+#define MATERIALFLAG_CAMERA 0x02000000
+// disable rtlight on surface, use R_LightPoint instead
+#define MATERIALFLAG_NORTLIGHT 0x04000000
+// alphagen vertex
+#define MATERIALFLAG_ALPHAGEN_VERTEX 0x08000000
+// use occlusion buffer for corona
+#define MATERIALFLAG_OCCLUDE 0x10000000