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diff --git a/src/mesh/assimp-master/code/Common/Assimp.cpp b/src/mesh/assimp-master/code/Common/Assimp.cpp
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+/*
+---------------------------------------------------------------------------
+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.
+---------------------------------------------------------------------------
+*/
+/** @file Assimp.cpp
+ * @brief Implementation of the Plain-C API
+ */
+
+#include <assimp/BaseImporter.h>
+#include <assimp/Exceptional.h>
+#include <assimp/GenericProperty.h>
+#include <assimp/cimport.h>
+#include <assimp/importerdesc.h>
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/Importer.hpp>
+#include <assimp/LogStream.hpp>
+
+#include "CApi/CInterfaceIOWrapper.h"
+#include "Importer.h"
+#include "ScenePrivate.h"
+
+#include <list>
+
+// ------------------------------------------------------------------------------------------------
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+#include <mutex>
+#include <thread>
+#endif
+// ------------------------------------------------------------------------------------------------
+using namespace Assimp;
+
+namespace Assimp {
+// underlying structure for aiPropertyStore
+typedef BatchLoader::PropertyMap PropertyMap;
+
+#if defined(__has_warning)
+#if __has_warning("-Wordered-compare-function-pointers")
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wordered-compare-function-pointers"
+#endif
+#endif
+
+/** Stores the LogStream objects for all active C log streams */
+struct mpred {
+ bool operator()(const aiLogStream &s0, const aiLogStream &s1) const {
+ return s0.callback < s1.callback && s0.user < s1.user;
+ }
+};
+
+#if defined(__has_warning)
+#if __has_warning("-Wordered-compare-function-pointers")
+#pragma GCC diagnostic pop
+#endif
+#endif
+typedef std::map<aiLogStream, Assimp::LogStream *, mpred> LogStreamMap;
+
+/** Stores the LogStream objects allocated by #aiGetPredefinedLogStream */
+typedef std::list<Assimp::LogStream *> PredefLogStreamMap;
+
+/** Local storage of all active log streams */
+static LogStreamMap gActiveLogStreams;
+
+/** Local storage of LogStreams allocated by #aiGetPredefinedLogStream */
+static PredefLogStreamMap gPredefinedStreams;
+
+/** Error message of the last failed import process */
+static std::string gLastErrorString;
+
+/** Verbose logging active or not? */
+static aiBool gVerboseLogging = false;
+
+/** will return all registered importers. */
+void GetImporterInstanceList(std::vector<BaseImporter *> &out);
+
+/** will delete all registered importers. */
+void DeleteImporterInstanceList(std::vector<BaseImporter *> &out);
+} // namespace Assimp
+
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+/** Global mutex to manage the access to the log-stream map */
+static std::mutex gLogStreamMutex;
+#endif
+
+// ------------------------------------------------------------------------------------------------
+// Custom LogStream implementation for the C-API
+class LogToCallbackRedirector : public LogStream {
+public:
+ explicit LogToCallbackRedirector(const aiLogStream &s) :
+ stream(s) {
+ ai_assert(nullptr != s.callback);
+ }
+
+ ~LogToCallbackRedirector() {
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+ std::lock_guard<std::mutex> lock(gLogStreamMutex);
+#endif
+ // (HACK) Check whether the 'stream.user' pointer points to a
+ // custom LogStream allocated by #aiGetPredefinedLogStream.
+ // In this case, we need to delete it, too. Of course, this
+ // might cause strange problems, but the chance is quite low.
+
+ PredefLogStreamMap::iterator it = std::find(gPredefinedStreams.begin(),
+ gPredefinedStreams.end(), (Assimp::LogStream *)stream.user);
+
+ if (it != gPredefinedStreams.end()) {
+ delete *it;
+ gPredefinedStreams.erase(it);
+ }
+ }
+
+ /** @copydoc LogStream::write */
+ void write(const char *message) {
+ stream.callback(message, stream.user);
+ }
+
+private:
+ aiLogStream stream;
+};
+
+// ------------------------------------------------------------------------------------------------
+void ReportSceneNotFoundError() {
+ ASSIMP_LOG_ERROR("Unable to find the Assimp::Importer for this aiScene. "
+ "The C-API does not accept scenes produced by the C++ API and vice versa");
+
+ ai_assert(false);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Reads the given file and returns its content.
