Tooltip shows static output values

Example/ExampleNodeGraph.asset

@@ -57,9 +57,9 @@ MonoBehaviour:
         node: {fileID: 114708853913061688}
       _direction: 1
       _dynamic: 0
-  a: 3.06
-  b: 7.29
-  result: 0
+  a: 6.48
+  b: 7.59
+  result: 14.07
   mathType: 0
 --- !u!114 &114708853913061688
 MonoBehaviour:
@@ -116,7 +116,7 @@ MonoBehaviour:
   x: 0
   y: 2.6412349
   z: 14.33477
-  vector: {x: 0, y: 0, z: 0}
+  vector: {x: 14.07, y: 2.6412349, z: 14.33477}
 --- !u!114 &114729867621534192
 MonoBehaviour:
   m_ObjectHideFlags: 0

Example/Nodes/MathNode.cs

@@ -21,14 +21,15 @@ namespace BasicNodes {
             float b = GetInputValue<float>("b", this.b);
 
             // After you've gotten your input values, you can perform your calculations and return a value
+            result = 0f;
             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;
+                    case MathType.Add: default: result = a+b; break;
+                    case MathType.Subtract: result = a - b; break;
+                    case MathType.Multiply: result = a * b; break;
+                    case MathType.Divide: result = a / b; break;
                 }
-            else return 0f;
+            return result;
         }
     }
 }

Example/Nodes/Vector.cs

@@ -7,10 +7,10 @@ namespace BasicNodes {
         [Output] public Vector3 vector;
 
         public override object GetValue(NodePort port) {
-            float x = GetInputValue<float>("x", this.x);
-            float y = GetInputValue<float>("y", this.y);
-            float z = GetInputValue<float>("z", this.z);
-            return new Vector3(x, y, z);
+            vector.x = GetInputValue<float>("x", this.x);
+            vector.y = GetInputValue<float>("y", this.y);
+            vector.z = GetInputValue<float>("z", this.z);
+            return vector;
         }
     }
 }

Scripts/Editor/NodeEditorGUI.cs

@@ -243,6 +243,7 @@ namespace XNodeEditor {
                 Type type = hoveredPort.ValueType;
                 GUIContent content = new GUIContent();
                 content.text = TypeToString(type);
+                if (hoveredPort.IsStatic && hoveredPort.IsOutput) content.text += " = " + ObjectFromFieldName(hoveredPort.node, hoveredPort.fieldName).ToString();
                 Vector2 size = NodeEditorResources.styles.tooltip.CalcSize(content);
                 Rect rect = new Rect(Event.current.mousePosition - (size), size);
                 EditorGUI.LabelField(rect, content, NodeEditorResources.styles.tooltip);
@@ -252,6 +253,7 @@ namespace XNodeEditor {
 
         private string TypeToString(Type type) {
             if (type == null) return "null";
+            if (type == typeof(System.Object)) return "object";
             if (type == typeof(float)) return "float";
             else if (type == typeof(int)) return "int";
             else if (type == typeof(long)) return "long";

Scripts/Editor/NodeEditorReflection.cs

@@ -48,5 +48,11 @@ namespace XNodeEditor {
         public static object ObjectFromType(Type type) {
             return Activator.CreateInstance(type);
         }
+
+        public static object ObjectFromFieldName(object obj, string fieldName) {
+            Type type = obj.GetType();
+            FieldInfo fieldInfo = type.GetField(fieldName);
+            return fieldInfo.GetValue(obj);
+        }
     }
 }