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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "saga.h"
#include "reinherit.h"
#include "yslib.h"
#include "music.h"
#include "rscfile_mod.h"
#include "game_mod.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "common/config-manager.h"
#include "common/file.h"
namespace Saga {
// Instrument mapping for MT32 tracks emulated under GM.
static const byte mt32_to_gm[128] = {
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117 // 7x
};
MusicPlayer::MusicPlayer(MidiDriver *driver) : _driver(driver), _looping(false), _isPlaying(false) {
memset(_channel, 0, sizeof(_channel));
this->open();
}
MusicPlayer::~MusicPlayer() {
_driver->setTimerCallback(NULL, NULL);
_parser->unloadMusic();
this->close();
}
void MusicPlayer::setVolume(int volume) {
if (volume < 0)
volume = 0;
else if (volume > 255)
volume = 255;
if (_masterVolume == volume)
return;
_masterVolume = volume;
for (int i = 0; i < 16; ++i) {
if (_channel[i]) {
_channel[i]->volume(_channelVolume[i] * _masterVolume / 255);
}
}
}
int MusicPlayer::open() {
// Don't ever call open without first setting the output driver!
if (!_driver)
return 255;
int ret = _driver->open();
if (ret)
return ret;
_driver->setTimerCallback(this, &onTimer);
return 0;
}
void MusicPlayer::close() {
stopMusic();
if (_driver)
_driver->close();
_driver = 0;
}
void MusicPlayer::send(uint32 b) {
byte channel = (byte)(b & 0x0F);
if ((b & 0xFFF0) == 0x07B0) {
// Adjust volume changes by master volume
byte volume = (byte)((b >> 16) & 0x7F);
_channelVolume[channel] = volume;
volume = volume * _masterVolume / 255;
b = (b & 0xFF00FFFF) | (volume << 16);
} else if ((b & 0xF0) == 0xC0 && !_isGM && !_nativeMT32) {
b = (b & 0xFFFF00FF) | mt32_to_gm[(b >> 8) & 0xFF] << 8;
}
else if ((b & 0xFFF0) == 0x007BB0) {
//Only respond to All Notes Off if this channel
//has currently been allocated
if (_channel[b & 0x0F])
return;
}
if (!_channel[channel])
_channel[channel] = (channel == 9) ? _driver->getPercussionChannel() : _driver->allocateChannel();
if (_channel[channel])
_channel[channel]->send(b);
}
void MusicPlayer::metaEvent(byte type, byte *data, uint16 length) {
//Only thing we care about is End of Track.
if (type != 0x2F)
return;
if (_looping)
_parser->jumpToTick(0);
else
stopMusic();
}
void MusicPlayer::onTimer(void *refCon) {
MusicPlayer *music = (MusicPlayer *)refCon;
if (music->_isPlaying)
music->_parser->onTimer();
}
void MusicPlayer::playMusic() {
_isPlaying = true;
}
void MusicPlayer::stopMusic() {
_isPlaying = false;
_parser->unloadMusic();
}
Music::Music(MidiDriver *driver, int enabled) : _enabled(enabled) {
_player = new MusicPlayer(driver);
_musicInitialized = 1;
}
Music::~Music() {
delete _player;
}
int Music::play(uint32 music_rn, uint16 flags) {
R_RSCFILE_CONTEXT *rsc_ctxt = NULL;
const char *midi_file;
byte *resource_data;
size_t resource_size;
if (!_musicInitialized) {
return R_FAILURE;
}
if (!_enabled) {
return R_SUCCESS;
}
// The Wyrmkeep release of Inherit The Earth uses external MIDI files
// FIXME: This mapping is incomplete
switch (music_rn) {
#if 0
case XXX:
midi_file = "bcexpl";
break;
case XXX:
midi_file = "birdchrp";
break;
case XXX:
midi_file = "boargtnt";
break;
case XXX:
midi_file = "boarking";
break;
case XXX:
midi_file = "brutalmt";
break;
case XXX:
midi_file = "catfest";
break;
#endif
case 9:
midi_file = "cave";
break;
#if 0
case XXX:
midi_file = "damexplm";
break;
case XXX:
midi_file = "darkclaw";
break;
case XXX:
midi_file = "elkfanfare";
break;
case XXX:
midi_file = "elkhall";
break;
case XXX:
midi_file = "explorea";
break;
case XXX:
midi_file = "exploreb";
break;
case XXX:
midi_file = "explorec";
break;
case XXX:
midi_file = "fvillage";
break;
case XXX:
midi_file = "humruinm";
break;
#endif
case 10:
midi_file = "intro";
break;
#if 0
case XXX:
midi_file = "kitten";
break;
case XXX:
midi_file = "mouse";
break;
case XXX:
midi_file = "nitstrlm";
break;
case XXX:
midi_file = "orbtempl";
break;
case XXX:
midi_file = "reset";
break;
case XXX:
midi_file = "shiala";
break;
case XXX:
midi_file = "spooky";
break;
case XXX:
midi_file = "sunstatm";
break;
case XXX:
midi_file = "sweet";
break;
case XXX:
midi_file = "tychom";
break;
#endif
default:
midi_file = NULL;
break;
}
File f_midi;
MidiParser *parser;
if (midi_file) {
char file_name[20];
sprintf(file_name, "music/%s.mid", midi_file);
if (!f_midi.open(file_name))
midi_file = NULL;
}
// FIXME: Is resource_data ever freed?
if (midi_file) {
debug(0, "Using external MIDI file: %s.mid", midi_file);
resource_size = f_midi.size();
resource_data = (byte *) malloc(resource_size);
f_midi.read(resource_data, resource_size);
f_midi.close();
_player->setGM(true);
parser = MidiParser::createParser_SMF();
} else {
/* Load XMI resource data */
GAME_GetFileContext(&rsc_ctxt, R_GAME_RESOURCEFILE, 0);
if (RSC_LoadResource(rsc_ctxt, music_rn, &resource_data,
&resource_size) != R_SUCCESS ) {
warning("SYSMUSIC_Play(): Resource load failed: %u", music_rn);
return R_FAILURE;
}
_player->setGM(false);
parser = MidiParser::createParser_XMIDI();
}
if (!parser->loadMusic(resource_data, resource_size)) {
warning("Error reading track!");
delete parser;
parser = 0;
}
debug(0, "Music::play(%d, %d)", music_rn, flags);
parser->setTrack(0);
parser->setMidiDriver(_player);
parser->setTimerRate(_player->getBaseTempo());
_player->_parser = parser;
_player->setVolume(ConfMan.getInt("music_volume") * ConfMan.getInt("master_volume") / 255);
_player->playMusic();
return R_SUCCESS;
}
int Music::pause(void) {
if (!_musicInitialized) {
return R_FAILURE;
}
return R_SUCCESS;
}
int Music::resume(void) {
if (!_musicInitialized) {
return R_FAILURE;
}
return R_SUCCESS;
}
int Music::stop(void) {
if (!_musicInitialized) {
return R_FAILURE;
}
return R_SUCCESS;
}
} // End of namespace Saga
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