qd_game_object_mouse.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 QDENGINE_QDCORE_QD_GAME_OBJECT_MOUSE_H
#define QDENGINE_QDCORE_QD_GAME_OBJECT_MOUSE_H

#include "qdengine/qdcore/qd_game_object_animated.h"

namespace Common {
class WriteStream;
}

namespace QDEngine {

class qdGameObjectMouse : public qdGameObjectAnimated {
public:
    qdGameObjectMouse();
    qdGameObjectMouse(const qdGameObjectMouse &obj);
    ~qdGameObjectMouse();

    qdGameObjectMouse &operator = (const qdGameObjectMouse &obj);

    int named_object_type() const {
        return QD_NAMED_OBJECT_MOUSE_OBJ;
    }

    bool load_script(const xml::tag *p);
    bool save_script(Common::WriteStream &fh, int indent = 0) const;

    bool load_data(Common::SeekableReadStream &fh, int save_version);
    bool save_data(Common::WriteStream &fh) const;

    void take_object(qdGameObjectAnimated *p);
    qdGameObjectAnimated *object() {
        return _object;
    }

    enum cursor_ID_t {
        DEFAULT_CURSOR,
        OBJECT_CURSOR,
        ZONE_CURSOR,
        MAIN_MENU_CURSOR,
        INGAME_INTERFACE_CURSOR,
        INVENTORY_OBJECT_CURSOR,

        MAX_CURSOR_ID
    };


    void set_default_cursor(cursor_ID_t id, int state_index) {
        _default_cursors[id] = state_index;
    }
    int default_cursor(cursor_ID_t id) const {
        return _default_cursors[id];
    }

    void set_cursor(cursor_ID_t id);
    void set_cursor_state(int state_idx) {
        if (cur_state() != state_idx) set_state(state_idx);
    }

    void pre_redraw();
    void redraw(int offs_x = 0, int offs_y = 0) const;
    void post_redraw();

    void quant(float dt);

    bool update_screen_pos();

    const Vect2f &screen_pos_offset() const {
        return _screen_pos_offset;
    }

protected:

    bool load_script_body(const xml::tag *p);
    bool save_script_body(Common::WriteStream &fh, int indent = 0) const;

private:

    qdGameObjectAnimated *_object;

    int _default_cursors[MAX_CURSOR_ID];

    grScreenRegion _object_screen_region;

    Vect2f _screen_pos_offset;
    Vect2f _screen_pos_offset_delta;

    void update_object_position() const;
};

} // namespace QDEngine

#endif // QDENGINE_QDCORE_QD_GAME_OBJECT_MOUSE_H