modal.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 NGI_MODAL_H
#define NGI_MODAL_H

#include "video/avi_decoder.h"

namespace NGI {

class PictureObject;
class Picture;
class Sound;

struct FileInfo {
    char filename[260];
    bool empty;
    char date[16];
    int fx1;
    int fx2;
    int fy1;
    int fy2;
};

class BaseModalObject {
 public:

    BaseModalObject *_parentObj;
    ObjType _objtype;

 public:
    BaseModalObject() : _parentObj(0) { _objtype = kObjTypeDefault; }
    virtual ~BaseModalObject() {}

    void deleteObject();

    virtual bool pollEvent() = 0;
    virtual bool handleMessage(ExCommand *message) = 0;
    virtual bool init(int counterdiff) = 0;
    virtual void update() = 0;

    virtual void saveload() = 0;
};

class ModalIntro : public BaseModalObject {
    int _field_8;
    int _introFlags;
    int _countDown;
    int _stillRunning;
    int _sfxVolume;

 public:
    ModalIntro();
    ~ModalIntro() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}

    void finish();
};

class ModalIntroDemo : public BaseModalObject {
    int _field_8;
    int _introFlags;
    int _countDown;
    int _stillRunning;
    int _sfxVolume;

 public:
    ModalIntroDemo();
    ~ModalIntroDemo() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}

    void finish();
};

class ModalVideoPlayer : public BaseModalObject {
public:

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override { return true; }
    bool init(int counterdiff) override { return false; }
    void update() override {}
    void saveload() override {}

    void play(const char *fname);

private:
    Video::AVIDecoder _decoder;
};

class ModalMap : public BaseModalObject {
    Scene *_mapScene;
    PictureObject *_pic;
    PictureObject *_picI03;
    PictureObject *_highlightedPic;
    bool _isRunning;
    Common::Rect _rect1;
    int _x;
    int _y;
    int _flag;
    int _mouseX;
    int _mouseY;
    int _dragX;
    int _dragY;
    int _hotSpotDelay;
    Common::Rect _rect2;

 public:
    ModalMap();
    ~ModalMap() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    virtual bool init2(int counterdiff);
    void update() override;
    void saveload() override {}

    void initMap();

private:
    PictureObject *getScenePicture(int sceneId);
    PictureObject *getSceneHPicture(PictureObject *obj);
    bool checkScenePass(PreloadItem *item);
    bool isSceneEnabled(int sceneId);

    int findMapSceneId(int picId);
    void clickButton(PictureObject *pic);
};

class ModalFinal : public BaseModalObject {
    int _flags;
    int _counter;
    int _sfxVolume;

 public:
    ModalFinal();
    ~ModalFinal() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}

    void unloadScenes();
};

class ModalCredits : public BaseModalObject {
    Scene *_sceneTitles;
    PictureObject *_creditsPic;
    bool _fadeIn;
    bool _fadeOut;
    int _countdown;
    int _sfxVolume;
    int _currX;
    int _currY;
    int _maxY;

 public:
    ModalCredits();
    ~ModalCredits() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}
};

struct MenuArea {
    int picIdL;
    PictureObject *picObjD;
    PictureObject *picObjL;
};

class ModalMainMenu : public BaseModalObject {
public:
    Scene *_scene;
    int _hoverAreaId;
    Common::Array<MenuArea> _areas;
    int _menuSliderIdx;
    int _musicSliderIdx;
    MenuArea *_lastArea;
    int _sliderOffset;
    int _mfield_34;
    Common::Rect _screct;
    int _bgX;
    int _bgY;
    int _debugKeyCount;

public:
    ModalMainMenu();
    ~ModalMainMenu() override {}

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}

private:
    bool isSaveAllowed();
    void enableDebugMenuButton();
    void setSliderPos();
    void enableDebugMenu(char c);
    int checkHover(Common::Point &point);
    void updateVolume();
    void updateSoundVolume(Sound &snd);
    void updateSliderPos();
    bool isOverArea(PictureObject *obj, Common::Point *point);
};

class ModalHelp : public BaseModalObject {
public:
    Scene *_mainMenuScene;
    Picture *_bg;
    bool _isRunning;
    Common::Rect _rect;
    int _hx;
    int _hy;

public:
    ModalHelp();
    ~ModalHelp() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}

    void launch();
};

class ModalQuery : public BaseModalObject {
public:
    ModalQuery();
    ~ModalQuery() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override {}

    bool create(Scene *sc, Scene *bgScene, int picId);
    int getQueryResult() { return _queryResult; }


private:
    Scene *_bgScene;
    PictureObject *_bg;
    PictureObject *_okBtn;
    PictureObject *_cancelBtn;
    int _queryResult;

};

class ModalSaveGame : public BaseModalObject {
public:
    ModalSaveGame();
    ~ModalSaveGame() override;

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    void update() override;
    void saveload() override;

    void processMouse(int x, int y);

    void setScene(Scene *sc);
    void setup(Scene *sc, int mode);
    void processKey(int key);

    char *getSaveName();
    bool getFileInfo(int slot, FileInfo *fileinfo);

    Common::Rect _rect;
    int _oldBgX;
    int _oldBgY;
    PictureObject *_bgr;
    PictureObject *_okD;
    PictureObject *_okL;
    PictureObject *_cancelD;
    PictureObject *_cancelL;
    PictureObject *_emptyD;
    PictureObject *_emptyL;
    PictureObject *_fullD;
    PictureObject *_fullL;
    Scene *_menuScene;
    int _mode;
    ModalQuery *_queryDlg;
    Common::Array <FileInfo> _files;
    Common::Array <PictureObject *> _arrayL;
    Common::Array <PictureObject *> _arrayD;
    int _queryRes;
};

class ModalDemo : public BaseModalObject {
    PictureObject *_bg;
    PictureObject *_button;
    PictureObject *_text;
    int _clickedQuit;
    int _countdown;
    Scene *_scene;

 public:
    ModalDemo();
    ~ModalDemo() override;

    bool launch();

    bool pollEvent() override { return true; }
    bool handleMessage(ExCommand *message) override;
    bool init(int counterdiff) override;
    bool init2(int counterdiff);
    void update() override;
    void saveload() override {}
};


} // End of namespace NGI

#endif /* NGI_MODAL_H */