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This commit is contained in:
Paul 2000-10-09 22:06:20 +00:00
parent 76f10e2299
commit 06ec0fdcd6
4 changed files with 471 additions and 252 deletions
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202
source/sound/sound.cpp
View File

@ -43,8 +43,8 @@ typedef struct XMFILEDATA
typedef struct SFXDETAILS
{
int m_channels;
int m_pattern;
int m_channelMask;
int m_pattern; // ..or instrument for loopers
int m_looping;
};
@ -71,10 +71,10 @@ static XMFILEDATA s_xmSfxData[CSoundMediator::NUM_SFXBANKIDS]=
static SFXDETAILS s_sfxDetails[]=
{
{ 1, 0, 0 },
{ 1, 6, 1 },
{ 1, 1, 0 },
{ 1, 2, 0 },
{ 1, 3, 0 },
{ 1, 0, 1 },
};
@ -90,22 +90,21 @@ static SFXDETAILS s_sfxDetails[]=
int CSoundMediator::s_initialised=false;
int /*CSoundMediator::*/s_currentVolume[CSoundMediator::NUM_VOLUMETYPES];
int /*CSoundMediator::*/s_targetVolume[CSoundMediator::NUM_VOLUMETYPES];
int /*CSoundMediator::*/s_volumeDirty[CSoundMediator::NUM_VOLUMETYPES];
int CSoundMediator::s_initialised=false;
int CSoundMediator::s_currentVolume[CSoundMediator::NUM_VOLUMETYPES];
int CSoundMediator::s_targetVolume[CSoundMediator::NUM_VOLUMETYPES];
int CSoundMediator::s_volumeDirty[CSoundMediator::NUM_VOLUMETYPES];
xmSampleId CSoundMediator::s_songSampleId=NO_SAMPLE;
xmModId CSoundMediator::s_songModId=NO_SONG;
xmPlayingId CSoundMediator::s_songPlayingId=NOT_PLAYING;
xmSampleId CSoundMediator::s_sfxSampleId=NO_SAMPLE;
xmModId CSoundMediator::s_sfxModId=NO_SONG;
static CSpuSound *s_spuSound;
static CXMPlaySound *s_xmplaySound;
static xmSampleId s_songSampleId=NO_SAMPLE;
static xmSongId s_songDataId=NO_SONG;
static xmPlayingSongId s_songPlayingId=NOT_PLAYING;
static xmSampleId s_sfxSampleId=NO_SAMPLE;
static xmSongId s_sfxDataId=NO_SONG;
@ -123,7 +122,7 @@ void CSoundMediator::initialise()
ASSERT(!s_initialised);
s_spuSound=new ("SPUSound") CSpuSound(); s_spuSound->initialise();
s_xmplaySound=new ("XMPlaySound") CXMPlaySound(); s_xmplaySound->initialise();
s_xmplaySound=new ("XMPlaySound") CXMPlaySound(); s_xmplaySound->initialise();
CXAStream::Init();
@ -138,9 +137,6 @@ void CSoundMediator::initialise()
// ASSERT(CXAStream::MAX_VOLUME==32767);
PAUL_DBGMSG("song: %d-%d (%d)",SONG_BASE_CHANNEL,SONG_MAX_CHANNEL,SONG_CHANNELS);
PAUL_DBGMSG("sfx: %d-%d (%d)",SFX_BASE_CHANNEL,SFX_MAX_CHANNEL,SFX_CHANNELS);
SOUND_DBGMSG("Sound mediator initialised");
s_initialised=true;
}
@ -172,13 +168,6 @@ ASSERT(0);
Params:
Returns:
---------------------------------------------------------------------- */
int tgt=255;
int val;
static int s_spuChannelUse[24]={-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1};
void CSoundMediator::think(int _frames)
{
int i;
@ -188,61 +177,6 @@ void CSoundMediator::think(int _frames)
ASSERT(s_initialised);
{
int id;
id=-1;
for(i=SONG_CHANNELS;i<24;i++)
{
if(id!=s_spuChannelUse[i])
{
id=s_spuChannelUse[i];
if(id!=-1)
{
/*
if(id>=5000)
{
PAUL_DBGMSG("%d is now free.. ( was on chnl %d )",id-5000,i);
