/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_death_screen.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:20:05 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:20:06 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <cub3d.h>
#include <mlx.h>
#include <stdlib.h>
#include <unistd.h>

static void
	ft_draw_death_screen(int32_t x_ratio, int32_t y_ratio, t_cub *cl)
{
	int32_t	x;
	int32_t	y;

	y = 0;
	while (y < (int32_t)cl->wlist.y_size)
	{
		x = 0;
		cl->death_screen.tex_y = ((y * y_ratio) >> 16);
		while (x < (int32_t)cl->wlist.x_size)
		{
			cl->death_screen.tex_x = ((x * x_ratio) >> 16);
			cl->img.ptr[x * 4 + (cl->img.sizeline * y)] =
				(uint8_t)cl->death_screen.ptr[cl->death_screen.tex_x * 4 + 4 *
				cl->death_screen.img_w * cl->death_screen.tex_y];
			cl->img.ptr[x * 4 + (cl->img.sizeline * y) + 1] =
				(uint8_t)cl->death_screen.ptr[cl->death_screen.tex_x * 4 + 4 *
				cl->death_screen.img_w * cl->death_screen.tex_y + 1];
			cl->img.ptr[x * 4 + (cl->img.sizeline * y) + 2] =
				(uint8_t)cl->death_screen.ptr[cl->death_screen.tex_x * 4 + 4 *
				cl->death_screen.img_w * cl->death_screen.tex_y + 2];
			x++;
		}
		y++;
	}
}

static void
	ft_calc_death_screen(t_cub *cl)
{
	int32_t	x_ratio;
	int32_t	y_ratio;

	x_ratio = (int)((cl->death_screen.img_w << 16) / cl->wlist.x_size) + 1;
	y_ratio = (int)((cl->death_screen.img_h << 16) / cl->wlist.y_size) + 1;
	ft_draw_death_screen(x_ratio, y_ratio, cl);
}

void
	ft_death_screen(t_cub *cl)
{
	cl->death_screen.img = mlx_xpm_file_to_image(cl->wlist.wlx,
		FT_DEATH_SCREEN_PATH, &cl->death_screen.img_w, &cl->death_screen.img_h);
	cl->death_screen.ptr = mlx_get_data_addr(cl->death_screen.img,
		&cl->death_screen.bpp, &cl->death_screen.sizeline,
		&cl->death_screen.endian);
	cl->img.img = mlx_new_image(cl->wlist.wlx,
		cl->wlist.x_size, cl->wlist.y_size);
	cl->img.ptr = mlx_get_data_addr(cl->img.img, &cl->img.bpp,
		&cl->img.sizeline, &cl->img.endian);
	ft_calc_death_screen(cl);
	mlx_put_image_to_window(cl->wlist.wlx, cl->wlist.winptr,
		cl->img.img, 0, 0);
	mlx_destroy_image(cl->wlist.wlx, cl->img.img);
	mlx_destroy_image(cl->wlist.wlx, cl->death_screen.img);
	ft_death_hooks(&cl->wlist, cl);
}