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romkazvo
296
CrySoundSystem/MusicPattern.cpp
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296
CrySoundSystem/MusicPattern.cpp
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#include "StdAfx.h"
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#include <algorithm>
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#include <CrySizer.h>
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#include <ICryPak.h>
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#include "musicpattern.h"
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#include "PCMDecoder.h"
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#include "OGGDecoder.h"
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#include "ADPCMDecoder.h"
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//#define TEST
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CMusicPattern::CMusicPattern(IMusicSystem *pMusicSystem, const char *pszName,const char *pszFilename)
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{
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m_pMusicSystem=pMusicSystem;
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m_pDecoder=NULL;
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m_vecFadePoints.clear();
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m_nLayeringVolume=255;
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m_sName=pszName;
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m_sFilename = pszFilename;
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m_numPatternInstances = 0;
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m_nSamples = 0;
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}
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CMusicPattern::~CMusicPattern()
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{
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Close();
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}
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static bool inline
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FindFile( ICryPak* pPak, const char* pszFilename )
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{
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bool bRet( false );
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FILE* pFile( pPak->FOpen( pszFilename, "rb" ) ) ;
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if( 0 != pFile )
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{
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bRet = true;
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pPak->FClose( pFile );
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}
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return( bRet );
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}
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bool CMusicPattern::Open( const char* pszFilename )
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{
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// no valid filename
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if( 0 == pszFilename || strlen( pszFilename ) < 5 )
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{
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return( false );
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}
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if( 0 != m_pDecoder )
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{
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Close();
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}
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ISystem* pSystem( m_pMusicSystem->GetSystem() );
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ICryPak* pPak( pSystem->GetIPak() );
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assert( 0 != pPak );
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string strFilename( pszFilename );
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if( 0 != stricmp( strFilename.c_str() + strFilename.size() - 4, ".ogg" ) )
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{
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strFilename = strFilename.substr( 0, strFilename.size() - 4 ) + ".ogg";
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}
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bool bWaveFallback( false != m_pMusicSystem->StreamOGG() && false == FindFile( pPak, strFilename.c_str() ) );
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if( false == m_pMusicSystem->StreamOGG() || false != bWaveFallback )
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{
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if( false != bWaveFallback )
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{
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#ifdef LOG_MUSICFILES
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m_pMusicSystem->LogMsg( "OGG file %s not found... trying .wav", strFilename.c_str() );
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#endif
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}
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// use (AD)PCM files for music streaming
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strFilename = strFilename.substr( 0, strFilename.size() - 4 ) + ".wav";
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FILE* pFile( pPak->FOpen( strFilename.c_str(), "rb" ) );
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if( 0 != pFile )
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{
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// check encoding and spawn PCM or ADPCM decoder accordingly
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SWaveHdr header;
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pPak->FRead( &header, sizeof( SWaveHdr ), 1, pFile );
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if( header.dwSize < ( 90 - 8 + 12 ) )
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{
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// not enough data, not even one sample
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return( false );
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}
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if( WAVE_FORMAT_ADPCM == header.wOne_0 )
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{
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m_pDecoder = new CADPCMDecoder( m_pMusicSystem );
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m_pDecoder->Open( strFilename.c_str() );// returns always true, just use here to really open it
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// since we actually do not know in advance how many samples are contained, we need to create a temp instance
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IMusicPatternDecoderInstance* pTempInstance( m_pDecoder->CreateInstance() );
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pTempInstance->Release();
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#ifdef LOG_MUSICFILES
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m_pMusicSystem->LogMsg( "Initialized ADPCM Decoder for %s", strFilename.c_str() );
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#endif
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}
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else
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if( WAVE_FORMAT_PCM == header.wOne_0 )
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{
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m_pDecoder = new CPCMDecoder( m_pMusicSystem );
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#ifdef LOG_MUSICFILES
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m_pMusicSystem->LogMsg( "Initialized PCM Decoder for %s", strFilename.c_str() );
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#endif
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}
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else
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{
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#ifdef LOG_MUSICFILES
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m_pMusicSystem->LogMsg( "AD(PCM) expected... failed to initialize %s", strFilename.c_str() );
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#endif
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return( false );
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}
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pPak->FClose( pFile );
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}
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else
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{
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return( false );
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}
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}
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else
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{
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// use OGG files for music streaming
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if( 0 != stricmp( strFilename.c_str() + strFilename.size() - 4, ".ogg" ) )
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{
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strFilename = strFilename.substr( 0, strFilename.size() - 4 ) + ".ogg";
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}
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m_pDecoder = new COGGDecoder( m_pMusicSystem );
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#ifdef LOG_MUSICFILES
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m_pMusicSystem->LogMsg( "Initialized OGG Decoder for %s", strFilename.c_str() );
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#endif
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}
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if( 0 != m_pDecoder )
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{
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if( false == m_pDecoder->Open( strFilename.c_str() ) )
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{
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m_pDecoder->Release();
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m_pDecoder=NULL;
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return( false );
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}
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}
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else