while(s_spuChannelUse[i]==id&&i<24)
{
s_spuChannelUse[i++]=-1;
}
i--;
}
else if(id>=100)
{
while(s_spuChannelUse[i]==id&&i<24)
{
s_spuChannelUse[i++]+=100;
}
i--;
}
else
*/
if(!s_xmplaySound->isSfxActive((xmPlayingSongId)id))
{
PAUL_DBGMSG("%d end.. ( was on chnl %d )",id,i);
while(s_spuChannelUse[i]==id&&i<24)
{
s_spuChannelUse[i++]=-1;
}
i--;
}
//else
//{
// PAUL_DBGMSG("channel %d playing",i);
//}
}
}
}
}
// Fade to target volume
speed=(_frames*VOLUME_CHANGE_SPEED)>>10;
current=s_currentVolume;
@ -270,6 +204,8 @@ PAUL_DBGMSG("%d end.. ( was on chnl %d )",id,i);
// Manual update of anything that needs it
// CXAStream::ControlXA();
s_xmplaySound->think();
// Push through any changes in volume
if(s_volumeDirty[SONG]||s_volumeDirty[SONGFADE])
@ -305,11 +241,11 @@ void CSoundMediator::setSong(SONGID _songId)
XMFILEDATA *song;
ASSERT(s_songSampleId==NO_SAMPLE);
ASSERT(s_songDataId==NO_SONG);
ASSERT(s_songModId==NO_SONG);
song=&s_xmSongData[_songId];
s_songDataId=s_xmplaySound->loadSongData(song->m_pxm);
s_songSampleId=s_xmplaySound->loadSamples(song->m_vh,song->m_vb);
s_songModId=s_xmplaySound->loadModData(song->m_pxm);
s_songSampleId=s_xmplaySound->loadSampleData(song->m_vh,song->m_vb);
}
@ -322,10 +258,10 @@ void CSoundMediator::setSong(SONGID _songId)
void CSoundMediator::playSong()
{
ASSERT(s_songSampleId!=NO_SAMPLE);
ASSERT(s_songDataId!=NO_SONG);
ASSERT(s_songModId!=NO_SONG);
ASSERT(s_songPlayingId==NOT_PLAYING);
s_songPlayingId=s_xmplaySound->playSong(s_songSampleId,s_songDataId,SONG_BASE_CHANNEL);
s_songPlayingId=s_xmplaySound->playSong(s_songSampleId,s_songModId,10); // pkg !?
s_volumeDirty[SONG]=true; // Force a volume update
}
@ -339,14 +275,18 @@ void CSoundMediator::playSong()
void CSoundMediator::dumpSong()
{
ASSERT(s_songSampleId!=NO_SAMPLE);
ASSERT(s_songDataId!=NO_SONG);
ASSERT(s_songModId!=NO_SONG);
if(s_songPlayingId!=NOT_PLAYING)s_xmplaySound->stopSong(s_songPlayingId);
s_xmplaySound->dumpSamples(s_songSampleId);
s_xmplaySound->dumpSongData(s_songDataId);
if(s_songPlayingId!=NOT_PLAYING)
{
s_xmplaySound->stopPlayingId(s_songPlayingId);
s_xmplaySound->unlockPlayingId(s_songPlayingId);
}
s_xmplaySound->dumpSampleData(s_songSampleId);
s_xmplaySound->dumpModData(s_songModId);
s_songSampleId=NO_SAMPLE;
s_songDataId=NO_SONG;
s_songModId=NO_SONG;
s_songPlayingId=NOT_PLAYING;
}
@ -362,11 +302,11 @@ void CSoundMediator::setSfxBank(SFXBANKID _bankId)
XMFILEDATA *song;
ASSERT(s_sfxSampleId==NO_SAMPLE);
ASSERT(s_sfxDataId==NO_SONG);
ASSERT(s_sfxModId==NO_SONG);
song=&s_xmSfxData[_bankId];
s_sfxDataId=s_xmplaySound->loadSongData(song->m_pxm);
s_sfxSampleId=s_xmplaySound->loadSamples(song->m_vh,song->m_vb);
s_sfxModId=s_xmplaySound->loadModData(song->m_pxm);
s_sfxSampleId=s_xmplaySound->loadSampleData(song->m_vh,song->m_vb);
}
@ -376,60 +316,42 @@ void CSoundMediator::setSfxBank(SFXBANKID _bankId)
Params:
Returns:
---------------------------------------------------------------------- */
int CSoundMediator::playSfx(int _sfxId)
