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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 "kyra/sound_intern.h"
#include "kyra/resource.h"
#include "audio/mixer.h"
#include "audio/mods/maxtrax.h"
namespace Kyra {
SoundAmiga::SoundAmiga(KyraEngine_v1 *vm, Audio::Mixer *mixer)
: Sound(vm, mixer),
_driver(0),
_musicHandle(),
_fileLoaded(kFileNone),
_tableSfxIntro(0),
_tableSfxGame(0),
_tableSfxIntro_Size(0),
_tableSfxGame_Size(0) {
}
SoundAmiga::~SoundAmiga() {
_mixer->stopHandle(_musicHandle);
delete _driver;
}
bool SoundAmiga::init() {
_driver = new Audio::MaxTrax(_mixer->getOutputRate(), true);
_tableSfxIntro = _vm->staticres()->loadAmigaSfxTable(k1AmigaIntroSFXTable, _tableSfxIntro_Size);
_tableSfxGame = _vm->staticres()->loadAmigaSfxTable(k1AmigaGameSFXTable, _tableSfxGame_Size);
return _driver != 0 && _tableSfxIntro && _tableSfxGame;
}
void SoundAmiga::initAudioResourceInfo(int set, void *info) {
// See comment below
}
void SoundAmiga::selectAudioResourceSet(int set) {
// It seems that loadSoundFile() is doing what would normally be done in here.
// As long as this driver is only required for one single target (Kyra 1 Amiga)
// this doesn't matter much.
}
bool SoundAmiga::hasSoundFile(uint file) const {
if (file < 3)
return true;
return false;
}
void SoundAmiga::loadSoundFile(uint file) {
debugC(5, kDebugLevelSound, "SoundAmiga::loadSoundFile(%d)", file);
static const char *const tableFilenames[3][2] = {
{ "introscr.mx", "introinst.mx" },
{ "kyramusic.mx", 0 },
{ "finalescr.mx", "introinst.mx" }
};
assert(file < ARRAYSIZE(tableFilenames));
if (_fileLoaded == (FileType)file)
return;
const char *scoreName = tableFilenames[file][0];
const char *sampleName = tableFilenames[file][1];
bool loaded = false;
Common::SeekableReadStream *scoreIn = _vm->resource()->createReadStream(scoreName);
if (sampleName) {
Common::SeekableReadStream *sampleIn = _vm->resource()->createReadStream(sampleName);
if (scoreIn && sampleIn) {
_fileLoaded = kFileNone;
loaded = _driver->load(*scoreIn, true, false);
loaded = loaded && _driver->load(*sampleIn, false, true);
} else
warning("SoundAmiga: missing atleast one of those music files: %s, %s", scoreName, sampleName);
delete sampleIn;
} else {
if (scoreIn) {
_fileLoaded = kFileNone;
loaded = _driver->load(*scoreIn);
} else
warning("SoundAmiga: missing music file: %s", scoreName);
}
delete scoreIn;
if (loaded)
_fileLoaded = (FileType)file;
}
void SoundAmiga::playTrack(uint8 track) {
debugC(5, kDebugLevelSound, "SoundAmiga::playTrack(%d)", track);
static const byte tempoIntro[] = { 0x46, 0x55, 0x3C, 0x41 };
static const byte tempoFinal[] = { 0x78, 0x50 };
static const byte tempoIngame[] = {
0x64, 0x64, 0x64, 0x64, 0x64, 0x73, 0x4B, 0x64,
0x64, 0x64, 0x55, 0x9C, 0x6E, 0x91, 0x78, 0x84,
0x32, 0x64, 0x64, 0x6E, 0x3C, 0xD8, 0xAF
};
static const byte loopIngame[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01,
0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00
};
int score = -1;
bool loop = false;
byte volume = 0x40;
byte tempo = 0;
switch (_fileLoaded) {
case kFileIntro:
if (track >= 2 && track < ARRAYSIZE(tempoIntro) + 2) {
score = track - 2;
tempo = tempoIntro[score];
}
break;
case kFileGame:
if (track >= 11 && track < ARRAYSIZE(tempoIngame) + 11) {
score = track - 11;
loop = loopIngame[score] != 0;
tempo = tempoIngame[score];
}
break;
case kFileFinal:
// score 0 gets started immediately after loading the music-files with different tempo.
// we need to define a track-value for the fake call of this function
if (track >= 2 && track < ARRAYSIZE(tempoFinal) + 2) {
score = track - 2;
loop = true;
tempo = tempoFinal[score];
}
break;
default:
return;
}
if (score >= 0) {
if (_musicEnabled && _driver->playSong(score, loop)) {
_driver->setVolume(volume);
_driver->setTempo(tempo << 4);
if (!_mixer->isSoundHandleActive(_musicHandle))
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_musicHandle, _driver, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO);
}
} else if (track == 0)
_driver->stopMusic();
else if (track == 1)
beginFadeOut();
}
void SoundAmiga::haltTrack() {
debugC(5, kDebugLevelSound, "SoundAmiga::haltTrack()");
_driver->stopMusic();
}
void SoundAmiga::beginFadeOut() {
debugC(5, kDebugLevelSound, "SoundAmiga::beginFadeOut()");
for (int i = 0x3F; i >= 0; --i) {
_driver->setVolume((byte)i);
_vm->delay(_vm->tickLength());
}
_driver->stopMusic();
_vm->delay(_vm->tickLength());
_driver->setVolume(0x40);
}
void SoundAmiga::playSoundEffect(uint8 track, uint8) {
debugC(5, kDebugLevelSound, "SoundAmiga::playSoundEffect(%d)", track);
const AmigaSfxTable *sfx = 0;
bool pan = false;
switch (_fileLoaded) {
case kFileFinal:
case kFileIntro:
// We only allow playing of sound effects, which are included in the table.
if (track < _tableSfxIntro_Size) {
sfx = &_tableSfxIntro[track];
pan = (sfx->pan != 0);
}
break;
case kFileGame:
if (0x61 <= track && track <= 0x63)
playTrack(track - 0x4F);
if (track >= _tableSfxGame_Size)
return;
if (_tableSfxGame[track].note) {
sfx = &_tableSfxGame[track];
pan = (sfx->pan != 0) && (sfx->pan != 2);
}
break;
default:
return;
}
if (_sfxEnabled && sfx) {
const bool success = _driver->playNote(sfx->note, sfx->patch, sfx->duration, sfx->volume, pan);
if (success && !_mixer->isSoundHandleActive(_musicHandle))
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_musicHandle, _driver, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO);
}
}
} // End of namespace Kyra
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