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254 lines (204 loc) · 8.94 KB
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from enum import IntEnum
from .Mesh import BoneWeights4, SubMesh, VertexData
from .NamedObject import NamedObject
from .PPtr import PPtr
from ..export import SpriteHelper
from ..enums import SpriteMeshType, SpritePackingMode, SpritePackingRotation
from ..streams import EndianBinaryWriter, EndianBinaryReader
class Sprite(NamedObject):
@property
def image(self):
return SpriteHelper.get_image_from_sprite(self)
def __init__(self, reader):
super().__init__(reader=reader)
version = self.version
self.m_Rect = reader.read_rectangle_f()
self.m_Offset = reader.read_vector2()
if version >= (4, 5): # 4.5 and up
self.m_Border = reader.read_vector4()
self.m_PixelsToUnits = reader.read_float()
if version >= (5, 4, 2) or (
version >= (5, 4, 1, 3) and self.build_type.IsPatch
): # 5.4.1p3 and up
self.m_Pivot = reader.read_vector2()
self.m_Extrude = reader.read_u_int()
if version >= (5, 3): # 5.3 and up
self.m_IsPolygon = reader.read_boolean()
reader.align_stream()
if version >= (2017,): # 2017 and up
first = reader.read_bytes(16) # GUID
second = reader.read_long()
self.m_RenderDataKey = (first, second)
self.m_AtlasTags = reader.read_string_array()
self.m_SpriteAtlas = PPtr(reader) # SpriteAtlas
self.m_RD = SpriteRenderData(reader)
if version >= (2017,): # 2017 and up
m_PhysicsShapeSize = reader.read_int()
self.m_PhysicsShape = [
reader.read_vector2_array() for _ in range(m_PhysicsShapeSize)
]
if version >= (2018,): # 2018 and up
m_BonesSize = reader.read_int()
# TODO: might occur in earlier 2020 versions - 2020.3.13 reported
if version >= (
2020,
3,
):
self.m_Bones = [SpriteBone() for _ in range(m_BonesSize)]
else:
self.m_Bones = [reader.read_vector2_array() for _ in range(m_BonesSize)]
def save(self, writer: EndianBinaryWriter = None):
if writer is None:
writer = EndianBinaryWriter(endian=self.reader.endian)
version = self.version
super().save(writer)
writer.write_rectangle_f(self.m_Rect)
writer.write_vector2(self.m_Offset)
if version >= (4, 5): # 4.5 and up
writer.write_vector4(self.m_Border)
writer.write_float(self.m_PixelsToUnits)
if version >= (5, 4, 2) or (
version >= (5, 4, 1, 3) and self.build_type.IsPatch
): # 5.4.1p3 and up
writer.write_vector2(self.m_Pivot)
writer.write_u_int(self.m_Extrude)
if version >= (5, 3): # 5.3 and up
writer.write_boolean(self.m_IsPolygon)
writer.align_stream()
if version >= (2017,): # 2017 and up
writer.write_bytes(self.m_RenderDataKey[0]) # GUID
writer.write_long(self.m_RenderDataKey[1])
writer.write_string_array(self.m_AtlasTags)
self.m_SpriteAtlas.save(writer) # SpriteAtlas
self.m_RD.save(writer, version)
if version >= (2017,): # 2017 and up
writer.write_int(len(self.m_PhysicsShape))
for phys in self.m_PhysicsShape:
writer.write_vector2_array(phys)
if version >= (2018,): # 2018 and up
writer.write_int(len(self.m_Bones))
if version >= (2020, 3):
for bone in self.m_Bones:
bone.save(writer)
else:
for bone in self.m_Bones:
writer.write_vector2_array(bone)
self.set_raw_data(writer.bytes)
class SecondarySpriteTexture:
def __init__(self, reader):
self.texture = PPtr(reader) # Texture2D
self.name = reader.read_string_to_null()
def save(self, writer):
self.texture.save(writer)
writer.write_string_to_null(self.name)
class SpriteSettings:
def __init__(self, reader):
self.settingsRaw = reader.read_u_int()
self.packed = self.settingsRaw & 1 # 1
self.packingMode = SpritePackingMode((self.settingsRaw >> 1) & 1) # 1
self.packingRotation = SpritePackingRotation((self.settingsRaw >> 2) & 0xF) # 4
self.meshType = SpriteMeshType((self.settingsRaw >> 6) & 1) # 1
