init_mlx_image.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   init_mlx_image.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kamitsui <kamitsui@student.42tokyo.jp>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/12 12:49:12 by kamitsui          #+#    #+#             */
/*   Updated: 2024/10/18 07:00:17 by kamitsui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "cub3d.h"
 
static int  init_3d_image(void *mlx, t_img *img_3d)
{
    void    *img;
    char    *addr;
    int     *bits_per_pixel;
    int     *size_line;
    int     *endian;
 
    img = (void *)mlx_new_image(mlx, IMG_3D_WIDTH, WIN_HEIGHT);
    if (img == NULL)
        return (EXIT_FAILURE);
    bits_per_pixel = &(img_3d->bpp);
    size_line = &(img_3d->line_length);
    endian = &(img_3d->endian);
    addr = (char *)mlx_get_data_addr(img, bits_per_pixel, size_line, endian);
    if (addr == NULL)
    {
        mlx_destroy_image(mlx, img_3d->img);
        return (EXIT_FAILURE);
    }
    img_3d->img = img;
    img_3d->addr = addr;
    return (EXIT_SUCCESS);
}
 
static int  init_2d_image(void *mlx, t_img *img_2d)
{
    void    *img;
    char    *addr;
    int     *bits_per_pixel;
    int     *size_line;
    int     *endian;
 
    img = mlx_new_image(mlx, IMG_2D_WIDTH, WIN_HEIGHT);
    if (img == NULL)
        return (EXIT_FAILURE);
    bits_per_pixel = &img_2d->bpp;
    size_line = &img_2d->line_length;
    endian = &img_2d->endian;
    addr = mlx_get_data_addr(img, bits_per_pixel, size_line, endian);
    if (addr == NULL)
    {
        mlx_destroy_image(mlx, img_2d->img);
        return (EXIT_FAILURE);
    }
    img_2d->img = img;
    img_2d->addr = addr;
    return (EXIT_SUCCESS);
}
 
int init_mlx_image(t_game *game)
{
    if (init_3d_image(game->mlx, &game->img_3d) != EXIT_SUCCESS)
        return (EXIT_FAILURE);
    if (DISABLE_2D_MAP == false)
    {
        if (init_2d_image(game->mlx, &game->img_2d) != EXIT_SUCCESS)
        {
            mlx_destroy_image(game->mlx, game->img_3d.img);
            return (EXIT_FAILURE);
        }
    }
    return (EXIT_SUCCESS);
}