42_cube3D/map/parsing_header2.c

#include "./parsing_private.h"
#include <stddef.h>

static int	set_texture(t_map *map, int token, const char *key, char *value)
{
	if (map->img[token - 1] != NULL)
	{
		ft_eprintf("redefinition of %s", key);
		return (1);
	}
	map->img[token - 1] = value;
	return (0);
}

static unsigned int get_rgb(unsigned char red, unsigned char green,
		unsigned char blue)
{
	return (red << 24 | green << 16 | blue << 8 | 255);
}

static long long get_color(const char **tab)
{
	long long	rgb[3];
	size_t		i;

	i = 0;
	while (i < 3)
	{
		if (ft_atoul_check(tab[i]) == 0)
		{
			ft_eprintf("map: %s color invalid format", tab[i]);
			return (-1);
		}
		rgb[i] = ft_atoul(tab[i]);
		if (rgb[i] > 255)
		{
			ft_eprintf("map: %s is a to high to be a color", tab[i]);
			return (-1);
		}
		i++;
	}
	return (get_rgb((unsigned char) rgb[0], (unsigned char) rgb[1], (unsigned char) rgb[2]));
}

static int	set_color(long long *color, const char *key, char *value)
{
	char	**tab;

	if (*color != -1)
	{
		ft_eprintf("map: %s redefinition", key);
		return (1);
	}
	tab = ft_split(value, ',');
	if (tab == NULL)
		return (1);
	if (ft_tablen((const void **) tab) != 3)
	{
		ft_freer_tab_ultimate(1, tab);
		ft_eprintf("map: invalid format %s %s", key, value);
		return (1);
	}
	*color = get_color((const char **) tab);
	return (*color == -1);
}

int	header_is_valid(char ***header, t_map *map)
{
	size_t	i;
	int		token;


	if (header == NULL)
		return (1);
	map->color_bot = -1;
	map->color_top = -1;
	i = 0;
	while (i < ft_tablen((const void **) header))
	{
		token = get_token(header[i][0]);
		if (token > 0 && token < 5
			&& set_texture(map, token, header[i][0], header[i][1]))
				return (0);
		else if ((token == 5 && set_color(&map->color_bot,
							header[i][0], header[i][1]))
					|| (token == 6 && set_color(&map->color_top,
							header[i][0], header[i][1])))
				return (0);
		i++;
	}
	return (1);
}