#define MATERIALFLAG_CAMERA 0x02000000
// disable rtlight on surface - does not disable other types of lighting (LIGHTMAP, MODELLIGHT)
#define MATERIALFLAG_NORTLIGHT 0x04000000
-// alphagen vertex
+// alphagen vertex - should always be used with MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW (or MATERIALFLAG_ADD instead of MATERIALFLAG_ALPHA)
#define MATERIALFLAG_ALPHAGEN_VERTEX 0x08000000
// use occlusion buffer for corona
#define MATERIALFLAG_OCCLUDE 0x10000000