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blender-archive/tests/python/modifiers.py
Campbell Barton 3ca76ae0e8 Cleanup: remove "<pep8 compliant>" from headers
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Also remove note in best practices page & update `tests/python/pep8.py`.

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Ref T98554
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347 lines
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Python

# SPDX-License-Identifier: GPL-2.0-or-later
import math
import os
import sys
from random import shuffle, seed
import bpy
sys.path.append(os.path.dirname(os.path.realpath(__file__)))
from modules.mesh_test import RunTest, ModifierSpec, SpecMeshTest
seed(0)
def get_generate_modifiers_list(test_object_name, randomize=False):
"""
Construct a list of 'Generate' modifiers with default parameters.
:param test_object_name: str - name of test object. Some modifiers like boolean need an extra parameter beside
the default one. E.g. boolean needs object, mask needs vertex group etc...
The extra parameter name will be <test_object_name>_<modifier_type>
:param randomize: bool - if True shuffle the list of modifiers.
:return: list of 'Generate' modifiers with default parameters.
"""
boolean_test_object = bpy.data.objects[test_object_name + "_boolean"]
generate_modifiers = [
ModifierSpec('array', 'ARRAY', {}),
ModifierSpec('bevel', 'BEVEL', {'width': 0.1, 'limit_method': 'NONE'}),
ModifierSpec('boolean', 'BOOLEAN', {'object': boolean_test_object, 'solver': 'FAST'}),
ModifierSpec('build', 'BUILD', {'frame_start': 1, 'frame_duration': 1}, 2),
ModifierSpec('decimate', 'DECIMATE', {}),
ModifierSpec('edge split', 'EDGE_SPLIT', {}),
# mask can effectively delete the mesh since the vertex group need to be updated after each
# applied modifier. Needs to be tested separately.
# ModifierSpec('mask', 'MASK', {'vertex_group': mask_vertex_group}, False),
ModifierSpec('mirror', 'MIRROR', {}),
ModifierSpec('multires', 'MULTIRES', {}),
# remesh can also generate an empty mesh. Skip.
# ModifierSpec('remesh', 'REMESH', {}),
# ModifierSpec('screw', 'SCREW', {}), # screw can make the test very slow. Skipping for now.
ModifierSpec('solidify', 'SOLIDIFY', {}),
# Opensubdiv results might differ slightly when compiled with different optimization flags.
#ModifierSpec('subsurf', 'SUBSURF', {}),
ModifierSpec('triangulate', 'TRIANGULATE', {}),
ModifierSpec('wireframe', 'WIREFRAME', {})
]
if randomize:
shuffle(generate_modifiers)
return generate_modifiers
def main():
mask_first_list = get_generate_modifiers_list("testCubeMaskFirst", randomize=True)
mask_vertex_group = "testCubeMaskFirst" + "_mask"
mask_first_list.insert(0, ModifierSpec('mask', 'MASK', {'vertex_group': mask_vertex_group}))
tests = [
###############################
# List of 'Generate' modifiers on a cube
###############################
# 0
# SpecMeshTest("testCube", "expectedCube", get_generate_modifiers_list("testCube")),
SpecMeshTest("CubeRandom", "testCubeRandom", "expectedCubeRandom",
get_generate_modifiers_list("testCubeRandom", randomize=True)),
SpecMeshTest("CubeMaskFirst", "testCubeMaskFirst", "expectedCubeMaskFirst", mask_first_list),
SpecMeshTest("CollapseDecimate", "testCollapseDecimate", "expectedCollapseDecimate",
[ModifierSpec('decimate', 'DECIMATE',
{'decimate_type': 'COLLAPSE', 'ratio': 0.25, 'use_collapse_triangulate': True})]),
