QALC_IMP
#undef QAL
#define QAL(type, func) type q##func
QAL_IMP
#undef QAL
void QAL_Shutdown(void)
{
if (context) {
qalcMakeContextCurrent(NULL);
qalcDestroyContext(context);
context = NULL;
}
if (device) {
qalcCloseDevice(device);
device = NULL;
}
#define QAL(type, func) q##func = NULL
QALC_IMP
QAL_IMP
#undef QAL
if (handle) {
Sys_FreeLibrary(handle);
handle = NULL;
}
if (al_driver)
al_driver->flags &= ~CVAR_SOUND;
if (al_device)
al_device->flags &= ~CVAR_SOUND;
}
/*
==============
Eng_KillEngine
Load failure on engine
==============
*/
void Eng_KillEngine( long *phMod )
{
Sys_FreeLibrary( ghMod );
ghMod = *phMod = 0;
Eng_LoadStubs();
}
/*
==============
Eng_Unload
Free engine .dll and reset interfaces
==============
*/
void Eng_Unload(void)
{
if ( ghMod )
{
Sys_FreeLibrary(ghMod);
ghMod = 0;
}
Eng_LoadStubs();
gDLLState = 0;
gDLLStateInfo = 0;
}
//=======================================================================
// DLL'S MANAGER SYSTEM
//=======================================================================
qboolean Sys_LoadLibrary( dll_info_t *dll )
{
const dllfunc_t *func;
string errorstring;
// check errors
if( !dll ) return false; // invalid desc
if( dll->link ) return true; // already loaded
if( !dll->name || !*dll->name )
return false; // nothing to load
MsgDev( D_NOTE, "Sys_LoadLibrary: Loading %s", dll->name );
if( dll->fcts )
{
// lookup export table
for( func = dll->fcts; func && func->name != NULL; func++ )
*func->func = NULL;
}
if( !dll->link ) dll->link = LoadLibrary ( dll->name ); // environment pathes
// no DLL found
if( !dll->link )
{
Q_snprintf( errorstring, sizeof( errorstring ), "Sys_LoadLibrary: couldn't load %s\n", dll->name );
goto error;
}
// Get the function adresses
for( func = dll->fcts; func && func->name != NULL; func++ )
{
if( !( *func->func = Sys_GetProcAddress( dll, func->name )))
{
Q_snprintf( errorstring, sizeof( errorstring ), "Sys_LoadLibrary: %s missing or invalid function (%s)\n", dll->name, func->name );
goto error;
}
}
MsgDev( D_NOTE, " - ok\n" );
return true;
error:
MsgDev( D_NOTE, " - failed\n" );
Sys_FreeLibrary( dll ); // trying to free
if( dll->crash ) Sys_Error( errorstring );
else MsgDev( D_ERROR, errorstring );
return false;
}
/*
==================
SNDDMA_FreeSound
==================
*/
void SNDDMA_FreeSound( void )
{
if( pDS )
{
DS_DestroyBuffers();
pDS->lpVtbl->Release( pDS );
Sys_FreeLibrary( &dsound_dll );
}
pDS = NULL;
pDSBuf = NULL;
pDSPBuf = NULL;
lpData = NULL;
lpWaveHdr = NULL;
}
void QAL_Shutdown (void)
{
if (context)
{
qalcMakeContextCurrent (NULL);
qalcDestroyContext (context);
context = NULL;
}
if (device)
{
qalcCloseDevice (device);
device = NULL;
}
#define QAL(type,func) q##func = NULL;
QALC_IMP
QAL_IMP
#undef QAL
Sys_FreeLibrary (handle);
handle = NULL;
}
GameModule::~GameModule() {
Sys_FreeLibrary(ptModuleHandle);
}
/*
* Shuts OpenAL down, frees all context and
* device handles and unloads the shared lib.
