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 GROOVIE_CURSOR_H
#define GROOVIE_CURSOR_H

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

namespace Common {
class MacResManager;
}

namespace Groovie {

class Cursor {
public:
    virtual ~Cursor() {}
    uint16 getFrames() { return _numFrames; }
    virtual void enable() = 0;
    virtual void showFrame(uint16 frame) = 0;

protected:
    uint16 _width;
    uint16 _height;
    uint16 _hotspotX;
    uint16 _hotspotY;
    uint16 _numFrames;
};

class GrvCursorMan {
public:
    GrvCursorMan(OSystem *system);
    virtual ~GrvCursorMan();

    virtual void show(bool visible);
    virtual void animate();
    virtual void setStyle(uint16 newStyle);
    virtual uint16 getStyle();

protected:
    OSystem *_syst;

    // Animation variables
    uint8 _lastFrame;
    uint32 _lastTime;

    // Styles
    Common::Array<Cursor *> _cursors;
    uint16 _current;
    Cursor *_cursor;
};

class GrvCursorMan_t7g : public GrvCursorMan {
public:
    GrvCursorMan_t7g(OSystem *system, Common::MacResManager *macResFork = 0);
    ~GrvCursorMan_t7g() override;

private:
    // Styles data
    static const uint _cursorImg[];
    static const uint _cursorPal[];

    // Cursors data
    Common::Array<byte *> _images;
    Common::Array<byte *> _palettes;

    // Loading functions
    byte *loadImage(Common::SeekableReadStream &file);
    byte *loadPalette(Common::SeekableReadStream &file);
};

class GrvCursorMan_v2 : public GrvCursorMan {
public:
    GrvCursorMan_v2(OSystem *system);
    ~GrvCursorMan_v2() override;

    void animate() override;
    void setStyle(uint16 newStyle) override;

private:
    Cursor *_cursor2;
    uint8 _lastFrame2;
};

} // End of Groovie namespace

#endif // GROOVIE_CURSOR_H