279 lines
10 KiB
Java
279 lines
10 KiB
Java
package com.songoda.epicbuckets.util.gui;
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import com.songoda.epicbuckets.EpicBuckets;
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import com.songoda.epicbuckets.util.ServerVersion;
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import com.songoda.epicbuckets.util.version.NMSUtil;
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import org.bukkit.Bukkit;
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import org.bukkit.Sound;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.HandlerList;
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import org.bukkit.event.Listener;
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import org.bukkit.event.inventory.InventoryClickEvent;
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import org.bukkit.event.inventory.InventoryCloseEvent;
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import org.bukkit.event.player.PlayerQuitEvent;
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import org.bukkit.inventory.Inventory;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.inventory.meta.ItemMeta;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.HashMap;
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import java.util.Map;
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public class AbstractAnvilGUI {
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private static Class<?> BlockPosition;
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private static Class<?> PacketPlayOutOpenWindow;
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private static Class<?> ContainerAnvil;
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private static Class<?> ChatMessage;
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private static Class<?> EntityHuman;
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private static boolean loadedClasses = false;
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private Player player;
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@SuppressWarnings("unused")
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private AnvilClickEventHandler handler;
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private Map<AnvilSlot, ItemStack> items = new HashMap<>();
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private OnClose onClose = null;
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private Inventory inv;
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private Listener listener;
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private Sound closeSound;
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public AbstractAnvilGUI(final Player player, final AnvilClickEventHandler handler) {
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loadClasses();
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this.player = player;
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this.handler = handler;
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this.listener = new Listener() {
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@EventHandler
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public void onInventoryClick(InventoryClickEvent event) {
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if (EpicBuckets.getInstance().isServerVersionAtLeast(ServerVersion.V1_9)) {
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if (EpicBuckets.getInstance().isServerVersionAtLeast(ServerVersion.V1_13))
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closeSound = Sound.ENTITY_PLAYER_LEVELUP;
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else
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closeSound = Sound.valueOf("LEVEL_UP");
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}
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if (!(event.getWhoClicked() instanceof Player) || !event.getInventory().equals(inv)) return;
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event.setCancelled(true);
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ItemStack item = event.getCurrentItem();
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int slot = event.getRawSlot();
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String name = "";
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if (item != null) {
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if (item.hasItemMeta()) {
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ItemMeta meta = item.getItemMeta();
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if (meta.hasDisplayName()) {
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name = meta.getDisplayName();
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}
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}
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}
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AnvilClickEvent clickEvent = new AnvilClickEvent(AnvilSlot.bySlot(slot), name);
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handler.onAnvilClick(clickEvent);
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if (clickEvent.getWillClose()) {
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event.getWhoClicked().closeInventory();
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}
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if (clickEvent.getWillDestroy()) {
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destroy();
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}
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}
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@EventHandler
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public void onInventoryClose(InventoryCloseEvent event) {
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if (!(event.getPlayer() instanceof Player)) return;
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Inventory inv = event.getInventory();
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player.setLevel(player.getLevel() - 1);
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if (!inv.equals(AbstractAnvilGUI.this.inv)) return;
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inv.clear();
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OnClose onClose = getOnClose();
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if (EpicBuckets.getInstance().isServerVersionAtLeast(ServerVersion.V1_9)) player.playSound(player.getLocation(), closeSound, 1F, 1F);
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Bukkit.getScheduler().scheduleSyncDelayedTask(EpicBuckets.getInstance(), () -> {
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if (onClose != null) onClose.OnClose(player, inv);
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destroy();
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}, 1L);
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}
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@EventHandler
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public void onPlayerQuit(PlayerQuitEvent event) {
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if (!event.getPlayer().equals(getPlayer())) return;
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player.setLevel(player.getLevel() - 1);
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destroy();
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}
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};
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Bukkit.getPluginManager().registerEvents(listener, EpicBuckets.getInstance());
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}
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private void loadClasses() {
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if (loadedClasses) return;
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BlockPosition = NMSUtil.getNMSClass("BlockPosition");
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PacketPlayOutOpenWindow = NMSUtil.getNMSClass("PacketPlayOutOpenWindow");
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ContainerAnvil = NMSUtil.getNMSClass("ContainerAnvil");
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EntityHuman = NMSUtil.getNMSClass("EntityHuman");
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ChatMessage = NMSUtil.getNMSClass("ChatMessage");
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loadedClasses = true;
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}
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public Player getPlayer() {
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return player;
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}
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public void setSlot(AnvilSlot slot, ItemStack item) {
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items.put(slot, item);
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}
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public void open() {
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player.setLevel(player.getLevel() + 1);
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try {
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Object craftPlayer = NMSUtil.getCraftClass("entity.CraftPlayer").cast(player);
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Method getHandleMethod = craftPlayer.getClass().getMethod("getHandle", new Class<?>[0]);
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Object entityPlayer = getHandleMethod.invoke(craftPlayer, new Object[0]);
