/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_draw_verline.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 <stdio.h>

static void
	ft_draw_floor(t_cub *cl, int32_t y, int32_t x)
{
	while ((uint32_t)y < cl->wlist->y_size)
	{
		*(int*)(cl->img.ptr +
				(x * 4 + (y * cl->img.sizeline))) = ft_rgb_to_hex(cl->f_rgb);
		y++;
	}
}

static void
	ft_draw_ceil(t_cub *cl, int32_t y, int32_t x)
{
	int16_t	i;

	i = 0;
	while (i <= y)
	{
		*(int*)(cl->img.ptr +
			(x * 4 + (i * cl->img.sizeline))) = ft_rgb_to_hex(cl->c_rgb);
		i++;
	}
}

int8_t
	ft_draw_verline(t_cub *cl, int32_t x, int32_t y1, int32_t y2)
{
	int32_t y;
	int32_t t;
	int32_t	d;

	if (y1 < 0)
		y1 = 0;
	if (y2 < 0)
		y2 = 0;
	if ((uint32_t)y2 >= cl->wlist->y_size)
		y2 = cl->wlist->x_size - 1;
	if (y1 > y2)
	{
		t = y1;
		y1 = y2;
		y2 = t;
	}
	y = y1;
	ft_draw_ceil(cl, y, x);
	ft_choose_tex(cl);
	while (y1 < y2)
	{
		d = y * 256 - cl->wlist->y_size * 128 + cl->rlist.line_h * 128;
		printf(" y : %d\ny_size : %d\nd : %d\nline_h : %d\n", y, cl->wlist->y_size, d, cl->rlist.line_h);
		cl->tlist[cl->w_side].tex_y = ((d * cl->tlist[cl->w_side].img_w)
			/ cl->rlist.line_h) / 256;
		/*printf("w_side : %d\nd : %d\ntex_y : %d\n", cl->w_side, d, cl->tlist[cl->w_side].tex_y);*/
		ft_draw_texture(cl, x, y, cl->tlist[cl->w_side].tex_y);
	/**(int*)(cl->img.ptr + (x * 4 + (y * cl->img.sizeline))) = (cl->rlist.side) ? 0x2200ffaa : 0x0000ffaa;*/
		y1++;
	}
	ft_draw_floor(cl, y, x);
	return (0);
}