+const aiScene *aiImportFile(const char *pFile, unsigned int pFlags) {
+ return aiImportFileEx(pFile, pFlags, nullptr);
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiScene *aiImportFileEx(const char *pFile, unsigned int pFlags, aiFileIO *pFS) {
+ return aiImportFileExWithProperties(pFile, pFlags, pFS, nullptr);
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiScene *aiImportFileExWithProperties(const char *pFile, unsigned int pFlags,
+ aiFileIO *pFS, const aiPropertyStore *props) {
+ ai_assert(nullptr != pFile);
+
+ const aiScene *scene = nullptr;
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // create an Importer for this file
+ Assimp::Importer *imp = new Assimp::Importer();
+
+ // copy properties
+ if (props) {
+ const PropertyMap *pp = reinterpret_cast<const PropertyMap *>(props);
+ ImporterPimpl *pimpl = imp->Pimpl();
+ pimpl->mIntProperties = pp->ints;
+ pimpl->mFloatProperties = pp->floats;
+ pimpl->mStringProperties = pp->strings;
+ pimpl->mMatrixProperties = pp->matrices;
+ }
+ // setup a custom IO system if necessary
+ if (pFS) {
+ imp->SetIOHandler(new CIOSystemWrapper(pFS));
+ }
+
+ // and have it read the file
+ scene = imp->ReadFile(pFile, pFlags);
+
+ // if succeeded, store the importer in the scene and keep it alive
+ if (scene) {
+ ScenePrivateData *priv = const_cast<ScenePrivateData *>(ScenePriv(scene));
+ priv->mOrigImporter = imp;
+ } else {
+ // if failed, extract error code and destroy the import
+ gLastErrorString = imp->GetErrorString();
+ delete imp;
+ }
+
+ // return imported data. If the import failed the pointer is nullptr anyways
+ ASSIMP_END_EXCEPTION_REGION(const aiScene *);
+
+ return scene;
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiScene *aiImportFileFromMemory(
+ const char *pBuffer,
+ unsigned int pLength,
+ unsigned int pFlags,
+ const char *pHint) {
+ return aiImportFileFromMemoryWithProperties(pBuffer, pLength, pFlags, pHint, nullptr);
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiScene *aiImportFileFromMemoryWithProperties(
+ const char *pBuffer,
+ unsigned int pLength,
+ unsigned int pFlags,
+ const char *pHint,
+ const aiPropertyStore *props) {
+ ai_assert(nullptr != pBuffer);
+ ai_assert(0 != pLength);
+
+ const aiScene *scene = nullptr;
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // create an Importer for this file
+ Assimp::Importer *imp = new Assimp::Importer();
+
+ // copy properties
+ if (props) {
+ const PropertyMap *pp = reinterpret_cast<const PropertyMap *>(props);
+ ImporterPimpl *pimpl = imp->Pimpl();
+ pimpl->mIntProperties = pp->ints;
+ pimpl->mFloatProperties = pp->floats;
+ pimpl->mStringProperties = pp->strings;
+ pimpl->mMatrixProperties = pp->matrices;
+ }
+
+ // and have it read the file from the memory buffer
+ scene = imp->ReadFileFromMemory(pBuffer, pLength, pFlags, pHint);
+
+ // if succeeded, store the importer in the scene and keep it alive
+ if (scene) {
+ ScenePrivateData *priv = const_cast<ScenePrivateData *>(ScenePriv(scene));
+ priv->mOrigImporter = imp;
+ } else {
+ // if failed, extract error code and destroy the import
+ gLastErrorString = imp->GetErrorString();
+ delete imp;
+ }
+ // return imported data. If the import failed the pointer is nullptr anyways
+ ASSIMP_END_EXCEPTION_REGION(const aiScene *);
+ return scene;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Releases all resources associated with the given import process.
