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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.
*
*/
/*
* This code is based on original Mortville Manor DOS source code
* Copyright (c) 1987-1989 Lankhor
*/
#include "mortevielle/mortevielle.h"
#include "mortevielle/dialogs.h"
#include "mortevielle/menu.h"
#include "mortevielle/mouse.h"
#include "mortevielle/outtext.h"
#include "mortevielle/saveload.h"
#include "mortevielle/outtext.h"
#include "common/system.h"
#include "common/config-manager.h"
#include "common/debug-channels.h"
#include "engines/util.h"
#include "engines/engine.h"
#include "graphics/palette.h"
#include "graphics/pixelformat.h"
namespace Mortevielle {
MortevielleEngine *g_vm;
MortevielleEngine::MortevielleEngine(OSystem *system, const MortevielleGameDescription *gameDesc):
Engine(system), _gameDescription(gameDesc), _randomSource("mortevielle") {
g_vm = this;
_debugger.setParent(this);
_dialogManager.setParent(this);
_screenSurface.setParent(this);
_mouse = new MouseHandler(this);
_text = new TextHandler(this);
_soundManager = new SoundManager(this, _mixer);
_savegameManager.setParent(this);
_menu = new Menu(this);
_lastGameFrame = 0;
_mouseClick = false;
_inMainGameLoop = false;
_quitGame = false;
_pauseStartTime = -1;
_roomPresenceLuc = false;
_roomPresenceIda = false;
_purpleRoomPresenceLeo = false;
_roomPresenceGuy = false;
_roomPresenceEva = false;
_roomPresenceMax = false;
_roomPresenceBob = false;
_roomPresencePat = false;
_toiletsPresenceBobMax = false;
_bathRoomPresenceBobMax = false;
_juliaRoomPresenceLeo = false;
_soundOff = false;
_largestClearScreen = false;
_hiddenHero = false;
_heroSearching = false;
_keyPressedEsc = false;
_reloadCFIEC = false;
_blo = false;
_col = false;
_syn = false;
_obpart = false;
_destinationOk = false;
_anyone = false;
_uptodatePresence = false;
_textColor = 0;
_place = -1;
_x26KeyCount = -1;
_caff = -1;
_day = 0;
_curPict = nullptr;
_curAnim = nullptr;
_rightFramePict = nullptr;
}
MortevielleEngine::~MortevielleEngine() {
delete _menu;
delete _soundManager;
delete _text;
delete _mouse;
free(_curPict);
free(_curAnim);
free(_rightFramePict);
}
/**
* Specifies whether the engine supports given features
*/
bool MortevielleEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime);
}
/**
* Return true if a game can currently be loaded
*/
bool MortevielleEngine::canLoadGameStateCurrently() {
// Saving is only allowed in the main game event loop
return _inMainGameLoop;
}
/**
* Return true if a game can currently be saved
*/
bool MortevielleEngine::canSaveGameStateCurrently() {
// Loading is only allowed in the main game event loop
return _inMainGameLoop;
}
/**
* Load in a savegame at the specified slot number
*/
Common::Error MortevielleEngine::loadGameState(int slot) {
return _savegameManager.loadGame(slot);
}
/**
* Save the current game
*/
Common::Error MortevielleEngine::saveGameState(int slot, const Common::String &desc) {
if (slot == 0)
return Common::kWritingFailed;
return _savegameManager.saveGame(slot, desc);
}
/**
* Support method that generates a savegame name
* @param slot Slot number
*/
Common::String MortevielleEngine::generateSaveFilename(const Common::String &target, int slot) {
if (slot == 0)
// Initial game state loaded when the game starts
return "sav0.mor";
return Common::String::format("%s.%03d", target.c_str(), slot);
}
/**
* Pause the game.
*/
void MortevielleEngine::pauseEngineIntern(bool pause) {
Engine::pauseEngineIntern(pause);
if (pause) {
if (_pauseStartTime == -1)
_pauseStartTime = readclock();
} else {
if (_pauseStartTime != -1) {
int pauseEndTime = readclock();
_currentTime += (pauseEndTime - _pauseStartTime);
if (_uptodatePresence)
_startTime += (pauseEndTime - _pauseStartTime);
}
_pauseStartTime = -1;
}
}
/**
* Initialize the game state
*/
Common::ErrorCode MortevielleEngine::initialize() {
// Initialize graphics mode
initGraphics(SCREEN_WIDTH, SCREEN_HEIGHT, true);
// Set debug channels
DebugMan.addDebugChannel(kMortevielleCore, "core", "Core debugging");
DebugMan.addDebugChannel(kMortevielleGraphics, "graphics", "Graphics debugging");
// Set up an intermediate screen surface
_screenSurface.create(SCREEN_WIDTH, SCREEN_HEIGHT, Graphics::PixelFormat::createFormatCLUT8());
_txxFileFl = false;
// Load texts from TXX files
loadTexts();
// Load the mort.dat resource
Common::ErrorCode result = loadMortDat();
if (result != Common::kNoError) {
_screenSurface.free();
return result;
}
// Load some error messages (was previously in chartex())
_hintPctMessage = getString(580); // You should have noticed %d hints
// Set default EGA palette
_paletteManager.setDefaultPalette();
// Setup the mouse cursor
initMouse();
loadPalette();
loadCFIPH();
loadCFIEC();
decodeNumber(&_cfiecBuffer[161 * 16], (_cfiecBufferSize - (161 * 16)) / 64);
_x26KeyCount = 1;
initMaxAnswer();
initMouse();
loadPlaces();
_soundOff = false;
_largestClearScreen = false;
testKeyboard();
