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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 "startrek/sound.h"
#include "common/file.h"
#include "common/macresman.h"
#include "audio/audiostream.h"
#include "audio/decoders/raw.h"
#include "audio/decoders/voc.h"
#include "audio/mods/protracker.h"
namespace StarTrek {
// Main Sound Functions
Sound::Sound(StarTrekEngine *vm) : _vm(vm) {
_midiDevice = MT_AUTO;
_midiDriver = nullptr;
_loopingMidiTrack = false;
if (_vm->getPlatform() == Common::kPlatformDOS || _vm->getPlatform() == Common::kPlatformMacintosh) {
_midiDevice = MidiDriver::detectDevice(MDT_PCSPK | MDT_ADLIB | MDT_MIDI | MDT_PREFER_MT32);
_midiDriver = MidiDriver::createMidi(_midiDevice);
_midiDriver->open();
_midiDriver->setTimerCallback(this, Sound::midiDriverCallback);
for (int i = 0; i < NUM_MIDI_SLOTS; i++) {
_midiSlots[i].slot = i;
_midiSlots[i].track = -1;
// The main PC versions use XMIDI. ST25 Demo and Macintosh versions use SMF.
if ((_vm->getGameType() == GType_ST25 && _vm->getFeatures() & GF_DEMO) || _vm->getPlatform() == Common::kPlatformMacintosh)
_midiSlots[i].midiParser = MidiParser::createParser_SMF();
else
_midiSlots[i].midiParser = MidiParser::createParser_XMIDI();
_midiSlots[i].midiParser->setMidiDriver(_midiDriver);
_midiSlots[i].midiParser->setTimerRate(_midiDriver->getBaseTempo());
}
}
_soundHandle = new Audio::SoundHandle();
loadedSoundData = nullptr;
for (int i = 1; i < NUM_MIDI_SLOTS; i++) {
_midiSlotList.push_back(&_midiSlots[i]);
}
if (!(_vm->getFeatures() & GF_CDROM))
_vm->_sfxWorking = false;
else if (!SearchMan.hasFile("voc/speech.mrk")) {
warning("Couldn't find 'voc/speech.mrk'. The 'trekcd/voc/' directory should be dumped from the CD. Continuing without CD audio");
_vm->_sfxWorking = false;
}
_playingSpeech = false;
}
Sound::~Sound() {
for (int i = 0; i < NUM_MIDI_SLOTS; i++)
delete _midiSlots[i].midiParser;
delete _midiDriver;
delete _soundHandle;
delete[] loadedSoundData;
}
void Sound::clearAllMidiSlots() {
for (int i = 0; i < NUM_MIDI_SLOTS; i++) {
clearMidiSlot(i);
}
}
void Sound::playMidiTrack(int track) {
if (!_vm->_musicEnabled || !_vm->_musicWorking)
return;
assert(loadedSoundData != nullptr);
// Check if a midi slot for this track exists already
for (int i = 1; i < NUM_MIDI_SLOTS; i++) {
if (_midiSlots[i].track == track) {
debugC(6, kDebugSound, "Playing MIDI track %d (slot %d)", track, i);
_midiSlots[i].midiParser->loadMusic(loadedSoundData, sizeof(loadedSoundData));
_midiSlots[i].midiParser->setTrack(track);
// Shift this to the back (most recently used)
_midiSlotList.remove(&_midiSlots[i]);
_midiSlotList.push_back(&_midiSlots[i]);
return;
}
}
// Take the least recently used slot and use that for the sound effect
MidiPlaybackSlot *slot = _midiSlotList.front();
_midiSlotList.pop_front();
_midiSlotList.push_back(slot);
playMidiTrackInSlot(slot->slot, track);
}
void Sound::playMidiTrackInSlot(int slot, int track) {
assert(loadedSoundData != nullptr);
debugC(6, kDebugSound, "Playing MIDI track %d (slot %d)", track, slot);
clearMidiSlot(slot);
if (track != -1) {
_midiSlots[slot].track = track;
_midiSlots[slot].midiParser->loadMusic(loadedSoundData, sizeof(loadedSoundData));
