def test_create_materials(self):
not_a_mesh = Object()
mesh_with_0_mat = Object()
mesh_with_1_mat = Object()
mesh_with_2_mat = Object()
mesh_with_0_mat.data = Mesh()
mesh_with_1_mat.data = Mesh()
mesh_with_2_mat.data = Mesh()
material = Material()
material.name = "material"
material.diffuse_color = [1.0, 1.0, 1.0, 1.0]
mesh_with_0_mat.data.materials = []
mesh_with_1_mat.data.materials = [material] * 1
mesh_with_2_mat.data.materials = [material] * 2
exporter = Exporter()
exporter.create_materials(
[not_a_mesh, mesh_with_0_mat, mesh_with_1_mat, mesh_with_2_mat])
self.assertEqual(len(exporter.names), 4)
self.assertEqual(len(exporter.materials), 4)
self.assertEqual(exporter.materials[0],
exporter.get_default_material())
self.assertEqual(not_a_mesh.data in exporter.materials_by_mesh, False)
self.assertEqual(len(exporter.materials_by_mesh[mesh_with_0_mat.data]),
0)
self.assertEqual(len(exporter.materials_by_mesh[mesh_with_1_mat.data]),
1)
self.assertEqual(len(exporter.materials_by_mesh[mesh_with_2_mat.data]),
2)
def create_entity_alphatest_one_sided_node_group(material: Material,
is_first: bool) -> NodeTree:
'''
Creates a node group for entity alphatest one sided material if it
doesn't exist already, otherwise it returns existing node group.
'''
if is_first:
material.blend_method = 'CLIP'
material.use_backface_culling = True
try:
return bpy.data.node_groups['entity_alphatest_one_sided']
except: # pylint: disable=bare-except
pass
group, inputs, outputs = _create_node_group_defaults(
'entity_alphatest_one_sided')
# In: Color-> Out: Color
group.links.new(outputs.inputs[0], inputs.outputs[0])
# In: Alpha -> Math[ADD] -> Math[FLOOR] -> Out: Alpha
math_node = group.nodes.new('ShaderNodeMath')
math_node.operation = 'GREATER_THAN'
math_node.location = (1 * PADDING, -1 * PADDING)
group.links.new(math_node.inputs[0], inputs.outputs[1])
group.links.new(outputs.inputs[1], math_node.outputs[0])
# RGB (black) -> Out: Emission
rgb_node = group.nodes.new("ShaderNodeRGB")
rgb_node.outputs['Color'].default_value = (0, 0, 0, 1) # black
rgb_node.location = (2 * PADDING, -2 * PADDING)
group.links.new(outputs.inputs[2], rgb_node.outputs[0])
return group
def test_create_shapes(self):
obj = Object()
mesh = Mesh()
mesh.name = "mesh"
obj.data = mesh
mat_red = Material()
mat_red.name = "red"
mat_red.diffuse_color = [1.0, 0.0, 0.0, 1.0]
mesh.materials = [mat_red]
vertex = MeshVertex()
vertex.co = [0.0, 0.0, 0.0]
mesh.vertices = [vertex] * 3
uv_loop = MeshUVLoop()
uv_loop.uv = [0.5, 0.5]
uv_loop_layer = MeshUVLoopLayer()
uv_loop_layer.data = [uv_loop] * 3
mesh.uv_layers = [uv_loop_layer]
loop = MeshLoop()
loop.normal = [1.0, 2.0, 3.0]
mesh.loops = [loop] * 3
tri_red = MeshLoopTriangle()
tri_red.vertices = [0, 1, 2]
tri_red.loops = [0, 1, 2]
tri_red.material_index = 0
mesh.loop_triangles = [tri_red]
exporter = Exporter()
exporter.create_materials([obj])
exporter.create_vertex_groups([obj])
exporter.create_vector_groups([obj])
exporter.create_st_groups([obj])
exporter.create_tri_groups([obj])
exporter.create_parts([obj])
exporter.create_shapes([obj])
self.assertEqual(exporter.shapes[0].shape_tri_link,
exporter.tri_groups[0].this_tri_group_index)
self.assertEqual(exporter.shapes[0].shape_mat_link,
exporter.get_default_material().this_mat_index)
self.assertEqual(exporter.shapes[0].shape_part_num, 1)
self.assertEqual(exporter.shape_by_mesh[mesh], exporter.shapes[0])
def create_entity_emissive_alpha_node_group(material: Material,
is_first: bool) -> NodeTree:
'''
Creates a node group for entity emissive alpha material if it doesn't exist
already, otherwise it returns existing node group.
