add assimp submodule

1 files changed, 479 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/test/unit/utObjImportExport.cpp b/src/mesh/assimp-master/test/unit/utObjImportExport.cpp
new file mode 100644
index 0000000..58eace0
--- /dev/null
+++ b/src/mesh/assimp-master/test/unit/utObjImportExport.cpp
@@ -0,0 +1,479 @@
+/*
+---------------------------------------------------------------------------
+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 "SceneDiffer.h"
+#include "UnitTestPCH.h"
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/Exporter.hpp>
+#include <assimp/Importer.hpp>
+
+using namespace Assimp;
+
+static const float VertComponents[24 * 3] = {
+    -0.500000, 0.500000, 0.500000,
+    -0.500000, 0.500000, -0.500000,
+    -0.500000, -0.500000, -0.500000,
+    -0.500000, -0.500000, 0.500000,
+    -0.500000, -0.500000, -0.500000,
+    0.500000, -0.500000, -0.500000,
+    0.500000, -0.500000, 0.500000,
+    -0.500000, -0.500000, 0.500000,
+    -0.500000, 0.500000, -0.500000,
+    0.500000, 0.500000, -0.500000,
+    0.500000, -0.500000, -0.500000,
+    -0.500000, -0.500000, -0.500000,
+    0.500000, 0.500000, 0.500000,
+    0.500000, 0.500000, -0.500000,
+    -0.500000, 0.500000, -0.500000,
+    -0.500000, 0.500000, 0.500000,
+    0.500000, -0.500000, 0.500000,
+    0.500000, 0.500000, 0.500000,
+    -0.500000, 0.500000, 0.500000,
+    -0.500000, -0.500000, 0.500000,
+    0.500000, -0.500000, -0.500000,
+    0.500000, 0.500000, -0.500000,
+    0.500000, 0.500000, 0.500000f,
+    0.500000, -0.500000, 0.500000f
+};
+
+static const char *ObjModel =
+        "o 1\n"
+        "\n"
+        "# Vertex list\n"
+        "\n"
+        "v -0.5 -0.5  0.5\n"
+        "v -0.5 -0.5 -0.5\n"
+        "v -0.5  0.5 -0.5\n"
+        "v -0.5  0.5  0.5\n"
+        "v  0.5 -0.5  0.5\n"
+        "v  0.5 -0.5 -0.5\n"
+        "v  0.5  0.5 -0.5\n"
+        "v  0.5  0.5  0.5\n"
+        "\n"
+        "# Point / Line / Face list\n"
+        "\n"
+        "g Box01\n"
+        "usemtl Default\n"
+        "f 4 3 2 1\n"
+        "f 2 6 5 1\n"
+        "f 3 7 6 2\n"
+        "f 8 7 3 4\n"
+        "f 5 8 4 1\n"
+        "f 6 7 8 5\n"
+        "\n"
+        "# End of file\n";
+
+static const char *ObjModel_Issue1111 =
+        "o 1\n"
+        "\n"
+        "# Vertex list\n"
+        "\n"
+        "v -0.5 -0.5  0.5\n"
+        "v -0.5 -0.5 -0.5\n"
+        "v -0.5  0.5 -0.5\n"
+        "\n"
+        "usemtl\n"
+        "f 1 2 3\n"
+        "\n"
+        "# End of file\n";
+
+class utObjImportExport : public AbstractImportExportBase {
+protected:
+    void SetUp() override {
+        m_im = new Assimp::Importer;
+    }
+
+    void TearDown() override {
+        delete m_im;
+        m_im = nullptr;
+    }
+
+    aiScene *createScene() {
+        aiScene *expScene = new aiScene;
+        expScene->mNumMeshes = 1;
+        expScene->mMeshes = new aiMesh *[1];
+        aiMesh *mesh = new aiMesh;
+        mesh->mName.Set("Box01");
+        mesh->mNumVertices = 24;
+        mesh->mVertices = new aiVector3D[24];
+        ::memcpy(&mesh->mVertices->x, &VertComponents[0], sizeof(float) * 24 * 3);
+        mesh->mNumFaces = 6;
+        mesh->mFaces = new aiFace[mesh->mNumFaces];
+
+        mesh->mFaces[0].mNumIndices = 4;
+        mesh->mFaces[0].mIndices = new unsigned int[mesh->mFaces[0].mNumIndices];
+        mesh->mFaces[0].mIndices[0] = 0;
+        mesh->mFaces[0].mIndices[1] = 1;
+        mesh->mFaces[0].mIndices[2] = 2;
+        mesh->mFaces[0].mIndices[3] = 3;
+
+        mesh->mFaces[1].mNumIndices = 4;
+        mesh->mFaces[1].mIndices = new unsigned int[mesh->mFaces[0].mNumIndices];
