sound.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/>.
 *
 */
 
#ifndef FREESCAPE_SOUND_H
#define FREESCAPE_SOUND_H
 
#include "audio/softsynth/pcspk.h"
 
namespace Freescape {
 
// TODO: Migrate to Audio::PCSpeaker
class SizedPCSpeaker : public Audio::PCSpeakerStream {
public:
    bool endOfStream() const override { return !isPlaying(); }
};
 
class Sound {
public:
    enum Type {
        kTypeNormal,
        kTypeMovement
    };
 
    virtual ~Sound() {}
 
    virtual void playSound(int index, Type type) = 0;
    virtual void stopSound(Type type) = 0;
    virtual bool isPlayingSound(Type type) const = 0;
 
    // Whether the given sound index actually exists. Used to skip undefined
    // sounds without disturbing the sound currently playing, matching the
    // original engines where an unknown index leaves the active sound untouched.
    virtual bool isSoundAvailable(int index) const { return true; }
};
 
} // End of namespace Freescape
 
#endif // FREESCAPE_SOUND_H