+void aiReleaseImport(const aiScene *pScene) {
+ if (!pScene) {
+ return;
+ }
+
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // find the importer associated with this data
+ const ScenePrivateData *priv = ScenePriv(pScene);
+ if (!priv || !priv->mOrigImporter) {
+ delete pScene;
+ } else {
+ // deleting the Importer also deletes the scene
+ // Note: the reason that this is not written as 'delete priv->mOrigImporter'
+ // is a suspected bug in gcc 4.4+ (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52339)
+ Importer *importer = priv->mOrigImporter;
+ delete importer;
+ }
+
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API const aiScene *aiApplyPostProcessing(const aiScene *pScene,
+ unsigned int pFlags) {
+ const aiScene *sc = nullptr;
+
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // find the importer associated with this data
+ const ScenePrivateData *priv = ScenePriv(pScene);
+ if (!priv || !priv->mOrigImporter) {
+ ReportSceneNotFoundError();
+ return nullptr;
+ }
+
+ sc = priv->mOrigImporter->ApplyPostProcessing(pFlags);
+
+ if (!sc) {
+ aiReleaseImport(pScene);
+ return nullptr;
+ }
+
+ ASSIMP_END_EXCEPTION_REGION(const aiScene *);
+ return sc;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API const aiScene *aiApplyCustomizedPostProcessing(const aiScene *scene,
+ BaseProcess *process,
+ bool requestValidation) {
+ const aiScene *sc(nullptr);
+
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // find the importer associated with this data
+ const ScenePrivateData *priv = ScenePriv(scene);
+ if (nullptr == priv || nullptr == priv->mOrigImporter) {
+ ReportSceneNotFoundError();
+ return nullptr;
+ }
+
+ sc = priv->mOrigImporter->ApplyCustomizedPostProcessing(process, requestValidation);
+
+ if (!sc) {
+ aiReleaseImport(scene);
+ return nullptr;
+ }
+
+ ASSIMP_END_EXCEPTION_REGION(const aiScene *);
+
+ return sc;
+}
+
+// ------------------------------------------------------------------------------------------------
+void CallbackToLogRedirector(const char *msg, char *dt) {
+ ai_assert(nullptr != msg);
+ ai_assert(nullptr != dt);
+ LogStream *s = (LogStream *)dt;
+
+ s->write(msg);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API aiLogStream aiGetPredefinedLogStream(aiDefaultLogStream pStream, const char *file) {
+ aiLogStream sout;
+
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+ LogStream *stream = LogStream::createDefaultStream(pStream, file);
+ if (!stream) {
+ sout.callback = nullptr;
+ sout.user = nullptr;
+ } else {
+ sout.callback = &CallbackToLogRedirector;
+ sout.user = (char *)stream;
+ }
+ gPredefinedStreams.push_back(stream);
+ ASSIMP_END_EXCEPTION_REGION(aiLogStream);
+ return sout;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiAttachLogStream(const aiLogStream *stream) {
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+ std::lock_guard<std::mutex> lock(gLogStreamMutex);
+#endif
+
+ LogStream *lg = new LogToCallbackRedirector(*stream);
+ gActiveLogStreams[*stream] = lg;
+
+ if (DefaultLogger::isNullLogger()) {
+ DefaultLogger::create(nullptr, (gVerboseLogging == AI_TRUE ? Logger::VERBOSE : Logger::NORMAL));
+ }
+ DefaultLogger::get()->attachStream(lg);
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API aiReturn aiDetachLogStream(const aiLogStream *stream) {
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+ std::lock_guard<std::mutex> lock(gLogStreamMutex);
+#endif
+ // find the log-stream associated with this data
+ LogStreamMap::iterator it = gActiveLogStreams.find(*stream);
+ // it should be there... else the user is playing fools with us
+ if (it == gActiveLogStreams.end()) {
+ return AI_FAILURE;
+ }
+ DefaultLogger::get()->detachStream(it->second);
+ delete it->second;
+
+ gActiveLogStreams.erase(it);
+
+ if (gActiveLogStreams.empty()) {
+ DefaultLogger::kill();
+ }
+ ASSIMP_END_EXCEPTION_REGION(aiReturn);
+ return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiDetachAllLogStreams(void) {
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+ std::lock_guard<std::mutex> lock(gLogStreamMutex);
+#endif
+ Logger *logger(DefaultLogger::get());
+ if (nullptr == logger) {
+ return;
+ }
+
+ for (LogStreamMap::iterator it = gActiveLogStreams.begin(); it != gActiveLogStreams.end(); ++it) {
+ logger->detachStream(it->second);
+ delete it->second;
+ }
+ gActiveLogStreams.clear();
+ DefaultLogger::kill();
+
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiEnableVerboseLogging(aiBool d) {
+ if (!DefaultLogger::isNullLogger()) {
+ DefaultLogger::get()->setLogSeverity((d == AI_TRUE ? Logger::VERBOSE : Logger::NORMAL));
+ }
+ gVerboseLogging = d;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns the error text of the last failed import process.
