild(h);k||h.addEventListener("click",f);d.autoopen&&h.addEventListener("mouseenter",g);return h};D.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&&!D.isCursorOverElement(a,this.parentMenu.root)&&D.trigger(this.parentMenu.root,"mouseleave",a));this.current_submenu&&this.current_submenu.close(a,!0);this.root.closing_timer&&
-clearTimeout(this.root.closing_timer)};D.trigger=function(a,b,d,g){var f=document.createEvent("CustomEvent");f.initCustomEvent(b,!0,!0,d);f.srcElement=g;a.dispatchEvent?a.dispatchEvent(f):a.__events&&a.__events.dispatchEvent(f);return f};D.prototype.getTopMenu=function(){return this.options.parentMenu?this.options.parentMenu.getTopMenu():this};D.prototype.getFirstEvent=function(){return this.options.parentMenu?this.options.parentMenu.getFirstEvent():this.options.event};D.isCursorOverElement=function(a,
-b){var d=a.clientX,g=a.clientY,f=b.getBoundingClientRect();return f?g>f.top&&g<f.top+f.height&&d>f.left&&d<f.left+f.width?!0:!1:!1};h.ContextMenu=D;h.closeAllContextMenus=function(a){a=a||window;a=a.document.querySelectorAll(".litecontextmenu");if(a.length){for(var b=[],d=0;d<a.length;d++)b.push(a[d]);for(d in b)b[d].close?b[d].close():b[d].parentNode&&b[d].parentNode.removeChild(b[d])}};h.extendClass=function(a,b){for(var d in b)a.hasOwnProperty(d)||(a[d]=b[d]);if(b.prototype)for(d in b.prototype)b.prototype.hasOwnProperty(d)&&
-!a.prototype.hasOwnProperty(d)&&(b.prototype.__lookupGetter__(d)?a.prototype.__defineGetter__(d,b.prototype.__lookupGetter__(d)):a.prototype[d]=b.prototype[d],b.prototype.__lookupSetter__(d)&&a.prototype.__defineSetter__(d,b.prototype.__lookupSetter__(d)))};A.sampleCurve=function(a,b){if(b){for(var d=0;d<b.length-1;++d){var g=b[d],f=b[d+1];if(!(f[0]<a)){d=f[0]-g[0];if(1E-5>Math.abs(d))return g[1];d=(a-g[0])/d;return g[1]*(1-d)+f[1]*d}}return 0}};A.prototype.draw=function(a,b,d,g,f,c){if(d=this.points){this.size=
-b;var h=b[0]-2*this.margin;b=b[1]-2*this.margin;f=f||"#666";a.save();a.translate(this.margin,this.margin);g&&(a.fillStyle="#111",a.fillRect(0,0,h,b),a.fillStyle="#222",a.fillRect(0.5*h,0,1,b),a.strokeStyle="#333",a.strokeRect(0,0,h,b));a.strokeStyle=f;c&&(a.globalAlpha=0.5);a.beginPath();for(g=0;g<d.length;++g)f=d[g],a.lineTo(f[0]*h,(1-f[1])*b);a.stroke();a.globalAlpha=1;if(!c)for(g=0;g<d.length;++g)f=d[g],a.fillStyle=this.selected==g?"#FFF":this.nearest==g?"#DDD":"#AAA",a.beginPath(),a.arc(f[0]*
-h,(1-f[1])*b,2,0,2*Math.PI),a.fill();a.restore()}};A.prototype.onMouseDown=function(a,b){var d=this.points;if(d&&!(0>a[1])){var g=this.size[0]-2*this.margin,f=this.size[1]-2*this.margin,c=a[0]-this.margin,h=a[1]-this.margin;this.selected=this.getCloserPoint([c,h],30/b.ds.scale);-1==this.selected&&(g=[c/g,1-h/f],d.push(g),d.sort(function(a,b){return a[0]-b[0]}),this.selected=d.indexOf(g),this.must_update=!0);if(-1!=this.selected)return!0}};A.prototype.onMouseMove=function(a,b){var d=this.points;if(d){var g=
-this.selected;if(!(0>g)){var f=(a[0]-this.margin)/(this.size[0]-2*this.margin),c=(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);var h=d[g];if(h){var k=0==g||g==d.length-1;!k&&(-10>a[0]||a[0]>this.size[0]+10||-10>a[1]||a[1]>this.size[1]+10)?(d.splice(g,1),this.selected=-1):(h[0]=k?0==g?0:1:Math.clamp(f,0,1),h[1]=1-Math.clamp(c,0,1),d.sort(function(a,b){return a[0]-b[0]}),this.selected=d.indexOf(h),this.must_update=
-!0)}}}};A.prototype.onMouseUp=function(a,b){this.selected=-1;return!1};A.prototype.getCloserPoint=function(a,b){var d=this.points;if(!d)return-1;b=b||30;for(var g=this.size[0]-2*this.margin,f=this.size[1]-2*this.margin,c=d.length,h=[0,0],k=1E6,p=-1,q=0;q<c;++q){var e=d[q];h[0]=e[0]*g;h[1]=(1-e[1])*f;e=vec2.distance(a,h);e>k||e>b||(p=q,k=e)}return p};h.CurveEditor=A;h.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,d){return b>a?b:d<a?d:a};"undefined"==typeof window||window.requestAnimationFrame||(window.requestAnimationFrame=window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(a){window.setTimeout(a,1E3/60)})})(this);"undefined"!=typeof exports&&(exports.LiteGraph=this.LiteGraph);
+k=r.getBoundingClientRect();0==c.height&&console.error("document.body height is 0. That is dangerous, set html,body { height: 100%; }");c.width&&f>c.width-k.width-10&&(f=c.width-k.width-10);c.height&&h>c.height-k.height-10&&(h=c.height-k.height-10)}r.style.left=f+"px";r.style.top=h+"px";b.scale&&(r.style.transform="scale("+b.scale+")")}function A(a){this.points=a;this.nearest=this.selected=-1;this.size=null;this.must_update=!0;this.margin=5}var h=B.LiteGraph={VERSION:0.4,CANVAS_GRID_SIZE:10,NODE_TITLE_HEIGHT:30,
+NODE_TITLE_TEXT_Y:20,NODE_SLOT_HEIGHT:20,NODE_WIDGET_HEIGHT:20,NODE_WIDTH:140,NODE_MIN_WIDTH:50,NODE_COLLAPSED_RADIUS:10,NODE_COLLAPSED_WIDTH:80,NODE_TITLE_COLOR:"#999",NODE_TEXT_SIZE:14,NODE_TEXT_COLOR:"#AAA",NODE_SUBTEXT_SIZE:12,NODE_DEFAULT_COLOR:"#333",NODE_DEFAULT_BGCOLOR:"#353535",NODE_DEFAULT_BOXCOLOR:"#666",NODE_DEFAULT_SHAPE:"box",DEFAULT_SHADOW_COLOR:"rgba(0,0,0,0.5)",DEFAULT_GROUP_FONT:24,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:{},searchbox_extras:{},registerNodeType:function(a,b){if(!b.prototype)throw"Cannot register a simple object, it must be a class with a prototype";b.type=a;h.debug&&console.log("Node registered: "+a);a.split("/");var d=b.name,g=a.lastIndexOf("/");b.category=a.substr(0,g);b.title||(b.title=d);if(b.prototype)for(var f in n.prototype)b.prototype[f]||(b.prototype[f]=n.prototype[f]);if(g=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=h.BOX_SHAPE;break;case "round":this._shape=h.ROUND_SHAPE;break;case "circle":this._shape=h.CIRCLE_SHAPE;break;case "card":this._shape=h.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(f in b.supported_extensions){var r=b.supported_extensions[f];r&&r.constructor===String&&(this.node_types_by_file_extension[r.toLowerCase()]=b)}this.registered_node_types[a]=b;b.constructor.name&&(this.Nodes[d]=b);if(h.onNodeTypeRegistered)h.onNodeTypeRegistered(a,b);if(g&&h.onNodeTypeReplaced)h.onNodeTypeReplaced(a,b,g)},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,d,g,f){for(var r=Array(b.length),s="",c=h.getParameterNames(b),k=0;k<c.length;++k)s+="this.addInput('"+c[k]+"',"+(d&&d[k]?"'"+d[k]+"'":"0")+");\n";s+="this.addOutput('out',"+(g?"'"+g+"'":0)+");\n";f&&(s+="this.properties = "+JSON.stringify(f)+";\n");d=Function(s);d.title=a.split("/").pop();d.desc="Generated from "+b.name;d.prototype.onExecute=
+function(){for(var a=0;a<r.length;++a)r[a]=this.getInputData(a);a=b.apply(this,r);this.setOutputData(0,a)};this.registerNodeType(a,d)},addNodeMethod:function(a,b){n.prototype[a]=b;for(var d in this.registered_node_types){var g=this.registered_node_types[d];g.prototype[a]&&(g.prototype["_"+a]=g.prototype[a]);g.prototype[a]=b}},createNode:function(a,b,d){var g=this.registered_node_types[a];if(!g)return h.debug&&console.log('GraphNode type "'+a+'" not registered.'),null;b=b||g.title||a;var f=null;if(h.catch_exceptions)try{f=
+new g(b)}catch(r){return console.error(r),null}else f=new g(b);f.type=a;!f.title&&b&&(f.title=b);f.properties||(f.properties={});f.properties_info||(f.properties_info=[]);f.flags||(f.flags={});f.size||(f.size=f.computeSize());f.pos||(f.pos=h.DEFAULT_POSITION.concat());f.mode||(f.mode=h.ALWAYS);if(d)for(var s in d)f[s]=d[s];return f},getNodeType:function(a){return this.registered_node_types[a]},getNodeTypesInCategory:function(a,b){var d=[],g;for(g in this.registered_node_types){var f=this.registered_node_types[g];
+b&&f.filter&&f.filter!=b||(""==a?null==f.category&&d.push(f):f.category==a&&d.push(f))}return d},getNodeTypesCategories:function(a){var b={"":1},d;for(d in this.registered_node_types){var g=this.registered_node_types[d];!g.category||g.skip_list||a&&g.filter!=a||(b[g.category]=1)}a=[];for(d in b)a.push(d);return a},reloadNodes:function(a){var b=document.getElementsByTagName("script"),d=[],g;for(g in b)d.push(b[g]);b=document.getElementsByTagName("head")[0];a=document.location.href+a;for(g in d){var f=
+d[g].src;if(f&&f.substr(0,a.length)==a)try{h.debug&&console.log("Reloading: "+f);var r=document.createElement("script");r.type="text/javascript";r.src=f;b.appendChild(r);b.removeChild(d[g])}catch(s){if(h.throw_errors)throw s;h.debug&&console.log("Error while reloading "+f)}}h.debug&&console.log("Nodes reloaded")},cloneObject:function(a,b){if(null==a)return null;var d=JSON.parse(JSON.stringify(a));if(!b)return d;for(var g in d)b[g]=d[g];return b},isValidConnection:function(a,b){if(!a||!b||a==b||a==
+h.EVENT&&b==h.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;for(var d=a.split(","),g=b.split(","),f=0;f<d.length;++f)for(var r=0;r<g.length;++r)if(d[f]==g[r])return!0;return!1},registerSearchboxExtra:function(a,b,d){this.searchbox_extras[b.toLowerCase()]={type:a,desc:b,data:d}},fetchFile:function(a,b,d,g){if(!a)return null;b=b||"text";if(a.constructor===String)return"http"==a.substr(0,4)&&h.proxy&&(a=h.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){d&&d(a)})["catch"](function(b){console.error("error fetching file:",a);g&&g(b)});if(a.constructor===File||a.constructor===Blob){var f=new FileReader;f.onload=function(a){a=a.target.result;"json"==b&&(a=JSON.parse(a));d&&d(a)};if("arraybuffer"==b)return f.readAsArrayBuffer(a);
+if("text"==b||"json"==b)return f.readAsText(a);if("blob"==b)return f.readAsBinaryString(a)}return null}};h.getTime="undefined"!=typeof performance?performance.now.bind(performance):"undefined"!=typeof Date&&Date.now?Date.now.bind(Date):"undefined"!=typeof process?function(){var a=process.hrtime();return 0.001*a[0]+1E-6*a[1]}:function(){return(new Date).getTime()};B.LGraph=h.LGraph=c;c.supported_types=["number","string","boolean"];c.prototype.getSupportedTypes=function(){return this.supported_types||
+c.supported_types};c.STATUS_STOPPED=1;c.STATUS_RUNNING=2;c.prototype.clear=function(){this.stop();this.status=c.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.fixedtime=this.runningtime=this.globaltime=0;this.elapsed_time=
+this.fixedtime_lapse=0.01;this.starttime=this.last_update_time=0;this.catch_errors=!0;this.inputs={};this.outputs={};this.change();this.sendActionToCanvas("clear")};c.prototype.attachCanvas=function(a){if(a.constructor!=e)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)};c.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))}};c.prototype.start=function(a){if(this.status!=c.STATUS_RUNNING){this.status=c.STATUS_RUNNING;if(this.onPlayEvent)this.onPlayEvent();this.sendEventToAllNodes("onStart");this.last_update_time=this.starttime=h.getTime();a=a||0;var b=this;if(0==a&&"undefined"!=typeof window&&window.requestAnimationFrame){var d=function(){if(-1==b.execution_timer_id){window.requestAnimationFrame(d);if(b.onBeforeStep)b.onBeforeStep();b.runStep(1,!this.catch_errors);
+if(b.onAfterStep)b.onAfterStep()}};this.execution_timer_id=-1;d()}else this.execution_timer_id=setInterval(function(){if(b.onBeforeStep)b.onBeforeStep();b.runStep(1,!this.catch_errors);if(b.onAfterStep)b.onAfterStep()},a)}};c.prototype.stop=function(){if(this.status!=c.STATUS_STOPPED){this.status=c.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")}};
+c.prototype.runStep=function(a,b,d){a=a||1;var g=h.getTime();this.globaltime=0.001*(g-this.starttime);var f=this._nodes_executable?this._nodes_executable:this._nodes;if(f){d=d||f.length;if(b){for(var r=0;r<a;r++){for(var s=0;s<d;++s){var c=f[s];if(c.mode==h.ALWAYS&&c.onExecute)c.onExecute()}this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute()}else try{for(r=0;r<a;r++){for(s=0;s<d;++s)if(c=f[s],c.mode==h.ALWAYS&&c.onExecute)c.onExecute();
+this.fixedtime+=this.fixedtime_lapse;if(this.onExecuteStep)this.onExecuteStep()}if(this.onAfterExecute)this.onAfterExecute();this.errors_in_execution=!1}catch(k){this.errors_in_execution=!0;if(h.throw_errors)throw k;h.debug&&console.log("Error during execution: "+k);this.stop()}a=h.getTime();g=a-g;0==g&&(g=1);this.execution_time=0.001*g;this.globaltime+=0.001*g;this.iteration+=1;this.elapsed_time=0.001*(a-this.last_update_time);this.last_update_time=a}};c.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])};c.prototype.computeExecutionOrder=function(a,b){for(var d=[],g=[],f={},r={},s={},c=0,k=this._nodes.length;c<k;++c){var e=this._nodes[c];if(!a||e.onExecute){f[e.id]=e;var p=0;if(e.inputs)for(var t=0,q=e.inputs.length;t<q;t++)e.inputs[t]&&null!=e.inputs[t].link&&(p+=1);0==p?(g.push(e),b&&(e._level=1)):(b&&(e._level=
+0),s[e.id]=p)}}for(;0!=g.length;)if(e=g.shift(),d.push(e),delete f[e.id],e.outputs)for(c=0;c<e.outputs.length;c++)if(k=e.outputs[c],null!=k&&null!=k.links&&0!=k.links.length)for(t=0;t<k.links.length;t++)(p=this.links[k.links[t]])&&!r[p.id]&&(q=this.getNodeById(p.target_id),null==q?r[p.id]=!0:(b&&(!q._level||q._level<=e._level)&&(q._level=e._level+1),r[p.id]=!0,s[q.id]-=1,0==s[q.id]&&g.push(q)));for(c in f)d.push(f[c]);d.length!=this._nodes.length&&h.debug&&console.warn("something went wrong, nodes missing");
+k=d.length;for(c=0;c<k;++c)d[c].order=c;d=d.sort(function(a,b){var d=a.constructor.priority||a.priority||0,f=b.constructor.priority||b.priority||0;return d==f?a.order-b.order:d-f});for(c=0;c<k;++c)d[c].order=c;return d};c.prototype.getAncestors=function(a){for(var b=[],d=[a],g={};d.length;){var f=d.shift();if(f.inputs){g[f.id]||f==a||(g[f.id]=!0,b.push(f));for(var h=0;h<f.inputs.length;++h){var s=f.getInputNode(h);s&&-1==b.indexOf(s)&&d.push(s)}}}b.sort(function(a,b){return a.order-b.order});return b};
+c.prototype.arrange=function(a){a=a||100;for(var b=this.computeExecutionOrder(!1,!0),d=[],g=0;g<b.length;++g){var f=b[g],r=f._level||1;d[r]||(d[r]=[]);d[r].push(f)}b=a;for(g=0;g<d.length;++g)if(r=d[g]){for(var s=100,c=a+h.NODE_TITLE_HEIGHT,k=0;k<r.length;++k)f=r[k],f.pos[0]=b,f.pos[1]=c,f.size[0]>s&&(s=f.size[0]),c+=f.size[1]+a+h.NODE_TITLE_HEIGHT;b+=s+a}this.setDirtyCanvas(!0,!0)};c.prototype.getTime=function(){return this.globaltime};c.prototype.getFixedTime=function(){return this.fixedtime};c.prototype.getElapsedTime=
