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

#include <cub3d.h>
#include <stdint.h>
#include <pthread.h>

void
	ft_draw_verline(t_cub *cl, int32_t x, int32_t y, int32_t y2)
{
	int32_t	d;
	int32_t tex_y;

	(y < 0) ? (y = 0) : 0;
	(y2 < 0) ? (y2 = 0) : 0;
	(cl->rlist.line_h_tab[x] <= 0) ? (cl->rlist.line_h_tab[x] = 1) : 0;
	while (y < y2)
	{
		d = y * 256 - cl->wlist.y_size * 128 + cl->rlist.line_h_tab[x] * 128;
		d = (d <= 0) ? (-d) : (d);
		tex_y = ((d * cl->tlist[cl->rlist.w_side_tab[x]].img_h)
			/ cl->rlist.line_h_tab[x]) / 256;
		(tex_y <= 0) ? (tex_y = 1) : 0;
		ft_draw_texture(cl, x, y, tex_y);
		y++;
	}
}

void
	*ft_wall_cast(void *vargp)
{
	pthread_t	tid[5];
	t_cub		*cl;

	cl = (t_cub *)vargp;
	pthread_create(&tid[0], 0x0, ft_wall_one, (void*)cl);
	pthread_create(&tid[1], 0x0, ft_wall_two, (void*)cl);
	pthread_create(&tid[2], 0x0, ft_wall_three, (void*)cl);
	pthread_create(&tid[3], 0x0, ft_wall_four, (void*)cl);
	pthread_create(&tid[4], 0x0, ft_wall_five, (void*)cl);
	pthread_join(tid[4], 0x0);
	pthread_join(tid[3], 0x0);
	pthread_join(tid[2], 0x0);
	pthread_join(tid[1], 0x0);
	pthread_join(tid[0], 0x0);
	pthread_exit(0x0);
	return (0x0);
}