_midiSlots[slot].midiParser->setTrack(track);
}
}
bool Sound::isMidiPlaying() {
if (!_vm->_musicWorking)
return false;
for (int i = 0; i < NUM_MIDI_SLOTS; i++) {
if (_midiSlots[i].midiParser->isPlaying())
return true;
}
return false;
}
void Sound::loadMusicFile(const Common::String &baseSoundName) {
clearAllMidiSlots();
if (baseSoundName == _loadedMidiFilename)
return;
_loadedMidiFilename = baseSoundName;
/*
if (_vm->getPlatform() == Common::kPlatformAmiga)
playAmigaSound(baseSoundName);
else if (_vm->getPlatform() == Common::kPlatformMacintosh)
playMacSMFSound(baseSoundName);
else if (_vm->getFeatures() & GF_DEMO)
playSMFSound(baseSoundName);
else
*/
loadPCMusicFile(baseSoundName);
}
void Sound::playMidiMusicTracks(int startTrack, int loopTrack) {
if (!_vm->_musicWorking || !_vm->_musicEnabled)
return;
if (loopTrack == -3)
_loopingMidiTrack = startTrack;
else if (loopTrack != -2)
_loopingMidiTrack = loopTrack;
if (startTrack != -2 && _vm->_musicEnabled)
playMidiTrackInSlot(0, startTrack);
}
/**
* TODO: original game had some caching of loaded voc files.
*/
void Sound::playVoc(const Common::String &baseSoundName) {
/*
if (_vm->getPlatform() == Common::kPlatformAmiga)
playAmigaSoundEffect(baseSoundName);
else if (_vm->getPlatform() == Common::kPlatformMacintosh)
playMacSoundEffect(baseSoundName);
else
*/
bool loop = false;
if (baseSoundName.size() == 8 && baseSoundName.hasSuffixIgnoreCase("loop")) {
_loopingAudioName = baseSoundName;
loop = true;
}
if (!_vm->_sfxEnabled || !_vm->_sfxWorking)
return;
/*
// This is probably just driver initialization stuff...
if (word_5113a == 0)
sub_2aaa3();
*/
for (int i = 0; i < MAX_SFX_PLAYING; i++) {
if (_vm->_system->getMixer()->isSoundHandleActive(_sfxHandles[i]))
continue;
Common::String soundName = Common::String("voc/sfx/") + baseSoundName + ".voc";
Common::SeekableReadStream *readStream = SearchMan.createReadStreamForMember(soundName);
if (readStream == nullptr)
error("Couldn't open '%s'", soundName.c_str());
debugC(5, kDebugSound, "Playing sound effect '%s'", soundName.c_str());
Audio::RewindableAudioStream *srcStream = Audio::makeVOCStream(readStream, Audio::FLAG_UNSIGNED, DisposeAfterUse::YES);
Audio::AudioStream *audioStream;
if (loop)
audioStream = new Audio::LoopingAudioStream(srcStream, 0, DisposeAfterUse::YES);
else
audioStream = srcStream;
_vm->_system->getMixer()->playStream(Audio::Mixer::kSFXSoundType, &_sfxHandles[i], audioStream);
return;
}
debugC(3, kDebugSound, "No sound slot to play '%s'", baseSoundName.c_str());
}
void Sound::playSpeech(const Common::String &basename) {
stopPlayingSpeech();
Audio::QueuingAudioStream *audioQueue = nullptr;
Common::String name = basename;
// Play a list of comma-separated audio files in sequence (usually there's only one)
while (!name.empty()) {
uint i = 0;
while (i < name.size() && name[i] != ',') {
if (name[i] == '\\')
name.setChar('/', i);
i++;
}
Common::String filename = "voc/" + Common::String(name.c_str(), name.c_str() + i) + ".voc";
debugC(5, kDebugSound, "Playing speech '%s'", filename.c_str());
Common::SeekableReadStream *readStream = SearchMan.createReadStreamForMember(filename);
if (readStream == nullptr)
