GliderPRO/Sources/Sound.c
John Calhoun 7a70d18ba6 First check-in.
Sources for Glider PRO, a Macintosh game written by John Calhoun and
published by Casady & Greene, Inc. I believe it was using CodeWarrior
IDE to create a fat (68K and PowerPC) binary.
2016-01-28 08:10:38 -08:00

1 line
11 KiB
C
Executable File

//============================================================================
//----------------------------------------------------------------------------
// Sound.c
//----------------------------------------------------------------------------
//============================================================================
#include <Resources.h>
#include <Sound.h>
#include "Externs.h"
#define kBaseBufferSoundID 1000
#define kMaxSounds 64
#define kNoSoundPlaying -1
pascal void CallBack0 (SndChannelPtr, SndCommand *);
pascal void CallBack1 (SndChannelPtr, SndCommand *);
pascal void CallBack2 (SndChannelPtr, SndCommand *);
OSErr LoadBufferSounds (void);
void DumpBufferSounds (void);
OSErr OpenSoundChannels (void);
OSErr CloseSoundChannels (void);
SndCallBackUPP callBack0UPP, callBack1UPP, callBack2UPP;
SndChannelPtr channel0, channel1, channel2;
Ptr theSoundData[kMaxSounds];
short numSoundsLoaded, priority0, priority1, priority2;
short soundPlaying0, soundPlaying1, soundPlaying2;
Boolean soundLoaded[kMaxSounds], dontLoadSounds;
Boolean channelOpen, isSoundOn, failedSound;
//============================================================== Functions
//-------------------------------------------------------------- PlayPrioritySound
void PlayPrioritySound (short which, short priority)
{
short lowestPriority, whosLowest;
if (failedSound || dontLoadSounds)
return;
if ((priority == kTriggerPriority) &&
((priority0 == kTriggerPriority) ||
((priority1 == kTriggerPriority)) ||
((priority2 == kTriggerPriority))))
return;
whosLowest = 0;
lowestPriority = priority0;
if (priority1 < lowestPriority)
{
lowestPriority = priority1;
whosLowest = 1;
}
if (priority2 < lowestPriority)
{
lowestPriority = priority2;
whosLowest = 2;
}
if (priority >= lowestPriority)
{
switch (whosLowest)
{
case 0:
PlaySound0(which, priority);
break;
case 1:
PlaySound1(which, priority);
break;
case 2:
PlaySound2(which, priority);
break;
}
}
}
//-------------------------------------------------------------- FlushAnyTriggerPlaying
void FlushAnyTriggerPlaying (void)
{
SndCommand theCommand;
OSErr theErr;
if (priority0 == kTriggerPriority)
{
theCommand.cmd = quietCmd;
theCommand.param1 = 0;
theCommand.param2 = 0;
theErr = SndDoImmediate(channel0, &theCommand);
theCommand.cmd = flushCmd;
theCommand.param1 = 0;
theCommand.param2 = 0;
theErr = SndDoImmediate(channel0, &theCommand);
}
if (priority1 == kTriggerPriority)
{
theCommand.cmd = quietCmd;
theCommand.param1 = 0;
theCommand.param2 = 0;
theErr = SndDoImmediate(channel1, &theCommand);
theCommand.cmd = flushCmd;
theCommand.param1 = 0;
theCommand.param2 = 0;
theErr = SndDoImmediate(channel1, &theCommand);
}
if (priority2 == kTriggerPriority)
{
theCommand.cmd = quietCmd;
theCommand.param1 = 0;
theCommand.param2 = 0;
theErr = SndDoImmediate(channel2, &theCommand);
theCommand.cmd = flushCmd;
theCommand.param1 = 0;
theCommand.param2 = 0;
theErr = SndDoImmediate(channel2, &theCommand);
}
}
//-------------------------------------------------------------- PlaySound0
void PlaySound0 (short soundID, short priority)
{
SndCommand theCommand;
OSErr theErr;
if (failedSound || dontLoadSounds)
return;
theErr = noErr;
if (isSoundOn)
{
priority0 = priority;
soundPlaying0 = soundID;
theCommand.cmd = bufferCmd;
theCommand.param1 = 0;
theCommand.param2 = (long)(theSoundData[soundID]);
theErr = SndDoImmediate(channel0, &theCommand);
