def parse_palette(data):
palette = []
for a, b in iter_in_groups(data, 2):
palette.append(unpack_color([a, b]))
return palette
def from_bytes(data):
self = Sprite()
image_offsets = Sprite.read_offset_list(
data[int.from_bytes(data[0:4], byteorder="big"):])
palette_offsets = Sprite.read_offset_list(
data[int.from_bytes(data[4:8], byteorder="big"):])
self.max_components = int.from_bytes(data[8:0xC], byteorder="big")
self.num_variations = int.from_bytes(data[0xC:0x10], byteorder="big")
animation_offsets = Sprite.read_offset_list(data[0x10:])
for offset in palette_offsets:
# 16 colors
color_data = data[offset:offset + 16 * 2]
self.palettes.append(
[unpack_color(c) for c in iter_in_groups(color_data, 2)])
for offset in image_offsets:
img = Image.from_bytes(data[offset:], data)
self.images.append(img)
for offset in animation_offsets:
anim = []
for comp_offset in Sprite.read_offset_list(data[offset:]):
comp = Component.from_bytes(data[comp_offset:], data)
anim.append(comp)
self.animations.append(anim)
return self
def parse_palette(self, rom_bytes):
data = rom_bytes[self.rom_start:self.rom_end]
palette = []
for a, b in iter_in_groups(data, 2):
palette.append(unpack_color([a, b]))
return palette
def from_bytes(data, sprite_data):
self = Component()
commands_offset = int.from_bytes(data[0:4], byteorder="big")
commands_size = int.from_bytes(data[4:6], byteorder="big") # size in bytes, not length!
commands_data = sprite_data[commands_offset : commands_offset + commands_size]
self.commands = [int.from_bytes(d[0:2], byteorder="big") for d in iter_in_groups(commands_data, 2)]
self.x = int.from_bytes(data[6:8], byteorder="big", signed=True)
self.y = int.from_bytes(data[8:10], byteorder="big", signed=True)
self.z = int.from_bytes(data[10:12], byteorder="big", signed=True)
return self