error("Couldn't open '%s'", filename.c_str());
Audio::AudioStream *audioStream = Audio::makeVOCStream(readStream, Audio::FLAG_UNSIGNED, DisposeAfterUse::YES);
if (audioStream != nullptr) {
if (audioQueue == nullptr)
audioQueue = Audio::makeQueuingAudioStream(audioStream->getRate(), audioStream->isStereo());
audioQueue->queueAudioStream(audioStream, DisposeAfterUse::YES);
}
name.erase(0, i + 1);
}
if (audioQueue != nullptr) {
audioQueue->finish();
_vm->_system->getMixer()->playStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, audioQueue);
_playingSpeech = true;
}
}
void Sound::stopAllVocSounds() {
stopPlayingSpeech();
for (int i = 0; i < MAX_SFX_PLAYING; i++) {
_vm->_system->getMixer()->stopHandle(_sfxHandles[i]);
}
}
void Sound::stopPlayingSpeech() {
if (_playingSpeech) {
debugC(5, kDebugSound, "Canceled speech playback");
_playingSpeech = false;
_vm->_system->getMixer()->stopHandle(_speechHandle);
}
}
void Sound::setMusicEnabled(bool enable) {
if (!_vm->_musicWorking || _vm->_musicEnabled == enable)
return;
_vm->_musicEnabled = enable;
if (enable)
playMidiMusicTracks(_loopingMidiTrack, _loopingMidiTrack);
else
clearMidiSlot(0);
}
void Sound::setSfxEnabled(bool enable) {
if (!_vm->_sfxWorking || _vm->_sfxEnabled == enable)
return;
_vm->_sfxEnabled = enable;
if (!enable) {
for (int i = 1; i < NUM_MIDI_SLOTS; i++)
clearMidiSlot(i);
}
if (!enable) {
stopAllVocSounds();
} else if (!_loopingAudioName.empty()) {
playVoc(_loopingAudioName);
}
}
void Sound::checkLoopMusic() {
// TODO
// It might be better to get rid of this altogether and deal with it in callbacks...
}
// XMIDI or SM sound
void Sound::loadPCMusicFile(const Common::String &baseSoundName) {
Common::String soundName = baseSoundName;
soundName += '.';
switch (MidiDriver::getMusicType(_midiDevice)) {
case MT_MT32:
if (_vm->getFeatures() & GF_DEMO)
soundName += "ROL";
else
soundName += "MT";
break;
case MT_PCSPK:
if (_vm->getFeatures() & GF_DEMO)
return; // Not supported...
else
soundName += "PC";
break;
default:
if (_vm->getFeatures() & GF_DEMO)
soundName += "ADL";
else
soundName += "AD";
break;
}
debugC(5, kDebugSound, "Loading midi \'%s\'\n", soundName.c_str());
FileStream soundStream = _vm->loadFile(soundName.c_str());
if (loadedSoundData != nullptr)
delete[] loadedSoundData;
loadedSoundData = new byte[soundStream->size()];
soundStream->read(loadedSoundData, soundStream->size());
// FIXME: should music start playing when this is called?
//_midiSlots[0].midiParser->loadMusic(loadedSoundData, soundStream->size());
}
void Sound::clearMidiSlot(int slot) {
_midiSlots[slot].midiParser->stopPlaying();
_midiSlots[slot].midiParser->unloadMusic();
_midiSlots[slot].track = -1;
}
// Static callback method
void Sound::midiDriverCallback(void *data) {
Sound *s = (Sound *)data;
for (int i = 0; i < NUM_MIDI_SLOTS; i++)
s->_midiSlots[i].midiParser->onTimer();
// TODO: put this somewhere other than the midi callback...
if (s->_playingSpeech && !s->_vm->_system->getMixer()->isSoundHandleActive(s->_speechHandle)) {
s->stopPlayingSpeech();
s->_vm->_finishedPlayingSpeech = true;
}
}
} // End of namespace StarTrek
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