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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.
*
* $URL$
* $Id$
*
*/
#include "kyra/sound_intern.h"
#include "kyra/resource.h"
#include "common/system.h"
#include "common/config-manager.h"
#include "gui/message.h"
namespace Kyra {
class MidiOutput : public MidiDriver {
public:
MidiOutput(OSystem *system, MidiDriver *output, bool isMT32, bool defaultMT32);
~MidiOutput();
void setSourceVolume(int source, int volume, bool apply=false);
void initSource(int source);
void deinitSource(int source);
void stopNotesOnChannel(int channel);
void setSoundSource(int source) { _curSource = source; }
void send(uint32 b);
void sysEx(const byte *msg, uint16 length);
void metaEvent(byte type, byte *data, uint16 length);
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { _output->setTimerCallback(timerParam, timerProc); }
uint32 getBaseTempo() { return _output->getBaseTempo(); }
// DUMMY
int open() { return 0; }
void close() {}
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
private:
void sendIntern(const byte event, const byte channel, byte param1, const byte param2);
void sendSysEx(const byte p1, const byte p2, const byte p3, const byte *buffer, const int size);
OSystem *_system;
MidiDriver *_output;
bool _isMT32;
bool _defaultMT32;
struct Controller {
byte controller;
byte value;
};
enum {
kChannelLocked = 0x80,
kChannelProtected = 0x40
};
struct Channel {
byte flags;
byte program;
int16 pitchWheel;
byte noteCount;
Controller controllers[9];
} _channels[16];
int lockChannel();
void unlockChannel(int channel);
int _curSource;
struct SoundSource {
int volume;
int8 channelMap[16];
byte channelProgram[16];
int16 channelPW[16];
Controller controllers[16][9];
struct Note {
byte channel;
byte note;
};
Note notes[32];
} _sources[4];
};
MidiOutput::MidiOutput(OSystem *system, MidiDriver *output, bool isMT32, bool defaultMT32) : _system(system), _output(output) {
_isMT32 = isMT32;
_defaultMT32 = defaultMT32;
int ret = _output->open();
if (ret != MidiDriver::MERR_ALREADY_OPEN && ret != 0)
error("Couldn't open midi driver");
static const Controller defaultControllers[] = {
{ 0x07, 0x7F }, { 0x01, 0x00 }, { 0x0A, 0x40 },
{ 0x0B, 0x7F }, { 0x40, 0x00 }, { 0x72, 0x00 },
{ 0x6E, 0x00 }, { 0x6F, 0x00 }, { 0x70, 0x00 }
};
static const byte defaultPrograms[] = {
0x44, 0x30, 0x5F, 0x4E, 0x29, 0x03, 0x6E, 0x7A, 0xFF
};
static const byte sysEx1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
static const byte sysEx2[] = { 3, 4, 3, 4, 3, 4, 3, 4, 4 };
static const byte sysEx3[] = { 0, 3, 2 };
sendSysEx(0x7F, 0x00, 0x00, sysEx1, 1);
sendSysEx(0x10, 0x00, 0x0D, sysEx1, 9);
sendSysEx(0x10, 0x00, 0x04, sysEx2, 9);
sendSysEx(0x10, 0x00, 0x01, sysEx3, 3);
memset(_channels, 0, sizeof(_channels));
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 9; ++j)
_channels[i].controllers[j] = defaultControllers[j];
_channels[i].pitchWheel = -1;
_channels[i].program = 0xFF;
}
for (int i = 0; i < 9; ++i) {
for (int j = 1; j <= 9; ++j)
sendIntern(0xB0, j, defaultControllers[i].controller, defaultControllers[i].value);
}
for (int i = 1; i <= 9; ++i) {
sendIntern(0xE0, i, 0x00, 0x40);
if (defaultPrograms[i - 1] != 0xFF)
sendIntern(0xC0, i, defaultPrograms[i - 1], 0x00);
}
for (int i = 0; i < 4; ++i) {
_sources[i].volume = 256;
initSource(i);
}
}
MidiOutput::~MidiOutput() {
_output->close();
delete _output;
}
void MidiOutput::send(uint32 b) {
const byte event = b & 0xF0;
const byte channel = b & 0x0F;
byte param1 = (b >> 8) & 0xFF;
byte param2 = (b >> 16) & 0xFF;
if (event == 0xE0) { // Pitch-Wheel
_channels[channel].pitchWheel =
_sources[_curSource].channelPW[channel] = (param2 << 8) | param1;
} else if (event == 0xC0) { // Program change
_channels[channel].program =
_sources[_curSource].channelProgram[channel] = param1;
} else if (event == 0xB0) { // Controller change
for (int i = 0; i < 9; ++i) {
Controller &cont = _sources[_curSource].controllers[channel][i];
if (cont.controller == param1) {
cont.value = param2;
break;
}
}
if (param1 == 0x07) {
param2 = (param2 * _sources[_curSource].volume) >> 8;
} else if (param1 == 0x6E) { // Lock Channel
if (param2 >= 0x40) { // Lock Channel
int chan = lockChannel();
if (chan < 0)
chan = channel;
_sources[_curSource].channelMap[channel] = chan;
} else { // Unlock Channel
stopNotesOnChannel(channel);
unlockChannel(_sources[_curSource].channelMap[channel]);
_sources[_curSource].channelMap[channel] = channel;
}
} else if (param1 == 0x6F) { // Protect Channel
if (param2 >= 0x40) { // Protect Channel
_channels[channel].flags |= kChannelProtected;
} else { // Unprotect Channel
_channels[channel].flags &= ~kChannelProtected;
}
} else if (param1 == 0x7B) { // All notes off
// FIXME: Since the XMIDI parsers sends this
// on track change, we simply ignore it.
