assimp/code/MD4Loader.cpp

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/*
---------------------------------------------------------------------------
Open Asset Import Library (ASSIMP)
---------------------------------------------------------------------------
Copyright (c) 2006-2008, ASSIMP Development 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 Development 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 Implementation of the MD4 importer class */
#include "MD4Loader.h"
#include "MaterialSystem.h"
#include "../include/IOStream.h"
#include "../include/IOSystem.h"
#include "../include/aiMesh.h"
#include "../include/aiScene.h"
#include "../include/aiAssert.h"
#include <boost/scoped_ptr.hpp>
using namespace Assimp;
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
MD4Importer::MD4Importer()
{
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
MD4Importer::~MD4Importer()
{
}
// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file.
bool MD4Importer::CanRead( const std::string& pFile, IOSystem* pIOHandler) const
{
// simple check of file extension is enough for the moment
std::string::size_type pos = pFile.find_last_of('.');
// no file extension - can't read
if( pos == std::string::npos)
return false;
std::string extension = pFile.substr( pos);
if (extension.length() < 4)return false;
if (extension[0] != '.')return false;
// not brilliant but working ;-)
if( extension == ".md4" || extension == ".MD4" ||
extension == ".mD4" || extension == ".Md4")
{
return true;
}
#if (!defined AI_MD4_DONT_SUPPORT_RAVENSOFT_MDR)
if (extension[1] != 'm' && extension[1] != 'M')return false;
if (extension[2] != 'd' && extension[2] != 'D')return false;
if (extension[3] != 'r' && extension[3] != 'R')return false;
#endif
return true;
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void MD4Importer::InternReadFile(
const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
// Check whether we can read from the file
if( file.get() == NULL)
{
throw new ImportErrorException( "Failed to open md4/mdr file " + pFile + ".");
}
// check whether the md4 file is large enough to contain
// at least the file header
size_t fileSize = file->FileSize();
if( fileSize < sizeof(MD4::Header))
{
throw new ImportErrorException( ".md4 File is too small.");
}
return;
}