Mirrors/ViaVersion
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Mirror von https://github.com/ViaVersion/ViaVersion.git synchronisiert 2024-12-26 16:12:42 +01:00
Code Issues Releases Aktivität

Implement Optional UUIDs

Quellcode durchsuchen 
Implement Meta Rewriting
Implement Type Converters

Implement System so it can be tested.

Most of it works excluding the missing packets, also fixes some stupid mistakes :)
Dieser Commit ist enthalten in:
Myles 2016-03-15 00:34:20 +00:00
Ursprung 89427cb2da
Commit c300c47a14
31 geänderte Dateien mit 540 neuen und 85 gelöschten Zeilen
Statistiken anzeigen Patch-Datei herunterladen Vergleichs-Datei herunterladen Alle Dateien ausklappen Alle Dateien einklappen

24
src/main/java/us/myles/ViaVersion/chunks/ChunkManager.java
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@ -60,29 +60,7 @@ public class ChunkManager {
* @param packet to transform
* @return List of chunk data packets
*/
public List<Object> transformMapChunkBulk(Object packet) {
List<Object> list = Lists.newArrayList();
try {
int[] xcoords = mapChunkBulkRef.getFieldValue("a", packet, int[].class);
int[] zcoords = mapChunkBulkRef.getFieldValue("b", packet, int[].class);
Object[] chunkMaps = mapChunkBulkRef.getFieldValue("c", packet, Object[].class);
for(int i = 0; i < chunkMaps.length; i++) {
int x = xcoords[i];
int z = zcoords[i];
Object chunkMap = chunkMaps[i];
Object chunkPacket = mapChunkRef.newInstance();
mapChunkRef.setFieldValue("a", chunkPacket, x);
mapChunkRef.setFieldValue("b", chunkPacket, z);
mapChunkRef.setFieldValue("c", chunkPacket, chunkMap);
mapChunkRef.setFieldValue("d", chunkPacket, true); // Chunk bulk chunks are always ground-up
bulkChunks.add(toLong(x, z)); // Store for later
list.add(chunkPacket);
}
} catch(Exception e) {
Bukkit.getLogger().log(Level.WARNING, "Failed to transform chunk bulk", e);
}
return list;
}
/**
* Read chunk from 1.8 chunk data.

12
src/main/java/us/myles/ViaVersion/handlers/ViaChunkHandler.java
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@ -3,17 +3,15 @@ package us.myles.ViaVersion.handlers;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageEncoder;
import us.myles.ViaVersion.ConnectionInfo;
import us.myles.ViaVersion.util.ReflectionUtil;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.ClientChunks;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
public class ViaChunkHandler extends MessageToMessageEncoder {
private final ConnectionInfo info;
private final UserConnection info;
public ViaChunkHandler(ConnectionInfo info) {
public ViaChunkHandler(UserConnection info) {
this.info = info;
}
@ -26,7 +24,7 @@ public class ViaChunkHandler extends MessageToMessageEncoder {
info.setLastPacket(o);
/* This transformer is more for fixing issues which we find hard at packet level :) */
if(o.getClass().getName().endsWith("PacketPlayOutMapChunkBulk") && info.isActive()) {
list.addAll(info.getChunkManager().transformMapChunkBulk(o));
list.addAll(info.get(ClientChunks.class).transformMapChunkBulk(o));
return;
}
}

21
src/main/java/us/myles/ViaVersion/handlers/ViaDecodeHandler.java
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@ -4,22 +4,22 @@ import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import us.myles.ViaVersion.CancelException;
import us.myles.ViaVersion.ConnectionInfo;
import us.myles.ViaVersion.transformers.IncomingTransformer;
import us.myles.ViaVersion.packets.Direction;
import us.myles.ViaVersion.util.PacketUtil;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.protocol.base.ProtocolInfo;
import java.util.List;
public class ViaDecodeHandler extends ByteToMessageDecoder {
private final IncomingTransformer incomingTransformer;
private final ByteToMessageDecoder minecraftDecoder;
private final ConnectionInfo info;
private final UserConnection info;
public ViaDecodeHandler(ConnectionInfo info, ByteToMessageDecoder minecraftDecoder) {
public ViaDecodeHandler(UserConnection info, ByteToMessageDecoder minecraftDecoder) {
this.info = info;
this.minecraftDecoder = minecraftDecoder;
this.incomingTransformer = new IncomingTransformer(info);
}
@Override
@ -29,9 +29,14 @@ public class ViaDecodeHandler extends ByteToMessageDecoder {
if (info.isActive()) {
int id = PacketUtil.readVarInt(bytebuf);
// Transform
ByteBuf newPacket = ctx.alloc().buffer();
try {
incomingTransformer.transform(id, bytebuf, newPacket);
PacketWrapper wrapper = new PacketWrapper(id, bytebuf, info);
ProtocolInfo protInfo = info.get(ProtocolInfo.class);
protInfo.getPipeline().transform(Direction.INCOMING, protInfo.getState(), wrapper);
ByteBuf newPacket = ctx.alloc().buffer();
wrapper.writeToBuffer(newPacket);
bytebuf.clear();
bytebuf = newPacket;
} catch (Exception e) {