+const char *aiGetErrorString() {
+ return gLastErrorString.c_str();
+}
+
+// -----------------------------------------------------------------------------------------------
+// Return the description of a importer given its index
+const aiImporterDesc *aiGetImportFormatDescription(size_t pIndex) {
+ return Importer().GetImporterInfo(pIndex);
+}
+
+// -----------------------------------------------------------------------------------------------
+// Return the number of importers
+size_t aiGetImportFormatCount(void) {
+ return Importer().GetImporterCount();
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns the error text of the last failed import process.
+aiBool aiIsExtensionSupported(const char *szExtension) {
+ ai_assert(nullptr != szExtension);
+ aiBool candoit = AI_FALSE;
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // FIXME: no need to create a temporary Importer instance just for that ..
+ Assimp::Importer tmp;
+ candoit = tmp.IsExtensionSupported(std::string(szExtension)) ? AI_TRUE : AI_FALSE;
+
+ ASSIMP_END_EXCEPTION_REGION(aiBool);
+ return candoit;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a list of all file extensions supported by ASSIMP
+void aiGetExtensionList(aiString *szOut) {
+ ai_assert(nullptr != szOut);
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // FIXME: no need to create a temporary Importer instance just for that ..
+ Assimp::Importer tmp;
+ tmp.GetExtensionList(*szOut);
+
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the memory requirements for a particular import.
+void aiGetMemoryRequirements(const C_STRUCT aiScene *pIn,
+ C_STRUCT aiMemoryInfo *in) {
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+
+ // find the importer associated with this data
+ const ScenePrivateData *priv = ScenePriv(pIn);
+ if (!priv || !priv->mOrigImporter) {
+ ReportSceneNotFoundError();
+ return;
+ }
+
+ return priv->mOrigImporter->GetMemoryRequirements(*in);
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API aiPropertyStore *aiCreatePropertyStore(void) {
+ return reinterpret_cast<aiPropertyStore *>(new PropertyMap());
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiReleasePropertyStore(aiPropertyStore *p) {
+ delete reinterpret_cast<PropertyMap *>(p);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Importer::SetPropertyInteger
+ASSIMP_API void aiSetImportPropertyInteger(aiPropertyStore *p, const char *szName, int value) {
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+ PropertyMap *pp = reinterpret_cast<PropertyMap *>(p);
+ SetGenericProperty<int>(pp->ints, szName, value);
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Importer::SetPropertyFloat
+ASSIMP_API void aiSetImportPropertyFloat(aiPropertyStore *p, const char *szName, ai_real value) {
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+ PropertyMap *pp = reinterpret_cast<PropertyMap *>(p);
+ SetGenericProperty<ai_real>(pp->floats, szName, value);
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Importer::SetPropertyString
+ASSIMP_API void aiSetImportPropertyString(aiPropertyStore *p, const char *szName,
+ const C_STRUCT aiString *st) {
+ if (!st) {
+ return;
+ }
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+ PropertyMap *pp = reinterpret_cast<PropertyMap *>(p);
+ SetGenericProperty<std::string>(pp->strings, szName, std::string(st->C_Str()));
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Importer::SetPropertyMatrix
+ASSIMP_API void aiSetImportPropertyMatrix(aiPropertyStore *p, const char *szName,
+ const C_STRUCT aiMatrix4x4 *mat) {
+ if (!mat) {
+ return;
+ }
+ ASSIMP_BEGIN_EXCEPTION_REGION();
+ PropertyMap *pp = reinterpret_cast<PropertyMap *>(p);
+ SetGenericProperty<aiMatrix4x4>(pp->matrices, szName, *mat);
+ ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Rotation matrix to quaternion
+ASSIMP_API void aiCreateQuaternionFromMatrix(aiQuaternion *quat, const aiMatrix3x3 *mat) {
+ ai_assert(nullptr != quat);
+ ai_assert(nullptr != mat);
+ *quat = aiQuaternion(*mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Matrix decomposition
+ASSIMP_API void aiDecomposeMatrix(const aiMatrix4x4 *mat, aiVector3D *scaling,
+ aiQuaternion *rotation,
+ aiVector3D *position) {
+ ai_assert(nullptr != rotation);
+ ai_assert(nullptr != position);
+ ai_assert(nullptr != scaling);
+ ai_assert(nullptr != mat);
