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/* 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 "audio/decoders/raw.h"
#include "audio/decoders/voc.h"
#include "common/config-manager.h"
#include "xeen/sound.h"
#include "xeen/xeen.h"
namespace Xeen {
Sound::Sound(Audio::Mixer *mixer) : _mixer(mixer), _fxOn(true), _musicOn(true), _subtitles(false),
_songData(nullptr), _effectsData(nullptr), _musicSide(0), _musicPercent(100) {
_SoundDriver = new AdlibSoundDriver();
}
Sound::~Sound() {
stopAllAudio();
delete _SoundDriver;
delete[] _effectsData;
delete[] _songData;
}
void Sound::playSound(Common::SeekableReadStream &s, int unused) {
stopSound();
if (!_fxOn)
return;
s.seek(0);
Common::SeekableReadStream *srcStream = s.readStream(s.size());
Audio::SeekableAudioStream *stream = Audio::makeVOCStream(srcStream,
Audio::FLAG_UNSIGNED, DisposeAfterUse::YES);
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_soundHandle, stream);
}
void Sound::playSound(const Common::String &name, int unused) {
File f;
if (!f.open(name))
error("Could not open sound - %s", name.c_str());
playSound(f);
}
void Sound::playSound(const Common::String &name, int ccNum, int unused) {
File f;
if (!f.open(name, ccNum))
error("Could not open sound - %s", name.c_str());
playSound(f);
}
void Sound::stopSound() {
_mixer->stopHandle(_soundHandle);
}
bool Sound::isSoundPlaying() const {
return _mixer->isSoundHandleActive(_soundHandle);
}
void Sound::stopAllAudio() {
stopSong();
stopFX();
stopSound();
setMusicPercent(100);
}
void Sound::setFxOn(bool isOn) {
ConfMan.setBool("sfx_mute", !isOn);
if (isOn)
ConfMan.setBool("mute", false);
g_vm->syncSoundSettings();
}
void Sound::updateSoundSettings() {
_fxOn = !ConfMan.getBool("sfx_mute");
if (!_fxOn)
stopFX();
_musicOn = !ConfMan.getBool("music_mute");
if (!_musicOn)
stopSong();
_subtitles = ConfMan.hasKey("subtitles") ? ConfMan.getBool("subtitles") : true;
}
void Sound::loadEffectsData() {
// Stop any prior FX
stopFX();
delete[] _effectsData;
// Load in an entire driver so we have quick access to the effects data
// that's hardcoded within it
File file("blastmus");
byte *effectsData = new byte[file.size()];
file.seek(0);
file.read(effectsData, file.size());
file.close();
_effectsData = effectsData;
// Locate the playFX routine
const byte *fx = effectsData + READ_LE_UINT16(effectsData + 10) + 12;
assert(READ_BE_UINT16(fx + 28) == 0x81FB);
uint numEffects = READ_LE_UINT16(fx + 30);
assert(READ_BE_UINT16(fx + 36) == 0x8B87);
const byte *table = effectsData + READ_LE_UINT16(fx + 38);
// Extract the effects offsets
_effectsOffsets.resize(numEffects);
for (uint idx = 0; idx < numEffects; ++idx)
_effectsOffsets[idx] = READ_LE_UINT16(&table[idx * 2]);
}
void Sound::playFX(uint effectId) {
stopFX();
loadEffectsData();
if (effectId < _effectsOffsets.size()) {
const byte *dataP = &_effectsData[_effectsOffsets[effectId]];
_SoundDriver->playFX(effectId, dataP);
}
}
void Sound::stopFX() {
_SoundDriver->stopFX();
}
int Sound::songCommand(uint commandId, byte volume) {
int result = _SoundDriver->songCommand(commandId, volume);
if (commandId == STOP_SONG) {
delete[] _songData;
_songData = nullptr;
}
return result;
}
void Sound::playSong(Common::SeekableReadStream &stream) {
stopSong();
if (!_musicOn)
return;
byte *songData = new byte[stream.size()];
stream.seek(0);
stream.read(songData, stream.size());
_songData = songData;
_SoundDriver->playSong(_songData);
}
void Sound::playSong(const Common::String &name, int param) {
_priorMusic = _currentMusic;
_currentMusic = name;
Common::File mf;
if (mf.open(name)) {
playSong(mf);
} else {
File f(name, _musicSide);
playSong(f);
}
}
void Sound::setMusicOn(bool isOn) {
ConfMan.setBool("music_mute", !isOn);
if (isOn)
ConfMan.setBool("mute", false);
g_vm->syncSoundSettings();
}
bool Sound::isMusicPlaying() const {
return _SoundDriver->isPlaying();
}
void Sound::setMusicPercent(byte percent) {
assert(percent <= 100);
_musicPercent = percent;
songCommand(SET_VOLUME, (int)percent * 127 / 100);
}
} // End of namespace Xeen
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