Cub3D/sources/main.c

83 lines
2.9 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/30 16:30:03 by rparodi #+# #+# */
/* Updated: 2024/12/16 09:38:44 by bgoulard ### ########.fr */
/* */
/* ************************************************************************** */
#include "cub3d.h"
#include "cub3d_struct.h"
#include "ft_string.h"
#include "mlx_functions.h"
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
void check_err(t_info *info)
{
if (info->cli_ctx.file == NULL)
return (info->last_error = ERROR_MISSING_FILE, (void)0);
else if (ft_strlen(info->cli_ctx.file) < 5)
return (info->last_error = ERROR_NAME_FILE, (void)0);
else if (ft_strend_with(info->cli_ctx.file, FILE_EXTENSION) == false)
return (info->last_error = ERROR_EXTENSION_FILE, (void)0);
info->map.fd = open(info->cli_ctx.file, O_RDONLY);
if (info->map.fd == -1)
return (info->errno_state = errno, info->last_error = ERROR_OPEN_FILE,
(void)0);
}
void run_cub3d(t_info *info)
{
if (init_mlx_env(info) != NO_ERROR)
return ;
parse_map(info);
if (info->cli_ctx.debug)
ft_putstr_fd("no debug mod on production run", STDERR_FILENO);
if (info->last_error != NO_ERROR)
return ;
if (info->cli_ctx.no_graphics == true)
return ;
info->camera.screen_buff = mlx_new_image(info->mlx_ptr, info->screen_size.x,
info->screen_size.y);
info->camera.img_addr = mlx_get_data_addr(info->camera.screen_buff,
&info->camera.bpp, &info->camera.line_len, &info->camera.endian);
info->redraw = true;
mlx_loop(info->mlx_ptr);
}
/// @brief main function of the cub3d executable
/// @param file_arg the file path to the .cub file
/// @param info the info structure
/// @return false (0) if no error, true (1) if an error
int main_cub3d(char *file_arg, t_info *info)
{
if (info->cli_ctx.help)
return (cleanup_info(info), EXIT_SUCCESS);
if (file_arg && info->cli_ctx.file == NULL)
info->cli_ctx.file = ft_strdup(file_arg);
check_err(info);
if (info->last_error != NO_ERROR)
return (c3_perror(info), cleanup_info(info), EXIT_FAILURE);
run_cub3d(info);
return (cleanup_info(info), info->last_error != NO_ERROR);
}
int main(int argc, char *argv[])
{
t_info info;
int parsed_args;
parsed_args = c3_options(&info, argc, argv);
if (parsed_args == -1)
return (EXIT_FAILURE);
return (main_cub3d(argv[parsed_args], &info));
}