def test_read_2bpp_graphic_from_block_offset_xy():
source = Block()
source.from_list([0b01010101,
0b10111010,
0b01100100,
0b11001111,
0b10100000,
0b10111101,
0b11100001,
0b01101011,
0b10110111,
0b00000111,
0b11111010,
0b01111101,
0b00110010,
0b11101100,
0b00110110,
0b10111100, 5])
target = [[0 for x in range(10)] for y in range(10)]
assert_equal(16, read_2bpp_graphic_from_block(target=target, source=source, offset=0, x=2, y=1, bit_offset=0))
assert_list_equal(target,
[[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 2, 1, 2, 3, 2, 1, 2, 1],
[0, 0, 2, 3, 1, 0, 2, 3, 2, 2],
[0, 0, 3, 0, 3, 2, 2, 2, 0, 2],
[0, 0, 1, 3, 3, 0, 2, 0, 2, 3],
[0, 0, 1, 0, 1, 1, 0, 3, 3, 3],
[0, 0, 1, 3, 3, 3, 3, 2, 1, 2],
[0, 0, 2, 2, 3, 1, 2, 2, 1, 0],
[0, 0, 2, 0, 3, 3, 2, 3, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]])
def from_block(self, block, offset=0, bpp=2):
"""Reads in a tileset from the specified offset in the block.
:param bpp: The number of bits used to represent each pixel by the block representation."""
if bpp not in _EB_GRAPHIC_TILESET_SUPPORTED_BPP_FORMATS:
raise NotImplementedError("Don't know how to read graphical tile data of bpp[{}]".format(bpp))
elif (bpp != 1) and (self.tile_height != 8):
raise NotImplementedError(("Don't know how to read graphical tile data of width[{}], height[{}], "
"and bpp[{}]").format(self.tile_width, self.tile_height, bpp))
self._num_tiles_used = 0
self._used_tiles = dict()
self.tiles = [[[0 for x in range(self.tile_width)] for y in range(self.tile_height)]
for n in range(self.num_tiles_maximum)]
for tile in self.tiles:
try:
if bpp == 2:
offset += read_2bpp_graphic_from_block(source=block, target=tile, offset=offset)
elif bpp == 4:
offset += read_4bpp_graphic_from_block(source=block, target=tile, offset=offset)
elif bpp == 8:
offset += read_8bpp_graphic_from_block(source=block, target=tile, offset=offset)
else: # bpp == 1
for x in range(0, self.tile_width, 8):
offset += read_1bpp_graphic_from_block(source=block, target=tile, offset=offset,
x=x, height=self.tile_height)
self._num_tiles_used += 1
except OutOfBoundsError:
break # Stop if we begin to read past the end of the block
def from_block(self, block, offset=0, bpp=2):
"""Reads in a tileset from the specified offset in the block.
:param bpp: The number of bits used to represent each pixel by the block representation."""
if bpp not in _EB_GRAPHIC_TILESET_SUPPORTED_BPP_FORMATS:
raise NotImplementedError("Don't know how to read graphical tile data of bpp[{}]".format(bpp))
elif (bpp != 1) and (self.tile_height != 8):
raise NotImplementedError(("Don't know how to read graphical tile data of width[{}], height[{}], "
"and bpp[{}]").format(self.tile_width, self.tile_height, bpp))
self._num_tiles_used = 0
self._used_tiles = dict()
self.tiles = [[[0 for x in range(self.tile_width)] for y in range(self.tile_height)]
for n in range(self.num_tiles_maximum)]
for tile in self.tiles:
try:
if bpp == 2:
offset += read_2bpp_graphic_from_block(source=block, target=tile, offset=offset)
elif bpp == 4:
offset += read_4bpp_graphic_from_block(source=block, target=tile, offset=offset)
elif bpp == 8:
offset += read_8bpp_graphic_from_block(source=block, target=tile, offset=offset)
else: # bpp == 1
for x in range(0, self.tile_width, 8):
offset += read_1bpp_graphic_from_block(source=block, target=tile, offset=offset,
x=x, height=self.tile_height)
self._num_tiles_used += 1
except OutOfBoundsError:
break # Stop if we begin to read past the end of the block
def test_read_2bpp_graphic_from_block():
source = Block()
source.from_list([
1, 2, 3, 0b01010101, 0b10111010, 0b01100100, 0b11001111, 0b10100000,
0b10111101, 0b11100001, 0b01101011, 0b10110111, 0b00000111, 0b11111010,
0b01111101, 0b00110010, 0b11101100, 0b00110110, 0b10111100
])
target = [[0 for x in range(8)] for y in range(8)]
assert_equal(
16,
read_2bpp_graphic_from_block(target=target,
source=source,
offset=3,
x=0,
y=0,
bit_offset=0))
assert_list_equal(target,
[[2, 1, 2, 3, 2, 1, 2, 1], [2, 3, 1, 0, 2, 3, 2, 2],
[3, 0, 3, 2, 2, 2, 0, 2], [1, 3, 3, 0, 2, 0, 2, 3],
[1, 0, 1, 1, 0, 3, 3, 3], [1, 3, 3, 3, 3, 2, 1, 2],
[2, 2, 3, 1, 2, 2, 1, 0], [2, 0, 3, 3, 2, 3, 1, 0]])
