e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
460 lines
22 KiB
Python
460 lines
22 KiB
Python
# SPDX-FileCopyrightText: 2020-2023 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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"""
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./blender.bin --background -noaudio --factory-startup --python tests/python/bl_constraints.py -- --testdir /path/to/lib/tests/constraints
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"""
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import pathlib
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import sys
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import unittest
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import bpy
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from mathutils import Matrix
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class AbstractConstraintTests(unittest.TestCase):
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"""Useful functionality for constraint tests."""
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layer_collection = '' # When set, this layer collection will be enabled.
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def setUp(self):
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bpy.ops.wm.open_mainfile(filepath=str(args.testdir / "constraints.blend"))
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# This allows developers to disable layer collections and declutter the
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# 3D Viewport while working in constraints.blend, without influencing
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# the actual unit tests themselves.
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if self.layer_collection:
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top_collection = bpy.context.view_layer.layer_collection
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collection = top_collection.children[self.layer_collection]
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collection.exclude = False
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def assert_matrix(self, actual_matrix, expect_matrix, object_name: str, places=None, delta=1e-6):
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"""Asserts that the matrices almost equal."""
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self.assertEqual(len(actual_matrix), 4, 'Expected a 4x4 matrix')
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# TODO(Sybren): decompose the matrices and compare loc, rot, and scale separately.
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# That'll probably improve readability & understandability of test failures.
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for row, (act_row, exp_row) in enumerate(zip(actual_matrix, expect_matrix)):
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for col, (actual, expect) in enumerate(zip(act_row, exp_row)):
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self.assertAlmostEqual(
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actual, expect, places=places, delta=delta,
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msg=f'Matrix of object {object_name!r} failed: {actual} != {expect} at element [{row}][{col}]')
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def _get_eval_object(self, object_name: str) -> bpy.types.Object:
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"""Return the evaluated object."""
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depsgraph = bpy.context.view_layer.depsgraph
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depsgraph.update()
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ob_orig = bpy.context.scene.objects[object_name]
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ob_eval = ob_orig.evaluated_get(depsgraph)
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return ob_eval
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def matrix(self, object_name: str) -> Matrix:
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"""Return the evaluated world matrix."""
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ob_eval = self._get_eval_object(object_name)
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return ob_eval.matrix_world
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def bone_matrix(self, object_name: str, bone_name: str) -> Matrix:
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"""Return the evaluated world matrix of the bone."""
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ob_eval = self._get_eval_object(object_name)
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bone = ob_eval.pose.bones[bone_name]
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return ob_eval.matrix_world @ bone.matrix
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def matrix_test(self, object_name: str, expect: Matrix):
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"""Assert that the object's world matrix is as expected."""
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actual = self.matrix(object_name)
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self.assert_matrix(actual, expect, object_name)
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def bone_matrix_test(self, object_name: str, bone_name: str, expect: Matrix):
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"""Assert that the bone's world matrix is as expected."""
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actual = self.bone_matrix(object_name, bone_name)
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self.assert_matrix(actual, expect, object_name)
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def constraint_context(self, constraint_name: str, owner_name: str = '') -> dict:
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"""Return a context suitable for calling object constraint operators.
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Assumes the owner is called "{constraint_name}.owner" if owner_name=''.
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"""
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owner = bpy.context.scene.objects[owner_name or f'{constraint_name}.owner']
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constraint = owner.constraints[constraint_name]
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context = {
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**bpy.context.copy(),
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'object': owner,
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'active_object': owner,
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'constraint': constraint,
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}
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return context
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def bone_constraint_context(self, constraint_name: str, owner_name: str = '', bone_name: str = '') -> dict:
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"""Return a context suitable for calling bone constraint operators.
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Assumes the owner's object is called "{constraint_name}.owner" if owner_name=''.
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Assumes the bone is called "{constraint_name}.bone" if bone_name=''.
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"""
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owner_name = owner_name or f'{constraint_name}.owner'
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bone_name = bone_name or f'{constraint_name}.bone'
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owner = bpy.context.scene.objects[owner_name]
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pose_bone = owner.pose.bones[bone_name]
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constraint = pose_bone.constraints[constraint_name]
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context = {
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**bpy.context.copy(),
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'object': owner,
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'active_object': owner,
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'active_pose_bone': pose_bone,
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'constraint': constraint,
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'owner': pose_bone,
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}
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return context
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class ChildOfTest(AbstractConstraintTests):
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layer_collection = 'Child Of'
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def test_object_simple_parent(self):
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"""Child Of: simple evaluation of object parent."""
