diff options
Diffstat (limited to 'io_scene_gltf2/blender/exp/gltf2_blender_gather.py')
-rwxr-xr-x | io_scene_gltf2/blender/exp/gltf2_blender_gather.py | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py new file mode 100755 index 00000000..217930e1 --- /dev/null +++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py @@ -0,0 +1,69 @@ +# Copyright 2018 The glTF-Blender-IO authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import bpy + +from io_scene_gltf2.io.com import gltf2_io +from io_scene_gltf2.blender.exp import gltf2_blender_gather_nodes +from io_scene_gltf2.blender.exp import gltf2_blender_gather_animations +from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached +from io_scene_gltf2.blender.exp import gltf2_blender_generate_extras +from io_scene_gltf2.blender.exp import gltf2_blender_export_keys + + +def gather_gltf2(export_settings): + """ + Gather glTF properties from the current state of blender. + + :return: list of scene graphs to be added to the glTF export + """ + scenes = [] + animations = [] # unfortunately animations in gltf2 are just as 'root' as scenes. + for blender_scene in bpy.data.scenes: + scenes.append(__gather_scene(blender_scene, export_settings)) + animations += __gather_animations(blender_scene, export_settings) + + return scenes, animations + + +@cached +def __gather_scene(blender_scene, export_settings): + scene = gltf2_io.Scene( + extensions=None, + extras=__gather_extras(blender_scene, export_settings), + name=blender_scene.name, + nodes=[] + ) + + for blender_object in blender_scene.objects: + if blender_object.parent is None: + node = gltf2_blender_gather_nodes.gather_node(blender_object, export_settings) + if node is not None: + scene.nodes.append(node) + + return scene + + +def __gather_animations(blender_scene, export_settings): + animations = [] + for blender_object in blender_scene.objects: + animations += gltf2_blender_gather_animations.gather_animations(blender_object, export_settings) + return animations + + +def __gather_extras(blender_object, export_settings): + if export_settings[gltf2_blender_export_keys.EXTRAS]: + return gltf2_blender_generate_extras.generate_extras(blender_object) + return None + |