1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "sound.h"
#include "log.h"
#include "main.h"
void Sound::init(int voices, int mod_voices)
{
// Don't initialize sound engine twice
if (isOk == 0) return;
bgm = NULL;
int audio_rate = 44100;
Uint16 audio_format = MIX_DEFAULT_FORMAT;
int audio_channels = 2;
int audio_buffers = 4096;
if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers))
{
#ifndef __DEBUG
throw("Unable to open audio device!");
#else
throw(Mix_GetError());
#endif
}
Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);
char *format_str="Unknown";
switch (audio_format) {
case AUDIO_U8: format_str="U8"; break;
case AUDIO_S8: format_str="S8"; break;
case AUDIO_U16LSB: format_str="U16LSB"; break;
case AUDIO_S16LSB: format_str="S16LSB"; break;
case AUDIO_U16MSB: format_str="U16MSB"; break;
case AUDIO_S16MSB: format_str="S16MSB"; break;
}
pan = 128;
items = -1;
isOk = 0;
logger.log("Sound::init() Initializing Sound");
char driver[40];
logger.log("Sound::init() Driver name: %s", SDL_AudioDriverName(driver, 40));
logger.log("Sound::init() Spec: %i %s %i", audio_rate, format_str,
audio_channels);
}
void Sound::setVolume(int music)
{
if (isOk == -1) return;
if (!isMaxVol(music)) {
vol_music = music;
Mix_VolumeMusic(vol_music);
}
}
void Sound::adjustVolume(int amusic)
{
if (isOk == -1) return;
if (!isMaxVol(vol_music + amusic)) {
vol_music += amusic;
Mix_VolumeMusic(vol_music);
}
}
void Sound::startBgm(char *in, int loop)
{
if (isOk == -1) return;
if (bgm != NULL) {
stopBgm();
}
logger.log("Sound::startBgm() playing \"%s\" %d times", in, loop);
bgm = Mix_LoadMUS(in);
if (bgm) {
Mix_PlayMusic(bgm, loop);
}
else {
logger.log("Sound::startBgm() warning: error loading file.");
}
}
void Sound::stopBgm()
{
if (isOk == -1) return;
logger.log("Sound::stopBgm()");
if (bgm != NULL) {
Mix_HaltMusic();
Mix_FreeMusic(bgm);
bgm = NULL;
}
}
SOUND_SID Sound::loadItem(char *fpath)
{
logger.log("Sound::loadItem() precaching \"%s\"", fpath);
Mix_Chunk *newItem;
if ((newItem = Mix_LoadWAV(fpath))) {
soundpool[++items] = newItem;
logger.log("Sound::loadItem() success SOUND_SID = %d", items);
return items;
}
return 0;
}
void Sound::startItem(SOUND_SID id, int volume)
{
if (soundpool[id]) {
logger.log("Sound::startItem() playing SOUND_SID = %d", id);
Mix_VolumeChunk(soundpool[id], volume);
Mix_PlayChannel(-1, soundpool[id], 0);
}
}
void Sound::clearCache()
{
for (SOUND_SID i = 0; i == items; i++) {
Mix_FreeChunk(soundpool[i]);
soundpool[i] = NULL;
}
soundpool.clear();
logger.log("Sound::clearCache() wiped all items off the cache");
}
void Sound::close()
{
isOk = -1;
clearCache();
Mix_CloseAudio();
logger.log("Sound::close() shutting down Sound");
}
bool Sound::isMaxVol(int vol)
{
if (vol > 0 && vol < 128) return false;
else return true;
}
|
