MusicManager.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/>.
 *
 */
 
/*
 * This code is based on the CRAB engine
 *
 * Copyright (c) Arvind Raja Yadav
 *
 * Licensed under MIT
 *
 */
 
#ifndef CRAB_MUSICMANAGER_H
#define CRAB_MUSICMANAGER_H
 
#include "audio/mixer.h"
#include "audio/decoders/wave.h"
#include "crab/music/musicparam.h"
 
namespace Crab {
 
namespace pyrodactyl {
namespace music {
class MusicManager {
    struct EffectAudio {
        Common::File _file;
        Audio::SeekableAudioStream *_stream;
        Audio::SoundHandle *_handle;
    };
 
    // The background music for our current level
    MusicData _bg;
 
    Common::HashMap<ChunkKey, EffectAudio *> _effects;
 
    Audio::SoundHandle *_musicHandle;
 
public:
    // The notification sound
    ChunkKey _notify, _repInc, _repDec;
 
    MusicManager() {
        _notify = -1;
        _repInc = -1;
        _repDec = -1;
 
        _musicHandle = nullptr;
    }
    ~MusicManager() {}
 
    bool load(rapidxml::xml_node<char> *node);
 
    void syncSettings();
 
    void playMusic(const MusicKey &id);
    void playEffect(const ChunkKey &id, const int &loops);
 
    static void pause() {
        g_system->getMixer()->pauseAll(true);
    }
 
    static void resume() {
        g_system->getMixer()->pauseAll(false);
    }
 
    static void stop() {
        g_system->getMixer()->stopAll();
    }
 
    static void volEffects(const int &volume, const bool &unmute = false) {
        if (unmute)
            g_system->getMixer()->muteSoundType(Audio::Mixer::kSFXSoundType, false);
        g_system->getMixer()->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, volume);
    }
 
    static int volEffects() {
        return g_system->getMixer()->getVolumeForSoundType(Audio::Mixer::kSFXSoundType);
    }
 
    static void volMusic(const int &volume, const bool &unmute = false) {
        if (unmute)
            g_system->getMixer()->muteSoundType(Audio::Mixer::kMusicSoundType, false);
        g_system->getMixer()->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, volume);
    }
 
    static int volMusic() {
        return g_system->getMixer()->getVolumeForSoundType(Audio::Mixer::kMusicSoundType);
    }
 
    void saveState();
 
    void freeMusic();
    void freeChunk();
 
    void quit() {
        g_system->getMixer()->stopAll();
 
        freeMusic();
        freeChunk();
    }
};
 
} // End of namespace music
} // End of namespace pyrodactyl
 
} // End of namespace Crab
 
#endif // CRAB_MUSICMANAGER_H