SpecMeshTest("PlanarDecimate", "testPlanarDecimate", "expectedPlanarDecimate",
[ModifierSpec('decimate', 'DECIMATE',
{'decimate_type': 'DISSOLVE', 'angle_limit': math.radians(30)})]),
SpecMeshTest("UnsubdivideDecimate", "testUnsubdivideDecimate", "expectedUnsubdivideDecimate",
[ModifierSpec('decimate', 'DECIMATE', {'decimate_type': 'UNSUBDIV', 'iterations': 2})]),
# 5
SpecMeshTest("RadialBisectMirror", "testRadialBisectMirror", "expectedRadialBisectMirror",
[ModifierSpec('mirror1', 'MIRROR', {'use_bisect_axis': (True, False, False)}),
ModifierSpec('mirror2', 'MIRROR', {'use_bisect_axis': (True, False, False),
'mirror_object': bpy.data.objects[
"testRadialBisectMirrorHelper"]}),
ModifierSpec('mirror3', 'MIRROR',
{'use_axis': (False, True, False), 'use_bisect_axis': (False, True, False),
'use_bisect_flip_axis': (False, True, False),
'mirror_object': bpy.data.objects["testRadialBisectMirrorHelper"]})]),
SpecMeshTest("T58411Mirror", "regressT58411Mirror", "expectedT58411Mirror",
[ModifierSpec('mirror', 'MIRROR', {}),
ModifierSpec('bevel', 'BEVEL', {'segments': 2, 'limit_method': 'WEIGHT'}),
ModifierSpec('subd', 'SUBSURF', {'levels': 1})]),
SpecMeshTest("BasicScrew", "testBasicScrew", "expectedBasicScrew",
[ModifierSpec('mirror', 'MIRROR', {'mirror_object': bpy.data.objects["testBasicScrewHelper"]}),
ModifierSpec("screw", 'SCREW',
{'angle': math.radians(400), 'steps': 20, 'iterations': 2, 'screw_offset': 2,
'use_normal_calculate': True})]),
SpecMeshTest("ObjectScrew", "testObjectScrew", "expectedObjectScrew",
[ModifierSpec('mirror', 'MIRROR', {'mirror_object': bpy.data.objects["testObjectScrewHelper2"]}),
ModifierSpec("screw", 'SCREW',
{"angle": math.radians(600), 'steps': 32, 'iterations': 1,
'use_object_screw_offset': True,
'use_normal_calculate': True, 'object': bpy.data.objects["testObjectScrewHelper1"]})]),
# 9
SpecMeshTest("MergedScrewWeld", "testMergedScrewWeld", "expectedMergedScrewWeld",
[ModifierSpec("screw", 'SCREW',
{'angle': math.radians(360), 'steps': 12, 'iterations': 1, 'screw_offset': 1,
'use_normal_calculate': True, 'use_merge_vertices': True}),
ModifierSpec("weld", 'WELD', {"merge_threshold": 0.001})]),
SpecMeshTest("T72380Weld", "regressT72380Weld", "expectedT72380Weld",
[ModifierSpec('vedit', 'VERTEX_WEIGHT_EDIT',
{'vertex_group': 'Group', 'use_remove': True, 'remove_threshold': 1}),
ModifierSpec("weld", 'WELD', {"merge_threshold": 0.2, "vertex_group": "Group"})]),
SpecMeshTest("T72792Weld", "regressT72792Weld", "expectedT72792Weld",
[ModifierSpec('array', 'ARRAY', {'fit_type': 'FIXED_COUNT', 'count': 2}),
ModifierSpec("weld", 'WELD', {"merge_threshold": 0.1, "vertex_group": "Group"})]),
############################################
# One 'Generate' modifier on primitive meshes
#############################################
# 12
SpecMeshTest("CubeArray", "testCubeArray", "expectedCubeArray",
[ModifierSpec('array', 'ARRAY', {})]),
SpecMeshTest("CapArray", "testCapArray", "expectedCapArray",
[ModifierSpec('array', 'ARRAY',
{'fit_type': 'FIT_LENGTH', 'fit_length': 2.0,
'start_cap': bpy.data.objects["testCapStart"],
'end_cap': bpy.data.objects["testCapEnd"]})]),
SpecMeshTest("CurveArray", "testCurveArray", "expectedCurveArray",
[ModifierSpec('array', 'ARRAY',
{'fit_type': 'FIT_CURVE', 'curve': bpy.data.objects["testCurveArrayHelper"],
'use_relative_offset': False, 'use_constant_offset': True,