+function(){return this.elapsed_time};c.prototype.sendEventToAllNodes=function(a,b,d){d=d||h.ALWAYS;var g=this._nodes_in_order?this._nodes_in_order:this._nodes;if(g)for(var f=0,r=g.length;f<r;++f){var s=g[f];if(s.constructor===h.Subgraph&&"onExecute"!=a)s.mode==d&&s.sendEventToAllNodes(a,b,d);else if(s[a]&&s.mode==d)if(void 0===b)s[a]();else if(b&&b.constructor===Array)s[a].apply(s,b);else s[a](b)}};c.prototype.sendActionToCanvas=function(a,b){if(this.list_of_graphcanvas)for(var d=0;d<this.list_of_graphcanvas.length;++d){var g=
+this.list_of_graphcanvas[d];g[a]&&g[a].apply(g,b)}};c.prototype.add=function(a,b){if(a)if(a.constructor===l)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>=h.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}};c.prototype.remove=function(a){if(a.constructor===h.LGraphGroup){var b=this._groups.indexOf(a);-1!=b&&this._groups.splice(b,1);a.graph=null;this._version++;this.setDirtyCanvas(!0,!0);this.change()}else if(null!=
+this._nodes_by_id[a.id]&&!a.ignore_remove){if(a.inputs)for(b=0;b<a.inputs.length;b++){var d=a.inputs[b];null!=d.link&&a.disconnectInput(b)}if(a.outputs)for(b=0;b<a.outputs.length;b++)d=a.outputs[b],null!=d.links&&d.links.length&&a.disconnectOutput(b);if(a.onRemoved)a.onRemoved();a.graph=null;this._version++;if(this.list_of_graphcanvas)for(b=0;b<this.list_of_graphcanvas.length;++b)d=this.list_of_graphcanvas[b],d.selected_nodes[a.id]&&delete d.selected_nodes[a.id],d.node_dragged==a&&(d.node_dragged=
+null);b=this._nodes.indexOf(a);-1!=b&&this._nodes.splice(b,1);delete this._nodes_by_id[a.id];if(this.onNodeRemoved)this.onNodeRemoved(a);this.setDirtyCanvas(!0,!0);this.change();this.updateExecutionOrder()}};c.prototype.getNodeById=function(a){return null==a?null:this._nodes_by_id[a]};c.prototype.findNodesByClass=function(a,b){b=b||[];for(var d=b.length=0,g=this._nodes.length;d<g;++d)this._nodes[d].constructor===a&&b.push(this._nodes[d]);return b};c.prototype.findNodesByType=function(a,b){a=a.toLowerCase();
+b=b||[];for(var d=b.length=0,g=this._nodes.length;d<g;++d)this._nodes[d].type.toLowerCase()==a&&b.push(this._nodes[d]);return b};c.prototype.findNodeByTitle=function(a){for(var b=0,d=this._nodes.length;b<d;++b)if(this._nodes[b].title==a)return this._nodes[b];return null};c.prototype.findNodesByTitle=function(a){for(var b=[],d=0,g=this._nodes.length;d<g;++d)this._nodes[d].title==a&&b.push(this._nodes[d]);return b};c.prototype.getNodeOnPos=function(a,b,d,g){d=d||this._nodes;for(var f=d.length-1;0<=
+f;f--){var h=d[f];if(h.isPointInside(a,b,g))return h}return null};c.prototype.getGroupOnPos=function(a,b){for(var d=this._groups.length-1;0<=d;d--){var g=this._groups[d];if(g.isPointInside(a,b,2,!0))return g}return null};c.prototype.checkNodeTypes=function(){for(var a=0;a<this._nodes.length;a++){var b=this._nodes[a];if(b.constructor!=h.registered_node_types[b.type]){console.log("node being replaced by newer version: "+b.type);var d=h.createNode(b.type);this._nodes[a]=d;d.configure(b.serialize());
+d.graph=this;this._nodes_by_id[d.id]=d;b.inputs&&(d.inputs=b.inputs.concat());b.outputs&&(d.outputs=b.outputs.concat())}}this.updateExecutionOrder()};c.prototype.onAction=function(a,b){this._input_nodes=this.findNodesByClass(h.GraphInput,this._input_nodes);for(var d=0;d<this._input_nodes.length;++d){var g=this._input_nodes[d];if(g.properties.name==a){g.onAction(a,b);break}}};c.prototype.trigger=function(a,b){if(this.onTrigger)this.onTrigger(a,b)};c.prototype.addInput=function(a,b,d){if(!this.inputs[a]){this.inputs[a]=
+{name:a,type:b,value:d};this._version++;if(this.onInputAdded)this.onInputAdded(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()}};c.prototype.setInputData=function(a,b){var d=this.inputs[a];d&&(d.value=b)};c.prototype.getInputData=function(a){return(a=this.inputs[a])?a.value:null};c.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()}};c.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)};c.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};c.prototype.addOutput=function(a,b,d){this.outputs[a]={name:a,type:b,value:d};this._version++;if(this.onOutputAdded)this.onOutputAdded(a,b);if(this.onInputsOutputsChange)this.onInputsOutputsChange()};c.prototype.setOutputData=function(a,b){var d=this.outputs[a];d&&(d.value=b)};c.prototype.getOutputData=function(a){return(a=this.outputs[a])?a.value:null};c.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()};c.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)};c.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};c.prototype.triggerInput=function(a,b){for(var d=this.findNodesByTitle(a),g=0;g<d.length;++g)d[g].onTrigger(b)};c.prototype.setCallback=function(a,b){for(var d=this.findNodesByTitle(a),g=0;g<d.length;++g)d[g].setTrigger(b)};c.prototype.connectionChange=function(a,b){this.updateExecutionOrder();if(this.onConnectionChange)this.onConnectionChange(a);
+this._version++;this.sendActionToCanvas("onConnectionChange")};c.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};c.prototype.clearTriggeredSlots=function(){for(var a in this.links){var b=this.links[a];b&&b._last_time&&(b._last_time=0)}};c.prototype.change=function(){h.debug&&console.log("Graph changed");this.sendActionToCanvas("setDirty",[!0,!0]);if(this.on_change)this.on_change(this)};
+c.prototype.setDirtyCanvas=function(a,b){this.sendActionToCanvas("setDirty",[a,b])};c.prototype.removeLink=function(a){if(a=this.links[a]){var b=this.getNodeById(a.target_id);b&&b.disconnectInput(a.target_slot)}};c.prototype.serialize=function(){for(var a=[],b=0,d=this._nodes.length;b<d;++b)a.push(this._nodes[b].serialize());d=[];for(b in this.links){var g=this.links[b];if(!g.serialize){console.warn("weird LLink bug, link info is not a LLink but a regular object");var f=new m;for(b in g)f[b]=g[b];
+g=this.links[b]=f}d.push(g.serialize())}g=[];for(b=0;b<this._groups.length;++b)g.push(this._groups[b].serialize());return{last_node_id:this.last_node_id,last_link_id:this.last_link_id,nodes:a,links:d,groups:g,config:this.config,version:h.VERSION}};c.prototype.configure=function(a,b){if(a){b||this.clear();var d=a.nodes;if(a.links&&a.links.constructor===Array){for(var g=[],f=0;f<a.links.length;++f){var r=a.links[f];if(r){var s=new m;s.configure(r);g[s.id]=s}else console.warn("serialized graph link data contains errors, skipping.")}a.links=
+g}for(f in a)"nodes"!=f&&"groups"!=f&&(this[f]=a[f]);g=!1;this._nodes=[];if(d){f=0;for(r=d.length;f<r;++f){var s=d[f],c=h.createNode(s.type,s.title);c||(h.debug&&console.log("Node not found or has errors: "+s.type),c=new n,c.last_serialization=s,g=c.has_errors=!0);c.id=s.id;this.add(c,!0)}f=0;for(r=d.length;f<r;++f)s=d[f],(c=this.getNodeById(s.id))&&c.configure(s)}this._groups.length=0;if(a.groups)for(f=0;f<a.groups.length;++f)d=new h.LGraphGroup,d.configure(a.groups[f]),this.add(d);this.updateExecutionOrder();
+this._version++;this.setDirtyCanvas(!0,!0);return g}};c.prototype.load=function(a){var b=this,d=new XMLHttpRequest;d.open("GET",a,!0);d.send(null);d.onload=function(a){200!==d.status?console.error("Error loading graph:",d.status,d.response):(a=JSON.parse(d.response),b.configure(a))};d.onerror=function(a){console.error("Error loading graph:",a)}};c.prototype.onNodeTrace=function(a,b,d){};m.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)};m.prototype.serialize=function(){return[this.id,this.origin_id,this.origin_slot,this.target_id,this.target_slot,this.type]};h.LLink=m;B.LGraphNode=h.LGraphNode=n;n.prototype._ctor=function(a){this.title=a||"Unnamed";this.size=[h.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={}};n.prototype.configure=function(a){this.graph&&this.graph._version++;for(var b in a)if("properties"==b)for(var d in a.properties){if(this.properties[d]=a.properties[d],this.onPropertyChanged)this.onPropertyChanged(d,
+a.properties[d])}else null!=a[b]&&("object"==typeof a[b]?this[b]&&this[b].configure?this[b].configure(a[b]):this[b]=h.cloneObject(a[b],this[b]):this[b]=a[b]);a.title||(this.title=this.constructor.title);if(this.onConnectionsChange){if(this.inputs)for(d=0;d<this.inputs.length;++d){b=this.inputs[d];var g=this.graph?this.graph.links[b.link]:null;this.onConnectionsChange(h.INPUT,d,!0,g,b)}if(this.outputs)for(d=0;d<this.outputs.length;++d){var f=this.outputs[d];if(f.links)for(b=0;b<f.links.length;++b)g=
+this.graph?this.graph.links[f.links[b]]:null,this.onConnectionsChange(h.OUTPUT,d,!0,g,f)}}if(this.widgets){for(d=0;d<this.widgets.length;++d)(b=this.widgets[d])&&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(d=0;d<a.widgets_values.length;++d)this.widgets[d]&&(this.widgets[d].value=a.widgets_values[d])}if(this.onConfigure)this.onConfigure(a)};n.prototype.serialize=function(){var a=
+{id:this.id,type:this.type,pos:this.pos,size:this.size,flags:h.cloneObject(this.flags),order:this.order,mode:this.mode};if(this.constructor===n&&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=h.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};n.prototype.clone=function(){var a=h.createNode(this.type);
+if(!a)return null;var b=h.cloneObject(this.serialize());if(b.inputs)for(var d=0;d<b.inputs.length;++d)b.inputs[d].link=null;if(b.outputs)for(d=0;d<b.outputs.length;++d)b.outputs[d].links&&(b.outputs[d].links.length=0);delete b.id;a.configure(b);return a};n.prototype.toString=function(){return JSON.stringify(this.serialize())};n.prototype.getTitle=function(){return this.title||this.constructor.title};n.prototype.setProperty=function(a,b){this.properties||(this.properties={});if(b!==this.properties[a]){var d=
+this.properties[a];this.properties[a]=b;this.onPropertyChanged&&!1===this.onPropertyChanged(a,b,d)&&(this.properties[a]=d);if(this.widgets)for(d=0;d<this.widgets.length;++d){var g=this.widgets[d];if(g&&g.options.property==a){g.value=b;break}}}};n.prototype.setOutputData=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var d=this.outputs[a];if(d&&(d._data=b,this.outputs[a].links))for(d=0;d<this.outputs[a].links.length;d++){var g=this.graph.links[this.outputs[a].links[d]];g&&(g.data=
+b)}}};n.prototype.setOutputDataType=function(a,b){if(this.outputs&&!(-1==a||a>=this.outputs.length)){var d=this.outputs[a];if(d&&(d.type=b,this.outputs[a].links))for(d=0;d<this.outputs[a].links.length;d++)this.graph.links[this.outputs[a].links[d]].type=b}};n.prototype.getInputData=function(a,b){if(this.inputs&&!(a>=this.inputs.length||null==this.inputs[a].link)){var d=this.graph.links[this.inputs[a].link];if(!d)return null;if(!b)return d.data;var g=this.graph.getNodeById(d.origin_id);if(!g)return d.data;
+if(g.updateOutputData)g.updateOutputData(d.origin_slot);else if(g.onExecute)g.onExecute();return d.data}};n.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};n.prototype.getInputDataByName=function(a,b){var d=this.findInputSlot(a);return-1==d?null:this.getInputData(d,b)};n.prototype.isInputConnected=
+function(a){return this.inputs?a<this.inputs.length&&null!=this.inputs[a].link:!1};n.prototype.getInputInfo=function(a){return this.inputs?a<this.inputs.length?this.inputs[a]:null:null};n.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};n.prototype.getInputOrProperty=function(a){if(!this.inputs||!this.inputs.length)return this.properties?this.properties[a]:
+null;for(var b=0,d=this.inputs.length;b<d;++b){var g=this.inputs[b];if(a==g.name&&null!=g.link&&(g=this.graph.links[g.link]))return g.data}return this.properties[a]};n.prototype.getOutputData=function(a){return!this.outputs||a>=this.outputs.length?null:this.outputs[a]._data};n.prototype.getOutputInfo=function(a){return this.outputs?a<this.outputs.length?this.outputs[a]:null:null};n.prototype.isOutputConnected=function(a){return this.outputs?a<this.outputs.length&&this.outputs[a].links&&this.outputs[a].links.length:
+!1};n.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};n.prototype.getOutputNodes=function(a){if(!this.outputs||0==this.outputs.length||a>=this.outputs.length)return null;a=this.outputs[a];if(!a.links||0==a.links.length)return null;for(var b=[],d=0;d<a.links.length;d++){var g=this.graph.links[a.links[d]];g&&(g=this.graph.getNodeById(g.target_id))&&b.push(g)}return b};
+n.prototype.trigger=function(a,b){if(this.outputs&&this.outputs.length){this.graph&&(this.graph._last_trigger_time=h.getTime());for(var d=0;d<this.outputs.length;++d){var g=this.outputs[d];!g||g.type!==h.EVENT||a&&g.name!=a||this.triggerSlot(d,b)}}};n.prototype.triggerSlot=function(a,b,d){if(this.outputs&&(a=this.outputs[a])&&(a=a.links)&&a.length){this.graph&&(this.graph._last_trigger_time=h.getTime());for(var g=0;g<a.length;++g){var f=a[g];if(null==d||d==f){var r=this.graph.links[a[g]];if(r&&(r._last_time=
+h.getTime(),f=this.graph.getNodeById(r.target_id)))if(r=f.inputs[r.target_slot],f.onAction)f.onAction(r.name,b);else if(f.mode===h.ON_TRIGGER&&f.onExecute)f.onExecute(b)}}}};n.prototype.clearTriggeredSlot=function(a,b){if(this.outputs){var d=this.outputs[a];if(d&&(d=d.links)&&d.length)for(var g=0;g<d.length;++g){var f=d[g];if(null==b||b==f)if(f=this.graph.links[d[g]])f._last_time=0}}};n.prototype.addProperty=function(a,b,d,g){d={name:a,type:d,default_value:b};if(g)for(var f in g)d[f]=g[f];this.properties_info||
+(this.properties_info=[]);this.properties_info.push(d);this.properties||(this.properties={});this.properties[a]=b;return d};n.prototype.addOutput=function(a,b,d){a={name:a,type:b,links:null};if(d)for(var g in d)a[g]=d[g];this.outputs||(this.outputs=[]);this.outputs.push(a);if(this.onOutputAdded)this.onOutputAdded(a);this.size=this.computeSize();this.setDirtyCanvas(!0,!0);return a};n.prototype.addOutputs=function(a){for(var b=0;b<a.length;++b){var d=a[b],g={name:d[0],type:d[1],link:null};if(a[2])for(var f in d[2])g[f]=
+d[2][f];this.outputs||(this.outputs=[]);this.outputs.push(g);if(this.onOutputAdded)this.onOutputAdded(g)}this.size=this.computeSize();this.setDirtyCanvas(!0,!0)};n.prototype.removeOutput=function(a){this.disconnectOutput(a);this.outputs.splice(a,1);for(var b=a;b<this.outputs.length;++b)if(this.outputs[b]&&this.outputs[b].links)for(var d=this.outputs[b].links,g=0;g<d.length;++g){var f=this.graph.links[d[g]];f&&(f.origin_slot-=1)}this.size=this.computeSize();if(this.onOutputRemoved)this.onOutputRemoved(a);
