GameMusicHandler.h

/* 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 Penumbra Overture.
 */

#ifndef GAME_GAME_MUSIC_HANDLER_H
#define GAME_GAME_MUSIC_HANDLER_H

#include "hpl1/engine/engine.h"

#include "hpl1/penumbra-overture/GameTypes.h"

using namespace hpl;

class cInit;
class cMapHandler;
class cGameMusicHandler_GlobalSave;
class iGameEnemy;

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

class cGameMusic {
    friend class cGameMusicHandler;

public:
    cGameMusic();

    void Reset();

private:
    tString msFile;

    bool mbLoop;
    float mfVolume;
};

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

typedef Hpl1::Std::set<iGameEnemy *> tAttackerSet;
typedef tAttackerSet::iterator tAttackerSetIt;

class cGameMusicHandler : public iUpdateable {
public:
    cGameMusicHandler(cInit *apInit);
    ~cGameMusicHandler();

    void OnStart();
    void Update(float afTimeStep);
    void Reset();

    void OnWorldLoad();
    void OnWorldExit();

    void LoadFromGlobal(cGameMusicHandler_GlobalSave *apSave);
    void SaveToGlobal(cGameMusicHandler_GlobalSave *apSave);

    void Play(const tString &asFile, bool abLoop, float afVolume, float afFade, int alPrio);
    void Stop(float afFade, int alPrio);

    void AddAttacker(iGameEnemy *apEntity);
    void RemoveAttacker(iGameEnemy *apEntity);
    bool AttackerExist(iGameEnemy *apEntity);

private:
    void PlayHighestPriority();

    cInit *mpInit;
    cMusicHandler *mpMusicHandler;

    Common::Array<cGameMusic> mvGameMusic;
    int mlMaxPrio;

    int mlCurrentMaxPrio;

    tAttackerSet m_setAttackers;

    bool mbAttackPlaying;
    float mfAttackPlayCount;
    float mfAttackStopCount;

    bool mbEnemyClosePlaying;
    float mfEnemyCloseCount;
    float mfEnemyGoneCount;
};

#endif // GAME_GAME_MUSIC_HANDLER_H