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initial_matrix = Matrix((
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(0.5872668623924255, -0.3642929494380951, 0.29567837715148926, 1.0886117219924927),
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(0.31689348816871643, 0.7095895409584045, 0.05480116978287697, 2.178966999053955),
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(-0.21244174242019653, 0.06738340109586716, 0.8475662469863892, 3.2520291805267334),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.matrix_test('Child Of.object.owner', initial_matrix)
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context_override = self.constraint_context('Child Of', owner_name='Child Of.object.owner')
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_set_inverse(constraint='Child Of')
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self.matrix_test('Child Of.object.owner', Matrix((
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(0.9992385506629944, 0.019844001159071922, -0.03359175845980644, 0.10000011324882507),
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(-0.01744179055094719, 0.997369647026062, 0.07035345584154129, 0.1999998837709427),
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(0.034899525344371796, -0.06971397250890732, 0.9969563484191895, 0.3000001311302185),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_clear_inverse(constraint='Child Of')
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self.matrix_test('Child Of.object.owner', initial_matrix)
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def test_object_rotation_only(self):
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"""Child Of: rotation only."""
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owner = bpy.context.scene.objects['Child Of.object.owner']
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constraint = owner.constraints['Child Of']
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constraint.use_location_x = constraint.use_location_y = constraint.use_location_z = False
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constraint.use_scale_x = constraint.use_scale_y = constraint.use_scale_z = False
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initial_matrix = Matrix((
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(0.8340795636177063, -0.4500490725040436, 0.31900957226753235, 0.10000000149011612),
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(0.4547243118286133, 0.8883093595504761, 0.06428192555904388, 0.20000000298023224),
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(-0.31230923533439636, 0.09144517779350281, 0.9455690383911133, 0.30000001192092896),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.matrix_test('Child Of.object.owner', initial_matrix)
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context_override = self.constraint_context('Child Of', owner_name='Child Of.object.owner')
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_set_inverse(constraint='Child Of')
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self.matrix_test('Child Of.object.owner', Matrix((
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(0.9992386102676392, 0.019843975082039833, -0.033591702580451965, 0.10000000149011612),
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(-0.017441781237721443, 0.9973695874214172, 0.0703534483909607, 0.20000000298023224),
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(0.03489946573972702, -0.06971397250890732, 0.9969563484191895, 0.30000001192092896),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_clear_inverse(constraint='Child Of')
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self.matrix_test('Child Of.object.owner', initial_matrix)
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def test_object_no_x_axis(self):
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"""Child Of: loc/rot/scale on only Y and Z axes."""
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owner = bpy.context.scene.objects['Child Of.object.owner']
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constraint = owner.constraints['Child Of']
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constraint.use_location_x = False
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constraint.use_rotation_x = False
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constraint.use_scale_x = False
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initial_matrix = Matrix((
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(0.8294582366943359, -0.4013831615447998, 0.2102886438369751, 0.10000000149011612),
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(0.46277597546577454, 0.6895919442176819, 0.18639995157718658, 2.2317214012145996),
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(-0.31224438548088074, -0.06574578583240509, 0.8546382784843445, 3.219514846801758),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.matrix_test('Child Of.object.owner', initial_matrix)
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context_override = self.constraint_context('Child Of', owner_name='Child Of.object.owner',)
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_set_inverse(constraint='Child Of')
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self.matrix_test('Child Of.object.owner', Matrix((
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(0.9992386102676392, 0.019843991845846176, -0.03359176218509674, 0.10000000149011612),
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(-0.017441775649785995, 0.997369647026062, 0.0703534483909607, 0.2000001221895218),
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(0.034899499267339706, -0.06971398741006851, 0.996956467628479, 0.3000001311302185),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_clear_inverse(constraint='Child Of')
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self.matrix_test('Child Of.object.owner', initial_matrix)
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def test_bone_simple_parent(self):
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"""Child Of: simple evaluation of bone parent."""