'''
if is_first:
material.blend_method = 'CLIP'
try:
return bpy.data.node_groups['entity_emissive_alpha']
except: # pylint: disable=bare-except
pass
group, inputs, outputs = _create_node_group_defaults(
'entity_emissive_alpha')
# In: Color-> Out: Color
group.links.new(outputs.inputs[0], inputs.outputs[0])
# In: Alpha -> MATH[CEIL] -> Out: Alpha
math_3_node = group.nodes.new('ShaderNodeMath')
math_3_node.operation = 'CEIL'
math_3_node.location = (2 * PADDING, -1 * PADDING)
group.links.new(math_3_node.inputs[0], inputs.outputs[1])
group.links.new(outputs.inputs[1], math_3_node.outputs[0])
# In: Color -> ... -> ... -> Vector[MULTIPLY][0] -> Out: Emission
vector_node = group.nodes.new('ShaderNodeVectorMath')
vector_node.operation = 'MULTIPLY'
vector_node.location = (3 * PADDING, -2 * PADDING)
group.links.new(vector_node.inputs[0], inputs.outputs[0])
group.links.new(outputs.inputs[2], vector_node.outputs[0])
# In: Alpha -> Math[MULTIPLY] -> Math[SUBTRACT][1] -> Vector[MULTIPLY][1]
math_1_node = group.nodes.new('ShaderNodeMath')
math_1_node.operation = 'MULTIPLY'
math_1_node.location = (1 * PADDING, -2 * PADDING)
math_2_node = group.nodes.new('ShaderNodeMath')
math_2_node.operation = 'SUBTRACT'
math_2_node.use_clamp = True
math_2_node.location = (2 * PADDING, -2 * PADDING)
group.links.new(math_1_node.inputs[0], inputs.outputs[1])
group.links.new(math_2_node.inputs[1], math_1_node.outputs[0])
group.links.new(vector_node.inputs[1], math_2_node.outputs[0])
return group
def test_create_textures(self):
image = Image()
image.filepath = "//test/image/path.png"
image.library = "//test/image/library"
node = ShaderNodeTexImage()
node.image = image
material = Material()
material.name = "material"
material.diffuse_color = [1.0, 1.0, 1.0, 1.0]
material.use_nodes = True
material.node_tree = NodeTree()
material.node_tree.nodes = [node]
mesh = Mesh()
mesh.materials = [material]
obj = Object()
obj.data = mesh
bpy.path.abspath = Mock(return_value=image.filepath)
bpy.path.display_name_from_filepath = Mock(return_value="texture")
reader = Mock()
reader.read = Mock(return_value=[12, 34, [[0x05, 0x06], [0x07, 0x08]]])
png.Reader = Mock(return_value=reader)
exporter = Exporter()
exporter.create_textures([obj])
bpy.path.abspath.assert_called_once_with(
"//test/image/path.png", library="//test/image/library")
bpy.path.display_name_from_filepath.assert_called_once_with(
"//test/image/path.png")
png.Reader.assert_called_once_with("//test/image/path.png")
reader.read.assert_called_once()
self.assertEqual(exporter.names[0].node_name, "texture.tex")
self.assertEqual(exporter.tex_images[0].tex_img_data, [5, 6, 7, 8])
self.assertEqual(exporter.textures[0].tex_img_width, 12)
self.assertEqual(exporter.textures[0].tex_img_height, 34)
def test_create_objects(self):
obj = Object()
obj.name = "obj"
mesh = Mesh()
mesh.name = "mesh"
obj.data = mesh
obj.location = [1.0, 2.0, 3.0]
obj.rotation_euler = [4.0, 5.0, 6.0]
obj.scale = [7.0, 8.0, 9.0]
mat_red = Material()
mat_red.name = "red"
mat_red.diffuse_color = [1.0, 0.0, 0.0, 1.0]
mesh.materials = [mat_red]
vertex = MeshVertex()
vertex.co = [0.0, 0.0, 0.0]
mesh.vertices = [vertex] * 3
uv_loop = MeshUVLoop()
