mirror of
https://github.com/libretro/scummvm.git
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332 lines
8.1 KiB
C++
332 lines
8.1 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004-2005 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "base/gameDetector.h"
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#include "base/plugins.h"
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#include "backends/fs/fs.h"
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#include "sound/mixer.h"
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#include "common/file.h"
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#include "common/config-manager.h"
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#include "saga/saga.h"
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#include "saga/gfx.h"
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#include "saga/rscfile_mod.h"
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#include "saga/render.h"
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#include "saga/actor.h"
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#include "saga/animation.h"
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#include "saga/console.h"
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#include "saga/events.h"
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#include "saga/font.h"
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#include "saga/game.h"
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#include "saga/interface.h"
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#include "saga/isomap.h"
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#include "saga/script.h"
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#include "saga/scene.h"
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#include "saga/sndres.h"
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#include "saga/sprite.h"
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#include "saga/sound.h"
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#include "saga/music.h"
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#include "saga/palanim.h"
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static const GameSettings saga_games[] = {
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{"ite", "Inherit the Earth", 0},
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{"ite-demo", "Inherit the Earth (Demo)", 0},
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{"ihnm", "I Have No Mouth and I Must Scream", GF_DEFAULT_TO_1X_SCALER },
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{"ihnm-demo", "I Have No Mouth and I Must Scream (Demo)", GF_DEFAULT_TO_1X_SCALER },
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{0, 0, 0}
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};
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GameList Engine_SAGA_gameList() {
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GameList games;
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const GameSettings *g = saga_games;
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while (g->name) {
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games.push_back(*g);
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g++;
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}
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return games;
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}
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DetectedGameList Engine_SAGA_detectGames(const FSList &fslist) {
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return Saga::GAME_ProbeGame(fslist);
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}
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Engine *Engine_SAGA_create(GameDetector *detector, OSystem *syst) {
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return new Saga::SagaEngine(detector, syst);
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}
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REGISTER_PLUGIN("SAGA Engine", Engine_SAGA_gameList, Engine_SAGA_create, Engine_SAGA_detectGames)
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namespace Saga {
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#define MAX_TIME_DELTA 100
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SagaEngine *_vm = NULL;
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SagaEngine::SagaEngine(GameDetector *detector, OSystem *syst)
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: Engine(syst) {
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_console = NULL;
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// The Linux version of Inherit the Earth puts all data files in an
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// 'itedata' sub-directory, except for voices.rsc
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File::addDefaultDirectory(_gameDataPath + "itedata/");
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// The Windows version of Inherit the Earth puts various data files in
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// other subdirectories.
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File::addDefaultDirectory(_gameDataPath + "graphics/");
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File::addDefaultDirectory(_gameDataPath + "music/");
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File::addDefaultDirectory(_gameDataPath + "sound/");
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// Mac CD Wyrmkeep
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File::addDefaultDirectory(_gameDataPath + "patch/");
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// Setup mixer
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if (!_mixer->isReady()) {
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warning("Sound initialization failed.");
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}
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_mixer->setVolumeForSoundType(SoundMixer::kSFXAudioDataType, ConfMan.getInt("sfx_volume"));
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_mixer->setVolumeForSoundType(SoundMixer::kMusicAudioDataType, ConfMan.getInt("music_volume"));
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_vm = this;
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}
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SagaEngine::~SagaEngine() {
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}
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void SagaEngine::errorString(const char *buf1, char *buf2) {
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strcpy(buf2, buf1);
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}
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int SagaEngine::init(GameDetector &detector) {
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_soundEnabled = 1;
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_musicEnabled = 1;
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// Add some default directories
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// Win32 demo & full game
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File::addDefaultDirectory("graphics");
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File::addDefaultDirectory("music");
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File::addDefaultDirectory("sound");
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// Linux demo
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File::addDefaultDirectory("itedata");
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// Mac demos & full game
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File::addDefaultDirectory("patch");
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// Process command line
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// Detect game and open resource files
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if (initGame() != SUCCESS) {
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return -1;
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}
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// Initialize engine modules
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_sndRes = new SndRes(this);
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_events = new Events(this);
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_font = new Font(this);
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_sprite = new Sprite(this);
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_anim = new Anim(this);
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_script = new Script();
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_interface = new Interface(this); // requires script module
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_actor = new Actor(this);
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_palanim = new PalAnim(this);
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_scene = new Scene(this);
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if (!_scene->initialized()) {
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warning("Couldn't initialize scene module");
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// TODO/FIXME: We are leaking here
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return -1;
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}
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// System initialization
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_previousTicks = _system->getMillis();
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// Initialize graphics
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GAME_DISPLAYINFO disp_info;
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getDisplayInfo(&disp_info);
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_gfx = new Gfx(_system, disp_info.logical_w, disp_info.logical_h, detector);
