/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   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>

static void
	ft_draw_floor(t_cub *cl, int32_t y, int32_t x)
{
	while (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;

	if (y1 < 0)
		y1 = 0;
	if (y2 < 0)
		y2 = 0;
	if (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);
	while (y <= y2)
	{
		*(int*)(cl->img.ptr + (x * 4 + (y * cl->img.sizeline))) = 0x0000ffaa;
		y++;
	}
	ft_draw_floor(cl, y, x);
	return (0);
}