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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/scummsys.h"
#include "common/config-manager.h"
#include "common/debug-channels.h"
#include "common/system.h"
#include "common/translation.h"
#include "graphics/thumbnail.h"
#include "graphics/scaler.h"
#include "gui/saveload.h"
#include "ultima/shared/early/ultima_early.h"
#include "ultima/shared/early/game.h"
#include "ultima/shared/engine/ultima.h"
#include "ultima/shared/engine/debugger.h"
#include "ultima/shared/engine/events.h"
#include "ultima/shared/engine/resources.h"
#include "ultima/shared/core/mouse_cursor.h"
#include "ultima/shared/gfx/screen.h"
#ifndef RELEASE_BUILD
#include "ultima/ultima1/game.h"
#endif
namespace Ultima {
Shared::UltimaEarlyEngine *g_vm;
namespace Shared {
UltimaEarlyEngine::UltimaEarlyEngine(OSystem *syst, const UltimaGameDescription *gameDesc) :
UltimaEngine(syst, gameDesc), _game(nullptr) {
g_vm = this;
_mouseCursor = nullptr;
_screen = nullptr;
}
UltimaEarlyEngine::~UltimaEarlyEngine() {
delete _events;
delete _game;
delete _mouseCursor;
delete _screen;
}
bool UltimaEarlyEngine::initialize() {
if (!UltimaEngine::initialize())
return false;
// Set up the resources datafile
Resources *res = new Resources();
if (!res->open()) {
GUIErrorMessage(_("Could not find correct ultima.dat datafile"));
return false;
}
SearchMan.add("ultima", res);
setDebugger(new Debugger());
_events = new EventsManager(this);
_screen = new Gfx::Screen();
// Create the game, and signal to it that the game is starting
_game = createGame();
_events->addTarget(_game);
_game->starting(false);
// Load cursors
_mouseCursor = new MouseCursor();
// If requested, load a savegame instead of showing the intro
if (ConfMan.hasKey("save_slot")) {
int saveSlot = ConfMan.getInt("save_slot");
if (saveSlot >= 0 && saveSlot <= 999)
loadGameState(saveSlot);
}
return true;
}
void UltimaEarlyEngine::deinitialize() {
UltimaEngine::deinitialize();
}
Common::Error UltimaEarlyEngine::run() {
// Initialize the engine and play the game
if (initialize())
playGame();
// Deinitialize and free the engine
deinitialize();
return Common::kNoError;
}
void UltimaEarlyEngine::playGame() {
while (!shouldQuit()) {
_events->pollEventsAndWait();
}
}
Graphics::Screen *UltimaEarlyEngine::getScreen() const {
return _screen;
}
Game *UltimaEarlyEngine::createGame() const {
switch (getGameId()) {
#ifndef RELEASE_BUILD
case GAME_ULTIMA1:
return new Ultima1::Ultima1Game();
#endif
default:
error("Unknown game");
}
}
Common::Error UltimaEarlyEngine::loadGameStream(Common::SeekableReadStream *stream) {
// Read in the game's data
Common::Serializer s(stream, nullptr);
_game->synchronize(s);
return Common::kNoError;
}
Common::Error UltimaEarlyEngine::saveGameStream(Common::WriteStream *stream, bool) {
// Write out the game's data
Common::Serializer s(nullptr, stream);
_game->synchronize(s);
return Common::kNoError;
}
bool UltimaEarlyEngine::canLoadGameStateCurrently(bool isAutosave) {
return _game->canLoadGameStateCurrently();
}
bool UltimaEarlyEngine::canSaveGameStateCurrently(bool isAutosave) {
return _game->canSaveGameStateCurrently();
}
bool UltimaEarlyEngine::isDataRequired(Common::Path &folder, int &majorVersion, int &minorVersion) {
folder = "ultima1";
majorVersion = 1;
minorVersion = 0;
return true;
}
} // End of namespace Shared
} // End of namespace Ultima
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