supernova.h

/* 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/>.
 *
 */

#ifndef SUPERNOVA_SUPERNOVA_H
#define SUPERNOVA_SUPERNOVA_H

#include "common/array.h"
#include "common/events.h"
#include "common/random.h"
#include "common/scummsys.h"
#include "engines/engine.h"
#include "common/file.h"

#include "supernova/console.h"
#include "supernova/graphics.h"
#include "supernova/msn_def.h"
#include "supernova/room.h"
#include "supernova/sound.h"
#include "supernova/imageid.h"
#include "supernova/game-manager.h"

namespace Common {
    class MemoryReadWriteStream;
}

namespace Supernova {

#define SAVEGAME_HEADER MKTAG('M','S','N','1')
#define SAVEGAME_HEADER2 MKTAG('M','S','N','2')
#define SAVEGAME_VERSION 10

#define SUPERNOVA_DAT "supernova.dat"
#define SUPERNOVA_DAT_VERSION 4

class GuiElement;
class ResourceManager;
class Sound;
class console;
class GameManager;
class GameManager1;
class Screen;

class SupernovaEngine : public Engine {
public:
    explicit SupernovaEngine(OSystem *syst);
    ~SupernovaEngine() override;

    Common::Error run() override;
    Common::Error loadGameState(int slot) override;
    bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override;
    Common::Error saveGameState(int slot, const Common::String &desc, bool isAutosave = false) override;
    bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override;
    bool hasFeature(EngineFeature f) const override;
    void pauseEngineIntern(bool pause) override;

    GameManager *_gm;
    Sound *_sound;
    ResourceManager *_resMan;
    Screen *_screen;
    bool _allowLoadGame;
    bool _allowSaveGame;
    Common::StringArray _gameStrings;
    Common::String _nullString;
    int _sleepAuoSaveVersion;
    Common::MemoryReadWriteStream* _sleepAutoSave;

    uint _delay;
    int  _textSpeed;
    char _MSPart;
    bool _improved;

    Common::Error loadGameStrings();
    void init();
    Common::String getSaveStateName(int slot) const override;
    bool loadGame(int slot);
    bool saveGame(int slot, const Common::String &description);
    bool serialize(Common::WriteStream *out);
    bool deserialize(Common::ReadStream *in, int version);
    bool quitGameDialog();
    void errorTempSave(bool saving);
    void setTextSpeed();
    const Common::String &getGameString(int idx) const;
    void setGameString(int idx, const Common::String &string);
    void showHelpScreen1();
    void showHelpScreen2();
    Common::SeekableReadStream *getBlockFromDatFile(Common::String name);
    Common::Error showTextReader(const char *extension);

    // forwarding calls
    void playSound(AudioId sample);
    void playSound(MusicId index);
    void paletteFadeIn();
    void paletteFadeOut(int minBrightness = 0);
    void paletteBrightness();
    void renderImage(int section);
    void renderImage(ImageId id, bool removeImage = false);
    bool setCurrentImage(int filenumber);
    void saveScreen(int x, int y, int width, int height);
    void saveScreen(const GuiElement &guiElement);
    void restoreScreen();
    void renderRoom(Room &room);
    void renderMessage(const char *text, MessagePosition position = kMessageNormal);
    void renderMessage(const Common::String &text, MessagePosition position = kMessageNormal);
    void renderMessage(int stringId, MessagePosition position = kMessageNormal,
                       Common::String var1 = "", Common::String var2 = "");
    void renderMessage(int stringId, int x, int y);
    void removeMessage();
    void renderText(const uint16 character);
    void renderText(const char *text);
    void renderText(const Common::String &text);
    void renderText(int stringId);
    void renderText(const uint16 character, int x, int y, byte color);
    void renderText(const char *text, int x, int y, byte color);
    void renderText(const Common::String &text, int x, int y, byte color);
    void renderText(int stringId, int x, int y, byte color);
    void renderText(const GuiElement &guiElement);
    void renderBox(int x, int y, int width, int height, byte color);
    void renderBox(const GuiElement &guiElement);
    void setColor63(byte value);
    void stopSound();
};

}

#endif