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https://github.com/ViaVersion/ViaVersion.git
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Support item provider on a 1.8 server
... 1.9 is on the way
This commit is contained in:
mmxw11
parent
976c418c9e
commit
b3d3921f6e
@ -1,22 +1,55 @@
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package us.myles.ViaVersion.bukkit.protocol1_12to1_11_1;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.UUID;
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import org.bukkit.Bukkit;
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import org.bukkit.entity.Player;
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import us.myles.ViaVersion.bukkit.providers.BukkitInvContainerItemProvider;
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import us.myles.ViaVersion.protocols.protocol1_12to1_11_1.storage.InvItemStorage;
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public class BukkitInvContainerUpdateTask implements Runnable {
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private BukkitInvContainerItemProvider provider;
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private UUID uuid;
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private final UUID uuid;
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private final List<InvItemStorage> items;
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public BukkitInvContainerUpdateTask(BukkitInvContainerItemProvider provider, UUID uuid) {
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this.provider = provider;
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this.uuid = uuid;
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this.items = Collections.synchronizedList(new ArrayList<>());
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}
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public void addItem(short windowId, short slotId, short anumber) {
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InvItemStorage storage = new InvItemStorage(windowId, slotId, anumber);
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items.add(storage);
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}
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@Override
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public void run() {
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// TODO Auto-generated method stub
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provider.onTaskExecuted(uuid);
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Player p = Bukkit.getServer().getPlayer(uuid);
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if (p == null) {
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provider.onTaskExecuted(uuid);
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return;
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}
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try {
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synchronized (items) {
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for (InvItemStorage storage : items) {
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Object packet = provider.buildWindowClickPacket(p, storage);
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boolean result = provider.sendPlayer(p, packet);
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System.out.println("item result: " + result);
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if (!result) {
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break;
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}
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}
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System.out.println("items: " + items);
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items.clear();
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}
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} finally {
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provider.onTaskExecuted(uuid);
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}
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}
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}
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@ -1,28 +1,167 @@
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package us.myles.ViaVersion.bukkit.providers;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.Map;
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import java.util.UUID;
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import java.util.concurrent.ConcurrentHashMap;
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import org.bukkit.Bukkit;
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import org.bukkit.entity.Player;
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import org.bukkit.inventory.InventoryView;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.scheduler.BukkitScheduler;
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import us.myles.ViaVersion.api.data.UserConnection;
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import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
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import us.myles.ViaVersion.bukkit.protocol1_12to1_11_1.BukkitInvContainerUpdateTask;
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import us.myles.ViaVersion.bukkit.util.NMSUtil;
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import us.myles.ViaVersion.protocols.base.ProtocolInfo;
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import us.myles.ViaVersion.protocols.protocol1_12to1_11_1.providers.InvContainerItemProvider;
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import us.myles.ViaVersion.protocols.protocol1_12to1_11_1.storage.InvItemStorage;
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import us.myles.ViaVersion.util.ReflectionUtil;
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public class BukkitInvContainerItemProvider extends InvContainerItemProvider {
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private static Map<UUID, BukkitInvContainerUpdateTask> updateTasks = new ConcurrentHashMap<>();
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private boolean supported;
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// packet class
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private Class<?> wclickPacketClass;
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// Use for nms
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private Method nmsItemMethod;
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private Method ephandle;
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private Field connection;
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private Method packetMethod;
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public BukkitInvContainerItemProvider() {
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this.supported = isSupported();
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setupReflection();
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}
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@Override
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public boolean registerInvClickPacket(short windowId, short slotId, short anumber, UserConnection uconnection) {
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if (!supported) {
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return false;
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}
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ProtocolInfo info = uconnection.get(ProtocolInfo.class);
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// TODO: lets add some stuff here :)
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UUID uuid = info.getUuid();
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BukkitInvContainerUpdateTask utask = updateTasks.get(uuid);
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final boolean registered = utask != null;
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if (!registered) {
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utask = new BukkitInvContainerUpdateTask(this, uuid);
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updateTasks.put(uuid, utask);
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}
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// http://wiki.vg/index.php?title=Protocol&oldid=13223#Click_Window
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System.out.println("info: " + info + " QUICK ACTION windowId: " + windowId + " slotId: " + slotId + " button: " + 0 + " anumber: " + anumber + " mode: " + 1);
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return false; // change to true once supported
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utask.addItem(windowId, slotId, anumber);
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if (!registered) {
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scheduleTask(utask);
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}
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return true;
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}
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public Object buildWindowClickPacket(Player p, InvItemStorage storage) {
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if (!supported) {
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return null;
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}
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InventoryView inv = p.getOpenInventory();
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short slotId = storage.getSlotId();
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if (slotId > inv.countSlots()) {
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return null; // wrong container open?
