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root |
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/* |
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* static char *rcsid_sound_c = |
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* "$Id: sounds.c,v 1.5 2003/12/14 16:28:47 ryo_saeba Exp $"; |
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*/ |
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/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */ |
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/** |
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* \file |
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* Sound-related functions. |
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* |
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* \date 2003-12-02 |
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*/ |
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#include <global.h> |
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#include <sproto.h> |
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#include <sounds.h> |
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/** |
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* Maximum distance a player may hear a sound from. |
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* This is only used for new client/server sound. If the sound source |
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* on the map is farther away than this, we don't sent it to the client. |
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*/ |
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#define MAX_SOUND_DISTANCE 10 |
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/** |
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* Plays a sound for specified player only |
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*/ |
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void play_sound_player_only(player *pl, short soundnum, sint8 x, sint8 y) |
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{ |
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char soundtype; |
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SockList sl; |
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if (!pl->socket.sound) return; |
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/* Do some quick conversion to the sound type we want. */ |
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if (soundnum>=SOUND_CAST_SPELL_0) { |
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soundtype=SOUND_SPELL; |
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soundnum -=SOUND_CAST_SPELL_0; |
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} |
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else soundtype=SOUND_NORMAL; |
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sl.buf=malloc(MAXSOCKBUF); |
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strcpy((char*)sl.buf, "sound "); |
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sl.len=strlen((char*)sl.buf); |
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SockList_AddChar(&sl, x); |
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SockList_AddChar(&sl, y); |
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SockList_AddShort(&sl, soundnum); |
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SockList_AddChar(&sl, soundtype); |
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Send_With_Handling(&pl->socket, &sl); |
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free(sl.buf); |
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} |
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#define POW2(x) ((x) * (x)) |
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/** Plays some sound on map at x,y. */ |
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void play_sound_map(mapstruct *map, int x, int y, short sound_num) |
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{ |
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player *pl; |
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if (sound_num >= NROF_SOUNDS) { |
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LOG(llevError,"Tried to play an invalid sound num: %d\n", sound_num); |
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return; |
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} |
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for (pl = first_player; pl; pl = pl->next) { |
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if (pl->ob->map == map) { |
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int distance=isqrt(POW2(pl->ob->x - x) + POW2(pl->ob->y - y)); |
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if (distance<=MAX_SOUND_DISTANCE) { |
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play_sound_player_only(pl, sound_num, ( sint8 )( x-pl->ob->x ), ( sint8 )( y-pl->ob->y )); |
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} |
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} |
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} |
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} |
