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#ifndef MAP_H_
#define MAP_H_
#include <stddef.h>
#include "structs.h"
enum MapTile_e {
EMPTY = 0,
WALL,
};
typedef enum MapTile_e MapTile;
enum Colors_e {
EMPTY_COLOR = 1,
GOAL_COLOR = 2,
WALL_COLOR = 3,
START_COLOR = 4,
};
/* A map is a 2D array of MapTiles.
* Use as map[row][column] */
typedef MapTile** Map;
/* Returns an empty map of given size */
Map empty_map(size_t width, size_t height);
/* Stores all the existing neighbours of pos in neighbour_array and returns their amount */
unsigned int neighbours(Position neighbour_array[], Position pos, size_t width, size_t height, \
char visited[height][width]);
/* https://en.wikipedia.org/wiki/Maze_generation_algorithm#Randomized_depth-first_search
* WARNING: width and height are not the width and height of the returned map!
* TODO: formula for actual size */
Map rbt_maze_map(size_t width, size_t height, unsigned int seed);
/* Reads the map from a file, saves size in `width` and `height`
*
* FILE FORMAT IS AS FOLLOWS:
* {WIDTH}x{HEIGHT}
* {EMPTY_CHAR}{WALL_CHAR}{START_CHAR}{END_CHAR}
* {MAP, one line at a time}
*
* EXAMPLE:
* 10x4
* .#@x
* .......x..
* ....###...
* ....#.#...
* ..@....... */
Map file_plaintext_map(char *filename, size_t *width, size_t *height, Position *start_pos, Position *end_pos);
/* Draw the map. Bet you didn't expect that. */
void draw_map(Map map, size_t width, size_t height, int offset_x, int offset_y, Position start, Position goal);
#endif /*MAP_H_ */
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