return;
}
} else if (event == 0x90 || event == 0x80) { // Note On/Off
if (!(_channels[channel].flags & kChannelLocked)) {
const bool remove = (event == 0x80) || (param2 == 0x00);
int note = -1;
for (int i = 0; i < 32; ++i) {
if (remove) {
if (_sources[_curSource].notes[i].channel == channel &&
_sources[_curSource].notes[i].note == param1) {
note = i;
break;
}
} else {
if (_sources[_curSource].notes[i].channel == 0xFF) {
note = i;
break;
}
}
}
if (note != -1) {
if (remove) {
_sources[_curSource].notes[note].channel = 0xFF;
--_channels[_sources[_curSource].channelMap[channel]].noteCount;
} else {
_sources[_curSource].notes[note].channel = channel;
_sources[_curSource].notes[note].note = param1;
++_channels[_sources[_curSource].channelMap[channel]].noteCount;
}
sendIntern(event, _sources[_curSource].channelMap[channel], param1, param2);
}
}
return;
}
if (!(_channels[channel].flags & kChannelLocked))
sendIntern(event, _sources[_curSource].channelMap[channel], param1, param2);
}
void MidiOutput::sendIntern(const byte event, const byte channel, byte param1, const byte param2) {
if (event == 0xC0) {
// MT32 -> GM conversion
if (!_isMT32 && _defaultMT32)
param1 = _mt32ToGm[param1];
}
_output->send(event | channel, param1, param2);
}
void MidiOutput::sysEx(const byte *msg, uint16 length) {
// Wait the time it takes to send the SysEx data
uint32 delay = (length + 2) * 1000 / 3125;
// Plus an additional delay for the MT-32 rev00
if (_isMT32)
delay += 40;
_output->sysEx(msg, length);
_system->delayMillis(delay);
}
void MidiOutput::sendSysEx(const byte p1, const byte p2, const byte p3, const byte *buffer, const int size) {
int bufferSize = 8 + size;
byte *outBuffer = new byte[bufferSize];
assert(outBuffer);
outBuffer[0] = 0x41;
outBuffer[1] = 0x10;
outBuffer[2] = 0x16;
outBuffer[3] = 0x12;
outBuffer[4] = p1;
outBuffer[5] = p2;
outBuffer[6] = p3;
memcpy(outBuffer + 7, buffer, size);
uint16 checkSum = p1 + p2 + p3;
for (int i = 0; i < size; ++i)
checkSum += buffer[i];
checkSum &= 0x7F;
checkSum -= 0x80;
checkSum = -checkSum;
checkSum &= 0x7F;
outBuffer[7+size] = checkSum;
sysEx(outBuffer, bufferSize);
delete[] outBuffer;
}
void MidiOutput::metaEvent(byte type, byte *data, uint16 length) {
if (type == 0x2F) // End of Track
deinitSource(_curSource);
_output->metaEvent(type, data, length);
}
void MidiOutput::setSourceVolume(int source, int volume, bool apply) {
_sources[source].volume = volume;
if (apply) {
for (int i = 0; i < 16; ++i) {
// Controller 0 in the state table should always be '7' aka
// volume control
byte realVol = (_channels[i].controllers[0].value * volume) >> 8;
sendIntern(0xB0, i, 0x07, realVol);
}
}
}
void MidiOutput::initSource(int source) {
memset(_sources[source].notes, -1, sizeof(_sources[source].notes));
for (int i = 0; i < 16; ++i) {
_sources[source].channelMap[i] = i;
_sources[source].channelProgram[i] = 0xFF;
_sources[source].channelPW[i] = -1;
for (int j = 0; j < 9; ++j)
_sources[source].controllers[i][j] = _channels[i].controllers[j];
