add assimp submodule

1 files changed, 410 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/test/unit/utColladaImportExport.cpp b/src/mesh/assimp-master/test/unit/utColladaImportExport.cpp
new file mode 100644
index 0000000..b58fa03
--- /dev/null
+++ b/src/mesh/assimp-master/test/unit/utColladaImportExport.cpp
@@ -0,0 +1,410 @@
+/*
+---------------------------------------------------------------------------
+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 <assimp/ColladaMetaData.h>
+#include <assimp/SceneCombiner.h>
+#include <assimp/commonMetaData.h>
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/Exporter.hpp>
+#include <assimp/Importer.hpp>
+
+using namespace Assimp;
+
+class utColladaImportExport : public AbstractImportExportBase {
+public:
+    // Clones the scene in an exception-safe way
+    struct SceneCloner {
+        SceneCloner(const aiScene *scene) {
+            sceneCopy = nullptr;
+            SceneCombiner::CopyScene(&sceneCopy, scene);
+        }
+
+        ~SceneCloner() {
+            delete sceneCopy;
+            sceneCopy = nullptr;
+        }
+        aiScene *sceneCopy;
+    };
+
+    virtual bool importerTest() final {
+        Assimp::Importer importer;
+        const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck.dae", aiProcess_ValidateDataStructure);
+        if (scene == nullptr)
+            return false;
+
+        // Expected number of items
+        EXPECT_EQ(scene->mNumMeshes, 1u);
+        EXPECT_EQ(scene->mNumMaterials, 1u);
+        EXPECT_EQ(scene->mNumAnimations, 0u);
+        EXPECT_EQ(scene->mNumTextures, 0u);
+        EXPECT_EQ(scene->mNumLights, 1u);
+        EXPECT_EQ(scene->mNumCameras, 1u);
+
+        // Expected common metadata
+        aiString value;
+        EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT, value)) << "No importer format metadata";
+        EXPECT_STREQ("Collada Importer", value.C_Str());
+
+        EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT_VERSION, value)) << "No format version metadata";
+        EXPECT_STREQ("1.4.1", value.C_Str());
+
+        EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_GENERATOR, value)) << "No generator metadata";
+        EXPECT_EQ(strncmp(value.C_Str(), "Maya 8.0", 8), 0) << "AI_METADATA_SOURCE_GENERATOR was: " << value.C_Str();
+
+        EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_COPYRIGHT, value)) << "No copyright metadata";
+        EXPECT_EQ(strncmp(value.C_Str(), "Copyright 2006", 14), 0) << "AI_METADATA_SOURCE_COPYRIGHT was: " << value.C_Str();
+
+        return true;
+    }
+
+    typedef std::pair<std::string, std::string> IdNameString;
+    typedef std::map<std::string, std::string> IdNameMap;
+
+    template <typename T>
+    static inline IdNameString GetColladaIdName(const T *item, size_t index) {
+        std::ostringstream stream;
+        stream << typeid(T).name() << "@" << index;
+        if (item->mMetaData) {
+            aiString aiStr;
+            if (item->mMetaData->Get(AI_METADATA_COLLADA_ID, aiStr))
+                return std::make_pair(std::string(aiStr.C_Str()), stream.str());
+        }
+        return std::make_pair(std::string(), stream.str());
+    }
+
+    template <typename T>
+    static inline IdNameString GetItemIdName(const T *item, size_t index) {
+        std::ostringstream stream;
+        stream << typeid(T).name() << "@" << index;
+        return std::make_pair(std::string(item->mName.C_Str()), stream.str());
+    }
+
+    // Specialisations
+    static inline IdNameString GetItemIdName(aiMaterial *item, size_t index) {
+        std::ostringstream stream;
+        stream << typeid(aiMaterial).name() << "@" << index;
+        return std::make_pair(std::string(item->GetName().C_Str()), stream.str());
+    }
+
+    static inline IdNameString GetItemIdName(aiTexture *item, size_t index) {
+        std::ostringstream stream;
