glTF exporter: fix UVMap export when ORM are using different maps
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ec4ad081e5
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9db2451888
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@ -15,7 +15,7 @@
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bl_info = {
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'name': 'glTF 2.0 format',
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'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
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"version": (1, 4, 28),
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"version": (1, 4, 29),
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'blender': (2, 90, 0),
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'location': 'File > Import-Export',
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'description': 'Import-Export as glTF 2.0',
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@ -146,7 +146,7 @@ def __gather_emissive_texture(blender_material, export_settings):
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emissive = gltf2_blender_get.get_socket(blender_material, "Emissive")
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if emissive is None:
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emissive = gltf2_blender_get.get_socket_old(blender_material, "Emissive")
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return gltf2_blender_gather_texture_info.gather_texture_info((emissive,), export_settings)
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return gltf2_blender_gather_texture_info.gather_texture_info(emissive, (emissive,), export_settings)
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def __gather_extensions(blender_material, export_settings):
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@ -187,6 +187,7 @@ def __gather_normal_texture(blender_material, export_settings):
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if normal is None:
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normal = gltf2_blender_get.get_socket_old(blender_material, "Normal")
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return gltf2_blender_gather_texture_info.gather_material_normal_texture_info_class(
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normal,
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(normal,),
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export_settings)
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@ -226,22 +227,19 @@ def __gather_orm_texture(blender_material, export_settings):
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return None
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# Double-check this will past the filter in texture_info
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info = gltf2_blender_gather_texture_info.gather_texture_info(result, export_settings)
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info = gltf2_blender_gather_texture_info.gather_texture_info(result[0], result, export_settings)
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if info is None:
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return None
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return result
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def __gather_occlusion_texture(blender_material, orm_texture, export_settings):
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if orm_texture is not None:
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return gltf2_blender_gather_texture_info.gather_material_occlusion_texture_info_class(
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orm_texture,
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export_settings)
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occlusion = gltf2_blender_get.get_socket(blender_material, "Occlusion")
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if occlusion is None:
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occlusion = gltf2_blender_get.get_socket_old(blender_material, "Occlusion")
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return gltf2_blender_gather_texture_info.gather_material_occlusion_texture_info_class(
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(occlusion,),
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occlusion,
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orm_texture or (occlusion,),
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export_settings)
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@ -297,14 +295,22 @@ def __gather_clearcoat_extension(blender_material, export_settings):
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clearcoat_roughness_slots = (clearcoat_roughness_socket,)
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if len(clearcoat_roughness_slots) > 0:
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combined_texture = gltf2_blender_gather_texture_info.gather_texture_info(clearcoat_roughness_slots, export_settings)
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if has_clearcoat_texture:
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clearcoat_extension['clearcoatTexture'] = combined_texture
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clearcoat_extension['clearcoatTexture'] = gltf2_blender_gather_texture_info.gather_texture_info(
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clearcoat_socket,
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clearcoat_roughness_slots,
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export_settings,
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)
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if has_clearcoat_roughness_texture:
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clearcoat_extension['clearcoatRoughnessTexture'] = combined_texture
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clearcoat_extension['clearcoatRoughnessTexture'] = gltf2_blender_gather_texture_info.gather_texture_info(
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clearcoat_roughness_socket,
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clearcoat_roughness_slots,
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export_settings,
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)
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if __has_image_node_from_socket(clearcoat_normal_socket):
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clearcoat_extension['clearcoatNormalTexture'] = gltf2_blender_gather_texture_info.gather_material_normal_texture_info_class(
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clearcoat_normal_socket,
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(clearcoat_normal_socket,),
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export_settings
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)