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// Graphics driver should be initialized before console
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_console = new Console(this);
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// Graphics should be initialized before music
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int midiDriver = MidiDriver::detectMusicDriver(MDT_NATIVE | MDT_ADLIB | MDT_PREFER_NATIVE);
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bool native_mt32 = (ConfMan.getBool("native_mt32") || (midiDriver == MD_MT32));
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bool adlib = false;
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MidiDriver *driver = MidiDriver::createMidi(midiDriver);
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if (!driver) {
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driver = MidiDriver_ADLIB_create(_mixer);
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adlib = true;
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} else if (native_mt32)
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driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE);
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_music = new Music(_mixer, driver, _musicEnabled);
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_music->setNativeMT32(native_mt32);
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_music->setAdlib(adlib);
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if (!_musicEnabled) {
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debug(0, "Music disabled.");
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}
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_isoMap = new IsoMap(_gfx);
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_render = new Render(this, _system);
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if (!_render->initialized()) {
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// TODO/FIXME: We are leaking here
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return -1;
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}
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// Initialize system specific sound
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_sound = new Sound(this, _mixer, _soundEnabled);
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if (!_soundEnabled) {
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debug(0, "Sound disabled.");
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}
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return 0;
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}
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int SagaEngine::go() {
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int msec = 0;
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_previousTicks = _system->getMillis();
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// Begin Main Engine Loop
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_scene->startScene();
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uint32 currentTicks;
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for (;;) {
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if (_console->isAttached())
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_console->onFrame();
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if (_render->getFlags() & RF_RENDERPAUSE) {
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// Freeze time while paused
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_previousTicks = _system->getMillis();
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} else {
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currentTicks = _system->getMillis();
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// Timer has rolled over after 49 days
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if (currentTicks < _previousTicks)
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msec = 0;
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else {
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msec = currentTicks - _previousTicks;
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_previousTicks = currentTicks;
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}
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if (msec > MAX_TIME_DELTA) {
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msec = MAX_TIME_DELTA;
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}
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if (!_vm->_scene->isInDemo() && _gameType == GType_ITE)
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if (_vm->_interface->getMode() == kPanelMain ||
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_vm->_interface->getMode() == kPanelConverse ||
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_vm->_interface->getMode() == kPanelNull)
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_actor->direct(msec);
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_events->handleEvents(msec);
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_script->executeThreads(msec);
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}
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// Per frame processing
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_render->drawScene();
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_system->delayMillis(10);
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}
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return 0;
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}
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void SagaEngine::shutdown() {
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delete _scene;
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delete _actor;
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delete _script;
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delete _sprite;
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delete _font;
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delete _console;
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delete _events;
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delete _palanim;
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delete _interface;
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delete _render;
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delete _isoMap;
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delete _sndRes;
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// Shutdown system modules */
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delete _music;
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delete _sound;
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delete _anim;
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_system->quit();
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}
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void SagaEngine::loadStrings(StringsTable &stringsTable, const byte *stringsPointer, size_t stringsLength) {
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uint16 stringsCount;
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uint16 i;
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size_t offset;
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stringsTable.stringsPointer = (byte*)malloc(stringsLength);
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memcpy(stringsTable.stringsPointer, stringsPointer, stringsLength);
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MemoryReadStreamEndian scriptS(stringsTable.stringsPointer, stringsLength, IS_BIG_ENDIAN);
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offset = scriptS.readUint16();
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if (offset > stringsLength) {
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error("Invalid string offset");
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}
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stringsCount = offset / 2;
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stringsTable.stringsCount = stringsCount;
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stringsTable.strings = (const char **)malloc(stringsCount * sizeof(const char *));
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if (stringsTable.strings == NULL) {
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error("No enough memory for strings Table");
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}
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scriptS.seek(0);
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for (i = 0; i < stringsCount; i++) {
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offset = scriptS.readUint16();
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if (offset > stringsLength) {
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error("invalid string offset");
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}
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stringsTable.strings[i] = (const char *)stringsTable.stringsPointer + offset;
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}
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}
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const char *SagaEngine::getObjectName(uint16 objectId) {
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switch (objectIdType(objectId)) {
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case kGameObjectActor:
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return _actor->getActorName(objectId);
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break;
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}
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//todo: object name & etc
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return NULL;
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}
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} // End of namespace Saga
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