def _load_vertex_buffers(self):
"""Load each vertex buffer into each material"""
fd = gzip.open(cache_name(self.file_name), 'rb')
for buff in self.meta.vertex_buffers:
mat = self.wavefront.materials.get(buff['material'])
if not mat:
mat = Material(name=buff['material'], is_default=True)
self.wavefront.materials[mat.name] = mat
mat.vertex_format = buff['vertex_format']
self.load_vertex_buffer(fd, mat, buff['byte_length'])
fd.close()
def _load_vertex_buffers(self):
"""Load each vertex buffer into each material"""
fd = gzip.open(cache_name(self.file_name), 'rb')
for buff in self.meta.vertex_buffers:
mat = self.wavefront.materials.get(buff['material'])
if not mat:
mat = Material(name=buff['material'], is_default=True)
self.wavefront.materials[mat.name] = mat
mat.vertex_format = buff['vertex_format']
self.load_vertex_buffer(fd, mat, buff['byte_length'])
fd.close()
def parse_f(self):
# Add default material if not created
if self.material is None:
self.material = Material(
"default{}".format(len(self.wavefront.materials)),
is_default=True,
has_faces=self.collect_faces
)
self.wavefront.materials[self.material.name] = self.material
# Support objects without `o` statement
if self.mesh is None:
self.mesh = Mesh(has_faces=self.collect_faces)
self.wavefront.add_mesh(self.mesh)
self.mesh.add_material(self.material)
self.mesh.add_material(self.material)
collected_faces = []
consumed_vertices = self.consume_faces(collected_faces if self.collect_faces else None)
self.material.vertices += list(consumed_vertices)
if self.collect_faces:
self.mesh.faces += list(collected_faces)
# Since list() also consumes StopIteration we need to sanity check the line
# to make sure the parser advances
if self.values and self.values[0] == "f":
self.next_line()
def parse_usemtl(self):
name = " ".join(self.values[1:])
self.material = self.wavefront.materials.get(name, None)
if self.material is None:
if not self.create_materials:
raise PywavefrontException('Unknown material: %s' % name)
# Create a new default material if configured to resolve missing ones
self.material = Material(name, is_default=True, has_faces=self.collect_faces)
self.wavefront.materials[name] = self.material
if self.mesh is not None:
self.mesh.add_material(self.material)
def parse_f(self):
# Support objects without `o` statement
if self.mesh is None:
self.mesh = Mesh()
self.wavefront.add_mesh(self.mesh)
# Add default material if not created
if self.material is None:
self.material = Material(is_default=True)
self.wavefront.materials[self.material.name] = self.material
self.mesh.add_material(self.material)
self.material.vertices += list(self.consume_faces())
# Since list() also consumes StopIteration we need to sanity check the line
# to make sure the parser advances
if self.values[0] == "f":
self.next_line()
