#include "cube3d.h"

static void	draw_floor_ceiling(t_game *game, t_rcast *rcast, t_txt *txt)
{
	t_vec	plan;

	plan.start.x = rcast->ray_nb;
	plan.end.x = rcast->ray_nb;
	if (rcast->wall.vec.start.y > 0)
	{
		plan.start.y = rcast->screen_height;
		plan.end.y = rcast->wall.vec.start.y;
		draw_line(&game->img, &plan, txt->rgb_floor);
	}
	if (rcast->wall.vec.start.y < rcast->screen_height)
	{
		plan.start.y = rcast->wall.vec.end.y;
		plan.end.y = 0;
		draw_line(&game->img, &plan, txt->rgb_ceiling);
	}
}

static void	draw_txt_line(t_img *img, t_rcast *rcast, t_wall *wall, t_img *txt_img, int color)
{
	(void)img;
	(void)wall;
	(void)txt_img;
	(void)color;

//	draw_line(img, &wall->vec, color);

	int	img_x;

	img_x = (wall->posx * txt_img->width) / rcast->cell;
printf("img_x:%i\n", img_x);

//	t_coord	dist;
//	int		i;
//	int		j;
//
//	dist.x = (*vec).end.x - (*vec).start.x;
//	dist.y = (*vec).end.y - (*vec).start.y;
//	i = 0;
//	j = 0;
//	while (ft_abs(i) <= ft_abs(dist.x) && ft_abs(j) <= ft_abs(dist.y))
//	{
//		draw_pixel(img, (*vec).start.x + i, (*vec).start.y + j, color);
//		if (!ft_abs(dist.x) || ft_abs(j) < ft_abs(i * dist.y / dist.x))
//			j += ft_sign(dist.y);
//		else
//			i += ft_sign(dist.x);
//	}
}

void	draw_column(t_game *game, t_rcast *rcast, t_wall *wall, t_txt *txt)
{
	int	color_n;
	int	color_s;
	int	color_e;
	int	color_o;

	(void)wall;
	color_n = 0x00FF00FF;
	color_s = 0x0000EEEE;
	color_e = 0x00DDDD00;
	color_o = 0x00CCCCCC;
	draw_floor_ceiling(game, rcast, txt);
	if (!rcast->is_x && rcast->slope_y > 0)
		draw_txt_line(&game->img, rcast, wall, &txt->img_n, color_n);
	if (!rcast->is_x && rcast->slope_y < 0)
		draw_line(&game->img, &rcast->wall.vec, color_s);
	if (rcast->is_x && rcast->slope_x > 0)
		draw_line(&game->img, &rcast->wall.vec, color_e);
	if (rcast->is_x && rcast->slope_x < 0)
		draw_line(&game->img, &rcast->wall.vec, color_o);
}