____                _       __
    / __ )____  _____   | |     / /___ ___________
   / __  / __ \/ ___/   | | /| / / __ `/ ___/ ___/
  / /_/ / /_/ (__  )    | |/ |/ / /_/ / /  (__  )
 /_____/\____/____/     |__/|__/\__,_/_/  /____/

       A futuristic real-time strategy game.
          This file is part of Bos Wars.

(C) Copyright 2001-2007 by the Bos Wars and Stratagus Project. Distributed under the "GNU General Public License"

---

music.cpp

Go to the documentation of this file.

//     ____                _       __               
//    / __ )____  _____   | |     / /___ ___________
//   / __  / __ \/ ___/   | | /| / / __ `/ ___/ ___/
//  / /_/ / /_/ (__  )    | |/ |/ / /_/ / /  (__  ) 
// /_____/\____/____/     |__/|__/\__,_/_/  /____/  
//                                              
//       A futuristic real-time strategy game.
//          This file is part of Bos Wars.
//
//
//      (c) Copyright 2002-2008 by Lutz Sammer, Nehal Mistry, and Jimmy Salmon
//
//      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; only version 2 of the License.
//
//      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.
//


/*----------------------------------------------------------------------------
-- Includes
----------------------------------------------------------------------------*/

#include "stratagus.h"

#include <stdio.h>

#include "SDL.h"

#include "sound_server.h"
#include "script.h"

/*----------------------------------------------------------------------------
-- Declaration
----------------------------------------------------------------------------*/

#define SoundFrequency 44100 // sample rate of dsp

/*----------------------------------------------------------------------------
-- Variables
----------------------------------------------------------------------------*/

static SDL_mutex *MusicFinishedMutex;     
static bool MusicFinished;                

bool CallbackMusic;                       

/*----------------------------------------------------------------------------
-- Functions
----------------------------------------------------------------------------*/

static void MusicFinishedCallback(void)
{
    SDL_LockMutex(MusicFinishedMutex);
    MusicFinished = true;
    SDL_UnlockMutex(MusicFinishedMutex);
}

void CheckMusicFinished(bool force)
{
    bool proceed;

    SDL_LockMutex(MusicFinishedMutex);
    proceed = MusicFinished;
    MusicFinished = false;
    SDL_UnlockMutex(MusicFinishedMutex);

    if ((proceed || force) && SoundEnabled() && IsMusicEnabled() && CallbackMusic) {
        lua_pushstring(Lua, "MusicStopped");
        lua_gettable(Lua, LUA_GLOBALSINDEX);
        if (!lua_isfunction(Lua, -1)) {
            fprintf(stderr, "No MusicStopped function in Lua\n");
            StopMusic();
        } else {
            LuaCall(0, 1);
        }
    }
}

void InitMusic(void)
{
    MusicFinished = false;
    MusicFinishedMutex = SDL_CreateMutex();
    SetMusicFinishedCallback(MusicFinishedCallback);
}

---