typedef void(vector start, vector hit, vector end) WarpZone_trace_callback_t; // called on every elementary trace
const var WarpZone_trace_callback_t WarpZone_trace_callback_t_null;
entity WarpZone_trace_transform; // transform accumulator during a trace
+entity WarpZone_trace_firstzone; // first warpzone hit by a trace (can differ from the requested zone in case of _ThroughZone, the trace is aborted then)
+entity WarpZone_trace_lastzone; // first warpzone hit by a trace (can differ from the requested zone in case of _ThroughZone, the trace is aborted then)
vector WarpZone_tracetoss_velocity; // ending velocity of a tracetoss (post-transform)
float WarpZone_tracetoss_time; // duration of toss (approximate)
void WarpZone_TraceBox(vector org, vector min, vector max, vector end, float nomonsters, entity forent);
void WarpZone_TraceToss(entity e, entity forent);
void WarpZone_TraceToss_ThroughZone(entity e, entity forent, entity zone, WarpZone_trace_callback_t cb);
void WarpZone_TrailParticles(entity own, float eff, vector org, vector end);
+#ifdef CSQC
+void WarpZone_TrailParticles_WithMultiplier(entity own, float eff, vector org, vector end, float f, float boxflags);
+#endif
.vector WarpZone_findradius_dist;
.vector WarpZone_findradius_nearest;