/*
 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
 * 
 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Crossfire TRT 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/>.
 * 
 * The authors can be reached via e-mail to <crossfire@schmorp.de>
 */

/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */

/**
 * \file
 * Sound-related functions.
 *
 * \date 2003-12-02
 */

#include <global.h>
#include <sproto.h>
#include <sounds.h>

/**
 * Maximum distance a player may hear a sound from.
 * This is only used for new client/server sound.  If the sound source
 * on the map is farther away than this, we don't sent it to the client.
 */
#define MAX_SOUND_DISTANCE 10

/**
 * Plays a sound for specified player only
 */
void
play_sound_player_only (player *pl, short soundnum, sint8 x, sint8 y)
{
  char soundtype;

  if (!pl->ns->sound)
    return;

  /* Do some quick conversion to the sound type we want. */
  if (soundnum >= SOUND_CAST_SPELL_0)
    {
      soundtype = SOUND_SPELL;
      soundnum -= SOUND_CAST_SPELL_0;
    }
  else
    soundtype = SOUND_NORMAL;

  packet sl;

  sl << "sound "
     << uint8  (x)
     << uint8  (y)
     << uint16 (soundnum)
     << uint8  (soundtype);

  pl->ns->send_packet (sl);
}

/** Plays some sound on map at x,y.  */
void
play_sound_map (maptile *map, int x, int y, short sound_num)
{
  if (sound_num >= NROF_SOUNDS)
    {
      LOG (llevError, "Tried to play an invalid sound num: %d\n", sound_num);
      return;
    }

  for_all_players (pl)
    {
      if (pl->ob->map == map)
        {
          int distance = idistance (pl->ob->x - x, pl->ob->y - y);

          if (distance <= MAX_SOUND_DISTANCE)
            play_sound_player_only (pl, sound_num, x - pl->ob->x, y - pl->ob->y);
        }
    }
}