2015-05-19 03:48:29 +00:00
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/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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2021-02-28 11:17:54 +00:00
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Copyright (c) 2006-2021, assimp team
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2018-01-28 18:42:05 +00:00
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2017-05-09 17:57:36 +00:00
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2015-05-19 03:48:29 +00:00
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All rights reserved.
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2015-05-19 03:52:10 +00:00
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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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2015-05-19 03:48:29 +00:00
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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 team.
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2015-05-19 03:52:10 +00:00
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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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2015-05-19 03:48:29 +00:00
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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2015-05-19 03:52:10 +00:00
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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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2015-05-19 03:52:10 +00:00
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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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2015-05-19 03:48:29 +00:00
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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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#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
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#include "Q3BSPFileParser.h"
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#include "Q3BSPFileData.h"
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2015-04-15 23:00:17 +00:00
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#include <vector>
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2017-02-28 02:31:56 +00:00
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#include <assimp/DefaultIOSystem.h>
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2019-07-25 09:13:53 +00:00
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#include <assimp/ZipArchiveIOSystem.h>
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2016-06-06 20:04:29 +00:00
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#include <assimp/ai_assert.h>
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2016-06-06 20:04:29 +00:00
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namespace Assimp {
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using namespace Q3BSP;
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// ------------------------------------------------------------------------------------------------
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Q3BSPFileParser::Q3BSPFileParser( const std::string &mapName, ZipArchiveIOSystem *pZipArchive ) :
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m_sOffset( 0 ),
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m_Data(),
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m_pModel(nullptr),
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m_pZipArchive( pZipArchive )
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{
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ai_assert(nullptr != m_pZipArchive );
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ai_assert( !mapName.empty() );
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2018-09-26 18:52:59 +00:00
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if ( !readData( mapName ) )
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return;
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m_pModel = new Q3BSPModel;
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m_pModel->m_ModelName = mapName;
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if ( !parseFile() ) {
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delete m_pModel;
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m_pModel = nullptr;
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}
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}
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// ------------------------------------------------------------------------------------------------
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Q3BSPFileParser::~Q3BSPFileParser() {
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delete m_pModel;
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}
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// ------------------------------------------------------------------------------------------------
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Q3BSP::Q3BSPModel *Q3BSPFileParser::getModel() const {
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return m_pModel;
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}
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// ------------------------------------------------------------------------------------------------
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bool Q3BSPFileParser::readData( const std::string &rMapName ) {
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if ( !m_pZipArchive->Exists( rMapName.c_str() ) )
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return false;
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IOStream *pMapFile = m_pZipArchive->Open( rMapName.c_str() );
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if ( nullptr == pMapFile )
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return false;
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const size_t size = pMapFile->FileSize();
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m_Data.resize( size );
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const size_t readSize = pMapFile->Read( &m_Data[0], sizeof( char ), size );
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if ( readSize != size ) {
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m_Data.clear();
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m_pZipArchive->Close(pMapFile);
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return false;
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}
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m_pZipArchive->Close( pMapFile );
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return true;
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}
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// ------------------------------------------------------------------------------------------------
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bool Q3BSPFileParser::parseFile() {
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if ( m_Data.empty() ) {
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return false;
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}
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2015-05-19 03:57:13 +00:00
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if ( !validateFormat() )
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{
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return false;
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}
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2015-05-19 03:57:13 +00:00
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// Imports the dictionary of the level
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getLumps();
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// Count data and prepare model data
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countLumps();
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// Read in Vertices
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getVertices();
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// Read in Indices
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getIndices();
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// Read Faces
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getFaces();
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// Read Textures