'constant_offset_displace': (0.5, 0, 0)})]),
SpecMeshTest("RadialArray", "testRadialArray", "expectedRadialArray",
[ModifierSpec('array', 'ARRAY', {'fit_type': 'FIXED_COUNT', 'count': 3, 'use_merge_vertices': True,
'use_merge_vertices_cap': True, 'use_relative_offset': False,
'use_object_offset': True,
'offset_object': bpy.data.objects["testRadialArrayHelper"]})]),
SpecMeshTest("CylinderBuild", "testCylinderBuild", "expectedCylinderBuild",
[ModifierSpec('build', 'BUILD', {'frame_start': 1, 'frame_duration': 1}, 2)]),
# 17
SpecMeshTest("ConeDecimate", "testConeDecimate", "expectedConeDecimate",
[ModifierSpec('decimate', 'DECIMATE', {'ratio': 0.5})]),
SpecMeshTest("CubeEdgeSplit", "testCubeEdgeSplit", "expectedCubeEdgeSplit",
[ModifierSpec('edge split', 'EDGE_SPLIT', {})]),
SpecMeshTest("SphereMirror", "testSphereMirror", "expectedSphereMirror",
[ModifierSpec('mirror', 'MIRROR', {})]),
SpecMeshTest("LocalMirror", "testLocalMirror", "expectedLocalMirror",
[ModifierSpec('mirror', 'MIRROR', {'use_clip': True})]),
SpecMeshTest("ObjectOffsetMirror", "testObjectOffsetMirror", "expectedObjectOffsetMirror",
[ModifierSpec('mirror', 'MIRROR',
{'mirror_object': bpy.data.objects["testObjectOffsetMirrorHelper"]})]),
SpecMeshTest("CylinderMask", "testCylinderMask", "expectedCylinderMask",
[ModifierSpec('mask', 'MASK', {'vertex_group': "mask_vertex_group"})]),
SpecMeshTest("ConeMultiRes", "testConeMultiRes", "expectedConeMultiRes",
[ModifierSpec('multires', 'MULTIRES', {})]),
# 24
SpecMeshTest("CubeScrew", "testCubeScrew", "expectedCubeScrew",
[ModifierSpec('screw', 'SCREW', {})]),
SpecMeshTest("CubeSolidify", "testCubeSolidify", "expectedCubeSolidify",
[ModifierSpec('solidify', 'SOLIDIFY', {})]),
SpecMeshTest("ComplexSolidify", "testComplexSolidify", "expectedComplexSolidify",
[ModifierSpec('solidify', 'SOLIDIFY', {'solidify_mode': 'NON_MANIFOLD', 'thickness': 0.05, 'offset': 0,
'nonmanifold_thickness_mode': 'CONSTRAINTS'})]),
SpecMeshTest("T63063Solidify", "regressT63063Solidify", "expectedT63063Solidify",
[ModifierSpec('solid', 'SOLIDIFY', {'thickness': 0.1, 'offset': 0.7})]),
SpecMeshTest("T61979Solidify", "regressT61979Solidify", "expectedT61979Solidify",
[ModifierSpec('solid', 'SOLIDIFY',
{'thickness': -0.25, 'use_even_offset': True, 'use_quality_normals': True})]),
SpecMeshTest("MonkeySubsurf", "testMonkeySubsurf", "expectedMonkeySubsurf",
[ModifierSpec('subsurf', 'SUBSURF', {})]),
SpecMeshTest("CatmullClarkSubdivisionSurface", "testCatmullClarkSubdivisionSurface",
"expectedCatmullClarkSubdivisionSurface",
[ModifierSpec("subdivision", 'SUBSURF', {"levels": 2})]),
SpecMeshTest("SimpleSubdivisionSurface", "testSimpleSubdivisionSurface", "expectedSimpleSubdivisionSurface",
[ModifierSpec("subdivision", 'SUBSURF', {"levels": 2, 'subdivision_type': 'SIMPLE'})]),
SpecMeshTest("Crease2dSubdivisionSurface", "testCrease2dSubdivisionSurface", "expectedCrease2dSubdivisionSurface",
[ModifierSpec("subdivision", 'SUBSURF', {"levels": 2})]),
SpecMeshTest("Crease3dSubdivisionSurface", "testCrease3dSubdivisionSurface", "expectedCrease3dSubdivisionSurface",
[ModifierSpec("subdivision", 'SUBSURF', {"levels": 2})]),
# 34
SpecMeshTest("SphereTriangulate", "testSphereTriangulate", "expectedSphereTriangulate",
[ModifierSpec('triangulate', 'TRIANGULATE', {})]),
SpecMeshTest("MonkeyWireframe", "testMonkeyWireframe", "expectedMonkeyWireframe",
