pointedthing.h

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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
 
#pragma once
 
#include "irrlichttypes.h"
#include "irr_v3d.h"
#include <iostream>
#include <string>
 
enum PointedThingType
{
    POINTEDTHING_NOTHING,
    POINTEDTHING_NODE,
    POINTEDTHING_OBJECT
};
 
struct PointedThing
{
    PointedThingType type = POINTEDTHING_NOTHING;
    v3s16 node_undersurface;
    v3s16 node_abovesurface;
    v3s16 node_real_undersurface;
    s16 object_id = -1;
    v3f intersection_point;
    v3s16 intersection_normal;
    u16 box_id = 0;
    f32 distanceSq = 0;
 
    PointedThing() = default;
    PointedThing(const v3s16 &under, const v3s16 &above,
        const v3s16 &real_under, const v3f &point, const v3s16 &normal,
        u16 box_id, f32 distSq);
    PointedThing(s16 id, const v3f &point, const v3s16 &normal, f32 distSq);
    std::string dump() const;
    void serialize(std::ostream &os) const;
    void deSerialize(std::istream &is);
    bool operator==(const PointedThing &pt2) const;
    bool operator!=(const PointedThing &pt2) const;
};