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@ -336,7 +342,11 @@ def __gather_transmission_extension(blender_material, export_settings):
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transmission_slots = (transmission_socket,)
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if len(transmission_slots) > 0:
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combined_texture = gltf2_blender_gather_texture_info.gather_texture_info(transmission_slots, export_settings)
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combined_texture = gltf2_blender_gather_texture_info.gather_texture_info(
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transmission_socket,
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transmission_slots,
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export_settings,
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)
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if has_transmission_texture:
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transmission_extension['transmissionTexture'] = combined_texture
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@ -90,7 +90,7 @@ def __gather_base_color_texture(blender_material, export_settings):
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else:
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inputs = (base_color_socket,)
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return gltf2_blender_gather_texture_info.gather_texture_info(inputs, export_settings)
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return gltf2_blender_gather_texture_info.gather_texture_info(base_color_socket, inputs, export_settings)
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def __gather_extensions(blender_material, export_settings):
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@ -115,28 +115,29 @@ def __gather_metallic_factor(blender_material, export_settings):
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def __gather_metallic_roughness_texture(blender_material, orm_texture, export_settings):
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if orm_texture is not None:
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texture_input = orm_texture
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metallic_socket = gltf2_blender_get.get_socket(blender_material, "Metallic")
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roughness_socket = gltf2_blender_get.get_socket(blender_material, "Roughness")
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hasMetal = metallic_socket is not None and __has_image_node_from_socket(metallic_socket)
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hasRough = roughness_socket is not None and __has_image_node_from_socket(roughness_socket)
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if not hasMetal and not hasRough:
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metallic_roughness = gltf2_blender_get.get_socket_old(blender_material, "MetallicRoughness")
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if metallic_roughness is None or not __has_image_node_from_socket(metallic_roughness):
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return None
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texture_input = (metallic_roughness,)
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elif not hasMetal:
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texture_input = (roughness_socket,)
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elif not hasRough:
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texture_input = (metallic_socket,)
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else:
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metallic_socket = gltf2_blender_get.get_socket(blender_material, "Metallic")
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roughness_socket = gltf2_blender_get.get_socket(blender_material, "Roughness")
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texture_input = (metallic_socket, roughness_socket)
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hasMetal = metallic_socket is not None and __has_image_node_from_socket(metallic_socket)
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hasRough = roughness_socket is not None and __has_image_node_from_socket(roughness_socket)
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if not hasMetal and not hasRough:
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metallic_roughness = gltf2_blender_get.get_socket_old(blender_material, "MetallicRoughness")
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if metallic_roughness is None or not __has_image_node_from_socket(metallic_roughness):
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return None
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texture_input = (metallic_roughness,)
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elif not hasMetal:
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texture_input = (roughness_socket,)
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elif not hasRough:
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texture_input = (metallic_socket,)
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else:
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texture_input = (metallic_socket, roughness_socket)
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return gltf2_blender_gather_texture_info.gather_texture_info(texture_input, export_settings)
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return gltf2_blender_gather_texture_info.gather_texture_info(
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texture_input[0],
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orm_texture or texture_input,
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export_settings,
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)
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def __gather_roughness_factor(blender_material, export_settings):
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@ -23,40 +23,46 @@ from io_scene_gltf2.io.com.gltf2_io_extensions import Extension
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from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
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def gather_texture_info(blender_shader_sockets, export_settings):
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return __gather_texture_info_helper(blender_shader_sockets, 'DEFAULT', export_settings)
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# blender_shader_sockets determine the texture and primary_socket determines
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# the textranform and UVMap. Ex: when combining an ORM texture, for
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# occlusion the primary_socket would be the occlusion socket, and
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# blender_shader_sockets would be the (O,R,M) sockets.