+        stream << typeid(aiTexture).name() << "@" << index;
+        return std::make_pair(std::string(item->mFilename.C_Str()), stream.str());
+    }
+
+    static inline void ReportDuplicate(IdNameMap &itemIdMap, const IdNameString &namePair, const char *typeNameStr) {
+        const auto result = itemIdMap.insert(namePair);
+        EXPECT_TRUE(result.second) << "Duplicate '" << typeNameStr << "' name: '" << namePair.first << "'. " << namePair.second << " == " << result.first->second;
+    }
+
+    template <typename T>
+    static inline void CheckUniqueIds(IdNameMap &itemIdMap, unsigned int itemCount, T **itemArray) {
+        for (size_t idx = 0; idx < itemCount; ++idx) {
+            IdNameString namePair = GetItemIdName(itemArray[idx], idx);
+            ReportDuplicate(itemIdMap, namePair, typeid(T).name());
+        }
+    }
+
+    static inline void CheckUniqueIds(IdNameMap &itemIdMap, const aiNode *parent, size_t index) {
+        IdNameString namePair = GetItemIdName(parent, index);
+        ReportDuplicate(itemIdMap, namePair, typeid(aiNode).name());
+
+        for (size_t idx = 0; idx < parent->mNumChildren; ++idx) {
+            CheckUniqueIds(itemIdMap, parent->mChildren[idx], idx);
+        }
+    }
+
+    static inline void CheckNodeIdNames(IdNameMap &nodeIdMap, IdNameMap &nodeNameMap, const aiNode *parent, size_t index) {
+        IdNameString namePair = GetItemIdName(parent, index);
+        IdNameString idPair = GetColladaIdName(parent, index);
+        ReportDuplicate(nodeIdMap, idPair, typeid(aiNode).name());
+
+        for (size_t idx = 0; idx < parent->mNumChildren; ++idx) {
+            CheckNodeIdNames(nodeIdMap, nodeNameMap, parent->mChildren[idx], idx);
+        }
+    }
+
+    static inline void SetAllNodeNames(const aiString &newName, aiNode *node) {
+        node->mName = newName;
+        for (size_t idx = 0; idx < node->mNumChildren; ++idx) {
+            SetAllNodeNames(newName, node->mChildren[idx]);
+        }
+    }
+
+    void ImportAndCheckIds(const char *file, const aiScene *origScene) {
+        // Import the Collada using the 'default' where aiNode and aiMesh names are the Collada ids
+        Assimp::Importer importer;
+        const aiScene *scene = importer.ReadFile(file, aiProcess_ValidateDataStructure);
+        ASSERT_TRUE(scene != nullptr) << "Fatal: could not re-import " << file;
+        EXPECT_EQ(origScene->mNumMeshes, scene->mNumMeshes) << "in " << file;
+
+        // Check the ids are unique
+        IdNameMap itemIdMap;
+        // Recurse the Nodes
+        CheckUniqueIds(itemIdMap, scene->mRootNode, 0);
+        // Check the lists
+        CheckUniqueIds(itemIdMap, scene->mNumMeshes, scene->mMeshes);
+        // The remaining will come in using the name, which may not be unique
+        // Check we have the right number
+        EXPECT_EQ(origScene->mNumAnimations, scene->mNumAnimations);
+        EXPECT_EQ(origScene->mNumMaterials, scene->mNumMaterials);
+        EXPECT_EQ(origScene->mNumTextures, scene->mNumTextures);
+        EXPECT_EQ(origScene->mNumLights, scene->mNumLights);
+        EXPECT_EQ(origScene->mNumCameras, scene->mNumCameras);
+    }
+
+    void ImportAsNames(const char *file, const aiScene *origScene) {
+        // Import the Collada but using the user-visible names for aiNode and aiMesh
+        // Note that this mode may not support bones or animations
+        Assimp::Importer importer;
+        importer.SetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES, 1);
+
+        const aiScene *scene = importer.ReadFile(file, aiProcess_ValidateDataStructure);
+        ASSERT_TRUE(scene != nullptr) << "Fatal: could not re-import " << file;
+        EXPECT_EQ(origScene->mNumMeshes, scene->mNumMeshes) << "in " << file;
+
+        // Check the node ids are unique but the node names are not
+        IdNameMap nodeIdMap;
+        IdNameMap nodeNameMap;
+        // Recurse the Nodes
