ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/socket/sounds.C
Revision: 1.18
Committed: Sat Jul 28 00:45:05 2007 UTC (16 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.17: +8 -1 lines
Log Message:
added volume to sound effect packet, tuned overload management

File Contents

# Content
1 /*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
22 */
23
24 /* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */
25
26 /**
27 * \file
28 * Sound-related functions.
29 *
30 * \date 2003-12-02
31 */
32
33 #include <global.h>
34 #include <sproto.h>
35 #include <sounds.h>
36
37 #include <tr1/unordered_map>
38
39 /**
40 * Maximum distance a player may hear a sound from.
41 * This is only used for new client/server sound. If the sound source
42 * on the map is farther away than this, we don't sent it to the client.
43 */
44 #define MAX_SOUND_DISTANCE 10
45
46 // the hashtable
47 typedef std::tr1::unordered_map
48 <
49 const char *,
50 faceidx,
51 str_hash,
52 str_equal,
53 slice_allocator< std::pair<const char *const, faceidx> >
54 > HT;
55
56 static HT ht;
57
58 faceidx
59 sound_find (const char *str)
60 {
61 auto (i, ht.find (str));
62
63 return i == ht.end ()
64 ? 0
65 : i->second;
66 }
67
68 void
69 sound_set (const char *str, faceidx face)
70 {
71 auto (i, ht.find (str));
72
73 if (i != ht.end ())
74 i->second = face;
75 else
76 ht.insert (std::make_pair (strdup (str), face));
77 }
78
79 //TODO: remove
80 // for gcfclient-compatibility, to vanish at some point
81 faceidx old_sound_index [SOUND_CAST_SPELL_0];
82
83 /*
84 * Plays a sound for specified player only
85 */
86 void
87 client::play_sound (faceidx sound, int dx, int dy)
88 {
89 if (!sound)
90 return;
91
92 if (fx_want [FT_SOUND])
93 {
94 // cfplus
95 send_face (sound);
96 flush_fx ();
97
98 sint8 vol = idistance (dx, dy) * -80 / 10;
99
100 // cut off volume here
101 if (vol < -80)
102 return;
103
104 packet sl ("sc");
105
106 uint8 *len = sl.cur;
107
108 sl << uint8 (0) // group length
109 << uint8 (0) // type == one-time effect
110 << ber32 (sound)
111 << sint8 (dx)
112 << sint8 (dy)
113 << sint8 (vol); // -128 == silent, 0 normal, 127 twice the amplitude
114
115 *len = sl.cur - len; // patch in group length
116
117 send_packet (sl);
118 }
119 else if (this->sound)
120 {
121 //TODO: remove, or make bearable
122 // gcfclient compatibility
123
124 int gcfclient_sound;
125 for (gcfclient_sound = SOUND_CAST_SPELL_0; gcfclient_sound--; )
126 if (old_sound_index [gcfclient_sound] == sound)
127 {
128 packet sl ("sound");
129
130 sl << uint8 (dx)
131 << uint8 (dy)
132 << uint16 (gcfclient_sound)
133 << uint8 (SOUND_NORMAL);
134
135 send_packet (sl);
136
137 break;
138 }
139 }
140 }
141