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initial_matrix = Matrix((
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(0.5133683681488037, -0.06418320536613464, -0.014910104684531689, -0.2277737855911255),
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(-0.03355155512690544, 0.12542974948883057, -1.080492377281189, 2.082599639892578),
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(0.019313642755150795, 1.0446348190307617, 0.1244703009724617, 2.8542778491973877),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.matrix_test('Child Of.armature.owner', initial_matrix)
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context_override = self.constraint_context('Child Of', owner_name='Child Of.armature.owner')
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_set_inverse(constraint='Child Of')
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self.matrix_test('Child Of.armature.owner', Matrix((
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(0.9992386102676392, 0.019843988120555878, -0.03359176218509674, 0.8358089923858643),
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(-0.017441775649785995, 0.997369647026062, 0.0703534483909607, 1.7178752422332764),
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(0.03489949554204941, -0.06971397995948792, 0.9969563484191895, -1.8132872581481934),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_clear_inverse(constraint='Child Of')
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self.matrix_test('Child Of.armature.owner', initial_matrix)
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def test_bone_owner(self):
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"""Child Of: bone owns constraint, targeting object."""
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initial_matrix = Matrix((
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(0.9992387890815735, -0.03359174728393555, -0.019843988120555878, -2.999999523162842),
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(-0.02588011883199215, -0.1900751143693924, -0.9814283847808838, 2.0),
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(0.029196053743362427, 0.9811949133872986, -0.190799742937088, 0.9999999403953552),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.bone_matrix_test('Child Of.bone.owner', 'Child Of.bone', initial_matrix)
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context_override = self.bone_constraint_context('Child Of', owner_name='Child Of.bone.owner')
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_set_inverse(constraint='Child Of', owner='BONE')
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self.bone_matrix_test('Child Of.bone.owner', 'Child Of.bone', Matrix((
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(0.9659260511398315, 0.2588191032409668, 4.656613428188905e-10, -2.999999761581421),
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(-3.725290742551124e-09, 1.4901162970204496e-08, -1.0, 0.9999999403953552),
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(-0.2588191032409668, 0.965925931930542, 0.0, 0.9999999403953552),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_clear_inverse(constraint='Child Of', owner='BONE')
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self.bone_matrix_test('Child Of.bone.owner', 'Child Of.bone', initial_matrix)
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def test_vertexgroup_simple_parent(self):
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"""Child Of: simple evaluation of vertex group parent."""
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initial_matrix = Matrix((
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(-0.8076590895652771, 0.397272527217865, 0.4357309341430664, 1.188504934310913),
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(-0.4534659683704376, -0.8908230066299438, -0.028334975242614746, 1.7851561307907104),
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(0.3769024908542633, -0.22047416865825653, 0.8996308445930481, 3.4457669258117676),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.matrix_test('Child Of.vertexgroup.owner', initial_matrix)
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context_override = self.constraint_context('Child Of', owner_name='Child Of.vertexgroup.owner')
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_set_inverse(constraint='Child Of')
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self.matrix_test('Child Of.vertexgroup.owner', Matrix((
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(0.9992386102676392, 0.019843988120555878, -0.03359176218509674, 0.10000000149011612),
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(-0.017441775649785995, 0.997369647026062, 0.0703534483909607, 0.20000000298023224),
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(0.03489949554204941, -0.06971397995948792, 0.9969563484191895, 0.30000001192092896),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.childof_clear_inverse(constraint='Child Of')
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self.matrix_test('Child Of.vertexgroup.owner', initial_matrix)
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class ObjectSolverTest(AbstractConstraintTests):
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layer_collection = 'Object Solver'
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def test_simple_parent(self):
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"""Object Solver: simple evaluation of parent."""
