def add_tile(self, tile, no_flip=False, dedup=True):
"""Adds a tile into this tileset if the tileset does not already contain it.
:param tile: the tile to add, as a two-dimensional list
:param no_flip: don't store any flips of this tile
:return: a tuple containing the tile's id in this tileset, whether the tile is stored as vertically flipped,
and whether the tile is stored as horizontally flipped"""
tile_hash = hash_tile(tile)
if dedup:
try:
tile_id, vflip, hflip = self._used_tiles[tile_hash]
return tile_id, vflip, hflip
except KeyError:
pass
# The tile does not already exist in this tileset, so add it
if self._num_tiles_used >= self.num_tiles_maximum:
# Error, not enough room for a new tile
return 0, False, False
tile_copy = deepcopy(tile)
tile_id = self._num_tiles_used
self.tiles.append(tile_copy)
self._num_tiles_used += 1
if no_flip or not dedup:
self._used_tiles[tile_hash] = tile_id, False, False
return tile_id, False, False
# The tile will be stored as horizontally flipped
self._used_tiles[tile_hash] = tile_id, False, True
tile_copy.reverse()
# Verically flipped tile
self._used_tiles[hash_tile(tile_copy)] = tile_id, True, True
for row in tile_copy:
row.reverse()
# Vertically and horizontally flipped tile
self._used_tiles[hash_tile(tile_copy)] = tile_id, True, False
tile_copy.reverse()
# Horizontally flipped tile
self._used_tiles[hash_tile(tile_copy)] = tile_id, False, False
return tile_id, False, True
def add_tile(self, tile, no_flip=False):
"""Adds a tile into this tileset if the tileset does not already contain it.
:param tile: the tile to add, as a two-dimensional list
:param no_flip: don't store any flips of this tile
:return: a tuple containing the tile's id in this tileset, whether the tile is stored as vertically flipped,
and whether the tile is stored as horizontally flipped"""
tile_hash = hash_tile(tile)
try:
tile_id, vflip, hflip = self._used_tiles[tile_hash]
return tile_id, vflip, hflip
except KeyError:
pass
# The tile does not already exist in this tileset, so add it
if self._num_tiles_used >= self.num_tiles_maximum:
# Error, not enough room for a new tile
return 0, False, False
tile_copy = deepcopy(tile)
tile_id = self._num_tiles_used
self.tiles.append(tile_copy)
self._num_tiles_used += 1
if no_flip:
self._used_tiles[tile_hash] = tile_id, False, False
return tile_id, False, False
# The tile will be stored as horizontally flipped
self._used_tiles[tile_hash] = tile_id, False, True
tile_copy.reverse()
# Verically flipped tile
self._used_tiles[hash_tile(tile_copy)] = tile_id, True, True
for row in tile_copy:
row.reverse()
# Vertically and horizontally flipped tile
self._used_tiles[hash_tile(tile_copy)] = tile_id, True, False
tile_copy.reverse()
# Horizontally flipped tile
self._used_tiles[hash_tile(tile_copy)] = tile_id, False, False
return tile_id, False, True
def hash(self):
return hash_tile(self.sprite)
def hash(self):
return hash_tile(self.data)
def hash(self):
return hash_tile(self.sprite)
def hash(self):
return hash_tile(self.data)