RESULT
ParticleManager::SetEffect( IN HParticleEmitter hParticleEmitter, HEffect hEffect )
{
RESULT rval = S_OK;
ParticleEmitter* pParticleEmitter = GetObjectPointer( hParticleEmitter );
if (pParticleEmitter)
{
#ifdef DEBUG
string name;
EffectMan.GetName( hEffect, &name );
DEBUGMSG(ZONE_PARTICLES, "ParticleManager::SetEffect( %s, %s )",
pParticleEmitter->GetName().c_str(), name.c_str());
#endif
pParticleEmitter->SetEffect( hEffect );
}
else
{
RETAILMSG(ZONE_ERROR, "ERROR: ParticleManager::SetEffect( 0x%x, 0x%x ): object not found", (UINT32)hParticleEmitter, (UINT32)hEffect);
rval = E_INVALID_ARG;
}
Exit:
return rval;
}
RESULT
ParticleManager::Update( UINT64 elapsedMS )
{
RESULT rval = S_OK;
//
// TODO: if our update frequency is less than 60Hz, we should
// spread out the emitter updates, rather than updating ALL of them
// every fourth frame (for example).
//
static UINT64 lastUpdateTimeMS = 0;
if ((elapsedMS - lastUpdateTimeMS) < m_updateIntervalMS)
{
return S_OK;
}
lastUpdateTimeMS = elapsedMS;
// Release ParticleEmitters that were marked as done on previous frame.
ParticleEmitterListIterator ppParticleEmitter;
for (ppParticleEmitter = m_pendingReleaseParticleEmittersList.begin(); ppParticleEmitter != m_pendingReleaseParticleEmittersList.end(); ++ppParticleEmitter)
{
ParticleEmitter* pParticleEmitter = *ppParticleEmitter;
if (!pParticleEmitter)
continue;
DEBUGMSG(ZONE_PARTICLES, "Releasing ParticleEmitter [%s], refCount = %d", pParticleEmitter->GetName().c_str(), pParticleEmitter->GetRefCount());
//pParticleEmitter->Stop();
CHR(Release( pParticleEmitter ));
}
m_pendingReleaseParticleEmittersList.clear();
// Update every running ParticleEmitter.
for (ppParticleEmitter = m_runningParticleEmittersList.begin(); ppParticleEmitter != m_runningParticleEmittersList.end(); /*++ppParticleEmitter*/)
{
ParticleEmitter* pParticleEmitter = *ppParticleEmitter;
if (!pParticleEmitter)
{
ppParticleEmitter = m_runningParticleEmittersList.erase( ppParticleEmitter );
continue;
}
// if (Log::IsZoneEnabled(ZONE_PARTICLES | ZONE_VERBOSE))
// {
// char str[1024];
// sprintf(str, "PE: %s", pParticleEmitter->GetName().c_str());
// DebugRender.Text(str, Color::White(), 1.0f, 1.0f);
// }
if (FAILED(pParticleEmitter->Update( elapsedMS )))
{
pParticleEmitter->Stop();
//
// NOTE: if you erase a list member while iterating the list,
// be sure to properly increment the iterator as seen below.
//
ppParticleEmitter = m_runningParticleEmittersList.erase( ppParticleEmitter );
}
else
{
++ppParticleEmitter;
}
}
Exit:
return rval;
}
RESULT
ParticleManager::Init( IN const string& settingsFilename )
{
RETAILMSG(ZONE_PARTICLES, "ParticleManager::Init( %s )", settingsFilename.c_str());
RESULT rval = S_OK;
char path[MAX_PATH];
//
// Create a Settings object and load the file.
//
Settings mySettings;
if ( FAILED(mySettings.Read( settingsFilename )) )
{
RETAILMSG(ZONE_ERROR, "ERROR: ParticleManager::Init( %s ): failed to load settings file", settingsFilename.c_str() );
return E_UNEXPECTED;
}
//
// Create each ParticleEmitter.
//
UINT32 numParticleEmitters = mySettings.GetInt("/ParticleEmitters.NumParticleEmitters");
for (int i = 0; i < numParticleEmitters; ++i)
{
sprintf(path, "/ParticleEmitters/ParticleEmitter%d", i);
ParticleEmitter *pParticleEmitter = new ParticleEmitter();
CPR(pParticleEmitter);
string name = mySettings.GetString( string(path) + ".Name" );
string filename = mySettings.GetString( string(path) + ".Filename" );
bool deleteOnFinish = mySettings.GetBool ( string(path) + ".DeleteOnFinish", false );
pParticleEmitter->SetDeleteOnFinish( deleteOnFinish );
if ( FAILED(pParticleEmitter->InitFromFile( filename )))
{
RETAILMSG(ZONE_ERROR, "ERROR: ParticleManager::Init( %s ): failed to init ParticleEmitter from file %s", filename.c_str());
// Continue loading other ParticleEmitters rather than aborting.
continue;
}
RETAILMSG(ZONE_INFO, "ParticleEmitter[%4d]: \"%-32s\"", pParticleEmitter->GetID(), pParticleEmitter->GetName().c_str());
CHR(Add(name, pParticleEmitter));
}
Exit:
return rval;
}