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{
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return( false );
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}
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SMusicPatternFileInfo fileInfo;
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if( false != m_pDecoder->GetFileInfo( fileInfo ) )
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{
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m_nSamples = fileInfo.nSamples;
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#ifdef TEST
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signed long *pDat = new signed long[m_nSamples];
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signed long *pDataLength = new signed long[m_nSamples];
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signed long *pData = pDat;
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IMusicPatternDecoderInstance* pTempInstance = m_pDecoder->CreateInstance();
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unsigned int c = m_nSamples;
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pTempInstance->GetPCMData(pDataLength,m_nSamples);
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pTempInstance->Seek0();
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while(c >= 11025)
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{
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pTempInstance->GetPCMData(pData,11025);
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pData += 11025;
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c -= 11025;
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}
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if(c > 0)
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{
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pTempInstance->GetPCMData(pData,c);
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}
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SWaveHdr header;
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FILE *pOrig = fopen("MUSIC/Original.wav","rb");
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FILE *pTest = fopen("MUSIC/Test.wav","wb");
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fread(&header, sizeof(SWaveHdr), 1, pOrig);
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fwrite(&header, 1, sizeof(SWaveHdr), pTest);
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fwrite(pDat, 1, m_nSamples*4, pTest);
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fclose(pTest);
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fclose(pOrig);
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pTempInstance->Release();
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for(int i=0;i<m_nSamples;i++)
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{
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if(pDat[i] != pDataLength[i])
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{
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signed long sl0 = pDat[i];
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signed long sl1 = pDataLength[i];
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int ivo=0;
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}
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}
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delete [] pDat;
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delete [] pDataLength;
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#endif
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}
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m_sFilename = strFilename;
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return true;
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}
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bool CMusicPattern::Close()
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{
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if (!m_pDecoder)
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return false;
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m_pDecoder->Close();
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m_pDecoder->Release();
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m_pDecoder=NULL;
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return true;
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}
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bool CMusicPattern::AddFadePoint(int nFadePos)
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{
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/*
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SMusicPatternFileInfo FileInfo;
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if (nFadePos<=0)
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{
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if (!GetFileInfo(FileInfo))
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return false;
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nFadePos = FileInfo.nSamples+nFadePos;
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}
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*/
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TMarkerVecIt It=std::find(m_vecFadePoints.begin(), m_vecFadePoints.end(), nFadePos);
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if (It!=m_vecFadePoints.end()) // already in list ?
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return true;
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m_vecFadePoints.push_back(nFadePos);
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std::sort(m_vecFadePoints.begin(), m_vecFadePoints.end());
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return true;
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}
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//////////////////////////////////////////////////////////////////////////
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void CMusicPattern::ClearFadePoints()
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{
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m_vecFadePoints.clear();
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}
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//////////////////////////////////////////////////////////////////////////
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IMusicPatternDecoderInstance* CMusicPattern::CreateDecoderInstance()
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{
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if (!m_pDecoder)
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return NULL;
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return m_pDecoder->CreateInstance();
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}
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CMusicPatternInstance* CMusicPattern::CreateInstance()
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{
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if (!m_pDecoder)
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{
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// Make new decoder.
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if (!Open( m_sFilename.c_str() ))
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{
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m_pMusicSystem->LogMsg( "ERROR: Music file %s failed to load",m_sFilename.c_str() );
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return 0;
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}
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}
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if (!m_pDecoder)
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return NULL;
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m_numPatternInstances++;
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return new CMusicPatternInstance(this);
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}
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void CMusicPattern::ReleaseInstance( CMusicPatternInstance* pInstance )
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{
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m_numPatternInstances--;
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if (m_numPatternInstances <= 0)
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{
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// Can release decoder.
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Close();
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}
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}
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bool CMusicPattern::GetFileInfo(SMusicPatternFileInfo &FileInfo)
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{
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if (!m_pDecoder)
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{
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// Make new decoder.
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if (!Open( m_sFilename.c_str() ))
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{
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m_pMusicSystem->LogMsg( "ERROR: Music file %s failed to load",m_sFilename.c_str() );
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return false;
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}
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bool bRes = false;
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if (m_pDecoder)
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bRes = m_pDecoder->GetFileInfo(FileInfo);
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Close();
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return bRes;
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}
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else
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return m_pDecoder->GetFileInfo(FileInfo);
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}
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void CMusicPattern::GetMemoryUsage(class ICrySizer* pSizer)
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{
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if (!pSizer->Add(*this))
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return;
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if (m_pDecoder)
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m_pDecoder->GetMemoryUsage(pSizer);
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}
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