dialogue_menu.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 BLADERUNNER_DIALOGUE_MENU_H
#define BLADERUNNER_DIALOGUE_MENU_H

#include "bladerunner/shape.h"

#include "common/array.h"
#include "common/str.h"

#include "graphics/surface.h"

namespace BladeRunner {

class BladeRunnerEngine;
class SaveFileReadStream;
class SaveFileWriteStream;
class TextResource;

class DialogueMenu {
    static const int kMaxItems = 10;
    static const int kMaxRepeatHistory = 100;
    static const int kLineHeight = 9;
    static const int kBorderSize = 10;

    struct DialogueItem {
        Common::String text;
        int            answerValue;
        int            colorIntensity;
        int            priorityPolite;
        int            priorityNormal;
        int            prioritySurly;
        int            isDone;
    };

    BladeRunnerEngine *_vm;

    TextResource *_textResource;
    Shapes       *_shapes;
    bool          _isVisible;
    bool          _waitingForInput;
    int           _selectedItemIndex;
    int           _listSize;

    // These track whether a dialogue option
    // has previously been selected
    int           _neverRepeatListSize;
    int           _neverRepeatValues[kMaxRepeatHistory];
    bool          _neverRepeatWasSelected[kMaxRepeatHistory];

    int           _centerX;
    int           _centerY;
    int           _screenX;
    int           _screenY;
    int           _maxItemWidth;
    DialogueItem  _items[kMaxItems];

    int           _fadeInItemIndex;

public:
    DialogueMenu(BladeRunnerEngine *vm);
    ~DialogueMenu();

    void clear();

    bool loadResources();

    bool show();
    bool hide();
    bool addToList(int answer, bool done, int priorityPolite, int priorityNormal, int prioritySurly);
    bool clearNeverRepeatWasSelectedFlag(int answer); // aux function - used in cut content mode to re-use some dialogue options for different characters
    bool addToListNeverRepeatOnceSelected(int answer, int priorityPolite, int priorityNormal, int prioritySurly);
    bool removeFromList(int answer);
    bool clearList();
    int  queryInput();
    int  listSize() const;
    bool isVisible() const;
    bool isOpen() const;
    void tick(int x, int y);
    void draw(Graphics::Surface &s);

    void mouseUp();
    bool waitingForInput() const;

    void save(SaveFileWriteStream &f);
    void load(SaveFileReadStream &f);

private:
    bool showAt(int x, int y);
    int  getAnswerIndex(int answer) const;
    const char *getText(int id) const;
    void calculatePosition(int unusedX = 0, int unusedY = 0);
    void reset();

    static void darkenRect(Graphics::Surface &s, int x1, int y1, int x2, int y2);
};

} // End of namespace BladeRunner

#endif