+this.setDirtyCanvas(!0,!0)};n.prototype.addInput=function(a,b,d){a={name:a,type:b||0,link:null};if(d)for(var g in d)a[g]=d[g];this.inputs||(this.inputs=[]);this.inputs.push(a);this.size=this.computeSize();if(this.onInputAdded)this.onInputAdded(a);this.setDirtyCanvas(!0,!0);return a};n.prototype.addInputs=function(a){for(var b=0;b<a.length;++b){var d=a[b],g={name:d[0],type:d[1],link:null};if(a[2])for(var f in d[2])g[f]=d[2][f];this.inputs||(this.inputs=[]);this.inputs.push(g);if(this.onInputAdded)this.onInputAdded(g)}this.size=
+this.computeSize();this.setDirtyCanvas(!0,!0)};n.prototype.removeInput=function(a){this.disconnectInput(a);this.inputs.splice(a,1);for(var b=a;b<this.inputs.length;++b)if(this.inputs[b]){var d=this.graph.links[this.inputs[b].link];d&&(d.target_slot-=1)}this.size=this.computeSize();if(this.onInputRemoved)this.onInputRemoved(a);this.setDirtyCanvas(!0,!0)};n.prototype.addConnection=function(a,b,d,g){a={name:a,type:b,pos:d,direction:g,links:null};this.connections.push(a);return a};n.prototype.computeSize=
+function(a,b){function d(a){return a?r*a.length*0.6:0}if(this.constructor.size)return this.constructor.size.concat();var g=Math.max(this.inputs?this.inputs.length:1,this.outputs?this.outputs.length:1),f=b||new Float32Array([0,0]),g=Math.max(g,1),r=h.NODE_TEXT_SIZE;f[1]=(this.constructor.slot_start_y||0)+g*h.NODE_SLOT_HEIGHT;g=0;this.widgets&&this.widgets.length&&(g=this.widgets.length*(h.NODE_WIDGET_HEIGHT+4)+8);f[1]=this.widgets_up?Math.max(f[1],g):null!=this.widgets_start_y?Math.max(f[1],g+this.widgets_start_y):
+f[1]+g;var g=d(this.title),s=0,c=0;if(this.inputs)for(var k=0,e=this.inputs.length;k<e;++k){var p=this.inputs[k],p=p.label||p.name||"",p=d(p);s<p&&(s=p)}if(this.outputs)for(k=0,e=this.outputs.length;k<e;++k)p=this.outputs[k],p=p.label||p.name||"",p=d(p),c<p&&(c=p);f[0]=Math.max(s+c+10,g);f[0]=Math.max(f[0],h.NODE_WIDTH);this.widgets&&this.widgets.length&&(f[0]=Math.max(f[0],1.5*h.NODE_WIDTH));if(this.onResize)this.onResize(f);this.constructor.min_height&&f[1]<this.constructor.min_height&&(f[1]=this.constructor.min_height);
+f[1]+=6;return f};n.prototype.getPropertyInfo=function(a){var b=null;if(this.properties_info)for(var d=0;d<this.properties_info.length;++d)if(this.properties_info[d].name==a){b=this.properties_info[d];break}this.constructor["@"+a]&&(b=this.constructor["@"+a]);this.onGetPropertyInfo&&(b=this.onGetPropertyInfo(a));b||(b={});b.type||(b.type=typeof this.properties[a]);return b};n.prototype.addWidget=function(a,b,d,g,f){this.widgets||(this.widgets=[]);!f&&g&&g.constructor===Object&&(f=g,g=null);f&&f.constructor===
+String&&(f={property:f});g&&g.constructor===String&&(f||(f={}),f.property=g,g=null);g&&g.constructor!==Function&&(console.warn("addWidget: callback must be a function"),g=null);b={type:a.toLowerCase(),name:b,value:d,callback:g,options:f||{}};void 0!==b.options.y&&(b.y=b.options.y);g||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.size=this.computeSize();return b};n.prototype.addCustomWidget=function(a){this.widgets||(this.widgets=[]);this.widgets.push(a);return a};n.prototype.getBounding=function(a){a=a||new Float32Array(4);a[0]=this.pos[0]-4;a[1]=this.pos[1]-h.NODE_TITLE_HEIGHT;a[2]=this.size[0]+4;a[3]=this.size[1]+h.NODE_TITLE_HEIGHT;if(this.onBounding)this.onBounding(a);return a};n.prototype.isPointInside=function(a,b,d,g){d=d||0;var f=this.graph&&this.graph.isLive()?0:h.NODE_TITLE_HEIGHT;g&&(f=
+0);if(this.flags&&this.flags.collapsed){if(w(a,b,this.pos[0]-d,this.pos[1]-h.NODE_TITLE_HEIGHT-d,(this._collapsed_width||h.NODE_COLLAPSED_WIDTH)+2*d,h.NODE_TITLE_HEIGHT+2*d))return!0}else if(this.pos[0]-4-d<a&&this.pos[0]+this.size[0]+4+d>a&&this.pos[1]-f-d<b&&this.pos[1]+this.size[1]+d>b)return!0;return!1};n.prototype.getSlotInPosition=function(a,b){var d=new Float32Array(2);if(this.inputs)for(var g=0,f=this.inputs.length;g<f;++g){var h=this.inputs[g];this.getConnectionPos(!0,g,d);if(w(a,b,d[0]-
+10,d[1]-5,20,10))return{input:h,slot:g,link_pos:d}}if(this.outputs)for(g=0,f=this.outputs.length;g<f;++g)if(h=this.outputs[g],this.getConnectionPos(!1,g,d),w(a,b,d[0]-10,d[1]-5,20,10))return{output:h,slot:g,link_pos:d};return null};n.prototype.findInputSlot=function(a){if(!this.inputs)return-1;for(var b=0,d=this.inputs.length;b<d;++b)if(a==this.inputs[b].name)return b;return-1};n.prototype.findOutputSlot=function(a){if(!this.outputs)return-1;for(var b=0,d=this.outputs.length;b<d;++b)if(a==this.outputs[b].name)return b;
+return-1};n.prototype.connect=function(a,b,d){d=d||0;if(!this.graph)return console.log("Connect: Error, node doesn't belong to any graph. Nodes must be added first to a graph before connecting them."),null;if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return h.debug&&console.log("Connect: Error, no slot of name "+a),null}else if(!this.outputs||a>=this.outputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),null;b&&b.constructor===Number&&(b=this.graph.getNodeById(b));
+if(!b)throw"target node is null";if(b==this)return null;if(d.constructor===String){if(d=b.findInputSlot(d),-1==d)return h.debug&&console.log("Connect: Error, no slot of name "+d),null}else{if(d===h.EVENT)return null;if(!b.inputs||d>=b.inputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),null}null!=b.inputs[d].link&&b.disconnectInput(d);var g=this.outputs[a];if(b.onConnectInput&&!1===b.onConnectInput(d,g.type,g))return null;var f=b.inputs[d],r=null;if(h.isValidConnection(g.type,
+f.type)){r=new m(++this.graph.last_link_id,f.type,this.id,a,b.id,d);this.graph.links[r.id]=r;null==g.links&&(g.links=[]);g.links.push(r.id);b.inputs[d].link=r.id;this.graph&&this.graph._version++;if(this.onConnectionsChange)this.onConnectionsChange(h.OUTPUT,a,!0,r,g);if(b.onConnectionsChange)b.onConnectionsChange(h.INPUT,d,!0,r,f);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.INPUT,b,d,this,a),this.graph.onNodeConnectionChange(h.OUTPUT,this,a,b,d))}this.setDirtyCanvas(!1,
+!0);this.graph.connectionChange(this,r);return r};n.prototype.disconnectOutput=function(a,b){if(a.constructor===String){if(a=this.findOutputSlot(a),-1==a)return h.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.outputs||a>=this.outputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),!1;var d=this.outputs[a];if(!d||!d.links||0==d.links.length)return!1;if(b){b.constructor===Number&&(b=this.graph.getNodeById(b));if(!b)throw"Target Node not found";
+for(var g=0,f=d.links.length;g<f;g++){var r=d.links[g],s=this.graph.links[r];if(s.target_id==b.id){d.links.splice(g,1);var c=b.inputs[s.target_slot];c.link=null;delete this.graph.links[r];this.graph&&this.graph._version++;if(b.onConnectionsChange)b.onConnectionsChange(h.INPUT,s.target_slot,!1,s,c);if(this.onConnectionsChange)this.onConnectionsChange(h.OUTPUT,a,!1,s,d);if(this.graph&&this.graph.onNodeConnectionChange)this.graph.onNodeConnectionChange(h.OUTPUT,this,a);this.graph&&this.graph.onNodeConnectionChange&&
+(this.graph.onNodeConnectionChange(h.OUTPUT,this,a),this.graph.onNodeConnectionChange(h.INPUT,b,s.target_slot));break}}}else{g=0;for(f=d.links.length;g<f;g++)if(r=d.links[g],s=this.graph.links[r]){b=this.graph.getNodeById(s.target_id);this.graph&&this.graph._version++;if(b){c=b.inputs[s.target_slot];c.link=null;if(b.onConnectionsChange)b.onConnectionsChange(h.INPUT,s.target_slot,!1,s,c);if(this.graph&&this.graph.onNodeConnectionChange)this.graph.onNodeConnectionChange(h.INPUT,b,s.target_slot)}delete this.graph.links[r];
+if(this.onConnectionsChange)this.onConnectionsChange(h.OUTPUT,a,!1,s,d);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.OUTPUT,this,a),this.graph.onNodeConnectionChange(h.INPUT,b,s.target_slot))}d.links=null}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};n.prototype.disconnectInput=function(a){if(a.constructor===String){if(a=this.findInputSlot(a),-1==a)return h.debug&&console.log("Connect: Error, no slot of name "+a),!1}else if(!this.inputs||
+a>=this.inputs.length)return h.debug&&console.log("Connect: Error, slot number not found"),!1;var b=this.inputs[a];if(!b)return!1;var d=this.inputs[a].link;this.inputs[a].link=null;var g=this.graph.links[d];if(g){var f=this.graph.getNodeById(g.origin_id);if(!f)return!1;var r=f.outputs[g.origin_slot];if(!r||!r.links||0==r.links.length)return!1;for(var s=0,c=r.links.length;s<c;s++)if(r.links[s]==d){r.links.splice(s,1);break}delete this.graph.links[d];this.graph&&this.graph._version++;if(this.onConnectionsChange)this.onConnectionsChange(h.INPUT,
+a,!1,g,b);if(f.onConnectionsChange)f.onConnectionsChange(h.OUTPUT,s,!1,g,r);this.graph&&this.graph.onNodeConnectionChange&&(this.graph.onNodeConnectionChange(h.OUTPUT,f,s),this.graph.onNodeConnectionChange(h.INPUT,this,a))}this.setDirtyCanvas(!1,!0);this.graph.connectionChange(this);return!0};n.prototype.getConnectionPos=function(a,b,d){d=d||new Float32Array(2);var g=0;a&&this.inputs&&(g=this.inputs.length);!a&&this.outputs&&(g=this.outputs.length);var f=0.5*h.NODE_SLOT_HEIGHT;if(this.flags.collapsed)return b=
+this._collapsed_width||h.NODE_COLLAPSED_WIDTH,this.horizontal?(d[0]=this.pos[0]+0.5*b,d[1]=a?this.pos[1]-h.NODE_TITLE_HEIGHT:this.pos[1]):(d[0]=a?this.pos[0]:this.pos[0]+b,d[1]=this.pos[1]-0.5*h.NODE_TITLE_HEIGHT),d;if(a&&-1==b)return d[0]=this.pos[0]+0.5*h.NODE_TITLE_HEIGHT,d[1]=this.pos[1]+0.5*h.NODE_TITLE_HEIGHT,d;if(a&&g>b&&this.inputs[b].pos)return d[0]=this.pos[0]+this.inputs[b].pos[0],d[1]=this.pos[1]+this.inputs[b].pos[1],d;if(!a&&g>b&&this.outputs[b].pos)return d[0]=this.pos[0]+this.outputs[b].pos[0],
+d[1]=this.pos[1]+this.outputs[b].pos[1],d;if(this.horizontal)return d[0]=this.pos[0]+this.size[0]/g*(b+0.5),d[1]=a?this.pos[1]-h.NODE_TITLE_HEIGHT:this.pos[1]+this.size[1],d;d[0]=a?this.pos[0]+f:this.pos[0]+this.size[0]+1-f;d[1]=this.pos[1]+(b+0.7)*h.NODE_SLOT_HEIGHT+(this.constructor.slot_start_y||0);return d};n.prototype.alignToGrid=function(){this.pos[0]=h.CANVAS_GRID_SIZE*Math.round(this.pos[0]/h.CANVAS_GRID_SIZE);this.pos[1]=h.CANVAS_GRID_SIZE*Math.round(this.pos[1]/h.CANVAS_GRID_SIZE)};n.prototype.trace=
+function(a){this.console||(this.console=[]);this.console.push(a);this.console.length>n.MAX_CONSOLE&&this.console.shift();this.graph.onNodeTrace(this,a)};n.prototype.setDirtyCanvas=function(a,b){this.graph&&this.graph.sendActionToCanvas("setDirty",[a,b])};n.prototype.loadImage=function(a){var b=new Image;b.src=h.node_images_path+a;b.ready=!1;var d=this;b.onload=function(){this.ready=!0;d.setDirtyCanvas(!0)};return b};n.prototype.captureInput=function(a){if(this.graph&&this.graph.list_of_graphcanvas)for(var b=
+this.graph.list_of_graphcanvas,d=0;d<b.length;++d){var g=b[d];if(a||g.node_capturing_input==this)g.node_capturing_input=a?this:null}};n.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)};n.prototype.pin=function(a){this.graph._version++;this.flags.pinned=void 0===a?!this.flags.pinned:a};n.prototype.localToScreen=function(a,b,d){return[(a+this.pos[0])*d.scale+d.offset[0],(b+this.pos[1])*
+d.scale+d.offset[1]]};B.LGraphGroup=h.LGraphGroup=l;l.prototype._ctor=function(a){this.title=a||"Group";this.font_size=24;this.color=e.node_colors.pale_blue?e.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})};l.prototype.configure=function(a){this.title=a.title;this._bounding.set(a.bounding);this.color=a.color;this.font=a.font};l.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}};l.prototype.move=
+function(a,b,d){this._pos[0]+=a;this._pos[1]+=b;if(!d)for(d=0;d<this._nodes.length;++d){var g=this._nodes[d];g.pos[0]+=a;g.pos[1]+=b}};l.prototype.recomputeInsideNodes=function(){this._nodes.length=0;for(var a=this.graph._nodes,b=new Float32Array(4),d=0;d<a.length;++d){var g=a[d];g.getBounding(b);u(this._bounding,b)&&this._nodes.push(g)}};l.prototype.isPointInside=n.prototype.isPointInside;l.prototype.setDirtyCanvas=n.prototype.setDirtyCanvas;h.DragAndScale=x;x.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)};x.prototype.computeVisibleArea=function(){if(this.element){var a=-this.offset[0],b=-this.offset[1],d=a+this.element.width/this.scale,g=b+this.element.height/this.scale;this.visible_area[0]=
+a;this.visible_area[1]=b;this.visible_area[2]=d-a;this.visible_area[3]=g-b}else this.visible_area[0]=this.visible_area[1]=this.visible_area[2]=this.visible_area[3]=0};x.prototype.onMouse=function(a){if(this.enabled){var b=this.element,d=b.getBoundingClientRect(),g=a.clientX-d.left,d=a.clientY-d.top;a.canvasx=g;a.canvasy=d;a.dragging=this.dragging;var f=!1;this.onmouse&&(f=this.onmouse(a));if("mousedown"==a.type)this.dragging=!0,b.removeEventListener("mousemove",this._binded_mouse_callback),document.body.addEventListener("mousemove",
+this._binded_mouse_callback),document.body.addEventListener("mouseup",this._binded_mouse_callback);else if("mousemove"==a.type)f||(b=g-this.last_mouse[0],f=d-this.last_mouse[1],this.dragging&&this.mouseDrag(b,f));else if("mouseup"==a.type)this.dragging=!1,document.body.removeEventListener("mousemove",this._binded_mouse_callback),document.body.removeEventListener("mouseup",this._binded_mouse_callback),b.addEventListener("mousemove",this._binded_mouse_callback);else if("mousewheel"==a.type||"wheel"==
+a.type||"DOMMouseScroll"==a.type)a.eventType="mousewheel",a.wheel="wheel"==a.type?-a.deltaY:null!=a.wheelDeltaY?a.wheelDeltaY:-60*a.detail,a.delta=a.wheelDelta?a.wheelDelta/40:a.deltaY?-a.deltaY/3:0,this.changeDeltaScale(1+0.05*a.delta);this.last_mouse[0]=g;this.last_mouse[1]=d;a.preventDefault();a.stopPropagation();return!1}};x.prototype.toCanvasContext=function(a){a.scale(this.scale,this.scale);a.translate(this.offset[0],this.offset[1])};x.prototype.convertOffsetToCanvas=function(a){return[(a[0]+
+this.offset[0])*this.scale,(a[1]+this.offset[1])*this.scale]};x.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};x.prototype.mouseDrag=function(a,b){this.offset[0]+=a/this.scale;this.offset[1]+=b/this.scale;if(this.onredraw)this.onredraw(this)};x.prototype.changeScale=function(a,b){a<this.min_scale?a=this.min_scale:a>this.max_scale&&(a=this.max_scale);if(a!=this.scale&&this.element){var d=this.element.getBoundingClientRect();
