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244
vendor/assimp/test/unit/utBlenderImportExport.cpp
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vendor/assimp/test/unit/utBlenderImportExport.cpp
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2026, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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#include "AbstractImportExportBase.h"
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#include "UnitTestPCH.h"
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#include <assimp/postprocess.h>
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#include <assimp/Importer.hpp>
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#include <assimp/scene.h>
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#include <assimp/SpatialSort.h>
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using namespace Assimp;
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class utBlenderImporterExporter : public AbstractImportExportBase {
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public:
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virtual bool importerTest() {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/box.blend", aiProcess_ValidateDataStructure);
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return nullptr != scene;
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}
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};
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TEST_F(utBlenderImporterExporter, importBlenFromFileTest) {
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EXPECT_TRUE(importerTest());
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}
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TEST(utBlenderImporter, import4cubes) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/4Cubes4Mats_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, import269_regress1) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/blender_269_regress1.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault250) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_250.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault250Compressed) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_250_Compressed.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault262) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_262.blend", aiProcess_ValidateDataStructure);
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// FIXME: this is probably not right, loading this should succeed
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ASSERT_EQ(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault269) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_269.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault271) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_271.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBlenderDefault293) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/BlenderDefault_276.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importCubeHierarchy_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/CubeHierarchy_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importHuman) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/HUMAN.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importMirroredCube_252) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/MirroredCube_252.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importNoisyTexturedCube_VoronoiGlob_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/NoisyTexturedCube_VoronoiGlob_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importSmoothVsSolidCube_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/SmoothVsSolidCube_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importSuzanne_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/Suzanne_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importSuzanneSubdiv_252) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/SuzanneSubdiv_252.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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// check approximate shape by averaging together all vertices
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ASSERT_EQ(scene->mNumMeshes, 1u);
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aiVector3D vertexAvg(0.0, 0.0, 0.0);
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for (unsigned int i = 0; i < scene->mNumMeshes; i++) {
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const aiMesh *mesh = scene->mMeshes[i];
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ASSERT_NE(mesh, nullptr);
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ai_real invVertexCount = 1.0 / mesh->mNumVertices;
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for (unsigned int j = 0; j < mesh->mNumVertices; j++) {
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vertexAvg += mesh->mVertices[j] * invVertexCount;
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}
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}
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// must not be inf or nan
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ASSERT_TRUE(std::isfinite(vertexAvg.x));
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ASSERT_TRUE(std::isfinite(vertexAvg.y));
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ASSERT_TRUE(std::isfinite(vertexAvg.z));
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EXPECT_NEAR(vertexAvg.x, 6.4022515289252624e-08, 0.0001);
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EXPECT_NEAR(vertexAvg.y, 0.060569953173398972, 0.0001);
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EXPECT_NEAR(vertexAvg.z, 0.31429031491279602, 0.0001);
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}
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TEST(utBlenderImporter, importTexturedCube_ImageGlob_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/TexturedCube_ImageGlob_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importTexturedPlane_ImageUv_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/TexturedPlane_ImageUv_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importTexturedPlane_ImageUvPacked_248) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/TexturedPlane_ImageUvPacked_248.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importTorusLightsCams_250_compressed) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/TorusLightsCams_250_compressed.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, import_yxa_1) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/yxa_1.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importBob) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_NONBSD_DIR "/BLEND/Bob.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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TEST(utBlenderImporter, importFleurOptonl) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_NONBSD_DIR "/BLEND/fleurOptonl.blend", aiProcess_ValidateDataStructure);
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ASSERT_NE(nullptr, scene);
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}
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/// This test contains a default cube with subdivision surface modifier and a default cube with subdivision surface applied.
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/// Vertices should be identical.
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TEST_F(utBlenderImporterExporter, importBlendWithSubdivisionSurface) {
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Assimp::Importer importer;
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const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/BLEND/subdivision_test_277.blend", aiProcess_ValidateDataStructure);
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EXPECT_NE(nullptr, scene);
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EXPECT_EQ(scene->mNumMeshes, 2u);
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EXPECT_EQ(scene->mMeshes[0]->mNumVertices, scene->mMeshes[1]->mNumVertices);
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SpatialSort spatialSortVertices0;
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spatialSortVertices0.Fill(scene->mMeshes[0]->mVertices, scene->mMeshes[0]->mNumVertices, sizeof(aiVector3D), true);
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for (unsigned int i = 0; i < scene->mMeshes[1]->mNumVertices; ++i)
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{
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auto positionMesh1 = scene->mMeshes[1]->mVertices[i];
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std::vector<unsigned int> spatialSortResult;
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spatialSortVertices0.FindPositions(positionMesh1, 1.0e-6f, spatialSortResult);
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EXPECT_TRUE(scene->mMeshes[0]->mVertices[spatialSortResult[0]].Equal(positionMesh1));
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}
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}
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