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 CURSOR_H_
#define CURSOR_H_

#include "common/hashmap.h"
#include "common/rect.h"

#include "engines/myst3/gfx.h"

namespace Myst3 {

class Myst3Engine;
class Texture;

class Cursor : public Drawable {
public:
    Cursor(Myst3Engine *vm);
    virtual ~Cursor();

    void changeCursor(uint32 index);
    bool isPositionLocked() { return _lockedAtCenter; }
    void lockPosition(bool lock);

    Common::Point getPosition(bool scaled = true);
    void updatePosition(const Common::Point &mouse);

    void getDirection(float &pitch, float &heading);

    void draw() override;
    void setVisible(bool show);
    bool isVisible();
private:
    Myst3Engine *_vm;

    uint32 _currentCursorID;
    int32 _hideLevel;

    Common::Point _position;

    typedef Common::HashMap<uint32, Texture *> TextureMap;
    TextureMap _textures;

    bool _lockedAtCenter;

    void loadAvailableCursors();
    float getTransparencyForId(uint32 cursorId);
};

} // End of namespace Myst3

#endif // CURSOR_H_