/*
 * Return the sample buffer of this sound
 */
IBuffer*			CSimpleSound::getBuffer()
{
	if (_Buffer == 0)
	{
		// try to find the sample buffer in the sample bank.
		CAudioMixerUser *audioMixer = CAudioMixerUser::instance();
		_Buffer = audioMixer->getSampleBankManager()->get(_Buffername);
		audioMixer->getSoundBank()->registerBufferAssoc(this, _Buffer);
		_Registered = true;
	}
	return _Buffer;
}
bool				CSampleBank::unload()
{
	vector<IBuffer*> vec;
	TSampleTable::iterator it;

	if (!_Loaded)
	{
		nlwarning("Trying to unload an already unloaded bank : %s", CStringMapper::unmap(_Name).c_str ());
		return  true;
	}

	// need to wait end of load ?
	if (!_LoadingDone)
		return false;

	//nlinfo("Unloading sample bank %s", CStringMapper::unmap(_Name).c_str());

	for (it = _Samples.begin(); it != _Samples.end(); ++it)
	{
		IBuffer *buffer = it->second;
		if (buffer)
		{
			const NLMISC::TStringId & bufferName = buffer->getName();
			
			CAudioMixerUser *audioMixer = _SampleBankManager->m_AudioMixer;
			// Warn the mixer to stop any track playing this buffer.
			audioMixer->bufferUnloaded(buffer);

			// Warn the sound banks about this buffer.
			audioMixer->getSoundBank()->bufferUnloaded(bufferName);
			
			// delete
			it->second = NULL;
			delete buffer;
		}
	}

	_Loaded = false;

	_SampleBankManager->m_LoadedSize -= _ByteSize;
	_ByteSize = 0;

	return true;
}