Moved a SceneKey unused in the importer into an ifdef for exporter-only variables

Author: kyaoNV

Framework/Source/Graphics/Scene/SceneExportImportCommon.h

@@ -48,6 +48,12 @@ namespace Falcor
         static const char* kAmbientIntensity = "ambient_intensity";
 #endif
 
+        // Values currently only used in the exporter
+#ifdef SCENE_EXPORTER
+        // Default values ignored by importer
+        static const char* kShadingMetalRough = "metal_rough";
+#endif
+
         static const char* kVersion = "version";
         static const char* kCameraSpeed = "camera_speed";
         static const char* kActiveCamera = "active_camera";
@@ -92,7 +98,6 @@ namespace Falcor
 
         static const char* kMaterial = "material";
         static const char* kShadingModel = "shading_model";
-        static const char* kShadingMetalRough = "metal_rough";
         static const char* kShadingSpecGloss = "spec_gloss";
 
         static const char* kUserDefined = "user_defined";

Framework/Source/Graphics/Scene/SceneExporter.cpp

@@ -35,6 +35,7 @@
 #include "Utils/Platform/OS.h"
 #include "Graphics/Scene/Editor/SceneEditor.h"
 
+#define SCENE_EXPORTER
 #include "SceneExportImportCommon.h"