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/*
* static char *rcsid_sound_c =
* "$Id: sounds.c 6116 2007-04-24 21:46:26Z akirschbaum $";
*/
/* 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;
SockList sl;
if (pl->socket.sound & SND_MUTE || !(pl->socket.sound & SND_EFFECTS)) 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;
sl.buf=malloc(MAXSOCKSENDBUF);
strcpy((char*)sl.buf, "sound ");
sl.len=strlen((char*)sl.buf);
SockList_AddChar(&sl, x);
SockList_AddChar(&sl, y);
SockList_AddShort(&sl, soundnum);
SockList_AddChar(&sl, soundtype);
Send_With_Handling(&pl->socket, &sl);
free(sl.buf);
}
#define POW2(x) ((x) * (x))
/** Plays some sound on map at x,y. */
void play_sound_map(const mapstruct *map, int x, int y, short sound_num)
{
player *pl;
if (sound_num >= NROF_SOUNDS) {
LOG(llevError,"Tried to play an invalid sound num: %d\n", sound_num);
return;
}
for (pl = first_player; pl; pl = pl->next) {
if (pl->ob->map == map) {
int distance=isqrt(POW2(pl->ob->x - x) + POW2(pl->ob->y - y));
if (distance<=MAX_SOUND_DISTANCE) {
play_sound_player_only(pl, sound_num, ( sint8 )( x-pl->ob->x ), ( sint8 )( y-pl->ob->y ));
}
}
}
}
/**
* Sends background music to client.
*
* @param pl
* player
* @param music
* background music name. Can be NULL.
*/
void send_background_music(player* pl, const char* music) {
SockList sl;
if (pl->socket.sound & SND_MUTE || !(pl->socket.sound & SND_MUSIC)) return;
sl.buf=malloc(MAXSOCKSENDBUF);
strcpy((char*)sl.buf, "music ");
sl.len=strlen((char*)sl.buf);
if (music)
SockList_AddString(&sl, music);
else
SockList_AddString(&sl, "NONE");
Send_With_Handling(&pl->socket, &sl);
free(sl.buf);
}
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