Updated examples

Example/ExampleNodeGraph.asset

@@ -12,9 +12,11 @@ MonoBehaviour:
   m_Name: ExampleNodeGraph
   m_EditorClassIdentifier: 
   nodes:
-  - {fileID: 114253037537709940}
-  - {fileID: 114976558807377558}
---- !u!114 &114253037537709940
+  - {fileID: 114386305456729202}
+  - {fileID: 114862693020615806}
+  - {fileID: 114245132648392102}
+  - {fileID: 114602227203521556}
+--- !u!114 &114245132648392102
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
@@ -23,31 +25,33 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 22e05e2a1f5ad7645850d52212143629, type: 3}
-  m_Name: Math
+  m_Name: MathNode
   m_EditorClassIdentifier: 
   graph: {fileID: 11400000}
-  position: {x: 0, y: 0}
+  position: {x: -429.5, y: -110.5}
   inputs:
-  - node: {fileID: 114253037537709940}
+  - node: {fileID: 114245132648392102}
     _fieldName: a
     connections: []
     _direction: 0
-  - node: {fileID: 114253037537709940}
+  - node: {fileID: 114245132648392102}
     _fieldName: b
     connections: []
     _direction: 0
   outputs:
-  - node: {fileID: 114253037537709940}
+  - node: {fileID: 114245132648392102}
     _fieldName: result
     connections:
-    - fieldName: myFloat
-      node: {fileID: 114976558807377558}
+    - fieldName: a
+      node: {fileID: 114862693020615806}
+    - fieldName: value
+      node: {fileID: 114602227203521556}
     _direction: 1
-  a: 5.1719556
-  b: 2.0752559
+  a: 4.771955
+  b: 8.313191
   result: 0
   mathType: 0
---- !u!114 &114976558807377558
+--- !u!114 &114386305456729202
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
@@ -55,62 +59,74 @@ MonoBehaviour:
   m_GameObject: {fileID: 0}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 47bfd6281f41a10459bcb45bb4cd03f3, type: 3}
-  m_Name: TestNode
+  m_Script: {fileID: 11500000, guid: 98f6f901f0da53142b79277ea3f42518, type: 3}
+  m_Name: DisplayValue
   m_EditorClassIdentifier: 
   graph: {fileID: 11400000}
-  position: {x: 271, y: -57}
+  position: {x: 23.5, y: -98.5}
   inputs:
-  - node: {fileID: 114976558807377558}
-    _fieldName: myString
-    connections: []
-    _direction: 0
-  - node: {fileID: 114976558807377558}
-    _fieldName: myVec2
-    connections: []
-    _direction: 0
-  - node: {fileID: 114976558807377558}
-    _fieldName: myVec3
-    connections: []
-    _direction: 0
-  - node: {fileID: 114976558807377558}
-    _fieldName: myFloat
+  - node: {fileID: 114386305456729202}
+    _fieldName: value
     connections:
     - fieldName: result
-      node: {fileID: 114253037537709940}
+      node: {fileID: 114862693020615806}
     _direction: 0
   outputs: []
-  myInt: 0
-  myFloat: 0
-  myDouble: 0
-  myLong: 0
-  myBool: 0
-  myString: 
-  myRect:
-    serializedVersion: 2
-    x: 0
-    y: 0
-    width: 0
-    height: 0
-  myVec2: {x: 0, y: 0}
-  myVec3: {x: 0, y: 0, z: 0}
-  myVec4: {x: 0, y: 0, z: 0, w: 0}
-  myColor: {r: 0.25383312, g: 0.44852942, b: 0.628, a: 0.641}
-  myCurve:
-    serializedVersion: 2
-    m_Curve:
-    - serializedVersion: 2
-      time: 0
-      value: 0
-      inSlope: 0
-      outSlope: 0
-      tangentMode: 0
-    - serializedVersion: 2
-      time: 1
-      value: 1
-      inSlope: 2
-      outSlope: 2
-      tangentMode: 0
-    m_PreInfinity: 2
-    m_PostInfinity: 2
-    m_RotationOrder: 4
+  value: 4.01703
+--- !u!114 &114602227203521556
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 98f6f901f0da53142b79277ea3f42518, type: 3}
+  m_Name: DisplayValue
+  m_EditorClassIdentifier: 
+  graph: {fileID: 11400000}
+  position: {x: -194.5, y: -140.5}
+  inputs:
+  - node: {fileID: 114602227203521556}
+    _fieldName: value
+    connections:
+    - fieldName: result
+      node: {fileID: 114245132648392102}
+    _direction: 0
+  outputs: []
+  value: 0
+--- !u!114 &114862693020615806
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 22e05e2a1f5ad7645850d52212143629, type: 3}
+  m_Name: MathNode
+  m_EditorClassIdentifier: 
+  graph: {fileID: 11400000}
+  position: {x: -196.5, y: -45.5}
+  inputs:
+  - node: {fileID: 114862693020615806}
+    _fieldName: a
+    connections:
+    - fieldName: result
+      node: {fileID: 114245132648392102}
+    _direction: 0
+  - node: {fileID: 114862693020615806}
+    _fieldName: b
+    connections: []
+    _direction: 0
+  outputs:
+  - node: {fileID: 114862693020615806}
+    _fieldName: result
+    connections:
+    - fieldName: value
+      node: {fileID: 114386305456729202}
+    _direction: 1
+  a: 8.142139
+  b: 3.53361
+  result: 0
+  mathType: 1

Example/Nodes/DisplayValue.cs

@@ -1,6 +1,9 @@
-using UnityEngine;
-
-public class DisplayValue : ExampleNodeBase {
-    [Input] public float value;
+namespace ExampleNodes {
+    public class DisplayValue : Node {
+        [Input] public float value;
 
