1 /*
2  * Copyright 2010-2014 OpenXcom Developers.
3  *
4  * This file is part of OpenXcom.
5  *
6  * OpenXcom is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * OpenXcom is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 #ifndef OPENXCOM_POLYGON_H
20 #define OPENXCOM_POLYGON_H
21 
22 #include <SDL.h>
23 
24 namespace OpenXcom
25 {
26 
27 /**
28  * Represents a polygon in the world map.
29  * Polygons constitute the textured land portions
30  * of the X-Com globe and typically have 3-4 points.
31  */
32 class Polygon
33 {
34 private:
35 	double *_lat, *_lon;
36 	Sint16 *_x, *_y;
37 	int _points, _texture;
38 public:
39 	/// Creates a polygon with a number of points.
40 	Polygon(int points);
41 	/// Creates a new polygon from an existing one.
42 	Polygon(const Polygon& other);
43 	/// Cleans up the polygon.
44 	~Polygon();
45 	/// Gets the latitude of a point.
46 	double getLatitude(int i) const;
47 	/// Sets the latitude of a point.
48 	void setLatitude(int i, double lat);
49 	/// Gets the longitude of a point.
50 	double getLongitude(int i) const;
51 	/// Sets the longitude of a point.
52 	void setLongitude(int i, double lon);
53 	/// Gets the X coordinate of a point.
54 	Sint16 getX(int i) const;
55 	/// Sets the X coordinate of a point.
56 	void setX(int i, Sint16 x);
57 	/// Gets the Y coordinate of a point.
58 	Sint16 getY(int i) const;
59 	/// Sets the Y coordinate of a point.
60 	void setY(int i, Sint16 y);
61 	/// Gets the texture of the polygon.
62 	int getTexture() const;
63 	/// Sets the texture of the polygon.
64 	void setTexture(int tex);
65 	/// Gets the number of points of the polygon.
66 	int getPoints() const;
67 };
68 
69 }
70 
71 #endif
72