Cub3D/parsing/load_textures.c
2024-12-20 15:05:08 +01:00

86 lines
2.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* load_textures.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: bgoulard <bgoulard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/12/01 17:46:52 by bgoulard #+# #+# */
/* Updated: 2024/12/20 14:47:18 by bgoulard ### ########.fr */
/* */
/* ************************************************************************** */
#include "cub3d.h"
#include "cub3d_struct.h"
#include "cub3d_parsing.h"
#include "ft_string.h"
#include "mlx.h"
#include <stdbool.h>
#include <stdio.h>
static bool no_leaks(t_info *inf, t_texture *texture, enum e_error error)
{
if (texture->img != NULL)
mlx_destroy_image(inf->mlx_ptr, texture->img);
if (texture->path != NULL)
free(texture->path);
sv_errno(inf, error);
return (false);
}
bool load_texture(t_info *info, const char *str, const char **id_str)
{
size_t i;
t_texture texture;
i = 0;
ft_bzero(&texture, sizeof(t_texture));
while (i < 4)
{
if (ft_strstart_with(str, id_str[i]))
{
if (info->map.texture[i].img != NULL)
return (sv_errno(info, ERROR_PARSE_ALREADY_SET), false);
texture.path = ft_strtrim(str + ft_strlen(id_str[i]), " \t");
if (texture.path == NULL)
return (sv_errno(info, ERROR_MALLOC), false);
if (ft_strend_with(texture.path, ".xpm") == false)
return (no_leaks(info, &texture, ERROR_TEXTURE_FORMAT));
texture.img = mlx_xpm_file_to_image(info->mlx_ptr, texture.path,
&texture.width, &texture.height);
if (texture.img == NULL)
return (no_leaks(info, &texture, ERROR_MLX));
return (info->map.texture[i] = texture, true);
}
i++;
}
return (false);
}
void *load_textures(void *data)
{
const char *id_str[] = {"NO ", "SO ", "WE ", "EA ", NULL};
t_info *info;
size_t i;
i = 0;
info = (t_info *)data;
while (info->map.fraw[i])
{
if (is_identifier(info->map.fraw[i], id_str) && load_texture(info,
info->map.fraw[i], id_str) == false)
return (NULL);
i++;
}
i = 0;
errno = 0;
while (i < sizeof(info->map.texture) / sizeof(info->map.texture[0]))
{
if (info->map.texture[i].img == NULL)
return (sv_errno(info, ERROR_TEXTURE_MISSING), NULL);
i++;
}
return (info);
}