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/cvs/deliantra/server/socket/sounds.C
Revision: 1.9
Committed: Thu Dec 14 20:39:55 2006 UTC (17 years, 5 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.8: +1 -1 lines
Log Message:
- implement c++ interface to Event->io watchers
- cut number of write()'s the server does in half

File Contents

# Content
1 /* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */
2
3 /**
4 * \file
5 * Sound-related functions.
6 *
7 * \date 2003-12-02
8 */
9
10 #include <global.h>
11 #include <sproto.h>
12 #include <sounds.h>
13
14 /**
15 * Maximum distance a player may hear a sound from.
16 * This is only used for new client/server sound. If the sound source
17 * on the map is farther away than this, we don't sent it to the client.
18 */
19 #define MAX_SOUND_DISTANCE 10
20
21 /**
22 * Plays a sound for specified player only
23 */
24 void
25 play_sound_player_only (player *pl, short soundnum, sint8 x, sint8 y)
26 {
27 char soundtype;
28
29 if (!pl->socket->sound)
30 return;
31
32 /* Do some quick conversion to the sound type we want. */
33 if (soundnum >= SOUND_CAST_SPELL_0)
34 {
35 soundtype = SOUND_SPELL;
36 soundnum -= SOUND_CAST_SPELL_0;
37 }
38 else
39 soundtype = SOUND_NORMAL;
40
41 packet sl;
42
43 sl << "sound "
44 << uint8 (x)
45 << uint8 (y)
46 << uint16 (soundnum)
47 << uint8 (soundtype);
48
49 pl->socket->send_packet (sl);
50 }
51
52 #define POW2(x) ((x) * (x))
53
54 /** Plays some sound on map at x,y. */
55 void
56 play_sound_map (maptile *map, int x, int y, short sound_num)
57 {
58 player *pl;
59
60 if (sound_num >= NROF_SOUNDS)
61 {
62 LOG (llevError, "Tried to play an invalid sound num: %d\n", sound_num);
63 return;
64 }
65
66 for (pl = first_player; pl; pl = pl->next)
67 {
68 if (pl->ob->map == map)
69 {
70 int distance = isqrt (POW2 (pl->ob->x - x) + POW2 (pl->ob->y - y));
71
72 if (distance <= MAX_SOUND_DISTANCE)
73 {
74 play_sound_player_only (pl, sound_num, (sint8) (x - pl->ob->x), (sint8) (y - pl->ob->y));
75 }
76 }
77 }
78 }