/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_extra_keys.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:22:32 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:23:42 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <cub3d.h>
#include <libft.h>
#include <stdio.h>

static void
	ft_hitscan(t_cub *cl, uint16_t hit)
{
	while (hit == 0)
	{
		if (cl->rlist.x_side_dist < cl->rlist.y_side_dist)
		{
			cl->rlist.x_side_dist += cl->rlist.x_delta_dist;
			cl->rlist.sqx += cl->mlist.x_step;
			cl->rlist.side = 0;
		}
		else
		{
			cl->rlist.y_side_dist += cl->rlist.y_delta_dist;
			cl->rlist.sqy += cl->mlist.y_step;
			cl->rlist.side = 1;
		}
		if (ft_ischarset(FT_CHRST_SPRITES,
			cl->mlist.map[cl->rlist.sqx][cl->rlist.sqy]))
		{
			hit = 1;
			cl->mlist.map[cl->rlist.sqx][cl->rlist.sqy] = '0';
			ft_get_sprite_spawn(cl);
		}
		else if (ft_ischarset("1",
			cl->mlist.map[cl->rlist.sqx][cl->rlist.sqy]))
			hit = 1;
	}
}

void
	ft_shoot(t_cub *cl, uint16_t i)
{
	t_win		*wl;
	t_player	*pl;

	wl = &cl->wlist;
	pl = &cl->plist;
	pl->cam_x = 2 * i / (float)(wl->x_size) - 1;
	cl->rlist.x_ray_pos = pl->pos_y;
	cl->rlist.y_ray_pos = pl->pos_x;
	cl->rlist.x_ray_dir = pl->dir_x + pl->plane_x *
		pl->cam_x;
	cl->rlist.y_ray_dir = pl->dir_y + pl->plane_y *
		pl->cam_x;
	cl->rlist.sqx = (int16_t)cl->rlist.x_ray_pos;
	cl->rlist.sqy = (int16_t)cl->rlist.y_ray_pos;
	ft_detection_init_x(cl);
	ft_detection_init_y(cl);
	ft_hitscan(cl, 0);
}