+if(d){b=b||[0.5*d.width,0.5*d.height];d=this.convertCanvasToOffset(b);this.scale=a;0.01>Math.abs(this.scale-1)&&(this.scale=1);var g=this.convertCanvasToOffset(b),d=[g[0]-d[0],g[1]-d[1]];this.offset[0]+=d[0];this.offset[1]+=d[1];if(this.onredraw)this.onredraw(this)}}};x.prototype.changeDeltaScale=function(a,b){this.changeScale(this.scale*a,b)};x.prototype.reset=function(){this.scale=1;this.offset[0]=0;this.offset[1]=0};B.LGraphCanvas=h.LGraphCanvas=e;e.link_type_colors={"-1":h.EVENT_LINK_COLOR,number:"#AAA",
+node:"#DCA"};e.gradients={};e.prototype.clear=function(){this.fps=this.render_time=this.last_draw_time=this.frame=0;this.dragging_rectangle=null;this.selected_nodes={};this.selected_group=null;this.visible_nodes=[];this.connecting_node=this.node_capturing_input=this.node_over=this.node_dragged=null;this.highlighted_links={};this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_widget=this.node_in_panel=this.dirty_area=null;this.last_mouse=[0,0];this.last_mouseclick=0;this.visible_area.set([0,0,0,0]);
+if(this.onClear)this.onClear()};e.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)))};e.prototype.openSubgraph=function(a){if(!a)throw"graph cannot be null";if(this.graph==a)throw"graph cannot be the same";this.clear();this.graph&&(this._graph_stack||(this._graph_stack=[]),this._graph_stack.push(this.graph));a.attachCanvas(this);this.setDirty(!0,!0)};
+e.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]))}};e.prototype.getCurrentGraph=function(){return this.graph};e.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()}};e.prototype._doNothing=function(a){a.preventDefault();return!1};e.prototype._doReturnTrue=function(a){a.preventDefault();return!0};e.prototype.bindEvents=function(){if(this._events_binded)console.warn("LGraphCanvas: events already binded");
+else{var a=this.canvas,b=this.getCanvasWindow().document;this._mousedown_callback=this.processMouseDown.bind(this);this._mousewheel_callback=this.processMouseWheel.bind(this);a.addEventListener("mousedown",this._mousedown_callback,!0);a.addEventListener("mousemove",this._mousemove_callback);a.addEventListener("mousewheel",this._mousewheel_callback,!1);a.addEventListener("contextmenu",this._doNothing);a.addEventListener("DOMMouseScroll",this._mousewheel_callback,!1);a.addEventListener("touchstart",
+this.touchHandler,!0);a.addEventListener("touchmove",this.touchHandler,!0);a.addEventListener("touchend",this.touchHandler,!0);a.addEventListener("touchcancel",this.touchHandler,!0);this._key_callback=this.processKey.bind(this);a.addEventListener("keydown",this._key_callback,!0);b.addEventListener("keyup",this._key_callback,!0);this._ondrop_callback=this.processDrop.bind(this);a.addEventListener("dragover",this._doNothing,!1);a.addEventListener("dragend",this._doNothing,!1);a.addEventListener("drop",
+this._ondrop_callback,!1);a.addEventListener("dragenter",this._doReturnTrue,!1);this._events_binded=!0}};e.prototype.unbindEvents=function(){if(this._events_binded){var a=this.getCanvasWindow().document;this.canvas.removeEventListener("mousedown",this._mousedown_callback);this.canvas.removeEventListener("mousewheel",this._mousewheel_callback);this.canvas.removeEventListener("DOMMouseScroll",this._mousewheel_callback);this.canvas.removeEventListener("keydown",this._key_callback);a.removeEventListener("keyup",
+this._key_callback);this.canvas.removeEventListener("contextmenu",this._doNothing);this.canvas.removeEventListener("drop",this._ondrop_callback);this.canvas.removeEventListener("dragenter",this._doReturnTrue);this.canvas.removeEventListener("touchstart",this.touchHandler);this.canvas.removeEventListener("touchmove",this.touchHandler);this.canvas.removeEventListener("touchend",this.touchHandler);this.canvas.removeEventListener("touchcancel",this.touchHandler);this._ondrop_callback=this._key_callback=
+this._mousewheel_callback=this._mousedown_callback=null;this._events_binded=!1}else console.warn("LGraphCanvas: no events binded")};e.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()};e.prototype.enableWebGL=function(){if(void 0===typeof GL)throw"litegl.js must be included to use a WebGL canvas";if(void 0===typeof enableWebGLCanvas)throw"webglCanvas.js must be included to use this feature";this.gl=this.ctx=enableWebGLCanvas(this.canvas);
+this.ctx.webgl=!0;this.bgcanvas=this.canvas;this.bgctx=this.gl;this.canvas.webgl_enabled=!0};e.prototype.setDirty=function(a,b){a&&(this.dirty_canvas=!0);b&&(this.dirty_bgcanvas=!0)};e.prototype.getCanvasWindow=function(){if(!this.canvas)return window;var a=this.canvas.ownerDocument;return a.defaultView||a.parentWindow};e.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))};e.prototype.stopRendering=function(){this.is_rendering=!1};e.prototype.processMouseDown=function(a){if(this.graph){this.adjustMouseEvent(a);var b=this.getCanvasWindow();e.active_canvas=this;this.canvas.removeEventListener("mousemove",this._mousemove_callback);b.document.addEventListener("mousemove",this._mousemove_callback,!0);b.document.addEventListener("mouseup",this._mouseup_callback,!0);var d=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes,5),
+g=!1,f=300>h.getTime()-this.last_mouseclick;this.canvas_mouse[0]=a.canvasX;this.canvas_mouse[1]=a.canvasY;this.canvas.focus();h.closeAllContextMenus(b);if(!this.onMouse||!0!=this.onMouse(a)){if(1==a.which){a.ctrlKey&&(this.dragging_rectangle=new Float32Array(4),this.dragging_rectangle[0]=a.canvasX,this.dragging_rectangle[1]=a.canvasY,this.dragging_rectangle[2]=1,this.dragging_rectangle[3]=1,g=!0);var r=!1;if(d&&this.allow_interaction&&!g&&!this.read_only){this.live_mode||d.flags.pinned||this.bringToFront(d);
+if(!this.connecting_node&&!d.flags.collapsed&&!this.live_mode)if(!g&&!1!==d.resizable&&w(a.canvasX,a.canvasY,d.pos[0]+d.size[0]-5,d.pos[1]+d.size[1]-5,10,10))this.resizing_node=d,this.canvas.style.cursor="se-resize",g=!0;else{if(d.outputs)for(var s=0,c=d.outputs.length;s<c;++s){var k=d.outputs[s],p=d.getConnectionPos(!1,s);if(w(a.canvasX,a.canvasY,p[0]-15,p[1]-10,30,20)){this.connecting_node=d;this.connecting_output=k;this.connecting_pos=d.getConnectionPos(!1,s);this.connecting_slot=s;a.shiftKey&&
+d.disconnectOutput(s);if(f){if(d.onOutputDblClick)d.onOutputDblClick(s,a)}else if(d.onOutputClick)d.onOutputClick(s,a);g=!0;break}}if(d.inputs)for(s=0,c=d.inputs.length;s<c;++s)if(k=d.inputs[s],p=d.getConnectionPos(!0,s),w(a.canvasX,a.canvasY,p[0]-15,p[1]-10,30,20)){if(f){if(d.onInputDblClick)d.onInputDblClick(s,a)}else if(d.onInputClick)d.onInputClick(s,a);if(null!==k.link){g=this.graph.links[k.link];d.disconnectInput(s);if(this.allow_reconnect_links||a.shiftKey)this.connecting_node=this.graph._nodes_by_id[g.origin_id],
+this.connecting_slot=g.origin_slot,this.connecting_output=this.connecting_node.outputs[this.connecting_slot],this.connecting_pos=this.connecting_node.getConnectionPos(!1,this.connecting_slot);g=this.dirty_bgcanvas=!0}}}if(!g){s=!1;if(c=this.processNodeWidgets(d,this.canvas_mouse,a))s=!0,this.node_widget=[d,c];if(f&&this.selected_nodes[d.id]){if(d.onDblClick)d.onDblClick(a,[a.canvasX-d.pos[0],a.canvasY-d.pos[1]],this);this.processNodeDblClicked(d);s=!0}d.onMouseDown&&d.onMouseDown(a,[a.canvasX-d.pos[0],
+a.canvasY-d.pos[1]],this)?s=!0:this.live_mode&&(s=r=!0);s||(this.allow_dragnodes&&(this.node_dragged=d),this.selected_nodes[d.id]||this.processNodeSelected(d,a));this.dirty_canvas=!0}}else{if(!this.read_only)for(s=0;s<this.visible_links.length;++s)if(d=this.visible_links[s],(r=d._pos)&&!(a.canvasX<r[0]-4||a.canvasX>r[0]+4||a.canvasY<r[1]-4||a.canvasY>r[1]+4)){this.showLinkMenu(d,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>C([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());f&&!this.read_only&&this.allow_searchbox&&this.showSearchBox(a);r=!0}!g&&r&&this.allow_dragcanvas&&(this.dragging_canvas=!0)}else 2!=a.which&&3==a.which&&(this.read_only||this.processContextMenu(d,
+a));this.last_mouse[0]=a.localX;this.last_mouse[1]=a.localY;this.last_mouseclick=h.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}}};e.prototype.processMouseMove=function(a){this.autoresize&&this.resize();if(this.graph){e.active_canvas=this;this.adjustMouseEvent(a);
+var b=[a.localX,a.localY],d=[b[0]-this.last_mouse[0],b[1]-this.last_mouse[1]];this.last_mouse=b;this.canvas_mouse[0]=a.canvasX;this.canvas_mouse[1]=a.canvasY;a.dragging=this.last_mouse_dragging;this.node_widget&&(this.processNodeWidgets(this.node_widget[0],this.canvas_mouse,a,this.node_widget[1]),this.dirty_canvas=!0);if(this.dragging_rectangle)this.dragging_rectangle[2]=a.canvasX-this.dragging_rectangle[0],this.dragging_rectangle[3]=a.canvasY-this.dragging_rectangle[1],this.dirty_canvas=!0;else if(this.selected_group&&
+!this.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(d[0]/this.ds.scale,d[1]/this.ds.scale,a.ctrlKey),this.selected_group._nodes.length&&(this.dirty_canvas=!0)),this.dirty_bgcanvas=!0;else if(this.dragging_canvas)this.ds.offset[0]+=d[0]/this.ds.scale,this.ds.offset[1]+=d[1]/this.ds.scale,this.dirty_bgcanvas=this.dirty_canvas=!0;else if(this.allow_interaction&&!this.read_only){this.connecting_node&&
+(this.dirty_canvas=!0);for(var g=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes),b=0,f=this.graph._nodes.length;b<f;++b)if(this.graph._nodes[b].mouseOver&&g!=this.graph._nodes[b]){this.graph._nodes[b].mouseOver=!1;if(this.node_over&&this.node_over.onMouseLeave)this.node_over.onMouseLeave(a);this.node_over=null;this.dirty_canvas=!0}if(g){if(!g.mouseOver&&(g.mouseOver=!0,this.node_over=g,this.dirty_canvas=!0,g.onMouseEnter))g.onMouseEnter(a);if(g.onMouseMove)g.onMouseMove(a,[a.canvasX-
+g.pos[0],a.canvasY-g.pos[1]],this);if(this.connecting_node&&(f=this._highlight_input||[0,0],!this.isOverNodeBox(g,a.canvasX,a.canvasY))){var r=this.isOverNodeInput(g,a.canvasX,a.canvasY,f);-1!=r&&g.inputs[r]?h.isValidConnection(this.connecting_output.type,g.inputs[r].type)&&(this._highlight_input=f):this._highlight_input=null}this.canvas&&(w(a.canvasX,a.canvasY,g.pos[0]+g.size[0]-5,g.pos[1]+g.size[1]-5,5,5)?this.canvas.style.cursor="se-resize":this.canvas.style.cursor="crosshair")}else{f=null;for(b=
+0;b<this.visible_links.length;++b){var r=this.visible_links[b],s=r._pos;if(s&&!(a.canvasX<s[0]-4||a.canvasX>s[0]+4||a.canvasY<s[1]-4||a.canvasY>s[1]+4)){f=r;break}}f!=this.over_link_center&&(this.over_link_center=f,this.dirty_canvas=!0);this.canvas&&(this.canvas.style.cursor="")}if(this.node_capturing_input&&this.node_capturing_input!=g&&this.node_capturing_input.onMouseMove)this.node_capturing_input.onMouseMove(a,[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)g=this.selected_nodes[b],g.pos[0]+=d[0]/this.ds.scale,g.pos[1]+=d[1]/this.ds.scale;this.dirty_bgcanvas=this.dirty_canvas=!0}if(this.resizing_node&&!this.live_mode){this.resizing_node.size[0]=a.canvasX-this.resizing_node.pos[0];this.resizing_node.size[1]=a.canvasY-this.resizing_node.pos[1];d=Math.max(this.resizing_node.inputs?this.resizing_node.inputs.length:0,this.resizing_node.outputs?this.resizing_node.outputs.length:0)*h.NODE_SLOT_HEIGHT+
+(this.resizing_node.widgets?this.resizing_node.widgets.length:0)*(h.NODE_WIDGET_HEIGHT+4)+4;this.resizing_node.size[1]<d&&(this.resizing_node.size[1]=d);this.resizing_node.size[0]<h.NODE_MIN_WIDTH&&(this.resizing_node.size[0]=h.NODE_MIN_WIDTH);if(this.resizing_node.onResize)this.resizing_node.onResize(this.resizing_node.size);this.canvas.style.cursor="se-resize";this.dirty_bgcanvas=this.dirty_canvas=!0}}a.preventDefault();return!1}};e.prototype.processMouseUp=function(a){if(this.graph){var b=this.getCanvasWindow().document;
+e.active_canvas=this;b.removeEventListener("mousemove",this._mousemove_callback,!0);this.canvas.addEventListener("mousemove",this._mousemove_callback,!0);b.removeEventListener("mouseup",this._mouseup_callback,!0);this.adjustMouseEvent(a);b=h.getTime();a.click_time=b-this.last_mouseclick;this.last_mouse_dragging=!1;if(1==a.which){this.node_widget&&this.processNodeWidgets(this.node_widget[0],this.canvas_mouse,a);this.node_widget=null;if(this.selected_group){var b=this.selected_group.pos[0]-Math.round(this.selected_group.pos[0]),
+d=this.selected_group.pos[1]-Math.round(this.selected_group.pos[1]);this.selected_group.move(b,d,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;if(this.dragging_rectangle){if(this.graph){b=this.graph._nodes;d=new Float32Array(4);this.deselectAllNodes();var g=Math.abs(this.dragging_rectangle[2]),
+f=Math.abs(this.dragging_rectangle[3]),r=0>this.dragging_rectangle[3]?this.dragging_rectangle[1]-f:this.dragging_rectangle[1];this.dragging_rectangle[0]=0>this.dragging_rectangle[2]?this.dragging_rectangle[0]-g:this.dragging_rectangle[0];this.dragging_rectangle[1]=r;this.dragging_rectangle[2]=g;this.dragging_rectangle[3]=f;f=[];for(r=0;r<b.length;++r)g=b[r],g.getBounding(d),u(this.dragging_rectangle,d)&&f.push(g);f.length&&this.selectNodes(f)}this.dragging_rectangle=null}else if(this.connecting_node){this.dirty_bgcanvas=
+this.dirty_canvas=!0;if(g=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes))this.connecting_output.type==h.EVENT&&this.isOverNodeBox(g,a.canvasX,a.canvasY)?this.connecting_node.connect(this.connecting_slot,g,h.EVENT):(b=this.isOverNodeInput(g,a.canvasX,a.canvasY),-1!=b?this.connecting_node.connect(this.connecting_slot,g,b):(b=g.getInputInfo(0),this.connecting_output.type==h.EVENT?this.connecting_node.connect(this.connecting_slot,g,h.EVENT):b&&!b.link&&h.isValidConnection(b.type&&this.connecting_output.type)&&
+this.connecting_node.connect(this.connecting_slot,g,0)));this.connecting_node=this.connecting_pos=this.connecting_output=null;this.connecting_slot=-1}else if(this.resizing_node)this.dirty_bgcanvas=this.dirty_canvas=!0,this.resizing_node=null;else if(this.node_dragged){(g=this.node_dragged)&&300>a.click_time&&w(a.canvasX,a.canvasY,g.pos[0],g.pos[1]-h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT)&&g.collapse();this.dirty_bgcanvas=this.dirty_canvas=!0;this.node_dragged.pos[0]=Math.round(this.node_dragged.pos[0]);
