/src/MapCollision.h

 1/*
 2Copyright 2011 Clint Bellanger
 3
 4This file is part of FLARE.
 5
 6FLARE is free software: you can redistribute it and/or modify it under the terms
 7of the GNU General Public License as published by the Free Software Foundation,
 8either version 3 of the License, or (at your option) any later version.
 9
10FLARE is distributed in the hope that it will be useful, but WITHOUT ANY
11WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12PARTICULAR PURPOSE.  See the GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License along with
15FLARE.  If not, see http://www.gnu.org/licenses/
16*/
17
18/*
19 * MapCollision.h
20 * RPGEngine
21 *
22 * Handle collisions between objects and the map
23 */
24
25#ifndef MAP_COLLISION_H
26#define MAP_COLLISION_H
27
28#include "Utils.h"
29#include "Settings.h"
30#include <algorithm>
31#include <cstdlib>
32#include <vector>
33
34// collision tile types
35const int BLOCKS_ALL = 1;
36const int BLOCKS_MOVEMENT = 2;
37const int BLOCKS_ALL_HIDDEN = 3;
38const int BLOCKS_MOVEMENT_HIDDEN = 4;
39
40// collision check types
41const int CHECK_MOVEMENT = 1;
42const int CHECK_SIGHT = 2;
43
44class MapCollision {
45private:
46
47	bool line_check(int x1, int y1, int x2, int y2, int checktype);
48	
49public:
50	MapCollision();
51	~MapCollision();
52	void setmap(unsigned short _colmap[256][256]);
53	bool move(int &x, int &y, int step_x, int step_y, int dist);
54	bool outsideMap(int tile_x, int tile_y);
55	bool is_empty(int x, int y);
56	bool is_wall(int x, int y);
57
58	bool line_of_sight(int x1, int y1, int x2, int y2);
59	bool line_of_movement(int x1, int y1, int x2, int y2);
60	bool compute_path(Point start, Point end, std::vector<Point> &path, unsigned int limit = 100);
61
62	unsigned short colmap[256][256];
63	Point map_size;
64		
65	int result_x;
66	int result_y;
67};
68
69#endif