[ModifierSpec('wireframe', 'WIREFRAME', {})]),
# Duplicate the object, test object and expected object have same world coordinates.
SpecMeshTest("Skin", "testObjPlaneSkin", "expObjPlaneSkin",
[ModifierSpec('skin', 'SKIN', {})]),
SpecMeshTest("MergedWeld", "testMergedWeld", "expectedMergedWeld",
[ModifierSpec("weld", 'WELD', {"merge_threshold": 0.021})]),
SpecMeshTest("MergedAllWeld", "testMergedAllWeld", "expectedMergedAllWeld",
[ModifierSpec("weld", 'WELD', {"merge_threshold": 1.8})]),
SpecMeshTest("MergedNoneWeld", "testMergedNoneWeld", "expectedMergedNoneWeld",
[ModifierSpec("weld", 'WELD', {"merge_threshold": 0.019})]),
#############################################
# One 'Deform' modifier on primitive meshes
#############################################
# 39
SpecMeshTest("MonkeyArmature", "testMonkeyArmature", "expectedMonkeyArmature",
[ModifierSpec('armature', 'ARMATURE',
{'object': bpy.data.objects['testArmature'], 'use_vertex_groups': True})]),
SpecMeshTest("TorusCast", "testTorusCast", "expectedTorusCast",
[ModifierSpec('cast', 'CAST', {'factor': 2.64})]),
SpecMeshTest("CubeCurve", "testCubeCurve", "expectedCubeCurve",
[ModifierSpec('curve', 'CURVE', {'object': bpy.data.objects['testBezierCurve']})]),
SpecMeshTest("MonkeyDisplace", "testMonkeyDisplace", "expectedMonkeyDisplace",
[ModifierSpec('displace', "DISPLACE", {})]),
# Hook modifier requires moving the hook object to get a mesh change
# so can't test it with the current framework
# SpecMeshTest("MonkeyHook", "testMonkeyHook", "expectedMonkeyHook",
# [ModifierSpec('hook', 'HOOK', {'object': bpy.data.objects["EmptyHook"], 'vertex_group':
# "HookVertexGroup"})]),
# 43
# ModifierSpec('laplacian_deform', 'LAPLACIANDEFORM', {}) Laplacian requires a more complex mesh
SpecMeshTest("CubeLattice", "testCubeLattice", "expectedCubeLattice",
[ModifierSpec('lattice', 'LATTICE', {'object': bpy.data.objects["testLattice"]})]),
SpecMeshTest("PlaneShrinkWrap", "testPlaneShrinkWrap", "expectedPlaneShrinkWrap",
[ModifierSpec('shrinkwrap', 'SHRINKWRAP',
{'target': bpy.data.objects["testCubeWrap"], 'offset': 0.5})]),
SpecMeshTest("CylinderSimpleDeform", "testCylinderSimpleDeform", "expectedCylinderSimpleDeform",
[ModifierSpec('simple_deform', 'SIMPLE_DEFORM', {'angle': math.radians(180), 'deform_axis': 'Z'})]),
SpecMeshTest("PlaneSmooth", "testPlaneSmooth", "expectedPlaneSmooth",
[ModifierSpec('smooth', 'SMOOTH', {'iterations': 11})]),
# Smooth corrective requires a complex mesh.
SpecMeshTest("BalloonLaplacianSmooth", "testBalloonLaplacianSmooth", "expectedBalloonLaplacianSmooth",
[ModifierSpec('laplaciansmooth', 'LAPLACIANSMOOTH', {'lambda_factor': 12, 'lambda_border': 12})]),
