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Diffstat (limited to 'src/audio/sampman_oal.cpp')
| -rw-r--r-- | src/audio/sampman_oal.cpp | 1404 |
1 files changed, 1404 insertions, 0 deletions
diff --git a/src/audio/sampman_oal.cpp b/src/audio/sampman_oal.cpp new file mode 100644 index 00000000..bbaeae4c --- /dev/null +++ b/src/audio/sampman_oal.cpp @@ -0,0 +1,1404 @@ +#include "common.h" +//#define JUICY_OAL + +#ifdef AUDIO_OAL +#include "sampman.h" + +#include <time.h> +#include <io.h> + +#include "eax.h" +#include "eax-util.h" + +#include <AL/al.h> +#include <AL/alc.h> +#include <AL/alext.h> +#include <AL/efx.h> +#include <AL/efx-presets.h> + +#include "oal/oal_utils.h" +#include "oal/aldlist.h" +#include "oal/channel.h" +#include "oal/stream.h" + +#include "AudioManager.h" +#include "MusicManager.h" +#include "Frontend.h" +#include "Timer.h" + +//TODO: fix eax3 reverb +//TODO: max channals +//TODO: loop count +//TODO: mp3 player + +#pragma comment( lib, "OpenAL32.lib" ) + +cSampleManager SampleManager; +bool _bSampmanInitialised = false; + +uint32 BankStartOffset[MAX_SAMPLEBANKS]; + +int prevprovider=-1; +int curprovider=-1; +int usingEAX=0; +int usingEAX3=0; +//int speaker_type=0; +ALCdevice *ALDevice = NULL; +ALCcontext *ALContext = NULL; +unsigned int _maxSamples; +float _fPrevEaxRatioDestination; +bool _usingEFX; +float _fEffectsLevel; +ALuint ALEffect = AL_EFFECT_NULL; +ALuint ALEffectSlot = AL_EFFECTSLOT_NULL; +struct +{ + char id[256]; + char name[256]; + int sources; +}providers[MAXPROVIDERS]; + +int defaultProvider; + + +char SampleBankDescFilename[] = "AUDIO\\SFX.SDT"; +char SampleBankDataFilename[] = "AUDIO\\SFX.RAW"; + +FILE *fpSampleDescHandle; +FILE *fpSampleDataHandle; +bool bSampleBankLoaded [MAX_SAMPLEBANKS]; +int32 nSampleBankDiscStartOffset [MAX_SAMPLEBANKS]; +int32 nSampleBankSize [MAX_SAMPLEBANKS]; +int32 nSampleBankMemoryStartAddress[MAX_SAMPLEBANKS]; +int32 _nSampleDataEndOffset; + +int32 nPedSlotSfx [MAX_PEDSFX]; +int32 nPedSlotSfxAddr[MAX_PEDSFX]; +uint8 nCurrentPedSlot; + +ALuint pedBuffers[MAX_PEDSFX]; + +CChannel aChannel[MAXCHANNELS+MAX2DCHANNELS]; +uint8 nChannelVolume[MAXCHANNELS+MAX2DCHANNELS]; + +uint32 nStreamLength[TOTAL_STREAMED_SOUNDS]; +ALuint ALStreamSources[MAX_STREAMS]; +ALuint ALStreamBuffers[MAX_STREAMS][NUM_STREAMBUFFERS]; +struct +{ + ALuint buffer; + ALuint timer; + + bool IsEmpty() { return timer == 0; } + void Set(ALuint buf) { buffer = buf; } + void Wait() { timer = 10000; } + void Init() + { + buffer = 0; + timer = 0; + } + void Term() + { + if ( buffer != 0 && alIsBuffer(buffer) ) + alDeleteBuffers(1, &buffer); + timer = 0; + } + void Update() + { + if ( !(timer > 0) ) return; + timer -= ALuint(CTimer::GetTimeStepInMilliseconds()); + if ( timer > 0 ) return; + if ( buffer != 0 && alIsBuffer(buffer) ) + { + alDeleteBuffers(1, &buffer); + timer = ( alGetError() == AL_NO_ERROR ) ? 0 : 10000; + } + } +}ALBuffers[SAMPLEBANK_MAX]; + +uint32 nNumMP3s; +CStream *aStream[MAX_STREAMS]; +uint8 nStreamPan [MAX_STREAMS]; +uint8 nStreamVolume[MAX_STREAMS]; + +/////////////////////////////////////////////////////////////// +// Env Size Diffus Room RoomHF RoomLF DecTm DcHF DcLF Refl RefDel Ref Pan Revb RevDel Rev Pan EchTm EchDp ModTm ModDp AirAbs HFRef LFRef RRlOff FLAGS +EAXLISTENERPROPERTIES StartEAX3 = + {26, 1.7f, 0.8f, -1000, -1000, -100, 4.42f, 0.14f, 1.00f, 429, 0.014f, 0.00f,0.00f,0.00f, 1023, 0.021f, 0.00f,0.00f,0.00f, 0.250f, 0.000f, 0.250f, 0.000f, -5.0f, 2727.1f, 250.0f, 0.00f, 0x3f }; + +EAXLISTENERPROPERTIES FinishEAX3 = + {26, 100.0f, 1.0f, 0, -1000, -2200, 20.0f, 1.39f, 1.00f, 1000, 0.069f, 0.00f,0.00f,0.00f, 400, 0.100f, 0.00f,0.00f,0.00f, 0.250f, 1.000f, 3.982f, 0.000f, -18.0f, 3530.8f, 417.9f, 6.70f, 0x3f }; + +EAXLISTENERPROPERTIES EAX3Params; + + +bool IsFXSupported() +{ + return usingEAX || usingEAX3 || _usingEFX; +} + +void EAX_SetAll(const EAXLISTENERPROPERTIES *allparameters) +{ + if ( usingEAX || usingEAX3 ) + EAX3_Set(ALEffect, allparameters); + else + EFX_Set(ALEffect, allparameters); +} + +static void +add_providers() +{ + SampleManager.SetNum3DProvidersAvailable(0); + + ALDeviceList *pDeviceList = NULL; + pDeviceList = new ALDeviceList(); + + if ((pDeviceList) && (pDeviceList->GetNumDevices())) + { + const int devNumber = Min(pDeviceList->GetNumDevices(), MAXPROVIDERS); + int n = 0; + + for (int i = 0; i < devNumber; i++) + { + if ( n < MAXPROVIDERS ) + { + strcpy(providers[n].id, pDeviceList->GetDeviceName(i)); + strncpy(providers[n].name, pDeviceList->GetDeviceName(i), sizeof(providers[n].name)); + providers[n].sources = pDeviceList->GetMaxNumSources(i); + SampleManager.Set3DProviderName(n, providers[n].name); + n++; + } + + if ( alGetEnumValue("AL_EFFECT_EAXREVERB") != 0 + || pDeviceList->IsExtensionSupported(i, "EAX2.0") + || pDeviceList->IsExtensionSupported(i, "EAX3.0") + || pDeviceList->IsExtensionSupported(i, "EAX4.0") + || pDeviceList->IsExtensionSupported(i, "EAX5.0") ) + { + if ( n < MAXPROVIDERS ) + { + strcpy(providers[n].id, pDeviceList->GetDeviceName(i)); + strncpy(providers[n].name, pDeviceList->GetDeviceName(i), sizeof(providers[n].name)); + strcat(providers[n].name, " EAX"); + providers[n].sources = pDeviceList->GetMaxNumSources(i); + SampleManager.Set3DProviderName(n, providers[n].name); + n++; + } + + if ( n < MAXPROVIDERS ) + { + strcpy(providers[n].id, pDeviceList->GetDeviceName(i)); + strncpy(providers[n].name, pDeviceList->GetDeviceName(i), sizeof(providers[n].name)); + strcat(providers[n].name, " EAX3"); + providers[n].sources = pDeviceList->GetMaxNumSources(i); + SampleManager.Set3DProviderName(n, providers[n].name); + n++; + } + } + } + SampleManager.SetNum3DProvidersAvailable(n); + + for(int j=n;j<MAXPROVIDERS;j++) + SampleManager.Set3DProviderName(j, NULL); + + defaultProvider = pDeviceList->GetDefaultDevice(); + if ( defaultProvider > MAXPROVIDERS ) + defaultProvider = 0; + } + + delete pDeviceList; +} + +static void +release_existing() +{ + for ( int32 i = 0; i < MAXCHANNELS; i++ ) + aChannel[i].Term(); + aChannel[CHANNEL2D].Term(); + + if ( IsFXSupported() ) + { + if ( alIsEffect(ALEffect) ) + { + alEffecti(ALEffect, AL_EFFECT_TYPE, AL_EFFECT_NULL); + alDeleteEffects(1, &ALEffect); + ALEffect = AL_EFFECT_NULL; + } + + if (alIsAuxiliaryEffectSlot(ALEffectSlot)) + { + alAuxiliaryEffectSloti(ALEffectSlot, AL_EFFECTSLOT_EFFECT, AL_EFFECT_NULL); + + alDeleteAuxiliaryEffectSlots(1, &ALEffectSlot); + ALEffectSlot = AL_EFFECTSLOT_NULL; + } + } + + for ( int32 i = 0; i < MAX_STREAMS; i++ ) + { + CStream *stream = aStream[i]; + if (stream) + stream->ProviderTerm(); + + alDeleteSources(1, &ALStreamSources[i]); + alDeleteBuffers(NUM_STREAMBUFFERS, ALStreamBuffers[i]); + } + + alDeleteBuffers(MAX_PEDSFX, pedBuffers); + + for ( int32 i = 0; i < SAMPLEBANK_MAX; i++ ) + { + ALBuffers[i].Term(); + } + + if ( ALContext ) + { + alcMakeContextCurrent(NULL); + alcSuspendContext(ALContext); + alcDestroyContext(ALContext); + } + if ( ALDevice ) + alcCloseDevice(ALDevice); + + ALDevice = NULL; + ALContext = NULL; + + _fPrevEaxRatioDestination = 0.0f; + _usingEFX = false; + _fEffectsLevel = 0.0f; + + DEV("release_existing()\n"); +} + +static bool +set_new_provider(int index) +{ + if ( curprovider == index ) + return true; + + curprovider = index; + + release_existing(); + + if ( curprovider != -1 ) + { + DEV("set_new_provider()\n"); + + //TODO: + _maxSamples = MAXCHANNELS; + + ALCint attr[] = {ALC_FREQUENCY,MAX_FREQ,0}; + + ALDevice = alcOpenDevice(providers[index].id); + ASSERT(ALDevice != NULL); + + ALContext = alcCreateContext(ALDevice, attr); + ASSERT(ALContext != NULL); + + alcMakeContextCurrent(ALContext); + + const char* ext=(const char*)alGetString(AL_EXTENSIONS); + ASSERT(strstr(ext,"AL_SOFT_loop_points")!