Runtime Node Editor

Example

publicclassExampleNodeEditor:NodeEditor{publicoverridevoidStartEditor(NodeGraphgraph){base.StartEditor(graph);//  make your custom initialization here}}

publicclassApplicationStartup:MonoBehaviour{publicRectTransformeditorHolder;publicExampleNodeEditoreditor;//  asigned in unity from hierarchyprivatevoidStart(){vargraph=editor.CreateGraph<NodeGraph>(editorHolder);// var graph = editor.CreateGraph<NodeGraph>(editorHolder, bgColor, connColor);editor.StartEditor(graph);}}

publicclassApplicationStartup:MonoBehaviour{publicRectTransformeditorHolder;publicExampleNodeEditoreditor;privatevoidStart(){editor.StartEditor(graph);}}

publicclassExampleNodeEditor:NodeEditor{privatestring_savePath;publicoverridevoidStartEditor(NodeGraphgraph){base.StartEditor(graph);_savePath=Application.dataPath+"/Example/Resources/graph.json";Events.OnGraphPointerClickEvent+=OnGraphPointerClick;Events.OnGraphPointerDragEvent+=OnGraphPointerDrag;Events.OnNodePointerClickEvent+=OnNodePointerClick;Events.OnConnectionPointerClickEvent+=OnNodeConnectionPointerClick;}}

protectedoverridevoidOnGraphPointerClick(PointerEventDataeventData){switch(eventData.button){casePointerEventData.InputButton.Right:{varctx=newContextMenuBuilder().Add("nodes/float",CreateFloatNode).Add("nodes/math op",CreateMatOpNode).Add("graph/load",()=>LoadGraph(_savePath)).Add("graph/save",()=>SaveGraph(_savePath)).Build();SetContextMenu(ctx);DisplayContextMenu();}break;casePointerEventData.InputButton.Left:CloseContextMenu();break;}}

protectedoverridevoidOnNodePointerClick(Nodenode,PointerEventDataeventData){if(eventData.button==PointerEventData.InputButton.Right){varctx=newContextMenuBuilder().Add("duplicate",()=>DuplicateNode(node)).Add("clear connections",()=>ClearConnections(node)).Add("delete",()=>DeleteNode(node)).Build();SetContextMenu(ctx);DisplayContextMenu();}}

protectedoverridevoidOnNodeConnectionPointerClick(stringconnId,PointerEventDataeventData){if(eventData.button==PointerEventData.InputButton.Right){varctx=newContextMenuBuilder().Add("clear connection",()=>DisconnectConnection(connId)).Build();SetContextMenu(ctx);DisplayContextMenu();}}

publicclassMyAwesomeNode:Node{publicTMP_InputFieldvalueField;//  added from editorpublicSocketOutputoutputSocket;//  added from editorpublicSocketInputinputSocket;//  added from editorpublicoverridevoidSetup(){Register(outputSocket);Register(inputSocket);SetHeader("float");}publicoverridevoidOnSerialize(Serializerserializer){//  save values on graph saveserializer.Add("floatValue",valueField.text);//  it would be good idea to use JsonUtility for complex data}publicoverridevoidOnDeserialize(Serializerserializer){//  load values on graph loadvarvalue=serializer.Get("floatValue");valueField.SetTextWithoutNotify(value);}}

//  context item actionsprivatevoidCreateMyNode(){graph.Create("Prefabs/Nodes/MyAwesomeNode");//  your prefab path in resources}

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