401 lines
12 KiB
C++
401 lines
12 KiB
C++
/*
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Open Asset Import Library (ASSIMP)
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---------------------------------------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------------------------------
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*/
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#include "AssimpPCH.h"
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#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
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#include "DefaultIOSystem.h"
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#include "Q3BSPFileImporter.h"
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#include "Q3BSPZipArchive.h"
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#include "Q3BSPFileParser.h"
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#include "Q3BSPFileData.h"
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# ifdef ASSIMP_BUILD_NO_OWN_ZLIB
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# include <zlib.h>
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# else
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# include "../contrib/zlib/zlib.h"
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# endif
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#include "../include/aiTypes.h"
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#include "../include/aiMesh.h"
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#include <vector>
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namespace Assimp
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{
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using namespace Q3BSP;
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// ------------------------------------------------------------------------------------------------
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static void createKey( int id1, int id2, std::string &rKey )
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{
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std::stringstream str;
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str << id1 << "." << id2;
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rKey = str.str();
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}
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// ------------------------------------------------------------------------------------------------
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Q3BSPFileImporter::Q3BSPFileImporter() :
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m_pCurrentMesh( NULL )
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{
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}
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// ------------------------------------------------------------------------------------------------
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Q3BSPFileImporter::~Q3BSPFileImporter()
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{
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}
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// ------------------------------------------------------------------------------------------------
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bool Q3BSPFileImporter::CanRead( const std::string& rFile, IOSystem* pIOHandler, bool checkSig ) const
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{
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bool isBSPData = false;
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if ( checkSig )
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isBSPData = SimpleExtensionCheck( rFile, "pk3" );
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return isBSPData;
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::GetExtensionList(std::set<std::string>& extensions)
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{
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extensions.insert( "pk3" );
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::InternReadFile(const std::string &rFile, aiScene* pScene, IOSystem* pIOHandler)
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{
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Q3BSPZipArchive Archive( rFile );
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if ( !Archive.isOpen() )
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{
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throw new DeadlyImportError( "Failed to open file " + rFile + "." );
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}
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std::string archiveName( "" ), mapName( "" );
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separateMapName( rFile, archiveName, mapName );
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if ( mapName.empty() )
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{
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if ( !findFirstMapInArchive( Archive, mapName ) )
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{
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return;
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}
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}
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Q3BSPFileParser fileParser( mapName, &Archive );
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Q3BSPModel *pBSPModel = fileParser.getModel();
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if ( NULL != pBSPModel )
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{
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CreateDataFromImport( pBSPModel, pScene );
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::separateMapName( const std::string &rImportName, std::string &rArchiveName,
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std::string &rMapName )
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{
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rArchiveName = "";
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rMapName = "";
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if ( rImportName.empty() )
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return;
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std::string::size_type pos = rImportName.rfind( "," );
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if ( std::string::npos == pos )
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{
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rArchiveName = rImportName;
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return;
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}
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rArchiveName = rImportName.substr( 0, pos );
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rMapName = rImportName.substr( pos, rImportName.size() - pos - 1 );
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}
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// ------------------------------------------------------------------------------------------------
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bool Q3BSPFileImporter::findFirstMapInArchive( Q3BSPZipArchive &rArchive, std::string &rMapName )
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{
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rMapName = "";
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std::vector<std::string> fileList;
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rArchive.getFileList( fileList );
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if ( fileList.empty() )
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return false;
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for ( std::vector<std::string>::iterator it = fileList.begin(); it != fileList.end();
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++it )
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{
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std::string::size_type pos = (*it).find( "maps/" );
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if ( std::string::npos != pos )
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{
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std::string::size_type extPos = (*it).find( ".bsp" );