showConfigScreen();
testKeyboard();
clearScreen();
_soundManager->loadNoise();
_soundManager->loadAmbiantSounds();
return Common::kNoError;
}
/**
* Loads the contents of the mort.dat data file
*/
Common::ErrorCode MortevielleEngine::loadMortDat() {
Common::File f;
// Open the mort.dat file
if (!f.open(MORT_DAT)) {
GUIErrorMessage("Could not locate 'mort.dat'.");
return Common::kReadingFailed;
}
// Validate the data file header
char fileId[4];
f.read(fileId, 4);
if (strncmp(fileId, "MORT", 4) != 0) {
GUIErrorMessage("The located mort.dat data file is invalid");
return Common::kReadingFailed;
}
// Check the version
if (f.readByte() < MORT_DAT_REQUIRED_VERSION) {
GUIErrorMessage("The located mort.dat data file is too old, please download an updated version on scummvm.org");
return Common::kReadingFailed;
}
f.readByte(); // Minor version
// Loop to load resources from the data file
while (f.pos() < f.size()) {
// Get the Id and size of the next resource
char dataType[4];
int dataSize;
f.read(dataType, 4);
dataSize = f.readUint16LE();
if (!strncmp(dataType, "FONT", 4)) {
// Font resource
_screenSurface.readFontData(f, dataSize);
} else if (!strncmp(dataType, "SSTR", 4)) {
readStaticStrings(f, dataSize, kStaticStrings);
} else if ((!strncmp(dataType, "GSTR", 4)) && (!_txxFileFl)) {
readStaticStrings(f, dataSize, kGameStrings);
} else if (!strncmp(dataType, "VERB", 4)) {
_menu->readVerbNums(f, dataSize);
} else {
// Unknown section
f.skip(dataSize);
}
}
// Close the file
f.close();
assert(_engineStrings.size() > 0);
return Common::kNoError;
}
/**
* Read in a static strings block, and if the language matches, load up the static strings
*/
void MortevielleEngine::readStaticStrings(Common::File &f, int dataSize, DataType dataType) {
// Figure out what language Id is needed
byte desiredLanguageId;
switch(getLanguage()) {
case Common::EN_ANY:
desiredLanguageId = MORTDAT_LANG_ENGLISH;
break;
case Common::FR_FRA:
desiredLanguageId = MORTDAT_LANG_FRENCH;
break;
case Common::DE_DEU:
desiredLanguageId = MORTDAT_LANG_GERMAN;
break;
default:
warning("Language not supported, switching to English");
desiredLanguageId = MORTDAT_LANG_ENGLISH;
break;
}
// Read in the language
byte languageId = f.readByte();
--dataSize;
// If the language isn't correct, then skip the entire block
if (languageId != desiredLanguageId) {
f.skip(dataSize);
return;
}
// Load in each of the strings
while (dataSize > 0) {
Common::String s;
char ch;
while ((ch = (char)f.readByte()) != '\0')
s += ch;
if (dataType == kStaticStrings)
_engineStrings.push_back(s);
else if (dataType == kGameStrings)
_gameStrings.push_back(s);
dataSize -= s.size() + 1;
}
assert(dataSize == 0);
}
/*-------------------------------------------------------------------------*/
Common::Error MortevielleEngine::run() {
// Initialize the game
Common::ErrorCode err = initialize();
if (err != Common::kNoError)
return err;
// Check for a savegame
int loadSlot = 0;
if (ConfMan.hasKey("save_slot")) {
int gameToLoad = ConfMan.getInt("save_slot");
if ((gameToLoad >= 1) && (gameToLoad <= 999))
loadSlot = gameToLoad;
}
if (loadSlot == 0)
// Show the game introduction
showIntroduction();
else {
_caff = 51;
_text->taffich();
}
// Either load the initial game state savegame, or the specified savegame number
adzon();
resetVariables();
if (loadSlot != 0)
_savegameManager.loadSavegame(generateSaveFilename(loadSlot));
// Run the main game loop
mainGame();
// Cleanup (allocated in initialize())
_screenSurface.free();
free(_soundManager->_cfiphBuffer);
free(_cfiecBuffer);
return Common::kNoError;
}
/**
* Show the game introduction
*/
void MortevielleEngine::showIntroduction() {
_dialogManager.displayIntroScreen(false);
_dialogManager.checkForF8(142, false);
if (shouldQuit())
return;
_dialogManager.displayIntroFrame2();
_dialogManager.checkForF8(143, true);
if (shouldQuit())
return;
showTitleScreen();
music();
_mixer->stopAll();
}
/**
* Main game loop. Handles potentially playing the game multiple times, such as if the player
* loses, and chooses to start playing the game again.
*/
void MortevielleEngine::mainGame() {
if (_reloadCFIEC)
loadCFIEC();
for (_crep = 1; _crep <= _x26KeyCount; ++_crep)
decodeNumber(&_cfiecBuffer[161 * 16], (_cfiecBufferSize - (161 * 16)) / 64);
_menu->initMenu();
charToHour();
initGame();
clearScreen();
drawRightFrame();
_mouse->showMouse();
// Loop to play the game
do {
playGame();
if (shouldQuit())
return;
} while (!_quitGame);
}
/**
* This method handles playing a loaded game
* @remarks Originally called tjouer
*/
void MortevielleEngine::playGame() {
gameLoaded();
// Loop handling actions until the game has to be quit, or show the lose or end sequence
do {
handleAction();
if (shouldQuit())
return;
} while (!((_quitGame) || (_endGame) || (_loseGame)));
if (_endGame)
endGame();
else if (_loseGame)
askRestart();
}
} // End of namespace Mortevielle
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