1 files changed, 96 insertions, 0 deletions
diff --git a/map.c b/map.c
new file mode 100644
index 0000000..de3bcf1
--- /dev/null
+++ b/map.c
@@ -0,0 +1,96 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   map.c                                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kdx    <kdx   @student.42angouleme.fr      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/10 07:35:33 by kdx               #+#    #+#             */
+/*   Updated: 2022/10/16 00:21:32 by kdx              ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "map.h"
+#include "readall.h"
+#include <unistd.h>
+#include <fcntl.h>
+
+static t_err	check_path(const char *path)
+{
+	if (ft_strlen(path) <= ft_strlen(".ber"))
+		return (1);
+	if (ft_strncmp(path + ft_strlen(path) - ft_strlen(".ber"), ".ber", 4))
+		return (1);
+	return (0);
+}
+
+static t_err	find_exit(t_map *map)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < (map->width + 1) * map->height)
+	{
+		if (map->data[i] == TILE_EXIT)
+		{
+			map->exit[0] = (i % (map->width + 1)) * TSIZE;
+			map->exit[1] = (i / (map->width + 1)) * TSIZE;
+			return (0);
+		}
+		i++;
+	}
+	return (1);
+}
+
+t_err	map_load(t_map *map, const char *path)
+{
+	int		fd;
+	t_err	err;
+
+	if (check_path(path))
+		return (ERR_FILENAME);
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		return (ERR_OPEN);
+	map->data = (unsigned char *)readall(fd);
+	close(fd);
+	if (map->data == NULL)
+		return (ERR_READ);
+	err = map_verify(map, (unsigned const char *)map->data);
+	if (err)
+		return (err);
+	if (find_exit(map))
+		return (ERR_MISSING);
+	return (ERR_NONE);
+}
+
+void	map_destroy(t_map *map)
+{
+	ft_free(map->data);
+	map->data = NULL;
+}
+
+const char	*map_load_error(t_err err)
+{
+	if (err == ERR_OPEN)
+		return ("Failed to open file.");
+	if (err == ERR_READ)
+		return ("Failed to read file.");
+	if (err == ERR_MALLOC)
+		return ("Failed to malloc.");
+	if (err == ERR_INVALID_CHAR)
+		return ("Found invalid character in loaded map.");
+	if (err == ERR_WRONG_DIMENSION)
+		return ("Wrong map dimensions.");
+	if (err == ERR_FILENAME)
+		return ("Invalid filename.");
+	if (err == ERR_MISSING)
+		return ("Missing required character.");
+	if (err == ERR_DUPLICATE)
+		return ("Duplicate unique character.");
+	if (err == ERR_OPEN_BORDER)
+		return ("Borders aren't closed properly.");
+	if (err == ERR_NO_PATH)
+		return ("Map is impossible.");
+	return ("No error.");
+}