BauSystem/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java

/* 
    This file is a part of the SteamWar software.
    
    Copyright (C) 2020  SteamWar.de-Serverteam

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package de.steamwar.bausystem;

import de.steamwar.bausystem.commands.*;
import de.steamwar.bausystem.world.*;
import de.steamwar.core.CommandRemover;
import de.steamwar.core.Core;
import de.steamwar.core.VersionedRunnable;
import de.steamwar.scoreboard.SWScoreboard;
import de.steamwar.sql.SteamwarUser;
import org.bukkit.Bukkit;
import org.bukkit.GameRule;
import org.bukkit.Material;
import org.bukkit.attribute.Attribute;
import org.bukkit.enchantments.Enchantment;
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.inventory.InventoryClickEvent;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.scheduler.BukkitTask;

import java.util.UUID;
import java.util.logging.Level;

public class BauSystem extends JavaPlugin implements Listener {
    private static BauSystem plugin;
    private static UUID owner;
    public static final String PREFIX = "§eBauSystem§8» §7";

    private BukkitTask autoShutdown;

    @Override
    public void onEnable() {
        plugin = this;

        try {
            owner = UUID.fromString(Bukkit.getWorlds().get(0).getName());
        } catch (IllegalArgumentException e) {
            owner = null;
        }

        try {
            CommandRemover.removeAll("tp", "gamemode", "time", "clear");
            CommandInjector.injectCommand(new CommandTeleport());
            CommandInjector.injectCommand(new CommandGamemode());
            CommandInjector.injectCommand(new CommandTime());
            CommandInjector.injectCommand(new CommandClear());
        } catch (Exception e) {
            getLogger().log(Level.SEVERE, "Failed to replace commands", e);
            Bukkit.shutdown();
            return;
        }

        new CommandTrace();
        new CommandTPSLimiter();
        new CommandNV();
        new CommandReset();
        new CommandSpeed();
        new CommandTNT();
        new CommandBau();
        getCommand("fire").setExecutor(new CommandFire());
        getCommand("freeze").setExecutor(new CommandFreeze());
        new CommandTestblock();
        getCommand("bauinfo").setExecutor(new CommandInfo());
        new CommandProtect();
        new CommandSkull();
        new CommandLoader();
        getCommand("lockschem").setExecutor(new CommandLockschem());
        new CommandDebugStick();
        getCommand("watervision").setExecutor(new CommandGills());
        new CommandDetonator();
        new CommandScript();
        getCommand("scriptvars").setExecutor(new CommandScriptVars());
        getCommand("scriptvars").setTabCompleter(new CommandScriptVarsTabCompleter());
        new CommandSimulator();
        new CommandRedstoneTester();
        getCommand("gui").setExecutor(new CommandGUI());

        Bukkit.getPluginManager().registerEvents(this, this);
        Bukkit.getPluginManager().registerEvents(new RegionListener(), this);
        Bukkit.getPluginManager().registerEvents(new ScriptListener(), this);
        Bukkit.getPluginManager().registerEvents(new BauScoreboard(), this);
        Bukkit.getPluginManager().registerEvents(new ClipboardListener(), this);
        Bukkit.getPluginManager().registerEvents(new TNTSimulatorListener(), this);
        Bukkit.getPluginManager().registerEvents(new CommandGUI(), this);
        Bukkit.getPluginManager().registerEvents(new DetonatorListener(), this);
        VersionedRunnable.call(new VersionedRunnable(() -> Bukkit.getPluginManager().registerEvents(new RedstoneListener(), this), 15));
        new AFKStopper();

        autoShutdown = Bukkit.getScheduler().runTaskLater(this, Bukkit::shutdown, 1200);
        TPSUtils.init();
    }

    public static BauSystem getPlugin() {
        return plugin;
    }

    public static UUID getOwner() {
        //Lazy loading to improve startup time of the server in 1.15
        if (owner == null) {
            try {
                owner = SteamwarUser.get(Integer.parseInt(Bukkit.getWorlds().get(0).getName())).getUUID();
            } catch (NumberFormatException e) {
                Bukkit.shutdown();
                throw new SecurityException("owner is not a UserID", e);
            }
        }
        return owner;
    }

    public static int getOwnerID() {
        return SteamwarUser.get(getOwner()).getId();
    }

    @EventHandler
    public void onDeath(PlayerDeathEvent e) {
        e.setDeathMessage(null);
    }

    @EventHandler
    public void onJoin(PlayerLoginEvent e) {
        if (autoShutdown != null) {
            autoShutdown.cancel();
            autoShutdown = null;
        }

        Player p = e.getPlayer();
        p.setOp(true);

        if (Core.getVersion() == 15)
            Bukkit.getWorlds().get(0).setGameRule(GameRule.REDUCED_DEBUG_INFO, false);
    }

    @EventHandler
    public void onLeave(PlayerQuitEvent e) {
        Player p = e.getPlayer();
        SWScoreboard.removeScoreboard(p);
        if (Bukkit.getOnlinePlayers().isEmpty() || (Bukkit.getOnlinePlayers().size() == 1 && Bukkit.getOnlinePlayers().contains(p))) {
            Bukkit.shutdown();
        }
    }

    @EventHandler
    public void onInventoryClick(InventoryClickEvent e) {
        ItemStack stack = e.getCursor();
        if (stack == null || !stack.hasItemMeta())
            return;
        assert stack.getItemMeta() != null;
        if (stack.getItemMeta().hasEnchants()) {
            for (Enchantment en : Enchantment.values()) {
                if (stack.getEnchantmentLevel(en) > en.getMaxLevel())
                    stack.removeEnchantment(en);
            }
        }

        Material material = stack.getType();
        if (material == Material.POTION || material == Material.SPLASH_POTION || material == Material.LINGERING_POTION) {
            stack.setType(Material.MILK_BUCKET);
        }

        if (Core.getVersion() < 14) {
            e.setCurrentItem(stack);
            return;
        }

        if (stack.getItemMeta().hasAttributeModifiers()) {
            ItemMeta meta = stack.getItemMeta();
            for (Attribute a : Attribute.values()) {
                meta.removeAttributeModifier(a);
            }
            stack.setItemMeta(meta);
        }
        e.setCurrentItem(stack);
    }
}