SoundHandler.h

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/* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 5 -*- */

/*
 * Combination of a first person action and a real time strategy battle game.
 */

/*
 * SoundHandler.h
 * MetalWarriors
 * $Revision: 1.7 $
 *
 * Created by Daniel Aarno on Sun Oct 12 2003.
 * Copyright (c) 2003 Daniel Aarno and Erik Ytterberg - All rights reserved.
 *
 *     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 2 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, write to the Free Software
 *     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#ifndef _SOUND_HANDLER_
#define _SOUND_HANDLER_

#include <list>
#include <sys/types.h>

static const float SPEED_OF_SOUND = 346.4;

//#include "config.h"

struct source_t
{
     int sid;
     bool updateMe;
};

class SoundEmitter
{
 protected:
     float *pos;
     float *vel;

     std::list<source_t*> sources;
     static float null_[3];

public:
     SoundEmitter() { pos = null_; vel = null_;}
     virtual ~SoundEmitter() {}
     virtual int addSound(const char *file_name) { return 0; }
     virtual void delSound(int sound_index) {}
     virtual void playSound(int sound) {}
     virtual void setUpdate(int sound_index, bool do_update) {}

     virtual void setPosition(int idx, float *v) {}
     virtual void setDirection(int idx, float *v) {}
     virtual void setVelocity(int idx, float *v) {}
     //...
     virtual void setGain(int idx, float gain) {}
     
     virtual void setPosition(float *position) {}
     virtual void setVelocity(float *velocity) {}

     virtual void update() {}
};

class SoundHandler
{
protected:
     static pid_t musicPlayer;
     float *dir;
     float *pos;
     float *vel;
     
     SoundEmitter *myEmitter;
     std::list<SoundEmitter*> emitterList;
  
public:
     SoundHandler() {}
     virtual ~SoundHandler() {}
     virtual int init(int argc, char** argv) { return 0; }
     virtual void setDirectionVector(float *direction) {}

     virtual SoundEmitter* allocNewEmitter(void) { return new SoundEmitter(); }
     virtual void delEmitter(SoundEmitter *emitter) {}
  
     virtual int addSound(const char *file_name) { return 0; }
     virtual void masterVolume(float volume) {}

     virtual void update() {}

     static void StartMusic(const std::string &fname);
     static void StopMusic();
};

#endif //_SOUND_HANDLER_

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