uv_loop.uv = [0.5, 0.5]
uv_loop_layer = MeshUVLoopLayer()
uv_loop_layer.data = [uv_loop] * 3
mesh.uv_layers = [uv_loop_layer]
loop = MeshLoop()
loop.normal = [1.0, 2.0, 3.0]
mesh.loops = [loop] * 3
tri_red = MeshLoopTriangle()
tri_red.vertices = [0, 1, 2]
tri_red.loops = [0, 1, 2]
tri_red.material_index = 0
mesh.loop_triangles = [tri_red]
exporter = Exporter()
exporter.create_materials([obj])
exporter.create_vertex_groups([obj])
exporter.create_vector_groups([obj])
exporter.create_st_groups([obj])
exporter.create_tri_groups([obj])
exporter.create_parts([obj])
exporter.create_shapes([obj])
exporter.create_anim_groups([obj])
exporter.create_objects([obj])
self.assertEqual(exporter.objs[0].obj_shape_link,
exporter.shapes[0].this_shape_index)
self.assertEqual(exporter.objs[0].obj_mat_link,
exporter.materials[0].this_mat_index)
self.assertEqual(exporter.objs[0].obj_anim_link,
exporter.anim_groups[0].this_anim_group_index)
self.assertEqual(exporter.objs[0].obj_shape_link,
exporter.shape_by_mesh[mesh].this_shape_index)
self.assertEqual(exporter.objs[0].obj_mat_link,
exporter.get_default_material().this_mat_index)
self.assertEqual(
exporter.objs[0].obj_anim_link,
exporter.anim_group_by_mesh[mesh].this_anim_group_index)
def test_create_parts(self):
obj = Object()
mesh = Mesh()
mesh.name = "mesh"
obj.data = mesh
mat_red = Material()
mat_red.name = "red"
mat_red.diffuse_color = [1.0, 0.0, 0.0, 1.0]
mat_green = Material()
mat_green.name = "green"
mat_green.diffuse_color = [0.0, 1.0, 0.0, 1.0]
mat_blue = Material()
mat_blue.name = "blue"
mat_blue.diffuse_color = [0.0, 0.0, 1.0, 1.0]
mesh.materials = [mat_red, mat_green, mat_blue]
vertex = MeshVertex()
vertex.co = [0.0, 0.0, 0.0]
mesh.vertices = [vertex] * 9
uv_loop = MeshUVLoop()
uv_loop.uv = [0.5, 0.5]
uv_loop_layer = MeshUVLoopLayer()
uv_loop_layer.data = [uv_loop] * 3
mesh.uv_layers = [uv_loop_layer]
loop = MeshLoop()
loop.normal = [1.0, 2.0, 3.0]
mesh.loops = [loop] * 3
tri_red = MeshLoopTriangle()
tri_red.vertices = [0, 1, 2]
tri_red.loops = [0, 1, 2]
tri_red.material_index = 0
tri_green = MeshLoopTriangle()
tri_green.vertices = [3, 4, 5]
tri_green.loops = [0, 1, 2]
tri_green.material_index = 1
tri_blue = MeshLoopTriangle()
tri_blue.vertices = [6, 7, 8]
tri_blue.loops = [0, 1, 2]
tri_blue.material_index = 2
mesh.loop_triangles = [tri_red, tri_green, tri_blue]
exporter = Exporter()
exporter.create_materials([obj])
exporter.create_vertex_groups([obj])
exporter.create_vector_groups([obj])
exporter.create_st_groups([obj])
exporter.create_tri_groups([obj])
exporter.create_parts([obj])
self.assertEqual(exporter.parts[0].mat_index,
exporter.materials[1].this_mat_index)
self.assertEqual(exporter.parts[1].mat_index,
exporter.materials[2].this_mat_index)
self.assertEqual(exporter.parts[2].mat_index,
exporter.materials[3].this_mat_index)
self.assertEqual(exporter.parts[0].tri_indices,
[exporter.tri_groups[0].tris[0].this_tri_index])
self.assertEqual(exporter.parts[1].tri_indices,
[exporter.tri_groups[0].tris[1].this_tri_index])
self.assertEqual(exporter.parts[2].tri_indices,
[exporter.tri_groups[0].tris[2].this_tri_index])
self.assertEqual(exporter.parts_by_mesh[mesh], exporter.parts)