scummvm/engines/kyra/sound/sound_towns_darkmoon.cpp
2020-08-29 23:50:29 +02:00

290 lines
6.7 KiB
C++

/* 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.
*
*/
#ifdef ENABLE_EOB
#include "kyra/sound/sound_intern.h"
#include "kyra/resource/resource.h"
#include "common/config-manager.h"
#include "backends/audiocd/audiocd.h"
#include "audio/audiostream.h"
#include "audio/decoders/raw.h"
namespace Kyra {
SoundTowns_Darkmoon::SoundTowns_Darkmoon(KyraEngine_v1 *vm, Audio::Mixer *mixer) : Sound(vm, mixer) {
_intf = new TownsAudioInterface(mixer, this);
_pcmData = 0;
_pcmVol = 0;
_timer = 0;
_timerSwitch = 0;
memset(_resource, 0, sizeof(_resource));
}
SoundTowns_Darkmoon::~SoundTowns_Darkmoon() {
for (int i = 0; i < 3; i++)
initAudioResourceInfo(i, 0);
delete _intf;
delete[] _pcmData;
}
bool SoundTowns_Darkmoon::init() {
if (!_intf->init())
return false;
_intf->callback(21, 255, 1);
_intf->callback(21, 0, 1);
_intf->callback(22, 255, 221);
_intf->callback(70, 0x31);
_intf->callback(33, 1);
_intf->callback(8, 0x47, 127);
_intf->callback(67, 1, 127, 127);
_intf->setSoundEffectChanMask(-1);
_lastSfxChan = 0x46;
_lastEnvChan = 0x40;
updateVolumeSettings();
return true;
}
void SoundTowns_Darkmoon::timerCallback(int timerId) {
switch (timerId) {
case 1:
_timerSwitch = (_timerSwitch + 1) % 4;
if (!_timerSwitch)
_timer++;
break;
default:
break;
}
}
void SoundTowns_Darkmoon::initAudioResourceInfo(int set, void *info) {
delete _resource[set];
_resource[set] = info ? new SoundResourceInfo_TownsEoB(*(SoundResourceInfo_TownsEoB*)info) : 0;
}
void SoundTowns_Darkmoon::selectAudioResourceSet(int set) {
delete[] _pcmData;
if (!_resource[set] || !_resource[kMusicIngame])
return;
_fileList = _resource[set]->fileList;
_fileListLen = _resource[set]->numFiles;
_pcmDataSize = _resource[kMusicIngame]->pcmDataSize;
_pcmData = new uint8[_pcmDataSize];
_pcmVol = _resource[set]->pcmVolume;
memcpy(_pcmData, _resource[kMusicIngame]->pcmData, _pcmDataSize);
if (set == kMusicIngame)
return;
memcpy(_pcmData, _resource[set]->pcmData, _resource[set]->pcmDataSize);
}
bool SoundTowns_Darkmoon::hasSoundFile(uint file) const {
return true;
}
void SoundTowns_Darkmoon::loadSoundFile(uint file) {
if (file < _fileListLen)
loadSoundFile(_fileList[file]);
}
void SoundTowns_Darkmoon::loadSoundFile(Common::String name) {
Common::SeekableReadStream *s = _vm->resource()->createReadStream(Common::String::format("%s.SDT", name.c_str()));
if (!s)
error("Failed to load sound file '%s.SDT'", name.c_str());
for (int i = 0; i < 120; i++) {
_soundTable[i].type = s->readSByte();
_soundTable[i].para1 = s->readSint32LE();
_soundTable[i].para2 = s->readSint16LE();
}
delete s;
uint32 bytesLeft;
uint8 *pmb = _vm->resource()->fileData(Common::String::format("%s.PMB", name.c_str()).c_str(), &bytesLeft);
_vm->delay(300);
if (pmb) {
uint8 *src = pmb + 8;
for (int i = 0; i < 32; i++)
_intf->callback(5, 0x40, i, &src[i << 7]);
