- fixed: A_CountdownArg used 0 based indices although all uses of it assumed

it is 1-based.
- added MF5_DONTRIP flag.
- added CheckActorFloorTexture, CheckActorCeilingTexture and
  GetActorLightLevel ACS functions.
- added IF_ADDITIVETIME flag to create powerups that add their duration
  to the one of the currently active item of the same type.
- fixed: bouncecount wasn't decreased when bouncing on walls.
- Added MF5_ALWAYSRESPAWN and MF5_NEVERRESPAWN flags that selectively
  enable or disable monster respawning regardless of skill setting.
- Prettified deprecated flag handling.


SVN r780 (trunk)

src/p_map.cpp

@@ -1019,7 +1019,7 @@ bool PIT_CheckThing (AActor *thing)
 		{
 			return true;
 		}
-		if (DoRipping)
+		if (DoRipping && !(thing->flags5 & MF5_DONTRIP))
 		{
 			if (LastRipped != thing)
 			{
@@ -2475,6 +2475,13 @@ bool P_BounceWall (AActor *mo)
 		return true;
 	}
 
+	// The amount of bounces is limited
+	if (mo->bouncecount>0 && --mo->bouncecount==0)
+	{
+		P_ExplodeMissile(mo, NULL, NULL);
+		return true;
+	}
+
 	side = P_PointOnLineSide (mo->x, mo->y, line);
 	lineangle = R_PointToAngle2 (0, 0, line->dx, line->dy);
 	if (side == 1)