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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "gnap/sound.h"
#include "audio/audiostream.h"
#include "audio/decoders/wave.h"
namespace Gnap {
SoundMan::SoundMan(GnapEngine *vm)
: _vm(vm) {
}
SoundMan::~SoundMan() {
}
void SoundMan::playSound(int resourceId, bool looping) {
SoundItem soundItem;
soundItem._resourceId = resourceId;
SoundResource *soundResource = _vm->_soundCache->get(resourceId);
Common::MemoryReadStream *stream = new Common::MemoryReadStream(soundResource->_data, soundResource->_size, DisposeAfterUse::NO);
Audio::AudioStream *audioStream = Audio::makeLoopingAudioStream(Audio::makeWAVStream(stream, DisposeAfterUse::YES), looping ? 0 : 1);
_vm->_mixer->playStream(Audio::Mixer::kPlainSoundType, &soundItem._handle, audioStream);
_items.push_back(soundItem);
}
void SoundMan::stopSound(int resourceId) {
const int index = find(resourceId);
if (index >= 0) {
_vm->_soundCache->release(_items[index]._resourceId);
_vm->_mixer->stopHandle(_items[index]._handle);
_items.remove_at(index);
}
}
void SoundMan::setSoundVolume(int resourceId, int volume) {
if (resourceId == -1 || volume < 0 || volume > 100)
return;
const int index = find(resourceId);
int realVol = volume * 2.55;
_vm->_mixer->setChannelVolume(_items[index]._handle, realVol);
}
bool SoundMan::isSoundPlaying(int resourceId) {
const int index = find(resourceId);
return index >= 0 && _vm->_mixer->isSoundHandleActive(_items[index]._handle);
}
void SoundMan::stopAll() {
for (int index = 0; index < (int)_items.size(); ++index) {
_vm->_soundCache->release(_items[index]._resourceId);
_vm->_mixer->stopHandle(_items[index]._handle);
}
}
void SoundMan::update() {
for (int index = 0; index < (int)_items.size(); ++index)
if (!_vm->_mixer->isSoundHandleActive(_items[index]._handle)) {
_vm->_soundCache->release(_items[index]._resourceId);
_items.remove_at(index);
--index;
}
}
int SoundMan::find(int resourceId) {
for (int index = 0; index < (int)_items.size(); ++index)
if (_items[index]._resourceId == resourceId)
return index;
return -1;
}
} // End of namespace Gnap
|