}
}
void MidiOutput::deinitSource(int source) {
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 9; ++j) {
const Controller &cont = _sources[source].controllers[i][j];
if (cont.controller == 0x40) {
if (cont.value >= 0x40)
sendIntern(0xB0, i, 0x40, 0);
} else if (cont.controller == 0x6E) {
if (cont.value >= 0x40) {
stopNotesOnChannel(i);
unlockChannel(_sources[source].channelMap[i]);
_sources[source].channelMap[i] = i;
}
} else if (cont.controller == 0x6F) {
if (cont.value >= 0x40)
_channels[i].flags &= ~kChannelProtected;
} else if (cont.controller == 0x70) {
if (cont.value >= 0x40)
sendIntern(0xB0, i, 0x70, 0);
}
}
}
}
int MidiOutput::lockChannel() {
int channel = -1;
int notes = 0xFF;
byte flags = kChannelLocked | kChannelProtected;
while (channel == -1) {
for (int i = _isMT32 ? 8 : 15; i >= 1; --i) {
if (_channels[i].flags & flags)
continue;
if (_channels[i].noteCount < notes) {
channel = i;
notes = _channels[i].noteCount;
}
}
if (channel == -1) {
if (flags & kChannelProtected)
flags &= ~kChannelProtected;
else
break;
}
}
if (channel == -1)
return -1;
sendIntern(0xB0, channel, 0x40, 0);
stopNotesOnChannel(channel);
_channels[channel].noteCount = 0;
_channels[channel].flags |= kChannelLocked;
return channel;
}
void MidiOutput::unlockChannel(int channel) {
if (!(_channels[channel].flags & kChannelLocked))
return;
_channels[channel].flags &= ~kChannelLocked;
_channels[channel].noteCount = 0;
sendIntern(0xB0, channel, 0x40, 0);
sendIntern(0xB0, channel, 0x7B, 0);
for (int i = 0; i < 9; ++i) {
if (_channels[channel].controllers[i].value != 0xFF)
sendIntern(0xB0, channel, _channels[channel].controllers[i].controller, _channels[channel].controllers[i].value);
}
if (_channels[channel].program != 0xFF)
sendIntern(0xC0, channel, _channels[channel].program, 0);
if (_channels[channel].pitchWheel != -1)
sendIntern(0xE0, channel, _channels[channel].pitchWheel & 0xFF, (_channels[channel].pitchWheel >> 8) & 0xFF);
}
void MidiOutput::stopNotesOnChannel(int channel) {
for (int i = 0; i < 4; ++i) {
SoundSource &sound = _sources[i];
for (int j = 0; j < 32; ++j) {
if (sound.notes[j].channel == channel) {
sound.notes[j].channel = 0xFF;
sendIntern(0x80, sound.channelMap[channel], sound.notes[j].note, 0);
--_channels[sound.channelMap[channel]].noteCount;
}
}
}
}
#pragma mark -
SoundMidiPC::SoundMidiPC(KyraEngine_v1 *vm, Audio::Mixer *mixer, MidiDriver *driver, kType type) : Sound(vm, mixer) {
_driver = driver;
_output = 0;
_musicFile = _sfxFile = 0;
_music = MidiParser::createParser_XMIDI();
assert(_music);
for (int i = 0; i < 3; ++i) {
_sfx[i] = MidiParser::createParser_XMIDI();
assert(_sfx[i]);
}
_musicVolume = _sfxVolume = 0;
_fadeMusicOut = false;
_type = type;
assert(_type == kMidiMT32 || _type == kMidiGM || _type == kPCSpkr);
// Only General MIDI isn't a Roland MT-32 MIDI implemenation,
// even the PC Speaker driver is a Roland MT-32 based MIDI implementation.
// Thus we set "_nativeMT32" for all types except Gerneral MIDI to true.
