- WarpZone_TraceBox_ThroughZone(org, '0 0 0', '0 0 0', end, MOVE_NOMONSTERS, world, world, WarpZone_TrailParticles_WithMultiplier_trace_callback);
+ WarpZone_TraceBox_ThroughZone(org, '0 0 0', '0 0 0', end, MOVE_NOMONSTERS, NULL, NULL, WarpZone_TrailParticles_WithMultiplier_trace_callback);