xmPlayingId CSoundMediator::playSfx(int _sfxId)
{
int sfxChannelMask;
xmPlayingId playId;
SFXDETAILS *sfx;
ASSERT(s_sfxSampleId!=NO_SAMPLE);
ASSERT(s_sfxDataId!=NO_SONG);
int baseChannel;
int channelCount=0;
int sfxChannelMask,maskCopy;
int i,j;
int valid;
int maskCheck=1;
int playId;
sfxChannelMask=3;
// Count channels
maskCopy=sfxChannelMask;
for(i=0;i<24&&maskCopy;i++)
{
if(maskCopy&1)
channelCount++;
maskCopy>>=1;
}
// Find some spare channels to play on
valid=false;
for(i=SFX_BASE_CHANNEL;i<NUM_SPU_CHANNELS-channelCount+1&&valid==false;i++)
{
valid=true;
for(j=i;j<i+channelCount&&valid;j++)
{
if(s_spuChannelUse[j]!=-1) valid=false; // pkg - tidy up
}
}
ASSERT(valid!=false);
baseChannel=i-1;
ASSERT(s_sfxModId!=NO_SONG);
// Play!
playId=s_xmplaySound->playSfx(s_sfxSampleId,s_sfxDataId,baseChannel,_sfxId,sfxChannelMask);
sfx=&s_sfxDetails[_sfxId];
if(sfx->m_looping)
{
playId=s_xmplaySound->playLoopingSfx(s_sfxSampleId,s_sfxModId,sfx->m_pattern,10);
}
else
{
playId=s_xmplaySound->playSfx(s_sfxSampleId,s_sfxModId,sfx->m_pattern,sfx->m_channelMask,20);
if(playId!=NOT_PLAYING)s_xmplaySound->unlockPlayingId(playId); // We really don't care about one-shot sfx..
}
s_volumeDirty[SFX]=true; // Force a volume update
// Clear any dead channels
//for(i=SFX_BASE_CHANNEL;i<NUM_SPU_CHANNELS;i++)
// if(s_spuChannelUse[i]==playId)s_spuChannelUse[i]=-1;
return playId;
}
// Mark channels as active
for(i=baseChannel;i<baseChannel+channelCount;i++)
{
s_spuChannelUse[i]=playId;
}
return 0;
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void CSoundMediator::stopSfx(xmPlayingId _id)
{
s_xmplaySound->stopPlayingId(_id);
s_xmplaySound->unlockPlayingId(_id);
}

56
source/sound/sound.h
View File

@ -79,55 +79,53 @@ public:
// General
static void initialise();
static void shutdown();
static void think(int _frames);
static void initialise();
static void shutdown();
static void think(int _frames);
// Song interface
static void setSong(SONGID _songId);
static void playSong();
static void dumpSong();
static void setSongToFadedOut() {setVolume(SONGFADE,0);}
static void setSongToFadedIn() {setVolume(SONGFADE,255);}
static void setSong(SONGID _songId);
static void playSong();
static void dumpSong();
static void setSongToFadedOut() {setVolume(SONGFADE,0);}
static void setSongToFadedIn() {setVolume(SONGFADE,255);}
// SFX interface
static void setSfxBank(SFXBANKID _bankId);
static int playSfx(int _sfxId);
// static void stopSfx(int _id);
static void setSfxBank(SFXBANKID _bankId);
static xmPlayingId playSfx(int _sfxId);
// static void setposition(int _playId,vector pos );
static void stopSfx(xmPlayingId _id);
// Speech interface
static void playSpeech(SpeechEquate _speech);
static void playSpeech(SpeechEquate _speech);
// Control
static void setVolume(VOLUMETYPE _type,int _val);
static int getVolume(VOLUMETYPE _type);
// static void stopAllSound();
static void setVolume(VOLUMETYPE _type,int _val);
static int getVolume(VOLUMETYPE _type);
// static void stopAllSound();
private:
enum
{