_nativeMT32 = (_type != kMidiGM);
// KYRA1 does not include any General MIDI tracks, thus we have
// to overwrite the internal type with MT32 to get the correct
// file extension.
if (_vm->game() == GI_KYRA1 && _type == kMidiGM)
_type = kMidiMT32;
// Display a warning about possibly wrong sound when the user only has
// a General MIDI device, but the game is setup to use Roland MT32 MIDI.
// (This will only happen in The Legend of Kyrandia 1 though, all other
// supported games include special General MIDI tracks).
if (_type == kMidiMT32 && !_nativeMT32) {
::GUI::MessageDialog dialog("You appear to be using a General MIDI device,\n"
"but your game only supports Roland MT32 MIDI.\n"
"We try to map the Roland MT32 instruments to\n"
"General MIDI ones. After all it might happen\n"
"that a few tracks will not be correctly played.");
dialog.runModal();
}
}
SoundMidiPC::~SoundMidiPC() {
Common::StackLock lock(_mutex);
_output->setTimerCallback(0, 0);
delete _music;
for (int i = 0; i < 3; ++i)
delete _sfx[i];
delete _output; // This automatically frees _driver (!)
if (_musicFile != _sfxFile)
delete[] _sfxFile;
delete[] _musicFile;
}
bool SoundMidiPC::init() {
_output = new MidiOutput(_vm->_system, _driver, _nativeMT32, (_type != kMidiGM));
assert(_output);
updateVolumeSettings();
_music->setMidiDriver(_output);
_music->setTempo(_output->getBaseTempo());
_music->setTimerRate(_output->getBaseTempo());
for (int i = 0; i < 3; ++i) {
_sfx[i]->setMidiDriver(_output);
_sfx[i]->setTempo(_output->getBaseTempo());
_sfx[i]->setTimerRate(_output->getBaseTempo());
}
_output->setTimerCallback(this, SoundMidiPC::onTimer);
if (_nativeMT32 && _type == kMidiMT32) {
const char *midiFile = 0;
const char *pakFile = 0;
if (_vm->gameFlags().gameID == GI_KYRA1) {
midiFile = "INTRO";
} else if (_vm->gameFlags().gameID == GI_KYRA2) {
midiFile = "HOF_SYX";
pakFile = "AUDIO.PAK";
} else if (_vm->gameFlags().gameID == GI_LOL) {
midiFile = "LOREINTR";
if (_vm->gameFlags().isDemo) {
if (_vm->gameFlags().useAltShapeHeader) {
// Intro demo
pakFile = "INTROVOC.PAK";
// HACK: To prevent "Exc. Buffer overflow"
// we delay some time here.
_vm->_system->delayMillis(1000);
} else {
// Kyra2 SEQ player based demo
pakFile = "GENERAL.PAK";
midiFile = "LOLSYSEX";
}
} else {
if (_vm->gameFlags().isTalkie)
pakFile = "ENG/STARTUP.PAK";
else
pakFile = "INTROVOC.PAK";
}
}
if (!midiFile)
return true;
if (pakFile)
_vm->resource()->loadPakFile(pakFile);
loadSoundFile(midiFile);
playTrack(0);
Common::Event event;
while (isPlaying() && !_vm->shouldQuit()) {
_vm->_system->updateScreen();
_vm->_eventMan->pollEvent(event);
_vm->_system->delayMillis(10);
}
if (pakFile)
_vm->resource()->unloadPakFile(pakFile);
}
return true;
}
void SoundMidiPC::updateVolumeSettings() {
Common::StackLock lock(_mutex);
if (!_output)
return;
int newMusVol = ConfMan.getInt("music_volume");
_sfxVolume = ConfMan.getInt("sfx_volume");
_output->setSourceVolume(0, newMusVol, newMusVol != _musicVolume);
_musicVolume = newMusVol;
for (int i = 1; i < 4; ++i)
_output->setSourceVolume(i, _sfxVolume, false);
}
void SoundMidiPC::loadSoundFile(uint file) {
loadSoundFile(fileListEntry(file));
}
void SoundMidiPC::loadSoundFile(Common::String file) {
Common::StackLock lock(_mutex);
file = getFileName(file);
if (_mFileName == file)
return;
if (!_vm->resource()->exists(file.c_str()))
return;
// When loading a new file we stopp all notes
// still running on our own, just to prevent
// glitches
for (int i = 0; i < 16; ++i)
_output->stopNotesOnChannel(i);
