- Restored the previous level flag values to avoid needlessly breaking some

savegames at this point in time.
- Fixed: R_ClearPlanes() did not clear skybox planes for a full clear.
- Streamlined zip file loading by delaying the processing of the local file
  header until it is actually needed.


SVN r247 (trunk)

src/r_segs.cpp

@@ -1031,6 +1031,7 @@ void R_RenderSegLoop ()
 			short bottom = floorclip[x];
 			if (top < bottom)
 			{
+				assert (bottom <= viewheight);
 				floorplane->top[x] = top;
 				floorplane->bottom[x] = bottom;
 			}