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if ( std::string::npos != extPos )
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{
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rMapName = *it;
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return true;
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}
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}
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}
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return false;
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::CreateDataFromImport( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene )
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{
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if ( NULL == pModel || NULL == pScene )
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return;
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pScene->mRootNode = new aiNode;
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if ( !pModel->m_ModelName.empty() )
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{
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pScene->mRootNode->mName.Set( pModel->m_ModelName );
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}
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CreateNodes( pModel, pScene, pScene->mRootNode );
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::CreateNodes( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, aiNode *pParent )
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{
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ai_assert( NULL != pModel );
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if ( NULL == pModel )
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return;
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FaceMap matLookupTable;
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std::string key( "" );
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std::vector<sQ3BSPFace*> *pCurFaceArray = NULL;
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FaceMap lookupMap;
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for ( size_t idx=0; idx < pModel->m_Faces.size(); idx++ )
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{
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Q3BSP::sQ3BSPFace *pQ3BSPFace = pModel->m_Faces[ idx ];
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int texId = pQ3BSPFace->iTextureID;
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int lightMapId = pQ3BSPFace->iLightmapID;
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createKey( texId, lightMapId, key );
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FaceMapIt it = lookupMap.find( key );
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if ( lookupMap.end() == it)
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{
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std::vector<Q3BSP::sQ3BSPFace*> *pArray = new std::vector<Q3BSP::sQ3BSPFace*>;
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pArray->push_back( pQ3BSPFace );
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lookupMap[ key ] = pArray;
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}
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else
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{
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std::vector<Q3BSP::sQ3BSPFace*> *pArray = (*it).second;
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ai_assert( NULL != pArray );
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if ( NULL != pArray )
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{
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pArray->push_back( pQ3BSPFace );
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}
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}
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}
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std::vector<aiMesh*> MeshArray;
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std::vector<aiNode*> NodeArray;
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for ( FaceMapIt it = lookupMap.begin(); it != lookupMap.end(); ++it )
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{
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std::vector<Q3BSP::sQ3BSPFace*> *pArray = (*it).second;
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size_t numVerts = countData( *pArray );
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if ( 0 != numVerts )
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{
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aiMesh* pMesh = new aiMesh;
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aiNode *pNode = CreateTopology( pModel, *pArray, pMesh );
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if ( NULL != pNode )
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{
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NodeArray.push_back( pNode );
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MeshArray.push_back( pMesh );
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}
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else
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{
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delete pMesh;
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}
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}
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}
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pScene->mNumMeshes = MeshArray.size();
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pScene->mMeshes = new aiMesh*[ pScene->mNumMeshes ];
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for ( size_t i=0; i<MeshArray.size(); ++i )
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{
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aiMesh *pMesh = MeshArray[ i ];
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for ( size_t j=0; j<pMesh->mNumFaces; j++ )
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{
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aiFace *face = &pMesh->mFaces[j];
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if ( NULL == face->mIndices )
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{
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printf("error\n");
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}
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ai_assert( NULL != face->mIndices );
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}
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pScene->mMeshes[ i ] = pMesh;
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}
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pParent->mNumChildren = MeshArray.size();
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pParent->mChildren = new aiNode*[ pScene->mRootNode->mNumChildren ];
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for ( size_t i=0; i<NodeArray.size(); i++ )
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{
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aiNode *pNode = NodeArray[ i ];
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pNode->mParent = pParent;
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pParent->mChildren[ i ] = pNode;
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pParent->mChildren[ i ]->mMeshes[ 0 ] = i;
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}
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}
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// ------------------------------------------------------------------------------------------------
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aiNode *Q3BSPFileImporter::CreateTopology( const Q3BSP::Q3BSPModel *pModel,
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std::vector<sQ3BSPFace*> &rArray, aiMesh* pMesh )
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{
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size_t numVerts = countData( rArray );
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if ( 0 == numVerts )
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return NULL;
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size_t numFaces = countFaces( rArray );
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if ( 0 == numFaces )