+ mat->Decompose(*scaling, *rotation, *position);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Matrix transpose
+ASSIMP_API void aiTransposeMatrix3(aiMatrix3x3 *mat) {
+ ai_assert(nullptr != mat);
+ mat->Transpose();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiTransposeMatrix4(aiMatrix4x4 *mat) {
+ ai_assert(nullptr != mat);
+ mat->Transpose();
+}
+
+// ------------------------------------------------------------------------------------------------
+// Vector transformation
+ASSIMP_API void aiTransformVecByMatrix3(aiVector3D *vec,
+ const aiMatrix3x3 *mat) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != vec);
+ *vec *= (*mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiTransformVecByMatrix4(aiVector3D *vec,
+ const aiMatrix4x4 *mat) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != vec);
+
+ *vec *= (*mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Matrix multiplication
+ASSIMP_API void aiMultiplyMatrix4(
+ aiMatrix4x4 *dst,
+ const aiMatrix4x4 *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = (*dst) * (*src);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMultiplyMatrix3(
+ aiMatrix3x3 *dst,
+ const aiMatrix3x3 *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = (*dst) * (*src);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Matrix identity
+ASSIMP_API void aiIdentityMatrix3(
+ aiMatrix3x3 *mat) {
+ ai_assert(nullptr != mat);
+ *mat = aiMatrix3x3();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiIdentityMatrix4(
+ aiMatrix4x4 *mat) {
+ ai_assert(nullptr != mat);
+ *mat = aiMatrix4x4();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API C_STRUCT const aiImporterDesc *aiGetImporterDesc(const char *extension) {
+ if (nullptr == extension) {
+ return nullptr;
+ }
+ const aiImporterDesc *desc(nullptr);
+ std::vector<BaseImporter *> out;
+ GetImporterInstanceList(out);
+ for (size_t i = 0; i < out.size(); ++i) {
+ if (0 == strncmp(out[i]->GetInfo()->mFileExtensions, extension, strlen(extension))) {
+ desc = out[i]->GetInfo();
+ break;
+ }
+ }
+
+ DeleteImporterInstanceList(out);
+
+ return desc;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiVector2AreEqual(
+ const C_STRUCT aiVector2D *a,
+ const C_STRUCT aiVector2D *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return *a == *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiVector2AreEqualEpsilon(
+ const C_STRUCT aiVector2D *a,
+ const C_STRUCT aiVector2D *b,
+ const float epsilon) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return a->Equal(*b, epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2Add(
+ C_STRUCT aiVector2D *dst,
+ const C_STRUCT aiVector2D *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = *dst + *src;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2Subtract(
+ C_STRUCT aiVector2D *dst,
+ const C_STRUCT aiVector2D *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = *dst - *src;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2Scale(
+ C_STRUCT aiVector2D *dst,
+ const float s) {
+ ai_assert(nullptr != dst);
+ *dst *= s;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2SymMul(
+ C_STRUCT aiVector2D *dst,
+ const C_STRUCT aiVector2D *other) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != other);
+ *dst = dst->SymMul(*other);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2DivideByScalar(
+ C_STRUCT aiVector2D *dst,
+ const float s) {
+ ai_assert(nullptr != dst);
+ *dst /= s;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2DivideByVector(
+ C_STRUCT aiVector2D *dst,
+ C_STRUCT aiVector2D *v) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != v);
+ *dst = *dst / *v;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiVector2Length(
+ const C_STRUCT aiVector2D *v) {
+ ai_assert(nullptr != v);
+ return v->Length();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiVector2SquareLength(
+ const C_STRUCT aiVector2D *v) {
+ ai_assert(nullptr != v);
+ return v->SquareLength();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2Negate(
+ C_STRUCT aiVector2D *dst) {
+ ai_assert(nullptr != dst);
+ *dst = -(*dst);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiVector2DotProduct(
+ const C_STRUCT aiVector2D *a,
+ const C_STRUCT aiVector2D *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return (*a) * (*b);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector2Normalize(
