ref: 7c5df82b538cfb1926274d676464f4f3854b519d
dir: /d_alpha.c/
#include "quakedef.h" float alphafor(int flags) { if(flags & (SURF_TELE|SURF_FENCE)) return 1.0; if(flags & SURF_LAVA) return r_lavaalpha.value; if(flags & SURF_SLIME) return r_slimealpha.value; return r_wateralpha.value; }