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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* 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.");
}
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