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def gather_material_normal_texture_info_class(blender_shader_sockets, export_settings):
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return __gather_texture_info_helper(blender_shader_sockets, 'NORMAL', export_settings)
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def gather_texture_info(primary_socket, blender_shader_sockets, export_settings):
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return __gather_texture_info_helper(primary_socket, blender_shader_sockets, 'DEFAULT', export_settings)
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def gather_material_occlusion_texture_info_class(blender_shader_sockets, export_settings):
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return __gather_texture_info_helper(blender_shader_sockets, 'OCCLUSION', export_settings)
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def gather_material_normal_texture_info_class(primary_socket, blender_shader_sockets, export_settings):
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return __gather_texture_info_helper(primary_socket, blender_shader_sockets, 'NORMAL', export_settings)
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def gather_material_occlusion_texture_info_class(primary_socket, blender_shader_sockets, export_settings):
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return __gather_texture_info_helper(primary_socket, blender_shader_sockets, 'OCCLUSION', export_settings)
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@cached
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def __gather_texture_info_helper(
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primary_socket: bpy.types.NodeSocket,
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blender_shader_sockets: typing.Tuple[bpy.types.NodeSocket],
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kind: str,
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export_settings):
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if not __filter_texture_info(blender_shader_sockets, export_settings):
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if not __filter_texture_info(primary_socket, blender_shader_sockets, export_settings):
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return None
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fields = {
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'extensions': __gather_extensions(blender_shader_sockets, export_settings),
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'extensions': __gather_extensions(primary_socket, export_settings),
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'extras': __gather_extras(blender_shader_sockets, export_settings),
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'index': __gather_index(blender_shader_sockets, export_settings),
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'tex_coord': __gather_tex_coord(blender_shader_sockets, export_settings),
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'tex_coord': __gather_tex_coord(primary_socket, export_settings),
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}
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if kind == 'DEFAULT':
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texture_info = gltf2_io.TextureInfo(**fields)
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elif kind == 'NORMAL':
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fields['scale'] = __gather_normal_scale(blender_shader_sockets, export_settings)
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fields['scale'] = __gather_normal_scale(primary_socket, export_settings)
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texture_info = gltf2_io.MaterialNormalTextureInfoClass(**fields)
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elif kind == 'OCCLUSION':
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fields['strength'] = __gather_occlusion_strength(blender_shader_sockets, export_settings)
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fields['strength'] = __gather_occlusion_strength(primary_socket, export_settings)
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texture_info = gltf2_io.MaterialOcclusionTextureInfoClass(**fields)
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if texture_info.index is None:
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@ -67,7 +73,11 @@ def __gather_texture_info_helper(
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return texture_info
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def __filter_texture_info(blender_shader_sockets, export_settings):
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def __filter_texture_info(primary_socket, blender_shader_sockets, export_settings):
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if primary_socket is None:
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return False
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if __get_tex_from_socket(primary_socket) is None:
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return False
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if not blender_shader_sockets:
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return False
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if not all([elem is not None for elem in blender_shader_sockets]):
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@ -79,12 +89,11 @@ def __filter_texture_info(blender_shader_sockets, export_settings):
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return True
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def __gather_extensions(blender_shader_sockets, export_settings):
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if not hasattr(blender_shader_sockets[0], 'links'):
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def __gather_extensions(primary_socket, export_settings):
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if not hasattr(primary_socket, 'links'):
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return None
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tex_nodes = [__get_tex_from_socket(socket).shader_node for socket in blender_shader_sockets]
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texture_node = tex_nodes[0] if (tex_nodes is not None and len(tex_nodes) > 0) else None
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texture_node = __get_tex_from_socket(primary_socket).shader_node
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if texture_node is None:
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return None
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texture_transform = gltf2_blender_get.get_texture_transform_from_texture_node(texture_node)
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@ -100,9 +109,9 @@ def __gather_extras(blender_shader_sockets, export_settings):
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# MaterialNormalTextureInfo only
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def __gather_normal_scale(blender_shader_sockets, export_settings):
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def __gather_normal_scale(primary_socket, export_settings):
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result = gltf2_blender_search_node_tree.from_socket(
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blender_shader_sockets[0],
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primary_socket,
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gltf2_blender_search_node_tree.FilterByType(bpy.types.ShaderNodeNormalMap))
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if not result:
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return None
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@ -113,7 +122,7 @@ def __gather_normal_scale(blender_shader_sockets, export_settings):
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# MaterialOcclusionTextureInfo only
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def __gather_occlusion_strength(blender_shader_sockets, export_settings):
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def __gather_occlusion_strength(primary_socket, export_settings):
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return None
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@ -122,8 +131,8 @@ def __gather_index(blender_shader_sockets, export_settings):
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return gltf2_blender_gather_texture.gather_texture(blender_shader_sockets, export_settings)
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def __gather_tex_coord(blender_shader_sockets, export_settings):
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blender_shader_node = __get_tex_from_socket(blender_shader_sockets[0]).shader_node
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def __gather_tex_coord(primary_socket, export_settings):
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blender_shader_node = __get_tex_from_socket(primary_socket).shader_node
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if len(blender_shader_node.inputs['Vector'].links) == 0:
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return 0
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