dialogs.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 MADS_DIALOGS_H
#define MADS_DIALOGS_H

#include "common/scummsys.h"
#include "mads/core/game.h"
#include "mads/core/font.h"
#include "mads/core/msurface.h"

namespace MADS {

#define DIALOG_TOP 22
#define POPUP_CENTER 0x8000

class RexNebularEngine;

class Dialog {
private:
    void setDialogPalette();
protected:
    RexNebularEngine *_vm;
    MSurface *_savedSurface;
    Common::Point _position;
    int _width;
    int _height;
    byte _dialogPalette[8 * 3];

    int TEXTDIALOG_CONTENT1;
    int TEXTDIALOG_CONTENT2;
    int TEXTDIALOG_EDGE;
    int TEXTDIALOG_BACKGROUND;
    int TEXTDIALOG_FC;
    int TEXTDIALOG_FD;
    int TEXTDIALOG_FE;
    int TEXTDIALOG_BLACK;
protected:
    virtual void draw();

    virtual void calculateBounds();

    virtual void save();

    virtual void restore();

    void drawContent(const Common::Rect &r, int seed, byte color1, byte color2);
public:
    Dialog(RexNebularEngine *vm);

    virtual ~Dialog();

    Common::Rect getBounds() const {
        return Common::Rect(_position.x, _position.y,
            _position.x + _width, _position.y + _height);
    }
};

#define TEXT_DIALOG_MAX_LINES 20

class TextDialog : protected Dialog {
private:
    void appendLine(const Common::String &line);

    void restorePalette();

    void init(int maxTextChars);
protected:
    Font *_font;
    int _innerWidth;
    int _lineWidth;
    int _currentX;
    int _numLines;
    int _lineSize;
    int _askXp;
    int _askLineNum;
    Common::String _lines[TEXT_DIALOG_MAX_LINES];
    int _lineXp[TEXT_DIALOG_MAX_LINES];
    SpriteAsset *_edgeSeries;
    MSurface *_portrait;
    int _piecesPerCenter;
    int _fontSpacing;

    void calculateBounds() override;
public:
    TextDialog(RexNebularEngine *vm, const Common::String &fontName,
        const Common::Point &pos, int maxChars);

    TextDialog(RexNebularEngine *vm, const Common::String &fontName, const Common::Point &pos,
        MSurface *portrait, int maxTextChars);

    ~TextDialog() override;

    void draw() override;

    void drawWithInput();

    void addLine(const Common::String &line, bool underline = false);

    void wordWrap(const Common::String &line);

    void incNumLines();

    void addInput();

    void addBarLine();

    void underlineLine();

    void downPixelLine();

    void setLineXp(int xp);

    int estimatePieces(int maxLen);

    virtual void show();
};

class MessageDialog : public TextDialog {
public:
    MessageDialog(RexNebularEngine *vm, int lines, ...);

    ~MessageDialog() override {}
};

enum DialogId {
    DIALOG_NONE = 0, DIALOG_GAME_MENU = 1, DIALOG_SAVE = 2, DIALOG_RESTORE = 3,
    DIALOG_OPTIONS = 4, DIALOG_DIFFICULTY = 5, DIALOG_ERROR = 6,
    DIALOG_MAIN_MENU = 7, DIALOG_TEXTVIEW = 8, DIALOG_ANIMVIEW = 9,
    DIALOG_ADVERT = 10
};

class Dialogs {
protected:
    RexNebularEngine *_vm;

    Dialogs(RexNebularEngine *vm);
public:
    static Dialogs *init(RexNebularEngine *vm);
public:
    Common::Point _defaultPosition;
    DialogId _pendingDialog;
    int _indexList[10];

    virtual ~Dialogs() {}

    virtual void showDialog() = 0;
    virtual void showItem(int objectId, int messageId, int speech = 0) = 0;
    virtual Common::String getVocab(int vocabId) = 0;
    virtual bool show(int messageId, int objectId = -1) = 0;

    virtual void spinObject(int idx) { warning("TODO: spinObject"); }
};

class FullScreenDialog: public EventTarget {
protected:
    RexNebularEngine *_vm;

    int _screenId;

    bool _palFlag;

    virtual void display();
public:
    FullScreenDialog(RexNebularEngine *vm);

    ~FullScreenDialog() override;
};

} // namespace MADS

#endif /* MADS_DIALOGS_H */