creeperpit/src/main/java/eu/creeper/mc/creeperPit/Main.java

package eu.creeper.mc.creeperPit;

import eu.creeper.mc.creeperPit.worldguard.Handler;
import eu.creeper.mc.creeperPit.worldguard.Region;
import eu.creeper.mc.creeperPit.worldguard.WGManager;
import org.bukkit.*;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.player.*;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.PlayerInventory;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import eu.creeper.mc.creeperPit.config.CFGInit;

import java.util.Objects;

public final class Main extends JavaPlugin implements Listener {
    private Location spawnLocation;

    @Override
    public void onEnable() {
        World world = getMainWorld();
        this.spawnLocation = new Location(world, -643.5D, 36D, 444.5D, -180F, 0F);
        Bukkit.getPluginManager().registerEvents(this, this);
        Bukkit.getPluginManager().registerEvents(new Handler(), this);
        registerRegions(world);
        initConfig();
    }

    private World getMainWorld() {
        World world = Bukkit.getWorld("world");
        if (world == null) {
            world = Bukkit.getWorlds().get(0);//fallback
        }
        return world;
    }

    private void registerRegions(World world) {
        Region spawn = new Region("spawn", new Location(world, -659.0D, 36.0D, 402.0D), new Location(world, -629.0D, 55.0D, 448.0D), "Safe");
        spawn.setAllowBuild(false);
        spawn.setAllowBreak(false);
        spawn.setAllowDrop(false);
        spawn.setAllowPvp(false);

        Region spawnReg = new Region("spawnreg", new Location(world, -650.0D, 0.0D, 423.0D), new Location(world, -639.0D, 255.0D, 411.0D), "Safe");
        spawnReg.setAllowBuild(false);
        spawnReg.setAllowBreak(false);
        spawnReg.setAllowDrop(true);
        spawnReg.setAllowPvp(false);

        WGManager.registerRegion(spawn);
        WGManager.registerRegion(spawnReg);
    }

    @EventHandler
    public void onJoin(PlayerJoinEvent event) {
        Player player = event.getPlayer();

        event.setJoinMessage(ChatColor.GREEN + "" + ChatColor.BOLD + "[+] " + ChatColor.RESET + ChatColor.YELLOW + player.getName());

        setupPlayer(player);
    }
    @EventHandler
    public void onQuit(PlayerQuitEvent event) {
        event.setQuitMessage(ChatColor.RED + "" + ChatColor.BOLD + "[-] " + ChatColor.RESET + ChatColor.YELLOW + event.getPlayer().getName());
    }

    @EventHandler
    public void onItemDrop(PlayerDropItemEvent event) {
        Region reg = WGManager.getRegionAt(event.getPlayer().getLocation());
        if (reg == null || !reg.canDrop()) event.setCancelled(true);

        ItemStack item = event.getItemDrop().getItemStack();
        Material type = item.getType();

        boolean forbiddenArmor =
                type == Material.IRON_HELMET ||
                        type == Material.IRON_CHESTPLATE ||
                        type == Material.IRON_LEGGINGS ||
                        type == Material.IRON_BOOTS;
        boolean forbiddenStaff =
                type == Material.BLAZE_ROD &&
                        item.hasItemMeta() &&
                        Objects.equals(item.getItemMeta().getDisplayName(), ChatColor.GOLD + "CreeperStaff Manager");

        event.setCancelled(forbiddenArmor || forbiddenStaff);
    }
    @EventHandler
    public void onDeath(PlayerDeathEvent event) {
        Player victim = event.getEntity();
        Player killer = victim.getKiller();
        event.setDeathMessage(killer != null ? ChatColor.RED + victim.getName() + " got stabbed by " + killer.getName() : ChatColor.RED + victim.getName() + " magically respawned");

        event.getDrops().removeIf(item -> {
            Material type = item.getType();
            if (type.name().startsWith("IRON_") || type == Material.BOW || type == Material.FISHING_ROD) return true;
            return type == Material.BLAZE_ROD &&
                    item.hasItemMeta() &&
                    item.getItemMeta().hasDisplayName() &&
                    item.getItemMeta().getDisplayName().equals(ChatColor.GOLD + "CreeperStaff Manager");
        });
    }
    @EventHandler
    public void onRespawn(PlayerRespawnEvent event) {
        Bukkit.getScheduler().runTaskLater(this, () -> setupPlayer(event.getPlayer()), 5L);
    }

    private void setupPlayer(Player player) {
        player.teleport(spawnLocation);
        player.setGameMode(GameMode.SURVIVAL);

        PlayerInventory inv = player.getInventory();
        inv.clear();

        inv.setHelmet(new ItemStack(Material.IRON_HELMET));
        inv.setChestplate(new ItemStack(Material.IRON_CHESTPLATE));
        inv.setLeggings(new ItemStack(Material.IRON_LEGGINGS));
        inv.setBoots(new ItemStack(Material.IRON_BOOTS));
        inv.addItem(new ItemStack(Material.IRON_SWORD), new ItemStack(Material.FISHING_ROD), new ItemStack(Material.BOW), new ItemStack(Material.ARROW, 16), new ItemStack(Material.GOLDEN_APPLE, 2));

        player.addPotionEffect(new PotionEffect(PotionEffectType.NIGHT_VISION, Integer.MAX_VALUE, 0, true, false));
        player.addPotionEffect(new PotionEffect(PotionEffectType.SATURATION, Integer.MAX_VALUE, 0, true, false));

        player.setHealth(20.0);
        player.setFoodLevel(20);
    }

    private void initConfig() {
        CFGInit cfgInit = new CFGInit(this);
        cfgInit.itemShop.save("[]");
        cfgInit.effectShop.save("[]");

        FileConfiguration wgCfgFile = cfgInit.worldguard.get();
        ConfigurationSection globalSection = wgCfgFile.getConfigurationSection("global");
        if (globalSection == null) {
            globalSection = wgCfgFile.createSection("global");

            //coord
            globalSection.set("x1", true);
            globalSection.set("y1", true);
            globalSection.set("z1", true);
            globalSection.set("x2", true);
            globalSection.set("y2", true);
            globalSection.set("z2", true);
            //can do x thing
            globalSection.set("canBuild", true);
            globalSection.set("canBreak", true);
            globalSection.set("canPvp", true);
            globalSection.set("canDrop", true);
        }
        cfgInit.worldguard.save();
    }
}