*/
void
QAL_Shutdown()
{
if (context)
{
qalcMakeContextCurrent( NULL );
qalcDestroyContext( context );
context = NULL;
}
if (device)
{
qalcCloseDevice( device );
device = NULL;
}
/* Disconnect function pointers used
for OpenAL management calls */
qalcCreateContext = NULL;
qalcMakeContextCurrent = NULL;
qalcProcessContext = NULL;
qalcSuspendContext = NULL;
qalcDestroyContext = NULL;
qalcGetCurrentContext = NULL;
qalcGetContextsDevice = NULL;
qalcOpenDevice = NULL;
qalcCloseDevice = NULL;
qalcGetError = NULL;
qalcIsExtensionPresent = NULL;
qalcGetProcAddress = NULL;
qalcGetEnumValue = NULL;
qalcGetString = NULL;
qalcGetIntegerv = NULL;
qalcCaptureOpenDevice = NULL;
qalcCaptureCloseDevice = NULL;
qalcCaptureStart = NULL;
qalcCaptureStop = NULL;
qalcCaptureSamples = NULL;
/* Disconnect OpenAL
* function pointers */
qalEnable = NULL;
qalDisable = NULL;
qalIsEnabled = NULL;
qalGetString = NULL;
qalGetBooleanv = NULL;
qalGetIntegerv = NULL;
qalGetFloatv = NULL;
qalGetDoublev = NULL;
qalGetBoolean = NULL;
qalGetInteger = NULL;
qalGetFloat = NULL;
qalGetDouble = NULL;
qalGetError = NULL;
qalIsExtensionPresent = NULL;
qalGetProcAddress = NULL;
qalGetEnumValue = NULL;
qalListenerf = NULL;
qalListener3f = NULL;
qalListenerfv = NULL;
qalListeneri = NULL;
qalListener3i = NULL;
qalListeneriv = NULL;
qalGetListenerf = NULL;
qalGetListener3f = NULL;
qalGetListenerfv = NULL;
qalGetListeneri = NULL;
qalGetListener3i = NULL;
qalGetListeneriv = NULL;
qalGenSources = NULL;
qalDeleteSources = NULL;
qalIsSource = NULL;
qalSourcef = NULL;
qalSource3f = NULL;
qalSourcefv = NULL;
qalSourcei = NULL;
qalSource3i = NULL;
qalSourceiv = NULL;
qalGetSourcef = NULL;
qalGetSource3f = NULL;
qalGetSourcefv = NULL;
qalGetSourcei = NULL;
qalGetSource3i = NULL;
qalGetSourceiv = NULL;
qalSourcePlayv = NULL;
qalSourceStopv = NULL;
qalSourceRewindv = NULL;
qalSourcePausev = NULL;
qalSourcePlay = NULL;
qalSourceStop = NULL;
qalSourceRewind = NULL;
qalSourcePause = NULL;
qalSourceQueueBuffers = NULL;
qalSourceUnqueueBuffers = NULL;
qalGenBuffers = NULL;
qalDeleteBuffers = NULL;
qalIsBuffer = NULL;
qalBufferData = NULL;
qalBufferf = NULL;
qalBuffer3f = NULL;
qalBufferfv = NULL;
qalBufferi = NULL;
qalBuffer3i = NULL;
qalBufferiv = NULL;
qalGetBufferf = NULL;
qalGetBuffer3f = NULL;
qalGetBufferfv = NULL;
qalGetBufferi = NULL;
qalGetBuffer3i = NULL;
qalGetBufferiv = NULL;
qalDopplerFactor = NULL;
qalDopplerVelocity = NULL;
qalSpeedOfSound = NULL;
qalDistanceModel = NULL;
qalGenFilters = NULL;
qalFilteri = NULL;
qalFilterf = NULL;
qalDeleteFilters = NULL;
if (handle)
{
/* Unload the shared lib */
Sys_FreeLibrary(handle);
handle = NULL;
}
}
/*
==============
Eng_Load
Try to load the engine with specified command line, etc. etc. and the specified .dll
==============
*/
int Eng_Load( const char *cmdline, struct exefuncs_s *pef, int memory, void *pmembase, const char *psz, int iSubMode )
{
char szLastDLL[ 100 ];
long hMod = (long)NULL;
#if defined( _DEBUG )
char *p;
if ( psz && !stricmp( psz, "swds.dll" ) && CheckParm( "-force", &p ) && p )
{
psz = p;
}
#endif
// Are we loading a different engine?
if ( psz && ghMod && !strcmp( psz, szLastDLL ) )
{
return 1;
}
if ( ghMod )
{
Eng_KillEngine( &hMod );
}
if ( !psz )
{
hMod = 0;
Eng_LoadStubs();
}
else if ( !ghMod )
{
hMod = Sys_LoadLibrary( (char *)psz );
if ( !hMod )
{
return 0;
}
// Load function table from engine
if ( !Eng_LoadFunctions( hMod ) )
{
Sys_FreeLibrary( hMod );
Eng_LoadStubs();
return 0;
}
// Activate engine
Eng_SetState( DLL_ACTIVE );
}
Eng_SetSubState( iSubMode );
snprintf( szLastDLL, sizeof( szLastDLL ), "%s", psz );
ghMod = hMod;
if ( ghMod )
{
static char *szEmpty = "";
char *p = (char *)cmdline;
if ( !p )
{
p = szEmpty;
}
if ( !engineapi.Game_Init( p, (unsigned char *)pmembase, memory, pef, NULL, 1) )
{
Sys_FreeLibrary(ghMod);
ghMod = hMod = 0;
return 0;
}
if ( engineapi.SetStartupMode )
{
engineapi.SetStartupMode( 1 );
}
if ( engineapi.Host_Frame )
{
Eng_Frame( 1, 0.05 );
}
if ( engineapi.SetStartupMode )
{
engineapi.SetStartupMode( 0 );
}
}
return 1;
}