# rest of the bits are reserved
def save(self, writer):
writer.write_u_int(self.settingsRaw)
class SpriteVertex:
def __init__(self, reader):
version = reader.version
self.pos = reader.read_vector3()
if version[:2] <= (4, 3): # 4.3 and down
self.uv = reader.read_vector2()
def save(self, writer, version):
writer.write_vector3(self.pos)
if version[:2] <= (4, 3): # 4.3 and down
writer.write__vector2(self.uv)
class SpriteRenderData:
def __init__(self, reader):
version = reader.version
self.texture = PPtr(reader) # Texture2D
if version >= (5, 2): # 5.2 and up
self.alphaTexture = PPtr(reader) # Texture2D
if version >= (2019,): # 2019 and up
secondaryTexturesSize = reader.read_int()
self.secondaryTextures = [
SecondarySpriteTexture(reader) for _ in range(secondaryTexturesSize)
]
if version >= (5, 6): # 5.6 and up
SubMeshesSize = reader.read_int()
self.m_SubMeshes = [SubMesh(reader) for _ in range(SubMeshesSize)]
IndexBufferSize = reader.read_int()
self.m_IndexBuffer = reader.read_bytes(IndexBufferSize)
reader.align_stream()
self.m_VertexData = VertexData(reader)
else:
verticesSize = reader.read_int()
self.vertices = [SpriteVertex(reader) for _ in range(verticesSize)]
self.indices = reader.read_u_short_array()
reader.align_stream()
if version >= (2018,): # 2018 and up
self.m_Bindpose = reader.read_matrix_array()
if version < (2018, 2): # 2018.2 down
self.m_SourceSkinSize = reader.read_int()
self.m_SourceSkin = [BoneWeights4(reader)]
self.textureRect = reader.read_rectangle_f()
self.textureRectOffset = reader.read_vector2()
if version >= (5, 6): # 5.6 and up
self.atlasRectOffset = reader.read_vector2()
self.settingsRaw = SpriteSettings(reader)
if version >= (4, 5): # 4.5 and up
self.uvTransform = reader.read_vector4()
if version >= (2017,): # 2017 and up
self.downscaleMultiplier = reader.read_float()
def save(self, writer, version):
self.texture.save(writer) # Texture2D
if version >= (5, 2): # 5.2 and up
self.alphaTexture.save(writer) # Texture2D
if version >= (2019,): # 2019 and up
writer.write_int(len(self.secondaryTextures))
for tex in self.secondaryTextures:
tex.save(writer)
if version >= (5, 6): # 5.6 and up
writer.write_int(len(self.m_SubMeshes))
for mesh in self.m_SubMeshes:
mesh.save(writer, version)
writer.write_int(len(self.m_IndexBuffer))
writer.write_bytes(self.m_IndexBuffer)
writer.align_stream()
self.m_VertexData.save(writer, version)
else:
writer.write_int(len(self.vertices))
for vertex in self.vertices:
vertex.save(writer, version)
writer.write_u_short_array(self.indices)
writer.align_stream()
if version >= (2018,): # 2018 and up
writer.write_matrix_array(self.m_Bindpose)
if version < (2018, 2): # 2018.2 down
writer.write_int(self.m_SourceSkinSize)
self.m_SourceSkin[0].save(writer)
writer.write_rectangle_f(self.textureRect)
writer.write_vector2(self.textureRectOffset)
if version >= (5, 6): # 5.6 and up
writer.write_vector2(self.atlasRectOffset)
self.settingsRaw.save(writer)
if version >= (4, 5): # 4.5 and up
writer.write_vector4(self.uvTransform)
if version >= (2017,): # 2017 and up
writer.write_float(self.downscaleMultiplier)
class SpriteBone:
name: str
position: tuple
rotation: tuple
length: float
parentId: int
def __init__(self, reader: EndianBinaryReader) -> None:
self.name = reader.read_aligned_string()
self.position = reader.read_vector3()
self.rotation = reader.read_vector3()
self.length = reader.read_float()
self.parentId = reader.read_int()
def save(self, writer: EndianBinaryWriter):
writer.write_aligned_string(self.name)
writer.write_vector3(self.position)
writer.write_vector3(self.rotation)
writer.write_float(self.length)
writer.write_int(self.parentId)