qdengine.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 QDENGINE_H
#define QDENGINE_H

#include "common/error.h"
#include "common/random.h"
#include "common/serializer.h"
#include "engines/engine.h"
#include "graphics/pixelformat.h"

#include "qdengine/qd_fwd.h"
#include "qdengine/parser/qdscr_parser.h"
#include "qdengine/qdcore/qd_screen_text.h"

struct ADGameDescription;

namespace Graphics {
class Screen;
}

namespace QDEngine {

struct QDEngineGameDescription;
class grDispatcher;
class qdGameDispatcher;

enum QDEngineDebugChannels {
    kDebugGraphics = 1,
    kDebugImGui,
    kDebugInput,
    kDebugLoad,
    kDebugLog,
    kDebugSave,
    kDebugSound,
    kDebugTemp,
    kDebugQuant,
    kDebugMinigames,
    kDebugMovement,
    kDebugText,
    kDebug16BppMode,
};

enum {
    GF_BROKEN_VIDEOS = 1
};

class QDEngineEngine : public Engine {
private:
    const ADGameDescription *_gameDescription;
    Common::RandomSource _randomSource;

    grDispatcher *_grD = nullptr;
    qdGameDispatcher *_gameD = nullptr;

protected:
    // Engine APIs
    Common::Error run() override;

public:
    Graphics::Screen *_screen = nullptr;
    Graphics::PixelFormat _pixelformat;
    int _tagMap[QDSCR_MAX_KEYWORD_ID];

    int _screenW;
    int _screenH;

    bool _forceFullRedraw = false;

public:
    QDEngineEngine(OSystem *syst, const ADGameDescription *gameDesc);
    ~QDEngineEngine() override;

    uint32 getFeatures() const;
    Common::Language getLanguage() const;

    Common::String getGameId() const;
    Common::String getTargetName() const { return _targetName; }

    const char *getExeName() const;

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

    void setSeed(uint32 seed) {
        _randomSource.setSeed(seed);
    }

    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;
    }

    Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;
    Common::Error loadGameStream(Common::SeekableReadStream *stream) override;

    void syncSoundSettings() override;

    int engineMain();

    const Vect2i &screen_offset() {
        return _screen_offset;
    }
    void set_screen_offset(const Vect2i &offset) {
        _screen_offset = offset;
    }

public:
    int _thumbSizeX = 0, _thumbSizeY = 0;
    bool _debugDraw = false;
    bool _debugDrawGrid = false;
    bool _debugDrawPath = false;
    int _gameVersion = 0;

    Vect2i _screen_offset = Vect2i(0, 0);
    grScreenRegion _fps_region = grScreenRegion_EMPTY;
    grScreenRegion _fps_region_last = grScreenRegion_EMPTY;
    Std::vector<qdGameObject *> _visible_objects;

    // Default text format
    qdScreenTextFormat _default_format;
    // Global format
    qdScreenTextFormat _global_text_format;
    // Global format for dialog topics
    qdScreenTextFormat _global_topic_format;

private:
    void init_graphics();
};

extern QDEngineEngine *g_engine;
#define SHOULD_QUIT ::QDEngine::g_engine->shouldQuit()

} // namespace QDEngine

byte *transCyrillic(const Common::String &str);

#endif // QDENGINE_H