Cub3D/sources/main.c
2024-11-28 13:56:45 +01:00

112 lines
3.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/30 16:30:03 by rparodi #+# #+# */
/* Updated: 2024/11/28 13:55:42 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>
void blank(t_info *info);
// not normed but we'll take care of this as a niceties at the last
// possible moment :)
void dump_info(t_info *info)
{
const char *bool_str[2] = {"True", "False"};
size_t i;
i = 0;
printf("t_info:\n");
printf("\tcli_ctx:\n");
printf("\t\tfile: %s\n", info->cli_ctx.file);
printf("\t\tdebug: %s\n", bool_str[info->cli_ctx.debug]);
printf("\t\tsave: %s\n", bool_str[info->cli_ctx.save]);
printf("\t\thelp: %s\n", bool_str[info->cli_ctx.help]);
printf("\tmap:\n");
printf("\t\tpath:%s\n", info->map.path);
printf("\t\tfd:%d\n", info->map.fd);
printf("\t\tsize:\t(x:%d, y:%d)\n", info->map.size.x, info->map.size.y);
printf("\t\tplayer_pos:\t(x:%lf, y:%lf)\n", info->map.player_pos.x, \
info->map.player_pos.y);
while (info->map.fraw[i])
{
printf("\t\tmap.fraw[%zu]: %s\n", i, info->map.fraw[i]);
i++;
}
}
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)
{
blank(info);
if (init_mlx_env(info) != NO_ERROR)
return ;
parse_map(info);
if (info->cli_ctx.debug)
dump_info(info);
if (info->last_error != NO_ERROR)
return ;
if (info->cli_ctx.no_graphics)
printf("no graphics mode\n");
// todo: here
// - validity check
printf("launching mlx\n");
mlx_loop(info->mlx_ptr);
// - game loop : already loops over the mlx_ptr
// -> get events if key pressed move player + run math to re-draw screen
}
/// @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));
}