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#
# This file is part of Magnum.
#
# Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
# 2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
import unittest
from corrade import containers
from magnum import *
from magnum import scenetools, trade
import magnum
class FlattenTransformationHierarchy(unittest.TestCase):
def test_2d(self):
# Static builds with non-static plugins cause assertions with non-owned
# array deleters used by PrimitiveImporter, skip in that case
if magnum.BUILD_STATIC:
self.skipTest("dynamic PrimitiveImporter doesn't work with a static build")
# The only way to get a 2D scene is via PrimitiveImporter
importer = trade.ImporterManager().load_and_instantiate('PrimitiveImporter')
importer.open_data(containers.ArrayView())
scene = importer.scene(0)
self.assertTrue(scene.is_2d)
transformations = scenetools.flatten_transformation_hierarchy2d(scene, trade.SceneField.MESH)
self.assertEqual(len(transformations), scene.field_size(trade.SceneField.MESH))
self.assertEqual(transformations[0], Matrix3.translation((-4.5, -3.0)))
def test_2d_field_id(self):
# Static builds with non-static plugins cause assertions with non-owned
# array deleters used by PrimitiveImporter, skip in that case
if magnum.BUILD_STATIC:
self.skipTest("dynamic PrimitiveImporter doesn't work with a static build")
# The only way to get a 2D scene is via PrimitiveImporter
importer = trade.ImporterManager().load_and_instantiate('PrimitiveImporter')
importer.open_data(containers.ArrayView())
scene = importer.scene(0)
self.assertTrue(scene.is_2d)
mesh_field = scene.field_id(trade.SceneField.MESH)
transformations = scenetools.flatten_transformation_hierarchy2d(scene, mesh_field)
self.assertEqual(len(transformations), scene.field_size(mesh_field))
self.assertEqual(transformations[0], Matrix3.translation((-4.5, -3.0)))
def test_3d(self):
# Static builds with non-static plugins cause assertions with non-owned
# array deleters used by PrimitiveImporter, skip in that case
if magnum.BUILD_STATIC:
self.skipTest("dynamic PrimitiveImporter doesn't work with a static build")
importer = trade.ImporterManager().load_and_instantiate('PrimitiveImporter')
importer.open_data(containers.ArrayView())
scene = importer.scene(1)
self.assertTrue(scene.is_3d)
transformations = scenetools.flatten_transformation_hierarchy3d(scene, trade.SceneField.MESH)
self.assertEqual(len(transformations), scene.field_size(trade.SceneField.MESH))
self.assertEqual(transformations[0], Matrix4.translation((-4.5, -3.0, 0.0)))
def test_3d_field_id(self):
# Static builds with non-static plugins cause assertions with non-owned
# array deleters used by PrimitiveImporter, skip in that case
if magnum.BUILD_STATIC:
self.skipTest("dynamic PrimitiveImporter doesn't work with a static build")
importer = trade.ImporterManager().load_and_instantiate('PrimitiveImporter')
importer.open_data(containers.ArrayView())
scene = importer.scene(1)
self.assertTrue(scene.is_3d)
mesh_field = scene.field_id(trade.SceneField.MESH)
transformations = scenetools.flatten_transformation_hierarchy3d(scene, mesh_field)
self.assertEqual(len(transformations), scene.field_size(mesh_field))
self.assertEqual(transformations[0], Matrix4.translation((-4.5, -3.0, 0.0)))
def test_field_not_found(self):
# Static builds with non-static plugins cause assertions with non-owned
# array deleters used by PrimitiveImporter, skip in that case
if magnum.BUILD_STATIC:
self.skipTest("dynamic PrimitiveImporter doesn't work with a static build")
importer = trade.ImporterManager().load_and_instantiate('PrimitiveImporter')
importer.open_data(containers.ArrayView())
scene = importer.scene(0)
with self.assertRaises(KeyError):
scenetools.flatten_transformation_hierarchy2d(scene, trade.SceneField.LIGHT)
with self.assertRaises(KeyError):
scenetools.flatten_transformation_hierarchy3d(scene, trade.SceneField.LIGHT)
with self.assertRaises(IndexError):
scenetools.flatten_transformation_hierarchy2d(scene, scene.field_count)
with self.assertRaises(IndexError):
scenetools.flatten_transformation_hierarchy3d(scene, scene.field_count)
def test_not_2d_not_3d(self):
# Static builds with non-static plugins cause assertions with non-owned
# array deleters used by PrimitiveImporter, skip in that case
if magnum.BUILD_STATIC:
self.skipTest("dynamic PrimitiveImporter doesn't work with a static build")
importer = trade.ImporterManager().load_and_instantiate('PrimitiveImporter')
importer.open_data(containers.ArrayView())
scene2d = importer.scene(0)
scene3d = importer.scene(1)
self.assertFalse(scene2d.is_3d)
self.assertFalse(scene3d.is_2d)
with self.assertRaisesRegex(AssertionError, "the scene is not 2D"):
scenetools.flatten_transformation_hierarchy2d(scene3d, trade.SceneField.MESH)
with self.assertRaisesRegex(AssertionError, "the scene is not 2D"):
scenetools.flatten_transformation_hierarchy2d(scene3d, scene2d.field_id(trade.SceneField.MESH))
with self.assertRaisesRegex(AssertionError, "the scene is not 3D"):
scenetools.flatten_transformation_hierarchy3d(scene2d, trade.SceneField.MESH)
with self.assertRaisesRegex(AssertionError, "the scene is not 3D"):
scenetools.flatten_transformation_hierarchy3d(scene2d, scene3d.field_id(trade.SceneField.MESH))
def test_no_hierarchy(self):
# TODO implement once it's possible to create / import a scene without
# the parent field
pass