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}
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ItemStack itemstack = inv.getItem(slotId);
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if (itemstack == null) {
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return null;
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}
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Object cinstance = null;
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try {
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Object nmsItem = nmsItemMethod.invoke(null, itemstack);
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// TODO: PASSTHROUGH PROTOCOLS? (Make InvItemStorage inheritance from Item?)
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cinstance = wclickPacketClass.newInstance();
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ReflectionUtil.set(cinstance, "a", (int) storage.getWindowId());
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ReflectionUtil.set(cinstance, "slot", (int) slotId);
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ReflectionUtil.set(cinstance, "button", 0); // shift + left mouse click
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ReflectionUtil.set(cinstance, "d", storage.getActionNumber());
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ReflectionUtil.set(cinstance, "item", nmsItem);
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// TODO: THIS MUST BE AN ENUM on 1.9+ SERVERS!!
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ReflectionUtil.set(cinstance, "shift", 1); // mode
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} catch (Exception e) {
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e.printStackTrace();
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}
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return cinstance;
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}
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public boolean sendPlayer(Player p, Object packet) {
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if (packet == null) {
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return false;
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}
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try {
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Object entityPlayer = ephandle.invoke(p);
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Object pconnection = connection.get(entityPlayer);
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// send
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packetMethod.invoke(pconnection, packet);
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} catch (IllegalAccessException | InvocationTargetException e) {
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e.printStackTrace();
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return false;
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}
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return true;
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}
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public void onTaskExecuted(UUID uuid) {
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updateTasks.remove(uuid);
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}
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private void scheduleTask(BukkitInvContainerUpdateTask utask) {
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BukkitScheduler scheduler = Bukkit.getServer().getScheduler();
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Plugin instance = Bukkit.getServer().getPluginManager().getPlugin("ViaVersion");
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scheduler.runTaskLater(instance, utask, 5); // 5 ticks later.
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}
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private void setupReflection() {
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if (!supported) {
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return;
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}
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try {
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this.wclickPacketClass = NMSUtil.nms("PacketPlayInWindowClick");
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Class<?> citemStack = NMSUtil.obc("inventory.CraftItemStack");
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this.nmsItemMethod = citemStack.getDeclaredMethod("asNMSCopy", ItemStack.class);
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} catch (Exception e) {
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this.supported = false;
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return;
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}
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try {
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this.ephandle = NMSUtil.obc("entity.CraftPlayer").getDeclaredMethod("getHandle");
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} catch (NoSuchMethodException | ClassNotFoundException e) {
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this.supported = false;
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throw new RuntimeException("Couldn't find CraftPlayer", e);
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}
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try {
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this.connection = NMSUtil.nms("EntityPlayer").getDeclaredField("playerConnection");
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} catch (NoSuchFieldException | ClassNotFoundException e) {
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this.supported = false;
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throw new RuntimeException("Couldn't find Player Connection", e);
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}
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try {
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this.packetMethod = NMSUtil.nms("PlayerConnection").getDeclaredMethod("a", wclickPacketClass);
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} catch (NoSuchMethodException | ClassNotFoundException e) {
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this.supported = false;
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throw new RuntimeException("Couldn't find CraftPlayer", e);
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}
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}
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private boolean isSupported() {
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int protocolId = ProtocolRegistry.SERVER_PROTOCOL;
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if (protocolId == 47) {
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return true; // 1.8
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} /**else if (protocolId >= 107 && protocolId <= 110) {
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return true; // 1.9
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} else if (protocolId == 210) {
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return true; // 1.10
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} else if (protocolId == 315 || protocolId == 316) {
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return true; // 1.11
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}*/
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// this is not needed on 1.12+
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return false;
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}
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}
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@ -2,8 +2,10 @@ package us.myles.ViaVersion.protocols.protocol1_12to1_11_1.storage;
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import lombok.AllArgsConstructor;
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import lombok.Getter;
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import lombok.ToString;
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@AllArgsConstructor
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@ToString
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@Getter
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public class InvItemStorage {
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