GoldEnchantPlayerListener.java

package me.GoldEnchantTeam.GoldEnchant;

import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerListener;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.util.Vector;

public class GoldEnchantPlayerListener extends PlayerListener {
    public GoldEnchantPlayerListener(GoldEnchant goldEnchant) {
        // TODO Auto-generated constructor stub
    }

    public void onPlayerMove(PlayerMoveEvent event) {
        final Player eventPlayer = (Player) event.getPlayer();
        if (event.getPlayer().isSneaking()
                && event.getPlayer().getInventory().getLeggings().getType()
                        .equals(Material.CHAINMAIL_LEGGINGS)
                && eventPlayer.hasPermission("goldEnchant.leggings")) {
            Vector maximumVector = event.getTo().toVector()
                    .subtract(event.getFrom().toVector()).normalize()
                    .multiply(3);
            Double maximumlength = maximumVector.length();
            Double currentlength = event.getPlayer().getVelocity().length();
            if (currentlength > maximumlength) {
                event.getPlayer().setVelocity(maximumVector);
                return;
            }
            Vector dir = event.getPlayer().getLocation().getDirection()
                    .multiply(3);
            event.getPlayer().setVelocity(dir);
        }
    }

    public void onPlayerInteract(PlayerInteractEvent event) {
        final Player eventPlayer = (Player) event.getPlayer();
        if (event.getClickedBlock().getType() == Material.DIAMOND_BLOCK
                && eventPlayer.hasPermission("goldEnchant.enchant")) {
            ItemStack item = event.getItem();
            short d = item.getDurability();
            Player p = event.getPlayer();
            switch (item.getType()) {
            case GOLD_HELMET:
                item.setType(Material.CHAINMAIL_HELMET);
                item.setDurability(d);
                p.sendMessage("[GoldEnchant] Helmet enchanted! You can breate underwater!");
                break;
            case GOLD_CHESTPLATE:
                item.setType(Material.CHAINMAIL_CHESTPLATE);
                item.setDurability(d);
                p.sendMessage("[GoldEnchant] Chestplate enchanted! You can go all out god-mode");
                break;
            case GOLD_LEGGINGS:
                item.setType(Material.CHAINMAIL_LEGGINGS);
                item.setDurability(d);
                p.sendMessage("[GoldEnchant] Leggings enchanted! You can go really fast!");
                break;
            case GOLD_BOOTS:
                item.setType(Material.CHAINMAIL_BOOTS);
                item.setDurability(d);
                p.sendMessage("[GoldEnchant] Boots enchanted! You can fall from the moon!");
                break;
            }
        }
    }
}