cub3D/parsing/ft_find_map_start.c

106 lines
2.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_find_map_start.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fgras-ca <fgras-ca@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/15 20:04:23 by fgras-ca #+# #+# */
/* Updated: 2024/01/29 18:02:53 by fgras-ca ### ########.fr */
/* */
/* ************************************************************************** */
#include "../cub3d.h"
bool process_color_line(const char *line, t_texture *textures)
{
if (line[0] == 'F')
parse_color_line(line + 1, &textures->floor_color);
else if (line[0] == 'C')
parse_color_line(line + 1, &textures->ceil_color);
else
return (false);
printf("Couleur reconnue et traitée: '%s'\n", line);
return (true);
}
bool handle_colors(int fd, t_texture *textures)
{
char line[MAX_LINE_LENGTH];
int color_count;
char ch;
int i;
color_count = 0;
i = 0;
while (color_count < 2 && read(fd, &ch, 1) > 0)
{
if (ch != '\n')
{
line[i++] = ch;
}
else
{
line[i] = '\0';
printf("Ligne lue pour les couleurs: '%s'\n", line);
if ((line[0] == 'F' || line[0] == 'C')
&& process_color_line(line, textures))
color_count++;
i = 0;
}
}
return (color_count == 2);
}
int open_file(const char *filename)
{
int fd;
fd = open(filename, O_RDONLY);
if (fd < 0)
{
perror("Error opening file");
}
return (fd);
}
bool cleanup_and_close(int fd, char *map_buffer, bool result)
{
if (map_buffer)
{
free(map_buffer);
}
close(fd);
return (result);
}
bool load_cub_file(const char *filename,
t_texture *textures, t_structure_map *map_info)
{
char *map_buffer;
int map_length;
bool result;
int fd;
map_buffer = NULL;
map_length = 0;
fd = open_file(filename);
if (fd < 0)
return (false);
if (!handle_textures(fd, textures) || !handle_colors(fd, textures))
return (cleanup_and_close(fd, map_buffer, false));
if (!handle_map(fd, &map_buffer, &map_length))
{
perror("Error reading map");
return (cleanup_and_close(fd, map_buffer, false));
}
if (map_buffer)
result = parse_map(map_buffer, map_length, map_info);
else
{
printf("No map data found in file.\n");
result = false;
}
return (cleanup_and_close(fd, map_buffer, result));
}