Fix missing lightmap uvs calc in vertex shader

Content/Editor/MaterialTemplates/Features/Lightmap.hlsl

@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
 
 @0// Lightmap: Defines
+#define CAN_USE_LIGHTMAP 1
 @1// Lightmap: Includes
 @2// Lightmap: Constants
 float4 LightmapArea;

Content/Editor/MaterialTemplates/Surface.shader

@@ -350,7 +350,7 @@ VertexOutput VS(ModelInput input)
 	output.Geometry.LightmapUV = input.LightmapUV * input.InstanceLightmapArea.zw + input.InstanceLightmapArea.xy;
 	output.Geometry.InstanceParams = float2(input.InstanceOrigin.w, input.InstanceTransform1.w);
 #else
-#if USE_LIGHTMAP
+#if CAN_USE_LIGHTMAP
 	output.Geometry.LightmapUV = input.LightmapUV * LightmapArea.zw + LightmapArea.xy;
 #else
 	output.Geometry.LightmapUV = input.LightmapUV;

Source/Engine/Graphics/Materials/MaterialShader.h

@@ -9,7 +9,7 @@
 /// <summary>
 /// Current materials shader version.
 /// </summary>
-#define MATERIAL_GRAPH_VERSION 147
+#define MATERIAL_GRAPH_VERSION 148
 
 class Material;
 class GPUShader;