Java >_<

package com.Mouamle.Rutials;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World.Environment;
import org.bukkit.block.Block;
import org.bukkit.entity.ArmorStand;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.util.EulerAngle;



public class Altar implements Listener{

    EulerAngle CoreHand = EulerAngle.ZERO.add(300, 0, 0);


    @EventHandler
    public void onInteractEvent(PlayerInteractEvent event) {
        if (event.getAction() == org.bukkit.event.block.Action.RIGHT_CLICK_BLOCK ) {

            if ( event.getClickedBlock().getType() == Material.ENDER_STONE ){

                if ( event.getItem().getType() == Material.NETHER_STAR){

                    // Player and Core variables
                    Player p = event.getPlayer();
                    Block Core = event.getClickedBlock();


                    // Core X, Y, Z
                    int CoreX = Core.getX();
                    int CoreY = Core.getY();
                    int CoreZ = Core.getZ();

                    // Core Location
                //  Location CoreLocation = Core.getLocation();


                    // Check the area for the altar and Summoning the altar
                 if(     Bukkit.getWorldType().equals(Environment.NETHER) ||
                         p.getWorld().getBlockAt(CoreX + 3, CoreY, CoreZ).getType() != Material.AIR ||
                         p.getWorld().getBlockAt(CoreX, CoreY, CoreZ + 3).getType() != Material.AIR ||
                         p.getWorld().getBlockAt(CoreX - 3, CoreY, CoreZ).getType() != Material.AIR ||
                         p.getWorld().getBlockAt(CoreX, CoreY, CoreZ - 3).getType() != Material.AIR ||
                         p.getWorld().getBlockAt(CoreX, CoreY + 1, CoreZ).getType() != Material.AIR ||
                         p.getWorld().getBlockAt(CoreX, CoreY - 1, CoreZ).getType() == Material.AIR
                        ){p.sendMessage(ChatColor.RED + "Can't summon the altar here!");}else{
                            p.getWorld().getBlockAt(CoreX, CoreY, CoreZ + 3).setType(Material.OBSIDIAN);
                            p.getWorld().getBlockAt(CoreX, CoreY, CoreZ - 3).setType(Material.OBSIDIAN);
                            p.getWorld().getBlockAt(CoreX + 3, CoreY, CoreZ).setType(Material.OBSIDIAN);
                            p.getWorld().getBlockAt(CoreX - 3, CoreY, CoreZ).setType(Material.OBSIDIAN);
                            p.getWorld().getBlockAt(CoreX, CoreY, CoreZ).setType(Material.AIR);
                            p.sendMessage( ChatColor.GREEN + "Sucssufly summon the altar!");

                            Location CoreL = Core.getLocation();

                            ItemStack Sword = new ItemStack(Material.DIAMOND_SWORD);

                            Location CorNewL = CoreL.add(0.75, 0, 0).subtract(0, 0.25, 0);

                            ArmorStand CoreStand = p.getWorld().spawn(CorNewL, ArmorStand.class);

                            CoreStand.setBasePlate(false);
                            CoreStand.setGravity(false);
                            CoreStand.setArms(true);
                            CoreStand.setRightArmPose(CoreHand);
                            CoreStand.setItemInHand(Sword);
                            p.getWorld().getBlockAt(CoreX, CoreY, CoreZ).setType(Material.ENDER_STONE);


                        }


                    //set.getBlockAt(CoreX +3 , CoreY, CoreZ);




                }else if ( event.getItem().getType() == Material.NETHER_BRICK_ITEM ){
                    Player p = event.getPlayer();
                    Block Core = event.getClickedBlock();

                    // Core X, Y, Z
                    int CoreX = Core.getX();
                    int CoreY = Core.getY();
                    int CoreZ = Core.getZ();


                    if (p.getWorld().getBlockAt(CoreX, CoreY, CoreZ + 3).getType() == Material.OBSIDIAN &&
                        p.getWorld().getBlockAt(CoreX, CoreY, CoreZ - 3).getType() == Material.OBSIDIAN &&
                        p.getWorld().getBlockAt(CoreX + 3, CoreY, CoreZ).getType() == Material.OBSIDIAN &&
                        p.getWorld().getBlockAt(CoreX - 3, CoreY, CoreZ).getType() == Material.OBSIDIAN
                        ){

                        p.getWorld().getBlockAt(CoreX, CoreY, CoreZ).setType(Material.AIR);
                        p.getWorld().getBlockAt(CoreX, CoreY, CoreZ + 3).setType(Material.AIR);
                        p.getWorld().getBlockAt(CoreX, CoreY, CoreZ - 3).setType(Material.AIR);
                        p.getWorld().getBlockAt(CoreX + 3, CoreY, CoreZ).setType(Material.AIR);
                        p.getWorld().getBlockAt(CoreX - 3, CoreY, CoreZ).setType(Material.AIR);
                        p.sendMessage(ChatColor.GREEN + "Sucssufly remove the altar");
                    }else{
                        p.sendMessage(ChatColor.RED + "I can't see any altar here!");
                    }
                }

            }

        }

    }

}