+        mesh->mFaces[1].mIndices[0] = 4;
+        mesh->mFaces[1].mIndices[1] = 5;
+        mesh->mFaces[1].mIndices[2] = 6;
+        mesh->mFaces[1].mIndices[3] = 7;
+
+        mesh->mFaces[2].mNumIndices = 4;
+        mesh->mFaces[2].mIndices = new unsigned int[mesh->mFaces[0].mNumIndices];
+        mesh->mFaces[2].mIndices[0] = 8;
+        mesh->mFaces[2].mIndices[1] = 9;
+        mesh->mFaces[2].mIndices[2] = 10;
+        mesh->mFaces[2].mIndices[3] = 11;
+
+        mesh->mFaces[3].mNumIndices = 4;
+        mesh->mFaces[3].mIndices = new unsigned int[mesh->mFaces[0].mNumIndices];
+        mesh->mFaces[3].mIndices[0] = 12;
+        mesh->mFaces[3].mIndices[1] = 13;
+        mesh->mFaces[3].mIndices[2] = 14;
+        mesh->mFaces[3].mIndices[3] = 15;
+
+        mesh->mFaces[4].mNumIndices = 4;
+        mesh->mFaces[4].mIndices = new unsigned int[mesh->mFaces[0].mNumIndices];
+        mesh->mFaces[4].mIndices[0] = 16;
+        mesh->mFaces[4].mIndices[1] = 17;
+        mesh->mFaces[4].mIndices[2] = 18;
+        mesh->mFaces[4].mIndices[3] = 19;
+
+        mesh->mFaces[5].mNumIndices = 4;
+        mesh->mFaces[5].mIndices = new unsigned int[mesh->mFaces[0].mNumIndices];
+        mesh->mFaces[5].mIndices[0] = 20;
+        mesh->mFaces[5].mIndices[1] = 21;
+        mesh->mFaces[5].mIndices[2] = 22;
+        mesh->mFaces[5].mIndices[3] = 23;
+
+        expScene->mMeshes[0] = mesh;
+
+        expScene->mNumMaterials = 1;
+        expScene->mMaterials = new aiMaterial *[expScene->mNumMaterials];
+
+        return expScene;
+    }
+
+    bool importerTest() override {
+        ::Assimp::Importer importer;
+        const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/spider.obj", aiProcess_ValidateDataStructure);
+        return nullptr != scene;
+    }
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+    bool exporterTest() override {
+        ::Assimp::Importer importer;
+        ::Assimp::Exporter exporter;
+        const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/spider.obj", aiProcess_ValidateDataStructure);
+        EXPECT_NE(nullptr, scene);
+        EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "obj", ASSIMP_TEST_MODELS_DIR "/OBJ/spider_out.obj"));
+        EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "objnomtl", ASSIMP_TEST_MODELS_DIR "/OBJ/spider_nomtl_out.obj"));
+
+        return true;
+    }
+
+#endif // ASSIMP_BUILD_NO_EXPORT
+
+protected:
+    ::Assimp::Importer *m_im;
+    aiScene *m_expectedScene;
+};
+
+TEST_F(utObjImportExport, importObjFromFileTest) {
+    EXPECT_TRUE(importerTest());
+}
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+TEST_F(utObjImportExport, exportObjFromFileTest) {
+    EXPECT_TRUE(exporterTest());
+}
+
+#endif // ASSIMP_BUILD_NO_EXPORT
+
+TEST_F(utObjImportExport, obj_import_test) {
+    const aiScene *scene = m_im->ReadFileFromMemory((void *)ObjModel, strlen(ObjModel), 0);
+    aiScene *expected = createScene();
+    EXPECT_NE(nullptr, scene);
+
+    SceneDiffer differ;
+    EXPECT_TRUE(differ.isEqual(expected, scene));
+    differ.showReport();
+
+    m_im->FreeScene();
+    for (unsigned int i = 0; i < expected->mNumMeshes; ++i) {
+        delete expected->mMeshes[i];
+    }
+    delete[] expected->mMeshes;
+    expected->mMeshes = nullptr;
+    delete[] expected->mMaterials;
+    expected->mMaterials = nullptr;
+    delete expected;
+}
+
+TEST_F(utObjImportExport, issue1111_no_mat_name_Test) {
+    const aiScene *scene = m_im->ReadFileFromMemory((void *)ObjModel_Issue1111, strlen(ObjModel_Issue1111), 0);