+this.node_dragged.pos[1]=Math.round(this.node_dragged.pos[1]);this.graph.config.align_to_grid&&this.node_dragged.alignToGrid();if(this.onNodeMoved)this.onNodeMoved(this.node_dragged);this.node_dragged=null}else{g=this.graph.getNodeOnPos(a.canvasX,a.canvasY,this.visible_nodes);!g&&300>a.click_time&&this.deselectAllNodes();this.dirty_canvas=!0;this.dragging_canvas=!1;if(this.node_over&&this.node_over.onMouseUp)this.node_over.onMouseUp(a,[a.canvasX-this.node_over.pos[0],a.canvasY-this.node_over.pos[1]],
+this);if(this.node_capturing_input&&this.node_capturing_input.onMouseUp)this.node_capturing_input.onMouseUp(a,[a.canvasX-this.node_capturing_input.pos[0],a.canvasY-this.node_capturing_input.pos[1]])}}else 2==a.which?(this.dirty_canvas=!0,this.dragging_canvas=!1):3==a.which&&(this.dirty_canvas=!0,this.dragging_canvas=!1);this.graph.change();a.stopPropagation();a.preventDefault();return!1}};e.prototype.processMouseWheel=function(a){if(this.graph&&this.allow_dragcanvas){var b=null!=a.wheelDeltaY?a.wheelDeltaY:
+-60*a.detail;this.adjustMouseEvent(a);var d=this.ds.scale;0<b?d*=1.1:0>b&&(d*=1/1.1);this.ds.changeScale(d,[a.localX,a.localY]);this.graph.change();a.preventDefault();return!1}};e.prototype.isOverNodeBox=function(a,b,d){var g=h.NODE_TITLE_HEIGHT;return w(b,d,a.pos[0]+2,a.pos[1]+2-g,g-4,g-4)?!0:!1};e.prototype.isOverNodeInput=function(a,b,d,g){if(a.inputs)for(var f=0,h=a.inputs.length;f<h;++f){var s=a.getConnectionPos(!0,f),c=!1;if(c=a.horizontal?w(b,d,s[0]-5,s[1]-10,10,20):w(b,d,s[0]-10,s[1]-5,40,
+10))return g&&(g[0]=s[0],g[1]=s[1]),f}return-1};e.prototype.processKey=function(a){if(this.graph){var b=!1;if("input"!=a.target.localName){if("keydown"==a.type){if(32==a.keyCode&&(b=this.dragging_canvas=!0),65==a.keyCode&&a.ctrlKey&&(this.selectNodes(),b=!0),"KeyC"==a.code&&(a.metaKey||a.ctrlKey)&&!a.shiftKey&&this.selected_nodes&&(this.copyToClipboard(),b=!0),"KeyV"!=a.code||!a.metaKey&&!a.ctrlKey||a.shiftKey||this.pasteFromClipboard(),46!=a.keyCode&&8!=a.keyCode||"input"==a.target.localName||"textarea"==
+a.target.localName||(this.deleteSelectedNodes(),b=!0),this.selected_nodes)for(var d in this.selected_nodes)if(this.selected_nodes[d].onKeyDown)this.selected_nodes[d].onKeyDown(a)}else if("keyup"==a.type&&(32==a.keyCode&&(this.dragging_canvas=!1),this.selected_nodes))for(d in this.selected_nodes)if(this.selected_nodes[d].onKeyUp)this.selected_nodes[d].onKeyUp(a);this.graph.change();if(b)return a.preventDefault(),a.stopImmediatePropagation(),!1}}};e.prototype.copyToClipboard=function(){var a={nodes:[],
+links:[]},b=0,d=[],g;for(g in this.selected_nodes){var f=this.selected_nodes[g];f._relative_id=b;d.push(f);b+=1}for(g=0;g<d.length;++g)if(f=d[g],b=f.clone()){if(a.nodes.push(b.serialize()),f.inputs&&f.inputs.length)for(b=0;b<f.inputs.length;++b){var h=f.inputs[b];if(h&&null!=h.link&&(h=this.graph.links[h.link])){var s=this.graph.getNodeById(h.origin_id);s&&this.selected_nodes[s.id]&&a.links.push([s._relative_id,h.origin_slot,f._relative_id,h.target_slot])}}}else console.warn("node type not found: "+
+f.type);localStorage.setItem("litegrapheditor_clipboard",JSON.stringify(a))};e.prototype.pasteFromClipboard=function(){var a=localStorage.getItem("litegrapheditor_clipboard");if(a){for(var a=JSON.parse(a),b=[],d=0;d<a.nodes.length;++d){var g=a.nodes[d],f=h.createNode(g.type);f&&(f.configure(g),f.pos[0]+=5,f.pos[1]+=5,this.graph.add(f),b.push(f))}for(d=0;d<a.links.length;++d){var g=a.links[d],f=b[g[0]],r=b[g[2]];f&&r?f.connect(g[1],r,g[3]):console.warn("Warning, nodes missing on pasting")}this.selectNodes(b)}};
+e.prototype.processDrop=function(a){a.preventDefault();this.adjustMouseEvent(a);var b=[a.canvasX,a.canvasY],d=this.graph.getNodeOnPos(b[0],b[1]);if(d){if((d.onDropFile||d.onDropData)&&(b=a.dataTransfer.files)&&b.length)for(var g=0;g<b.length;g++){var f=a.dataTransfer.files[0],h=f.name;e.getFileExtension(h);if(d.onDropFile)d.onDropFile(f);if(d.onDropData){var s=new FileReader;s.onload=function(a){d.onDropData(a.target.result,h,f)};var c=f.type.split("/")[0];"text"==c||""==c?s.readAsText(f):"image"==
+c?s.readAsDataURL(f):s.readAsArrayBuffer(f)}}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)};e.prototype.checkDropItem=function(a){if(a.dataTransfer.files.length){var b=a.dataTransfer.files[0],d=e.getFileExtension(b.name).toLowerCase();if(d=h.node_types_by_file_extension[d])if(d=h.createNode(d.type),d.pos=[a.canvasX,a.canvasY],this.graph.add(d),d.onDropFile)d.onDropFile(b)}};e.prototype.processNodeDblClicked=
+function(a){if(this.onShowNodePanel)this.onShowNodePanel(a);if(this.onNodeDblClicked)this.onNodeDblClicked(a);this.setDirty(!0)};e.prototype.processNodeSelected=function(a,b){this.selectNode(a,b&&b.shiftKey);if(this.onNodeSelected)this.onNodeSelected(a)};e.prototype.selectNode=function(a,b){null==a?this.deselectAllNodes():this.selectNodes([a],b)};e.prototype.selectNodes=function(a,b){b||this.deselectAllNodes();a=a||this.graph._nodes;for(var d=0;d<a.length;++d){var g=a[d];if(!g.is_selected){if(!g.is_selected&&
+g.onSelected)g.onSelected();g.is_selected=!0;this.selected_nodes[g.id]=g;if(g.inputs)for(var f=0;f<g.inputs.length;++f)this.highlighted_links[g.inputs[f].link]=!0;if(g.outputs)for(f=0;f<g.outputs.length;++f){var h=g.outputs[f];if(h.links)for(var s=0;s<h.links.length;++s)this.highlighted_links[h.links[s]]=!0}}}if(this.onSelectionChange)this.onSelectionChange(this.selected_nodes);this.setDirty(!0)};e.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 d=a.outputs[b];if(d.links)for(var g=0;g<d.links.length;++g)delete this.highlighted_links[d.links[g]]}}};e.prototype.deselectAllNodes=function(){if(this.graph){for(var a=this.graph._nodes,b=0,d=a.length;b<d;++b){var g=a[b];if(g.is_selected){if(g.onDeselected)g.onDeselected();g.is_selected=!1;if(this.onNodeDeselected)this.onNodeDeselected(g)}}this.selected_nodes=
+{};this.current_node=null;this.highlighted_links={};if(this.onSelectionChange)this.onSelectionChange(this.selected_nodes);this.setDirty(!0)}};e.prototype.deleteSelectedNodes=function(){for(var a in this.selected_nodes){var b=this.selected_nodes[a];if(b.inputs&&b.inputs.length&&b.outputs&&b.outputs.length&&h.isValidConnection(b.inputs[0].type,b.outputs[0].type)&&b.inputs[0].link&&b.outputs[0].links&&b.outputs[0].links.length){var d=b.graph.links[b.inputs[0].link],g=b.graph.links[b.outputs[0].links[0]],
+f=b.getInputNode(0),r=b.getOutputNodes(0)[0];f&&r&&f.connect(d.origin_slot,r,g.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)};e.prototype.centerOnNode=function(a){this.ds.offset[0]=-a.pos[0]-0.5*a.size[0]+0.5*this.canvas.width/this.ds.scale;this.ds.offset[1]=-a.pos[1]-0.5*a.size[1]+0.5*this.canvas.height/this.ds.scale;this.setDirty(!0,!0)};e.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]};e.prototype.setZoom=function(a,b){this.ds.changeScale(a,b);this.dirty_bgcanvas=this.dirty_canvas=!0};e.prototype.convertOffsetToCanvas=
+function(a,b){return this.ds.convertOffsetToCanvas(a,b)};e.prototype.convertCanvasToOffset=function(a,b){return this.ds.convertCanvasToOffset(a,b)};e.prototype.convertEventToCanvasOffset=function(a){var b=this.canvas.getBoundingClientRect();return this.convertCanvasToOffset([a.clientX-b.left,a.clientY-b.top])};e.prototype.bringToFront=function(a){var b=this.graph._nodes.indexOf(a);-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.push(a))};e.prototype.sendToBack=function(a){var b=this.graph._nodes.indexOf(a);
+-1!=b&&(this.graph._nodes.splice(b,1),this.graph._nodes.unshift(a))};var z=new Float32Array(4);e.prototype.computeVisibleNodes=function(a,b){var d=b||[];d.length=0;a=a||this.graph._nodes;for(var g=0,f=a.length;g<f;++g){var h=a[g];(!this.live_mode||h.onDrawBackground||h.onDrawForeground)&&u(this.visible_area,h.getBounding(z))&&d.push(h)}return d};e.prototype.draw=function(a,b){if(this.canvas){var d=h.getTime();this.render_time=0.001*(d-this.last_draw_time);this.last_draw_time=d;this.graph&&this.ds.computeVisibleArea();
+(this.dirty_bgcanvas||b||this.always_render_background||this.graph&&this.graph._last_trigger_time&&1E3>d-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}};e.prototype.drawFrontCanvas=function(){this.dirty_canvas=!1;this.ctx||(this.ctx=this.bgcanvas.getContext("2d"));var a=this.ctx;if(a){a.start2D&&a.start2D();var b=this.canvas;a.restore();a.setTransform(1,0,0,1,0,0);this.dirty_area&&(a.save(),
+a.beginPath(),a.rect(this.dirty_area[0],this.dirty_area[1],this.dirty_area[2],this.dirty_area[3]),a.clip());this.clear_background&&a.clearRect(0,0,b.width,b.height);this.bgcanvas==this.canvas?this.drawBackCanvas():a.drawImage(this.bgcanvas,0,0);if(this.onRender)this.onRender(b,a);this.show_info&&this.renderInfo(a);if(this.graph){a.save();this.ds.toCanvasContext(a);for(var b=this.computeVisibleNodes(null,this.visible_nodes),d=0;d<b.length;++d){var g=b[d];a.save();a.translate(g.pos[0],g.pos[1]);this.drawNode(g,
+a);a.restore()}this.render_execution_order&&this.drawExecutionOrder(a);this.graph.config.links_ontop&&(this.live_mode||this.drawConnections(a));if(null!=this.connecting_pos){a.lineWidth=this.connections_width;b=null;switch(this.connecting_output.type){case h.EVENT:b=h.EVENT_LINK_COLOR;break;default:b=h.CONNECTING_LINK_COLOR}this.renderLink(a,this.connecting_pos,[this.canvas_mouse[0],this.canvas_mouse[1]],null,!1,null,b,this.connecting_output.dir||(this.connecting_node.horizontal?h.DOWN:h.RIGHT),h.CENTER);
+a.beginPath();this.connecting_output.type===h.EVENT||this.connecting_output.shape===h.BOX_SHAPE?a.rect(this.connecting_pos[0]-6+0.5,this.connecting_pos[1]-5+0.5,14,10):a.arc(this.connecting_pos[0],this.connecting_pos[1],4,0,2*Math.PI);a.fill();a.fillStyle="#ffcc00";this._highlight_input&&(a.beginPath(),a.arc(this._highlight_input[0],this._highlight_input[1],6,0,2*Math.PI),a.fill())}this.dragging_rectangle&&(a.strokeStyle="#FFF",a.strokeRect(this.dragging_rectangle[0],this.dragging_rectangle[1],this.dragging_rectangle[2],
+this.dragging_rectangle[3]));if(this.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()}if(this.onDrawOverlay)this.onDrawOverlay(a);this.dirty_area&&a.restore();a.finish2D&&a.finish2D()}};e.prototype.renderInfo=function(a,b,d){b=b||0;d=d||0;a.save();a.translate(b,d);a.font="10px Arial";a.fillStyle="#888";this.graph?(a.fillText("T: "+
+this.graph.globaltime.toFixed(2)+"s",5,13),a.fillText("I: "+this.graph.iteration,5,26),a.fillText("N: "+this.graph._nodes.length+" ["+this.visible_nodes.length+"]",5,39),a.fillText("V: "+this.graph._version,5,52),a.fillText("FPS:"+this.fps.toFixed(2),5,65)):a.fillText("No graph selected",5,13);a.restore()};e.prototype.drawBackCanvas=function(){var a=this.bgcanvas;if(a.width!=this.canvas.width||a.height!=this.canvas.height)a.width=this.canvas.width,a.height=this.canvas.height;this.bgctx||(this.bgctx=
+this.bgcanvas.getContext("2d"));var b=this.bgctx;b.start&&b.start();this.clear_background&&b.clearRect(0,0,a.width,a.height);if(this._graph_stack&&this._graph_stack.length){b.save();var d=this.graph._subgraph_node;b.strokeStyle=d.bgcolor;b.lineWidth=10;b.strokeRect(1,1,a.width-2,a.height-2);b.lineWidth=1;b.font="40px Arial";b.textAlign="center";b.fillStyle=d.bgcolor||"#AAA";for(var g="",f=1;f<this._graph_stack.length;++f)g+=this._graph_stack[f]._subgraph_node.getTitle()+" >> ";b.fillText(g+d.getTitle(),
+0.5*a.width,40);b.restore()}d=!1;this.onRenderBackground&&(d=this.onRenderBackground(a,b));b.restore();b.setTransform(1,0,0,1,0,0);this.visible_links.length=0;if(this.graph){b.save();this.ds.toCanvasContext(b);if(this.background_image&&0.5<this.ds.scale&&!d){b.globalAlpha=this.zoom_modify_alpha?(1-0.5/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 h=this;this._bg_img.onload=function(){h.draw(!0,!0)}}d=null;null==this._pattern&&0<this._bg_img.width?(d=b.createPattern(this._bg_img,"repeat"),this._pattern_img=this._bg_img,this._pattern=d):d=this._pattern;d&&(b.fillStyle=d,b.fillRect(this.visible_area[0],this.visible_area[1],this.visible_area[2],this.visible_area[3]),b.fillStyle="transparent");b.globalAlpha=1;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 y=new Float32Array(2);e.prototype.drawNode=function(a,b){this.current_node=a;var d=a.color||a.constructor.color||h.NODE_DEFAULT_COLOR,g=a.bgcolor||a.constructor.bgcolor||h.NODE_DEFAULT_BGCOLOR,f=0.6>this.ds.scale;if(this.live_mode){if(!a.flags.collapsed&&(b.shadowColor="transparent",a.onDrawForeground))a.onDrawForeground(b,this,this.canvas)}else{var r=
+this.editor_alpha;b.globalAlpha=r;this.render_shadows&&!f?(b.shadowColor=h.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||!0!=a.onDrawCollapsed(b,this)){var s=a._shape||h.BOX_SHAPE;y.set(a.size);var c=a.horizontal;if(a.flags.collapsed){b.font=this.inner_text_font;var k=a.getTitle?a.getTitle():a.title;null!=k&&(a._collapsed_width=Math.min(a.size[0],b.measureText(k).width+
+2*h.NODE_TITLE_HEIGHT),y[0]=a._collapsed_width,y[1]=0)}a.clip_area&&(b.save(),b.beginPath(),s==h.BOX_SHAPE?b.rect(0,0,y[0],y[1]):s==h.ROUND_SHAPE?b.roundRect(0,0,y[0],y[1],10):s==h.CIRCLE_SHAPE&&b.arc(0.5*y[0],0.5*y[1],0.5*y[0],0,2*Math.PI),b.clip());a.has_errors&&(g="red");this.drawNodeShape(a,b,y,d,g,a.is_selected,a.mouseOver);b.shadowColor="transparent";if(a.onDrawForeground)a.onDrawForeground(b,this,this.canvas);b.textAlign=c?"center":"left";b.font=this.inner_text_font;g=!f;s=this.connecting_output;
+b.lineWidth=1;var k=0,e=new Float32Array(2);if(!a.flags.collapsed){if(a.inputs)for(d=0;d<a.inputs.length;d++){var p=a.inputs[d];b.globalAlpha=r;this.connecting_node&&!h.isValidConnection(p.type,s.type)&&(b.globalAlpha=0.4*r);b.fillStyle=null!=p.link?p.color_on||this.default_connection_color.input_on:p.color_off||this.default_connection_color.input_off;var t=a.getConnectionPos(!0,d,e);t[0]-=a.pos[0];t[1]-=a.pos[1];k<t[1]+0.5*h.NODE_SLOT_HEIGHT&&(k=t[1]+0.5*h.NODE_SLOT_HEIGHT);b.beginPath();p.type===
+h.EVENT||p.shape===h.BOX_SHAPE?c?b.rect(t[0]-5+0.5,t[1]-8+0.5,10,14):b.rect(t[0]-6+0.5,t[1]-5+0.5,14,10):p.shape===h.ARROW_SHAPE?(b.moveTo(t[0]+8,t[1]+0.5),b.lineTo(t[0]-4,t[1]+6+0.5),b.lineTo(t[0]-4,t[1]-6+0.5),b.closePath()):f?b.rect(t[0]-4,t[1]-4,8,8):b.arc(t[0],t[1],4,0,2*Math.PI);b.fill();if(g){var q=null!=p.label?p.label:p.name;q&&(b.fillStyle=h.NODE_TEXT_COLOR,c||p.dir==h.UP?b.fillText(q,t[0],t[1]-10):b.fillText(q,t[0]+10,t[1]+5))}}this.connecting_node&&(b.globalAlpha=0.4*r);b.textAlign=c?
