init_cub_contents.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   init_cub_contents.c                                :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: hnagasak <hnagasak@student.42tokyo.jp>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/09/12 09:49:52 by kamitsui          #+#    #+#             */
/*   Updated: 2024/12/18 02:08:47 by kamitsui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "cub3d.h"
 
static char *get_file_contents(int fd)
{
    char    *file_contents;
    char    *line;
    char    *temp;
 
    file_contents = NULL;
    temp = NULL;
    line = get_next_line(fd);
    while (line != NULL)
    {
        if (file_contents == NULL)
            file_contents = ft_strjoin("", line);
        else
        {
            temp = ft_strjoin(file_contents, line);
            free(file_contents);
            file_contents = temp;
        }
        line = ft_free(line);
        if (file_contents == NULL)
            return (NULL);
        line = get_next_line(fd);
    }
    return (file_contents);
}
 
static char *read_cubfile(char *filepath)
{
    int     fd;
    char    *file_contents;
 
    fd = open(filepath, O_RDONLY);
    if (fd == -1)
    {
        ft_eprintf("%s%s\n", ERR_PROMPT, EMSG_OPEN_FAILED);
        return (NULL);
    }
    file_contents = get_file_contents(fd);
    if (file_contents == NULL)
    {
        ft_eprintf("%s%s\n", ERR_PROMPT, EMSG_READ_FAILED);
        return (NULL);
    }
    close(fd);
    return (file_contents);
}
 
static void init_frame(t_game *game)
{
    t_frame *frame;
 
    frame = &game->frame;
    frame->map = (t_map *)&game->map;
    frame->img_3d = (t_img *)&game->img_3d;
    frame->texture = (t_texture *)&game->texture;
    frame->player = (t_player *)&game->player;
    frame->flag = 0;
}
 
int init_cub_contents(t_game *game, char *filename)
{
    char    *file_contents;
    int     status;
    t_parse parse;
 
    file_contents = read_cubfile(filename);
    if (file_contents == NULL)
        return (EXIT_FAILURE);
    parse.flag = 0x00;
    parse.game = game;
    status = parse_cubfile(&parse, game, (const char *)file_contents);
    init_frame(game);
    free(file_contents);
    if (status != EXIT_SUCCESS)
        return (EXIT_FAILURE);
    return (EXIT_SUCCESS);
}