+    EXPECT_NE(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, issue809_vertex_color_Test) {
+    ::Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/cube_with_vertexcolors.obj", aiProcess_ValidateDataStructure);
+    EXPECT_NE(nullptr, scene);
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+    ::Assimp::Exporter exporter;
+    EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "obj", ASSIMP_TEST_MODELS_DIR "/OBJ/test_out.obj"));
+#endif // ASSIMP_BUILD_NO_EXPORT
+}
+
+TEST_F(utObjImportExport, issue1923_vertex_color_Test) {
+    ::Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/cube_with_vertexcolors_uni.obj", aiProcess_ValidateDataStructure);
+    EXPECT_NE(nullptr, scene);
+
+    scene = importer.GetOrphanedScene();
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+    ::Assimp::Exporter exporter;
+    const aiExportDataBlob *blob = exporter.ExportToBlob(scene, "obj");
+    EXPECT_NE(nullptr, blob);
+
+    const aiScene *sceneReImport = importer.ReadFileFromMemory(blob->data, blob->size, aiProcess_ValidateDataStructure);
+    EXPECT_NE(nullptr, scene);
+
+    SceneDiffer differ;
+    EXPECT_TRUE(differ.isEqual(scene, sceneReImport));
+#endif // ASSIMP_BUILD_NO_EXPORT
+
+    delete scene;
+}
+
+TEST_F(utObjImportExport, issue1453_segfault) {
+    static const char *curObjModel =
+            "v  0.0  0.0  0.0\n"
+            "v  0.0  0.0  1.0\n"
+            "v  0.0  1.0  0.0\n"
+            "v  0.0  1.0  1.0\n"
+            "v  1.0  0.0  0.0\n"
+            "v  1.0  0.0  1.0\n"
+            "v  1.0  1.0  0.0\n"
+            "v  1.0  1.0  1.0\nB";
+
+    Assimp::Importer myimporter;
+    const aiScene *scene = myimporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), aiProcess_ValidateDataStructure);
+    EXPECT_EQ(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, relative_indices_Test) {
+    static const char *curObjModel =
+            "v -0.500000 0.000000 0.400000\n"
+            "v -0.500000 0.000000 -0.800000\n"
+            "v -0.500000 1.000000 -0.800000\n"
+            "v -0.500000 1.000000 0.400000\n"
+            "f -4 -3 -2 -1\nB";
+
+    Assimp::Importer myimporter;
+    const aiScene *scene = myimporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), aiProcess_ValidateDataStructure);
+    EXPECT_NE(nullptr, scene);
+
+    EXPECT_EQ(scene->mNumMeshes, 1U);
+    const aiMesh *mesh = scene->mMeshes[0];
+    EXPECT_EQ(mesh->mNumVertices, 4U);
+    EXPECT_EQ(mesh->mNumFaces, 1U);
+    const aiFace face = mesh->mFaces[0];
+    EXPECT_EQ(face.mNumIndices, 4U);
+    for (unsigned int i = 0; i < face.mNumIndices; ++i) {
+        EXPECT_EQ(face.mIndices[i], i);
+    }
+}
+
+TEST_F(utObjImportExport, homogeneous_coordinates_Test) {
+    static const char *curObjModel =
+            "v -0.500000 0.000000 0.400000 0.50000\n"
+            "v -0.500000 0.000000 -0.800000 1.00000\n"
+            "v 0.500000 1.000000 -0.800000 0.5000\n"
+            "f 1 2 3\nB";
+
+    Assimp::Importer myimporter;
+    const aiScene *scene = myimporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), aiProcess_ValidateDataStructure);
+    EXPECT_NE(nullptr, scene);
+
+    EXPECT_EQ(scene->mNumMeshes, 1U);
+    const aiMesh *mesh = scene->mMeshes[0];
+    EXPECT_EQ(mesh->mNumVertices, 3U);
+    EXPECT_EQ(mesh->mNumFaces, 1U);
+    const aiFace face = mesh->mFaces[0];
+    EXPECT_EQ(face.mNumIndices, 3U);
+    const aiVector3D vertice = mesh->mVertices[0];
+    EXPECT_EQ(vertice.x, -1.0f);
+    EXPECT_EQ(vertice.y, 0.0f);
+    EXPECT_EQ(vertice.z, 0.8f);
+}
+
+TEST_F(utObjImportExport, homogeneous_coordinates_divide_by_zero_Test) {