+ C_STRUCT aiVector2D *v) {
+ ai_assert(nullptr != v);
+ v->Normalize();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiVector3AreEqual(
+ const C_STRUCT aiVector3D *a,
+ const C_STRUCT aiVector3D *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return *a == *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiVector3AreEqualEpsilon(
+ const C_STRUCT aiVector3D *a,
+ const C_STRUCT aiVector3D *b,
+ const float epsilon) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return a->Equal(*b, epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiVector3LessThan(
+ const C_STRUCT aiVector3D *a,
+ const C_STRUCT aiVector3D *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return *a < *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3Add(
+ C_STRUCT aiVector3D *dst,
+ const C_STRUCT aiVector3D *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = *dst + *src;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3Subtract(
+ C_STRUCT aiVector3D *dst,
+ const C_STRUCT aiVector3D *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = *dst - *src;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3Scale(
+ C_STRUCT aiVector3D *dst,
+ const float s) {
+ ai_assert(nullptr != dst);
+ *dst *= s;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3SymMul(
+ C_STRUCT aiVector3D *dst,
+ const C_STRUCT aiVector3D *other) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != other);
+ *dst = dst->SymMul(*other);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3DivideByScalar(
+ C_STRUCT aiVector3D *dst, const float s) {
+ ai_assert(nullptr != dst);
+ *dst /= s;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3DivideByVector(
+ C_STRUCT aiVector3D *dst,
+ C_STRUCT aiVector3D *v) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != v);
+ *dst = *dst / *v;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiVector3Length(
+ const C_STRUCT aiVector3D *v) {
+ ai_assert(nullptr != v);
+ return v->Length();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiVector3SquareLength(
+ const C_STRUCT aiVector3D *v) {
+ ai_assert(nullptr != v);
+ return v->SquareLength();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3Negate(
+ C_STRUCT aiVector3D *dst) {
+ ai_assert(nullptr != dst);
+ *dst = -(*dst);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiVector3DotProduct(
+ const C_STRUCT aiVector3D *a,
+ const C_STRUCT aiVector3D *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return (*a) * (*b);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3CrossProduct(
+ C_STRUCT aiVector3D *dst,
+ const C_STRUCT aiVector3D *a,
+ const C_STRUCT aiVector3D *b) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ *dst = *a ^ *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3Normalize(
+ C_STRUCT aiVector3D *v) {
+ ai_assert(nullptr != v);
+ v->Normalize();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3NormalizeSafe(
+ C_STRUCT aiVector3D *v) {
+ ai_assert(nullptr != v);
+ v->NormalizeSafe();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiVector3RotateByQuaternion(
+ C_STRUCT aiVector3D *v,
+ const C_STRUCT aiQuaternion *q) {
+ ai_assert(nullptr != v);
+ ai_assert(nullptr != q);
+ *v = q->Rotate(*v);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3FromMatrix4(
+ C_STRUCT aiMatrix3x3 *dst,
+ const C_STRUCT aiMatrix4x4 *mat) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != mat);
+ *dst = aiMatrix3x3(*mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3FromQuaternion(
+ C_STRUCT aiMatrix3x3 *mat,
+ const C_STRUCT aiQuaternion *q) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != q);
+ *mat = q->GetMatrix();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiMatrix3AreEqual(
+ const C_STRUCT aiMatrix3x3 *a,
+ const C_STRUCT aiMatrix3x3 *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return *a == *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiMatrix3AreEqualEpsilon(
+ const C_STRUCT aiMatrix3x3 *a,
+ const C_STRUCT aiMatrix3x3 *b,
+ const float epsilon) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return a->Equal(*b, epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3Inverse(C_STRUCT aiMatrix3x3 *mat) {
+ ai_assert(nullptr != mat);
+ mat->Inverse();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiMatrix3Determinant(const C_STRUCT aiMatrix3x3 *mat) {
+ ai_assert(nullptr != mat);