NUM_SPU_CHANNELS=24,
SONG_BASE_CHANNEL =0,
SONG_CHANNELS =10,
SONG_MAX_CHANNEL =SONG_BASE_CHANNEL+SONG_CHANNELS-1,
SFX_BASE_CHANNEL =SONG_MAX_CHANNEL+1,
SFX_CHANNELS =NUM_SPU_CHANNELS-SFX_BASE_CHANNEL,
SFX_MAX_CHANNEL =SFX_BASE_CHANNEL+SFX_CHANNELS-1,
VOLUME_CHANGE_SPEED=2,
INITIAL_VOLUME=192,
};
CSoundMediator() {;}
static int s_initialised;
static int s_initialised;
// static int s_currentVolume[NUM_VOLUMETYPES];
// static int s_targetVolume[NUM_VOLUMETYPES];
static int s_currentVolume[NUM_VOLUMETYPES];
static int s_targetVolume[NUM_VOLUMETYPES];
static int s_volumeDirty[NUM_VOLUMETYPES];
static xmSampleId s_songSampleId;
static xmModId s_songModId;
static xmPlayingId s_songPlayingId;
static xmSampleId s_sfxSampleId;
static xmModId s_sfxModId;
};

410
source/sound/xmplay.cpp
View File

@ -1,4 +1,3 @@
unsigned char *xmPtr;
/*=========================================================================
spu.cpp
@ -96,14 +95,14 @@ void CXMPlaySound::initialise()
size=XM_GetSongSize();
for(i=0;i<MAX_SONG_HEADERS;i++)
{
s_songPtr[i]=(u8*)MemAlloc(size,"XMSong");
XM_SetSongAddress(s_songPtr[i]);
m_songPtr[i]=(u8*)MemAlloc(size,"XMSong");
XM_SetSongAddress(m_songPtr[i]);
}
size=XM_GetFileHeaderSize();
for(i=0;i<MAX_XM_HEADERS;i++)
{
s_fhPtr[i]=(u8*)MemAlloc(size,"XMHeader");
XM_SetFileHeaderAddress(s_fhPtr[i]);
m_fhPtr[i]=(u8*)MemAlloc(size,"XMHeader");
XM_SetFileHeaderAddress(m_fhPtr[i]);
}
VidAddVSyncFunc(XM_Update);
@ -120,6 +119,13 @@ void CXMPlaySound::initialise()
vab->m_refCount=0;
}
for(i=0;i<NUM_SPU_CHANNELS;i++)
{
m_spuChannelUse[i].m_useType=SILENT;
m_spuChannelUse[i].m_locked=false;
}
SOUND_DBGMSG("XMPlay sound initialised");
}
@ -136,13 +142,60 @@ void CXMPlaySound::shutdown()
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
int spuflags[24];
void CXMPlaySound::think()
{
int i;
int id;
spuChannelUse *ch;
XM_Feedback fb;
// Check to see if any of the sounds have finished
id=-1;
ch=m_spuChannelUse;
for(i=0;i<NUM_SPU_CHANNELS;i++)
{
//pkg tidy
// Only unlocked SFX need to be checked
if(ch->m_locked==false&&ch->m_useType==SFX)
{
id=ch->m_playingId;
if(id!=-1)
{
if(XM_GetFeedback(ch->m_internalId,&fb))
{
PAUL_DBGMSG("%d finished.. ( was on chnl %d )",id,i);
while(ch->m_playingId==id&&i<NUM_SPU_CHANNELS)
{
ch->m_useType=SILENT;
ch++;
i++;
}
ch--;
}
}
}
ch++;
}
for(i=0;i<24;i++)
spuflags[i]=m_spuChannelUse[i].m_useType;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
xmSampleId CXMPlaySound::loadSamples(FileEquate _vhFe,FileEquate _vbFe)
xmSampleId CXMPlaySound::loadSampleData(FileEquate _vhFe,FileEquate _vbFe)
{
int vabId;
XMVab *vab;
@ -195,7 +248,7 @@ xmSampleId CXMPlaySound::loadSamples(FileEquate _vhFe,FileEquate _vbFe)
Params:
Returns:
---------------------------------------------------------------------- */
xmSongId CXMPlaySound::loadSongData(FileEquate _songFe)
xmModId CXMPlaySound::loadModData(FileEquate _songFe)
{
int songId;
XMSong *song;
@ -208,7 +261,7 @@ xmSongId CXMPlaySound::loadSongData(FileEquate _songFe)
{
// Yup..
