Function bm_w

bitmap/bitmain.cpp:1111–1125

returns a bitmaps width (based on miplevel), else -1 if something is wrong

}
// returns a bitmaps width (based on miplevel), else -1 if something is wrong
int bm_w(int handle, int miplevel) {
  int w;
  if (!GameBitmaps[handle].used) {
    Int3();
    return -1;
  }
  if (GameBitmaps[handle].flags & BF_NOT_RESIDENT)
    if (!bm_MakeBitmapResident(handle))
      return 0;
  if (!(GameBitmaps[handle].flags & BF_MIPMAPPED))
    miplevel = 0;
  w = GameBitmaps[handle].width;
  w >>= miplevel;
  return (w);
}
// returns a bitmaps height (based on miplevel), else -1 if something is wrong
int bm_h(int handle, int miplevel) {
  int h;