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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 "common/config-manager.h"
#include "sound/mididrv.h"
#include "sound/mixer.h"
#include "kyra/kyra.h"
#include "kyra/sound.h"
#include "kyra/resource.h"
#include "kyra/screen.h"
#include "kyra/text.h"
#include "kyra/timer.h"
#include "kyra/script.h"
namespace Kyra {
KyraEngine::KyraEngine(OSystem *system, const GameFlags &flags)
: Engine(system) {
_res = 0;
_sound = 0;
_text = 0;
_staticres = 0;
_timer = 0;
_scriptInterpreter = 0;
_flags = flags;
_gameSpeed = 60;
_tickLength = (uint8)(1000.0 / _gameSpeed);
_quitFlag = false;
_skipFlag = false;
_trackMap = 0;
_trackMapSize = 0;
_lastMusicCommand = -1;
_curSfxFile = _curMusicTheme = -1;
memset(_flagsTable, 0, sizeof(_flagsTable));
// sets up all engine specific debug levels
Common::addSpecialDebugLevel(kDebugLevelScriptFuncs, "ScriptFuncs", "Script function debug level");
Common::addSpecialDebugLevel(kDebugLevelScript, "Script", "Script interpreter debug level");
Common::addSpecialDebugLevel(kDebugLevelSprites, "Sprites", "Sprite debug level");
Common::addSpecialDebugLevel(kDebugLevelScreen, "Screen", "Screen debug level");
Common::addSpecialDebugLevel(kDebugLevelSound, "Sound", "Sound debug level");
Common::addSpecialDebugLevel(kDebugLevelAnimator, "Animator", "Animator debug level");
Common::addSpecialDebugLevel(kDebugLevelMain, "Main", "Generic debug level");
Common::addSpecialDebugLevel(kDebugLevelGUI, "GUI", "GUI debug level");
Common::addSpecialDebugLevel(kDebugLevelSequence, "Sequence", "Sequence debug level");
Common::addSpecialDebugLevel(kDebugLevelMovie, "Movie", "Movie debug level");
Common::addSpecialDebugLevel(kDebugLevelTimer, "Timer", "Timer debug level");
system->getEventManager()->registerRandomSource(_rnd, "kyra");
}
int KyraEngine::init() {
// Setup mixer
if (!_mixer->isReady())
warning("Sound initialization failed.");
_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume"));
_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, ConfMan.getInt("music_volume"));
_mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, ConfMan.getInt("speech_volume"));
// We prefer AdLib over native MIDI, since our AdLib playback code is much
// more mature than our MIDI player. For example we are missing MT-32 support
// and it seems our MIDI playback code has threading issues (see bug #1506583
// "KYRA1: Crash on exceeded polyphony" for more information).
int midiDriver = MidiDriver::detectMusicDriver(MDT_MIDI | MDT_ADLIB/* | MDT_PREFER_MIDI*/);
if (_flags.platform == Common::kPlatformFMTowns || _flags.platform == Common::kPlatformPC98) {
// TODO: currently we don't support the PC98 sound data,
// but since it has the FM-Towns data files, we just use the
// FM-Towns driver
if (_flags.gameID == GI_KYRA1)
_sound = new SoundTowns(this, _mixer);
else
_sound = new SoundTowns_v2(this, _mixer);
} else if (midiDriver == MD_ADLIB) {
_sound = new SoundAdlibPC(this, _mixer);
assert(_sound);
} else {
bool native_mt32 = ((midiDriver == MD_MT32) || ConfMan.getBool("native_mt32"));
MidiDriver *driver = MidiDriver::createMidi(midiDriver);
assert(driver);
if (native_mt32)
driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE);
SoundMidiPC *soundMidiPc = new SoundMidiPC(this, _mixer, driver);
_sound = soundMidiPc;
assert(_sound);
soundMidiPc->hasNativeMT32(native_mt32);
// Unlike some SCUMM games, it's not that the MIDI sounds are
// missing. It's just that at least at the time of writing they
// are decidedly inferior to the Adlib ones.
if (ConfMan.getBool("multi_midi")) {
SoundAdlibPC *adlib = new SoundAdlibPC(this, _mixer);
assert(adlib);
_sound = new MixedSoundDriver(this, _mixer, soundMidiPc, adlib);
assert(_sound);
}
}
_res = new Resource(this);
assert(_res);
_res->reset();
_staticres = new StaticResource(this);
assert(_staticres);
if (!_staticres->init())
error("_staticres->init() failed");
_timer = new TimerManager(this, _system);
assert(_timer);
_scriptInterpreter = new ScriptHelper(this);
assert(_scriptInterpreter);
setupOpcodeTable();
_lang = 0;
Common::Language lang = Common::parseLanguage(ConfMan.get("language"));
if (_flags.gameID == GI_KYRA2 || _flags.gameID == GI_KYRA3) {
switch (lang) {
case Common::EN_ANY:
case Common::EN_USA:
case Common::EN_GRB:
_lang = 0;
break;
case Common::FR_FRA:
_lang = 1;
break;
case Common::DE_DEU:
_lang = 2;
break;
default:
warning("unsupported language, switching back to English");
_lang = 0;
break;
}
}
return 0;
}
KyraEngine::~KyraEngine() {
delete _res;
delete _sound;
delete _text;
delete _timer;
delete _scriptInterpreter;
}
void KyraEngine::quitGame() {
debugC(9, kDebugLevelMain, "KyraEngine::quitGame()");
_quitFlag = true;
// Nothing to do here
}
Common::Point KyraEngine::getMousePos() const {
Common::Point mouse = _eventMan->getMousePos();
if (_flags.useHiResOverlay) {
mouse.x >>= 1;
mouse.y >>= 1;
}
return mouse;
}
int KyraEngine::setGameFlag(int flag) {
_flagsTable[flag >> 3] |= (1 << (flag & 7));
return 1;
}
int KyraEngine::queryGameFlag(int flag) const {
return ((_flagsTable[flag >> 3] >> (flag & 7)) & 1);
}
int KyraEngine::resetGameFlag(int flag) {
_flagsTable[flag >> 3] &= ~(1 << (flag & 7));
return 0;
}
void KyraEngine::delayUntil(uint32 timestamp, bool updateTimers, bool update, bool isMainLoop) {
while (_system->getMillis() < timestamp && !_quitFlag) {
if (timestamp - _system->getMillis() >= 10)
delay(10, update, isMainLoop);
}
}
void KyraEngine::delay(uint32 amount, bool update, bool isMainLoop) {
_system->delayMillis(amount);
}
void KyraEngine::delayWithTicks(int ticks) {
delay(ticks * _tickLength);
}
} // End of namespace Kyra
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