song->m_refCount++;
return(xmSongId)songId;
return(xmModId)songId;
}
}
@ -231,7 +284,7 @@ xmSongId CXMPlaySound::loadSongData(FileEquate _songFe)
songId++;song++;
}
return (xmSongId)songId;
return (xmModId)songId;
}
@ -241,7 +294,7 @@ xmSongId CXMPlaySound::loadSongData(FileEquate _songFe)
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::dumpSamples(xmSampleId _sampleId)
void CXMPlaySound::dumpSampleData(xmSampleId _sampleId)
{
XMVab *vab;
@ -260,7 +313,7 @@ void CXMPlaySound::dumpSamples(xmSampleId _sampleId)
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::dumpSongData(xmSongId _songId)
void CXMPlaySound::dumpModData(xmModId _songId)
{
XMSong *song;
@ -294,7 +347,7 @@ void CXMPlaySound::setStereo(int _stereo)
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::setVolume(xmPlayingSongId _songId,unsigned char _volume)
void CXMPlaySound::setVolume(xmPlayingId _songId,unsigned char _volume)
{
XM_SetMasterVol(_songId,_volume>>1);
}
@ -306,7 +359,7 @@ void CXMPlaySound::setVolume(xmPlayingSongId _songId,unsigned char _volume)
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::setPanning(xmPlayingSongId _songId,char _pan)
void CXMPlaySound::setPanning(xmPlayingId _songId,char _pan)
{
XM_SetMasterPan(_songId,_pan);
}
@ -318,38 +371,38 @@ void CXMPlaySound::setPanning(xmPlayingSongId _songId,char _pan)
Params:
Returns:
---------------------------------------------------------------------- */
//int sid=0;
//int chan=0;
xmPlayingSongId CXMPlaySound::playSong(xmSampleId _sampleId,xmSongId _songId,int _baseChannel)
xmPlayingId CXMPlaySound::playSong(xmSampleId _sampleId,xmModId _songId,int _channelCount)
{
XMVab *vab;
int id;
int baseChannel;
XMVab *vab;
int id;
xmPlayingId retId;
ASSERT(s_xmVabs[_sampleId].m_refCount!=0);
ASSERT(s_xmSongs[_songId].m_refCount!=0);
vab=&s_xmVabs[_sampleId];
id=XM_Init(vab->m_vabId, // id from XM_VABInit
_songId, // XM id ( as passed to InitXMData )
0, // Song id
_baseChannel, // First channel
XM_Loop, // Loop
-1, // Play mask
XM_Music, // Music
0); // Pattern to start at
return (xmPlayingSongId)id;
}
baseChannel=findSpareChannels(_channelCount,255);
if(baseChannel!=-1)
{
retId=getNextSparePlayingId();
vab=&s_xmVabs[_sampleId];
id=XM_Init(vab->m_vabId, // id from XM_VABInit
_songId, // XM id ( as passed to InitXMData )
-1,//baseChannel,//0, // Song id
baseChannel, // First channel
XM_Loop, // Loop
-1, // Play mask
XM_Music, // Music
0); // Pattern to start at
markChannelsAsActive(baseChannel,_channelCount,SONG,retId,id,255);
PAUL_DBGMSG("playSong %d/%d ( on %d-%d )",retId,id,baseChannel,baseChannel+_channelCount-1);
}
else
{
retId=NOT_PLAYING;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::stopSong(xmPlayingSongId _songId)
{
XM_PlayStop(_songId);