+"center":"right";b.strokeStyle="black";if(a.outputs)for(d=0;d<a.outputs.length;d++)if(p=a.outputs[d],t=a.getConnectionPos(!1,d,e),t[0]-=a.pos[0],t[1]-=a.pos[1],k<t[1]+0.5*h.NODE_SLOT_HEIGHT&&(k=t[1]+0.5*h.NODE_SLOT_HEIGHT),b.fillStyle=p.links&&p.links.length?p.color_on||this.default_connection_color.output_on:p.color_off||this.default_connection_color.output_off,b.beginPath(),p.type===h.EVENT||p.shape===h.BOX_SHAPE?c?b.rect(t[0]-5+0.5,t[1]-8+0.5,10,14):b.rect(t[0]-6+0.5,t[1]-5+0.5,14,10):p.shape===
+h.ARROW_SHAPE?(b.moveTo(t[0]+8,t[1]+0.5),b.lineTo(t[0]-4,t[1]+6+0.5),b.lineTo(t[0]-4,t[1]-6+0.5),b.closePath()):f?b.rect(t[0]-4,t[1]-4,8,8):b.arc(t[0],t[1],4,0,2*Math.PI),b.fill(),f||b.stroke(),g&&(q=null!=p.label?p.label:p.name))b.fillStyle=h.NODE_TEXT_COLOR,c||p.dir==h.DOWN?b.fillText(q,t[0],t[1]-8):b.fillText(q,t[0]-10,t[1]+5);b.textAlign="left";b.globalAlpha=1;if(a.widgets){p=k;if(c||a.widgets_up)p=2;null!=a.widgets_start_y&&(p=a.widgets_start_y);this.drawNodeWidgets(a,p,b,this.node_widget&&this.node_widget[0]==
+a?this.node_widget[1]:null)}}else if(this.render_collapsed_slots){f=r=null;if(a.inputs)for(d=0;d<a.inputs.length;d++)if(p=a.inputs[d],null!=p.link){r=p;break}if(a.outputs)for(d=0;d<a.outputs.length;d++)p=a.outputs[d],p.links&&p.links.length&&(f=p);r&&(r=0,d=-0.5*h.NODE_TITLE_HEIGHT,c&&(r=0.5*a._collapsed_width,d=-h.NODE_TITLE_HEIGHT),b.fillStyle="#686",b.beginPath(),p.type===h.EVENT||p.shape===h.BOX_SHAPE?b.rect(r-7+0.5,d-4,14,8):p.shape===h.ARROW_SHAPE?(b.moveTo(r+8,d),b.lineTo(r+-4,d-4),b.lineTo(r+
+-4,d+4),b.closePath()):b.arc(r,d,4,0,2*Math.PI),b.fill());f&&(r=a._collapsed_width,d=-0.5*h.NODE_TITLE_HEIGHT,c&&(r=0.5*a._collapsed_width,d=0),b.fillStyle="#686",b.strokeStyle="black",b.beginPath(),p.type===h.EVENT||p.shape===h.BOX_SHAPE?b.rect(r-7+0.5,d-4,14,8):p.shape===h.ARROW_SHAPE?(b.moveTo(r+6,d),b.lineTo(r-6,d-4),b.lineTo(r-6,d+4),b.closePath()):b.arc(r,d,4,0,2*Math.PI),b.fill())}a.clip_area&&b.restore();b.globalAlpha=1}}};e.prototype.drawLinkTooltip=function(a,b){var d=b._pos;a.fillStyle=
+"black";a.beginPath();a.arc(d[0],d[1],3,0,2*Math.PI);a.fill();if(null!=b.data&&(!this.onDrawLinkTooltip||!0!=this.onDrawLinkTooltip(a,b,this))){var g=b.data,f=null,f=g.constructor===Number?g.toFixed(2):g.constructor===String?'"'+g+'"':g.constructor===Boolean?String(g):g.toToolTip?g.toToolTip():"["+g.constructor.name+"]";null!=f&&(f=f.substr(0,30),a.font="14px Courier New",g=a.measureText(f).width+20,a.shadowColor="black",a.shadowOffsetX=2,a.shadowOffsetY=2,a.shadowBlur=3,a.fillStyle="#454",a.beginPath(),
+a.roundRect(d[0]-0.5*g,d[1]-15-24,g,24,3,3),a.moveTo(d[0]-10,d[1]-15),a.lineTo(d[0]+10,d[1]-15),a.lineTo(d[0],d[1]-5),a.fill(),a.shadowColor="transparent",a.textAlign="center",a.fillStyle="#CEC",a.fillText(f,d[0],d[1]-15-24*0.3))}};var v=new Float32Array(4);e.prototype.drawNodeShape=function(a,b,d,g,f,r,s){b.strokeStyle=g;b.fillStyle=f;f=h.NODE_TITLE_HEIGHT;var c=0.5>this.ds.scale,k=a._shape||a.constructor.shape||h.ROUND_SHAPE,p=a.constructor.title_mode,q=!0;p==h.TRANSPARENT_TITLE?q=!1:p==h.AUTOHIDE_TITLE&&
+s&&(q=!0);v[0]=0;v[1]=q?-f:0;v[2]=d[0]+1;v[3]=q?d[1]+f:d[1];s=b.globalAlpha;b.beginPath();k==h.BOX_SHAPE||c?b.fillRect(v[0],v[1],v[2],v[3]):k==h.ROUND_SHAPE||k==h.CARD_SHAPE?b.roundRect(v[0],v[1],v[2],v[3],this.round_radius,k==h.CARD_SHAPE?0:this.round_radius):k==h.CIRCLE_SHAPE&&b.arc(0.5*d[0],0.5*d[1],0.5*d[0],0,2*Math.PI);b.fill();a.flags.collapsed||(b.shadowColor="transparent",b.fillStyle="rgba(0,0,0,0.2)",b.fillRect(0,-1,v[2],2));b.shadowColor="transparent";if(a.onDrawBackground)a.onDrawBackground(b,
+this,this.canvas);if(q||p==h.TRANSPARENT_TITLE){if(a.onDrawTitleBar)a.onDrawTitleBar(b,f,d,this.ds.scale,g);else if(p!=h.TRANSPARENT_TITLE&&(a.constructor.title_color||this.render_title_colored)){q=a.constructor.title_color||g;a.flags.collapsed&&(b.shadowColor=h.DEFAULT_SHADOW_COLOR);if(this.use_gradients){var t=e.gradients[q];t||(t=e.gradients[q]=b.createLinearGradient(0,0,400,0),t.addColorStop(0,q),t.addColorStop(1,"#000"));b.fillStyle=t}else b.fillStyle=q;b.beginPath();k==h.BOX_SHAPE||c?b.rect(0,
+-f,d[0]+1,f):k!=h.ROUND_SHAPE&&k!=h.CARD_SHAPE||b.roundRect(0,-f,d[0]+1,f,this.round_radius,a.flags.collapsed?this.round_radius:0);b.fill();b.shadowColor="transparent"}if(a.onDrawTitleBox)a.onDrawTitleBox(b,f,d,this.ds.scale);else k==h.ROUND_SHAPE||k==h.CIRCLE_SHAPE||k==h.CARD_SHAPE?(c&&(b.fillStyle="black",b.beginPath(),b.arc(0.5*f,-0.5*f,6,0,2*Math.PI),b.fill()),b.fillStyle=a.boxcolor||h.NODE_DEFAULT_BOXCOLOR,c?b.fillRect(0.5*f-5,-0.5*f-5,10,10):(b.beginPath(),b.arc(0.5*f,-0.5*f,5,0,2*Math.PI),
+b.fill())):(c&&(b.fillStyle="black",b.fillRect(0.5*(f-10)-1,-0.5*(f+10)-1,12,12)),b.fillStyle=a.boxcolor||h.NODE_DEFAULT_BOXCOLOR,b.fillRect(0.5*(f-10),-0.5*(f+10),10,10));b.globalAlpha=s;if(a.onDrawTitleText)a.onDrawTitleText(b,f,d,this.ds.scale,this.title_text_font,r);!c&&(b.font=this.title_text_font,c=String(a.getTitle()))&&(b.fillStyle=r?"white":a.constructor.title_text_color||this.node_title_color,a.flags.collapsed?(b.textAlign="left",b.measureText(c),b.fillText(c.substr(0,20),f,h.NODE_TITLE_TEXT_Y-
+f),b.textAlign="left"):(b.textAlign="left",b.fillText(c,f,h.NODE_TITLE_TEXT_Y-f)));if(a.onDrawTitle)a.onDrawTitle(b)}if(r){if(a.onBounding)a.onBounding(v);p==h.TRANSPARENT_TITLE&&(v[1]-=f,v[3]+=f);b.lineWidth=1;b.globalAlpha=0.8;b.beginPath();k==h.BOX_SHAPE?b.rect(-6+v[0],-6+v[1],12+v[2],12+v[3]):k==h.ROUND_SHAPE||k==h.CARD_SHAPE&&a.flags.collapsed?b.roundRect(-6+v[0],-6+v[1],12+v[2],12+v[3],2*this.round_radius):k==h.CARD_SHAPE?b.roundRect(-6+v[0],-6+v[1],12+v[2],12+v[3],2*this.round_radius,2):k==
+h.CIRCLE_SHAPE&&b.arc(0.5*d[0],0.5*d[1],0.5*d[0]+6,0,2*Math.PI);b.strokeStyle="#FFF";b.stroke();b.strokeStyle=g;b.globalAlpha=1}};var G=new Float32Array(4),p=new Float32Array(4),q=new Float32Array(2),k=new Float32Array(2);e.prototype.drawConnections=function(a){var b=h.getTime(),d=this.visible_area;G[0]=d[0]-20;G[1]=d[1]-20;G[2]=d[2]+40;G[3]=d[3]+40;a.lineWidth=this.connections_width;a.fillStyle="#AAA";a.strokeStyle="#AAA";a.globalAlpha=this.editor_alpha;for(var d=this.graph._nodes,g=0,f=d.length;g<
+f;++g){var r=d[g];if(r.inputs&&r.inputs.length)for(var s=0;s<r.inputs.length;++s){var c=r.inputs[s];if(c&&null!=c.link&&(c=this.graph.links[c.link])){var e=this.graph.getNodeById(c.origin_id);if(null!=e){var z=c.origin_slot,l=null,l=-1==z?[e.pos[0]+10,e.pos[1]+10]:e.getConnectionPos(!1,z,q),t=r.getConnectionPos(!0,s,k);p[0]=l[0];p[1]=l[1];p[2]=t[0]-l[0];p[3]=t[1]-l[1];0>p[2]&&(p[0]+=p[2],p[2]=Math.abs(p[2]));0>p[3]&&(p[1]+=p[3],p[3]=Math.abs(p[3]));if(u(p,G)){var n=e.outputs[z],z=r.inputs[s];if(n&&
+z&&(e=n.dir||(e.horizontal?h.DOWN:h.RIGHT),z=z.dir||(r.horizontal?h.UP:h.LEFT),this.renderLink(a,l,t,c,!1,0,null,e,z),c&&c._last_time&&1E3>b-c._last_time)){var n=2-0.002*(b-c._last_time),K=a.globalAlpha;a.globalAlpha=K*n;this.renderLink(a,l,t,c,!0,n,"white",e,z);a.globalAlpha=K}}}}}}a.globalAlpha=1};e.prototype.renderLink=function(a,b,d,g,f,r,c,k,p,q){g&&this.visible_links.push(g);!c&&g&&(c=g.color||e.link_type_colors[g.type]);c||(c=this.default_link_color);null!=g&&this.highlighted_links[g.id]&&
+(c="#FFF");k=k||h.RIGHT;p=p||h.LEFT;var z=C(b,d);this.render_connections_border&&0.6<this.ds.scale&&(a.lineWidth=this.connections_width+4);a.lineJoin="round";q=q||1;1<q&&(a.lineWidth=0.5);a.beginPath();for(var t=0;t<q;t+=1){var l=5*(t-0.5*(q-1));if(this.links_render_mode==h.SPLINE_LINK){a.moveTo(b[0],b[1]+l);var n=0,y=0,u=0,m=0;switch(k){case h.LEFT:n=-0.25*z;break;case h.RIGHT:n=0.25*z;break;case h.UP:y=-0.25*z;break;case h.DOWN:y=0.25*z}switch(p){case h.LEFT:u=-0.25*z;break;case h.RIGHT:u=0.25*
+z;break;case h.UP:m=-0.25*z;break;case h.DOWN:m=0.25*z}a.bezierCurveTo(b[0]+n,b[1]+y+l,d[0]+u,d[1]+m+l,d[0],d[1]+l)}else if(this.links_render_mode==h.LINEAR_LINK){a.moveTo(b[0],b[1]+l);m=u=y=n=0;switch(k){case h.LEFT:n=-1;break;case h.RIGHT:n=1;break;case h.UP:y=-1;break;case h.DOWN:y=1}switch(p){case h.LEFT:u=-1;break;case h.RIGHT:u=1;break;case h.UP:m=-1;break;case h.DOWN:m=1}a.lineTo(b[0]+15*n,b[1]+15*y+l);a.lineTo(d[0]+15*u,d[1]+15*m+l);a.lineTo(d[0],d[1]+l)}else if(this.links_render_mode==h.STRAIGHT_LINK)a.moveTo(b[0],
+b[1]),l=b[0],n=b[1],y=d[0],u=d[1],k==h.RIGHT?l+=10:n+=10,p==h.LEFT?y-=10:u-=10,a.lineTo(l,n),a.lineTo(0.5*(l+y),n),a.lineTo(0.5*(l+y),u),a.lineTo(y,u),a.lineTo(d[0],d[1]);else return}this.render_connections_border&&0.6<this.ds.scale&&!f&&(a.strokeStyle="rgba(0,0,0,0.5)",a.stroke());a.lineWidth=this.connections_width;a.fillStyle=a.strokeStyle=c;a.stroke();f=this.computeConnectionPoint(b,d,0.5,k,p);g&&g._pos&&(g._pos[0]=f[0],g._pos[1]=f[1]);0.6<=this.ds.scale&&this.highquality_render&&p!=h.CENTER&&
+(this.render_connection_arrows&&(t=this.computeConnectionPoint(b,d,0.25,k,p),g=this.computeConnectionPoint(b,d,0.26,k,p),q=this.computeConnectionPoint(b,d,0.75,k,p),z=this.computeConnectionPoint(b,d,0.76,k,p),n=l=0,this.render_curved_connections?(l=-Math.atan2(g[0]-t[0],g[1]-t[1]),n=-Math.atan2(z[0]-q[0],z[1]-q[1])):n=l=d[1]>b[1]?0:Math.PI,a.save(),a.translate(t[0],t[1]),a.rotate(l),a.beginPath(),a.moveTo(-5,-3),a.lineTo(0,7),a.lineTo(5,-3),a.fill(),a.restore(),a.save(),a.translate(q[0],q[1]),a.rotate(n),
+a.beginPath(),a.moveTo(-5,-3),a.lineTo(0,7),a.lineTo(5,-3),a.fill(),a.restore()),a.beginPath(),a.arc(f[0],f[1],5,0,2*Math.PI),a.fill());if(r)for(a.fillStyle=c,t=0;5>t;++t)r=(0.001*h.getTime()+0.2*t)%1,f=this.computeConnectionPoint(b,d,r,k,p),a.beginPath(),a.arc(f[0],f[1],5,0,2*Math.PI),a.fill()};e.prototype.computeConnectionPoint=function(a,b,d,g,f){g=g||h.RIGHT;f=f||h.LEFT;var r=C(a,b),c=[a[0],a[1]],k=[b[0],b[1]];switch(g){case h.LEFT:c[0]+=-0.25*r;break;case h.RIGHT:c[0]+=0.25*r;break;case h.UP:c[1]+=
+-0.25*r;break;case h.DOWN:c[1]+=0.25*r}switch(f){case h.LEFT:k[0]+=-0.25*r;break;case h.RIGHT:k[0]+=0.25*r;break;case h.UP:k[1]+=-0.25*r;break;case h.DOWN:k[1]+=0.25*r}g=(1-d)*(1-d)*(1-d);f=3*(1-d)*(1-d)*d;r=3*(1-d)*d*d;d*=d*d;return[g*a[0]+f*c[0]+r*k[0]+d*b[0],g*a[1]+f*c[1]+r*k[1]+d*b[1]]};e.prototype.drawExecutionOrder=function(a){a.shadowColor="transparent";a.globalAlpha=0.25;a.textAlign="center";a.strokeStyle="white";a.globalAlpha=0.75;for(var b=this.visible_nodes,d=0;d<b.length;++d){var g=b[d];
+a.fillStyle="black";a.fillRect(g.pos[0]-h.NODE_TITLE_HEIGHT,g.pos[1]-h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT);0==g.order&&a.strokeRect(g.pos[0]-h.NODE_TITLE_HEIGHT+0.5,g.pos[1]-h.NODE_TITLE_HEIGHT+0.5,h.NODE_TITLE_HEIGHT,h.NODE_TITLE_HEIGHT);a.fillStyle="#FFF";a.fillText(g.order,g.pos[0]+-0.5*h.NODE_TITLE_HEIGHT,g.pos[1]-6)}a.globalAlpha=1};e.prototype.drawNodeWidgets=function(a,b,d,g){if(!a.widgets||!a.widgets.length)return 0;var f=a.size[0],r=a.widgets;b+=2;var c=h.NODE_WIDGET_HEIGHT,
+k=0.5<this.ds.scale;d.save();d.globalAlpha=this.editor_alpha;for(var p=h.WIDGET_OUTLINE_COLOR,e=h.WIDGET_BGCOLOR,q=h.WIDGET_TEXT_COLOR,t=h.WIDGET_SECONDARY_TEXT_COLOR,z=0;z<r.length;++z){var l=r[z],n=b;l.y&&(n=l.y);l.last_y=n;d.strokeStyle=p;d.fillStyle="#222";d.textAlign="left";l.disabled&&(d.globalAlpha*=0.5);switch(l.type){case "button":l.clicked&&(d.fillStyle="#AAA",l.clicked=!1,this.dirty_canvas=!0);d.fillRect(15,n,f-30,c);k&&d.strokeRect(15,n,f-30,c);k&&(d.textAlign="center",d.fillStyle=q,d.fillText(l.name,
+0.5*f,n+0.7*c));break;case "toggle":d.textAlign="left";d.strokeStyle=p;d.fillStyle=e;d.beginPath();k?d.roundRect(15,b,f-30,c,0.5*c):d.rect(15,b,f-30,c);d.fill();k&&d.stroke();d.fillStyle=l.value?"#89A":"#333";d.beginPath();d.arc(f-30,n+0.5*c,0.36*c,0,2*Math.PI);d.fill();k&&(d.fillStyle=t,null!=l.name&&d.fillText(l.name,30,n+0.7*c),d.fillStyle=l.value?q:t,d.textAlign="right",d.fillText(l.value?l.options.on||"true":l.options.off||"false",f-40,n+0.7*c));break;case "slider":d.fillStyle=e;d.fillRect(15,
+n,f-30,c);var y=l.options.max-l.options.min,u=(l.value-l.options.min)/y;d.fillStyle=g==l?"#89A":"#678";d.fillRect(15,n,u*(f-30),c);k&&d.strokeRect(15,n,f-30,c);l.marker&&(y=(l.marker-l.options.min)/y,d.fillStyle="#AA9",d.fillRect(15+y*(f-30),n,2,c));k&&(d.textAlign="center",d.fillStyle=q,d.fillText(l.name+"  "+Number(l.value).toFixed(3),0.5*f,n+0.7*c));break;case "number":case "combo":d.textAlign="left";d.strokeStyle=p;d.fillStyle=e;d.beginPath();k?d.roundRect(15,b,f-30,c,0.5*c):d.rect(15,b,f-30,
+c);d.fill();k&&(d.stroke(),d.fillStyle=q,d.beginPath(),d.moveTo(31,b+5),d.lineTo(21,b+0.5*c),d.lineTo(31,b+c-5),d.fill(),d.beginPath(),d.moveTo(f-15-16,b+5),d.lineTo(f-15-6,b+0.5*c),d.lineTo(f-15-16,b+c-5),d.fill(),d.fillStyle=t,d.fillText(l.name,35,n+0.7*c),d.fillStyle=q,d.textAlign="right","number"==l.type?d.fillText(Number(l.value).toFixed(void 0!==l.options.precision?l.options.precision:3),f-30-20,n+0.7*c):(y=l.value,l.options.values&&(u=l.options.values,u.constructor===Function&&(u=u()),u&&u.constructor!==
+Array&&(y=u[l.value])),d.fillText(y,f-30-20,n+0.7*c)));break;case "string":case "text":d.textAlign="left";d.strokeStyle=p;d.fillStyle=e;d.beginPath();k?d.roundRect(15,b,f-30,c,0.5*c):d.rect(15,b,f-30,c);d.fill();k&&(d.save(),d.beginPath(),d.rect(15,b,f-30,c),d.clip(),d.stroke(),d.fillStyle=t,null!=l.name&&d.fillText(l.name,30,n+0.7*c),d.fillStyle=q,d.textAlign="right",d.fillText(String(l.value).substr(0,30),f-30,n+0.7*c),d.restore());break;default:l.draw&&l.draw(d,a,l,n,c)}b+=c+4;d.globalAlpha=this.editor_alpha}d.restore();
+d.textAlign="left"};e.prototype.processNodeWidgets=function(a,b,d,g){function f(f,g){f.value=g;f.options&&f.options.property&&void 0!==a.properties[f.options.property]&&a.setProperty(f.options.property,g);f.callback&&f.callback(f.value,p,a,b,d)}if(!a.widgets||!a.widgets.length)return null;for(var c=b[0]-a.pos[0],s=b[1]-a.pos[1],k=a.size[0],p=this,e=this.getCanvasWindow(),q=0;q<a.widgets.length;++q){var t=a.widgets[q];if(t&&!t.disabled&&(t==g||6<c&&c<k-12&&s>t.last_y&&s<t.last_y+h.NODE_WIDGET_HEIGHT)){switch(t.type){case "button":if("mousemove"===
+d.type)break;t.callback&&setTimeout(function(){t.callback(t,p,a,b,d)},20);this.dirty_canvas=t.clicked=!0;break;case "slider":e=Math.clamp((c-10)/(k-20),0,1);t.value=t.options.min+(t.options.max-t.options.min)*e;t.callback&&setTimeout(function(){f(t,t.value)},20);this.dirty_canvas=!0;break;case "number":case "combo":g=t.value;if("mousemove"==d.type&&"number"==t.type)t.value+=0.1*d.deltaX*(t.options.step||1),null!=t.options.min&&t.value<t.options.min&&(t.value=t.options.min),null!=t.options.max&&t.value>
+t.options.max&&(t.value=t.options.max);else if("mousedown"==d.type){var l=t.options.values;l&&l.constructor===Function&&(l=t.options.values(t,a));var z=null;"number"!=t.type&&(z=l.constructor===Array?l:Object.keys(l));c=40>c?-1:c>k-40?1:0;if("number"==t.type)t.value+=0.1*c*(t.options.step||1),null!=t.options.min&&t.value<t.options.min&&(t.value=t.options.min),null!=t.options.max&&t.value>t.options.max&&(t.value=t.options.max);else if(c)e=-1,e=l.constructor===Object?z.indexOf(String(t.value))+c:z.indexOf(t.value)+
+c,e>=z.length&&(e=z.length-1),0>e&&(e=0),t.value=l.constructor===Array?l[e]:e;else{var n=l!=z?Object.values(l):l;new h.ContextMenu(n,{scale:Math.max(1,this.ds.scale),event:d,className:"dark",callback:y.bind(t)},e);var y=function(a,b,d){l!=z&&(a=n.indexOf(a));this.value=a;f(this,a);p.dirty_canvas=!0;return!1}}}else"mouseup"==d.type&&"number"==t.type&&(c=40>c?-1:c>k-40?1:0,200>d.click_time&&0==c&&this.prompt("Value",t.value,function(a){this.value=Number(a);f(this,this.value)}.bind(t),d));g!=t.value&&
+setTimeout(function(){f(this,this.value)}.bind(t),20);this.dirty_canvas=!0;break;case "toggle":"mousedown"==d.type&&(t.value=!t.value,setTimeout(function(){f(t,t.value)},20));break;case "string":case "text":"mousedown"==d.type&&this.prompt("Value",t.value,function(a){this.value=a;f(this,a)}.bind(t),d);break;default:t.mouse&&t.mouse(ctx,d,[c,s],a)}return t}}return null};e.prototype.drawGroups=function(a,b){if(this.graph){var d=this.graph._groups;b.save();b.globalAlpha=0.5*this.editor_alpha;for(var g=
+0;g<d.length;++g){var f=d[g];if(u(this.visible_area,f._bounding)){b.fillStyle=f.color||"#335";b.strokeStyle=f.color||"#335";var c=f._pos,s=f._size;b.globalAlpha=0.25*this.editor_alpha;b.beginPath();b.rect(c[0]+0.5,c[1]+0.5,s[0],s[1]);b.fill();b.globalAlpha=this.editor_alpha;b.stroke();b.beginPath();b.moveTo(c[0]+s[0],c[1]+s[1]);b.lineTo(c[0]+s[0]-10,c[1]+s[1]);b.lineTo(c[0]+s[0],c[1]+s[1]-10);b.fill();s=f.font_size||h.DEFAULT_GROUP_FONT_SIZE;b.font=s+"px Arial";b.fillText(f.title,c[0]+4,c[1]+s)}}b.restore()}};
+e.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)};e.prototype.resize=function(a,b){if(!a&&!b){var d=this.canvas.parentNode;a=d.offsetWidth;b=d.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)};e.prototype.switchLiveMode=function(a){if(a){var b=this,d=this.live_mode?
