cub3d/src/map.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   map.c                                              :+:    :+:            */
/*                                                     +:+                    */
/*   By: houtworm <codam@houtworm.net>                +#+                     */
/*                                                   +#+                      */
/*   Created: 2023/10/26 17:33:50 by houtworm      #+#    #+#                 */
/*   Updated: 2023/10/29 15:23:13 by houtworm      ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "../cub3d.h"
#include <stdio.h>

char	ft_setplayerpos(t_varlist *vl, char dir, int y, int x)
{
	vl->posx = x;
	vl->posy = y;
	if (dir == 'N')
	{
		vl->dirx = -1;
		vl->diry = 0;
		vl->planex = 0;
		vl->planey = 0.66;
	}
	else if (dir == 'E')
	{
		vl->dirx = 0;
		vl->diry = 1;
		vl->planex = 0.66;
		vl->planey = 0;
	}
	else if (dir == 'S')
	{
		vl->dirx = 1;
		vl->diry = 0;
		vl->planex = 0;
		vl->planey = -0.66;
	}
	else if (dir == 'W')
	{
		vl->dirx = 0;
		vl->diry = -1;
		vl->planex = -0.66;
		vl->planey = 0;
	}
	return ('0');
}

char	**ft_getmap(t_varlist *vl, int fd)
{
	int		y;
	int		x;
	int		ret;
	char	**map;
	char	*line;

	map = ft_calloc(512, 8);
	y = 0;
	ret = 1;
	while (y <= 512 && ret > 0)
	{
		if (y > 500)
			return (NULL);
		map[y] = ft_calloc(512, 8);
		while (ret > 0)
		{
			ret = get_next_line(fd, &line);
			if (line[0])
				break ;
		}
		if (ret == 0)
		{
			free(map[y]);
			free(line);
			return (map);
		}
		x = 0;
		while (x <= 512 && line[x])
		{
			if (x > 500)
				return (NULL);
			if (ft_strchr(" 0", line[x]))
				map[y][x] = '0';
			else if (ft_strchr("1", line[x]))
				map[y][x] = '1';
			else if (ft_strchr("NESW", line[x]))
				map[y][x] = ft_setplayerpos(vl, line[x], y, x);
			x++;
		}
		free(line);
		y++;
	}
	ft_errorexit("Something went wrong", "ft_getmap", 1);
	return (0);
}