=NULL); + if ( strstr(ext,"AL_SOFT_loop_points")==NULL ) + { + curprovider=-1; + release_existing(); + return false; + } + + alListenerf (AL_GAIN, 1.0f); + alListener3f(AL_POSITION, 0.0f, 0.0f, 0.0f); + alListener3f(AL_VELOCITY, 0.0f, 0.0f, 0.0f); + ALfloat orientation[6] = { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f }; + alListenerfv(AL_ORIENTATION, orientation); + + alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED); + + if ( alcIsExtensionPresent(ALDevice, (ALCchar*)ALC_EXT_EFX_NAME) ) + { + alGenAuxiliaryEffectSlots(1, &ALEffectSlot); + alGenEffects(1, &ALEffect); + } + + for ( int32 i = 0; i < MAX_STREAMS; i++ ) + { + alGenSources(1, &ALStreamSources[i]); + alGenBuffers(NUM_STREAMBUFFERS, ALStreamBuffers[i]); + + CStream *stream = aStream[i]; + if (stream) + stream->ProviderInit(); + } + + for ( int32 i = 0; i < SAMPLEBANK_MAX; i++ ) + { + ALBuffers[i].Init(); + } + + alGenBuffers(MAX_PEDSFX, pedBuffers); + + usingEAX = 0; + usingEAX3 = 0; + _usingEFX = false; + + if ( !strcmp(&providers[index].name[strlen(providers[index].name) - strlen(" EAX3")], " EAX3") + && alcIsExtensionPresent(ALDevice, (ALCchar*)ALC_EXT_EFX_NAME) ) + { + EAX_SetAll(&FinishEAX3); + + usingEAX = 1; + usingEAX3 = 1; + + DEV("EAX3\n"); + } + else if ( alcIsExtensionPresent(ALDevice, (ALCchar*)ALC_EXT_EFX_NAME) ) + { + EAX_SetAll(&EAX30_ORIGINAL_PRESETS[EAX_ENVIRONMENT_CAVE]); + + if ( !strcmp(&providers[index].name[strlen(providers[index].name) - strlen(" EAX")], " EAX")) + { + usingEAX = 1; + DEV("EAX1\n"); + } + else + { + _usingEFX = true; + DEV("EFX\n"); + } + } + + //SampleManager.SetSpeakerConfig(speaker_type); + + for ( int32 i = 0; i < MAXCHANNELS; i++ ) + aChannel[i].Init(); + aChannel[CHANNEL2D].Init(true); + + if ( IsFXSupported() ) + { + /**/ + alAuxiliaryEffectSloti(ALEffectSlot, AL_EFFECTSLOT_EFFECT, ALEffect); + /**/ + + for ( int32 i = 0; i < MAXCHANNELS; i++ ) + aChannel[i].SetReverbMix(ALEffectSlot, 0.0f); + } + + return true; + } + + return false; +} + +cSampleManager::cSampleManager(void) +{ + ; +} + +cSampleManager::~cSampleManager(void) +{ + +} + +void cSampleManager::SetSpeakerConfig(int32 nConfig) +{ + +} + +uint32 cSampleManager::GetMaximumSupportedChannels(void) +{ + if ( _maxSamples > MAXCHANNELS ) + return MAXCHANNELS; + + return _maxSamples; +} + +uint32 cSampleManager::GetNum3DProvidersAvailable() +{ + return m_nNumberOfProviders; +} + +void cSampleManager::SetNum3DProvidersAvailable(uint32 num) +{ + m_nNumberOfProviders = num; +} + +char *cSampleManager::Get3DProviderName(uint8 id) +{ + return m_aAudioProviders[id]; +} + +void cSampleManager::Set3DProviderName(uint8 id, char *name) +{ + m_aAudioProviders[id] = name; +} + +int8 cSampleManager::GetCurrent3DProviderIndex(void) +{ + return curprovider; +} + +int8 cSampleManager::SetCurrent3DProvider(uint8 nProvider) +{ + ASSERT( nProvider < m_nNumberOfProviders ); + int savedprovider = curprovider; + + if ( nProvider < m_nNumberOfProviders ) + { + if ( set_new_provider(nProvider) ) + return curprovider; + else if ( savedprovider != -1 && savedprovider < m_nNumberOfProviders && set_new_provider(savedprovider) ) + return curprovider; + else + return -1; + } + else + return curprovider; +} + +bool +cSampleManager::IsMP3RadioChannelAvailable(void) +{ + return nNumMP3s != 0; +} + + +void cSampleManager::ReleaseDigitalHandle(void) +{ + if ( ALDevice ) + { + prevprovider = curprovider; + release_existing(); + curprovider = -1; + } +} + +void cSampleManager::ReacquireDigitalHandle(void) +{ + if ( ALDevice ) + { + if ( prevprovider != -1 ) + set_new_provider(prevprovider); + } +} + +bool +cSampleManager::Initialise(void) +{ + if ( _bSampmanInitialised ) + return true; + + EFXInit(); + CStream::Initialise(); + + { + for ( int32 i = 0; i < TOTAL_AUDIO_SAMPLES; i++ ) + { + m_aSamples[i].nOffset = 0; + m_aSamples[i].nSize = 0; + m_aSamples[i].nFrequency = MAX_FREQ; + m_aSamples[i].nLoopStart = 0; + m_aSamples[i].nLoopEnd = -1; + } + + m_nEffectsVolume = MAX_VOLUME; + m_nMusicVolume = MAX_VOLUME; + m_nEffectsFadeVolume = MAX_VOLUME; + m_nMusicFadeVolume = MAX_VOLUME; + + m_nMonoMode = 0; + } + + { + curprovider = -1; + prevprovider = -1; + + _usingEFX = false; + usingEAX =0; + usingEAX3=0; + + _fEffectsLevel = 0.0f; + + _maxSamples = 0; + + ALDevice = NULL; + ALContext = NULL; + } + + { + fpSampleDescHandle = NULL; + fpSampleDataHandle = NULL; + + for ( int32 i = 0; i < MAX_SAMPLEBANKS; i++ ) + { + bSampleBankLoaded[i] = false; + nSampleBankDiscStartOffset[i] = 0; + nSampleBankSize[i] = 0; + nSampleBankMemoryStartAddress[i] = 0; + } + } + + { + for ( int32 i = 0; i < MAX_PEDSFX; i++ ) + { + nPedSlotSfx[i] = NO_SAMPLE; + nPedSlotSfxAddr[i] = 0; + } + + nCurrentPedSlot = 0; + } + + { + for ( int32 i = 0; i < MAXCHANNELS+MAX2DCHANNELS; i++ ) + nChannelVolume[i] = 0; + } + + { + for ( int32 i = 0; i < MAX_STREAMS; i++ ) + { + aStream[i] = NULL; + nStreamVolume[i] = 100; + nStreamPan[i] = 63; + } + + for ( int32 i = 0; i < TOTAL_STREAMED_SOUNDS; i++ ) + nStreamLength[i] = 0; + } + + { + add_providers(); + + if ( !InitialiseSampleBanks() ) + { + Terminate(); + return false; + } + + nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] = (int32)malloc(nSampleBankSize[SAMPLEBANK_MAIN]); + ASSERT(nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] != NULL); + + if ( nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] == NULL ) + { + Terminate(); + return false; + } + + nSampleBankMemoryStartAddress[SAMPLEBANK_PED] = (int32)malloc(PED_BLOCKSIZE*MAX_PEDSFX); + ASSERT(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] != NULL); + } + + + { + _bSampmanInitialised = true; + + if ( 0 >= defaultProvider && defaultProvider < m_nNumberOfProviders ) + { + set_new_provider(defaultProvider); + } + else + { + Terminate(); + return false; + } + } + + { + + for ( int32 i = 0; i < TOTAL_STREAMED_SOUNDS; i++ ) + { + aStream[0] = new CStream(StreamedNameTable[i], ALStreamSources[0], ALStreamBuffers[0]); + + if ( aStream[0] && aStream[0]->IsOpened() ) + { + uint32 tatalms = aStream[0]->GetLengthMS(); + delete aStream[0]; + aStream[0] = NULL; + + nStreamLength[i] = tatalms; + } + else + USERERROR("Can't open '%s'\n", StreamedNameTable[i]); + } + } + + LoadSampleBank(SAMPLEBANK_MAIN); + + return true; +} + +void +cSampleManager::Terminate(void) +{ + release_existing(); + + for (int32 i = 0; i < MAX_STREAMS; i++) + { + CStream *stream = aStream[i]; + if (stream) + { + delete stream; + aStream[i] = NULL; + } + } + + CStream::Terminate(); + + if ( nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] != 0 ) + { + free((void *)nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN]); + nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] = 0; + } + + if ( nSampleBankMemoryStartAddress[SAMPLEBANK_PED] != 0 ) + { + free((void *)nSampleBankMemoryStartAddress[SAMPLEBANK_PED]); + nSampleBankMemoryStartAddress[SAMPLEBANK_PED] = 0; + } + + _bSampmanInitialised = false; +} + +void +cSampleManager::UpdateSoundBuffers(void) +{ + for ( int32 i = 0; i < SAMPLEBANK_MAX; i++ ) + { + ALBuffers[i].Update(); + } +} + +bool cSampleManager::CheckForAnAudioFileOnCD(void) +{ + return true; +} + +char cSampleManager::GetCDAudioDriveLetter(void) +{ + return '\0'; +} + +void +cSampleManager::UpdateEffectsVolume(void) +{ + if ( _bSampmanInitialised ) + { + for ( int32 i = 0; i < MAXCHANNELS+MAX2DCHANNELS; i++ ) + { + if ( GetChannelUsedFlag(i) ) + { + if ( nChannelVolume[i] != 0 ) + aChannel[i].SetVolume(m_nEffectsFadeVolume*nChannelVolume[i]*m_nEffectsVolume >> 14); + } + } + } +} + +void +cSampleManager::SetEffectsMasterVolume(uint8 nVolume) +{ + m_nEffectsVolume = nVolume; + UpdateEffectsVolume(); +} + +void +cSampleManager::SetMusicMasterVolume(uint8 nVolume) +{ + m_nMusicVolume = nVolume; +} + +void +cSampleManager::SetEffectsFadeVolume(uint8 nVolume) +{ + m_nEffectsFadeVolume = nVolume; + UpdateEffectsVolume(); +} + +void +cSampleManager::SetMusicFadeVolume(uint8 nVolume) +{ + m_nMusicFadeVolume = nVolume; +} + +void +cSampleManager::SetMonoMode(uint8 nMode) +{ + m_nMonoMode = nMode; +} + +bool +cSampleManager::LoadSampleBank(uint8 nBank) +{ + ASSERT( nBank < MAX_SAMPLEBANKS ); + + if ( CTimer::GetIsCodePaused() ) + return false; + + if ( MusicManager.IsInitialised() + && MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE + && nBank != SAMPLEBANK_MAIN ) + { + return false; + } + + if ( fseek(fpSampleDataHandle, nSampleBankDiscStartOffset[nBank], SEEK_SET) != 0 ) + return false; + + if ( fread((void *)nSampleBankMemoryStartAddress[nBank], 1, nSampleBankSize[nBank], fpSampleDataHandle) != nSampleBankSize[nBank] ) + return false; + + bSampleBankLoaded[nBank] = true; + + return true; +} + +void +cSampleManager::UnloadSampleBank(uint8 nBank) +{ + ASSERT( nBank < MAX_SAMPLEBANKS ); + + bSampleBankLoaded[nBank] = false; +} + +bool +cSampleManager::IsSampleBankLoaded(uint8 nBank) +{ + ASSERT( nBank < MAX_SAMPLEBANKS ); + + return bSampleBankLoaded[nBank]; +} + +bool +cSampleManager::IsPedCommentLoaded(uint32 nComment) +{ + ASSERT( nComment < TOTAL_AUDIO_SAMPLES ); + + uint8 slot; + + for ( int32 i = 0; i < _TODOCONST(3); i++ ) + { + slot = nCurrentPedSlot - i - 1; + if ( nComment == nPedSlotSfx[slot] ) + return true; + } + + return false; +} + + +int32 +cSampleManager::_GetPedCommentSlot(uint32 nComment) +{ + uint8 slot; + + for (int32 i = 0; i < _TODOCONST(3); i++) + { + slot = nCurrentPedSlot - i - 1; + if (nComment == nPedSlotSfx[slot]) + return slot; + } + + return -1; +} + +bool +cSampleManager::LoadPedComment(uint32 nComment) +{ + ASSERT( nComment < TOTAL_AUDIO_SAMPLES ); + + if ( CTimer::GetIsCodePaused() ) + return false; + + // no talking peds during cutsenes or the game end + if ( MusicManager.IsInitialised() ) + { + switch ( MusicManager.GetMusicMode() ) + { + case MUSICMODE_CUTSCENE: + { + return false; + + break; + } + + case MUSICMODE_FRONTEND: + { + if ( MusicManager.GetCurrentTrack() == STREAMED_SOUND_GAME_COMPLETED ) + return false; + + break; + } + } + } + + if ( fseek(fpSampleDataHandle, m_aSamples[nComment].nOffset, SEEK_SET) != 0 ) + return false; + + if ( fread((void *)(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] + PED_BLOCKSIZE*nCurrentPedSlot), 1, m_aSamples[nComment].nSize, fpSampleDataHandle) != m_aSamples[nComment].nSize ) + return false; + + nPedSlotSfx[nCurrentPedSlot] = nComment; + + alBufferData(pedBuffers[nCurrentPedSlot], + AL_FORMAT_MONO16, + (void *)(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] + PED_BLOCKSIZE*nCurrentPedSlot), + m_aSamples[nComment].nSize, + m_aSamples[nComment].nFrequency); + + if ( ++nCurrentPedSlot >= MAX_PEDSFX ) + nCurrentPedSlot = 0; + + return true; +} + +int32 +cSampleManager::GetBankContainingSound(uint32 offset) +{ + if ( offset >= BankStartOffset[SAMPLEBANK_PED] ) + return SAMPLEBANK_PED; + + if ( offset >= BankStartOffset[SAMPLEBANK_MAIN] ) + return SAMPLEBANK_MAIN; + + return SAMPLEBANK_INVALID; +} + +int32 +cSampleManager::GetSampleBaseFrequency(uint32 nSample) +{ + ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); + return m_aSamples[nSample].nFrequency; +} + +int32 +cSampleManager::GetSampleLoopStartOffset(uint32 nSample) +{ + ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); + return m_aSamples[nSample].nLoopStart; +} + +int32 +cSampleManager::GetSampleLoopEndOffset(uint32 nSample) +{ + ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); + return m_aSamples[nSample].nLoopEnd; +} + +uint32 +cSampleManager::GetSampleLength(uint32 nSample) +{ + ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); + return m_aSamples[nSample].nSize / sizeof(uint16); +} + +bool cSampleManager::UpdateReverb(void) +{ + if ( !usingEAX && !_usingEFX ) + return false; + + if ( AudioManager.GetFrameCounter() & 15 ) + return false; + + float y = AudioManager.GetReflectionsDistance(REFLECTION_TOP) + AudioManager.GetReflectionsDistance(REFLECTION_BOTTOM); + float x = AudioManager.GetReflectionsDistance(REFLECTION_LEFT) + AudioManager.GetReflectionsDistance(REFLECTION_RIGHT); + float z = AudioManager.GetReflectionsDistance(REFLECTION_UP); + + float normy = norm(y, 5.0f, 40.0f); + float normx = norm(x, 5.0f, 40.0f); + float normz = norm(z, 5.0f, 40.0f); + + #define ZR(v, a, b) (((v)==0)?(a):(b)) + #define CALCRATIO(x,y,z,min,max,val) (ZR(y, ZR(x, ZR(z, min, max), min), ZR(x, ZR(z, min, max), ZR(z, min, val)))) + + float fRatio = CALCRATIO(normx, normy, normz, 0.3f, 0.5f, (normy+normx+normz)/3.0f); + + #undef CALCRATIO + #undef ZE + + fRatio = clamp(fRatio, usingEAX3==1 ? 0.0f : 0.30f, 1.0f); + + if ( fRatio == _fPrevEaxRatioDestination ) + return false; + +#ifdef JUICY_OAL + if ( usingEAX3 || _usingEFX ) +#else + if ( usingEAX3 ) +#endif + { + if ( EAX3ListenerInterpolate(&StartEAX3, &FinishEAX3, fRatio, &EAX3Params, false) ) + { + EAX_SetAll(&EAX3Params); + + /* + if ( IsFXSupported() ) + { + alAuxiliaryEffectSloti(ALEffectSlot, AL_EFFECTSLOT_EFFECT, ALEffect); + + for ( int32 i = 0; i < MAXCHANNELS; i++ ) + aChannel[i].UpdateReverb(ALEffectSlot); + } + */ + + _fEffectsLevel = 1.0f - fRatio * 0.5f; + } + } + else + { + if ( _usingEFX ) + _fEffectsLevel = (1.0f - fRatio) * 0.4f; + else + _fEffectsLevel = (1.0f - fRatio) * 0.7f; + } + + _fPrevEaxRatioDestination = fRatio; + + return true; +} + +void +cSampleManager::SetChannelReverbFlag(uint32 nChannel, uint8 nReverbFlag) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + if ( usingEAX || _usingEFX ) + { + if ( IsFXSupported() ) + { + alAuxiliaryEffectSloti(ALEffectSlot, AL_EFFECTSLOT_EFFECT, ALEffect); + + if ( nReverbFlag != 0 ) + aChannel[nChannel].SetReverbMix(ALEffectSlot, _fEffectsLevel); + else + aChannel[nChannel].SetReverbMix(ALEffectSlot, 0.0f); + } + } +} + +bool +cSampleManager::InitialiseChannel(uint32 nChannel, uint32 nSfx, uint8 nBank) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + ALuint buffer; + + if ( nSfx < SAMPLEBANK_MAX ) + { + if ( !IsSampleBankLoaded(nBank) ) + return false; + + int32 addr = nSampleBankMemoryStartAddress[nBank] + m_aSamples[nSfx].nOffset - m_aSamples[BankStartOffset[nBank]].nOffset; + + if ( ALBuffers[nSfx].IsEmpty() ) + { + ALuint buf; + alGenBuffers(1, &buf); + alBufferData(buf, AL_FORMAT_MONO16, (void *)addr, m_aSamples[nSfx].nSize, m_aSamples[nSfx].nFrequency); + ALBuffers[nSfx].Set(buf); + } + ALBuffers[nSfx].Wait(); + + buffer = ALBuffers[nSfx].buffer; + } + else + { + if ( !IsPedCommentLoaded(nSfx) ) + return false; + + int32 slot = _GetPedCommentSlot(nSfx); + + buffer = pedBuffers[slot]; + } + + if ( buffer == 0 ) + { + TRACE("No buffer to play id %d", nSfx); + return false; + } + + if ( GetChannelUsedFlag(nChannel) ) + { + TRACE("Stopping channel %d - really!!!", nChannel); + StopChannel(nChannel); + } + + aChannel[nChannel].Reset(); + if ( aChannel[nChannel].HasSource() ) + { + aChannel[nChannel].SetSampleID (nSfx); + aChannel[nChannel].SetFreq (m_aSamples[nSfx].nFrequency); + aChannel[nChannel].SetLoopPoints (0, -1); + aChannel[nChannel].SetBuffer (buffer); + aChannel[nChannel].SetPitch (1.0f); + return true; + } + + return false; +} + +void +cSampleManager::SetChannelEmittingVolume(uint32 nChannel, uint32 nVolume) +{ + ASSERT( nChannel != CHANNEL2D ); + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + uint32 vol = nVolume; + if ( vol > MAX_VOLUME ) vol = MAX_VOLUME; + + nChannelVolume[nChannel] = vol; + + // reduce channel volume when JB.MP3 or S4_BDBD.MP3 playing + if ( MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE + && MusicManager.GetCurrentTrack() != STREAMED_SOUND_NEWS_INTRO + && MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD ) + { + nChannelVolume[nChannel] = vol / 4; + } + + // no idea, does this one looks like a bug or it's SetChannelVolume ? + aChannel[nChannel].SetVolume(m_nEffectsFadeVolume*nChannelVolume[nChannel]*m_nEffectsVolume >> 14); +} + +void +cSampleManager::SetChannel3DPosition(uint32 nChannel, float fX, float fY, float fZ) +{ + ASSERT( nChannel != CHANNEL2D ); + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + aChannel[nChannel].SetPosition(-fX, fY, fZ); +} + +void +cSampleManager::SetChannel3DDistances(uint32 nChannel, float fMax, float fMin) +{ + ASSERT( nChannel != CHANNEL2D ); + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + aChannel[nChannel].SetDistances(fMax, fMin); +} + +void +cSampleManager::SetChannelVolume(uint32 nChannel, uint32 nVolume) +{ + ASSERT( nChannel == CHANNEL2D ); + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + if ( nChannel == CHANNEL2D ) + { + uint32 vol = nVolume; + if ( vol > MAX_VOLUME ) vol = MAX_VOLUME; + + nChannelVolume[nChannel] = vol; + + // reduce the volume for JB.MP3 and S4_BDBD.MP3 + if ( MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE + && MusicManager.GetCurrentTrack() != STREAMED_SOUND_NEWS_INTRO + && MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD ) + { + nChannelVolume[nChannel] = vol / 4; + } + + aChannel[nChannel].SetVolume(m_nEffectsFadeVolume*vol*m_nEffectsVolume >> 14); + } +} + +void +cSampleManager::SetChannelPan(uint32 nChannel, uint32 nPan) +{ + ASSERT(nChannel == CHANNEL2D); + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + if ( nChannel == CHANNEL2D ) + { + aChannel[nChannel].SetPan(nPan); + } +} + +void +cSampleManager::SetChannelFrequency(uint32 nChannel, uint32 nFreq) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + aChannel[nChannel].SetCurrentFreq(nFreq); +} + +void +cSampleManager::SetChannelLoopPoints(uint32 nChannel, uint32 nLoopStart, int32 nLoopEnd) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + aChannel[nChannel].SetLoopPoints(nLoopStart / (DIGITALBITS / 8), nLoopEnd / (DIGITALBITS / 8)); +} + +void +cSampleManager::SetChannelLoopCount(uint32 nChannel, uint32 nLoopCount) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + aChannel[nChannel].SetLoopCount(nLoopCount); +} + +bool +cSampleManager::GetChannelUsedFlag(uint32 nChannel) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + return aChannel[nChannel].IsUsed(); +} + +void +cSampleManager::StartChannel(uint32 nChannel) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + aChannel[nChannel].Start(); +} + +void +cSampleManager::StopChannel(uint32 nChannel) +{ + ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); + + aChannel[nChannel].Stop(); +} + +void +cSampleManager::PreloadStreamedFile(uint8 nFile, uint8 nStream) +{ + char filename[256]; + + ASSERT( nStream < MAX_STREAMS ); + + if ( nFile < TOTAL_STREAMED_SOUNDS ) + { + if ( aStream[nStream] ) + { + delete aStream[nStream]; + aStream[nStream] = NULL; + } + + strcpy(filename, StreamedNameTable[nFile]); + + CStream *stream = new CStream(filename, ALStreamSources[nStream], ALStreamBuffers[nStream]); + ASSERT(stream != NULL); + + aStream[nStream] = stream; + if ( !stream->IsOpened() ) + { + delete stream; + aStream[nStream] = NULL; + } + } +} + +void +cSampleManager::PauseStream(uint8 nPauseFlag, uint8 nStream) +{ + ASSERT( nStream < MAX_STREAMS ); + + CStream *stream = aStream[nStream]; + + if ( stream ) + { + stream->SetPause(nPauseFlag != 0); + } +} + +void +cSampleManager::StartPreloadedStreamedFile(uint8 nStream) +{ + ASSERT( nStream < MAX_STREAMS ); + + CStream *stream = aStream[nStream]; + + if ( stream ) + { + if ( stream->Setup() ) + { + stream->Start(); + } + } +} + +bool +cSampleManager::StartStreamedFile(uint8 nFile, uint32 nPos, uint8 nStream) +{ + char filename[256]; + + ASSERT( nStream < MAX_STREAMS ); + + if ( nFile < TOTAL_STREAMED_SOUNDS ) + { + if ( aStream[nStream] ) + { + delete aStream[nStream]; + aStream[nStream] = NULL; + } + + strcpy(filename, StreamedNameTable[nFile]); + + CStream *stream = new CStream(filename, ALStreamSources[nStream], ALStreamBuffers[nStream]); + ASSERT(stream != NULL); + + aStream[nStream] = stream; + + if ( stream->IsOpened() ) + { + nStreamLength[nFile] = stream->GetLengthMS(); + if ( stream->Setup() ) + { + if ( nPos != 0 ) + stream->SetPosMS(nPos); + + stream->Start(); + } + + return true; + } + else + { + delete stream; + aStream[nStream] = NULL; + } + } + + return false; +} + +void +cSampleManager::StopStreamedFile(uint8 nStream) +{ + ASSERT( nStream < MAX_STREAMS ); + + CStream *stream = aStream[nStream]; + + if ( stream ) + { + delete stream; + aStream[nStream] = NULL; + } +} + +int32 +cSampleManager::GetStreamedFilePosition(uint8 nStream) +{ + ASSERT( nStream < MAX_STREAMS ); + + CStream *stream = aStream[nStream]; + + if ( stream ) + { + return stream->GetPosMS(); + } + + return 0; +} + +void +cSampleManager::SetStreamedVolumeAndPan(uint8 nVolume, uint8 nPan, uint8 nEffectFlag, uint8 nStream) +{ + ASSERT( nStream < MAX_STREAMS ); + + if ( nVolume > MAX_VOLUME ) + nVolume = MAX_VOLUME; + + if ( nPan > MAX_VOLUME ) + nPan = MAX_VOLUME; + + nStreamVolume[nStream] = nVolume; + nStreamPan [nStream] = nPan; + + CStream *stream = aStream[nStream]; + + if ( stream ) + { + if ( nEffectFlag ) + stream->SetVolume(m_nEffectsFadeVolume*nVolume*m_nEffectsVolume >> 14); + else + stream->SetVolume(m_nMusicFadeVolume*nVolume*m_nMusicVolume >> 14); + + stream->SetPan(nPan); + } +} + +int32 +cSampleManager::GetStreamedFileLength(uint8 nStream) +{ + ASSERT( nStream < TOTAL_STREAMED_SOUNDS ); + + return nStreamLength[nStream]; +} + +bool +cSampleManager::IsStreamPlaying(uint8 nStream) +{ + ASSERT( nStream < MAX_STREAMS ); + + CStream *stream = aStream[nStream]; + + if ( stream ) + { + if ( stream->IsPlaying() ) + return true; + } + + return false; +} + +void +cSampleManager::Service(void) +{ + for ( int32 i = 0; i < MAX_STREAMS; i++ ) + { + CStream *stream = aStream[i]; + + if ( stream ) + stream->Update(); + } + + UpdateSoundBuffers(); +} + +bool +cSampleManager::InitialiseSampleBanks(void) +{ + int32 nBank = SAMPLEBANK_MAIN; + + fpSampleDescHandle = fopen(SampleBankDescFilename, "rb"); + if ( fpSampleDescHandle == NULL ) + return false; + + fpSampleDataHandle = fopen(SampleBankDataFilename, "rb"); + if ( fpSampleDataHandle == NULL ) + { + fclose(fpSampleDescHandle); + fpSampleDescHandle = NULL; + + return false; + } + + fseek(fpSampleDataHandle, 0, SEEK_END); + int32 _nSampleDataEndOffset = ftell(fpSampleDataHandle); + rewind(fpSampleDataHandle); + + fread(m_aSamples, sizeof(tSample), TOTAL_AUDIO_SAMPLES, fpSampleDescHandle); + + fclose(fpSampleDescHandle); + fpSampleDescHandle = NULL; + + for ( int32 i = 0; i < TOTAL_AUDIO_SAMPLES; i++ ) + { +#ifdef FIX_BUGS + if (nBank >= MAX_SAMPLEBANKS) break; +#endif + if ( BankStartOffset[nBank] == BankStartOffset[SAMPLEBANK_MAIN] + i ) + { + nSampleBankDiscStartOffset[nBank] = m_aSamples[i].nOffset; + nBank++; + } + } + + nSampleBankSize[SAMPLEBANK_MAIN] = nSampleBankDiscStartOffset[SAMPLEBANK_PED] - nSampleBankDiscStartOffset[SAMPLEBANK_MAIN]; + nSampleBankSize[SAMPLEBANK_PED] = _nSampleDataEndOffset - nSampleBankDiscStartOffset[SAMPLEBANK_PED]; + + return true; +} + +#endif
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