Fixes for Depth Texture and Normals Texture Nodes

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Nodes/Input/Scene/DepthTextureNode.cs

     };
 
     [Title("Input/Scene/Depth Texture")]
-    public class DepthTextureNode : AbstractMaterialNode, IGenerateProperties, IMayRequireScreenPosition
+    public class DepthTextureNode : AbstractMaterialNode, IGenerateProperties, IGeneratesBodyCode, IMayRequireScreenPosition
     {
         const string kUVSlotName = "UV";
         const string kOutputSlotName = "Out";
             });
         }
 
-        public override string GetVariableNameForSlot(int slotId)
+        public void GenerateNodeCode(ShaderGenerator visitor, GenerationMode generationMode)
+            string uvValue = GetSlotValue(UVSlotId, generationMode);
+            string outputValue = GetSlotValue(OutputSlotId, generationMode);
+            string methodName = "";
-                    return "Linear01Depth(tex2Dproj(_CameraDepthTexture, UNITY_PROJ_COORD(" + GetSlotValue(UVSlotId, GenerationMode.Preview) + ")).r)";
+                    methodName = "Linear01Depth";
+                    break;
-                    return "LinearEyeDepth(tex2Dproj(_CameraDepthTexture, UNITY_PROJ_COORD(" + GetSlotValue(UVSlotId, GenerationMode.Preview) + ")).r)";
+                    methodName = "LinearEyeDepth";
+                    break;
+            visitor.AddShaderChunk(string.Format("{0} _DepthTexture = {1}(tex2Dproj(_CameraDepthTexture, UNITY_PROJ_COORD({2})).r);", precision, methodName, uvValue), true);
+            visitor.AddShaderChunk(string.Format("{0} {1} = _DepthTexture;", ConvertConcreteSlotValueTypeToString(precision, FindOutputSlot<MaterialSlot>(OutputSlotId).concreteValueType), GetVariableNameForSlot(OutputSlotId)), true);
         }
 
         public bool RequiresScreenPosition()

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Data/Nodes/Input/Scene/NormalsTextureNode.cs

             });
         }
 
-        /*public override string GetVariableNameForSlot(int slotId)
-        {
-            return "";
-        }*/
-
         string GetFunctionPrototype(string argIn, string argOut)
         {
             return string.Format("void {0} ({1}4 {2}, out {3} {4})", GetFunctionName(),
             string uvValue = GetSlotValue(UVSlotId, generationMode);
             string outputValue = GetSlotValue(OutputSlotId, generationMode);
             visitor.AddShaderChunk(string.Format("{0}4 _DepthNormalsTexture = tex2D(_CameraDepthNormalsTexture, {1});", precision, uvValue), true);
-            //visitor.AddShaderChunk(string.Format("{0}4 _DepthNormalsTexture = UNITY_SAMPLE_TEX2D(_CameraDepthNormalsTexture, {1});", precision, uvValue), true);
             visitor.AddShaderChunk(string.Format("{0} {1};", ConvertConcreteSlotValueTypeToString(precision, FindOutputSlot<MaterialSlot>(OutputSlotId).concreteValueType), GetVariableNameForSlot(OutputSlotId)), true);
             visitor.AddShaderChunk(GetFunctionCallBody("_DepthNormalsTexture", outputValue), true);
             visitor.AddShaderChunk(string.Format("{1} = {1} * {0}3(1.0, 1.0, -1.0);", precision, GetVariableNameForSlot(OutputSlotId)), true);