42_solong/map.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   map.c                                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/01/05 13:51:49 by cchauvet          #+#    #+#             */
/*   Updated: 2023/01/06 19:36:36 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "solong.h"

char	**ft_readfile(char *path)
{
	char	**map;
	int		fd;
	size_t	nb_line;

	fd = open(path, O_RDONLY);
	nb_line = 1;
	map = malloc(sizeof(char *) * 2);
	if (map == NULL)
		return (NULL);
	map[0] = get_next_line(fd);
	while (map[nb_line - 1] != NULL)
	{
		ft_strchr(map[nb_line - 1], '\n')[0] = '\0';
		map[nb_line] = get_next_line(fd);
		map = ft_tabrealloc(map, nb_line + 1, nb_line + 2);
		if (map == NULL)
			return (NULL);
		nb_line++;
	}
	return (map);
}

t_map	*ft_getmap(char *path)
{
	t_map	*map;

	map = malloc(sizeof(t_map));
	if (map == NULL)
		return (NULL);
	map->patern = ft_readfile(path);
	if (ft_map_is_correct(map) == 0)
		return (NULL);
	return (map);
}

char	**ft_get_player_map(t_map map)
{
	char	**player_map;
	ssize_t	y;
	ssize_t	i;

	player_map = malloc(RENDER_DISTANCE * 2 + 2);
	if (player_map == NULL)
		return (NULL);
	y = -RENDER_DISTANCE;
	while (y < map.y_len - map.player_pos[1] - RENDER_DISTANCE)
	{
		i = map.player_pos[1] + y;
		player_map[y] = ft_strndup(map.patern[i], RENDER_DISTANCE * 2 + 1);
		if (player_map[y] == NULL)
		{
			ft_cancel(player_map, RENDER_DISTANCE - y);
			return (NULL);
		}
		y++;
	}
	player_map[y] = NULL;
	return (player_map);
}