def bar(primitives, attr):
acc = primitives[0]['attributes'][attr]
all = []
for prim in primitives:
all.extend(prim['attributes'][attr].buffer_view)
acc.buffer_view = all
acc.count = len(all) // gltf2_io_constants.DataType.num_elements(acc.type)
if attr == 'POSITION':
acc.max = list(
map(float, gltf2_blender_utils.max_components(all, acc.type)))
acc.min = list(
map(float, gltf2_blender_utils.min_components(all, acc.type)))
for primitive in primitives:
primitive['attributes'][attr] = acc
def __gather_position(blender_primitive, export_settings):
position = blender_primitive["attributes"]["POSITION"]
componentType = gltf2_io_constants.ComponentType.Float
return {
"POSITION": gltf2_io.Accessor(
buffer_view=gltf2_io_binary_data.BinaryData.from_list(position, componentType),
byte_offset=None,
component_type=componentType,
count=len(position) // gltf2_io_constants.DataType.num_elements(gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=gltf2_blender_utils.max_components(position, gltf2_io_constants.DataType.Vec3),
min=gltf2_blender_utils.min_components(position, gltf2_io_constants.DataType.Vec3),
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3
)
}
def __gather_targets(blender_primitive, blender_mesh, modifiers,
export_settings):
if export_settings[MORPH]:
targets = []
if blender_mesh.shape_keys is not None:
morph_index = 0
for blender_shape_key in blender_mesh.shape_keys.key_blocks:
if blender_shape_key != blender_shape_key.relative_key:
target_position_id = 'MORPH_POSITION_' + str(morph_index)
target_normal_id = 'MORPH_NORMAL_' + str(morph_index)
target_tangent_id = 'MORPH_TANGENT_' + str(morph_index)
if blender_primitive["attributes"].get(target_position_id):
target = {}
internal_target_position = blender_primitive[
"attributes"][target_position_id]
binary_data = gltf2_io_binary_data.BinaryData.from_list(
internal_target_position,
gltf2_io_constants.ComponentType.Float)
target["POSITION"] = gltf2_io.Accessor(
buffer_view=binary_data,
byte_offset=None,
component_type=gltf2_io_constants.ComponentType.
Float,
count=len(internal_target_position) //
gltf2_io_constants.DataType.num_elements(
gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=gltf2_blender_utils.max_components(
internal_target_position,
gltf2_io_constants.DataType.Vec3),
min=gltf2_blender_utils.min_components(
internal_target_position,
gltf2_io_constants.DataType.Vec3),
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3)
if export_settings[NORMALS] \
and export_settings[MORPH_NORMAL] \
and blender_primitive["attributes"].get(target_normal_id):
internal_target_normal = blender_primitive[
"attributes"][target_normal_id]
binary_data = gltf2_io_binary_data.BinaryData.from_list(
internal_target_normal,
gltf2_io_constants.ComponentType.Float,
)
target['NORMAL'] = gltf2_io.Accessor(
buffer_view=binary_data,
byte_offset=None,
component_type=gltf2_io_constants.
ComponentType.Float,
count=len(internal_target_normal) //
gltf2_io_constants.DataType.num_elements(
gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=None,
min=None,
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3)
if export_settings[TANGENTS] \
and export_settings[MORPH_TANGENT] \
and blender_primitive["attributes"].get(target_tangent_id):
internal_target_tangent = blender_primitive[
"attributes"][target_tangent_id]
binary_data = gltf2_io_binary_data.BinaryData.from_list(
internal_target_tangent,
gltf2_io_constants.ComponentType.Float,
)
target['TANGENT'] = gltf2_io.Accessor(
buffer_view=binary_data,
byte_offset=None,
component_type=gltf2_io_constants.
ComponentType.Float,
count=len(internal_target_tangent) //
gltf2_io_constants.DataType.num_elements(
gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=None,
min=None,
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3)
targets.append(target)
morph_index += 1
return targets
return None
def __gather_targets(blender_primitive, blender_mesh, modifiers, export_settings):
if export_settings[MORPH]:
targets = []
if blender_mesh.shape_keys is not None:
morph_index = 0
for blender_shape_key in blender_mesh.shape_keys.key_blocks:
if blender_shape_key != blender_shape_key.relative_key:
target_position_id = 'MORPH_POSITION_' + str(morph_index)
target_normal_id = 'MORPH_NORMAL_' + str(morph_index)
target_tangent_id = 'MORPH_TANGENT_' + str(morph_index)
if blender_primitive["attributes"].get(target_position_id):
target = {}
internal_target_position = blender_primitive["attributes"][target_position_id]
binary_data = gltf2_io_binary_data.BinaryData.from_list(
internal_target_position,
gltf2_io_constants.ComponentType.Float
)
target["POSITION"] = gltf2_io.Accessor(
buffer_view=binary_data,
byte_offset=None,
component_type=gltf2_io_constants.ComponentType.Float,
count=len(internal_target_position) // gltf2_io_constants.DataType.num_elements(
gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=gltf2_blender_utils.max_components(
internal_target_position, gltf2_io_constants.DataType.Vec3),
min=gltf2_blender_utils.min_components(
internal_target_position, gltf2_io_constants.DataType.Vec3),
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3
)
if export_settings[NORMALS] \
and export_settings[MORPH_NORMAL] \
and blender_primitive["attributes"].get(target_normal_id):
internal_target_normal = blender_primitive["attributes"][target_normal_id]
binary_data = gltf2_io_binary_data.BinaryData.from_list(
internal_target_normal,
gltf2_io_constants.ComponentType.Float,
)
target['NORMAL'] = gltf2_io.Accessor(
buffer_view=binary_data,
byte_offset=None,
component_type=gltf2_io_constants.ComponentType.Float,
count=len(internal_target_normal) // gltf2_io_constants.DataType.num_elements(
gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=None,
min=None,
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3
)
if export_settings[TANGENTS] \
and export_settings[MORPH_TANGENT] \
and blender_primitive["attributes"].get(target_tangent_id):
internal_target_tangent = blender_primitive["attributes"][target_tangent_id]
binary_data = gltf2_io_binary_data.BinaryData.from_list(
internal_target_tangent,
gltf2_io_constants.ComponentType.Float,
)
target['TANGENT'] = gltf2_io.Accessor(
buffer_view=binary_data,
byte_offset=None,
component_type=gltf2_io_constants.ComponentType.Float,
count=len(internal_target_tangent) // gltf2_io_constants.DataType.num_elements(
gltf2_io_constants.DataType.Vec3),
extensions=None,
extras=None,
max=None,
min=None,
name=None,
normalized=None,
sparse=None,
type=gltf2_io_constants.DataType.Vec3
)
targets.append(target)
morph_index += 1
return targets
return None
