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10 changed files with 1419 additions and 30 deletions
425
source/sound/sound.cpp
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425
source/sound/sound.cpp
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/*=========================================================================
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sound.cpp
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Author: PKG
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Created:
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Project: Spongebob
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Purpose:
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Copyright (c) 2000 Climax Development Ltd
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===========================================================================*/
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/*----------------------------------------------------------------------
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Includes
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-------- */
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#include "sound.h"
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#ifndef __SYSTEM_DBG_H__
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#include "system\dbg.h"
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#endif
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/* Std Lib
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------- */
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/* Data
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---- */
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/*----------------------------------------------------------------------
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Tyepdefs && Defines
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------------------- */
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/*----------------------------------------------------------------------
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Structure defintions
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-------------------- */
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typedef struct XMFILEDATA
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{
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FileEquate m_vh,m_vb,m_pxm;
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};
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/*----------------------------------------------------------------------
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Function Prototypes
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------------------- */
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/*----------------------------------------------------------------------
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Vars
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---- */
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static XMFILEDATA s_xmSongData[CSoundMediator::NUM_SONGIDS]=
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{
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{ MUSIC_HYPERMMX_VH, MUSIC_HYPERMMX_VB, MUSIC_HYPERMMX_PXM }, // HYPERMMX
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{ MUSIC_DROPPOP_VH, MUSIC_DROPPOP_VB, MUSIC_DROPPOP_PXM }, // DROPPOP
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};
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static XMFILEDATA s_xmSfxData[CSoundMediator::NUM_SFXBANKIDS]=
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{
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{ SFX_INGAME_VH, SFX_INGAME_VB, SFX_INGAME_PXM }, // INGAME
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};
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int CSoundMediator::s_initialised=false;
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int /*CSoundMediator::*/s_currentVolume[CSoundMediator::NUM_VOLUMETYPES];
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int /*CSoundMediator::*/s_targetVolume[CSoundMediator::NUM_VOLUMETYPES];
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int /*CSoundMediator::*/s_volumeDirty[CSoundMediator::NUM_VOLUMETYPES];
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static CSpuSound *s_spuSound;
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static CXMPlaySound *s_xmplaySound;
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static xmSampleId s_songSampleId=NO_SAMPLE;
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static xmSongId s_songDataId=NO_SONG;
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static xmPlayingSongId s_songPlayingId=NOT_PLAYING;
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static xmSampleId s_sfxSampleId=NO_SAMPLE;
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static xmSongId s_sfxDataId=NO_SONG;
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::initialise()
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{
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int i;
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ASSERT(!s_initialised);
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s_spuSound=new ("SPUSound") CSpuSound(); s_spuSound->initialise();
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s_xmplaySound=new ("XMPlaySound") CXMPlaySound(); s_xmplaySound->initialise();
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CXAStream::Init();
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for(i=0;i<NUM_VOLUMETYPES;i++)
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{
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s_currentVolume[i]=MIN_VOLUME;
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s_targetVolume[i]=INITIAL_VOLUME;
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s_volumeDirty[i]=true;
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}
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setSongToFadedIn();
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// ASSERT(CXAStream::MIN_VOLUME==0); // Just incase someone decides to change any of these.. things in here will break ( PKG )
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// ASSERT(CXAStream::MAX_VOLUME==32767);
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SOUND_DBGMSG("Sound mediator initialised");
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s_initialised=true;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::shutdown()
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{
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ASSERT(0);
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ASSERT(s_initialised);
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s_xmplaySound->shutdown(); delete s_xmplaySound;
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s_spuSound->shutdown(); delete s_spuSound;
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SOUND_DBGMSG("Sound mediator shutdown");
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s_initialised=false;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int tgt=255;
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int val;
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static int s_spuChannelUse[24]={-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1};
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void CSoundMediator::think(int _frames)
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{
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int i;
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int diff,speed;
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int *current,*target,*dirty;
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ASSERT(s_initialised);
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{
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int id;
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id=-1;
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for(i=10;i<24;i++)
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{
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if(id!=s_spuChannelUse[i])
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{
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id=s_spuChannelUse[i];
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if(id!=-1)
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{
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if(!s_xmplaySound->isSfxActive((xmPlayingSongId)id))
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{
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PAUL_DBGMSG("%d end.. ( was on chnl %d )",id,i);
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while(s_spuChannelUse[i]==id&&i<24)
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{
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s_spuChannelUse[i++]=-1;
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}
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}
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}
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}
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}
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}
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// Fade to target volume
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speed=(_frames*VOLUME_CHANGE_SPEED)>>10;
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current=s_currentVolume;
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target=s_targetVolume;
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dirty=s_volumeDirty;
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for(i=0;i<NUM_VOLUMETYPES;i++)
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{
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diff=*target-*current;
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if(diff<0)
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{
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*current-=speed;
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if(*current<*target)*current=*target;
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*dirty=true;
