fool.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 FOOL_H
#define FOOL_H

#include "common/scummsys.h"
#include "common/system.h"
#include "common/error.h"
#include "common/fs.h"
#include "common/random.h"
#include "common/serializer.h"
#include "common/util.h"
#include "engines/engine.h"
#include "graphics/macgui/macwindowmanager.h"

#include "fool/detection.h"

#define SCREEN_WIDTH 0x200
#define SCREEN_HEIGHT 0x156
#define MENU_HEIGHT 0x14
#define SCREEN_PAGE_SIZE (SCREEN_WIDTH*SCREEN_HEIGHT/8) // 0x5580

namespace Fool {

struct FoolGameDescription;

enum FoolVersion {
    kFool11 = 1,
    kFool20 = 2,
    kFool30 = 4,
    kFoolDemo10 = 8,
};

class FoolEngine : public Engine {
private:
    const FOOLGameDescription *_gameDescription;
    Common::RandomSource _randomSource;
protected:
    // Engine APIs
    Common::Error run() override;

public:
    Graphics::ManagedSurface _screen;
    Graphics::MacWindowManager *_wm = nullptr;

    FoolEngine(OSystem *syst, const FOOLGameDescription *gameDesc);
    ~FoolEngine() override;

    uint32 getFeatures() const;

    Common::String getGameId() const;

    uint32 getRandomNumber(uint maxNum) {
        return _randomSource.getRandomNumber(maxNum);
    }

    bool hasFeature(EngineFeature f) const override {
        return
            (f == kSupportsLoadingDuringRuntime) ||
            (f == kSupportsSavingDuringRuntime) ||
            (f == kSupportsReturnToLauncher);
    };

    bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override {
        return true;
    }
    bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override {
        return true;
    }

    const Common::String getTarget() {
        return _targetName;
    }

    Common::Error syncGame(Common::Serializer &s);

    Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override {
        Common::Serializer s(nullptr, stream);
        return syncGame(s);
    }
    Common::Error loadGameStream(Common::SeekableReadStream *stream) override {
        Common::Serializer s(stream, nullptr);
        return syncGame(s);
    }
};

extern FoolEngine *g_engine;
#define SHOULD_QUIT ::Fool::g_engine->shouldQuit()

} // End of namespace Fool

#endif // FOOL_H