#define Q3SURFACEFLAG_NODAMAGE 1
#define Q3SURFACEFLAG_SLICK 2
#define Q3SURFACEFLAG_SKY 4
-#define Q3SURFACEFLAG_LADDER 8
+#define Q3SURFACEFLAG_LADDER 8 // has no surfaceparm
#define Q3SURFACEFLAG_NOIMPACT 16
#define Q3SURFACEFLAG_NOMARKS 32
-#define Q3SURFACEFLAG_FLESH 64
+#define Q3SURFACEFLAG_FLESH 64 // has no surfaceparm
#define Q3SURFACEFLAG_NODRAW 128
#define Q3SURFACEFLAG_HINT 256
-#define Q3SURFACEFLAG_SKIP 512
+#define Q3SURFACEFLAG_SKIP 512 // has no surfaceparm
#define Q3SURFACEFLAG_NOLIGHTMAP 1024
#define Q3SURFACEFLAG_POINTLIGHT 2048
#define Q3SURFACEFLAG_METALSTEPS 4096
-#define Q3SURFACEFLAG_NOSTEPS 8192
+#define Q3SURFACEFLAG_NOSTEPS 8192 // has no surfaceparm
#define Q3SURFACEFLAG_NONSOLID 16384
#define Q3SURFACEFLAG_LIGHTFILTER 32768
#define Q3SURFACEFLAG_ALPHASHADOW 65536