theCommand.cmd = callBackCmd;
theCommand.param1 = 0;
theCommand.param2 = SetCurrentA5();
theErr = SndDoCommand(channel0, &theCommand, true);
}
}
//-------------------------------------------------------------- PlaySound1
void PlaySound1 (short soundID, short priority)
{
SndCommand theCommand;
OSErr theErr;
if (failedSound || dontLoadSounds)
return;
theErr = noErr;
if (isSoundOn)
{
priority1 = priority;
soundPlaying1 = soundID;
theCommand.cmd = bufferCmd;
theCommand.param1 = 0;
theCommand.param2 = (long)(theSoundData[soundID]);
theErr = SndDoImmediate(channel1, &theCommand);
theCommand.cmd = callBackCmd;
theCommand.param1 = 0;
theCommand.param2 = SetCurrentA5();
theErr = SndDoCommand(channel1, &theCommand, true);
}
}
//-------------------------------------------------------------- PlaySound2
void PlaySound2 (short soundID, short priority)
{
SndCommand theCommand;
OSErr theErr;
if (failedSound || dontLoadSounds)
return;
theErr = noErr;
if (isSoundOn)
{
theCommand.cmd = bufferCmd;
theCommand.param1 = 0;
theCommand.param2 = (long)(theSoundData[soundID]);
theErr = SndDoImmediate(channel2, &theCommand);
theCommand.cmd = callBackCmd;
theCommand.param1 = 0;
theCommand.param2 = SetCurrentA5();
theErr = SndDoCommand(channel2, &theCommand, true);
priority2 = priority;
soundPlaying2 = soundID;
}
}
//-------------------------------------------------------------- CallBack0
pascal void CallBack0 (SndChannelPtr theChannel, SndCommand *theCommand)
{
#pragma unused (theChannel)
long thisA5, gameA5;
gameA5 = theCommand->param2;
thisA5 = SetA5(gameA5);
priority0 = 0;
soundPlaying0 = kNoSoundPlaying;
thisA5 = SetA5(thisA5);
}
//-------------------------------------------------------------- CallBack1
pascal void CallBack1 (SndChannelPtr theChannel, SndCommand *theCommand)
{
#pragma unused (theChannel)
long thisA5, gameA5;
gameA5 = theCommand->param2;
thisA5 = SetA5(gameA5);
priority1 = 0;
soundPlaying1 = kNoSoundPlaying;
thisA5 = SetA5(thisA5);
}
//-------------------------------------------------------------- CallBack2
pascal void CallBack2 (SndChannelPtr theChannel, SndCommand *theCommand)
{
#pragma unused (theChannel)
long thisA5, gameA5;
gameA5 = theCommand->param2;
thisA5 = SetA5(gameA5);
priority2 = 0;
soundPlaying2 = kNoSoundPlaying;
thisA5 = SetA5(thisA5);
}
//-------------------------------------------------------------- LoadTriggerSound
OSErr LoadTriggerSound (short soundID)
{
Handle theSound;
long soundDataSize;
OSErr theErr;
if ((dontLoadSounds) || (theSoundData[kMaxSounds - 1] != nil))
theErr = -1;
else
{
// FlushAnyTriggerPlaying();
theErr = noErr;
theSound = GetResource('snd ', soundID);
if (theSound == nil)
{
theErr = -1;
}
else
{
soundDataSize = GetHandleSize(theSound) - 20L;
theSoundData[kMaxSounds - 1] = NewPtr(soundDataSize);
HLock(theSound);
if (theSoundData[kMaxSounds - 1] == nil)
{
ReleaseResource(theSound);
theErr = MemError();
}
else
{
BlockMove((Ptr)(*theSound + 20L), theSoundData[kMaxSounds - 1], soundDataSize);
ReleaseResource(theSound);
}
}
}
return (theErr);
}
//-------------------------------------------------------------- DumpTriggerSound
void DumpTriggerSound (void)
{
if (theSoundData[kMaxSounds - 1] != nil)
DisposePtr(theSoundData[kMaxSounds - 1]);
theSoundData[kMaxSounds - 1] = nil;
}
//-------------------------------------------------------------- LoadBufferSounds
OSErr LoadBufferSounds (void)
{
Handle theSound;
long soundDataSize;
OSErr theErr;
short i;
theErr = noErr;
for (i = 0; i < kMaxSounds - 1; i++)
{
theSound = GetResource('snd ', i + kBaseBufferSoundID);
if (theSound == nil)
return (MemError());
HLock(theSound);
soundDataSize = GetHandleSize(theSound) - 20L;
HUnlock(theSound);