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initial_matrix = Matrix((
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(-0.970368504524231, 0.03756079450249672, -0.23869234323501587, -0.681557297706604),
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(-0.24130365252494812, -0.2019258439540863, 0.9492092132568359, 6.148940086364746),
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(-0.012545102275907993, 0.9786801934242249, 0.20500603318214417, 2.2278831005096436),
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(0.0, 0.0, 0.0, 1.0),
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))
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self.matrix_test('Object Solver.owner', initial_matrix)
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context_override = self.constraint_context('Object Solver')
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.objectsolver_set_inverse(constraint='Object Solver')
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self.matrix_test('Object Solver.owner', Matrix((
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(0.9992387294769287, 0.019843989983201027, -0.03359176591038704, 0.10000025480985641),
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(-0.017441747710108757, 0.9973697662353516, 0.07035345584154129, 0.1999993920326233),
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(0.034899502992630005, -0.06971398741006851, 0.996956467628479, 0.29999980330467224),
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(0.0, 0.0, 0.0, 1.0),
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)))
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with bpy.context.temp_override(**context_override):
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bpy.ops.constraint.objectsolver_clear_inverse(constraint='Object Solver')
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self.matrix_test('Object Solver.owner', initial_matrix)
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class CustomSpaceTest(AbstractConstraintTests):
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layer_collection = 'Custom Space'
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def test_loc_like_object(self):
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"""Custom Space: basic custom space evaluation for objects"""
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loc_like_constraint = bpy.data.objects["Custom Space.object.owner"].constraints["Copy Location"]
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loc_like_constraint.use_x = True
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loc_like_constraint.use_y = True
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loc_like_constraint.use_z = True
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self.matrix_test('Custom Space.object.owner', Matrix((
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(1.0, 0.0, -2.9802322387695312e-08, -0.01753106713294983),
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(0.0, 1.0, 0.0, -0.08039519190788269),
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(-2.9802322387695312e-08, 5.960464477539063e-08, 1.0, 0.1584688425064087),
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(0.0, 0.0, 0.0, 1.0),
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)))
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loc_like_constraint.use_x = False
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self.matrix_test('Custom Space.object.owner', Matrix((
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(1.0, 0.0, -2.9802322387695312e-08, 0.18370598554611206),
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(0.0, 1.0, 0.0, 0.47120195627212524),
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(-2.9802322387695312e-08, 5.960464477539063e-08, 1.0, -0.16521614789962769),
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(0.0, 0.0, 0.0, 1.0),
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)))
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loc_like_constraint.use_y = False
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self.matrix_test('Custom Space.object.owner', Matrix((
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(1.0, 0.0, -2.9802322387695312e-08, -0.46946945786476135),
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(0.0, 1.0, 0.0, 0.423120379447937),
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(-2.9802322387695312e-08, 5.960464477539063e-08, 1.0, -0.6532361507415771),
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(0.0, 0.0, 0.0, 1.0),
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)))
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loc_like_constraint.use_z = False
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loc_like_constraint.use_y = True
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self.matrix_test('Custom Space.object.owner', Matrix((
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(1.0, 0.0, -2.9802322387695312e-08, -0.346824586391449),
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(0.0, 1.0, 0.0, 1.0480815172195435),
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(-2.9802322387695312e-08, 5.960464477539063e-08, 1.0, 0.48802000284194946),
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(0.0, 0.0, 0.0, 1.0),
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)))
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def test_loc_like_armature(self):
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"""Custom Space: basic custom space evaluation for bones"""
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loc_like_constraint = bpy.data.objects["Custom Space.armature.owner"].pose.bones["Bone"].constraints["Copy Location"]