delete[] _musicFile;
uint32 fileSize = 0;
_musicFile = _vm->resource()->fileData(file.c_str(), &fileSize);
_mFileName = file;
_output->setSoundSource(0);
_music->loadMusic(_musicFile, fileSize);
_music->stopPlaying();
// Since KYRA1 uses the same file for SFX and Music
// we setup sfx to play from music file as well
if (_vm->gameFlags().gameID == GI_KYRA1) {
for (int i = 0; i < 3; ++i) {
_output->setSoundSource(i+1);
_sfx[i]->loadMusic(_musicFile, fileSize);
_sfx[i]->stopPlaying();
}
}
}
void SoundMidiPC::loadSfxFile(Common::String file) {
Common::StackLock lock(_mutex);
// Kyrandia 1 doesn't use a special sfx file
if (_vm->gameFlags().gameID == GI_KYRA1)
return;
file = getFileName(file);
if (_sFileName == file)
return;
if (!_vm->resource()->exists(file.c_str()))
return;
delete[] _sfxFile;
uint32 fileSize = 0;
_sfxFile = _vm->resource()->fileData(file.c_str(), &fileSize);
_sFileName = file;
for (int i = 0; i < 3; ++i) {
_output->setSoundSource(i+1);
_sfx[i]->loadMusic(_sfxFile, fileSize);
_sfx[i]->stopPlaying();
}
}
void SoundMidiPC::playTrack(uint8 track) {
if (!_musicEnabled)
return;
haltTrack();
Common::StackLock lock(_mutex);
_fadeMusicOut = false;
_output->setSourceVolume(0, _musicVolume, true);
_output->initSource(0);
_output->setSourceVolume(0, _musicVolume, true);
_music->setTrack(track);
}
void SoundMidiPC::haltTrack() {
Common::StackLock lock(_mutex);
_output->setSoundSource(0);
_music->stopPlaying();
_output->deinitSource(0);
}
bool SoundMidiPC::isPlaying() {
Common::StackLock lock(_mutex);
return _music->isPlaying();
}
void SoundMidiPC::playSoundEffect(uint8 track) {
if (!_sfxEnabled)
return;
Common::StackLock lock(_mutex);
for (int i = 0; i < 3; ++i) {
if (!_sfx[i]->isPlaying()) {
_output->initSource(i+1);
_sfx[i]->setTrack(track);
return;
}
}
}
void SoundMidiPC::stopAllSoundEffects() {
Common::StackLock lock(_mutex);
for (int i = 0; i < 3; ++i) {
_output->setSoundSource(i+1);
_sfx[i]->stopPlaying();
_output->deinitSource(i+1);
}
}
void SoundMidiPC::beginFadeOut() {
Common::StackLock lock(_mutex);
_fadeMusicOut = true;
_fadeStartTime = _vm->_system->getMillis();
}
void SoundMidiPC::onTimer(void *data) {
SoundMidiPC *midi = (SoundMidiPC *)data;
Common::StackLock lock(midi->_mutex);
if (midi->_fadeMusicOut) {
static const uint32 musicFadeTime = 1 * 1000;
if (midi->_fadeStartTime + musicFadeTime > midi->_vm->_system->getMillis()) {
int volume = (byte)((musicFadeTime - (midi->_vm->_system->getMillis() - midi->_fadeStartTime)) * midi->_musicVolume / musicFadeTime);
midi->_output->setSourceVolume(0, volume, true);
} else {
for (int i = 0; i < 16; ++i)
midi->_output->stopNotesOnChannel(i);
for (int i = 0; i < 4; ++i)
midi->_output->deinitSource(i);
midi->_output->setSoundSource(0);
midi->_music->stopPlaying();
for (int i = 0; i < 3; ++i) {
midi->_output->setSoundSource(i+1);
midi->_sfx[i]->stopPlaying();
}
midi->_output->setSourceVolume(0, midi->_musicVolume, true);
midi->_fadeMusicOut = false;
}
}
midi->_output->setSoundSource(0);
midi->_music->onTimer();
for (int i = 0; i < 3; ++i) {
midi->_output->setSoundSource(i+1);
midi->_sfx[i]->onTimer();
}
}
Common::String SoundMidiPC::getFileName(const Common::String &str) {
Common::String file = str;
if (_type == kMidiMT32)
file += ".XMI";
else if (_type == kMidiGM)
file += ".C55";
else if (_type == kPCSpkr)
file += ".PCS";
if (_vm->resource()->exists(file.c_str()))
return file;
return str + ".XMI";
}
} // End of namespace Kyra
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