render.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   render.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kamitsui <kamitsui@student.42tokyo.jp>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/08/26 01:57:48 by kamitsui          #+#    #+#             */
/*   Updated: 2024/12/21 09:33:40 by kamitsui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "cub3d.h"
 
static void update_player(t_game *game)
{
    static t_moving_player  func[6] = {
        move_forward, move_backward,
        strafe_left, strafe_right,
        rotate_left, rotate_right};
    int                     i;
    int                     bit;
 
    i = 0;
    while (i < 6)
    {
        bit = 0x01 << i;
        if (is_hit_flag(game->frame.flag, bit) == true)
            func[i](&game->map, &game->player);
        i++;
    }
    game->frame.flag = 0;
}
    //debug_moved_player(game);
// debug_is_hit_flag(game, bit);// call this if is_hit_flag() == true
 
static void draw_3d_view(t_frame *frame)
{
    int                         x;
    static t_draw_3d_process    func[5] = {
        init_ray, perform_dda,
        set_wall_slice, set_texture_x_coordinate,
        draw_vertical_line};
    int                         i;
 
    x = 0;
    while (x < IMG_3D_WIDTH)
    {
        i = 0;
        while (i < 5)
        {
            func[i](frame, x);
            i++;
        }
        x++;
    }
}
 
static void draw_2d_map(t_game *game)
{
    draw_2d_wall(&game->map, &game->img_2d);
    draw_2d_player(&game->img_2d, &game->player);
}
 
void    render_frame(t_game *game)
{
    update_player(game);
    draw_3d_view(&game->frame);
    if (DISABLE_2D_MAP == true)
        draw_2d_map(game);
    mlx_put_image_to_window(game->mlx, game->win, game->img_3d.img, 0, 0);
    if (DISABLE_2D_MAP == true)
        mlx_put_image_to_window(
            game->mlx, game->win, game->img_2d.img, IMG_3D_WIDTH, 0);
}
    //debug_frame(game, "render_frame()");