1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifdef ENABLE_EOB
24 
25 #include "kyra/sound/sound_intern.h"
26 #include "kyra/resource/resource.h"
27 #include "kyra/sound/drivers/mlalf98.h"
28 
29 #include "common/config-manager.h"
30 
31 namespace Kyra {
32 
SoundPC98_EoB(KyraEngine_v1 * vm,Audio::Mixer * mixer)33 SoundPC98_EoB::SoundPC98_EoB(KyraEngine_v1 *vm, Audio::Mixer *mixer) : Sound(vm, mixer),
34 	_vm(vm), _driver(0), _currentResourceSet(-1), _sfxDelay(0), _ready(false) {
35 	memset(_resInfo, 0, sizeof(_resInfo));
36 }
37 
~SoundPC98_EoB()38 SoundPC98_EoB::~SoundPC98_EoB() {
39 	delete _driver;
40 
41 	for (int i = 0; i < 3; i++)
42 		initAudioResourceInfo(i, 0);
43 }
44 
getMusicType() const45 Sound::kType SoundPC98_EoB::getMusicType() const {
46 	return kPC98;
47 }
48 
init()49 bool SoundPC98_EoB::init() {
50 	_driver = new MLALF98(_mixer, MLALF98::kType9801_86);
51 	_ready = true;
52 	return true;
53 }
54 
initAudioResourceInfo(int set,void * info)55 void SoundPC98_EoB::initAudioResourceInfo(int set, void *info) {
56 	delete _resInfo[set];
57 	_resInfo[set] = info ? new SoundResourceInfo_PC(*(SoundResourceInfo_PC*)info) : 0;
58 }
59 
selectAudioResourceSet(int set)60 void SoundPC98_EoB::selectAudioResourceSet(int set) {
61 	if (set == _currentResourceSet || !_ready)
62 		return;
63 
64 	if (!_resInfo[set])
65 		return;
66 
67 	_currentResourceSet = set;
68 }
69 
loadSoundFile(uint file)70 void SoundPC98_EoB::loadSoundFile(uint file) {
71 	if (!_ready)
72 		return;
73 
74 	if (file >= _resInfo[_currentResourceSet]->fileListSize)
75 		return;
76 
77 	Common::SeekableReadStream *s = _vm->resource()->createReadStream(_resInfo[_currentResourceSet]->fileList[file]);
78 	_driver->loadMusicData(s);
79 	delete s;
80 }
81 
loadSfxFile(Common::String file)82 void SoundPC98_EoB::loadSfxFile(Common::String file) {
83 	if (!_ready)
84 		return;
85 
86 	Common::SeekableReadStream *s = _vm->resource()->createReadStream(file);
87 	_driver->loadSoundEffectData(s);
88 	delete s;
89 }
90 
playTrack(uint8 track)91 void SoundPC98_EoB::playTrack(uint8 track) {
92 	if (!_musicEnabled || !_ready)
93 		return;
94 
95 	_driver->allChannelsOff();
96 	loadSoundFile(track);
97 	_driver->startMusic(0);
98 }
99 
haltTrack()100 void SoundPC98_EoB::haltTrack() {
101 	if (!_musicEnabled || !_ready)
102 		return;
103 	playTrack(0);
104 }
105 
playSoundEffect(uint16 track,uint8)106 void SoundPC98_EoB::playSoundEffect(uint16 track, uint8) {
107 	if (_currentResourceSet != kMusicIngame || !_sfxEnabled || !_ready || track >= 120 || (track != 28 && _sfxDelay > _vm->_system->getMillis()))
108 		return;
109 	_driver->startSoundEffect(track);
110 	if (track == 28)
111 		_sfxDelay = _vm->_system->getMillis() + 1440;
112 }
113 
updateVolumeSettings()114 void SoundPC98_EoB::updateVolumeSettings() {
115 	if (!_driver || !_ready)
116 		return;
117 
118 	bool mute = false;
119 	if (ConfMan.hasKey("mute"))
120 		mute = ConfMan.getBool("mute");
121 
122 	_driver->setMusicVolume((mute ? 0 : ConfMan.getInt("music_volume")));
123 	_driver->setSoundEffectVolume((mute ? 0 : ConfMan.getInt("sfx_volume")));
124 }
125 
126 } // End of namespace Kyra
127 
128 #endif
129