+    static const char *curObjModel =
+            "v -0.500000 0.000000 0.400000 0.\n"
+            "v -0.500000 0.000000 -0.800000 1.00000\n"
+            "v 0.500000 1.000000 -0.800000 0.5000\n"
+            "f 1 2 3\nB";
+
+    Assimp::Importer myimporter;
+    const aiScene *scene = myimporter.ReadFileFromMemory(curObjModel, std::strlen(curObjModel), aiProcess_ValidateDataStructure);
+    EXPECT_EQ(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, 0based_array_Test) {
+    static const char *curObjModel =
+            "v -0.500000 0.000000 0.400000\n"
+            "v -0.500000 0.000000 -0.800000\n"
+            "v -0.500000 1.000000 -0.800000\n"
+            "f 0 1 2\nB";
+
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), 0);
+    EXPECT_EQ(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, invalid_normals_uvs) {
+    static const char *curObjModel =
+            "v -0.500000 0.000000 0.400000\n"
+            "v -0.500000 0.000000 -0.800000\n"
+            "v -0.500000 1.000000 -0.800000\n"
+            "vt 0 0\n"
+            "vn 0 1 0\n"
+            "f 1/1/1 1/1/1 2/2/2\nB";
+
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), 0);
+    EXPECT_NE(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, no_vt_just_vns) {
+    static const char *curObjModel =
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 0 0 0\n"
+            "v 10 0 0\n"
+            "v 0 10 0\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "vn 0 0 1\n"
+            "f 10/10 11/11 12/12\n";
+
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), 0);
+    EXPECT_NE(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, mtllib_after_g) {
+    ::Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/cube_mtllib_after_g.obj", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, scene);
+
+    EXPECT_EQ(scene->mNumMeshes, 1U);
+    const aiMesh *mesh = scene->mMeshes[0];
+    const aiMaterial *mat = scene->mMaterials[mesh->mMaterialIndex];
+    aiString name;
+    ASSERT_EQ(aiReturn_SUCCESS, mat->Get(AI_MATKEY_NAME, name));
+    EXPECT_STREQ("MyMaterial", name.C_Str());
+}
+
+TEST_F(utObjImportExport, import_point_cloud) {
+    ::Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/point_cloud.obj", 0);
+    ASSERT_NE(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, import_without_linend) {
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/box_without_lineending.obj", 0);
+    ASSERT_NE(nullptr, scene);
+}
+
+TEST_F(utObjImportExport, import_with_line_continuations) {
+    static const char *curObjModel =
+            "v -0.5 -0.5 0.5\n"
+            "v -0.5 \\\n"
+            "  -0.5 -0.5\n"
+            "v -0.5 \\\n"
+            "   0.5 \\\n"
+            "   -0.5\n"
+            "f 1 2 3\n";
+
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFileFromMemory(curObjModel, strlen(curObjModel), 0);
+    EXPECT_NE(nullptr, scene);
+
+    EXPECT_EQ(scene->mNumMeshes, 1U);
+    EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 3U);
+    EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 1U);
+
+    auto vertices = scene->mMeshes[0]->mVertices;
+    const float threshold = 0.0001f;
+
+    EXPECT_NEAR(vertices[0].x, -0.5f, threshold);
+    EXPECT_NEAR(vertices[0].y, -0.5f, threshold);
+    EXPECT_NEAR(vertices[0].z, 0.5f, threshold);
+
+    EXPECT_NEAR(vertices[1].x, -0.5f, threshold);
+    EXPECT_NEAR(vertices[1].y, -0.5f, threshold);
+    EXPECT_NEAR(vertices[1].z, -0.5f, threshold);
+
+    EXPECT_NEAR(vertices[2].x, -0.5f, threshold);
+    EXPECT_NEAR(vertices[2].y, 0.5f, threshold);
+    EXPECT_NEAR(vertices[2].z, -0.5f, threshold);
+}