theSoundData[i] = NewPtr(soundDataSize);
if (theSoundData[i] == nil)
return (MemError());
HLock(theSound);
BlockMove((Ptr)(*theSound + 20L), theSoundData[i], soundDataSize);
ReleaseResource(theSound);
}
theSoundData[kMaxSounds - 1] = nil;
return (theErr);
}
//-------------------------------------------------------------- DumpBufferSounds
void DumpBufferSounds (void)
{
short i;
for (i = 0; i < kMaxSounds; i++)
{
if (theSoundData[i] != nil)
DisposePtr(theSoundData[i]);
theSoundData[i] = nil;
}
}
//-------------------------------------------------------------- OpenSoundChannels
OSErr OpenSoundChannels (void)
{
OSErr theErr;
callBack0UPP = NewSndCallBackProc(CallBack0);
callBack1UPP = NewSndCallBackProc(CallBack1);
callBack2UPP = NewSndCallBackProc(CallBack2);
theErr = noErr;
if (channelOpen)
return (theErr);
theErr = SndNewChannel(&channel0,
sampledSynth, initNoInterp + initMono,
(SndCallBackUPP)callBack0UPP);
if (theErr == noErr)
channelOpen = true;
else
return (theErr);
theErr = SndNewChannel(&channel1,
sampledSynth, initNoInterp + initMono,
(SndCallBackUPP)callBack1UPP);
if (theErr == noErr)
channelOpen = true;
else
return (theErr);
theErr = SndNewChannel(&channel2,
sampledSynth, initNoInterp + initMono,
(SndCallBackUPP)callBack2UPP);
if (theErr == noErr)
channelOpen = true;
return (theErr);
}
//-------------------------------------------------------------- CloseSoundChannels
OSErr CloseSoundChannels (void)
{
OSErr theErr;
theErr = noErr;
if (!channelOpen)
return (theErr);
if (channel0 != nil)
theErr = SndDisposeChannel(channel0, true);
channel0 = nil;
if (channel1 != nil)
theErr = SndDisposeChannel(channel1, true);
channel1 = nil;
if (channel2 != nil)
theErr = SndDisposeChannel(channel2, true);
channel2 = nil;
if (theErr == noErr)
channelOpen = false;
DisposeSndCallBackUPP(callBack0UPP);
DisposeSndCallBackUPP(callBack1UPP);
DisposeSndCallBackUPP(callBack2UPP);
return (theErr);
}
//-------------------------------------------------------------- InitSound
void InitSound (void)
{
OSErr theErr;
if (dontLoadSounds)
return;
failedSound = false;
channel0 = nil;
channel1 = nil;
channel2 = nil;
priority0 = 0;
priority1 = 0;
priority2 = 0;
soundPlaying0 = kNoSoundPlaying;
soundPlaying1 = kNoSoundPlaying;
soundPlaying2 = kNoSoundPlaying;
theErr = LoadBufferSounds();
if (theErr != noErr)
{
YellowAlert(kYellowFailedSound, theErr);
failedSound = true;
}
if (!failedSound)
{
theErr = OpenSoundChannels();
if (theErr != noErr)
{
YellowAlert(kYellowFailedSound, theErr);
failedSound = true;
}
}
}
//-------------------------------------------------------------- KillSound
void KillSound (void)
{
OSErr theErr;
if (dontLoadSounds)
return;
DumpBufferSounds();
theErr = CloseSoundChannels();
}
//-------------------------------------------------------------- SoundBytesNeeded
long SoundBytesNeeded (void)
{
Handle theSound;
long totalBytes;
short i;
totalBytes = 0L;
SetResLoad(false);
for (i = 0; i < kMaxSounds - 1; i++)
{
theSound = GetResource('snd ', i + kBaseBufferSoundID);
if (theSound == nil)
{
SetResLoad(true);
return ((long)ResError());
}
totalBytes += GetMaxResourceSize(theSound);
// ReleaseResource(theSound);
}
SetResLoad(true);
return totalBytes;
}
//-------------------------------------------------------------- TellHerNoSounds
void TellHerNoSounds (void)
{
#define kNoMemForSoundsAlert 1039
short hitWhat;
// CenterAlert(kNoMemForSoundsAlert);
hitWhat = Alert(kNoMemForSoundsAlert, nil);
}
//-------------------------------------------------------------- BitchAboutSM3
void BitchAboutSM3 (void)
{
#define kNoSoundManager3Alert 1030
short hitWhat;
// CenterAlert(kNoSoundManager3Alert);
hitWhat = Alert(kNoSoundManager3Alert, nil);
}