return retId;
}
@ -359,45 +412,138 @@ void CXMPlaySound::stopSong(xmPlayingSongId _songId)
Params:
Returns:
---------------------------------------------------------------------- */
//int sid=0;
//int chan=0;
int SONGNUM=1;
xmPlayingSongId CXMPlaySound::playSfx(xmSampleId _sampleId,xmSongId _songId,int _baseChannel,int _sfxPattern,int _playMask=-1)
void CXMPlaySound::unlockPlayingId(xmPlayingId _playingId)
{
// XM_PlaySample(XM_GetSampleAddress(_sampleId,_sfxPattern),23,0x3fff,0x3fff,0x800);
// return (xmPlayingSongId)0;
int i;
spuChannelUse *ch;
ch=m_spuChannelUse;
for(i=0;i<NUM_SPU_CHANNELS;i++,ch++)
{
if(ch->m_playingId==_playingId)
{
PAUL_DBGMSG("unlocking %d",_playingId);
ASSERT(ch->m_locked!=false);
while(ch->m_playingId==_playingId)
{
ch->m_locked=false;
ch++;
}
return;
}
}
ASSERT(0); // Couldn't find the sound to unlock it!
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::stopPlayingId(xmPlayingId _playingId)
{
// ASSERT(m_spuChannelUse[_playingId].m_locked!=true); // Unlock channel first!
int i;
spuChannelUse *ch;
int i, maskCopy,channelCount=0;
XMVab *vab;
int id;
ch=m_spuChannelUse;
for(i=0;i<NUM_SPU_CHANNELS;i++,ch++)
{
if(ch->m_playingId==_playingId)
{
switch(ch->m_useType)
{
case SILENT:
PAUL_DBGMSG("stopping.. woah! %d is already stopped",_playingId);
break;
case SONG:
PAUL_DBGMSG("stopping song on %d",_playingId);
XM_PlayStop(ch->m_internalId);
break;
case SFX:
PAUL_DBGMSG("stopping sfx on %d",_playingId);
XM_PlayStop(ch->m_internalId);
break;
case LOOPINGSFX:
PAUL_DBGMSG("stopping loopingsfx on %d",_playingId);
XM_StopSample(ch->m_internalId);
break;
}
while(ch->m_playingId==_playingId)
{
ch->m_useType=SILENT;
ch++;
}
return;
}
}
ASSERT(0); // Couldn't find the sound to stop it!
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
xmPlayingId CXMPlaySound::playSfx(xmSampleId _sampleId,xmModId _songId,int _sfxPattern,int _playMask,u8 _priority)
{
int i,j;
int maskCopy,channelCount;
int valid;
int baseChannel;
XMVab *vab;
int songId;
int id;
xmPlayingId retId;
ASSERT(s_xmVabs[_sampleId].m_refCount!=0);
ASSERT(s_xmSongs[_songId].m_refCount!=0);
// Count channels
maskCopy=_playMask;
for(i=0;i<24&&maskCopy;i++)
channelCount=0;
for(i=0;i<NUM_SPU_CHANNELS&&maskCopy;i++)
{
if(maskCopy&1)
channelCount++;
maskCopy>>=1;
}
vab=&s_xmVabs[_sampleId];
XM_SetSFXRange(_baseChannel,channelCount);
id=XM_Init(vab->m_vabId, // id from XM_VABInit
_songId, // XM id ( as passed to InitXMData )
SONGNUM, // Song id
-1, // First channel
XM_NoLoop, // Loop
_playMask, // Play mask
XM_SFX, // Music
_sfxPattern); // Pattern to start at
SONGNUM++;
if(SONGNUM>=24)SONGNUM=1;
//PAUL_DBGMSG("sfx - ret:%d",id);
return (xmPlayingSongId)id;
// Play the sound
baseChannel=findSpareChannels(channelCount,_priority);
