utility.h

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/*
        Scalable Building Simulator - Utility Object
        The Skyscraper Project - Version 2.0
        Copyright (C)2004-2024 Ryan Thoryk
        https://www.skyscrapersim.net
        https://sourceforge.net/projects/skyscraper/
        Contact - ryan@skyscrapersim.net
 
        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 2
        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, write to the Free Software
        Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
 
#ifndef _SBS_UTILITY_H
#define _SBS_UTILITY_H
 
namespace SBS {
 
class SBSIMPEXP Utility : public ObjectBase
{
public:
        Utility(Object *parent);
        ~Utility();
        Vector2 GetExtents(PolyArray &varray, int coord, bool flip_z = false);
        void Cut(Wall *wall, Vector3 start, Vector3 end, bool cutwalls, bool cutfloors, int checkwallnumber = 0, bool reset_check = true);
        void GetDoorwayExtents(MeshObject *mesh, int checknumber, PolyArray &polygon);
        Vector3 GetPolygonDirection(PolyArray &polygon);
        Vector2 GetEndPoint(const Vector2 &StartPoint, Real angle, Real distance);
        Plane ComputePlane(PolyArray &vertices, bool flip_normal = true);
        void SplitWithPlane(int axis, PolyArray &orig, PolyArray &poly1, PolyArray &poly2, Real value);
        Vector3 ComputeNormal(PolyArray &vertices, Real &D);
        void ResetDoorwayWalls();
        Wall* AddDoorwayWalls(MeshObject* mesh, const std::string &wallname, const std::string &texture, Real tw, Real th);
 
private:
 
        //Cut function work polygons
        PolyArray temppoly, temppoly2, temppoly3, temppoly4, temppoly5, worker;
        PolygonSet newpolys;
 
        PolyArray newpoly;
 
        //doorway data
        bool wall1a, wall1b, wall2a, wall2b;
        Vector2 wall_extents_x, wall_extents_z, wall_extents_y;
};
 
}
 
#endif