+ return mat->Determinant();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3RotationZ(
+ C_STRUCT aiMatrix3x3 *mat,
+ const float angle) {
+ ai_assert(nullptr != mat);
+ aiMatrix3x3::RotationZ(angle, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3FromRotationAroundAxis(
+ C_STRUCT aiMatrix3x3 *mat,
+ const C_STRUCT aiVector3D *axis,
+ const float angle) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != axis);
+ aiMatrix3x3::Rotation(angle, *axis, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3Translation(
+ C_STRUCT aiMatrix3x3 *mat,
+ const C_STRUCT aiVector2D *translation) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != translation);
+ aiMatrix3x3::Translation(*translation, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix3FromTo(
+ C_STRUCT aiMatrix3x3 *mat,
+ const C_STRUCT aiVector3D *from,
+ const C_STRUCT aiVector3D *to) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != from);
+ ai_assert(nullptr != to);
+ aiMatrix3x3::FromToMatrix(*from, *to, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4FromMatrix3(
+ C_STRUCT aiMatrix4x4 *dst,
+ const C_STRUCT aiMatrix3x3 *mat) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != mat);
+ *dst = aiMatrix4x4(*mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4FromScalingQuaternionPosition(
+ C_STRUCT aiMatrix4x4 *mat,
+ const C_STRUCT aiVector3D *scaling,
+ const C_STRUCT aiQuaternion *rotation,
+ const C_STRUCT aiVector3D *position) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != scaling);
+ ai_assert(nullptr != rotation);
+ ai_assert(nullptr != position);
+ *mat = aiMatrix4x4(*scaling, *rotation, *position);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4Add(
+ C_STRUCT aiMatrix4x4 *dst,
+ const C_STRUCT aiMatrix4x4 *src) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != src);
+ *dst = *dst + *src;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiMatrix4AreEqual(
+ const C_STRUCT aiMatrix4x4 *a,
+ const C_STRUCT aiMatrix4x4 *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return *a == *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiMatrix4AreEqualEpsilon(
+ const C_STRUCT aiMatrix4x4 *a,
+ const C_STRUCT aiMatrix4x4 *b,
+ const float epsilon) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return a->Equal(*b, epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4Inverse(C_STRUCT aiMatrix4x4 *mat) {
+ ai_assert(nullptr != mat);
+ mat->Inverse();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API float aiMatrix4Determinant(const C_STRUCT aiMatrix4x4 *mat) {
+ ai_assert(nullptr != mat);
+ return mat->Determinant();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiMatrix4IsIdentity(const C_STRUCT aiMatrix4x4 *mat) {
+ ai_assert(nullptr != mat);
+ return mat->IsIdentity();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4DecomposeIntoScalingEulerAnglesPosition(
+ const C_STRUCT aiMatrix4x4 *mat,
+ C_STRUCT aiVector3D *scaling,
+ C_STRUCT aiVector3D *rotation,
+ C_STRUCT aiVector3D *position) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != scaling);
+ ai_assert(nullptr != rotation);
+ ai_assert(nullptr != position);
+ mat->Decompose(*scaling, *rotation, *position);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4DecomposeIntoScalingAxisAnglePosition(
+ const C_STRUCT aiMatrix4x4 *mat,
+ C_STRUCT aiVector3D *scaling,
+ C_STRUCT aiVector3D *axis,
+ ai_real *angle,
+ C_STRUCT aiVector3D *position) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != scaling);
+ ai_assert(nullptr != axis);
+ ai_assert(nullptr != angle);
+ ai_assert(nullptr != position);
+ mat->Decompose(*scaling, *axis, *angle, *position);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4DecomposeNoScaling(
+ const C_STRUCT aiMatrix4x4 *mat,
+ C_STRUCT aiQuaternion *rotation,
+ C_STRUCT aiVector3D *position) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != rotation);
+ ai_assert(nullptr != position);
+ mat->DecomposeNoScaling(*rotation, *position);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4FromEulerAngles(
+ C_STRUCT aiMatrix4x4 *mat,
+ float x, float y, float z) {
+ ai_assert(nullptr != mat);
+ mat->FromEulerAnglesXYZ(x, y, z);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4RotationX(
+ C_STRUCT aiMatrix4x4 *mat,
+ const float angle) {
+ ai_assert(nullptr != mat);
+ aiMatrix4x4::RotationX(angle, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4RotationY(