+1.1:0.9;this.live_mode&&(this.live_mode=!1,this.editor_alpha=0.1);var g=setInterval(function(){b.editor_alpha*=d;b.dirty_canvas=!0;b.dirty_bgcanvas=!0;1>d&&0.01>b.editor_alpha&&(clearInterval(g),1>d&&(b.live_mode=!0));1<d&&0.99<b.editor_alpha&&(clearInterval(g),b.editor_alpha=1)},1)}else this.live_mode=!this.live_mode,this.dirty_bgcanvas=this.dirty_canvas=!0};e.prototype.onNodeSelectionChange=function(a){};e.prototype.touchHandler=function(a){var b=a.changedTouches[0],d="";switch(a.type){case "touchstart":d=
+"mousedown";break;case "touchmove":d="mousemove";break;case "touchend":d="mouseup";break;default:return}var g=this.getCanvasWindow(),f=g.document.createEvent("MouseEvent");f.initMouseEvent(d,!0,!0,g,1,b.screenX,b.screenY,b.clientX,b.clientY,!1,!1,!1,!1,0,null);b.target.dispatchEvent(f);a.preventDefault()};e.onGroupAdd=function(a,b,d){a=e.active_canvas;a.getCanvasWindow();b=new h.LGraphGroup;b.pos=a.convertEventToCanvasOffset(d);a.graph.add(b)};e.onMenuAdd=function(a,b,d,g,f){function c(a,b){var d=
+g.getFirstEvent(),r=h.createNode(a.value);r&&(r.pos=s.convertEventToCanvasOffset(d),s.graph.add(r));f&&f(r)}var s=e.active_canvas,k=s.getCanvasWindow();a=h.getNodeTypesCategories(s.filter);b=[];for(var p in a)a[p]&&b.push({value:a[p],content:a[p],has_submenu:!0});var q=new h.ContextMenu(b,{event:d,callback:function(a,b,d){a=h.getNodeTypesInCategory(a.value,s.filter);b=[];for(var f in a)a[f].skip_list||b.push({content:a[f].title,value:a[f].type});new h.ContextMenu(b,{event:d,callback:c,parentMenu:q},
+k);return!1},parentMenu:g},k);return!1};e.onMenuCollapseAll=function(){};e.onMenuNodeEdit=function(){};e.showMenuNodeOptionalInputs=function(a,b,d,g,f){function c(a,b,d){f&&(a.callback&&a.callback.call(s,f,a,b,d),a.value&&(f.addInput(a.value[0],a.value[1],a.value[2]),f.setDirtyCanvas(!0,!0)))}if(f){var s=this;a=e.active_canvas.getCanvasWindow();b=f.optional_inputs;f.onGetInputs&&(b=f.onGetInputs());var k=[];if(b)for(var p in b){var q=b[p];if(q){var l=q[0];q[2]&&q[2].label&&(l=q[2].label);l={content:l,
+value:q};q[1]==h.ACTION&&(l.className="event");k.push(l)}else k.push(null)}this.onMenuNodeInputs&&(k=this.onMenuNodeInputs(k));if(k.length)return new h.ContextMenu(k,{event:d,callback:c,parentMenu:g,node:f},a),!1}};e.showMenuNodeOptionalOutputs=function(a,b,d,g,f){function c(a,b,d){if(f&&(a.callback&&a.callback.call(k,f,a,b,d),a.value))if(d=a.value[1],!d||d.constructor!==Object&&d.constructor!==Array)f.addOutput(a.value[0],a.value[1],a.value[2]),f.setDirtyCanvas(!0,!0);else{a=[];for(var p in d)a.push({content:p,
+value:d[p]});new h.ContextMenu(a,{event:b,callback:c,parentMenu:g,node:f});return!1}}if(f){var k=this;a=e.active_canvas.getCanvasWindow();b=f.optional_outputs;f.onGetOutputs&&(b=f.onGetOutputs());var p=[];if(b)for(var q in b){var l=b[q];if(!l)p.push(null);else if(!f.flags||!f.flags.skip_repeated_outputs||-1==f.findOutputSlot(l[0])){var z=l[0];l[2]&&l[2].label&&(z=l[2].label);z={content:z,value:l};l[1]==h.EVENT&&(z.className="event");p.push(z)}}this.onMenuNodeOutputs&&(p=this.onMenuNodeOutputs(p));
+if(p.length)return new h.ContextMenu(p,{event:d,callback:c,parentMenu:g,node:f},a),!1}};e.onShowMenuNodeProperties=function(a,b,d,g,f){function c(a,b,d,g){f&&(b=this.getBoundingClientRect(),k.showEditPropertyValue(f,a.value,{position:[b.left,b.top]}))}if(f&&f.properties){var k=e.active_canvas;b=k.getCanvasWindow();var p=[],q;for(q in f.properties)a=void 0!==f.properties[q]?f.properties[q]:" ","object"==typeof a&&(a=JSON.stringify(a)),a=e.decodeHTML(a),p.push({content:"<span class='property_name'>"+
+q+"</span><span class='property_value'>"+a+"</span>",value:q});if(p.length)return new h.ContextMenu(p,{event:d,callback:c,parentMenu:g,allow_html:!0,node:f},b),!1}};e.decodeHTML=function(a){var b=document.createElement("div");b.innerText=a;return b.innerHTML};e.onResizeNode=function(a,b,d,g,f){f&&(f.size=f.computeSize(),f.setDirtyCanvas(!0,!0))};e.prototype.showLinkMenu=function(a,b){var d=this;console.log(a);var g=new h.ContextMenu(["Add Node",null,"Delete"],{event:b,title:null!=a.data?a.data.constructor.name:
+null,callback:function(b,h,c){switch(b){case "Add Node":e.onMenuAdd(null,null,c,g,function(b){console.log("node autoconnect");var f=d.graph.getNodeById(a.origin_id),g=d.graph.getNodeById(a.target_id);b.inputs&&b.inputs.length&&b.outputs&&b.outputs.length&&f.outputs[a.origin_slot].type==b.inputs[0].type&&b.outputs[0].type==g.inputs[0].type&&(f.connect(a.origin_slot,b,0),b.connect(0,g,a.target_slot),b.pos[0]-=0.5*b.size[0])});break;case "Delete":d.graph.removeLink(a.id)}}});return!1};e.onShowPropertyEditor=
+function(a,b,d,g,f){function h(){var b=p.value;"Number"==a.type?b=Number(b):"Boolean"==a.type&&(b=Boolean(b));f[c]=b;k.parentNode&&k.parentNode.removeChild(k);f.setDirtyCanvas(!0,!0)}var c=a.property||"title";b=f[c];var k=document.createElement("div");k.className="graphdialog";k.innerHTML="<span class='name'></span><input autofocus type='text' class='value'/><button>OK</button>";k.querySelector(".name").innerText=c;var p=k.querySelector("input");p&&(p.value=b,p.addEventListener("blur",function(a){this.focus()}),
+p.addEventListener("keydown",function(a){13==a.keyCode&&(h(),a.preventDefault(),a.stopPropagation())}));b=e.active_canvas.canvas;d=b.getBoundingClientRect();var q=g=-20;d&&(g-=d.left,q-=d.top);event?(k.style.left=event.clientX+g+"px",k.style.top=event.clientY+q+"px"):(k.style.left=0.5*b.width+g+"px",k.style.top=0.5*b.height+q+"px");k.querySelector("button").addEventListener("click",h);b.parentNode.appendChild(k)};e.prototype.prompt=function(a,b,d,g){var f=this;a=a||"";var h=!1,c=document.createElement("div");
+c.className="graphdialog rounded";c.innerHTML="<span class='name'></span> <input autofocus type='text' class='value'/><button class='rounded'>OK</button>";c.close=function(){f.prompt_box=null;c.parentNode&&c.parentNode.removeChild(c)};1<this.ds.scale&&(c.style.transform="scale("+this.ds.scale+")");c.addEventListener("mouseleave",function(a){h||c.close()});f.prompt_box&&f.prompt_box.close();f.prompt_box=c;c.querySelector(".name").innerText=a;c.querySelector(".value").value=b;var k=c.querySelector("input");
+k.addEventListener("keydown",function(a){h=!0;if(27==a.keyCode)c.close();else if(13==a.keyCode)d&&d(this.value),c.close();else return;a.preventDefault();a.stopPropagation()});c.querySelector("button").addEventListener("click",function(a){d&&d(k.value);f.setDirty(!0);c.close()});a=e.active_canvas.canvas;b=a.getBoundingClientRect();var p=-20,q=-20;b&&(p-=b.left,q-=b.top);g?(c.style.left=g.clientX+p+"px",c.style.top=g.clientY+q+"px"):(c.style.left=0.5*a.width+p+"px",c.style.top=0.5*a.height+q+"px");
+a.parentNode.appendChild(c);setTimeout(function(){k.focus()},10);return c};e.search_limit=-1;e.prototype.showSearchBox=function(a){function b(b){if(b)if(f.onSearchBoxSelection)f.onSearchBoxSelection(b,a,c);else{var d=h.searchbox_extras[b.toLowerCase()];d&&(b=d.type);if(b=h.createNode(b))b.pos=c.convertEventToCanvasOffset(a),c.graph.add(b);if(d&&d.data){if(d.data.properties)for(var g in d.data.properties)b.addProperty(g,d.data.properties[g]);if(d.data.inputs)for(g in b.inputs=[],d.data.inputs)b.addOutput(d.data.inputs[g][0],
+d.data.inputs[g][1]);if(d.data.outputs)for(g in b.outputs=[],d.data.outputs)b.addOutput(d.data.outputs[g][0],d.data.outputs[g][1]);d.data.title&&(b.title=d.data.title);d.data.json&&b.configure(d.data.json)}}q.close()}function d(a){var b=y;y&&y.classList.remove("selected");y?(y=a?y.nextSibling:y.previousSibling)||(y=b):y=a?z.childNodes[0]:z.childNodes[z.childNodes.length];y&&(y.classList.add("selected"),y.scrollIntoView({block:"end",behavior:"smooth"}))}function g(){function a(d,f){var g=document.createElement("div");
+t||(t=d);g.innerText=d;g.dataset.type=escape(d);g.className="litegraph lite-search-item";f&&(g.className+=" "+f);g.addEventListener("click",function(a){b(unescape(this.dataset.type))});z.appendChild(g)}n=null;var d=u.value;t=null;z.innerHTML="";if(d)if(f.onSearchBox){var g=f.onSearchBox(z,d,c);if(g)for(var k=0;k<g.length;++k)a(g[k])}else{var g=0,d=d.toLowerCase(),p=c.filter||c.graph.filter;for(k in h.searchbox_extras){var s=h.searchbox_extras[k];if(-1!==s.desc.toLowerCase().indexOf(d)){var q=h.registered_node_types[s.type];
+if(!q||!q.filter||q.filter==p)if(a(s.desc,"searchbox_extra"),-1!==e.search_limit&&g++>e.search_limit)break}}s=null;if(Array.prototype.filter)s=Object.keys(h.registered_node_types).filter(l);else for(k in s=[],h.registered_node_types)l(k)&&s.push(k);for(k=0;k<s.length&&!(a(s[k]),-1!==e.search_limit&&g++>e.search_limit);k++);var l=function(a){var b=h.registered_node_types[a];return p&&b.filter!=p?!1:-1!==a.toLowerCase().indexOf(d)}}}var f=this,c=e.active_canvas,k=c.canvas,p=k.ownerDocument||document,
+q=document.createElement("div");q.className="litegraph litesearchbox graphdialog rounded";q.innerHTML="<span class='name'>Search</span> <input autofocus type='text' class='value rounded'/><div class='helper'></div>";q.close=function(){f.search_box=null;p.body.focus();p.body.style.overflow="";setTimeout(function(){f.canvas.focus()},20);q.parentNode&&q.parentNode.removeChild(q)};var l=null;1<this.ds.scale&&(q.style.transform="scale("+this.ds.scale+")");q.addEventListener("mouseenter",function(a){l&&
+(clearTimeout(l),l=null)});q.addEventListener("mouseleave",function(a){l=setTimeout(function(){q.close()},500)});f.search_box&&f.search_box.close();f.search_box=q;var z=q.querySelector(".helper"),t=null,n=null,y=null,u=q.querySelector("input");u&&(u.addEventListener("blur",function(a){this.focus()}),u.addEventListener("keydown",function(a){if(38==a.keyCode)d(!1);else if(40==a.keyCode)d(!0);else if(27==a.keyCode)q.close();else if(13==a.keyCode)y?b(y.innerHTML):t?b(t):q.close();else{n&&clearInterval(n);
+n=setTimeout(g,10);return}a.preventDefault();a.stopPropagation();a.stopImmediatePropagation();return!0}));p.fullscreenElement?p.fullscreenElement.appendChild(q):(p.body.appendChild(q),p.body.style.overflow="hidden");var k=k.getBoundingClientRect(),m=(a?a.clientY:k.top+0.5*k.height)-20;q.style.left=(a?a.clientX:k.left+0.5*k.width)-80+"px";q.style.top=m+"px";a.layerY>k.height-200&&(z.style.maxHeight=k.height-a.layerY-20+"px");u.focus();return q};e.prototype.showEditPropertyValue=function(a,b,d){function g(){f(t.value)}
+function f(f){"number"==typeof a.properties[b]&&(f=Number(f));if("array"==h||"object"==h)f=JSON.parse(f);a.properties[b]=f;a._graph&&a._graph._version++;if(a.onPropertyChanged)a.onPropertyChanged(b,f);if(d.onclose)d.onclose();e.close();a.setDirtyCanvas(!0,!0)}if(a&&void 0!==a.properties[b]){d=d||{};var c=a.getPropertyInfo(b),h=c.type,k="";if("string"==h||"number"==h||"array"==h||"object"==h)k="<input autofocus type='text' class='value'/>";else if("enum"==h&&c.values){var k="<select autofocus type='text' class='value'>",
+p;for(p in c.values)var q=c.values.constructor===Array?c.values[p]:p,k=k+("<option value='"+q+"' "+(q==a.properties[b]?"selected":"")+">"+c.values[p]+"</option>");k+="</select>"}else if("boolean"==h)k="<input autofocus type='checkbox' class='value' "+(a.properties[b]?"checked":"")+"/>";else{console.warn("unknown type: "+h);return}var e=this.createDialog("<span class='name'>"+b+"</span>"+k+"<button>OK</button>",d);if("enum"==h&&c.values){var t=e.querySelector("select");t.addEventListener("change",
+function(a){f(a.target.value)})}else if("boolean"==h)(t=e.querySelector("input"))&&t.addEventListener("click",function(a){f(!!t.checked)});else if(t=e.querySelector("input"))t.addEventListener("blur",function(a){this.focus()}),q=void 0!==a.properties[b]?a.properties[b]:"",q=JSON.stringify(q),t.value=q,t.addEventListener("keydown",function(a){13==a.keyCode&&(g(),a.preventDefault(),a.stopPropagation())});e.querySelector("button").addEventListener("click",g);return e}};e.prototype.createDialog=function(a,
+b){b=b||{};var d=document.createElement("div");d.className="graphdialog";d.innerHTML=a;var g=this.canvas.getBoundingClientRect(),f=-20,c=-20;g&&(f-=g.left,c-=g.top);b.position?(f+=b.position[0],c+=b.position[1]):b.event?(f+=b.event.clientX,c+=b.event.clientY):(f+=0.5*this.canvas.width,c+=0.5*this.canvas.height);d.style.left=f+"px";d.style.top=c+"px";this.canvas.parentNode.appendChild(d);d.close=function(){this.parentNode&&this.parentNode.removeChild(this)};return d};e.onMenuNodeCollapse=function(a,
+b,d,g,f){f.collapse()};e.onMenuNodePin=function(a,b,d,g,f){f.pin()};e.onMenuNodeMode=function(a,b,d,g,f){new h.ContextMenu(["Always","On Event","On Trigger","Never"],{event:d,callback:function(a){if(f)switch(a){case "On Event":f.mode=h.ON_EVENT;break;case "On Trigger":f.mode=h.ON_TRIGGER;break;case "Never":f.mode=h.NEVER;break;default:f.mode=h.ALWAYS}},parentMenu:g,node:f});return!1};e.onMenuNodeColors=function(a,b,d,g,f){if(!f)throw"no node for color";b=[];b.push({value:null,content:"<span style='display: block; padding-left: 4px;'>No color</span>"});
