Adding vertex normal input node

MaterialGraphProject/Assets/Eduardo/VertexNormalNode.cs

+using UnityEngine.Graphing;
+
+namespace UnityEngine.MaterialGraph
+{
+    [Title("Input/Geometry/Vertex Normal")]
+    public class VertexNormalNode : AbstractMaterialNode
+    {
+        private const string kOutputSlotName = "XYZW";
+        private const string kOutputSlotNameXYZ = "XYZ";
+        private const string kOutputSlotNameX = "X";
+        private const string kOutputSlotNameY = "Y";
+        private const string kOutputSlotNameZ = "Z";
+        private const string kOutputSlotNameW = "W";
+
+        public const int OutputSlotId = 0;
+        public const int OutputSlotIdXYZ = 1;
+        public const int OutputSlotIdX = 2;
+        public const int OutputSlotIdY = 3;
+        public const int OutputSlotIdZ = 4;
+        public const int OutputSlotIdW = 5;
+
+        public VertexNormalNode()
+        {
+            name = "VertexNormal";
+            UpdateNodeAfterDeserialization();
+        }
+
+        public sealed override void UpdateNodeAfterDeserialization()
+        {
+            AddSlot(new MaterialSlot(OutputSlotId, kOutputSlotName, kOutputSlotName, SlotType.Output, SlotValueType.Vector4, Vector4.zero));
+            AddSlot(new MaterialSlot(OutputSlotIdXYZ, kOutputSlotNameXYZ, kOutputSlotNameXYZ, SlotType.Output, SlotValueType.Vector3, Vector4.zero));
+            AddSlot(new MaterialSlot(OutputSlotIdX, kOutputSlotNameX, kOutputSlotNameX, SlotType.Output, SlotValueType.Vector1, Vector4.zero));
+            AddSlot(new MaterialSlot(OutputSlotIdY, kOutputSlotNameY, kOutputSlotNameY, SlotType.Output, SlotValueType.Vector1, Vector4.zero));
+            AddSlot(new MaterialSlot(OutputSlotIdZ, kOutputSlotNameZ, kOutputSlotNameZ, SlotType.Output, SlotValueType.Vector1, Vector4.zero));
+            AddSlot(new MaterialSlot(OutputSlotIdW, kOutputSlotNameW, kOutputSlotNameW, SlotType.Output, SlotValueType.Vector1, Vector4.zero));
+
+            RemoveSlotsNameNotMatching(validSlots);
+        }
+
+        protected int[] validSlots
+        {
+            get { return new[] { OutputSlotId, OutputSlotIdXYZ, OutputSlotIdX, OutputSlotIdY, OutputSlotIdZ, OutputSlotIdW }; }
+        }
+
+        public override string GetVariableNameForSlot(int slotId)
+        {
+            switch (slotId)
+            {
+                case OutputSlotIdXYZ:
+                    return "v.normal.xyz";
+                case OutputSlotIdX:
+                    return "v.normal.x";
+                case OutputSlotIdY:
+                    return "v.normal.y";
+                case OutputSlotIdZ:
+                    return "v.normal.z";
+                case OutputSlotIdW:
+                    return "v.normal.w";
+                default:
+                    return "v.normal";
+            }
+        }
+    }
+}

MaterialGraphProject/Assets/Eduardo/VertexNormalNode.cs.meta

+fileFormatVersion: 2
+guid: c5532eff58cce43468e6f88386d8ac1c
+timeCreated: 1495660146
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: