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path: root/src/audio/sampman_miles.cpp
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#define WITHWINDOWS
#include "common.h"

#ifdef AUDIO_MSS
#include <shlobj.h>
#include <shlguid.h>

#include <time.h>

#include "eax.h"
#include "eax-util.h"
#include "mss.h"

#include "sampman.h"
#include "AudioManager.h"
#include "MusicManager.h"
#include "Frontend.h"
#include "Timer.h"


#pragma comment( lib, "mss32.lib" )

cSampleManager SampleManager;
uint32 BankStartOffset[MAX_SFX_BANKS];
///////////////////////////////////////////////////////////////

char SampleBankDescFilename[] = "AUDIO\\SFX.SDT";
char SampleBankDataFilename[] = "AUDIO\\SFX.RAW";

FILE *fpSampleDescHandle;
FILE *fpSampleDataHandle;
bool8 bSampleBankLoaded            [MAX_SFX_BANKS];
int32 nSampleBankDiscStartOffset   [MAX_SFX_BANKS];
int32 nSampleBankSize              [MAX_SFX_BANKS];
int32 nSampleBankMemoryStartAddress[MAX_SFX_BANKS];
int32 _nSampleDataEndOffset;

int32 nPedSlotSfx    [MAX_PEDSFX];
int32 nPedSlotSfxAddr[MAX_PEDSFX];
uint8 nCurrentPedSlot;

uint8 nChannelVolume[MAXCHANNELS+MAX2DCHANNELS];

uint32 nStreamLength[TOTAL_STREAMED_SOUNDS];

///////////////////////////////////////////////////////////////
struct tMP3Entry
{
	char aFilename[MAX_PATH];
	
	uint32 nTrackLength;
	uint32 nTrackStreamPos;
	
	tMP3Entry *pNext;
	char *pLinkPath;
};

uint32 nNumMP3s;
tMP3Entry *_pMP3List;
char _mp3DirectoryPath[MAX_PATH];
HSTREAM mp3Stream [MAX_STREAMS];
int8 nStreamPan   [MAX_STREAMS];
int8 nStreamVolume[MAX_STREAMS];
uint32 _CurMP3Index;
int32 _CurMP3Pos;
bool8 _bIsMp3Active;

#if GTA_VERSION >= GTA3_PC_11 || defined(NO_CDCHECK)
bool8 _bUseHDDAudio;
char _aHDDPath[MAX_PATH];
#endif
///////////////////////////////////////////////////////////////


bool8 _bSampmanInitialised = FALSE;
#ifdef EXTERNAL_3D_SOUND
//
// Miscellaneous globals / defines

//	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;

S32         prevprovider=-1;
S32         curprovider=-1;
S32         usingEAX=0;
S32         usingEAX3=0;
HPROVIDER   opened_provider=0;
H3DSAMPLE   opened_samples[MAXCHANNELS] = {0};
#endif
HSAMPLE     opened_2dsamples[MAX2DCHANNELS] = {0};
HDIGDRIVER  DIG;
#ifdef EXTERNAL_3D_SOUND
S32         speaker_type=0;
U32 _maxSamples;
float _fPrevEaxRatioDestination;
bool8 _usingMilesFast2D;
float _fEffectsLevel;


struct
{
	HPROVIDER id;
	char name[80];
}providers[MAXPROVIDERS];

typedef struct provider_stuff
{
  char* name;
  HPROVIDER id;
} provider_stuff;


static int __cdecl comp(const provider_stuff*s1,const provider_stuff*s2)
{
  return( _stricmp(s1->name,s2->name) );
}

static void
add_providers()
{
	provider_stuff pi[MAXPROVIDERS];
	U32   n,i,j;
	
	SampleManager.SetNum3DProvidersAvailable(0);
	
	HPROENUM next = HPROENUM_FIRST;
	
	n=0;
	while (AIL_enumerate_3D_providers(&next, &pi[n].id, &pi[n].name) && (n<MAXPROVIDERS))
	{
		++n;
	}
	
	qsort(pi,n,sizeof(pi[0]), (int(__cdecl*)(void const*, void const*))comp);
	
	for(i=0;i<n;i++)
	{
		providers[i].id=pi[i].id;
		strcpy(providers[i].name, pi[i].name);
		SampleManager.Set3DProviderName(i, providers[i].name);
	}
	
	SampleManager.SetNum3DProvidersAvailable(n);
	
	for(j=n;j<MAXPROVIDERS;j++)
		SampleManager.Set3DProviderName(j, NULL);
}

static void
release_existing()
{
	for ( U32 i = 0; i < _maxSamples; i++ )
	{
		if ( opened_samples[i] )
		{
			AIL_release_3D_sample_handle(opened_samples[i]);
			opened_samples[i] = NULL;
		}
	}

	if ( opened_provider )
	{
		AIL_close_3D_provider(opened_provider);
		opened_provider = NULL;
	}

	_fPrevEaxRatioDestination = 0.0f;
	_usingMilesFast2D = FALSE;
	_fEffectsLevel = 0.0f;
}

static bool8
set_new_provider(S32 index)
{
	DWORD result;
	
	if ( curprovider == index )
		return TRUE;

	//close the already opened provider
	curprovider = index;
	
	release_existing();
	
	if ( curprovider != -1 )
	{
		if ( !strcmp(providers[index].name, "Dolby Surround") )
			_maxSamples = MAXCHANNELS_SURROUND;
		else
			_maxSamples = MAXCHANNELS;
		
		AIL_set_3D_provider_preference(providers[index].id, "Maximum supported samples", &_maxSamples);
		
		//load the new provider
		result = AIL_open_3D_provider(providers[index].id);
		
		if (result != M3D_NOERR) 
		{
			curprovider=-1;
			
			OutputDebugStringA(AIL_last_error());
			
			release_existing();
			
			return FALSE;
		}
		else
		{
			opened_provider=providers[index].id;
			
			//see if we're running under an EAX compatible provider
			
			if ( !strcmp(providers[index].name, "Creative Labs EAX 3 (TM)") )
			{
				usingEAX = 1;
				usingEAX3 = 1;
			}
			else
			{
				usingEAX3 = 0;

				result=AIL_3D_room_type(opened_provider);
				usingEAX=(((S32)result)!=-1)?1:0; // will be something other than -1 on EAX				
			}
			
			if ( usingEAX3 )
			{
				OutputDebugString("DOING SPECIAL EAX 3 STUFF!");
				AIL_set_3D_provider_preference(opened_provider, "EAX all parameters", &FinishEAX3);
			}
			else if ( usingEAX )
			{
				AIL_set_3D_room_type(opened_provider, ENVIRONMENT_CAVE);
				
				if ( !strcmp(providers[index].name, "Miles Fast 2D Positional Audio") )
					_usingMilesFast2D = TRUE;
			}
			
			AIL_3D_provider_attribute(opened_provider, "Maximum supported samples", &_maxSamples);
			
			if ( _maxSamples > MAXCHANNELS )
				_maxSamples = MAXCHANNELS;
			
			SampleManager.SetSpeakerConfig(speaker_type);
			
			//obtain a 3D sample handles
			for ( U32 i = 0; i < _maxSamples; ++i )
			{
				opened_samples[i] = AIL_allocate_3D_sample_handle(opened_provider);
				if ( opened_samples[i] != NULL )
					AIL_set_3D_sample_effects_level(opened_samples[i], 0.0f);
			}
			
			return TRUE;
		}	
	}
	
	return FALSE;
}
#endif

cSampleManager::cSampleManager(void) : 
	m_nNumberOfProviders(0)
{
	;
}

cSampleManager::~cSampleManager(void)
{
	
}

#ifdef EXTERNAL_3D_SOUND
void
cSampleManager::SetSpeakerConfig(int32 which)
{
	switch ( which )
	{
		case 1:
			speaker_type=AIL_3D_2_SPEAKER;
			break;
		
		case 2:
			speaker_type=AIL_3D_HEADPHONE;
			break;
		
		case 3:
			speaker_type=AIL_3D_4_SPEAKER;
			break;
			
		default:
			return;
			break;
	}
	
	if (opened_provider)
		AIL_set_3D_speaker_type(opened_provider, speaker_type);
}

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)
{
	S32 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;
}
#endif

static bool8
_ResolveLink(char const *path, char *out)
{
	IShellLink* psl;
	WIN32_FIND_DATA fd;
	char filepath[MAX_PATH];
	
	CoInitialize(NULL);
									   
	if (SUCCEEDED( CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID*)&psl ) ))
	{
		IPersistFile *ppf;

		if (SUCCEEDED(psl->QueryInterface(IID_IPersistFile, (LPVOID*)&ppf)))
		{
			WCHAR wpath[MAX_PATH];
			
			MultiByteToWideChar(CP_ACP, 0, path, -1, wpath, MAX_PATH);
			
			if (SUCCEEDED(ppf->Load(wpath, STGM_READ)))
			{
				/* Resolve the link */
				if (SUCCEEDED(psl->Resolve(NULL, SLR_ANY_MATCH|SLR_NO_UI|SLR_NOSEARCH)))
				{
					strcpy(filepath, path);
					
					if (SUCCEEDED(psl->GetPath(filepath, MAX_PATH, &fd, SLGP_UNCPRIORITY)))
					{
						OutputDebugString(fd.cFileName);
						
						strcpy(out, filepath);
						// FIX: Release the objects. Taken from SA.
#ifdef FIX_BUGS
						ppf->Release();
						psl->Release();
#endif
						return TRUE;
					}
				}
			}
			
			ppf->Release();
		}
		psl->Release();
	}
	
	return FALSE;
}

static void
_FindMP3s(void)
{
	tMP3Entry *pList;
	bool8 bShortcut;	
	bool8 bInitFirstEntry;	
	HANDLE hFind;
	char path[MAX_PATH];
	char filepath[MAX_PATH*2];
	S32 total_ms;
	WIN32_FIND_DATA fd;
	
	
	if ( GetCurrentDirectory(MAX_PATH, _mp3DirectoryPath) == 0 )
	{
		GetLastError();
		return;
	}
	
	OutputDebugString("Finding MP3s...");
	strcpy(path, _mp3DirectoryPath);
	strcat(path, "\\MP3\\");
	
	strcpy(_mp3DirectoryPath, path);
	OutputDebugString(_mp3DirectoryPath);
	
	strcat(path, "*");
	
	hFind = FindFirstFile(path, &fd);
	
	if ( hFind == INVALID_HANDLE_VALUE ) 
	{
		GetLastError();
		return;
	}
	
	strcpy(filepath, _mp3DirectoryPath);
	strcat(filepath, fd.cFileName);
	
	int32 filepathlen = strlen(filepath);
	
	if ( filepathlen <= 0)
	{
		FindClose(hFind);
		return;
	}
	
	FILE *f = fopen("MP3\\MP3Report.txt", "w");
	
	if ( f )
	{
		fprintf(f, "MP3 Report File\n\n");
		fprintf(f, "\"%s\"", fd.cFileName);
	}
	

	if ( filepathlen > 4 )
	{
		if ( !strcmp(&filepath[filepathlen - 4], ".lnk") )
		{
			if ( _ResolveLink(filepath, filepath) )
			{
				OutputDebugString("Resolving Link");
				OutputDebugString(filepath);
				
				if ( f ) fprintf(f, " - shortcut to \"%s\"", filepath);
			}
			else
			{
				if ( f ) fprintf(f, " - couldn't resolve shortcut");
			}
			
			bShortcut = TRUE;
		}
		else
			bShortcut = FALSE;
	}
	
	mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
	if ( mp3Stream[0] )
	{
		AIL_stream_ms_position(mp3Stream[0], &total_ms, NULL);
		
		AIL_close_stream(mp3Stream[0]);
		mp3Stream[0] = NULL;
		
		OutputDebugString(fd.cFileName);
		
		_pMP3List = new tMP3Entry;
		
		if ( _pMP3List == NULL )
		{
			FindClose(hFind);
			
			if ( f )
				fclose(f);
			
			return;
		}
		
		nNumMP3s = 1;
		
		strcpy(_pMP3List->aFilename, fd.cFileName);
		
		_pMP3List->nTrackLength = total_ms;
		
		_pMP3List->pNext = NULL;
		
		pList = _pMP3List;
		
		if ( bShortcut )
		{
			_pMP3List->pLinkPath = new char[MAX_PATH*2];
			strcpy(_pMP3List->pLinkPath, filepath);
		}
		else
		{
			_pMP3List->pLinkPath = NULL;
		}
		
		if ( f ) fprintf(f, " - OK\n");
		
		bInitFirstEntry = FALSE;
	}
	else
	{
		strcat(filepath, " - NOT A VALID MP3");
		
		OutputDebugString(filepath);

		if ( f ) fprintf(f, " - not an MP3 or supported MP3 type\n");
		
		bInitFirstEntry = TRUE;
	}
	
	while ( TRUE )
	{
		if ( !FindNextFile(hFind, &fd) )
			break;
		
		if ( bInitFirstEntry )
		{
			strcpy(filepath, _mp3DirectoryPath);
			strcat(filepath, fd.cFileName);
			
			int32 filepathlen = strlen(filepath);
			
			if ( f ) fprintf(f, "\"%s\"", fd.cFileName);
			
			if ( filepathlen > 0 )
			{
				if ( filepathlen > 4 )
				{
					if ( !strcmp(&filepath[filepathlen - 4], ".lnk") )
					{
						if ( _ResolveLink(filepath, filepath) )
						{
							OutputDebugString("Resolving Link");
							OutputDebugString(filepath);
							
							if ( f ) fprintf(f, " - shortcut to \"%s\"", filepath);
						}
						else
						{
							if ( f ) fprintf(f, " - couldn't resolve shortcut");
						}
						
						bShortcut = TRUE;
					}
					else
					{
						bShortcut = FALSE;
						
						if ( filepathlen > MAX_PATH )
						{
							if ( f ) fprintf(f, " - Filename and path too long - %s - IGNORED)\n", filepath);
							
							continue;
						}
					}
				}
				
				mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
				if ( mp3Stream[0] )
				{
					AIL_stream_ms_position(mp3Stream[0], &total_ms, NULL);
					
					AIL_close_stream(mp3Stream[0]);
					mp3Stream[0] = NULL;
					
					OutputDebugString(fd.cFileName);
					
					_pMP3List = new tMP3Entry;
					
					if ( _pMP3List  == NULL)
						break;
					
					nNumMP3s = 1;
					
					strcpy(_pMP3List->aFilename, fd.cFileName);
					
					_pMP3List->nTrackLength = total_ms;
					_pMP3List->pNext = NULL;
					
					if ( bShortcut )
					{
						_pMP3List->pLinkPath = new char [MAX_PATH*2];
						strcpy(_pMP3List->pLinkPath, filepath);
					}
					else
					{
						_pMP3List->pLinkPath = NULL;
					}
					
					pList = _pMP3List;
					
					if ( f ) fprintf(f, " - OK\n");
					
					bInitFirstEntry = FALSE;
				}
				else
				{
					strcat(filepath, " - NOT A VALID MP3");
					OutputDebugString(filepath);
					
					if ( f ) fprintf(f, " - not an MP3 or supported MP3 type\n");
				}
			}
		}
		else
		{
			strcpy(filepath, _mp3DirectoryPath);
			strcat(filepath, fd.cFileName);
			
			int32 filepathlen = strlen(filepath);
			
			if ( filepathlen > 0 )
			{
				if ( f ) fprintf(f, "\"%s\"", fd.cFileName);
			
				if ( filepathlen > 4 )
				{
					if ( !strcmp(&filepath[filepathlen - 4], ".lnk") )
					{
						if ( _ResolveLink(filepath, filepath) )
						{
							OutputDebugString("Resolving Link");
							OutputDebugString(filepath);
							
							if ( f ) fprintf(f, " - shortcut to \"%s\"", filepath);
						}
						else
						{
							if ( f ) fprintf(f, " - couldn't resolve shortcut");
						}
						
						bShortcut = TRUE;
					}
					else
					{
						bShortcut = FALSE;
					}
				}
				
				mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
				if ( mp3Stream[0] )
				{
					AIL_stream_ms_position(mp3Stream[0], &total_ms, NULL);
					
					AIL_close_stream(mp3Stream[0]);
					mp3Stream[0] = NULL;
					
					pList->pNext = new tMP3Entry;
					
					tMP3Entry *e = pList->pNext;
					
					if ( e == NULL )
						break;
					
					pList = pList->pNext;
					
					strcpy(e->aFilename, fd.cFileName);
					e->nTrackLength = total_ms;
					e->pNext = NULL;
					
					if ( bShortcut )
					{
						e->pLinkPath = new char [MAX_PATH*2];
						strcpy(e->pLinkPath, filepath);
					}
					else
					{
						e->pLinkPath = NULL;
					}
					
					nNumMP3s++;
					
					OutputDebugString(fd.cFileName);
					
					if ( f ) fprintf(f, " - OK\n");
				}
				else
				{
					strcat(filepath, " - NOT A VALID MP3");
					OutputDebugString(filepath);
					
					if ( f ) fprintf(f, " - not an MP3 or supported MP3 type\n");
				}
			}
		}
	}
	
	if ( f )
	{
		fprintf(f, "\nTOTAL SUPPORTED MP3s: %d\n", nNumMP3s);
		fclose(f);
	}
	
	FindClose(hFind);
}

static void
_DeleteMP3Entries(void)
{
	tMP3Entry *e = _pMP3List;

	while ( e != NULL )
	{
		tMP3Entry *next = e->pNext;
		
		if ( next == NULL )
			next = NULL;
		
		if ( e->pLinkPath != NULL )
		{
#ifndef FIX_BUGS
			delete   e->pLinkPath; // BUG: should be delete []
#else
			delete[] e->pLinkPath;
#endif
			e->pLinkPath = NULL;
		}
		
		delete e;
		
		if ( next )
			e = next;
		else
			e = NULL;
		
		nNumMP3s--;
	}
	
	
	if ( nNumMP3s != 0 )
	{
		OutputDebugString("Not all MP3 entries were deleted");
		nNumMP3s = 0;
	}
	
	_pMP3List = NULL;
}

static tMP3Entry *
_GetMP3EntryByIndex(uint32 idx)
{
	uint32 n = ( idx < nNumMP3s ) ? idx : 0;
	
	if ( _pMP3List != NULL )
	{
		tMP3Entry *e = _pMP3List;
		
		for ( uint32 i = 0; i < n; i++ )
			e = e->pNext;
		
		return e;
			
	}
	
	return NULL;
}

static inline bool8
_GetMP3PosFromStreamPos(uint32 *pPosition, tMP3Entry **pEntry)
{
	_CurMP3Index = 0;
	
	for ( *pEntry = _pMP3List; *pEntry != NULL; *pEntry = (*pEntry)->pNext )
	{
		if (   *pPosition >= (*pEntry)->nTrackStreamPos
			&& *pPosition <  (*pEntry)->nTrackLength + (*pEntry)->nTrackStreamPos )
		{
			*pPosition -= (*pEntry)->nTrackStreamPos;
			_CurMP3Pos = *pPosition;
			
			return TRUE;
		}
		
		_CurMP3Index++;
	}
				
	*pPosition = 0;
	*pEntry = _pMP3List;
	_CurMP3Pos = 0;
	_CurMP3Index = 0;
	
	return FALSE;
}

bool8
cSampleManager::IsMP3RadioChannelAvailable(void)
{
	return nNumMP3s != 0;
}

void
cSampleManager::ReleaseDigitalHandle(void)
{
	if ( DIG )
	{
#ifdef EXTERNAL_3D_SOUND
		prevprovider = curprovider;
		release_existing();
		curprovider = -1;
#endif
		AIL_digital_handle_release(DIG);
	}
}

void
cSampleManager::ReacquireDigitalHandle(void)
{
	if ( DIG )
	{
		AIL_digital_handle_reacquire(DIG);
#ifdef EXTERNAL_3D_SOUND
		if ( prevprovider != -1 )
			set_new_provider(prevprovider);
#endif
	}
}

bool8
cSampleManager::Initialise(void)
{
	TRACE("start");
	
	if ( _bSampmanInitialised )
		return TRUE;

	{
		for ( int32 i = 0; i < TOTAL_AUDIO_SAMPLES; i++ )
		{
			m_aSamples[i].nOffset    = 0;
			m_aSamples[i].nSize      = 0;
			m_aSamples[i].nFrequency = 22050;
			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;
	}

#ifdef EXTERNAL_3D_SOUND
	// miles 
	TRACE("MILES");
	{
		curprovider = -1;
		prevprovider = -1;
		
		_usingMilesFast2D = FALSE;
		usingEAX=0;
		usingEAX3=0;
		
		_fEffectsLevel = 0.0f;
		
		_maxSamples = 0;
	
		opened_provider = NULL;
		DIG = NULL;
		
		for ( int32 i = 0; i < MAXCHANNELS; i++ )
			opened_samples[i] = NULL;
	}
#endif
	
	// banks
	TRACE("banks");
	{
		fpSampleDescHandle = NULL;
		fpSampleDataHandle = NULL;
		
		_nSampleDataEndOffset = 0;
		
		for ( int32 i = 0; i < MAX_SFX_BANKS; i++ )
		{
			bSampleBankLoaded[i]             = FALSE;
			nSampleBankDiscStartOffset[i]    = 0;
			nSampleBankSize[i]               = 0;
			nSampleBankMemoryStartAddress[i] = 0;
		}
	}
	
	// pedsfx
	TRACE("pedsfx");
	{
		for ( int32 i = 0; i < MAX_PEDSFX; i++ )
		{
			nPedSlotSfx[i]     = NO_SAMPLE;
			nPedSlotSfxAddr[i] = 0;
		}
		
		nCurrentPedSlot = 0;
	}
	
	// channel volume
	TRACE("vol");
	{
		for ( int32 i = 0; i < MAXCHANNELS+MAX2DCHANNELS; i++ )
			nChannelVolume[i] = 0;
	}
	
	TRACE("mss");
	{
		AIL_set_redist_directory( "mss" );
		
		AIL_startup();
		
		AIL_set_preference(DIG_MIXER_CHANNELS, MAX_DIGITAL_MIXER_CHANNELS);
		
		DIG = AIL_open_digital_driver(DIGITALRATE, DIGITALBITS, DIGITALCHANNELS, 0);
		if ( DIG == NULL )
		{
			OutputDebugString(AIL_last_error());
			Terminate();
			return FALSE;
		}

#ifdef EXTERNAL_3D_SOUND
		add_providers();
#endif
		
		if ( !InitialiseSampleBanks() )
		{
			Terminate();
			return FALSE;
		}
		
		nSampleBankMemoryStartAddress[SFX_BANK_0] = (int32)AIL_mem_alloc_lock(nSampleBankSize[SFX_BANK_0]);
		if ( !nSampleBankMemoryStartAddress[SFX_BANK_0] )
		{
			Terminate();
			return FALSE;
		}

		nSampleBankMemoryStartAddress[SFX_BANK_PED_COMMENTS] = (int32)AIL_mem_alloc_lock(PED_BLOCKSIZE*MAX_PEDSFX);
		
	}
	
#ifdef AUDIO_CACHE
	TRACE("cache");
	FILE *cacheFile = fopen("audio\\sound.cache", "rb");
	if (cacheFile) {
		fread(nStreamLength, sizeof(uint32), TOTAL_STREAMED_SOUNDS, cacheFile);
		fclose(cacheFile);
		m_bInitialised = TRUE;
	}else {
#endif
	TRACE("cdrom");
	
	S32 tatalms;
	char filepath[MAX_PATH];

	{
		m_bInitialised = FALSE;
		
		while (TRUE)
		{
			int32 drive = 'C';
			
			do
			{
				char latter[2];
				
				latter[0] = drive;
				latter[1] = '\0';
				
				strcpy(m_szCDRomRootPath, latter);
				strcat(m_szCDRomRootPath, ":\\");
				
				if ( GetDriveType(m_szCDRomRootPath) == DRIVE_CDROM )
				{
					FILE *f;
#ifdef PS2_AUDIO_PATHS
					strcpy(filepath, m_szCDRomRootPath);
					strcat(filepath, PS2StreamedNameTable[0]);
					f = fopen(filepath, "rb");

					if ( !f )
#endif
					{
						strcpy(filepath, m_szCDRomRootPath);
						strcat(filepath, StreamedNameTable[0]);
					
						f = fopen(filepath, "rb");
					}
					if ( f )
					{
						fclose(f);
						
						bool8 bFileNotFound = FALSE;

						for ( int32 i = 0; i < TOTAL_STREAMED_SOUNDS; i++ )
						{
#ifdef PS2_AUDIO_PATHS
							strcpy(filepath, m_szCDRomRootPath);
							strcat(filepath, PS2StreamedNameTable[i]);

							mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
							if ( !mp3Stream[0] )
#endif
							{
								strcpy(filepath, m_szCDRomRootPath);
								strcat(filepath, StreamedNameTable[i]);

								mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
							}

							if ( mp3Stream[0] )
							{
								AIL_stream_ms_position(mp3Stream[0], &tatalms, NULL);
								
								AIL_close_stream(mp3Stream[0]);
								mp3Stream[0] = NULL;
								
								nStreamLength[i] = tatalms;
							}
							else
							{
								bFileNotFound = TRUE;
								break;
							}
						}
						
						if ( !bFileNotFound )
						{
							m_bInitialised = TRUE;
							break;
						}
						else
						{
							m_bInitialised = FALSE;
							continue;
						}
					}
				}
				
			} while ( ++drive <= 'Z' );
					
			if ( !m_bInitialised )
			{
#if GTA_VERSION < GTA3_PC_STEAM && !defined(NO_CDCHECK)
				FrontEndMenuManager.WaitForUserCD();
				if ( FrontEndMenuManager.m_bQuitGameNoCD )
				{
					Terminate();
					return FALSE;
				}
				continue;
#else
				m_bInitialised = TRUE;
#endif
			}
			
			break;
		}
	}

#if GTA_VERSION >= GTA3_PC_11 || defined(NO_CDCHECK)
	// hddaudio
	/**
		Option for user to play audio files directly from hard disk.
		Copy the contents of the PLAY discs Audio directory into your installed Grand Theft Auto III Audio directory.
		Grand Theft Auto III still requires the presence of the PLAY disc when started.
		This may give better performance on some machines (though worse on others).
	**/
	TRACE("hddaudio 1.1 patch");
	{
		int32 streamLength[TOTAL_STREAMED_SOUNDS];
		
		bool8 bFileNotFound = FALSE;
		char rootpath[MAX_PATH];
		
		strcpy(_aHDDPath, m_szCDRomRootPath);
		rootpath[0] = '\0';
		
		FILE *f;

#ifdef PS2_AUDIO_PATHS
		f = fopen(PS2StreamedNameTable[0], "rb");
		if (!f)
#endif

			f = fopen(StreamedNameTable[0], "rb");
		
		if ( f )
		{
			fclose(f);
			
			for ( int32 i = 0; i < TOTAL_STREAMED_SOUNDS; i++ )
			{
#ifdef PS2_AUDIO_PATHS
				strcpy(filepath, rootpath);
				strcat(filepath, PS2StreamedNameTable[i]);

				mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
				if ( !mp3Stream[0] )
#endif
				{
					strcpy(filepath, rootpath);
					strcat(filepath, StreamedNameTable[i]);

					mp3Stream[0] = AIL_open_stream(DIG, filepath, 0);
				}

				if ( mp3Stream[0] )
				{
					AIL_stream_ms_position(mp3Stream[0], &tatalms, NULL);
					
					AIL_close_stream(mp3Stream[0]);
					mp3Stream[0] = NULL;
					
					streamLength[i] = tatalms;
				}
				else
				{
					bFileNotFound = TRUE;
					break;
				}
			}
								
		}
		else
			bFileNotFound = TRUE;
		
		if ( !bFileNotFound )
		{
			strcpy(m_szCDRomRootPath, rootpath);
			
			for ( int32 i = 0; i < TOTAL_STREAMED_SOUNDS; i++ )
				nStreamLength[i] = streamLength[i];
			
			_bUseHDDAudio = TRUE;
		}
		else
			_bUseHDDAudio = FALSE;
	}
#endif
#ifdef AUDIO_CACHE
	cacheFile = fopen("audio\\sound.cache", "wb");
	fwrite(nStreamLength, sizeof(uint32), TOTAL_STREAMED_SOUNDS, cacheFile);
	fclose(cacheFile);
	}
#endif

	TRACE("stream");
	{
		for ( int32 i = 0; i < MAX_STREAMS; i++ )
		{
			mp3Stream    [i] = NULL;
			nStreamPan   [i] = 63;
			nStreamVolume[i] = 100;
		}
	}
	
	for ( int32 i = 0; i < MAX2DCHANNELS; i++ )
	{
		opened_2dsamples[i] = AIL_allocate_sample_handle(DIG);
		if ( opened_2dsamples[i] )
		{
			AIL_init_sample(opened_2dsamples[i]);
			AIL_set_sample_type(opened_2dsamples[i], DIG_F_MONO_16, DIG_PCM_SIGN);
		}
	}
	
	TRACE("providerset");
	{
		_bSampmanInitialised = TRUE;

#ifdef EXTERNAL_3D_SOUND
		U32 n = 0;
		
		while ( n < m_nNumberOfProviders )
		{
			if ( !strcmp(providers[n].name, "Miles Fast 2D Positional Audio") )
			{
				set_new_provider(n);
				break;
			}
			n++;
		}
		
		if ( n == m_nNumberOfProviders )
		{
			Terminate();
			return FALSE;
		}
#endif
	}
	
	TRACE("bank");
	
	LoadSampleBank(SFX_BANK_0);
	
	// mp3
	TRACE("mp3");
	{
		nNumMP3s = 0;
		
		_pMP3List = NULL;
		
		_FindMP3s();
		
		if ( nNumMP3s != 0 )
		{
			nStreamLength[STREAMED_SOUND_RADIO_MP3_PLAYER] = 0;
			
			for ( tMP3Entry *e = _pMP3List; e != NULL; e = e->pNext )
			{
				e->nTrackStreamPos = nStreamLength[STREAMED_SOUND_RADIO_MP3_PLAYER];
				nStreamLength[STREAMED_SOUND_RADIO_MP3_PLAYER] += e->nTrackLength;
			}
			
			time_t t = time(NULL);
			tm *localtm;
			bool8 bUseRandomTable;
			
			if ( t == -1 )
				bUseRandomTable = TRUE;
			else
			{
				bUseRandomTable = FALSE;
				localtm = localtime(&t);
			}
			
			int32 randval;
			if ( bUseRandomTable )
				randval = AudioManager.m_anRandomTable[1];
			else
				randval = localtm->tm_sec * localtm->tm_min;
			
			_CurMP3Index = randval % nNumMP3s;
			
			tMP3Entry *randmp3 = _pMP3List;
			for ( int32 i = randval % nNumMP3s; i > 0; --i)
				randmp3 = randmp3->pNext;
			
			if ( bUseRandomTable )
				_CurMP3Pos = AudioManager.m_anRandomTable[0]     % randmp3->nTrackLength;
			else
			{
				if ( localtm->tm_sec > 0 )
				{
					int32 s = localtm->tm_sec;
					_CurMP3Pos = s*s*s*s*s*s*s*s                 % randmp3->nTrackLength;
				}
				else
					_CurMP3Pos = AudioManager.m_anRandomTable[0] % randmp3->nTrackLength;
			}
		}
		else
			_CurMP3Pos = 0;
		
		_bIsMp3Active = FALSE;
	}
	
	TRACE("end");
	
	return TRUE;
}

void
cSampleManager::Terminate(void)
{
	for ( int32 i = 0; i < MAX_STREAMS; i++ )
	{
		if ( mp3Stream[i] )
		{
			AIL_pause_stream(mp3Stream[i], 1);
			AIL_close_stream(mp3Stream[i]);
			mp3Stream[i] = NULL;
		}
	}
	
	for ( int32 i = 0; i < MAX2DCHANNELS; i++ )
	{
		if ( opened_2dsamples[i] )
		{
			AIL_release_sample_handle(opened_2dsamples[i]);
			opened_2dsamples[i] = NULL;
		}
	}

#ifdef EXTERNAL_3D_SOUND
	release_existing();
#endif
	
	_DeleteMP3Entries();
	
	if ( nSampleBankMemoryStartAddress[SFX_BANK_0] != 0 )
	{
		AIL_mem_free_lock((void *)nSampleBankMemoryStartAddress[SFX_BANK_0]);
		nSampleBankMemoryStartAddress[SFX_BANK_0] = 0;
	}

	if ( nSampleBankMemoryStartAddress[SFX_BANK_PED_COMMENTS] != 0 )
	{
		AIL_mem_free_lock((void *)nSampleBankMemoryStartAddress[SFX_BANK_PED_COMMENTS]);
		nSampleBankMemoryStartAddress[SFX_BANK_PED_COMMENTS] = 0;
	}
	
	if ( DIG )
	{
		AIL_close_digital_driver(DIG);
		DIG = NULL;
	}
	
	AIL_shutdown();
	
	_bSampmanInitialised = FALSE;
}

bool8
cSampleManager::CheckForAnAudioFileOnCD(void)
{
#if GTA_VERSION < GTA3_PC_STEAM && !defined(NO_CDCHECK)
	char filepath[MAX_PATH];
	FILE *f;
	
#ifdef PS2_AUDIO_PATHS
#if GTA_VERSION >= GTA3_PC_11
	if(_bUseHDDAudio)
		strcpy(filepath, _aHDDPath);
	else
		strcpy(filepath, m_szCDRomRootPath);
#else
	strcpy(filepath, m_szCDRomRootPath);
#endif // #if GTA_VERSION >= GTA3_PC_11

	strcat(filepath, PS2StreamedNameTable[AudioManager.m_anRandomTable[1] % TOTAL_STREAMED_SOUNDS]);

	f = fopen(filepath, "rb");
	if ( !f )
#endif // PS2_AUDIO_PATHS
	{
#if GTA_VERSION >= GTA3_PC_11
		if (_bUseHDDAudio)
			strcpy(filepath, _aHDDPath);
		else
			strcpy(filepath, m_szCDRomRootPath);
#else
		strcpy(filepath, m_szCDRomRootPath);
#endif // #if GTA_VERSION >= GTA3_PC_11

		strcat(filepath, StreamedNameTable[AudioManager.m_anRandomTable[1] % TOTAL_STREAMED_SOUNDS]);
	
		f = fopen(filepath, "rb");
	}
	if ( f )
	{
		fclose(f);

		return TRUE;
	}
	
	return FALSE;
	
#else
	return TRUE;
#endif // #if GTA_VERSION < GTA3_PC_STEAM && !defined(NO_CDCHECK)
}

char
cSampleManager::GetCDAudioDriveLetter(void)
{
#if GTA_VERSION >= GTA3_PC_11 || defined(NO_CDCHECK)
	if (_bUseHDDAudio)
	{
		if ( strlen(_aHDDPath) != 0 )
			return _aHDDPath[0];
		else
			return '\0';
	}
	else
	{
		if ( strlen(m_szCDRomRootPath) != 0 )
			return m_szCDRomRootPath[0];
		else
			return '\0';
	}
#else
	if ( strlen(m_szCDRomRootPath) != 0 )
		return m_szCDRomRootPath[0];
	else
		return '\0';
#endif
}

void
cSampleManager::UpdateEffectsVolume(void) //[Y], cSampleManager::UpdateSoundBuffers ?
{
	if ( _bSampmanInitialised )
	{
		for ( int32 i = 0; i < MAXCHANNELS+MAX2DCHANNELS; i++ )
		{
#ifdef EXTERNAL_3D_SOUND
			if ( i < MAXCHANNELS )
			{
				if ( opened_samples[i] && GetChannelUsedFlag(i) )
				{
					if ( nChannelVolume[i] )
					{
						AIL_set_3D_sample_volume(opened_samples[i],
								m_nEffectsFadeVolume * nChannelVolume[i] * m_nEffectsVolume >> 14);
					}
				}
			}
			else
#endif
			{
				if ( opened_2dsamples[i - MAXCHANNELS] )
				{
					if ( GetChannelUsedFlag(i - MAXCHANNELS) )
					{
						if ( nChannelVolume[i - MAXCHANNELS] )
						{
							AIL_set_sample_volume(opened_2dsamples[i - MAXCHANNELS],
									m_nEffectsFadeVolume * nChannelVolume[i - MAXCHANNELS] * 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(bool8 nMode)
{
	m_nMonoMode = nMode;
}

bool8
cSampleManager::LoadSampleBank(uint8 nBank)
{
	if ( CTimer::GetIsCodePaused() )
		return FALSE;
	
	if ( MusicManager.IsInitialised()
		&& MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE
		&& nBank != SFX_BANK_0 )
	{
		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)
{
	bSampleBankLoaded[nBank] = FALSE;
}

bool8
cSampleManager::IsSampleBankLoaded(uint8 nBank)
{
	return bSampleBankLoaded[nBank];
}

bool8
cSampleManager::IsPedCommentLoaded(uint32 nComment)
{
	int8 slot;

	for ( int32 i = 0; i < _TODOCONST(3); i++ )
	{
		slot = nCurrentPedSlot - i - 1;
#ifdef FIX_BUGS
		if (slot < 0)
			slot += ARRAY_SIZE(nPedSlotSfx);
#endif
		if ( nComment == nPedSlotSfx[slot] )
			return TRUE;
	}
	
	return FALSE;
}

int32
cSampleManager::_GetPedCommentSlot(uint32 nComment)
{
	int8 slot;

	for ( int32 i = 0; i < _TODOCONST(3); i++ )
	{
		slot = nCurrentPedSlot - i - 1;
#ifdef FIX_BUGS
		if (slot < 0)
			slot += ARRAY_SIZE(nPedSlotSfx);
#endif
		if ( nComment == nPedSlotSfx[slot] )
			return slot;
	}
	
	return -1;
}

bool8
cSampleManager::LoadPedComment(uint32 nComment)
{
	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.GetNextTrack() == STREAMED_SOUND_GAME_COMPLETED )
					return FALSE;

				break;
			}
		}
	}
	
	if ( fseek(fpSampleDataHandle, m_aSamples[nComment].nOffset, SEEK_SET) != 0 )
		return FALSE;
	
	if ( fread((void *)(nSampleBankMemoryStartAddress[SFX_BANK_PED_COMMENTS] + PED_BLOCKSIZE*nCurrentPedSlot), 1, m_aSamples[nComment].nSize, fpSampleDataHandle) != m_aSamples[nComment].nSize )
		return FALSE;
	
	nPedSlotSfxAddr[nCurrentPedSlot] = nSampleBankMemoryStartAddress[SFX_BANK_PED_COMMENTS] + PED_BLOCKSIZE*nCurrentPedSlot;
	nPedSlotSfx    [nCurrentPedSlot] = nComment;
	
	if ( ++nCurrentPedSlot >= MAX_PEDSFX )
		nCurrentPedSlot = 0;
	
	return TRUE;
}

int32
cSampleManager::GetBankContainingSound(uint32 offset)
{
	if ( offset >= BankStartOffset[SFX_BANK_PED_COMMENTS] )
		return SFX_BANK_PED_COMMENTS;
	
	if ( offset >= BankStartOffset[SFX_BANK_0] )
		return SFX_BANK_0;
	
	return INVALID_SFX_BANK;
}

int32
cSampleManager::GetSampleBaseFrequency(uint32 nSample)
{
	return m_aSamples[nSample].nFrequency;
}

int32
cSampleManager::GetSampleLoopStartOffset(uint32 nSample)
{
	return m_aSamples[nSample].nLoopStart;
}

int32
cSampleManager::GetSampleLoopEndOffset(uint32 nSample)
{
	return m_aSamples[nSample].nLoopEnd;
}

uint32
cSampleManager::GetSampleLength(uint32 nSample)
{
	return m_aSamples[nSample].nSize >> 1;
}

bool8
cSampleManager::UpdateReverb(void)
{
#ifdef EXTERNAL_3D_SOUND
	if ( !usingEAX )
		return FALSE;
	
	if ( AudioManager.m_FrameCounter & 15 )
		return FALSE;
			
	float y = AudioManager.m_afReflectionsDistances[REFLECTION_TOP]  + AudioManager.m_afReflectionsDistances[REFLECTION_BOTTOM];
	float x = AudioManager.m_afReflectionsDistances[REFLECTION_LEFT] + AudioManager.m_afReflectionsDistances[REFLECTION_RIGHT];
	float z = AudioManager.m_afReflectionsDistances[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);

	float fRatio;
	
	if ( normy == 0.0f )
	{
		if ( normx == 0.0f )
		{
			if ( normz == 0.0f )
				fRatio = 0.3f;
			else
				fRatio = 0.5f;
		}
		else
		{
			fRatio = 0.3f;
		}
	}
	else
	{
		if ( normx == 0.0f )
		{
			if ( normz == 0.0f )
				fRatio = 0.3f;
			else
				fRatio = 0.5f;
		}
		else
		{
			if ( normz == 0.0f )
				fRatio = 0.3f;
			else
				fRatio = (normy+normx+normz) / 3.0f;
		}
	}
	
	fRatio = Clamp(fRatio, usingEAX3==1 ? 0.0f : 0.30f, 1.0f);
	
	if ( fRatio == _fPrevEaxRatioDestination )
		return FALSE;
	
	if ( usingEAX3 )
	{
		if ( EAX3ListenerInterpolate(&StartEAX3, &FinishEAX3, fRatio, &EAX3Params, false) )
		{
			AIL_set_3D_provider_preference(opened_provider, "EAX all parameters", &EAX3Params);
			_fEffectsLevel = 1.0f - fRatio * 0.5f;
		}
	}
	else
	{
		if ( _usingMilesFast2D )
			_fEffectsLevel = (1.0f - fRatio) * 0.4f;
		else
			_fEffectsLevel = (1.0f - fRatio) * 0.7f;
	}

	_fPrevEaxRatioDestination = fRatio;
	
	return TRUE;
#endif
	return FALSE;
}

void
cSampleManager::SetChannelReverbFlag(uint32 nChannel, bool8 nReverbFlag)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;
	
	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}
	
	if ( usingEAX )
	{
		if ( nReverbFlag != FALSE )
		{
			if ( !b2d )
				AIL_set_3D_sample_effects_level(opened_samples[nChannel], _fEffectsLevel);
		}
		else
		{
			if ( !b2d )
				AIL_set_3D_sample_effects_level(opened_samples[nChannel], 0.0f);
		}
	}
#endif
}

bool8
cSampleManager::InitialiseChannel(uint32 nChannel, uint32 nSfx, uint8 nBank)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}
#endif
	
	int32 addr;
	
	if ( nSfx < SAMPLEBANK_MAX )
	{
		if ( !IsSampleBankLoaded(nBank) )
			return FALSE;
		
		addr = nSampleBankMemoryStartAddress[nBank] + m_aSamples[nSfx].nOffset - m_aSamples[BankStartOffset[nBank]].nOffset;
	}
	else
	{	
		if ( !IsPedCommentLoaded(nSfx) )
			return FALSE;
		
		int32 slot = _GetPedCommentSlot(nSfx);
		
		addr = nPedSlotSfxAddr[slot];
	}

#ifdef EXTERNAL_3D_SOUND
	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
		{
			AIL_set_sample_address(opened_2dsamples[nChannel - MAXCHANNELS], (void *)addr, m_aSamples[nSfx].nSize);
			return TRUE;
		}
		else
			return FALSE;
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		AILSOUNDINFO info;
		
		info.format   = WAVE_FORMAT_PCM;
		info.data_ptr = (void *)addr;
		info.channels = 1;
		info.data_len = m_aSamples[nSfx].nSize;
		info.rate     = m_aSamples[nSfx].nFrequency;
		info.bits     = 16;
	
		if ( AIL_set_3D_sample_info(opened_samples[nChannel], &info) == 0 )
		{
			OutputDebugString(AIL_last_error());
			return FALSE;
		}
		
		return TRUE;
	}
#endif
}

#ifdef EXTERNAL_3D_SOUND
void
cSampleManager::SetChannelEmittingVolume(uint32 nChannel, uint32 nVolume)
{
	uint32 vol = nVolume;
	if ( vol > MAX_VOLUME ) vol = MAX_VOLUME;
	
	nChannelVolume[nChannel] = vol;
	
	// increase the volume for JB.MP3 and S4_BDBD.MP3
	if (   MusicManager.GetMusicMode()    == MUSICMODE_CUTSCENE
		&& MusicManager.GetNextTrack() != STREAMED_SOUND_NEWS_INTRO
		&& MusicManager.GetNextTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD )
	{
		nChannelVolume[nChannel] >>= 2;
	}

	if ( opened_samples[nChannel] )
		AIL_set_3D_sample_volume(opened_samples[nChannel], m_nEffectsFadeVolume*nChannelVolume[nChannel]*m_nEffectsVolume >> 14);

}

void
cSampleManager::SetChannel3DPosition(uint32 nChannel, float fX, float fY, float fZ)
{
	if ( opened_samples[nChannel] )
		AIL_set_3D_position(opened_samples[nChannel], -fX, fY, fZ);
}

void
cSampleManager::SetChannel3DDistances(uint32 nChannel, float fMax, float fMin)
{
	if ( opened_samples[nChannel] )
		AIL_set_3D_sample_distances(opened_samples[nChannel], fMax, fMin);
}
#endif

void
cSampleManager::SetChannelVolume(uint32 nChannel, uint32 nVolume)
{
	uint32 vol = nVolume;
	if ( vol > MAX_VOLUME ) vol = MAX_VOLUME;

#ifdef EXTERNAL_3D_SOUND
	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
#endif
			nChannelVolume[nChannel] = vol;
			
			// increase the volume for JB.MP3 and S4_BDBD.MP3
			if (   MusicManager.GetMusicMode()    == MUSICMODE_CUTSCENE
				&& MusicManager.GetNextTrack() != STREAMED_SOUND_NEWS_INTRO
				&& MusicManager.GetNextTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD )
			{
				nChannelVolume[nChannel] >>= 2;
			}

			if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			{
				AIL_set_sample_volume(opened_2dsamples[nChannel - MAXCHANNELS],
						m_nEffectsFadeVolume*vol*m_nEffectsVolume >> 14);
			}

#ifdef EXTERNAL_3D_SOUND
			break;
		}
	}
#endif
}

void
cSampleManager::SetChannelPan(uint32 nChannel, uint32 nPan)
{
#ifdef EXTERNAL_3D_SOUND
	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
#endif
#if !defined(FIX_BUGS) && defined(EXTERNAL_3D_SOUND)
			if ( opened_samples[nChannel - MAXCHANNELS] ) // BUG
#else
			if ( opened_2dsamples[nChannel - MAXCHANNELS] )
#endif
				AIL_set_sample_pan(opened_2dsamples[nChannel - MAXCHANNELS], nPan);

#ifdef EXTERNAL_3D_SOUND
			break;
		}
	}
#endif
}

void
cSampleManager::SetChannelFrequency(uint32 nChannel, uint32 nFreq)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}

	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			AIL_set_sample_playback_rate(opened_2dsamples[nChannel - MAXCHANNELS], nFreq);
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		if ( opened_samples[nChannel] )
			AIL_set_3D_sample_playback_rate(opened_samples[nChannel], nFreq);
	}
#endif
}

void
cSampleManager::SetChannelLoopPoints(uint32 nChannel, uint32 nLoopStart, int32 nLoopEnd)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}
	
	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			AIL_set_sample_loop_block(opened_2dsamples[nChannel - MAXCHANNELS], nLoopStart, nLoopEnd);
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		if ( opened_samples[nChannel] )
			AIL_set_3D_sample_loop_block(opened_samples[nChannel], nLoopStart, nLoopEnd);
	}
#endif
}

void
cSampleManager::SetChannelLoopCount(uint32 nChannel, uint32 nLoopCount)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}
	
	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			AIL_set_sample_loop_count(opened_2dsamples[nChannel - MAXCHANNELS], nLoopCount);
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		if ( opened_samples[nChannel] )
			AIL_set_3D_sample_loop_count(opened_samples[nChannel], nLoopCount);
	}
#endif
}

bool8
cSampleManager::GetChannelUsedFlag(uint32 nChannel)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}
	
	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			return AIL_sample_status(opened_2dsamples[nChannel - MAXCHANNELS]) == SMP_PLAYING;
		else
			return FALSE;
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		if ( opened_samples[nChannel] )
			return AIL_3D_sample_status(opened_samples[nChannel]) == SMP_PLAYING;
		else
			return FALSE;
	}
#endif
	
}

void
cSampleManager::StartChannel(uint32 nChannel)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}

	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			AIL_start_sample(opened_2dsamples[nChannel - MAXCHANNELS]);
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		if ( opened_samples[nChannel] )
			AIL_start_3D_sample(opened_samples[nChannel]);
	}
#endif
}

void
cSampleManager::StopChannel(uint32 nChannel)
{
#ifdef EXTERNAL_3D_SOUND
	bool8 b2d = FALSE;

	switch ( nChannel )
	{
		case CHANNEL_POLICE_RADIO:
		{
			b2d = TRUE;
			break;
		}
	}
	
	if ( b2d )
	{
#endif
		if ( opened_2dsamples[nChannel - MAXCHANNELS] )
			AIL_end_sample(opened_2dsamples[nChannel - MAXCHANNELS]);
#ifdef EXTERNAL_3D_SOUND
	}
	else
	{
		if ( opened_samples[nChannel] )
		{
			if ( AIL_3D_sample_status(opened_samples[nChannel]) == SMP_PLAYING )
				AIL_end_3D_sample(opened_samples[nChannel]);
		}
	}
#endif
}

void
cSampleManager::PreloadStreamedFile(uint8 nFile, uint8 nStream)
{
	if ( m_bInitialised  )
	{
		if ( nFile < TOTAL_STREAMED_SOUNDS )
		{
			if ( mp3Stream[nStream] )
			{
				AIL_pause_stream(mp3Stream[nStream], 1);
				AIL_close_stream(mp3Stream[nStream]);
			}
			
			char filepath[MAX_PATH];
#ifdef PS2_AUDIO_PATHS
			strcpy(filepath, m_szCDRomRootPath);
			strcat(filepath, PS2StreamedNameTable[nFile]);

			mp3Stream[nStream] = AIL_open_stream(DIG, filepath, 0);
			if ( !mp3Stream[nStream] )
#endif
			{
				strcpy(filepath, m_szCDRomRootPath);
				strcat(filepath, StreamedNameTable[nFile]);

				mp3Stream[nStream] = AIL_open_stream(DIG, filepath, 0);
			}
	
			if ( mp3Stream[nStream] )
			{
				AIL_set_stream_loop_count(mp3Stream[nStream], 1);
				AIL_service_stream(mp3Stream[nStream], 1);
			}
			else
				OutputDebugString(AIL_last_error());
		}
	}
}

void
cSampleManager::PauseStream(bool8 nPauseFlag, uint8 nStream)
{
	if ( m_bInitialised )
	{
		if ( mp3Stream[nStream] )
			AIL_pause_stream(mp3Stream[nStream], nPauseFlag != FALSE);
	}
}

void
cSampleManager::StartPreloadedStreamedFile(uint8 nStream)
{
	if ( m_bInitialised )
	{
		if ( mp3Stream[nStream] )
			AIL_start_stream(mp3Stream[nStream]);
	}
}

bool8
cSampleManager::StartStreamedFile(uint8 nFile, uint32 nPos, uint8 nStream)
{
	int i = 0;
	uint32 position = nPos;
	char filename[MAX_PATH];
	
	if ( !m_bInitialised || nFile >= TOTAL_STREAMED_SOUNDS )
		return FALSE;

	if ( mp3Stream[nStream] )
	{
		AIL_pause_stream(mp3Stream[nStream], 1);
		AIL_close_stream(mp3Stream[nStream]);
	}
	if ( nFile == STREAMED_SOUND_RADIO_MP3_PLAYER )
	{
		do
		{
			// Just switched to MP3 player
			if ( !_bIsMp3Active && i == 0 )
			{
				if ( nPos > nStreamLength[STREAMED_SOUND_RADIO_MP3_PLAYER] )
					position = 0;
				tMP3Entry *e = _pMP3List;

