Cub3D/parsing/map.c
B.Goulard 7321db26d9 feat: moved parsing to new 'bgoulard' branch, parsing on texteures added
now parses textures using the ol'optional chain functions.
2024-11-13 07:24:32 +01:00

139 lines
3.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* map.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: bgoulard <bgoulard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/11/12 08:31:06 by bgoulard #+# #+# */
/* Updated: 2024/11/13 07:20:15 by bgoulard ### ########.fr */
/* */
/* ************************************************************************** */
#include "cub3d.h"
#include "ft_string.h"
#include "ft_optional.h"
#include "ft_optional_types.h"
#include "mlx_functions.h"
#include <stdio.h>
#include <sys/types.h>
// steps:
// 1. load_file into a buffer
// 2. store the map while deleting trailing newlines
void *load_file(void *data)
{
t_info *info = (t_info *)data;
char *file = NULL;
file = ft_fd_to_buff(info->map.fd);
if (file == NULL)
return (info->last_error = ERROR_READ_FILE, NULL);
info->map.fraw = ft_split(file, '\n');
if (info->map.fraw == NULL)
return (info->last_error = ERROR_MALLOC, NULL);
ft_free((void **)&file);
info->last_error = NO_ERROR;
return (info);
}
bool is_identifier(const char *str, const char *id_str[4])
{
size_t i;
i = 0;
while (i < 4)
{
if (ft_strstart_with(str, id_str[i]))
return (true);
i++;
}
return (false);
}
bool load_texture(t_info *info, const char *str)
{
const char *id_str[4] = {"NO", "SO", "WE", "EA"};
size_t i;
t_texture texture;
i = 0;
while (i < 4)
{
if (ft_strstart_with(str, id_str[i]))
{
texture.path = ft_strtrim(str + ft_strlen(id_str[i]), " ");
if (texture.path == NULL)
return (info->last_error = ERROR_MALLOC, false);
texture.img = mlx_xpm_file_to_image(info->mlx_ptr, texture.path, \
&texture.width, &texture.height);
if (texture.img == NULL)
return (info->last_error = ERROR_MLX, false);
info->map.texture[i] = texture;
return (true);
}
i++;
}
return (false);
}
void *load_textures(void *data)
{
const char *id_str[4] = {"NO", "SO", "WE", "EA"};
t_info *info = (t_info *)data;
size_t i;
while (info->map.fraw[i])
{
if (is_identifier(info->map.fraw[i], id_str) && \
(load_texture(info, info->map.fraw[i]) == false))
return (NULL);
i++;
}
return (info);
}
void *load_bgs(void *data)
{
t_info *info = (t_info *)data;
info->last_error = ERROR_IMPLEM;
return (NULL);
}
void *load_tiles(void *data)
{
t_info *info = (t_info *)data;
info->last_error = ERROR_IMPLEM;
return (NULL);
}
void *traverse_map(void *data)
{
t_info *info = (t_info *)data;
info->last_error = ERROR_IMPLEM;
return (NULL);
}
void parse_map(t_info *info)
{
t_optional opt = {OPT_NONE, NULL};
const t_data_tr_i function_list[] = {
load_file,
load_textures,
load_bgs,
load_tiles,
traverse_map,
NULL,
};
opt.val = info;
opt.pres = OPT_SOME;
info->map.path = info->cli_ctx.file;
if (ft_optional_chain(&opt, function_list) == false)
return (c3_perror(info), (void)0);
}