+        public float GetValue() {
+            return GetInputByFieldName<float>("value", value);
+        }
+    }
 }

Example/Nodes/Editor/DisplayValueEditor.cs

@@ -3,16 +3,18 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEditor;
 
-[CustomNodeEditor(typeof(DisplayValue), "Display Value")]
-public class DisplayValueEditor : NodeEditor {
+namespace ExampleNodes {
+    [CustomNodeEditor(typeof(ExampleNodes.DisplayValue), "ExampleNodes/Display Value")]
+    public class DisplayValueEditor : NodeEditor {
 
-    protected override void OnBodyGUI(out Dictionary<NodePort, Vector2> portPositions) {
-        base.OnBodyGUI(out portPositions);
-        EditorGUILayout.LabelField("Value: " + GetResult());
-    }
+        protected override void OnBodyGUI(out Dictionary<NodePort, Vector2> portPositions) {
+            base.OnBodyGUI(out portPositions);
+            EditorGUILayout.LabelField(GetResult().ToString());
+        }
 
-    public float GetResult() {
-        ExampleNodeBase t = target as ExampleNodeBase;
-        return t.GetInputFloat("value");
+        public float GetResult() {
+            DisplayValue t = target as DisplayValue;
+            return t.GetValue();
+        }
     }
 }

Example/Nodes/Editor/MathNodeEditor.cs

@@ -1,4 +0,0 @@
-[CustomNodeEditor(typeof(MathNode), "Math")]
-public class AddNodeEditor : NodeEditor {
-
-}

Example/Nodes/Editor/MathNodeEditor.cs.meta

@@ -1,12 +0,0 @@
-fileFormatVersion: 2
-guid: c4cc83d08877562419d86874dd3587e2
-timeCreated: 1505987983
-licenseType: Free
-MonoImporter:
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Example/Nodes/ExampleNodeBase.cs

@@ -1,22 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-
-public abstract class ExampleNodeBase : Node {
-
-	public float GetInputFloat(string fieldName) {
-		float result = 0f;
-        NodePort port = GetInputByFieldName(fieldName);
-        if (port == null) return result;
-        int connectionCount = port.ConnectionCount;
-        for (int i = 0; i < connectionCount; i++) {
-            NodePort connection = port.GetConnection(i);
-            if (connection == null) continue;
-            object obj = connection.GetOutputValue();
-            if (obj == null) continue;
-            if (connection.type == typeof(int)) result += (int)obj;
-            else if (connection.type == typeof(float)) result += (float)obj;
-        }
-        return result;
-	}
-}

Example/Nodes/ExampleNodeBase.cs.meta

@@ -1,12 +0,0 @@
-fileFormatVersion: 2
-guid: 923bada49e668fd4a98b04fcb49999d7
-timeCreated: 1507917099
-licenseType: Free
-MonoImporter:
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
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Example/Nodes/MathNode.cs

@@ -1,31 +1,32 @@
-using UnityEngine;
+namespace ExampleNodes {
+    [System.Serializable]
+    public class MathNode : Node {
+        // Adding [Input] or [Output] is all you need to do to register a field as a valid port on your node 
+        [Input] public float a;
+        [Input] public float b;
+        // The value of an output node field is not used for anything, but could be used for caching output results
+        [Output] public float result;
 
-[System.Serializable]
-public class MathNode : ExampleNodeBase {
-    [Input] public float a;
-    [Input] public float b;
-    [Output] public float result;
-    public enum MathType { Add, Subtract, Multiply, Divide}
-    public MathType mathType = MathType.Add;
+        // UNEC will display this as an editable field - just like the normal inspector would
+        public MathType mathType = MathType.Add;
+        public enum MathType { Add, Subtract, Multiply, Divide }
 
-    protected override void Init() {
-        name = "Math";
-    }
+        // GetValue should be overridden to return a value for any specified output port
+        public override object GetValue(NodePort port) {
 
-    public override object GetValue(NodePort port) {
-        float a = GetInputFloat("a");
-        float b = GetInputFloat("b");
-        
-        switch(port.fieldName) {
-            case "result":
-                switch(mathType) {
-                    case MathType.Add: return a + b;
+            // Get new a and b values from input connections. Fallback to field values if input is not connected
+            float a = GetInputByFieldName<float>("a", this.a);
+            float b = GetInputByFieldName<float>("b", this.b);
+
+            // After you've gotten your input values, you can perform your calculations and return a value
+            if (port.fieldName == "result")
+                switch (mathType) {
+                    case MathType.Add: default: return a + b;
                     case MathType.Subtract: return a - b;
                     case MathType.Multiply: return a * b;
                     case MathType.Divide: return a / b;
                 }
-                break;
+            else return 0f;
         }
-        return 0f;
     }
-}
+}

Example/Nodes/TestNode.cs

@@ -1,19 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-
-public class TestNode : Node {
-
-	public int myInt;
-	[Input] public float myFloat;
-	public double myDouble;
-	public long myLong;
-	public bool myBool;
-	[Input] public string myString;
-	public Rect myRect;
-	[Input] public Vector2 myVec2;
-	[Input] public Vector3 myVec3;
-	public Vector4 myVec4;
-	public Color myColor;
-	public AnimationCurve myCurve;
-}

Example/Nodes/TestNode.cs.meta

@@ -1,12 +0,0 @@
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-guid: 47bfd6281f41a10459bcb45bb4cd03f3
-timeCreated: 1507990362
-licenseType: Free
-MonoImporter:
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
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