+        CheckNodeIdNames(nodeIdMap, nodeNameMap, scene->mRootNode, 0);
+
+        // nodeNameMap should have fewer than nodeIdMap
+        EXPECT_LT(nodeNameMap.size(), nodeIdMap.size()) << "Some nodes should have the same names";
+        // Check the counts haven't changed
+        EXPECT_EQ(origScene->mNumAnimations, scene->mNumAnimations);
+        EXPECT_EQ(origScene->mNumMaterials, scene->mNumMaterials);
+        EXPECT_EQ(origScene->mNumTextures, scene->mNumTextures);
+        EXPECT_EQ(origScene->mNumLights, scene->mNumLights);
+        EXPECT_EQ(origScene->mNumCameras, scene->mNumCameras);
+    }
+};
+
+TEST_F(utColladaImportExport, importDaeFromFileTest) {
+    EXPECT_TRUE(importerTest());
+}
+
+unsigned int GetMeshUseCount(const aiNode *rootNode) {
+    unsigned int result = rootNode->mNumMeshes;
+    for (unsigned int i = 0; i < rootNode->mNumChildren; ++i) {
+        result += GetMeshUseCount(rootNode->mChildren[i]);
+    }
+    return result;
+}
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+TEST_F(utColladaImportExport, exportRootNodeMeshTest) {
+    Assimp::Importer importer;
+    Assimp::Exporter exporter;
+    const char *outFile = "exportRootNodeMeshTest_out.dae";
+
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck.dae", aiProcess_ValidateDataStructure);
+    ASSERT_TRUE(scene != nullptr) << "Fatal: could not import duck.dae!";
+
+    ASSERT_EQ(0u, scene->mRootNode->mNumMeshes) << "Collada import should not give the root node a mesh";
+
+    {
+        SceneCloner clone(scene);
+        ASSERT_TRUE(clone.sceneCopy != nullptr) << "Fatal: could not copy scene!";
+        // Do this by moving the meshes from the first child that has some
+        aiNode *rootNode = clone.sceneCopy->mRootNode;
+        ASSERT_TRUE(rootNode->mNumChildren > 0) << "Fatal: root has no children";
+        aiNode *meshNode = rootNode->mChildren[0];
+        ASSERT_EQ(1u, meshNode->mNumMeshes) << "Fatal: First child node has no duck mesh";
+
+        // Move the meshes to the parent
+        rootNode->mNumMeshes = meshNode->mNumMeshes;
+        rootNode->mMeshes = new unsigned int[rootNode->mNumMeshes];
+        for (unsigned int i = 0; i < rootNode->mNumMeshes; ++i) {
+            rootNode->mMeshes[i] = meshNode->mMeshes[i];
+        }
+
+        // Remove the meshes from the original node
+        meshNode->mNumMeshes = 0;
+        delete[] meshNode->mMeshes;
+        meshNode->mMeshes = nullptr;
+
+        ASSERT_EQ(AI_SUCCESS, exporter.Export(clone.sceneCopy, "collada", outFile)) << "Fatal: Could not export file";
+    }
+
+    // Reimport and look for meshes
+    scene = importer.ReadFile(outFile, aiProcess_ValidateDataStructure);
+    ASSERT_TRUE(scene != nullptr) << "Fatal: could not reimport!";
+
+    // A Collada root node is not allowed to have a mesh
+    ASSERT_EQ(0u, scene->mRootNode->mNumMeshes) << "Collada reimport should not give the root node a mesh";
+
+    // Walk nodes and counts used meshes
+    // Should be exactly one
+    EXPECT_EQ(1u, GetMeshUseCount(scene->mRootNode)) << "Nodes had unexpected number of meshes in use";
+}
+
+TEST_F(utColladaImportExport, exporterUniqueIdsTest) {
+    Assimp::Importer importer;
+    Assimp::Exporter exporter;
+    const char *outFileEmpty = "exportMeshIdTest_empty_out.dae";
+    const char *outFileNamed = "exportMeshIdTest_named_out.dae";
+
+    // Load a sample file containing multiple meshes
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/teapots.DAE", aiProcess_ValidateDataStructure);
+
+    ASSERT_TRUE(scene != nullptr) << "Fatal: could not import teapots.DAE!";
+    ASSERT_EQ(3u, scene->mNumMeshes) << "Fatal: teapots.DAE initial load failed";
+
+    // Clear all the names
+    for (size_t idx = 0; idx < scene->mNumMeshes; ++idx) {
+        scene->mMeshes[idx]->mName.Clear();
+    }
+    for (size_t idx = 0; idx < scene->mNumMaterials; ++idx) {
+        scene->mMaterials[idx]->RemoveProperty(AI_MATKEY_NAME);
