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/cvs/deliantra/server/socket/sounds.C
Revision: 1.12
Committed: Mon Jan 15 01:39:42 2007 UTC (17 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_0, rel-2_1
Changes since 1.11: +2 -6 lines
Log Message:
more micro-optimisation, use idistance, min is faster than MIN

File Contents

# User Rev Content
1 elmex 1.1 /* 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 root 1.3 void
25     play_sound_player_only (player *pl, short soundnum, sint8 x, sint8 y)
26 elmex 1.1 {
27 root 1.3 char soundtype;
28 elmex 1.1
29 root 1.10 if (!pl->ns->sound)
30 root 1.3 return;
31 root 1.6
32 root 1.3 /* 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 elmex 1.1 }
38 root 1.3 else
39     soundtype = SOUND_NORMAL;
40 elmex 1.1
41 root 1.7 packet sl;
42 root 1.6
43     sl << "sound "
44     << uint8 (x)
45     << uint8 (y)
46     << uint16 (soundnum)
47     << uint8 (soundtype);
48    
49 root 1.10 pl->ns->send_packet (sl);
50 elmex 1.1 }
51    
52     /** Plays some sound on map at x,y. */
53 root 1.3 void
54 root 1.5 play_sound_map (maptile *map, int x, int y, short sound_num)
55 elmex 1.1 {
56 root 1.3 if (sound_num >= NROF_SOUNDS)
57     {
58     LOG (llevError, "Tried to play an invalid sound num: %d\n", sound_num);
59     return;
60 elmex 1.1 }
61    
62 root 1.11 for_all_players (pl)
63 root 1.3 {
64     if (pl->ob->map == map)
65     {
66 root 1.12 int distance = idistance (pl->ob->x - x, pl->ob->y - y);
67 root 1.3
68     if (distance <= MAX_SOUND_DISTANCE)
69 root 1.12 play_sound_player_only (pl, sound_num, x - pl->ob->x, y - pl->ob->y);
70 root 1.2 }
71 elmex 1.1 }
72     }