				// Try to continue from previous song, if already started
				if(!_GetMP3PosFromStreamPos(&position, &e) && !e) {
					nFile = 0;
#ifdef PS2_AUDIO_PATHS
					strcpy(filename, m_szCDRomRootPath);
					strcat(filename, PS2StreamedNameTable[nFile]);

					mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
					if ( !mp3Stream[nStream] )
#endif
					{
						strcpy(filename, m_szCDRomRootPath);
						strcat(filename, StreamedNameTable[nFile]);
					
						mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
					}
					if ( mp3Stream[nStream] )
					{
						AIL_set_stream_loop_count(mp3Stream[nStream], 1);
						AIL_set_stream_ms_position(mp3Stream[nStream], position);
						AIL_pause_stream(mp3Stream[nStream], 0);
						return TRUE;
					}
					return FALSE;

				} else {
					if ( e->pLinkPath != NULL )
						mp3Stream[nStream] = AIL_open_stream(DIG, e->pLinkPath, 0);
					else {
						strcpy(filename, _mp3DirectoryPath);
						strcat(filename, e->aFilename);
					
						mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
					}
										
					if ( mp3Stream[nStream] ) {
						AIL_set_stream_loop_count(mp3Stream[nStream], 1);
						AIL_set_stream_ms_position(mp3Stream[nStream], position);
						AIL_pause_stream(mp3Stream[nStream], 0);
						
						_bIsMp3Active = TRUE;
				
						return TRUE;
					}
					// fall through, start playing from another song
				}
			} else {
				if(++_CurMP3Index >= nNumMP3s) _CurMP3Index = 0;

				_CurMP3Pos = 0;

				tMP3Entry *mp3 = _GetMP3EntryByIndex(_CurMP3Index);
				if ( !mp3 )
				{
					mp3 = _pMP3List;
					if ( !_pMP3List )
					{
						nFile = 0;
						_bIsMp3Active = 0;
#ifdef PS2_AUDIO_PATHS
						strcpy(filename, m_szCDRomRootPath);
						strcat(filename, PS2StreamedNameTable[nFile]);

						mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
						if ( !mp3Stream[nStream] )
#endif
						{
							strcpy(filename, m_szCDRomRootPath);
							strcat(filename, StreamedNameTable[nFile]);
						
							mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
						}
						if ( mp3Stream[nStream] )
						{
							AIL_set_stream_loop_count(mp3Stream[nStream], 1);
							AIL_set_stream_ms_position(mp3Stream[nStream], position);
							AIL_pause_stream(mp3Stream[nStream], 0);
							return TRUE;
						}
						return FALSE;
					}
				}
				if(mp3->pLinkPath != NULL)
					mp3Stream[nStream] = AIL_open_stream(DIG, mp3->pLinkPath, 0);
				else {
					strcpy(filename, _mp3DirectoryPath);
					strcat(filename, mp3->aFilename);

					mp3Stream[nStream] =
					    AIL_open_stream(DIG, filename, 0);
				}

				if(mp3Stream[nStream]) {
					AIL_set_stream_loop_count(mp3Stream[nStream], 1);
					AIL_set_stream_ms_position(mp3Stream[nStream], 0);
					AIL_pause_stream(mp3Stream[nStream], 0);
#ifdef FIX_BUGS
					_bIsMp3Active = TRUE;
#endif
					return TRUE;
				}

			}
			_bIsMp3Active = 0;
		}
		while ( ++i < nNumMP3s );
		position = 0;
		nFile = 0;
	}
#ifdef PS2_AUDIO_PATHS
	strcpy(filename, m_szCDRomRootPath);
	strcat(filename, PS2StreamedNameTable[nFile]);

	mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
	if ( !mp3Stream[nStream] )
#endif
	{
		strcpy(filename, m_szCDRomRootPath);
		strcat(filename, StreamedNameTable[nFile]);
	
		mp3Stream[nStream] = AIL_open_stream(DIG, filename, 0);
	}
	if ( mp3Stream[nStream] )
	{
		AIL_set_stream_loop_count(mp3Stream[nStream], 1);
		AIL_set_stream_ms_position(mp3Stream[nStream], position);
		AIL_pause_stream(mp3Stream[nStream], 0);
		return TRUE;
	}
	return FALSE;
}

void
cSampleManager::StopStreamedFile(uint8 nStream)
{
	if ( m_bInitialised )
	{
		if ( mp3Stream[nStream] )
		{
			AIL_pause_stream(mp3Stream[nStream], 1);
			
			AIL_close_stream(mp3Stream[nStream]);
			mp3Stream[nStream] = NULL;
			
			if ( nStream == 0 )
				_bIsMp3Active = FALSE;
		}
	}
}

int32
cSampleManager::GetStreamedFilePosition(uint8 nStream)
{
	S32 currentms;
	
	if ( m_bInitialised )
	{
		if ( mp3Stream[nStream] )
		{
			if ( _bIsMp3Active )
			{
				tMP3Entry *mp3 = _GetMP3EntryByIndex(_CurMP3Index);
				
				if ( mp3 != NULL )
				{
					AIL_stream_ms_position(mp3Stream[nStream], NULL, &currentms);
					return currentms + mp3->nTrackStreamPos;
				}
				else
					return 0;
			}
			else
			{
				AIL_stream_ms_position(mp3Stream[nStream], NULL, &currentms);
				return currentms;
			}
		}
	}
	
	return 0;
}

void
cSampleManager::SetStreamedVolumeAndPan(uint8 nVolume, uint8 nPan, bool8 nEffectFlag, uint8 nStream)
{
	uint8 vol = nVolume;
	
	if ( m_bInitialised )
	{
		if ( vol > MAX_VOLUME ) vol = MAX_VOLUME;
		if ( vol > MAX_VOLUME ) vol = MAX_VOLUME;
		
		nStreamVolume[nStream] = vol;
		nStreamPan[nStream]    = nPan;
		
		if ( mp3Stream[nStream] )
		{
			if ( nEffectFlag )
				AIL_set_stream_volume(mp3Stream[nStream], m_nEffectsFadeVolume*vol*m_nEffectsVolume >> 14);
			else
				AIL_set_stream_volume(mp3Stream[nStream], m_nMusicFadeVolume*vol*m_nMusicVolume >> 14);
			
			AIL_set_stream_pan(mp3Stream[nStream], nPan);
		}
	}
}

int32
cSampleManager::GetStreamedFileLength(uint8 nStream)
{
	if ( m_bInitialised )
		return nStreamLength[nStream];
	
	return 0;
}

bool8
cSampleManager::IsStreamPlaying(uint8 nStream)
{
	if ( m_bInitialised )
	{
		if ( mp3Stream[nStream] )
		{
			if ( AIL_stream_status(mp3Stream[nStream]) == SMP_PLAYING )
				return TRUE;
			else
				return FALSE;
		}
	}
	
	return FALSE;
}

bool8
cSampleManager::InitialiseSampleBanks(void)
{
	int32 nBank = SFX_BANK_0;
	
	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);
	_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_SFX_BANKS) break;
#endif
		if ( BankStartOffset[nBank] == BankStartOffset[SFX_BANK_0] + i )
		{
			nSampleBankDiscStartOffset[nBank] = m_aSamples[i].nOffset;
			nBank++;
		}
	}

	nSampleBankSize[SFX_BANK_0] = nSampleBankDiscStartOffset[SFX_BANK_PED_COMMENTS] - nSampleBankDiscStartOffset[SFX_BANK_0];
	nSampleBankSize[SFX_BANK_PED_COMMENTS] = _nSampleDataEndOffset                       - nSampleBankDiscStartOffset[SFX_BANK_PED_COMMENTS];
	
	return TRUE;
}

#endif