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loc_like_constraint.use_x = True
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loc_like_constraint.use_y = True
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loc_like_constraint.use_z = True
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self.bone_matrix_test('Custom Space.armature.owner', 'Bone', Matrix((
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(0.4556015729904175, -0.03673229366540909, -0.8894257545471191, -0.01753103733062744),
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(-0.45956411957740784, -0.8654094934463501, -0.19966775178909302, -0.08039522171020508),
|
|
(-0.762383222579956, 0.49971696734428406, -0.4111628830432892, 0.1584688425064087),
|
|
(0.0, 0.0, 0.0, 1.0),
|
|
)))
|
|
loc_like_constraint.use_x = False
|
|
self.bone_matrix_test('Custom Space.armature.owner', 'Bone', Matrix((
|
|
(0.4556015729904175, -0.03673229366540909, -0.8894257545471191, -0.310153603553772),
|
|
(-0.45956411957740784, -0.8654094934463501, -0.19966775178909302, -0.8824828863143921),
|
|
(-0.762383222579956, 0.49971696734428406, -0.4111628830432892, 0.629145085811615),
|
|
(0.0, 0.0, 0.0, 1.0),
|
|
)))
|
|
loc_like_constraint.use_y = False
|
|
self.bone_matrix_test('Custom Space.armature.owner', 'Bone', Matrix((
|
|
(0.4556015729904175, -0.03673229366540909, -0.8894257545471191, -1.0574829578399658),
|
|
(-0.45956411957740784, -0.8654094934463501, -0.19966775178909302, -0.937495231628418),
|
|
(-0.762383222579956, 0.49971696734428406, -0.4111628830432892, 0.07077804207801819),
|
|
(0.0, 0.0, 0.0, 1.0),
|
|
)))
|
|
loc_like_constraint.use_z = False
|
|
loc_like_constraint.use_y = True
|
|
self.bone_matrix_test('Custom Space.armature.owner', 'Bone', Matrix((
|
|
(0.4556015729904175, -0.03673229366540909, -0.8894257545471191, -0.25267064571380615),
|
|
(-0.45956411957740784, -0.8654094934463501, -0.19966775178909302, -0.9449876546859741),
|
|
(-0.762383222579956, 0.49971696734428406, -0.4111628830432892, 0.5583670735359192),
|
|
(0.0, 0.0, 0.0, 1.0),
|
|
)))
|
|
|
|
|
|
class CopyTransformsTest(AbstractConstraintTests):
|
|
layer_collection = 'Copy Transforms'
|
|
|
|
def test_mix_mode_object(self):
|
|
"""Copy Transforms: all mix modes for objects"""
|
|
constraint = bpy.data.objects["Copy Transforms.object.owner"].constraints["Copy Transforms"]
|
|
|
|
constraint.mix_mode = 'REPLACE'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-0.7818737626075745, 0.14389121532440186, 0.4845699667930603, -0.017531070858240128),
|
|
(-0.2741589844226837, -0.591389000415802, -1.2397242784500122, -0.08039521425962448),
|
|
(0.04909384995698929, -1.0109175443649292, 0.7942137122154236, 0.1584688276052475),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
constraint.mix_mode = 'BEFORE_FULL'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-1.0791258811950684, -0.021011866629123688, 0.3120136260986328, 0.9082338809967041),
|
|
(0.2128538191318512, -0.3411901891231537, -1.7376484870910645, -0.39762523770332336),
|
|
(-0.03584420680999756, -1.0162957906723022, 0.8004404306411743, -0.9015425443649292),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
constraint.mix_mode = 'BEFORE'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-0.9952367544174194, -0.03077685832977295, 0.05301344022154808, 0.9082338809967041),
|
|
(-0.013416174799203873, -0.39984768629074097, -1.8665285110473633, -0.39762523770332336),
|
|
(0.03660336509346962, -0.9833710193634033, 0.75728839635849, -0.9015425443649292),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
constraint.mix_mode = 'BEFORE_SPLIT'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-0.9952367544174194, -0.03077685832977295, 0.05301344022154808, -1.0175310373306274),
|
|
(-0.013416174799203873, -0.39984768629074097, -1.8665285110473633, 0.9196047782897949),
|
|
(0.03660336509346962, -0.9833710193634033, 0.75728839635849, 0.1584688276052475),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
constraint.mix_mode = 'AFTER_FULL'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-0.8939255475997925, -0.2866469621658325, 0.7563635110855103, -0.964445173740387),
|
|
(-0.09460853785276413, -0.73727947473526, -1.0267245769500732, 0.9622588753700256),
|
|
(0.37042146921157837, -1.1893107891082764, 1.0113294124603271, 0.21314144134521484),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
constraint.mix_mode = 'AFTER'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-0.9033845067024231, -0.2048732340335846, 0.7542480826377869, -0.964445173740387),
|
|
(-0.1757974475622177, -0.6721230745315552, -1.5190268754959106, 0.9622588753700256),
|
|
(0.38079890608787537, -0.7963172793388367, 1.0880682468414307, 0.21314144134521484),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
constraint.mix_mode = 'AFTER_SPLIT'
|
|
self.matrix_test('Copy Transforms.object.owner', Matrix((
|
|
(-0.9033845067024231, -0.2048732340335846, 0.7542480826377869, -1.0175310373306274),
|
|
(-0.1757974475622177, -0.6721230745315552, -1.5190268754959106, 0.9196047782897949),
|
|
(0.38079890608787537, -0.7963172793388367, 1.0880682468414307, 0.1584688276052475),
|
|
(0.0, 0.0, 0.0, 1.0)
|
|
)))
|
|
|
|
|
|
def main():
|
|
global args
|
|
import argparse
|
|
|
|
if '--' in sys.argv:
|
|
argv = [sys.argv[0]] + sys.argv[sys.argv.index('--') + 1:]
|
|
else:
|
|
argv = sys.argv
|
|
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('--testdir', required=True, type=pathlib.Path)
|
|
args, remaining = parser.parse_known_args(argv)
|
|
|
|
unittest.main(argv=remaining)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|