+for(var c in e.node_colors)a=e.node_colors[c],a={value:c,content:"<span style='display: block; color: #999; padding-left: 4px; border-left: 8px solid "+a.color+"; background-color:"+a.bgcolor+"'>"+c+"</span>"},b.push(a);new h.ContextMenu(b,{event:d,callback:function(a){f&&((a=a.value?e.node_colors[a.value]:null)?f.constructor===h.LGraphGroup?f.color=a.groupcolor:(f.color=a.color,f.bgcolor=a.bgcolor):(delete f.color,delete f.bgcolor),f.setDirtyCanvas(!0,!0))},parentMenu:g,node:f});return!1};e.onMenuNodeShapes=
+function(a,b,d,g,f){if(!f)throw"no node passed";new h.ContextMenu(h.VALID_SHAPES,{event:d,callback:function(a){f&&(f.shape=a,f.setDirtyCanvas(!0))},parentMenu:g,node:f});return!1};e.onMenuNodeRemove=function(a,b,d,g,f){if(!f)throw"no node passed";!1!==f.removable&&(f.graph.remove(f),f.setDirtyCanvas(!0,!0))};e.onMenuNodeClone=function(a,b,d,g,f){!1!=f.clonable&&(a=f.clone())&&(a.pos=[f.pos[0]+5,f.pos[1]+5],f.graph.add(a),f.setDirtyCanvas(!0,!0))};e.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"}};e.prototype.getCanvasMenuOptions=function(){var a=
+null;this.getMenuOptions?a=this.getMenuOptions():(a=[{content:"Add Node",has_submenu:!0,callback:e.onMenuAdd},{content:"Add Group",callback:e.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};e.prototype.getNodeMenuOptions=function(a){var b=null,b=a.getMenuOptions?a.getMenuOptions(this):[{content:"Inputs",has_submenu:!0,
+disabled:!0,callback:e.showMenuNodeOptionalInputs},{content:"Outputs",has_submenu:!0,disabled:!0,callback:e.showMenuNodeOptionalOutputs},null,{content:"Properties",has_submenu:!0,callback:e.onShowMenuNodeProperties},null,{content:"Title",callback:e.onShowPropertyEditor},{content:"Mode",has_submenu:!0,callback:e.onMenuNodeMode},{content:"Resize",callback:e.onResizeNode},{content:"Collapse",callback:e.onMenuNodeCollapse},{content:"Pin",callback:e.onMenuNodePin},{content:"Colors",has_submenu:!0,callback:e.onMenuNodeColors},
+{content:"Shapes",has_submenu:!0,callback:e.onMenuNodeShapes},null];if(a.onGetInputs){var d=a.onGetInputs();d&&d.length&&(b[0].disabled=!1)}a.onGetOutputs&&(d=a.onGetOutputs())&&d.length&&(b[1].disabled=!1);a.getExtraMenuOptions&&(d=a.getExtraMenuOptions(this))&&(d.push(null),b=d.concat(b));!1!==a.clonable&&b.push({content:"Clone",callback:e.onMenuNodeClone});!1!==a.removable&&b.push(null,{content:"Remove",callback:e.onMenuNodeRemove});if(a.graph&&a.graph.onGetNodeMenuOptions)a.graph.onGetNodeMenuOptions(b,
+a);return b};e.prototype.getGroupMenuOptions=function(a){return[{content:"Title",callback:e.onShowPropertyEditor},{content:"Color",has_submenu:!0,callback:e.onMenuNodeColors},{content:"Font size",property:"font_size",type:"Number",callback:e.onShowPropertyEditor},null,{content:"Remove",callback:e.onMenuNodeRemove}]};e.prototype.processContextMenu=function(a,b){var d=this,g=e.active_canvas.getCanvasWindow(),f=null,c={event:b,callback:function(b,f,g){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 c=b.input?a.getInputInfo(b.slot):a.getOutputInfo(b.slot),h=d.createDialog("<span class='name'>Name</span><input autofocus type='text'/><button>OK</button>",f),k=h.querySelector("input");k&&c&&(k.value=c.label||"");h.querySelector("button").addEventListener("click",function(a){k.value&&
+(c&&(c.label=k.value),d.setDirty(!0));h.close()})}},extra:a};a&&(c.title=a.type);var k=null;a&&(k=a.getSlotInPosition(b.canvasX,b.canvasY),e.active_node=a);if(k){f=[];k&&k.output&&k.output.links&&k.output.links.length&&f.push({content:"Disconnect Links",slot:k});var p=k.input||k.output;f.push(p.locked?"Cannot remove":{content:"Remove Slot",slot:k});f.push(p.nameLocked?"Cannot rename":{content:"Rename Slot",slot:k});c.title=(k.input?k.input.type:k.output.type)||"*";k.input&&k.input.type==h.ACTION&&
+(c.title="Action");k.output&&k.output.type==h.EVENT&&(c.title="Event")}else a?f=this.getNodeMenuOptions(a):(f=this.getCanvasMenuOptions(),(k=this.graph.getGroupOnPos(b.canvasX,b.canvasY))&&f.push(null,{content:"Edit Group",has_submenu:!0,submenu:{title:"Group",extra:k,options:this.getGroupMenuOptions(k)}}));f&&new h.ContextMenu(f,c,g)};"undefined"!=typeof window&&window.CanvasRenderingContext2D&&(window.CanvasRenderingContext2D.prototype.roundRect=function(a,b,d,g,f,c){void 0===f&&(f=5);void 0===
+c&&(c=f);this.moveTo(a+f,b);this.lineTo(a+d-f,b);this.quadraticCurveTo(a+d,b,a+d,b+f);this.lineTo(a+d,b+g-c);this.quadraticCurveTo(a+d,b+g,a+d-c,b+g);this.lineTo(a+c,b+g);this.quadraticCurveTo(a,b+g,a,b+g-c);this.lineTo(a,b+f);this.quadraticCurveTo(a,b,a+f,b)});h.compareObjects=function(a,b){for(var d in a)if(a[d]!=b[d])return!1;return!0};h.distance=C;h.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")+")"};h.isInsideRectangle=w;h.growBounding=function(a,b,d){b<a[0]?a[0]=b:b>a[2]&&(a[2]=b);d<a[1]?a[1]=d:d>a[3]&&(a[3]=d)};h.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};h.overlapBounding=u;h.hex2num=function(a){"#"==a.charAt(0)&&(a=a.slice(1));a=a.toUpperCase();for(var b=Array(3),d=0,g,f,c=0;6>c;c+=2)g="0123456789ABCDEF".indexOf(a.charAt(c)),f="0123456789ABCDEF".indexOf(a.charAt(c+1)),b[d]=16*g+f,d++;return b};
+h.num2hex=function(a){for(var b="#",d,g,f=0;3>f;f++)d=a[f]/16,g=a[f]%16,b+="0123456789ABCDEF".charAt(d)+"0123456789ABCDEF".charAt(g);return b};D.prototype.addItem=function(a,b,d){function g(a){var b=this.value;b&&b.has_submenu&&f.call(this,a)}function f(a){var b=this.value,f=!0;c.current_submenu&&c.current_submenu.close(a);if(d.callback){var g=d.callback.call(this,b,d,a,c,d.node);!0===g&&(f=!1)}if(b&&(b.callback&&!d.ignore_item_callbacks&&!0!==b.disabled&&(g=b.callback.call(this,b,d,a,c,d.extra),
+!0===g&&(f=!1)),b.submenu)){if(!b.submenu.options)throw"ContextMenu submenu needs options";new c.constructor(b.submenu.options,{callback:b.submenu.callback,event:a,parentMenu:c,ignore_item_callbacks:b.submenu.ignore_item_callbacks,title:b.submenu.title,extra:b.submenu.extra,autoopen:d.autoopen});f=!1}f&&!c.lock&&c.close()}var c=this;d=d||{};var h=document.createElement("div");h.className="litemenu-entry submenu";var k=!1;if(null===b)h.classList.add("separator");else{h.innerHTML=b&&b.title?b.title:
+a;if(h.value=b)b.disabled&&(k=!0,h.classList.add("disabled")),(b.submenu||b.has_submenu)&&h.classList.add("has_submenu");"function"==typeof b?(h.dataset.value=a,h.onclick_callback=b):h.dataset.value=b;b.className&&(h.className+=" "+b.className)}this.root.appendChild(h);k||h.addEventListener("click",f);d.autoopen&&h.addEventListener("mouseenter",g);return h};D.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&&!D.isCursorOverElement(a,this.parentMenu.root)&&D.trigger(this.parentMenu.root,"mouseleave",a));this.current_submenu&&this.current_submenu.close(a,!0);this.root.closing_timer&&clearTimeout(this.root.closing_timer)};D.trigger=function(a,b,d,g){var f=document.createEvent("CustomEvent");f.initCustomEvent(b,!0,!0,d);f.srcElement=g;a.dispatchEvent?a.dispatchEvent(f):a.__events&&a.__events.dispatchEvent(f);return f};D.prototype.getTopMenu=
+function(){return this.options.parentMenu?this.options.parentMenu.getTopMenu():this};D.prototype.getFirstEvent=function(){return this.options.parentMenu?this.options.parentMenu.getFirstEvent():this.options.event};D.isCursorOverElement=function(a,b){var d=a.clientX,g=a.clientY,f=b.getBoundingClientRect();return f?g>f.top&&g<f.top+f.height&&d>f.left&&d<f.left+f.width?!0:!1:!1};h.ContextMenu=D;h.closeAllContextMenus=function(a){a=a||window;a=a.document.querySelectorAll(".litecontextmenu");if(a.length){for(var b=
+[],d=0;d<a.length;d++)b.push(a[d]);for(d in b)b[d].close?b[d].close():b[d].parentNode&&b[d].parentNode.removeChild(b[d])}};h.extendClass=function(a,b){for(var d in b)a.hasOwnProperty(d)||(a[d]=b[d]);if(b.prototype)for(d in b.prototype)b.prototype.hasOwnProperty(d)&&!a.prototype.hasOwnProperty(d)&&(b.prototype.__lookupGetter__(d)?a.prototype.__defineGetter__(d,b.prototype.__lookupGetter__(d)):a.prototype[d]=b.prototype[d],b.prototype.__lookupSetter__(d)&&a.prototype.__defineSetter__(d,b.prototype.__lookupSetter__(d)))};
+A.sampleCurve=function(a,b){if(b){for(var d=0;d<b.length-1;++d){var g=b[d],f=b[d+1];if(!(f[0]<a)){d=f[0]-g[0];if(1E-5>Math.abs(d))return g[1];d=(a-g[0])/d;return g[1]*(1-d)+f[1]*d}}return 0}};A.prototype.draw=function(a,b,d,g,f,c){if(d=this.points){this.size=b;var h=b[0]-2*this.margin;b=b[1]-2*this.margin;f=f||"#666";a.save();a.translate(this.margin,this.margin);g&&(a.fillStyle="#111",a.fillRect(0,0,h,b),a.fillStyle="#222",a.fillRect(0.5*h,0,1,b),a.strokeStyle="#333",a.strokeRect(0,0,h,b));a.strokeStyle=
+f;c&&(a.globalAlpha=0.5);a.beginPath();for(g=0;g<d.length;++g)f=d[g],a.lineTo(f[0]*h,(1-f[1])*b);a.stroke();a.globalAlpha=1;if(!c)for(g=0;g<d.length;++g)f=d[g],a.fillStyle=this.selected==g?"#FFF":this.nearest==g?"#DDD":"#AAA",a.beginPath(),a.arc(f[0]*h,(1-f[1])*b,2,0,2*Math.PI),a.fill();a.restore()}};A.prototype.onMouseDown=function(a,b){var d=this.points;if(d&&!(0>a[1])){var g=this.size[0]-2*this.margin,f=this.size[1]-2*this.margin,c=a[0]-this.margin,h=a[1]-this.margin;this.selected=this.getCloserPoint([c,
+h],30/b.ds.scale);-1==this.selected&&(g=[c/g,1-h/f],d.push(g),d.sort(function(a,b){return a[0]-b[0]}),this.selected=d.indexOf(g),this.must_update=!0);if(-1!=this.selected)return!0}};A.prototype.onMouseMove=function(a,b){var d=this.points;if(d){var g=this.selected;if(!(0>g)){var f=(a[0]-this.margin)/(this.size[0]-2*this.margin),c=(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);var h=d[g];if(h){var k=0==g||g==d.length-
+1;!k&&(-10>a[0]||a[0]>this.size[0]+10||-10>a[1]||a[1]>this.size[1]+10)?(d.splice(g,1),this.selected=-1):(h[0]=k?0==g?0:1:Math.clamp(f,0,1),h[1]=1-Math.clamp(c,0,1),d.sort(function(a,b){return a[0]-b[0]}),this.selected=d.indexOf(h),this.must_update=!0)}}}};A.prototype.onMouseUp=function(a,b){this.selected=-1;return!1};A.prototype.getCloserPoint=function(a,b){var d=this.points;if(!d)return-1;b=b||30;for(var g=this.size[0]-2*this.margin,f=this.size[1]-2*this.margin,c=d.length,h=[0,0],k=1E6,p=-1,q=0;q<
+c;++q){var e=d[q];h[0]=e[0]*g;h[1]=(1-e[1])*f;e=vec2.distance(a,h);e>k||e>b||(p=q,k=e)}return p};h.CurveEditor=A;h.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,d){return b>a?b:d<a?d:a};"undefined"==typeof window||window.requestAnimationFrame||(window.requestAnimationFrame=window.webkitRequestAnimationFrame||
+window.mozRequestAnimationFrame||function(a){window.setTimeout(a,1E3/60)})})(this);"undefined"!=typeof exports&&(exports.LiteGraph=this.LiteGraph);
 (function(B){function c(){this.addOutput("in ms","number");this.addOutput("in sec","number")}function m(){this.size=[140,80];this.properties={enabled:!0};this.enabled=!0;this.subgraph=new g.LGraph;this.subgraph._subgraph_node=this;this.subgraph._is_subgraph=!0;this.subgraph.onTrigger=this.onSubgraphTrigger.bind(this);this.subgraph.onInputAdded=this.onSubgraphNewInput.bind(this);this.subgraph.onInputRenamed=this.onSubgraphRenamedInput.bind(this);this.subgraph.onInputTypeChanged=this.onSubgraphTypeChangeInput.bind(this);
 this.subgraph.onInputRemoved=this.onSubgraphRemovedInput.bind(this);this.subgraph.onOutputAdded=this.onSubgraphNewOutput.bind(this);this.subgraph.onOutputRenamed=this.onSubgraphRenamedOutput.bind(this);this.subgraph.onOutputTypeChanged=this.onSubgraphTypeChangeOutput.bind(this);this.subgraph.onOutputRemoved=this.onSubgraphRemovedOutput.bind(this)}function n(){this.addOutput("","number");this.name_in_graph="";this.properties={name:"",type:"number",value:0};var a=this;this.name_widget=this.addWidget("text",
 "Name",this.properties.name,function(b){b&&a.setProperty("name",b)});this.type_widget=this.addWidget("text","Type",this.properties.type,function(b){a.setProperty("type",b)});this.value_widget=this.addWidget("number","Value",this.properties.value,function(b){a.setProperty("value",b)});this.widgets_up=!0;this.size=[180,90]}function l(){this.addInput("","");this.name_in_graph="";this.properties={};var a=this;Object.defineProperty(this.properties,"name",{get:function(){return a.name_in_graph},set:function(b){""!=
diff --git a/src/litegraph.js b/src/litegraph.js
index 12193f7a2c..0c97422a3a 100755
--- a/src/litegraph.js
+++ b/src/litegraph.js
@@ -5579,6 +5579,10 @@ LGraphNode.prototype.executeAction = function(action)
                     this.resizing_node.size[0] = LiteGraph.NODE_MIN_WIDTH;
                 }
 
+		        if (this.resizing_node.onResize) {
+		            this.resizing_node.onResize(this.resizing_node.size);
+				}
+
                 this.canvas.style.cursor = "se-resize";
                 this.dirty_canvas = true;
                 this.dirty_bgcanvas = true;
@@ -10537,11 +10541,13 @@ LGraphNode.prototype.executeAction = function(action)
 
             var body_rect = document.body.getBoundingClientRect();
             var root_rect = root.getBoundingClientRect();
+			if(body_rect.height == 0)
+				console.error("document.body height is 0. That is dangerous, set html,body { height: 100%; }");
 
-            if (left > body_rect.width - root_rect.width - 10) {
+            if (body_rect.width && left > body_rect.width - root_rect.width - 10) {
                 left = body_rect.width - root_rect.width - 10;
             }
-            if (top > body_rect.height - root_rect.height - 10) {
+            if (body_rect.height && top > body_rect.height - root_rect.height - 10) {
                 top = body_rect.height - root_rect.height - 10;
             }
         }