-// LordHavoc: was a major time waster
-#define R_CullBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) == 2 || frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) == 2 || frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) == 2 || frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) == 2)
-#define R_NotCulledBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) != 2 && frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) != 2 && frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) != 2 && frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) != 2)
+int R_CullBox(const vec3_t mins, const vec3_t maxs);
+#define VIS_CullBox(mins,maxs) (R_CullBox((mins), (maxs)) || (cl.worldmodel && cl.worldmodel->brush.BoxTouchingPVS && !cl.worldmodel->brush.BoxTouchingPVS(cl.worldmodel, r_pvsbits, (mins), (maxs))))