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elmex |
1.1 |
/* 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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root |
1.3 |
void |
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play_sound_player_only (player *pl, short soundnum, sint8 x, sint8 y) |
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elmex |
1.1 |
{ |
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root |
1.3 |
char soundtype; |
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elmex |
1.1 |
|
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root |
1.3 |
if (!pl->socket.sound) |
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return; |
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root |
1.6 |
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root |
1.3 |
/* Do some quick conversion to the sound type we want. */ |
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if (soundnum >= SOUND_CAST_SPELL_0) |
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{ |
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soundtype = SOUND_SPELL; |
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soundnum -= SOUND_CAST_SPELL_0; |
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elmex |
1.1 |
} |
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root |
1.3 |
else |
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soundtype = SOUND_NORMAL; |
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elmex |
1.1 |
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root |
1.6 |
SockList sl (MAXSOCKBUF); |
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sl << "sound " |
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<< uint8 (x) |
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<< uint8 (y) |
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<< uint16 (soundnum) |
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<< uint8 (soundtype); |
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root |
1.3 |
Send_With_Handling (&pl->socket, &sl); |
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root |
1.6 |
sl.free (); |
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elmex |
1.1 |
} |
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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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root |
1.3 |
void |
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root |
1.5 |
play_sound_map (maptile *map, int x, int y, short sound_num) |
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elmex |
1.1 |
{ |
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root |
1.3 |
player *pl; |
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elmex |
1.1 |
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root |
1.3 |
if (sound_num >= NROF_SOUNDS) |
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{ |
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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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elmex |
1.1 |
} |
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root |
1.3 |
for (pl = first_player; pl; pl = pl->next) |
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{ |
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if (pl->ob->map == map) |
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{ |
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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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{ |
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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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root |
1.2 |
} |
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} |
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elmex |
1.1 |
} |
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} |