if(baseChannel!=-1)
{
retId=getNextSparePlayingId();
vab=&s_xmVabs[_sampleId];
XM_SetSFXRange(baseChannel,channelCount);
id=XM_Init(vab->m_vabId, // id from XM_VABInit
_songId, // XM id ( as passed to InitXMData )
-1,//baseChannel,//SONGNUM, // Song id
-1, // First channel
XM_NoLoop, // Loop
_playMask, // Play mask
XM_SFX, // Music
_sfxPattern); // Pattern to start at
XM_ClearSFXRange();
PAUL_DBGMSG("playSfx %d/%d ( on %d-%d )",retId,id,baseChannel,baseChannel+channelCount-1);
markChannelsAsActive(baseChannel,channelCount,SFX,retId,id,_priority);
}
else
{
retId=NOT_PLAYING;
}
return retId;
}
@ -407,11 +553,139 @@ if(SONGNUM>=24)SONGNUM=1;
Params:
Returns:
---------------------------------------------------------------------- */
int CXMPlaySound::isSfxActive(xmPlayingSongId _id)
xmPlayingId CXMPlaySound::playLoopingSfx(xmSampleId _sampleId,xmModId _songId,int _soundId,u8 _priority,int _pitch)
{
XM_Feedback fb;
int baseChannel;
xmPlayingId retId;
return XM_GetFeedback(_id,&fb)==0;
baseChannel=findSpareChannels(1,_priority);
if(baseChannel!=-1)
{
retId=getNextSparePlayingId();
PAUL_DBGMSG("playLoopingSfx %d/- ( on %d-%d )",retId,baseChannel,baseChannel);
XM_PlaySample(XM_GetSampleAddress(_sampleId,_soundId),baseChannel,0x3fff,0x3fff,_pitch);
markChannelsAsActive(baseChannel,1,LOOPINGSFX,retId,baseChannel,_priority);
}
else
{
retId=NOT_PLAYING;
}
return retId;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
xmPlayingId CXMPlaySound::getNextSparePlayingId()
{
xmPlayingId validId;
int i;
spuChannelUse *ch;
static xmPlayingId nextId=(xmPlayingId)(0-1); // fudge to make first id=0
validId=NOT_PLAYING;
while(validId==NOT_PLAYING)
{
nextId=(xmPlayingId)((nextId+1)&0xff); // gives 256 unique id numbers
// Is this id still in use?
validId=nextId;
ch=m_spuChannelUse;
for(i=0;i<NUM_SPU_CHANNELS&&validId!=NOT_PLAYING;i++)
{
if(ch->m_playingId==validId&&!(ch->m_locked==false&&ch->m_useType==SILENT))
validId=NOT_PLAYING;
ch++;
}
}
return validId;
}
/*----------------------------------------------------------------------
Function:
Purpose: Returns the base channel of a slot big enuf for the
requested number of channels
Params:
Returns: baseChannel or -1 if no space
---------------------------------------------------------------------- */
int CXMPlaySound::findSpareChannels(int _channelCount,int _priority)
{
int i,j;
int valid;
// First we search for channels that are marked as unused
valid=false;
for(i=0;i<NUM_SPU_CHANNELS-_channelCount+1&&valid==false;)
{
valid=true;
for(j=i;j<i+_channelCount&&valid;j++)
{
if(m_spuChannelUse[j].m_useType!=SILENT) valid=false; // pkg - tidy up
}
if(valid) return i;
i=j;
}
/*
// Couldn't find one.. can we kill off a lower priority sound?
