Mirror von
https://github.com/ViaVersion/ViaVersion.git
synchronisiert 2024-12-26 08:10:09 +01:00
Allow packets to be transformed after sent by specifying the current protocol, woo!
Dieser Commit ist enthalten in:
Myles
Ursprung
c57d0f60f9
Commit
d6edec3a55
@ -3,18 +3,24 @@ package us.myles.ViaVersion.api;
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import com.google.common.base.Preconditions;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import lombok.Data;
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import lombok.Getter;
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import lombok.Setter;
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import us.myles.ViaVersion.api.data.UserConnection;
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import us.myles.ViaVersion.api.protocol.Protocol;
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import us.myles.ViaVersion.api.remapper.ValueCreator;
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import us.myles.ViaVersion.api.type.Type;
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import us.myles.ViaVersion.api.type.TypeConverter;
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import us.myles.ViaVersion.exception.InformativeException;
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import us.myles.ViaVersion.handlers.ViaDecodeHandler;
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import us.myles.ViaVersion.packets.Direction;
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import us.myles.ViaVersion.packets.State;
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import us.myles.ViaVersion.protocols.base.ProtocolInfo;
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import us.myles.ViaVersion.util.PipelineUtil;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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@ -250,10 +256,44 @@ public class PacketWrapper {
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* Be careful not to send packets twice.
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* (Sends it after current)
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*
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* @param packetProtocol - The protocol version of the packet.
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* @throws Exception if it fails to write
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*/
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public void send(Class<? extends Protocol> packetProtocol) throws Exception {
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if (!isCancelled()) {
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// Apply current pipeline
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List<Protocol> protocols = new ArrayList<>(user().get(ProtocolInfo.class).getPipeline().pipes());
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// Other way if outgoing
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Collections.reverse(protocols);
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int index = 0;
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for (int i = 0; i < protocols.size(); i++) {
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if (protocols.get(i).getClass().equals(packetProtocol)) {
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index = i + 1;
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break;
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}
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}
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// Apply other protocols
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apply(Direction.OUTGOING, user().get(ProtocolInfo.class).getState(), index, protocols);
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// Send
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ByteBuf output = inputBuffer == null ? Unpooled.buffer() : inputBuffer.alloc().buffer();
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writeToBuffer(output);
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user().sendRawPacket(output);
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}
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}
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/**
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* Send this packet to the associated user.
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* Be careful not to send packets twice.
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* (Sends it after current)
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* <br />
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* <b>This method is no longer used, it's favoured to use send(Protocol) as it will handle the pipeline properly.</b>
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*
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* @throws Exception if it fails to write
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*/
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@Deprecated
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public void send() throws Exception {
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if (!isCancelled()) {
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// Send
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ByteBuf output = inputBuffer == null ? Unpooled.buffer() : inputBuffer.alloc().buffer();
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writeToBuffer(output);
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user().sendRawPacket(output);
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@ -284,6 +324,26 @@ public class PacketWrapper {
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return wrapper;
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}
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/**
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* Applies a pipeline from an index to the wrapper
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*
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* @param direction The direction
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* @param state The state
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* @param index The index to start from
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* @param pipeline The pipeline
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* @return The current packetwrapper
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* @throws Exception
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*/
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public PacketWrapper apply(Direction direction, State state, int index, List<Protocol> pipeline) throws Exception {
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for (int i = index; i < pipeline.size(); i++) { // Copy to prevent from removal.
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pipeline.get(i).transform(direction, state, this);
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// Reset the reader for the packetWrapper (So it can be recycled across packets)
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resetReader();
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}
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return this;
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}
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/**
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* Cancel this packet from sending
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*/
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@ -69,11 +69,9 @@ public class ProtocolPipeline extends Protocol {
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if (direction == Direction.OUTGOING)
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Collections.reverse(protocols);
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for (Protocol protocol : protocols) { // Copy to prevent from removal.
