int level_xsize = level.native_mm_level->fieldx;
int full_xsize = level_xsize * TILESIZE_VAR;
sx -= (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
int level_xsize = level.native_mm_level->fieldx;
int full_xsize = level_xsize * TILESIZE_VAR;
sx -= (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
int level_ysize = level.native_mm_level->fieldy;
int full_ysize = level_ysize * TILESIZE_VAR;
sy -= (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);
int level_ysize = level.native_mm_level->fieldy;
int full_ysize = level_ysize * TILESIZE_VAR;
sy -= (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);