diff --git a/includes/maputils.h b/includes/maputils.h
index 81d7ece..9d9a4ff 100644
--- a/includes/maputils.h
+++ b/includes/maputils.h
@@ -20,6 +20,10 @@ typedef struct s_mapdata
 	char	*SO_texture;
 	char	*WE_texture;
 	char	*EA_texture;
+	int		f_color;
+	int		c_color;
+	char	**map;
+	char	**mapflood;
 	bool	isvalid;
 	char	error[1024];
 }	t_mapdata;
diff --git a/ressources/wrongmap_invalid_colors.cub b/ressources/wrongmap_invalid_colors.cub
new file mode 100644
index 0000000..6cf7a29
--- /dev/null
+++ b/ressources/wrongmap_invalid_colors.cub
@@ -0,0 +1,22 @@
+NO      ./path_to_the_north_texture
+SO      ./path_to_the_south_texture
+WE      ./path_to_the_west_texture
+EA      ./path_to_the_east_texture
+
+F 256,100,0
+C 225,30,0
+
+1111111111111111111111111
+1000000000110000000000001
+1011000001110000000000001
+1001000000000000000000001
+111111111011000001110000000000001
+100000000011000001110111111111111
+11110111111111011100000010001
+11110111111111011101010010001
+11000000110101011100000010001
+10000000000000001100000010001
+10000000000000001101010010001
+11000001110101011111011110N0111
+11110111 1110101 101111010001
+11111111 1111111 111111111111
diff --git a/src/main.c b/src/main.c
index 78a0122..b4a4e53 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 /*   By: tchampio <tchampio@student.42lehavre.      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/05/06 13:16:11 by tchampio          #+#    #+#             */
-/*   Updated: 2025/06/06 17:43:26 by tchampio         ###   ########.fr       */
+/*   Updated: 2025/06/16 16:12:50 by tchampio         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -61,6 +61,7 @@ int	main(int argc, char **argv)
 	t_mlx_data	data;
 	t_mapdata	map;
 
+	ft_bzero(&map, sizeof(map));
 	if (argc < 2)
 		return (ft_printf("Error: Missing cub3d file\n"), 1);
 	if (!check_cubfile(argv[1], &map))
diff --git a/src/map/map_checker.c b/src/map/map_checker.c
index a4fc137..c77b51b 100644
--- a/src/map/map_checker.c
+++ b/src/map/map_checker.c
@@ -6,7 +6,7 @@
 /*   By: tchampio <tchampio@student.42lehavre.      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/06/06 17:54:42 by tchampio          #+#    #+#             */
-/*   Updated: 2025/06/08 20:28:57 by tchampio         ###   ########.fr       */
+/*   Updated: 2025/06/16 17:03:00 by tchampio         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,6 +23,8 @@ void	print_mapdata(const t_mapdata *data)
 	ft_printf(BOLD "SO Texture: " RESET "%s\n", data->SO_texture);
 	ft_printf(BOLD "WE Texture: " RESET "%s\n", data->WE_texture);
 	ft_printf(BOLD "EA Texture: " RESET "%s\n", data->EA_texture);
+	ft_printf(BOLD "F color: " RESET "%x\n", data->f_color);
+	ft_printf(BOLD "C color: " RESET "%x\n", data->c_color);
 	ft_printf(BOLD "Validity: " RESET);
 	if (data->isvalid)
 		ft_printf(GREEN "VALID\n" RESET);
@@ -35,6 +37,33 @@ void	print_mapdata(const t_mapdata *data)
 	ft_printf(CYAN "=================\n" RESET);
 }
 
+unsigned long	set_color(const char *s, t_mapdata *map)
+{
+	int				i;
+	unsigned long	finalcolor;
+	char			**tab;
+	int				rgb[100];
+
+	i = 0;
+	tab = ft_split(s, ',');
+	while (tab[i])
+	{
+		if (i > 2)
+			ft_strlcpy(map->error, "too many colors", 16);
+		rgb[i] = ft_atoi(tab[i]);
+		free(tab[i]);
+		i++;
+	}
+	free(tab);
+	if (rgb[0] < 0 || rgb[0] > 255
+		|| rgb[1] < 0 || rgb[1] > 255
+		|| rgb[2] < 0 || rgb[2] > 255)
+		return (ft_strlcpy(map->error, "Invalid color", 14), 0);
+	finalcolor = ((rgb[0] & 0xff) << 16)
+		+ ((rgb[1] & 0xff) << 8) + (rgb[2] & 0xff);
+	return (finalcolor);
+}
+
 bool	set_textures(char *line, t_mapdata *map)
 {
 	char	**tab;
@@ -54,21 +83,24 @@ bool	set_textures(char *line, t_mapdata *map)
 			map->WE_texture = ft_strdup(tab[1]);
 		if (!ft_strncmp(tab[0], "EA", 3) || !ft_strncmp(tab[0], "ea", 3))
 			map->EA_texture = ft_strdup(tab[1]);
+		if (!ft_strncmp(tab[0], "F", 2) || !ft_strncmp(tab[0], "f", 2))
+			map->f_color = set_color(tab[1], map);
+		if (!ft_strncmp(tab[0], "C", 2) || !ft_strncmp(tab[0], "c", 2))
+			map->c_color = set_color(tab[1], map);
 	}
 	while (tab[i])
 		free(tab[i++]);
-	free(tab);
-	return (true);
+	return (free(tab), true);
 }
 
 bool	add_textures(int fd, t_mapdata *map)
 {
 	char	*line;
-	int	set_lines;
+	int		set_lines;
 
 	line = get_next_line(fd);
 	set_lines = 0;
-	while (line && set_lines < 4)
+	while (line && set_lines < 6)
 	{
 		if (!set_textures(line, map))
 			return (free(line), false);
@@ -77,6 +109,7 @@ bool	add_textures(int fd, t_mapdata *map)
 		free(line);
 		line = get_next_line(fd);
 	}
+	free(line);
 	print_mapdata(map);
 	return (true);
 }
@@ -104,6 +137,27 @@ bool	check_filename(char *file)
 		return (true);
 }
 
+void	populate_maps(t_mapdata *map, int fd)
+{
+	char	*line;
+
+	line = get_next_line(fd);
+	while (line)
+	{
+		free(line);
+		line = get_next_line(fd);
+	}
+	free(line);
+}
+
+bool	check_walls(int fd, t_mapdata *map)
+{
+	bool	last_first;
+
+	populate_maps(map, fd);
+	return (true);
+}
+
 bool	check_cubfile(char *file, t_mapdata *map)
 {
 	int	fd;
@@ -116,6 +170,11 @@ bool	check_cubfile(char *file, t_mapdata *map)
 	if (!add_textures(fd, map))
 		return (close(fd), ft_strlcpy(map->error,
 				"Map started before all the textures", 37), false);
+	if (map->error[0])
+		return (close(fd), false);
+	if (!check_walls(fd, map))
+		return (close(fd), ft_strlcpy(map->error,
+				"Map is malformed (invalid chars or missing walls)", 51), false);
 	close(fd);
 	return (true);
 }