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return NULL;
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pMesh->mFaces = new aiFace[ numFaces ];
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pMesh->mNumFaces = numFaces;
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pMesh->mNumVertices = numVerts;
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pMesh->mVertices = new aiVector3D[ numVerts ];
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pMesh->mNormals = new aiVector3D[ numVerts ];
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pMesh->mTextureCoords[ 0 ] = new aiVector3D[ numVerts ];
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pMesh->mTextureCoords[ 1 ] = new aiVector3D[ numVerts ];
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unsigned int faceIdx = 0;
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unsigned int vertIdx = 0;
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aiVector3D *pVec3( NULL );
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aiVector3D normal;
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for ( std::vector<sQ3BSPFace*>::const_iterator it = rArray.begin(); it != rArray.end();
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++it )
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{
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Q3BSP::sQ3BSPFace *pQ3BSPFace = *it;
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ai_assert( NULL != pQ3BSPFace );
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if ( pQ3BSPFace->iNumOfMeshVerts == 0 )
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{
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continue;
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}
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if ( pQ3BSPFace->iType == 1 || pQ3BSPFace->iType == 3 )
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{
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createTriangleTopology( pModel, pQ3BSPFace, pMesh, faceIdx, vertIdx );
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}
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}
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aiNode *pNode = new aiNode;
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pNode->mNumMeshes = 1;
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pNode->mMeshes = new unsigned int[ 1 ];
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return pNode;
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::createTriangleTopology( const Q3BSP::Q3BSPModel *pModel,
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Q3BSP::sQ3BSPFace *pQ3BSPFace,
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aiMesh* pMesh, unsigned int &rFaceIdx,
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unsigned int &rVertIdx )
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{
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ai_assert( rFaceIdx < pMesh->mNumFaces );
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aiFace *pFace = &pMesh->mFaces[ rFaceIdx ];
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ai_assert( NULL != pFace );
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rFaceIdx++;
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pFace->mNumIndices = pQ3BSPFace->iNumOfMeshVerts;
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pFace->mIndices = new unsigned int[ pFace->mNumIndices ];
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aiVector3D normal;
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normal.Set( pQ3BSPFace->vNormal.x, pQ3BSPFace->vNormal.y, pQ3BSPFace->vNormal.z );
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for ( int i = 0; i < pQ3BSPFace->iNumOfMeshVerts; ++i )
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{
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size_t idx = pModel->m_Indices[ pQ3BSPFace->iMeshVertexIndex + i ];;
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const unsigned int index = pQ3BSPFace->iVertexIndex + pModel->m_Indices[idx];
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ai_assert( index < pModel->m_Vertices.size() );
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sQ3BSPVertex *pVertex = pModel->m_Vertices[ index ];
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ai_assert( NULL != pVertex );
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pMesh->mVertices[ rVertIdx ].Set( pVertex->vPosition.x, pVertex->vPosition.y, pVertex->vPosition.z );
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pMesh->mNormals[ rVertIdx ].Set( normal.x, normal.y, normal.z );
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pMesh->mTextureCoords[ 0 ][ rVertIdx ].Set( pVertex->vTexCoord.x, pVertex->vTexCoord.y, 0.0f );
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pMesh->mTextureCoords[ 1 ][ rVertIdx ].Set( pVertex->vLightmap.x, pVertex->vLightmap.y, 0.0f );
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pFace->mIndices[ i ] = rVertIdx;
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rVertIdx++;
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileImporter::createMaterials()
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{
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// TODO
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}
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// ------------------------------------------------------------------------------------------------
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size_t Q3BSPFileImporter::countData( const std::vector<sQ3BSPFace*> &rArray ) const
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{
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size_t numVerts = 0;
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for ( std::vector<sQ3BSPFace*>::const_iterator it = rArray.begin(); it != rArray.end();
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++it )
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{
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sQ3BSPFace *pQ3BSPFace = *it;
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if ( pQ3BSPFace->iType == 1 || pQ3BSPFace->iType == 3 )
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{
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Q3BSP::sQ3BSPFace *pQ3BSPFace = *it;
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ai_assert( NULL != pQ3BSPFace );
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numVerts += pQ3BSPFace->iNumOfMeshVerts;
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}
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}
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return numVerts;
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}
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// ------------------------------------------------------------------------------------------------
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size_t Q3BSPFileImporter::countFaces( const std::vector<Q3BSP::sQ3BSPFace*> &rArray ) const
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{
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size_t numFaces = 0;
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for ( std::vector<sQ3BSPFace*>::const_iterator it = rArray.begin(); it != rArray.end();
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++it )
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{
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Q3BSP::sQ3BSPFace *pQ3BSPFace = *it;
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if ( pQ3BSPFace->iNumOfMeshVerts > 0)
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{
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numFaces++;
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}
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}
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return numFaces;
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}
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// ------------------------------------------------------------------------------------------------
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} // Namespace Assimp
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#endif // ASSIMP_BUILD_NO_Q3BSP_IMPORTER
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