+ C_STRUCT aiMatrix4x4 *mat,
+ const float angle) {
+ ai_assert(NULL != mat);
+ aiMatrix4x4::RotationY(angle, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4RotationZ(
+ C_STRUCT aiMatrix4x4 *mat,
+ const float angle) {
+ ai_assert(nullptr != mat);
+ aiMatrix4x4::RotationZ(angle, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4FromRotationAroundAxis(
+ C_STRUCT aiMatrix4x4 *mat,
+ const C_STRUCT aiVector3D *axis,
+ const float angle) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != axis);
+ aiMatrix4x4::Rotation(angle, *axis, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4Translation(
+ C_STRUCT aiMatrix4x4 *mat,
+ const C_STRUCT aiVector3D *translation) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != translation);
+ aiMatrix4x4::Translation(*translation, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4Scaling(
+ C_STRUCT aiMatrix4x4 *mat,
+ const C_STRUCT aiVector3D *scaling) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != scaling);
+ aiMatrix4x4::Scaling(*scaling, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiMatrix4FromTo(
+ C_STRUCT aiMatrix4x4 *mat,
+ const C_STRUCT aiVector3D *from,
+ const C_STRUCT aiVector3D *to) {
+ ai_assert(nullptr != mat);
+ ai_assert(nullptr != from);
+ ai_assert(nullptr != to);
+ aiMatrix4x4::FromToMatrix(*from, *to, *mat);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionFromEulerAngles(
+ C_STRUCT aiQuaternion *q,
+ float x, float y, float z) {
+ ai_assert(nullptr != q);
+ *q = aiQuaternion(x, y, z);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionFromAxisAngle(
+ C_STRUCT aiQuaternion *q,
+ const C_STRUCT aiVector3D *axis,
+ const float angle) {
+ ai_assert(nullptr != q);
+ ai_assert(nullptr != axis);
+ *q = aiQuaternion(*axis, angle);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionFromNormalizedQuaternion(
+ C_STRUCT aiQuaternion *q,
+ const C_STRUCT aiVector3D *normalized) {
+ ai_assert(nullptr != q);
+ ai_assert(nullptr != normalized);
+ *q = aiQuaternion(*normalized);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiQuaternionAreEqual(
+ const C_STRUCT aiQuaternion *a,
+ const C_STRUCT aiQuaternion *b) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return *a == *b;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API int aiQuaternionAreEqualEpsilon(
+ const C_STRUCT aiQuaternion *a,
+ const C_STRUCT aiQuaternion *b,
+ const float epsilon) {
+ ai_assert(nullptr != a);
+ ai_assert(nullptr != b);
+ return a->Equal(*b, epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionNormalize(
+ C_STRUCT aiQuaternion *q) {
+ ai_assert(nullptr != q);
+ q->Normalize();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionConjugate(
+ C_STRUCT aiQuaternion *q) {
+ ai_assert(nullptr != q);
+ q->Conjugate();
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionMultiply(
+ C_STRUCT aiQuaternion *dst,
+ const C_STRUCT aiQuaternion *q) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != q);
+ *dst = (*dst) * (*q);
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API void aiQuaternionInterpolate(
+ C_STRUCT aiQuaternion *dst,
+ const C_STRUCT aiQuaternion *start,
+ const C_STRUCT aiQuaternion *end,
+ const float factor) {
+ ai_assert(nullptr != dst);
+ ai_assert(nullptr != start);
+ ai_assert(nullptr != end);
+ aiQuaternion::Interpolate(*dst, *start, *end, factor);
+}
+
+
+// stb_image is a lightweight image loader. It is shared by:
+// - M3D import
+// - PBRT export
+// Since it's a header-only library, its implementation must be instantiated in some cpp file.
+// Don't scatter this task over multiple importers/exporters. Maintain it in a central place (here!).
+
+#define ASSIMP_HAS_PBRT_EXPORT (!ASSIMP_BUILD_NO_EXPORT && !ASSIMP_BUILD_NO_PBRT_EXPORTER)
+#define ASSIMP_HAS_M3D ((!ASSIMP_BUILD_NO_EXPORT && !ASSIMP_BUILD_NO_M3D_EXPORTER) || !ASSIMP_BUILD_NO_M3D_IMPORTER)
+
+#if ASSIMP_HAS_PBRT_EXPORT
+# define ASSIMP_NEEDS_STB_IMAGE 1
+#elif ASSIMP_HAS_M3D
+# define ASSIMP_NEEDS_STB_IMAGE 1
+# define STBI_ONLY_PNG
+#endif
+
+#if ASSIMP_NEEDS_STB_IMAGE
+
+# if _MSC_VER // "unreferenced function has been removed" (SSE2 detection routine in x64 builds)
+# pragma warning(push)
+# pragma warning(disable: 4505)
+# endif
+
+# define STB_IMAGE_IMPLEMENTATION
+# include "stb/stb_image.h"
+
+# if _MSC_VER
+# pragma warning(pop)
+# endif
+
+#endif