- added a P_PointInSector function and replaced all calls to retrieve an

actor's sector in the game engine code with it. This way there's a clear
  distinction between renderer-specific and game-specific calls.


SVN r638 (trunk)

src/r_things.cpp

@@ -2204,6 +2204,7 @@ void R_FindParticleSubsectors ()
 	{
 		subsector_t *ssec = R_PointInSubsector (Particles[i].x, Particles[i].y);
 		int ssnum = ssec-subsectors;
+		Particles[i].subsector = ssec;
 		Particles[i].snext = ParticlesInSubsec[ssnum];
 		ParticlesInSubsec[ssnum] = i;
 	}