/*
 * 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>

#include <tr1/unordered_map>

/**
 * 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

// the hashtable
typedef std::tr1::unordered_map
  <
    const char *,
    faceidx,
    str_hash,
    str_equal,
    slice_allocator< std::pair<const char *const, faceidx> >
  > HT;

static HT ht;

faceidx
sound_find (const char *str)
{
  auto (i, ht.find (str));

  return i == ht.end ()
    ? 0
    : i->second;
}

void
sound_set (const char *str, faceidx face)
{
  auto (i, ht.find (str));

  if (i != ht.end ())
    i->second = face;
  else
    ht.insert (std::make_pair (strdup (str), face));
}

/*
 * Plays a sound for specified player only
 */
void
client::play_sound (faceidx sound, int dx, int dy)
{
  if (!sound)
    return;

  if (fx_want [FT_SOUND])
    {
      // cfplus
      send_face (sound);
      flush_fx ();

      packet sl ("sc");

      uint8 *len = sl.cur;

      sl << uint8 (0) // group length
         << uint8 (0) // type == one-time effect
         << ber32 (sound)
         << sint8 (dx)
         << sint8 (dy);

      *len = sl.cur - len; // patch in group length

      send_packet (sl);
    }
  else if (this->sound)
    {
      // gcfclient compatibility
      // fetch compatibility sound index first

      packet sl ("sound");

      sl << uint8  (dx)
         << uint8  (dy)
         << uint16 (sound)
         << uint8  (SOUND_NORMAL);

      send_packet (sl);
    }
}