lots of updates

funnyassets/shaders/flat.shader

@@ -1,17 +1,4 @@
-#define COMMON using namespace Common; namespace Common
-
-#ifdef VS_SHADER
-#define VS using namespace VertexShader; namespace VertexShader 
-#else
-#define VS namespace VertexShader_DO_NOT_USE
-#endif
-
-#ifdef PS_SHADER
-#define PS using namespace PixelShader; namespace PixelShader 
-#else
-#define PS namespace PixelShader_DO_NOT_USE
-#endif
-
+#include "macros.hlsl"
 COMMON
 {