_intf->callback(35, -1);
src += 0x1000;
bytesLeft -= 0x1008;
while (bytesLeft) {
_intf->callback(34, src);
uint32 len = READ_LE_UINT16(&src[12]) + 32;
src = src + len;
bytesLeft -= len;
}
delete[] pmb;
} else {
warning("Sound file '%s.PMB' not found.", name.c_str());
// TODO
}
}
void SoundTowns_Darkmoon::playTrack(uint8 track) {
if (track >= 120 || !_sfxEnabled)
return;
uint8 *pcm = 0;
switch (_soundTable[track].type) {
case -1:
if (track == 0)
haltTrack();
else if (track == 2)
beginFadeOut();
break;
case 0:
if (_soundTable[track].para1 == -1 || (uint32)_soundTable[track].para1 > _pcmDataSize)
return;
pcm = _pcmData + _soundTable[track].para1;
WRITE_LE_UINT16(&pcm[24], _soundTable[track].para2 * 98 / 1000);
_intf->callback(39, 0x47);
_intf->callback(37, 0x47, 60, track == 11 ? 127 : _pcmVol, pcm);
break;
case 2:
resetTrigger();
g_system->getAudioCDManager()->play(_soundTable[track].para1 - 1, 1, 0, 0);
break;
case 3:
_lastSfxChan ^= 3;
_intf->callback(39, _lastSfxChan);
_intf->callback(4, _lastSfxChan, _soundTable[track].para1);
_intf->callback(1, _lastSfxChan, _soundTable[track].para2, 127);
break;
default:
break;
}
}
void SoundTowns_Darkmoon::haltTrack() {
_intf->callback(39, 0x47);
_intf->callback(39, 0x46);
_intf->callback(39, 0x45);
g_system->getAudioCDManager()->stop();
}
bool SoundTowns_Darkmoon::isPlaying() const {
return g_system->getAudioCDManager()->isPlaying();
}
void SoundTowns_Darkmoon::playSoundEffect(uint16 track, uint8 volume) {
if (!_sfxEnabled)
return;
if (volume == 255)
return playTrack(track);
uint8 *pcm = 0;
switch (_soundTable[track].type) {
case 0:
if (_soundTable[track].para1 == -1 || (uint32)_soundTable[track].para1 > _pcmDataSize)
return;
pcm = _pcmData + _soundTable[track].para1;
WRITE_LE_UINT16(&pcm[24], _soundTable[track].para2 * 98 / 1000);
_intf->callback(39, 0x47);
_intf->callback(37, 0x47, 60, volume, pcm);
break;
case 3:
_intf->callback(2, _lastEnvChan);
_intf->callback(4, _lastEnvChan, _soundTable[track].para1);
_intf->callback(1, _lastEnvChan, _soundTable[track].para2, volume);
break;
default:
break;
}
if (++_lastEnvChan == 0x43)
_lastEnvChan = 0x40;
}
void SoundTowns_Darkmoon::stopAllSoundEffects() {
_intf->callback(39, 0x42);
_intf->callback(39, 0x41);
_intf->callback(39, 0x40);
}
void SoundTowns_Darkmoon::beginFadeOut() {
for (int vol = 127; vol >= 0; vol -= 2) {
_intf->callback(67, 1, vol, vol);
_vm->delay(16);
}
_intf->callback(67, 1, 0, 0);
_intf->callback(70, 1);
g_system->getAudioCDManager()->stop();
_intf->callback(70, 0x31);
_intf->callback(67, 1, 127, 127);
}
void SoundTowns_Darkmoon::updateVolumeSettings() {
bool mute = (ConfMan.hasKey("mute")) ? ConfMan.getBool("mute") : false;
_intf->setSoundEffectVolume((mute ? 0 : ConfMan.getInt("sfx_volume")));
}
int SoundTowns_Darkmoon::checkTrigger() {
return _timer;
}
void SoundTowns_Darkmoon::resetTrigger() {
_timer = 0;
_timerSwitch = 0;
}
} // End of namespace Kyra
#endif