/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#include "hpl1/engine/resources/SoundEntityManager.h"

#include "hpl1/engine/resources/Resources.h"
#include "hpl1/engine/sound/Sound.h"
#include "hpl1/engine/sound/SoundChannel.h"
#include "hpl1/engine/sound/SoundEntityData.h"
#include "hpl1/engine/sound/SoundHandler.h"
#include "hpl1/engine/system/String.h"
#include "hpl1/engine/system/low_level_system.h"

namespace hpl {

//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

cSoundEntityManager::cSoundEntityManager(cSound *apSound, cResources *apResources)
	: iResourceManager(apResources->GetFileSearcher(), apResources->GetLowLevel(),
					   apResources->GetLowLevelSystem()) {
	mpSound = apSound;
	mpResources = apResources;
}

cSoundEntityManager::~cSoundEntityManager() {
	DestroyAll();

	Log(" Done with sound entities\n");
}

//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

void cSoundEntityManager::Preload(const tString &asFile) {
	cSoundEntityData *pData = CreateSoundEntity(asFile);
	if (pData == NULL) {
		Warning("Couldn't preload sound '%s'\n", asFile.c_str());
		return;
	}

	if (pData->GetMainSoundName() != "") {
		iSoundChannel *pChannel = mpSound->GetSoundHandler()->CreateChannel(pData->GetMainSoundName(), 0);
		if (pChannel)
			hplDelete(pChannel);
	}
	if (pData->GetStartSoundName() != "") {
		iSoundChannel *pChannel = mpSound->GetSoundHandler()->CreateChannel(pData->GetStartSoundName(), 0);
		if (pChannel)
			hplDelete(pChannel);
	}
	if (pData->GetStopSoundName() != "") {
		iSoundChannel *pChannel = mpSound->GetSoundHandler()->CreateChannel(pData->GetStopSoundName(), 0);
		if (pChannel)
			hplDelete(pChannel);
	}
}

//-----------------------------------------------------------------------

cSoundEntityData *cSoundEntityManager::CreateSoundEntity(const tString &asName) {
	tString sPath;
	cSoundEntityData *pSoundEntity;
	tString asNewName;

	BeginLoad(asName);

	asNewName = cString::SetFileExt(asName, "snt");

	pSoundEntity = static_cast<cSoundEntityData *>(this->FindLoadedResource(asNewName, sPath));

	if (pSoundEntity == NULL && sPath != "") {
		pSoundEntity = hplNew(cSoundEntityData, (asNewName));

		if (pSoundEntity->CreateFromFile(sPath)) {
			AddResource(pSoundEntity);
		} else {
			hplDelete(pSoundEntity);
			pSoundEntity = NULL;
		}
	}

	if (pSoundEntity)
		pSoundEntity->IncUserCount();
	else
		Error("Couldn't create SoundEntity '%s'\n", asNewName.c_str());

	EndLoad();
	return pSoundEntity;
}

//-----------------------------------------------------------------------

iResourceBase *cSoundEntityManager::Create(const tString &asName) {
	return CreateSoundEntity(asName);
}

//-----------------------------------------------------------------------

void cSoundEntityManager::Unload(iResourceBase *apResource) {
}
//-----------------------------------------------------------------------

void cSoundEntityManager::Destroy(iResourceBase *apResource) {
	apResource->DecUserCount();

	if (apResource->HasUsers() == false) {
		RemoveResource(apResource);
		hplDelete(apResource);
	}
}

//-----------------------------------------------------------------------
} // namespace hpl