Starts up a new trace ray using a global trace result and a customized trace ray filter. Calling TR_Trace*Filter or TR_Trace*FilterEx from inside a filter function is currently not allowed and may not work.
native void TR_TraceRayFilter(const float pos[3], const float vec[3], int flags, RayType rtype, TraceEntityFilter filter, any data = 0, TraceType traceType = TRACE_EVERYTHING)