/*

Open Asset Import Library (assimp)

----------------------------------------------------------------------

Copyright (c) 2006-2025, 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.

----------------------------------------------------------------------

*/

#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER

#include "OgreImporter.h"

#include "OgreBinarySerializer.h"

#include "OgreXmlSerializer.h"

#include <assimp/importerdesc.h>

#include <assimp/Importer.hpp>

#include <memory>

static constexpr aiImporterDesc desc = {

    "Ogre3D Mesh Importer",

    "",

    "",

    "",

    aiImporterFlags_SupportTextFlavour | aiImporterFlags_SupportBinaryFlavour,

    0,

    0,

    0,

    0,

    "mesh mesh.xml"

};

namespace Assimp {

namespace Ogre {

const aiImporterDesc *OgreImporter::GetInfo() const {

    return &desc;

}

void OgreImporter::SetupProperties(const Importer *pImp) {

    m_userDefinedMaterialLibFile = pImp->GetPropertyString(AI_CONFIG_IMPORT_OGRE_MATERIAL_FILE, "Scene.material");

    m_detectTextureTypeFromFilename = pImp->GetPropertyBool(AI_CONFIG_IMPORT_OGRE_TEXTURETYPE_FROM_FILENAME, false);

}

bool OgreImporter::CanRead(const std::string &pFile, Assimp::IOSystem *pIOHandler, bool /*checkSig*/) const {

    if (EndsWith(pFile, ".mesh.xml", false)) {

        static const char *tokens[] = { "<mesh>" };

        return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));

    }

    /// @todo Read and validate first header chunk?

    return EndsWith(pFile, ".mesh", false);

}

void OgreImporter::InternReadFile(const std::string &pFile, aiScene *pScene, Assimp::IOSystem *pIOHandler) {

    // Open source file

    IOStream *f = pIOHandler->Open(pFile, "rb");

    if (!f) {

        throw DeadlyImportError("Failed to open file ", pFile);

    }

    // Binary .mesh import

    if (EndsWith(pFile, ".mesh", false)) {

        /// @note MemoryStreamReader takes ownership of f.

        MemoryStreamReader reader(f);

        // Import mesh

        std::unique_ptr<Mesh> mesh(OgreBinarySerializer::ImportMesh(&reader));

        // Import skeleton

        OgreBinarySerializer::ImportSkeleton(pIOHandler, mesh.get());

        // Import mesh referenced materials

        ReadMaterials(pFile, pIOHandler, pScene, mesh.get());

        // Convert to Assimp

        mesh->ConvertToAssimpScene(pScene);

        return;

    }

    // XML .mesh.xml import

    /// @note XmlReader does not take ownership of f, hence the scoped ptr.

    std::unique_ptr<IOStream> scopedFile(f);

    XmlParser xmlParser;

    //std::unique_ptr<CIrrXML_IOStreamReader> xmlStream(new CIrrXML_IOStreamReader(scopedFile.get()));

    //std::unique_ptr<XmlReader> reader(irr::io::createIrrXMLReader(xmlStream.get()));

    xmlParser.parse(scopedFile.get());

    // Import mesh

    std::unique_ptr<MeshXml> mesh(OgreXmlSerializer::ImportMesh(&xmlParser));

    // Import skeleton

    OgreXmlSerializer::ImportSkeleton(pIOHandler, mesh.get());

    // Import mesh referenced materials

    ReadMaterials(pFile, pIOHandler, pScene, mesh.get());

    // Convert to Assimp

    mesh->ConvertToAssimpScene(pScene);

}

} // namespace Ogre

} // namespace Assimp

#endif // ASSIMP_BUILD_NO_OGRE_IMPORTER