Initial commit of glTF 2.0 importer/exporter

Official Khronos Group Blender glTF 2.0 importer and exporter.

glTF specification: https://github.com/KhronosGroup/glTF
The upstream repository can be found here:
https://github.com/KhronosGroup/glTF-Blender-IO

Reviewed By: Bastien, Campbell

Differential Revision: https://developer.blender.org/D3929

1 files changed, 41 insertions, 0 deletions

diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_map_occlusion.py b/io_scene_gltf2/blender/imp/gltf2_blender_map_occlusion.py
new file mode 100755
index 00000000..5c41ce9e
--- /dev/null
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_map_occlusion.py
@@ -0,0 +1,41 @@
+# 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 .gltf2_blender_texture import BlenderTextureInfo
+
+
+class BlenderOcclusionMap():
+    """Blender Occlusion map."""
+    def __new__(cls, *args, **kwargs):
+        raise RuntimeError("%s should not be instantiated" % cls)
+
+    @staticmethod
+    def create(gltf, material_idx):
+        """Occlusion map creation."""
+        engine = bpy.context.scene.render.engine
+        if engine in ['CYCLES', 'BLENDER_EEVEE']:
+            BlenderOcclusionMap.create_nodetree(gltf, material_idx)
+
+    def create_nodetree(gltf, material_idx):
+        """Nodetree creation."""
+        pymaterial = gltf.data.materials[material_idx]
+
+        BlenderTextureInfo.create(gltf, pymaterial.occlusion_texture.index)
+
+        # Pack texture, but doesn't use it for now. Occlusion is calculated from Cycles.
+        bpy.data.images[gltf.data.images[gltf.data.textures[
+            pymaterial.occlusion_texture.index
+        ].source].blender_image_name].use_fake_user = True
+