ambient.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 AMBIENT_H_
#define AMBIENT_H_
 
#include "common/array.h"
 
namespace Myst3 {
 
class Myst3Engine;
 
class Ambient {
public:
    Ambient(Myst3Engine *vm);
    virtual ~Ambient();
 
    void playCurrentNode(uint32 volume, uint32 fadeOutDelay);
    void loadNode(uint32 node, uint32 room, uint32 age);
    void applySounds(uint32 fadeOutDelay);
    void scaleVolume(uint32 volume);
 
    void addSound(uint32 id, int32 volume, int32 heading, int32 headingAngle, int32 u1, int32 fadeOutDelay);
 
    void setCueSheet(uint32 id, int32 volume, int32 heading, int32 headingAngle);
    void updateCue();
 
    uint32 _scriptAge;
    uint32 _scriptRoom;
 
private:
    Myst3Engine *_vm;
 
    struct AmbientSound {
        uint32 id;
        //char name[32];
 
        int32 volume;
        int32 volumeFlag;
        int32 heading;
        int32 headingAngle;
        int32 u1;
        int32 fadeOutDelay;
 
        void reset() {
            id = 0;
            volume = 0;
            volumeFlag = 0;
            heading = 0;
            headingAngle = 0;
            u1 = 0;
            fadeOutDelay = 0;
        }
    };
 
    uint16 delayForCue(uint32 id);
    uint32 nextCueSound(uint32 id);
 
    Common::Array<AmbientSound> _sounds;
 
    AmbientSound _cueSheet;
    uint32 _cueStartTick;
};
 
} // End of namespace Myst3
 
#endif // AMBIENT_H_