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}
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else if(diff>0)
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{
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*current+=speed;
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if(*current>*target)*current=*target;
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*dirty=true;
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}
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current++;
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target++;
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dirty++;
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}
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// Manual update of anything that needs it
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// CXAStream::ControlXA();
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// Push through any changes in volume
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if(s_volumeDirty[SONG]||s_volumeDirty[SONGFADE])
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{
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if(s_songPlayingId!=NOT_PLAYING)
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{
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int vol=(s_currentVolume[SONG]*((s_currentVolume[SONGFADE]>>1)+128))>>8;
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s_xmplaySound->setVolume(s_songPlayingId,(char)vol);
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}
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s_volumeDirty[SONG]=s_volumeDirty[SONGFADE]=false;
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}
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if(s_volumeDirty[SFX])
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{
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s_volumeDirty[SFX]=false;
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}
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// if(s_volumeDirty[SPEECH])
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// {
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// int vol=s_currentVolume[SPEECH]<<7;
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// CXAStream::SetVolume(vol,vol);
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// s_volumeDirty[SPEECH]=false;
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// }
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::setSong(SONGID _songId)
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{
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XMFILEDATA *song;
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ASSERT(s_songSampleId==NO_SAMPLE);
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ASSERT(s_songDataId==NO_SONG);
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song=&s_xmSongData[_songId];
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s_songDataId=s_xmplaySound->loadSongData(song->m_pxm);
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s_songSampleId=s_xmplaySound->loadSamples(song->m_vh,song->m_vb);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::playSong()
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{
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ASSERT(s_songSampleId!=NO_SAMPLE);
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ASSERT(s_songDataId!=NO_SONG);
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ASSERT(s_songPlayingId==NOT_PLAYING);
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s_songPlayingId=s_xmplaySound->playSong(s_songSampleId,s_songDataId,SONG_BASE_CHANNEL);
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s_volumeDirty[SONG]=true; // Force a volume update
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::dumpSong()
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{
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ASSERT(s_songSampleId!=NO_SAMPLE);
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ASSERT(s_songDataId!=NO_SONG);
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if(s_songPlayingId!=NOT_PLAYING)s_xmplaySound->stopSong(s_songPlayingId);
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s_xmplaySound->dumpSamples(s_songSampleId);
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s_xmplaySound->dumpSongData(s_songDataId);
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s_songSampleId=NO_SAMPLE;
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s_songDataId=NO_SONG;
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s_songPlayingId=NOT_PLAYING;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::setSfxBank(SFXBANKID _bankId)
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{
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XMFILEDATA *song;
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ASSERT(s_sfxSampleId==NO_SAMPLE);
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ASSERT(s_sfxDataId==NO_SONG);
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song=&s_xmSfxData[_bankId];
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s_sfxDataId=s_xmplaySound->loadSongData(song->m_pxm);
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s_sfxSampleId=s_xmplaySound->loadSamples(song->m_vh,song->m_vb);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int CSoundMediator::playSfx(int _sfxId)
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{
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ASSERT(s_sfxSampleId!=NO_SAMPLE);
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ASSERT(s_sfxDataId!=NO_SONG);
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int baseChannel;
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int channelCount=0;
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int sfxChannelMask,maskCopy;
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int i,j;
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int valid;
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int maskCheck=1;
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int playId;
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sfxChannelMask=3;
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// Count channels
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maskCopy=sfxChannelMask;
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for(i=0;i<24&&maskCopy;i++)
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{
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if(maskCopy&1)
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channelCount++;
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maskCopy>>=1;
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}
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// Find some spare channels to play on
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valid=true;
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for(i=SFX_BASE_CHANNEL;i<NUM_SPU_CHANNELS-channelCount+1;i++)
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{
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valid=true;
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for(j=i;j<i+channelCount&&valid;j++)
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{
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if(s_spuChannelUse[j]!=-1) valid=false;
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}
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if(valid==true) break;
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}
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ASSERT(valid!=false);
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baseChannel=i;
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// Play!
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playId=s_xmplaySound->playSfx(s_sfxSampleId,s_sfxDataId,baseChannel,_sfxId,sfxChannelMask);
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s_volumeDirty[SFX]=true; // Force a volume update
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// Clear any dead channels
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//for(i=SFX_BASE_CHANNEL;i<NUM_SPU_CHANNELS;i++)
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// if(s_spuChannelUse[i]==playId)s_spuChannelUse[i]=-1;
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// Mark channels as active
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for(i=baseChannel;i<baseChannel+channelCount;i++)
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{
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s_spuChannelUse[i]=playId;
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}
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return 0;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::playSpeech(SpeechEquate _speech)
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{
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// if(CXAStream::IsPlaying())
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// CXAStream::Stop();
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// CXAStream::PlaySpeech(_speech);
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// s_volumeDirty[SPEECH]=true; // Force a volume update
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void CSoundMediator::setVolume(VOLUMETYPE _type,int _val)
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{
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ASSERT(_val>=MIN_VOLUME&&_val<=MAX_VOLUME);
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s_targetVolume[_type]=_val;
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s_volumeDirty[_type]=true; // Otherwise we could miss volume changes under rare conditions
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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int CSoundMediator::getVolume(VOLUMETYPE _type)
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{
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return s_targetVolume[_type];
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}
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/*===========================================================================
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end */
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