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Object container;
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if (NMSUtil.getVersionNumber() == 7) {
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container = ContainerAnvil.getConstructor(new Class[]{NMSUtil.getNMSClass("PlayerInventory"), NMSUtil.getNMSClass("World"), Integer.TYPE, Integer.TYPE, Integer.TYPE, EntityHuman}).newInstance(new Object[]{NMSUtil.getFieldObject(entityPlayer, NMSUtil.getField(entityPlayer.getClass(), "inventory", false)), NMSUtil.getFieldObject(entityPlayer, NMSUtil.getField(entityPlayer.getClass(), "world", false)), Integer.valueOf(0), Integer.valueOf(0), Integer.valueOf(0), entityPlayer});
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} else {
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container = ContainerAnvil.getConstructor(NMSUtil.getNMSClass("PlayerInventory"), NMSUtil.getNMSClass("World"), BlockPosition, EntityHuman).newInstance(NMSUtil.getFieldObject(entityPlayer, NMSUtil.getField(entityPlayer.getClass(), "inventory", false)), NMSUtil.getFieldObject(entityPlayer, NMSUtil.getField(entityPlayer.getClass(), "world", false)), BlockPosition.getConstructor(int.class, int.class, int.class).newInstance(0, 0, 0), entityPlayer);
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}
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NMSUtil.getField(NMSUtil.getNMSClass("Container"), "checkReachable", true).set(container, false);
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Method getBukkitViewMethod = container.getClass().getMethod("getBukkitView", new Class<?>[0]);
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Object bukkitView = getBukkitViewMethod.invoke(container);
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Method getTopInventoryMethod = bukkitView.getClass().getMethod("getTopInventory", new Class<?>[0]);
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inv = (Inventory) getTopInventoryMethod.invoke(bukkitView);
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for (AnvilSlot slot : items.keySet()) {
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inv.setItem(slot.getSlot(), items.get(slot));
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}
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Method nextContainerCounterMethod = entityPlayer.getClass().getMethod("nextContainerCounter", new Class<?>[0]);
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int c = (int) nextContainerCounterMethod.invoke(entityPlayer);
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Constructor<?> chatMessageConstructor = ChatMessage.getConstructor(String.class, Object[].class);
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Object packet;
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if (NMSUtil.getVersionNumber() == 7) {
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packet = PacketPlayOutOpenWindow.getConstructor(new Class[]{Integer.TYPE, Integer.TYPE, String.class, Integer.TYPE, Boolean.TYPE, Integer.TYPE}).newInstance(new Object[]{Integer.valueOf(c), Integer.valueOf(8), "Repairing", Integer.valueOf(0), Boolean.valueOf(true), Integer.valueOf(0)});
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} else {
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packet = PacketPlayOutOpenWindow.getConstructor(int.class, String.class, NMSUtil.getNMSClass("IChatBaseComponent"), int.class).newInstance(c, "minecraft:anvil", chatMessageConstructor.newInstance("Repairing", new Object[]{}), 0);
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}
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NMSUtil.sendPacket(player, packet);
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Field activeContainerField = NMSUtil.getField(EntityHuman, "activeContainer", true);
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if (activeContainerField != null) {
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activeContainerField.set(entityPlayer, container);
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NMSUtil.getField(NMSUtil.getNMSClass("Container"), "windowId", true).set(activeContainerField.get(entityPlayer), c);
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Method addSlotListenerMethod = activeContainerField.get(entityPlayer).getClass().getMethod("addSlotListener", NMSUtil.getNMSClass("ICrafting"));
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addSlotListenerMethod.invoke(activeContainerField.get(entityPlayer), entityPlayer);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public void destroy() {
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onClose = null;
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player = null;
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handler = null;
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items = null;
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HandlerList.unregisterAll(listener);
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listener = null;
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}
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private OnClose getOnClose() {
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return onClose;
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}
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public void setOnClose(OnClose onClose) {
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this.onClose = onClose;
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}
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public void setCloseSound(Sound sound) {
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closeSound = sound;
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}
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public enum AnvilSlot {
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INPUT_LEFT(0),
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INPUT_RIGHT(1),
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OUTPUT(2);
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private int slot;
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private AnvilSlot(int slot) {
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this.slot = slot;
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}
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public static AnvilSlot bySlot(int slot) {
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for (AnvilSlot anvilSlot : values()) {
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if (anvilSlot.getSlot() == slot) {
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return anvilSlot;
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}
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}
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return null;
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}
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public int getSlot() {
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return slot;
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}
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}
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public interface AnvilClickEventHandler {
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void onAnvilClick(AnvilClickEvent event);
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}
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public class AnvilClickEvent {
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private AnvilSlot slot;
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private String name;
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private boolean close = true;
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private boolean destroy = true;
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public AnvilClickEvent(AnvilSlot slot, String name) {
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this.slot = slot;
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this.name = name;
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}
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public AnvilSlot getSlot() {
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return slot;
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}
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public String getName() {
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return name;
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}
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public boolean getWillClose() {
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return close;
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}
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public void setWillClose(boolean close) {
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this.close = close;
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}
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public boolean getWillDestroy() {
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return destroy;
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}
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public void setWillDestroy(boolean destroy) {
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this.destroy = destroy;
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}
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}
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}
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