from .NamedObject import NamedObject

from .PPtr import PPtr

from .Sprite import SpriteSettings

class SpriteAtlas(NamedObject):

def __init__(self, reader):

super().__init__(reader=reader)

packed_sprites_size = reader.read_int()

self.m_PackedSprites = [PPtr(reader)

for _ in range(packed_sprites_size)]

self.m_PackedSpriteNamesToIndex = reader.read_string_array()

m_render_data_map_size = reader.read_int()

self.m_RenderDataMap = {}

for _ in range(m_render_data_map_size):

first = reader.read_bytes(16) # GUID

second = reader.read_long()

value = SpriteAtlasData(reader)

self.m_RenderDataMap[(first, second)] = value

class SpriteAtlasData:

def __init__(self, reader):

self.version = reader.version

self.texture = PPtr(reader) # Texture2D

self.alphaTexture = PPtr(reader) # Texture2D

self.textureRect = reader.read_rectangle_f()

self.textureRectOffset = reader.read_vector2()

if self.version >= (2017, 2): # 2017.2 and up

self.atlasRectOffset = reader.read_vector2()

self.uvTransform = reader.read_vector4()

self.downscaleMultiplier = reader.read_float()

self.settingsRaw = SpriteSettings(reader)