def test_get_rendering_styles_from_a_emission_bsdf(self):
obj = bpy.data.materials.new("Material")
obj.diffuse_color = [1, 1, 1, 1]
obj.use_nodes = True
node = obj.node_tree.nodes["Principled BSDF"]
obj.node_tree.nodes.remove(node)
node = obj.node_tree.nodes.new(type="ShaderNodeEmission")
node.inputs["Color"].default_value = [0.5, 0.5, 0.5, 0.5]
assert subject.get_surface_rendering_attributes(obj) == {
"SurfaceColour": {
"Name": None,
"Red": 1,
"Green": 1,
"Blue": 1,
},
"Transparency": 1,
"DiffuseColour": {
"Name": None,
"Red": 0.5,
"Green": 0.5,
"Blue": 0.5,
},
"SpecularHighlight": None,
"ReflectanceMethod": "FLAT",
}
def test_other_unsupported_bsdfs_copy_the_rendering_style_from_the_shading_colours_as_a_fallback(self):
obj = bpy.data.materials.new("Material")
obj.diffuse_color = [1, 1, 1, 1]
obj.use_nodes = True
node = obj.node_tree.nodes["Principled BSDF"]
obj.node_tree.nodes.remove(node)
node = obj.node_tree.nodes.new(type="ShaderNodeVolumePrincipled")
node.inputs["Color"].default_value = [0.5, 0.5, 0.5, 0.5]
assert subject.get_surface_rendering_attributes(obj) == {
"SurfaceColour": {
"Name": None,
"Red": 1,
"Green": 1,
"Blue": 1,
},
"Transparency": 1,
"DiffuseColour": {
"Name": None,
"Red": 1,
"Green": 1,
"Blue": 1,
},
"SpecularHighlight": None,
"ReflectanceMethod": "NOTDEFINED",
}
def test_get_different_surface_and_diffuse_colours_from_a_principled_bsdf(self):
obj = bpy.data.materials.new("Material")
obj.diffuse_color = [1, 1, 1, 1]
obj.use_nodes = True
node = obj.node_tree.nodes["Principled BSDF"]
node.inputs["Alpha"].default_value = 0.8
node.inputs["Base Color"].default_value = [0.5, 0.5, 0.5, 0.5]
node.inputs["Roughness"].default_value = 0.2
assert subject.get_surface_rendering_attributes(obj) == {
"SurfaceColour": {
"Name": None,
"Red": 1,
"Green": 1,
"Blue": 1,
},
"Transparency": 1 - node.inputs["Alpha"].default_value,
"DiffuseColour": {
"Name": None,
"Red": 0.5,
"Green": 0.5,
"Blue": 0.5,
},
"SpecularHighlight": {"IfcSpecularRoughness": 0.2},
"ReflectanceMethod": "NOTDEFINED",
}