Utils.java

package net.unique.worldborder;

import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.entity.Player;

public class Utils {
    public static String getCardinalDirection(Player player) {
        double rotation = (player.getLocation().getYaw() - 90) % 360;
        if (rotation < 0) {
            rotation += 360.0;
        }
         if (0 <= rotation && rotation < 22.5) {
            return "N";
        } else if (22.5 <= rotation && rotation < 67.5) {
            return "NE";
        } else if (67.5 <= rotation && rotation < 112.5) {
            return "E";
        } else if (112.5 <= rotation && rotation < 157.5) {
            return "SE";
        } else if (157.5 <= rotation && rotation < 202.5) {
            return "S";
        } else if (202.5 <= rotation && rotation < 247.5) {
            return "SW";
        } else if (247.5 <= rotation && rotation < 292.5) {
            return "W";
        } else if (292.5 <= rotation && rotation < 337.5) {
            return "NW";
        } else if (337.5 <= rotation && rotation < 360.0) {
            return "N";
        } else {
            return null;
        }
    }

    public static void clearBlocks(Location l, String caridinalDirection) {
        switch (caridinalDirection) {
        case "N":
            //new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() - 1);
            new Location(l.getWorld(), l.getX() + 1, l.getY(), l.getZ()).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() + 1).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX() - 1, l.getY(), l.getZ()).getBlock().setType(Material.AIR);
            break;
        case "E":
            //new Location(l.getWorld(), l.getX() + 1, l.getY(), l.getZ());
            new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() - 1).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() + 1).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX() - 1, l.getY(), l.getZ()).getBlock().setType(Material.AIR);
            break;
        case "S":
            //new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() + 1);
            new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() - 1).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX() + 1, l.getY(), l.getZ()).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX() - 1, l.getY(), l.getZ()).getBlock().setType(Material.AIR);
            break;
        case "W":
            //new Location(l.getWorld(), l.getX() - 1, l.getY(), l.getZ());
            new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() - 1).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX() + 1, l.getY(), l.getZ()).getBlock().setType(Material.AIR);
            new Location(l.getWorld(), l.getX(), l.getY(), l.getZ() + 1).getBlock().setType(Material.AIR);
            break;
        }
    }
}