cursor.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 CHEWY_CURSOR_H
#define CHEWY_CURSOR_H
 
#include "chewy/globals.h"
 
namespace Chewy {
 
struct CursorSprite {
    uint16 width;
    uint16 height;
    byte *data;
};
 
class Cursor {
public:
    Cursor();
    ~Cursor();
 
    void updateCursor();
    void showCursor();
    void hideCursor();
    bool isCursorVisible() const;
    void setAnimation(uint8 start, uint8 end, int16 delay);
    void setCustomCursor(byte *data, uint16 width, uint16 height);
    void setCustomRoomCursor(byte *roomSprite);
    void clearCustomCursor();
    void move(int16 x, int16 y);
    uint8 getAnimStart() const { return _animStart; }
 
    byte *getCursorSprite() const { return _currentCursor.data; }
    uint16 getCursorWidth() const { return _currentCursor.width; }
    uint16 getCursorHeight() const { return _currentCursor.height; }
    byte *getCursorSprite(uint num) const { return _curSprites[num].data; }
    uint16 getCursorWidth(uint num) const { return _curSprites[num].width; }
    uint16 getCursorHeight(uint num) const { return _curSprites[num].height; }
 
    void setInventoryCursor(int num) {
        _invCursor = num;
        if (num >= 0)
            setAnimation(num, num, (1 + _G(gameState).DelaySpeed) * 5);
    }
    int getInventoryCursor() const { return _invCursor; }
    bool usingInventoryCursor() const { return _invCursor >= 0; }
 
private:
    CursorSprite *_curSprites = nullptr;
    CursorSprite _customCursor;
    CursorSprite _currentCursor;
    uint32 _cursorCount = 0;
    uint32 _invCursorCount = 0;
    int _invCursor = 0;
 
    int16 _curAniCountdown = 0;
    int16 _aniCount = 0;
 
    uint8 _animStart = 0;
    uint8 _animEnd = 0;
    int16 _animDelay = 0;
};
 
} // namespace Chewy
 
#endif