main.java

package Crates;

import java.util.ArrayList;
import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;

import net.md_5.bungee.api.ChatColor;

public class main extends JavaPlugin implements Listener{
    public void onEnable(){ 
        getServer().getPluginManager().registerEvents(this, this);
    } 
    @EventHandler
    private ItemStack getkey() {
        ItemStack item = new ItemStack(Material.TRIPWIRE_HOOK, 1);
        ItemMeta meta = item.getItemMeta();
        meta.setDisplayName("Legendary Key");{
            List<String> lore = new ArrayList<String>();
            lore.add("Legendary Key");
            meta.setLore(lore);
        }
        item.setItemMeta(meta);
        return item;
    }
    
    static String[] itemIndex = new String[]{"BEACON","3","BOW","10","DIAMOND","0.1","DIAMOND_PICKAXE","5","EGG","20","DEAD_BUSH","20","PORK","5","STICK","20","TNT","16.9"}; //Item first, then odds of getting that item after it eg. "STICK","20" (20 is 20%)
    int indexSize = 1000; //Size of index to create for random, higher number means more accurate random
    
    @EventHandler
    public static void splitItemIndex() {
        int c = 0;
        String[] itemsOfItemIndex = new String[]{};
        String[] constructedIndex = new String[]{};
        Float[] oddsOfItemIndex = new Float[]{};

        while (p < (itemIndex.length / 2)){
			if (c == 0){
                itemsOfItemIndex.push(itemIndex[0]);
                oddsOfItemIndex.push(itemIndex[0]);
            }
            else {
                int pO = c + c - 1;
                
                oddsOfItemIndex.push(itemIndex[pO]);
                itemsOfItemIndex.push(itemIndex[c + c]);
            }
            
            c = c++;
        }
        
        int c = 0;
    	
        while (p < itemsOfItemIndex.length){
            if (c == 0){
            	constructedIndex.push(Math.ceil(oddsOfItemIndex[0] / 100));
            }
            else{
            	int i = 0;
            	
            	while (i < Math.ceil(oddsOfItemIndex[c] / 100)) {
            		constructedIndex.push(itemsOfitemIndex[c]);
            		
            		i = i++;
            	}
                constructedIndex.push(oddsOfItemIndex[c] * (indexSize / Math.ceil(oddsOfItemIndex[c] / 100)));
            }
            c = c++;
        }
    }
    @EventHandler
    public void playerInteract(PlayerInteractEvent event){
        Player player = event.getPlayer(); // Get Player
        if ((event.getAction() == Action.RIGHT_CLICK_BLOCK && event.getClickedBlock().equals(Material.CHEST) && event.getClickedBlock().getItemMeta().getLore().contains("KeyChest"))){
            if ((event.getPlayer().getItemInHand().getType().equals(Material.TRIPWIRE_HOOK))){
                if ((event.getPlayer().getItemInHand().getItemMeta().getLore().equals("Legendary Key"))){
                    player.sendMessage(ChatColor.DARK_AQUA + "This is a Legendary key!" + "");
                    Inventory spinnerInv = Bukkit.createInventory(null, 9, "Legendary Key Chest");

                    public static void spinner(){
                    	int p = 0;
                    	splitItemIndex();
                        int spinnerLength = 30; //Times to run the spinner before it stops
						while (p < spinnerLength ){
                            spinner.setItem((p + 1), new ItemStack(Material.(itemsOfItemIndex[Math.random() * constructedIndex.length])));
                            
                            p = p++;
                        }
                    }
                    
                else if ((event.getPlayer().getItemInHand().getItemMeta().getLore().equals("Awesome Key"))){
                    player.sendMessage(ChatColor.DARK_RED + "This is the wrong chest, use the Awesome chest!" + "");
                }
                else{
                    player.sendMessage(ChatColor.DARK_RED + "This is the wrong chest, use the Special chest!" + "");
                }
            }
            else{
                player.sendMessage(ChatColor.DARK_RED + "You must use a key to use this chest!" + "");
            }
        }
    }
    @EventHandler
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        Player player = event.getPlayer(); 
        if(cmd.getName().equalsIgnoreCase("givekey")){
            player.getInventory().addItem(getkey());
        }
        return false;
    }
    public void onDisable(){

    }
}