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getTextures();
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// Read Lightmaps
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getLightMaps();
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2015-05-19 03:57:13 +00:00
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// Load the entities
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getEntities();
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2015-05-19 03:57:13 +00:00
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return true;
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}
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// ------------------------------------------------------------------------------------------------
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bool Q3BSPFileParser::validateFormat()
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{
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sQ3BSPHeader *pHeader = (sQ3BSPHeader*) &m_Data[ 0 ];
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m_sOffset += sizeof( sQ3BSPHeader );
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// Version and identify string validation
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if (pHeader->strID[ 0 ] != 'I' || pHeader->strID[ 1 ] != 'B' || pHeader->strID[ 2 ] != 'S'
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|| pHeader->strID[ 3 ] != 'P')
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{
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return false;
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}
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return true;
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getLumps()
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{
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size_t Offset = m_sOffset;
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m_pModel->m_Lumps.resize( kMaxLumps );
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for ( size_t idx=0; idx < kMaxLumps; idx++ )
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{
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sQ3BSPLump *pLump = new sQ3BSPLump;
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memcpy( pLump, &m_Data[ Offset ], sizeof( sQ3BSPLump ) );
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Offset += sizeof( sQ3BSPLump );
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m_pModel->m_Lumps[ idx ] = pLump;
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::countLumps()
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{
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m_pModel->m_Vertices.resize( m_pModel->m_Lumps[ kVertices ]->iSize / sizeof( sQ3BSPVertex ) );
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m_pModel->m_Indices.resize( m_pModel->m_Lumps[ kMeshVerts ]->iSize / sizeof( int ) );
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m_pModel->m_Faces.resize( m_pModel->m_Lumps[ kFaces ]->iSize / sizeof( sQ3BSPFace ) );
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m_pModel->m_Textures.resize( m_pModel->m_Lumps[ kTextures ]->iSize / sizeof( sQ3BSPTexture ) );
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m_pModel->m_Lightmaps.resize( m_pModel->m_Lumps[ kLightmaps ]->iSize / sizeof( sQ3BSPLightmap ) );
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getVertices()
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{
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size_t Offset = m_pModel->m_Lumps[ kVertices ]->iOffset;
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for ( size_t idx = 0; idx < m_pModel->m_Vertices.size(); idx++ )
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{
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sQ3BSPVertex *pVertex = new sQ3BSPVertex;
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memcpy( pVertex, &m_Data[ Offset ], sizeof( sQ3BSPVertex ) );
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Offset += sizeof( sQ3BSPVertex );
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m_pModel->m_Vertices[ idx ] = pVertex;
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getIndices()
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{
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ai_assert(nullptr != m_pModel );
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sQ3BSPLump *lump = m_pModel->m_Lumps[ kMeshVerts ];
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size_t Offset = (size_t) lump->iOffset;
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const size_t nIndices = lump->iSize / sizeof( int );
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m_pModel->m_Indices.resize( nIndices );
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memcpy( &m_pModel->m_Indices[ 0 ], &m_Data[ Offset ], lump->iSize );
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getFaces()
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{
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ai_assert(nullptr != m_pModel );
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size_t Offset = m_pModel->m_Lumps[ kFaces ]->iOffset;
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for ( size_t idx = 0; idx < m_pModel->m_Faces.size(); idx++ )
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{
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sQ3BSPFace *pFace = new sQ3BSPFace;
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memcpy( pFace, &m_Data[ Offset ], sizeof( sQ3BSPFace ) );
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m_pModel->m_Faces[ idx ] = pFace;
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Offset += sizeof( sQ3BSPFace );
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getTextures()
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{
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ai_assert(nullptr != m_pModel );
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size_t Offset = m_pModel->m_Lumps[ kTextures ]->iOffset;
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for ( size_t idx=0; idx < m_pModel->m_Textures.size(); idx++ )
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{
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sQ3BSPTexture *pTexture = new sQ3BSPTexture;
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memcpy( pTexture, &m_Data[ Offset ], sizeof(sQ3BSPTexture) );
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m_pModel->m_Textures[ idx ] = pTexture;
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Offset += sizeof(sQ3BSPTexture);
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getLightMaps()
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{
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ai_assert(nullptr != m_pModel );
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size_t Offset = m_pModel->m_Lumps[kLightmaps]->iOffset;
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for ( size_t idx=0; idx < m_pModel->m_Lightmaps.size(); idx++ )
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{
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sQ3BSPLightmap *pLightmap = new sQ3BSPLightmap;
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memcpy( pLightmap, &m_Data[ Offset ], sizeof( sQ3BSPLightmap ) );
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Offset += sizeof( sQ3BSPLightmap );
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m_pModel->m_Lightmaps[ idx ] = pLightmap;
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}
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}
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// ------------------------------------------------------------------------------------------------
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void Q3BSPFileParser::getEntities() {
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const int size = m_pModel->m_Lumps[ kEntities ]->iSize;
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m_pModel->m_EntityData.resize( size );
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if ( size > 0 ) {
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size_t Offset = m_pModel->m_Lumps[ kEntities ]->iOffset;
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memcpy( &m_pModel->m_EntityData[ 0 ], &m_Data[ Offset ], sizeof( char ) * size );
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}
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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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