-extern qboolean SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, trace_t *trace);
-
-void TraceLine (vec3_t start, vec3_t end, vec3_t impact)
+float TraceLine (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal)