示例#1
0
 def read_vertex(self, vrtf, uvscales):
     vertex = Vertex()
     start = self.stream.tell()
     end = start + vrtf.stride
     for declaration in vrtf.declarations:
         u = declaration.usage
         value = self.read_element(declaration,
                                   uvscales[declaration.usage_index])
         if u == VertexFormat.USAGE.POSITION: vertex.position = value
         elif u == VertexFormat.USAGE.NORMAL: vertex.normal = value
         elif u == VertexFormat.USAGE.UV:
             if vertex.uv == None: vertex.uv = []
             vertex.uv.append(value)
         elif u == VertexFormat.USAGE.BLEND_INDEX:
             vertex.blend_indices = value
         elif u == VertexFormat.USAGE.BLEND_WEIGHT:
             vertex.blend_weights = value
         elif u == VertexFormat.USAGE.COLOR:
             vertex.colour = value
         elif u == VertexFormat.USAGE.TANGENT:
             vertex.tangent = value
         else:
             raise Exception("Unknown usage %s", declaration.usage)
     actual = self.stream.tell()
     return vertex
示例#2
0
文件: geometry.py 项目: garthand/s3py
 def read_rcol(self, stream, rcol):
     s = StreamReader(stream)
     self.read_tag(stream)
     self.version = s.u32()
     tgi = TGIList()
     tgi.begin_read(stream)
     self.shader = s.u32()
     if self.shader:
         end_material = s.u32() + stream.tell()
         self.material = MaterialBlock()
         self.material.read(stream, tgi)
         assert stream.tell() == end_material
     self.merge_group = s.u32()
     self.sort_order = s.u32()
     cVertices = s.u32()
     self.vertex_format.read(stream)
     for vertex_index in range(cVertices):
         vertex = Vertex()
         for declaration in self.vertex_format.declarations:
             if declaration.usage == self.VertexFormat.Declaration.USAGE.POSITION:
                 vertex.position = [s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.NORMAL:
                 vertex.normal = [s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.UV:
                 uv = [s.f32(), s.f32()]
                 if vertex.uv == None:
                     vertex.uv = []
                 vertex.uv.append(uv)
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.BLEND_INDEX:
                 vertex.blend_indices = [s.i8(), s.i8(), s.i8(), s.i8()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.BLEND_WEIGHT:
                 vertex.blend_weights = [s.f32(), s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.TANGENT:
                 vertex.tangent = [s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.COLOUR:
                 vertex.colour = [s.u8(), s.u8(), s.u8(), s.u8()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.ID:
                 vertex.id = s.u32()
         self.vertices.append(vertex)
     assert s.u32() == 1
     bytes_per_index = s.u8()
     assert bytes_per_index == 2
     self.indices = [[s.u16() for i in range(3)]
                     for i in range(int(s.u32() / 3))]
     self.skin_controller = tgi.get_resource(s.u32())
     self.bones = [s.u32() for i in range(s.u32())]
     tgi.end_read(stream)
示例#3
0
 def read_rcol(self, stream, rcol):
     s = StreamReader(stream)
     self.read_tag(stream)
     self.version = s.u32()
     tgi = TGIList()
     tgi.begin_read(stream)
     self.shader = s.u32()
     if self.shader:
         end_material = s.u32() + stream.tell()
         self.material = MaterialBlock()
         self.material.read(stream, tgi)
         assert stream.tell() == end_material
     self.merge_group = s.u32()
     self.sort_order = s.u32()
     cVertices = s.u32()
     self.vertex_format.read(stream)
     for vertex_index in range(cVertices):
         vertex = Vertex()
         for declaration in self.vertex_format.declarations:
             if declaration.usage == self.VertexFormat.Declaration.USAGE.POSITION:
                 vertex.position = [s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.NORMAL:
                 vertex.normal = [s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.UV:
                 uv = [s.f32(), s.f32()]
                 if vertex.uv == None:
                     vertex.uv = []
                 vertex.uv.append(uv)
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.BLEND_INDEX:
                 vertex.blend_indices = [s.i8(), s.i8(), s.i8(), s.i8()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.BLEND_WEIGHT:
                 vertex.blend_weights = [s.f32(), s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.TANGENT:
                 vertex.tangent = [s.f32(), s.f32(), s.f32()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.COLOUR:
                 vertex.colour = [s.u8(), s.u8(), s.u8(), s.u8()]
             elif declaration.usage == self.VertexFormat.Declaration.USAGE.ID:
                 vertex.id = s.u32()
         self.vertices.append(vertex)
     assert s.u32() == 1
     bytes_per_index = s.u8()
     assert bytes_per_index == 2
     self.indices = [[s.u16() for i in range(3)] for i in range(int(s.u32() / 3))]
     self.skin_controller = tgi.get_resource(s.u32())
     self.bones = [s.u32() for i in range(s.u32())]
     tgi.end_read(stream)
示例#4
0
 def read_vertex(self, vrtf, uvscales):
     vertex = Vertex()
     start = self.stream.tell()
     end = start + vrtf.stride
     for declaration in vrtf.declarations:
         u = declaration.usage
         value = self.read_element(declaration,uvscales[declaration.usage_index])
         if u == VertexFormat.USAGE.POSITION: vertex.position = value
         elif u == VertexFormat.USAGE.NORMAL: vertex.normal = value
         elif u == VertexFormat.USAGE.UV:
             if vertex.uv == None: vertex.uv = []
             vertex.uv.append(value)
         elif u == VertexFormat.USAGE.BLEND_INDEX: vertex.blend_indices = value
         elif u == VertexFormat.USAGE.BLEND_WEIGHT: vertex.blend_weights = value
         elif u == VertexFormat.USAGE.COLOR: vertex.colour = value
         elif u == VertexFormat.USAGE.TANGENT: vertex.tangent = value
         else:
             raise Exception("Unknown usage %s", declaration.usage)
     actual = self.stream.tell()
     return vertex