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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005-2006 The ScummVM project
*
* 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/stdafx.h"
#include "common/config-manager.h"
#include "common/system.h"
#include "common/savefile.h"
#include "lure/luredefs.h"
#include "lure/surface.h"
#include "lure/lure.h"
#include "lure/intro.h"
#include "lure/game.h"
namespace Lure {
static LureEngine *int_engine = NULL;
LureEngine::LureEngine(OSystem *system): Engine(system) {
Common::addSpecialDebugLevel(kLureDebugScripts, "scripts", "Scripts debugging");
Common::addSpecialDebugLevel(kLureDebugAnimations, "animations", "Animations debugging");
Common::addSpecialDebugLevel(kLureDebugHotspots, "hotspots", "Hotspots debugging");
// 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"));
*/
_features = 0;
_game = 0;
}
int LureEngine::init() {
_system->beginGFXTransaction();
initCommonGFX(false);
_system->initSize(FULL_SCREEN_WIDTH, FULL_SCREEN_HEIGHT);
_system->endGFXTransaction();
detectGame();
_disk = new Disk();
_resources = new Resources();
_strings = new StringData();
_screen = new Screen(*_system);
_mouse = new Mouse();
_events = new Events();
_menu = new Menu();
Surface::initialise();
_room = new Room();
int_engine = this;
return 0;
}
LureEngine::~LureEngine() {
// Remove all of our debug levels here
Common::clearAllSpecialDebugLevels();
// Delete and deinitialise subsystems
Surface::deinitialise();
delete _room;
delete _menu;
delete _events;
delete _mouse;
delete _screen;
delete _strings;
delete _resources;
delete _disk;
}
LureEngine &LureEngine::getReference() {
return *int_engine;
}
int LureEngine::go() {
if (ConfMan.getInt("boot_param") == 0) {
// Show the introduction
Introduction *intro = new Introduction(*_screen, *_system);
intro->show();
delete intro;
}
// Play the game
if (!_events->quitFlag) {
// Play the game
Game *gameInstance = new Game();
gameInstance->execute();
delete gameInstance;
}
//quitGame();
return 0;
}
void LureEngine::quitGame() {
_system->quit();
}
const char *LureEngine::generateSaveName(int slotNumber) {
static char buffer[15];
sprintf(buffer, "lure.%.3d", slotNumber);
return buffer;
}
bool LureEngine::saveGame(uint8 slotNumber, Common::String &caption) {
Common::WriteStream *f = this->_saveFileMan->openForSaving(
generateSaveName(slotNumber));
if (f == NULL) {
warning("saveGame: Failed to save slot %d", slotNumber);
return false;
}
f->write("lure", 5);
f->writeByte(_language);
f->writeByte(LURE_DAT_MINOR);
f->writeString(caption);
f->writeByte(0); // End of string terminator
Resources::getReference().saveToStream(f);
Room::getReference().saveToStream(f);
delete f;
return true;
}
#define FAILED_MSG "loadGame: Failed to load slot %d"
bool LureEngine::loadGame(uint8 slotNumber) {
Common::ReadStream *f = this->_saveFileMan->openForLoading(
generateSaveName(slotNumber));
if (f == NULL) {
warning(FAILED_MSG, slotNumber);
return false;
}
// Check for header
char buffer[5];
f->read(buffer, 5);
if (memcmp(buffer, "lure", 5) != 0)
{
warning(FAILED_MSG, slotNumber);
delete f;
return false;
}
// Check language version
uint8 language = f->readByte();
uint8 version = f->readByte();
if ((language != _language) || (version != LURE_DAT_MINOR))
{
warning("loadGame: Failed to load slot %d - incorrect version", slotNumber);
delete f;
return false;
}
// Read in and discard the savegame caption
while (f->readByte() != 0) ;
// Load in the data
Resources::getReference().loadFromStream(f);
Room::getReference().loadFromStream(f);
delete f;
return true;
}
Common::String *LureEngine::detectSave(int slotNumber) {
Common::ReadStream *f = this->_saveFileMan->openForLoading(
generateSaveName(slotNumber));
if (f == NULL) return NULL;
Common::String *result = NULL;
// Check for header
char buffer[5];
f->read(&buffer[0], 5);
if (memcmp(&buffer[0], "lure", 5) == 0) {
// Check language version
uint8 language = f->readByte();
uint8 version = f->readByte();
if ((language == _language) && (version == LURE_DAT_MINOR)) {
// Read in the savegame title
char saveName[MAX_DESC_SIZE];
char *p = saveName;
int decCtr = MAX_DESC_SIZE - 1;
while ((decCtr > 0) && ((*p++ = f->readByte()) != 0)) --decCtr;
*p = '\0';
result = new Common::String(saveName);
}
}
delete f;
return result;
}
} // End of namespace Lure
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