+    }
+    for (size_t idx = 0; idx < scene->mNumAnimations; ++idx) {
+        scene->mAnimations[idx]->mName.Clear();
+    }
+    // Can't clear texture names
+    for (size_t idx = 0; idx < scene->mNumLights; ++idx) {
+        scene->mLights[idx]->mName.Clear();
+    }
+    for (size_t idx = 0; idx < scene->mNumCameras; ++idx) {
+        scene->mCameras[idx]->mName.Clear();
+    }
+
+    SetAllNodeNames(aiString(), scene->mRootNode);
+
+    ASSERT_EQ(AI_SUCCESS, exporter.Export(scene, "collada", outFileEmpty)) << "Fatal: Could not export un-named meshes file";
+
+    ImportAndCheckIds(outFileEmpty, scene);
+
+    // Force everything to have the same non-empty name
+    aiString testName("test_name");
+    for (size_t idx = 0; idx < scene->mNumMeshes; ++idx) {
+        scene->mMeshes[idx]->mName = testName;
+    }
+    for (size_t idx = 0; idx < scene->mNumMaterials; ++idx) {
+        scene->mMaterials[idx]->AddProperty(&testName, AI_MATKEY_NAME);
+    }
+    for (size_t idx = 0; idx < scene->mNumAnimations; ++idx) {
+        scene->mAnimations[idx]->mName = testName;
+    }
+    // Can't clear texture names
+    for (size_t idx = 0; idx < scene->mNumLights; ++idx) {
+        scene->mLights[idx]->mName = testName;
+    }
+    for (size_t idx = 0; idx < scene->mNumCameras; ++idx) {
+        scene->mCameras[idx]->mName = testName;
+    }
+
+    SetAllNodeNames(testName, scene->mRootNode);
+
+    ASSERT_EQ(AI_SUCCESS, exporter.Export(scene, "collada", outFileNamed)) << "Fatal: Could not export named meshes file";
+
+    ImportAndCheckIds(outFileNamed, scene);
+    ImportAsNames(outFileNamed, scene);
+}
+
+#endif
+
+class utColladaZaeImportExport : public AbstractImportExportBase {
+public:
+    virtual bool importerTest() final {
+        {
+            Assimp::Importer importer;
+            const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck.zae", aiProcess_ValidateDataStructure);
+            if (scene == nullptr)
+                return false;
+
+            // Expected number of items
+            EXPECT_EQ(scene->mNumMeshes, 1u);
+            EXPECT_EQ(scene->mNumMaterials, 1u);
+            EXPECT_EQ(scene->mNumAnimations, 0u);
+            //EXPECT_EQ(scene->mNumTextures, 1u);
+            EXPECT_EQ(scene->mNumLights, 1u);
+            EXPECT_EQ(scene->mNumCameras, 1u);
+        }
+
+        {
+            Assimp::Importer importer;
+            const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck_nomanifest.zae", aiProcess_ValidateDataStructure);
+            if (scene == nullptr)
+                return false;
+
+            // Expected number of items
+            EXPECT_EQ(scene->mNumMeshes, 1u);
+            EXPECT_EQ(scene->mNumMaterials, 1u);
+            EXPECT_EQ(scene->mNumAnimations, 0u);
+            //EXPECT_EQ(scene->mNumTextures, 1u);
+            EXPECT_EQ(scene->mNumLights, 1u);
+            EXPECT_EQ(scene->mNumCameras, 1u);
+        }
+
+        return true;
+    }
+};
+
+TEST_F(utColladaZaeImportExport, importBlenFromFileTest) {
+    EXPECT_TRUE(importerTest());
+}
+
+TEST_F(utColladaZaeImportExport, importMakeHumanTest) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/human.zae", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, scene);
+
+    // Expected number of items
+    EXPECT_EQ(scene->mNumMeshes, 2u);
+    EXPECT_EQ(scene->mNumMaterials, 2u);
+    EXPECT_EQ(scene->mNumAnimations, 0u);
+    EXPECT_EQ(scene->mNumTextures, 2u);
+    EXPECT_EQ(scene->mNumLights, 0u);
+    EXPECT_EQ(scene->mNumCameras, 0u);
+
+    // Expected common metadata
+    aiString value;
+    EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT, value)) << "No importer format metadata";
+    EXPECT_STREQ("Collada Importer", value.C_Str());
+
+    EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT_VERSION, value)) << "No format version metadata";
+    EXPECT_STREQ("1.4.1", value.C_Str());
+}