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protocol.transform(direction, state, packetWrapper);
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// Reset the reader for the packetWrapper (So it can be recycled across packets)
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packetWrapper.resetReader();
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}
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// Apply protocols
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packetWrapper.apply(direction, state, 0, protocols);
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super.transform(direction, state, packetWrapper);
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if (ViaVersion.getInstance().isDebug()) {
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@ -75,7 +75,7 @@ public class BlockEntity {
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wrapper.write(Type.POSITION, pos);
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wrapper.write(Type.UNSIGNED_BYTE, id);
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wrapper.write(Type.NBT, tag);
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wrapper.send();
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wrapper.send(Protocol1_9_1_2TO1_9_3_4.class);
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}
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private static void updateSign(Position pos, String[] lines, UserConnection connection) throws Exception {
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@ -83,6 +83,6 @@ public class BlockEntity {
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wrapper.write(Type.POSITION, pos);
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for (String s : lines)
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wrapper.write(Type.STRING, s);
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wrapper.send();
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wrapper.send(Protocol1_9_1_2TO1_9_3_4.class);
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}
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}
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@ -55,7 +55,7 @@ public class DeathListener implements Listener {
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wrapper.write(Type.VAR_INT, p.getEntityId());
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wrapper.write(Type.INT, p.getEntityId());
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Protocol1_9TO1_8.FIX_JSON.write(wrapper, msg);
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wrapper.send();
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wrapper.send(Protocol1_9TO1_8.class);
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} catch (Exception e) {
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e.printStackTrace();
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wrapper.clearInputBuffer();
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@ -57,7 +57,7 @@ public class EntityPackets {
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passengerPacket.write(Type.VAR_INT_ARRAY, new Integer[]{passenger});
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tracker.getVehicleMap().put(passenger, vehicle);
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}
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passengerPacket.send(); // Send the packet
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passengerPacket.send(Protocol1_9TO1_8.class); // Send the packet
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}
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return null;
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}
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@ -44,7 +44,7 @@ public class InventoryPackets {
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wrapper.write(Type.SHORT, property);
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wrapper.write(Type.SHORT, enchantID);
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}
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}).send();
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}).send(Protocol1_9TO1_8.class);
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wrapper.set(Type.SHORT, 0, (short) (property + 3));
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wrapper.set(Type.SHORT, 1, level);
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@ -230,7 +230,7 @@ public class InventoryPackets {
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wrapper.write(Type.SHORT, slot);
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wrapper.write(Type.SHORT, (short) -1);
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}
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}).send();
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}).send(Protocol1_9TO1_8.class);
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// Finally reset to simulate throwing item
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wrapper.set(Type.SHORT, 0, (short) -999); // Set slot to -999
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}
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@ -285,7 +285,7 @@ public class InventoryPackets {
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wrapper.write(Type.SHORT, slot);
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wrapper.write(Type.SHORT, (short) -1);
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}
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}).send();
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}).send(Protocol1_9TO1_8.class);
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// Finally reset to simulate throwing item
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wrapper.set(Type.BYTE, 0, (byte) 0); // Set button to 0
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wrapper.set(Type.BYTE, 1, (byte) 0); // Set mode to 0
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@ -107,12 +107,12 @@ public class SpawnPackets {
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Item item = new Item((short) Material.POTION.getId(), (byte) 1, (short) data, null);
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ItemRewriter.toClient(item); // Rewrite so that it gets the right nbt
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// TEMP FIX FOR POTIONS UNTIL WE FIGURE OUT HOW TO TRANSFORM SENT PACKETS
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Metadata potion = new Metadata(wrapper.user().get(ProtocolInfo.class).getPipeline().contains(Protocol1_10To1_9_3_4.class) ? 6 : 5, NewType.Slot.getTypeID(), Type.ITEM, item);
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Metadata potion = new Metadata(5, NewType.Slot.getTypeID(), Type.ITEM, item);
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meta.add(potion);
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wrapper.write(Protocol1_9TO1_8.METADATA_LIST, meta);
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}
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});
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metaPacket.send();
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metaPacket.send(Protocol1_9TO1_8.class);
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}
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}
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});
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@ -305,7 +305,7 @@ public class SpawnPackets {
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packet.write(Type.VAR_INT, 0);
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packet.write(Type.ITEM, new Item(item, (byte) 1, (short) 0, null));
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try {
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packet.send();
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packet.send(Protocol1_9TO1_8.class);
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} catch (Exception e) {
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e.printStackTrace();
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}
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@ -77,7 +77,7 @@ public class EntityTracker extends StoredObject {
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wrapper.write(Type.VAR_INT, 1); // slot
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wrapper.write(Type.ITEM, item);
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try {
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wrapper.send();
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wrapper.send(Protocol1_9TO1_8.class);
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} catch (Exception e) {
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e.printStackTrace();
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}
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@ -258,7 +258,7 @@ public class EntityTracker extends StoredObject {
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}
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teamExists = b;
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try {
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wrapper.send();
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wrapper.send(Protocol1_9TO1_8.class);
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} catch (Exception e) {
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e.printStackTrace();
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}
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@ -281,7 +281,7 @@ public class EntityTracker extends StoredObject {
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handleMetadata(entityID, metadataBuffer.get(entityID));
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if (metadataBuffer.get(entityID).size() > 0) {
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try {
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wrapper.send();
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wrapper.send(Protocol1_9TO1_8.class);
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} catch (Exception e) {
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e.printStackTrace();
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}
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