177 lines
4.9 KiB
C++
177 lines
4.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef ENABLE_EOB
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#include "kyra/sound/drivers/segacd.h"
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#include "kyra/sound/sound_intern.h"
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#include "kyra/resource/resource.h"
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#include "common/config-manager.h"
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#include "backends/audiocd/audiocd.h"
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namespace Kyra {
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SoundSegaCD_EoB::SoundSegaCD_EoB(KyraEngine_v1 *vm, Audio::Mixer *mixer) : Sound(vm, mixer),
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_vm(vm), _driver(0), _fmData(0), _lastSoundEffect(-1), _ready(false) {
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memset(_pcmOffsets, 0, sizeof(_pcmOffsets));
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memset(_fmOffsets, 0, sizeof(_fmOffsets));
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}
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SoundSegaCD_EoB::~SoundSegaCD_EoB() {
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delete _driver;
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delete[] _fmData;
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}
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Sound::kType SoundSegaCD_EoB::getMusicType() const {
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return kSegaCD;
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}
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bool SoundSegaCD_EoB::init() {
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_driver = new SegaAudioDriver(_mixer);
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g_system->getAudioCDManager()->open();
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loadPCMData();
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loadFMData();
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_ready = true;
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return true;
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}
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void SoundSegaCD_EoB::playTrack(uint8 track) {
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if (!_ready)
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return;
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if (!_musicEnabled) {
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haltTrack();
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return;
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}
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int loop = track >> 6;
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track &= 0x7F;
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g_system->getAudioCDManager()->play(track - 1, loop - 1, 0, 0);
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g_system->getAudioCDManager()->update();
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}
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void SoundSegaCD_EoB::haltTrack() {
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if (!_ready)
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return;
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g_system->getAudioCDManager()->stop();
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}
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void SoundSegaCD_EoB::playSoundEffect(uint16 track, uint8 volume) {
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if (!_sfxEnabled || !_ready)
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return;
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uint8 flags = track >> 8;
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track &= 0xFF;
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if (flags & 0x80) {
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track--;
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assert(track < ARRAYSIZE(_pcmOffsets));
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for (uint8 i = 0; i < 8; ++i)
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_driver->startPCMSound(i, _pcmOffsets[track]);
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} else {
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uint8 snd = (flags & 0x40) ? track : _fmTrackMap[track];
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if (snd == 0 || snd > 135)
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return;
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_driver->startFMSound(&_fmData[_fmOffsets[snd - 1]], volume, (SegaAudioDriver::PrioFlags)flags);
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_lastSoundEffect = track;
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}
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}
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bool SoundSegaCD_EoB::isPlaying() const {
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return g_system->getAudioCDManager()->isPlaying();
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}
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void SoundSegaCD_EoB::updateVolumeSettings() {
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if (!_driver || !_ready)
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return;
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bool mute = false;
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if (ConfMan.hasKey("mute"))
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mute = ConfMan.getBool("mute");
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_driver->setMusicVolume((mute ? 0 : ConfMan.getInt("music_volume")));
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_driver->setSoundEffectVolume((mute ? 0 : ConfMan.getInt("sfx_volume")));
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}
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void SoundSegaCD_EoB::loadPCMData() {
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uint32 dataSize;
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uint8 *data1 = _vm->resource()->fileData("PCM", &dataSize);
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if (!data1)
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error("SoundSegaCD_EoB::loadPCMData: File not found: '%s'", "PCM");
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uint8 *data2 = new uint8[0x100];
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memset(data2, 0xFF, 0x100);
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data2[0] = 0x80;
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for (int i = 0; i < ARRAYSIZE(_pcmOffsets); ++i)
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_pcmOffsets[i] = data1[(i << 2) + 2];
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_driver->loadPCMData(0, data1 + 64, dataSize - 64);
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_driver->loadPCMData(0xFF00, data2, 0x100);
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delete[] data1;
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delete[] data2;
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}
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void SoundSegaCD_EoB::loadFMData() {
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Common::SeekableReadStreamEndian *in = _vm->resource()->createEndianAwareReadStream("FMSE");
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if (!in)
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error("SoundSegaCD_EoB::loadFMData: File not found: '%s'", "FMSE");
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for (int i = 0; i < ARRAYSIZE(_fmOffsets); ++i)
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_fmOffsets[i] = (in->readUint32() - ARRAYSIZE(_fmOffsets) * 4) & 0xFFFF;
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uint32 dataSize = in->size() - in->pos();
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uint8 *data = new uint8[dataSize];
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in->read(data, dataSize);
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delete[] _fmData;
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_fmData = data;
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delete in;
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}
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const uint8 SoundSegaCD_EoB::_fmTrackMap[140] = {
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0x00, 0x05, 0x40, 0x01, 0x02, 0x02, 0x06, 0x07, 0x12, 0x0a,
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0x11, 0x1f, 0x1e, 0x12, 0x09, 0x0c, 0x0b, 0x17, 0x21, 0x0d,
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0x00, 0x14, 0x00, 0x16, 0x00, 0x00, 0x26, 0x0f, 0x13, 0x10,
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0x00, 0x00, 0x27, 0x00, 0x1a, 0x28, 0x39, 0x46, 0x33, 0x4a,
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0x3b, 0x48, 0x33, 0x47, 0x38, 0x4d, 0x3e, 0x45, 0x36, 0x41,
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0x3a, 0x49, 0x46, 0x38, 0x44, 0x37, 0x42, 0x34, 0x4b, 0x3c,
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0x41, 0x3b, 0x40, 0x38, 0x47, 0x39, 0x4d, 0x35, 0x4c, 0x3d,
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0x4e, 0x3d, 0x42, 0x43, 0x36, 0x32, 0x00, 0x60, 0x1f, 0x82,
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0x1c, 0x29, 0x00, 0x00, 0x00, 0x65, 0x24, 0x60, 0x62, 0x6d,
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0x00, 0x78, 0x70, 0x74, 0x7e, 0x7d, 0x66, 0x81, 0x6a, 0x67,
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0x80, 0x68, 0x64, 0x6c, 0x77, 0x77, 0x77, 0x61, 0x61, 0x61,
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0x71, 0x79, 0x7f, 0x73, 0x7a, 0x7b, 0x71, 0x7c, 0x6e, 0x0e,
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0x75, 0x76, 0x78, 0x6b, 0x30, 0x2f, 0x03, 0x04, 0x23, 0x2b,
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0x5a, 0x1a, 0x1c, 0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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} // End of namespace Kyra
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#endif // ENABLE_EOB
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