From 058f98a63658dc1a2579826ba167fd61bed1e21f Mon Sep 17 00:00:00 2001 From: sanine Date: Fri, 4 Mar 2022 10:47:15 -0600 Subject: add assimp submodule --- .../assimp-master/test/unit/utSTLImportExport.cpp | 170 +++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 src/mesh/assimp-master/test/unit/utSTLImportExport.cpp (limited to 'src/mesh/assimp-master/test/unit/utSTLImportExport.cpp') diff --git a/src/mesh/assimp-master/test/unit/utSTLImportExport.cpp b/src/mesh/assimp-master/test/unit/utSTLImportExport.cpp new file mode 100644 index 0000000..4bf374a --- /dev/null +++ b/src/mesh/assimp-master/test/unit/utSTLImportExport.cpp @@ -0,0 +1,170 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (assimp) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2022, assimp team + +All rights reserved. + +Redistribution and use of this software in source and binary forms, +with or without modification, are permitted provided that the following +conditions are met: + +* Redistributions of source code must retain the above +copyright notice, this list of conditions and the +following disclaimer. + +* Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the +following disclaimer in the documentation and/or other +materials provided with the distribution. + +* Neither the name of the assimp team, nor the names of its +contributors may be used to endorse or promote products +derived from this software without specific prior +written permission of the assimp team. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +--------------------------------------------------------------------------- +*/ + +#include "AbstractImportExportBase.h" +#include "UnitTestPCH.h" + +#include +#include +#include +#include + +#include + +using namespace Assimp; + +class utSTLImporterExporter : public AbstractImportExportBase { +public: + virtual bool importerTest() { + Assimp::Importer importer; + const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/Spider_ascii.stl", aiProcess_ValidateDataStructure); + return nullptr != scene; + } +}; + +TEST_F(utSTLImporterExporter, importSTLFromFileTest) { + EXPECT_TRUE(importerTest()); +} + +TEST_F(utSTLImporterExporter, test_multiple) { + // import same file twice, each with its own importer + // must work both times and not crash + Assimp::Importer importer1; + const aiScene *scene1 = importer1.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/Spider_ascii.stl", aiProcess_ValidateDataStructure); + EXPECT_NE(nullptr, scene1); + + Assimp::Importer importer2; + const aiScene *scene2 = importer2.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/Spider_ascii.stl", aiProcess_ValidateDataStructure); + EXPECT_NE(nullptr, scene2); +} + +TEST_F(utSTLImporterExporter, importSTLformatdetection) { + ::Assimp::Importer importer; + const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/formatDetection", aiProcess_ValidateDataStructure); + + EXPECT_NE(nullptr, scene); +} + +TEST_F(utSTLImporterExporter, test_with_two_solids) { + Assimp::Importer importer; + const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/triangle_with_two_solids.stl", aiProcess_ValidateDataStructure); + EXPECT_NE(nullptr, scene); +} + +TEST_F(utSTLImporterExporter, test_with_empty_solid) { + Assimp::Importer importer; + //STL File with empty mesh. We should still be able to import other meshes in this file. ValidateDataStructure should fail. + const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/triangle_with_empty_solid.stl", 0); + EXPECT_NE(nullptr, scene); + + const aiScene *scene2 = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/triangle_with_empty_solid.stl", aiProcess_ValidateDataStructure); + EXPECT_EQ(nullptr, scene2); +} + +#ifndef ASSIMP_BUILD_NO_EXPORT + +TEST_F(utSTLImporterExporter, exporterTest) { + Assimp::Importer importer; + const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/STL/Spider_ascii.stl", aiProcess_ValidateDataStructure); + + Assimp::Exporter mAiExporter; + mAiExporter.Export(scene, "stl", "spiderExport.stl"); + + const aiScene *scene2 = importer.ReadFile("spiderExport.stl", aiProcess_ValidateDataStructure); + EXPECT_NE(nullptr, scene2); +} + +TEST_F(utSTLImporterExporter, test_export_pointclouds) { + struct XYZ { + float x, y, z; + }; + + std::vector points; + + for (size_t i = 0; i < 10; ++i) { + XYZ current; + current.x = static_cast(i); + current.y = static_cast(i); + current.z = static_cast(i); + points.push_back(current); + } + aiScene scene; + scene.mRootNode = new aiNode(); + + scene.mMeshes = new aiMesh *[1]; + scene.mMeshes[0] = nullptr; + scene.mNumMeshes = 1; + + scene.mMaterials = new aiMaterial *[1]; + scene.mMaterials[0] = nullptr; + scene.mNumMaterials = 1; + + scene.mMaterials[0] = new aiMaterial(); + + scene.mMeshes[0] = new aiMesh(); + scene.mMeshes[0]->mMaterialIndex = 0; + + scene.mRootNode->mMeshes = new unsigned int[1]; + scene.mRootNode->mMeshes[0] = 0; + scene.mRootNode->mNumMeshes = 1; + + auto pMesh = scene.mMeshes[0]; + + size_t numValidPoints = points.size(); + + pMesh->mVertices = new aiVector3D[numValidPoints]; + pMesh->mNumVertices = static_cast(numValidPoints); + + int i = 0; + for (XYZ &p : points) { + pMesh->mVertices[i] = aiVector3D(p.x, p.y, p.z); + ++i; + } + + Assimp::Exporter mAiExporter; + ExportProperties *properties = new ExportProperties; + properties->SetPropertyBool(AI_CONFIG_EXPORT_POINT_CLOUDS, true); + mAiExporter.Export(&scene, "stl", "testExport.stl", 0, properties); + + delete properties; +} + +#endif -- cgit v1.2.1