def build_collection(data):
name_full, index = common.decode_string(data, 0)
# This message is not emitted by VRtist, only by Blender, so it is used only for Blender/Blender sync.
# In generic mode, it conflicts with generic messages, so drop it
if share_data.use_experimental_sync():
logger.warning("build_collection %s, ignored in experimental mode",
name_full)
return
# Blender/Blender in VRtist (non generic) mode
visible, index = common.decode_bool(data, index)
hide_viewport = not visible
offset, index = common.decode_vector3(data, index)
temporary_visibility, index = common.decode_bool(data, index)
logger.info("build_collection %s", name_full)
collection = share_data.blender_collections.get(name_full)
if collection is None:
collection = bpy.data.collections.new(name_full)
share_data.blender_collections[name_full] = collection
collection.hide_viewport = hide_viewport
collection.instance_offset = offset
layer_collection = share_data.blender_layer_collections.get(name_full)
if layer_collection:
layer_collection.hide_viewport = not temporary_visibility
else:
# if the layer collection does not exists, store its state for later
share_data.blender_collection_temporary_visibility[
name_full] = temporary_visibility
def build_collection(data):
name_full, index = common.decode_string(data, 0)
visible, index = common.decode_bool(data, index)
hide_viewport = not visible
offset, index = common.decode_vector3(data, index)
temporary_visibility, index = common.decode_bool(data, index)
logger.info("build_collection %s", name_full)
collection = share_data.blender_collections.get(name_full)
if collection is None:
collection = bpy.data.collections.new(name_full)
share_data.blender_collections[name_full] = collection
collection.hide_viewport = hide_viewport
collection.instance_offset = offset
layer_collection = share_data.blender_layer_collections.get(name_full)
if layer_collection:
layer_collection.hide_viewport = not temporary_visibility
else:
# if the layer collection does not exists, store its state for later
share_data.blender_collection_temporary_visibility[name_full] = temporary_visibility
def decode_base_mesh(client, obj, data, index):
bm = bmesh.new()
position_count, index = common.decode_int(data, index)
logger.debug("Reading %d vertices", position_count)
for _pos_idx in range(position_count):
co, index = common.decode_vector3(data, index)
bm.verts.new(co)
bm.verts.ensure_lookup_table()
index = decode_bmesh_layer(data, index, bm.verts.layers.bevel_weight,
bm.verts, decode_layer_float)
edge_count, index = common.decode_int(data, index)
logger.debug("Reading %d edges", edge_count)
edges_data = struct.unpack(f"{edge_count * 4}I",
data[index:index + edge_count * 4 * 4])
index += edge_count * 4 * 4
for edge_idx in range(edge_count):
v1 = edges_data[edge_idx * 4]
v2 = edges_data[edge_idx * 4 + 1]
edge = bm.edges.new((bm.verts[v1], bm.verts[v2]))
edge.smooth = bool(edges_data[edge_idx * 4 + 2])
edge.seam = bool(edges_data[edge_idx * 4 + 3])
index = decode_bmesh_layer(data, index, bm.edges.layers.bevel_weight,
bm.edges, decode_layer_float)
index = decode_bmesh_layer(data, index, bm.edges.layers.crease, bm.edges,
decode_layer_float)
face_count, index = common.decode_int(data, index)
logger.debug("Reading %d faces", face_count)
for _face_idx in range(face_count):
material_idx, index = common.decode_int(data, index)
smooth, index = common.decode_bool(data, index)
vert_count, index = common.decode_int(data, index)
face_vertices = struct.unpack(f"{vert_count}I",
data[index:index + vert_count * 4])
index += vert_count * 4
verts = [bm.verts[i] for i in face_vertices]
face = bm.faces.new(verts)
face.material_index = material_idx
face.smooth = smooth
index = decode_bmesh_layer(data, index, bm.faces.layers.face_map, bm.faces,
decode_layer_int)
index = decode_bmesh_layer(data, index, bm.loops.layers.uv,
loops_iterator(bm), decode_layer_uv)
index = decode_bmesh_layer(data, index, bm.loops.layers.color,
loops_iterator(bm), decode_layer_color)
bm.normal_update()
bm.to_mesh(obj.data)
bm.free()
# Load shape keys
shape_keys_count, index = common.decode_int(data, index)
obj.shape_key_clear()
if shape_keys_count > 0:
logger.debug("Loading %d shape keys", shape_keys_count)
shapes_keys_list = []
for _i in range(shape_keys_count):
shape_key_name, index = common.decode_string(data, index)
shapes_keys_list.append(obj.shape_key_add(name=shape_key_name))
for i in range(shape_keys_count):
shapes_keys_list[i].vertex_group, index = common.decode_string(
data, index)
for i in range(shape_keys_count):
relative_key_name, index = common.decode_string(data, index)
shapes_keys_list[i].relative_key = obj.data.shape_keys.key_blocks[
relative_key_name]
for i in range(shape_keys_count):
shape_key = shapes_keys_list[i]
shape_key.mute, index = common.decode_bool(data, index)
shape_key.value, index = common.decode_float(data, index)
shape_key.slider_min, index = common.decode_float(data, index)
shape_key.slider_max, index = common.decode_float(data, index)
shape_key_data_size, index = common.decode_int(data, index)
for i in range(shape_key_data_size):
shape_key.data[i].co = Vector(
struct.unpack("3f", data[index:index + 3 * 4]))
index += 3 * 4
obj.data.shape_keys.use_relative, index = common.decode_bool(
data, index)
# Vertex Groups
vg_count, index = common.decode_int(data, index)
obj.vertex_groups.clear()
for _i in range(vg_count):
vg_name, index = common.decode_string(data, index)
vertex_group = obj.vertex_groups.new(name=vg_name)
vertex_group.lock_weight, index = common.decode_bool(data, index)
vg_size, index = common.decode_int(data, index)
for _elmt_idx in range(vg_size):
vert_idx, index = common.decode_int(data, index)
weight, index = common.decode_float(data, index)
vertex_group.add([vert_idx], weight, "REPLACE")
# Normals
obj.data.use_auto_smooth, index = common.decode_bool(data, index)
obj.data.auto_smooth_angle, index = common.decode_float(data, index)
has_custom_normal, index = common.decode_bool(data, index)
if has_custom_normal:
normals = []
for _loop in obj.data.loops:
normal, index = common.decode_vector3(data, index)
normals.append(normal)
obj.data.normals_split_custom_set(normals)
# UV Maps and Vertex Colors are added automatically based on layers in the bmesh
# We just need to update their name and active_render state:
# UV Maps
for uv_layer in obj.data.uv_layers:
uv_layer.name, index = common.decode_string(data, index)
uv_layer.active_render, index = common.decode_bool(data, index)
# Vertex Colors
for vertex_colors in obj.data.vertex_colors:
vertex_colors.name, index = common.decode_string(data, index)
vertex_colors.active_render, index = common.decode_bool(data, index)
return index
def decode_layer_vector(elmt, layer, data, index):
elmt[layer], index = common.decode_vector3(data, index)
return index
