diff options
Diffstat (limited to 'io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_sheen.py')
| -rw-r--r-- | io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_sheen.py | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_sheen.py b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_sheen.py new file mode 100644 index 00000000..aa5cef75 --- /dev/null +++ b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_sheen.py @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: Apache-2.0 +# Copyright 2018-2022 The glTF-Blender-IO authors. + +from ...io.com.gltf2_io import TextureInfo +from .gltf2_blender_texture import texture +from .gltf2_blender_image import BlenderImage +from ..exp.gltf2_blender_image import TmpImageGuard +import numpy as np +import bpy + +def sheen( mh, + location_sheenColor, + location_sheenRoughness, + sheenColor_socket, + sheenRoughness_socket + ): + + x_sheenColor, y_sheenColor = location_sheenColor + x_sheenRoughness, y_sheenRoughness = location_sheenRoughness + + try: + ext = mh.pymat.extensions['KHR_materials_sheen'] + except Exception: + return + + sheenColorFactor = ext.get('sheenColorFactor', [0.0, 0.0, 0.0]) + tex_info_color = ext.get('sheenColorTexture') + if tex_info_color is not None: + tex_info_color = TextureInfo.from_dict(tex_info_color) + + sheenRoughnessFactor = ext.get('sheenRoughnessFactor', 0.0) + tex_info_roughness = ext.get('sheenRoughnessTexture') + if tex_info_roughness is not None: + tex_info_roughness = TextureInfo.from_dict(tex_info_roughness) + + if tex_info_color is None: + sheenColorFactor.extend([1.0]) + sheenColor_socket.default_value = sheenColorFactor + else: + # Mix sheenColor factor + sheenColorFactor = sheenColorFactor + [1.0] + if sheenColorFactor != [1.0, 1.0, 1.0, 1.0]: + node = mh.node_tree.nodes.new('ShaderNodeMixRGB') + node.label = 'sheenColor Factor' + node.location = x_sheenColor - 140, y_sheenColor + node.blend_type = 'MULTIPLY' + # Outputs + mh.node_tree.links.new(sheenColor_socket, node.outputs[0]) + # Inputs + node.inputs['Fac'].default_value = 1.0 + sheenColor_socket = node.inputs['Color1'] + node.inputs['Color2'].default_value = sheenColorFactor + x_sheenColor -= 200 + + texture( + mh, + tex_info=tex_info_color, + label='SHEEN COLOR', + location=(x_sheenColor, y_sheenColor), + color_socket=sheenColor_socket + ) + + if tex_info_roughness is None: + sheenRoughness_socket.default_value = sheenRoughnessFactor + else: + # Mix sheenRoughness factor + if sheenRoughnessFactor != 1.0: + node = mh.node_tree.nodes.new('ShaderNodeMath') + node.label = 'shennRoughness Factor' + node.location = x_sheenRoughness - 140, y_sheenRoughness + node.operation = 'MULTIPLY' + # Outputs + mh.node_tree.links.new(sheenRoughness_socket, node.outputs[0]) + # Inputs + sheenRoughness_socket = node.inputs[0] + node.inputs[1].default_value = sheenRoughnessFactor + x_sheenRoughness -= 200 + + texture( + mh, + tex_info=tex_info_roughness, + label='SHEEN ROUGHNESS', + location=(x_sheenRoughness, y_sheenRoughness), + is_data=True, + color_socket=None, + alpha_socket=sheenRoughness_socket + ) + return
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