if(valid==false)
{
int lowestPrioity=_priority;
int possibleBase=-1;
int id;
// Find the lowest priority sound with enuf spare channels
i=0;
while(i<24)
{
if(m_spuChannelUse[i].m_priority<=lowestPriority&&m_spuChannelUse[j].m_useType!=SILENT)
{
valid=true;
id=m_spuChannelUse[i].m_id;
for(j=i;j<i+_channelCount&&valid;j++)
{
if(m_spuChannelUse[j].m_id!=id) valid=false;
}
}
i++;
}
}
*/
// Can't play it :(
return -1;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void CXMPlaySound::markChannelsAsActive(int _baseChannel,int _channelCount,CHANNELUSETYPE _useType,xmPlayingId _playingId,int _internalId,u8 _priority)
{
int i;
spuChannelUse *ch,details;
details.m_useType=_useType;
details.m_internalId=_internalId;
details.m_playingId=_playingId;
details.m_priority=_priority;
details.m_locked=true;
ch=&m_spuChannelUse[_baseChannel];
for(i=_baseChannel;i<_baseChannel+_channelCount;i++,ch++)
*ch=details;
}

55
source/sound/xmplay.h
View File

@ -33,8 +33,8 @@
// This is a bit messy, but makes sure that you can't easily pass the wrong IDs to the xm functions
// ( ..something scares me about this way of doing it tho :)
typedef enum {NO_SAMPLE=-1} xmSampleId;
typedef enum {NO_SONG=-1} xmSongId;
typedef enum {NOT_PLAYING=-1} xmPlayingSongId;
typedef enum {NO_SONG=-1} xmModId;
typedef enum {NOT_PLAYING=-1} xmPlayingId;
/*----------------------------------------------------------------------
@ -46,23 +46,24 @@ class CXMPlaySound
public:
void initialise();
void shutdown();
void think();
xmSampleId loadSamples(FileEquate _vhFe,FileEquate _vbFe);
xmSongId loadSongData(FileEquate _songFe);
void dumpSamples(xmSampleId _sampleId);
void dumpSongData(xmSongId _songId);
xmSampleId loadSampleData(FileEquate _vhFe,FileEquate _vbFe);
xmModId loadModData(FileEquate _songFe);
void dumpSampleData(xmSampleId _sampleId);
void dumpModData(xmModId _songId);
void setStereo(int _stereo);
void setVolume(xmPlayingSongId _songId,unsigned char _volume);
void setPanning(xmPlayingSongId _songId,char _pan);
void setVolume(xmPlayingId _songId,unsigned char _volume);
void setPanning(xmPlayingId _songId,char _pan);
xmPlayingSongId playSong(xmSampleId _sampleId,xmSongId _songId,int _baseChannel);
void stopSong(xmPlayingSongId _songId);
xmPlayingSongId playSfx(xmSampleId _sampleId,xmSongId _songId,int _baseChannel,int _sfxPattern,int _playMask=-1);
int isSfxActive(xmPlayingSongId _id);
xmPlayingId playSong(xmSampleId _sampleId,xmModId _songId,int _channelCount);
xmPlayingId playSfx(xmSampleId _sampleId,xmModId _songId,int _sfxPattern,int _playMask,u8 _priority);
xmPlayingId playLoopingSfx(xmSampleId _sampleId,xmModId _songId,int _soundId,u8 _priority,int _pitch=0x400);
void unlockPlayingId(xmPlayingId _playingId);
void stopPlayingId(xmPlayingId _playingId);
private:
@ -70,12 +71,36 @@ private:
{
MAX_XM_HEADERS=8,
MAX_SONG_HEADERS=24,
NUM_SPU_CHANNELS=24,
};
typedef enum
{
SILENT,
SONG,
SFX,
LOOPINGSFX,
} CHANNELUSETYPE;
typedef struct
{
CHANNELUSETYPE m_useType;
xmPlayingId m_playingId; // extern id
u8 m_internalId;
u8 m_priority;
u8 m_locked;
} spuChannelUse;
xmPlayingId getNextSparePlayingId();
int findSpareChannels(int _channelCount,int _priority);
void markChannelsAsActive(int _baseChannel,int _channelCount,CHANNELUSETYPE _useType,xmPlayingId _playingId,int _internalId,u8 _priority);
void defragSpuMemory();
unsigned char *s_fhPtr[MAX_XM_HEADERS];
unsigned char *s_songPtr[MAX_SONG_HEADERS];
unsigned char *m_fhPtr[MAX_XM_HEADERS];
unsigned char *m_songPtr[MAX_SONG_HEADERS];
spuChannelUse m_spuChannelUse[NUM_SPU_CHANNELS];
};