# Gets updated often
SpecMeshTest("WavePlane", "testObjPlaneWave", "expObjPlaneWave",
[ModifierSpec('wave', 'WAVE', {})]),
#############################################
# CURVES Generate Modifiers
#############################################
# Caution: Make sure test object has no modifier in "added" state, the test may fail.
SpecMeshTest("BezCurveArray", "testObjBezierCurveArray", "expObjBezierCurveArray",
[ModifierSpec('array', 'ARRAY', {})]),
SpecMeshTest("CurveBevel", "testObjBezierCurveBevel", "expObjBezierCurveBevel",
[ModifierSpec('bevel', 'BEVEL', {'limit_method': 'NONE'})]),
SpecMeshTest("CurveBuild", "testObjBezierCurveBuild", "expObjBezierCurveBuild",
[ModifierSpec('build', 'BUILD', {'frame_start': 1, 'frame_duration': 1}, 2)]),
SpecMeshTest("CurveDecimate", "testObjBezierCurveDecimate", "expObjBezierCurveDecimate",
[ModifierSpec('decimate', 'DECIMATE', {'ratio': 0.5})]),
SpecMeshTest("CurveEdgeSplit", "testObjBezierCurveEdgeSplit", "expObjBezierCurveEdgeSplit",
[ModifierSpec('edgeSplit', 'EDGE_SPLIT', {})]),
SpecMeshTest("CurveMirror", "testObjBezierCurveMirror", "expObjBezierCurveMirror",
[ModifierSpec('mirror', 'MIRROR', {'use_axis': (True, True, False)})]),
SpecMeshTest("CurveScrew", "testObjBezierCurveScrew", "expObjBezierCurveScrew",
[ModifierSpec('screw', 'SCREW', {})]),
SpecMeshTest("CurveSolidify", "testObjBezierCurveSolidify", "expObjBezierCurveSolidify",
[ModifierSpec('solidify', 'SOLIDIFY', {'thickness': 1})]),
SpecMeshTest("CurveSubSurf", "testObjBezierCurveSubSurf", "expObjBezierCurveSubSurf",
[ModifierSpec('subSurf', 'SUBSURF', {})]),
SpecMeshTest("CurveTriangulate", "testObjBezierCurveTriangulate", "expObjBezierCurveTriangulate",
[ModifierSpec('triangulate', 'TRIANGULATE', {})]),
# Test 60
# Caution Weld: if the distance is increased beyond a limit, the object disappears
SpecMeshTest("CurveWeld", "testObjBezierCurveWeld", "expObjBezierCurveWeld",
[ModifierSpec('weld', 'WELD', {})]),
SpecMeshTest("CurveWeld2", "testObjBezierCurveWeld2", "expObjBezierCurveWeld2",
[ModifierSpec('weld', 'WELD', {})]),
#############################################
# Curves Deform Modifiers
#############################################
# Test 62
SpecMeshTest("CurveCast", "testObjBezierCurveCast", "expObjBezierCurveCast",
[ModifierSpec('Cast', 'CAST', {'cast_type': 'CYLINDER', 'factor': 10})]),
SpecMeshTest("CurveShrinkWrap", "testObjBezierCurveShrinkWrap", "expObjBezierCurveShrinkWrap",
[ModifierSpec('ShrinkWrap', 'SHRINKWRAP',
{'target': bpy.data.objects['testShrinkWrapHelperSuzanne']})]),
SpecMeshTest("CurveSimpleDeform", "testObjBezierCurveSimpleDeform", "expObjBezierCurveSimpleDeform",
[ModifierSpec('simple_deform', 'SIMPLE_DEFORM', {'angle': math.radians(90)})]),
SpecMeshTest("CurveSmooth", "testObjBezierCurveSmooth", "expObjBezierCurveSmooth",
[ModifierSpec('smooth', 'SMOOTH', {'factor': 10})]),
SpecMeshTest("CurveWave", "testObjBezierCurveWave", "expObjBezierCurveWave",
[ModifierSpec('curve_wave', 'WAVE', {'time_offset': -1.5})]),
SpecMeshTest("CurveCurve", "testObjBezierCurveCurve", "expObjBezierCurveCurve",
[ModifierSpec('curve_Curve', 'CURVE', {'object': bpy.data.objects['NurbsCurve']})]),
]
modifiers_test = RunTest(tests)
command = list(sys.argv)
for i, cmd in enumerate(command):
if cmd == "--run-all-tests":
modifiers_test.apply_modifiers = True
modifiers_test.do_compare = True
modifiers_test.run_all_tests()
break
elif cmd == "--run-test":
modifiers_test.apply_modifiers = False
modifiers_test.do_compare = False
name = command[i + 1]
modifiers_test.run_test(name)
break
if __name__ == "__main__":
main()