15
src/main/java/us/myles/ViaVersion/handlers/ViaEncodeHandler.java
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@ -5,22 +5,24 @@ import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import us.myles.ViaVersion.CancelException;
import us.myles.ViaVersion.ConnectionInfo;
import us.myles.ViaVersion.packets.Direction;
import us.myles.ViaVersion.transformers.OutgoingTransformer;
import us.myles.ViaVersion.util.PacketUtil;
import us.myles.ViaVersion.util.ReflectionUtil;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.protocol.base.ProtocolInfo;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
public class ViaEncodeHandler extends MessageToByteEncoder {
private final ConnectionInfo info;
private final UserConnection info;
private final MessageToByteEncoder minecraftEncoder;
private final OutgoingTransformer outgoingTransformer;
public ViaEncodeHandler(ConnectionInfo info, MessageToByteEncoder minecraftEncoder) {
public ViaEncodeHandler(UserConnection info, MessageToByteEncoder minecraftEncoder) {
this.info = info;
this.minecraftEncoder = minecraftEncoder;
this.outgoingTransformer = new OutgoingTransformer(info);
}
@ -40,7 +42,10 @@ public class ViaEncodeHandler extends MessageToByteEncoder {
ByteBuf oldPacket = bytebuf.copy();
bytebuf.clear();
try {
outgoingTransformer.transform(id, oldPacket, bytebuf);
PacketWrapper wrapper = new PacketWrapper(id, oldPacket, info);
ProtocolInfo protInfo = info.get(ProtocolInfo.class);
protInfo.getPipeline().transform(Direction.OUTGOING, protInfo.getState(), wrapper);
wrapper.writeToBuffer(bytebuf);
} catch (Exception e) {
bytebuf.clear();
throw e;

8
src/main/java/us/myles/ViaVersion/handlers/ViaVersionInitializer.java
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@ -5,7 +5,8 @@ import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.ByteToMessageDecoder;
import io.netty.handler.codec.MessageToByteEncoder;
import us.myles.ViaVersion.ConnectionInfo;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.protocol.ProtocolPipeline;
import java.lang.reflect.Method;
@ -26,7 +27,10 @@ public class ViaVersionInitializer extends ChannelInitializer<SocketChannel> {
@Override
protected void initChannel(SocketChannel socketChannel) throws Exception {
ConnectionInfo info = new ConnectionInfo(socketChannel);
UserConnection info = new UserConnection(socketChannel);
// init protocol
System.out.println("init pipeline");
new ProtocolPipeline(info);
// Add originals
this.method.invoke(this.oldInit, socketChannel);
// Add our transformers

8
src/main/java/us/myles/ViaVersion/packets/PacketType.java
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@ -24,7 +24,7 @@ public enum PacketType {
STATUS_RESPONSE(State.STATUS, Direction.OUTGOING, 0x00),
STATUS_PONG(State.STATUS, Direction.OUTGOING, 0x01),
/* Play serverbound */
PLAY_TP_CONFIRM(State.PLAY, Direction.INCOMING, -1, 0x00), // TODO
PLAY_TP_CONFIRM(State.PLAY, Direction.INCOMING, -1, 0x00), // Mapped
PLAY_TAB_COMPLETE_REQUEST(State.PLAY, Direction.INCOMING, 0x14, 0x01), // Mapped
PLAY_CHAT_MESSAGE_CLIENT(State.PLAY, Direction.INCOMING, 0x01, 0x02), // Mapped
PLAY_CLIENT_STATUS(State.PLAY, Direction.INCOMING, 0x16, 0x03), // Mapped
@ -40,8 +40,8 @@ public enum PacketType {
PLAY_PLAYER_POSITION_LOOK_REQUEST(State.PLAY, Direction.INCOMING, 0x06, 0x0D), // Mapped
PLAY_PLAYER_LOOK_REQUEST(State.PLAY, Direction.INCOMING, 0x05, 0x0E), // Mapped
PLAY_PLAYER(State.PLAY, Direction.INCOMING, 0x03, 0x0F), // Mapped
PLAY_VEHICLE_MOVE_REQUEST(State.PLAY, Direction.INCOMING, -1, 0x10), // TODO
PLAY_STEER_BOAT(State.PLAY, Direction.INCOMING, -1, 0x11), // TODO
PLAY_VEHICLE_MOVE_REQUEST(State.PLAY, Direction.INCOMING, -1, 0x10), // Mapped
PLAY_STEER_BOAT(State.PLAY, Direction.INCOMING, -1, 0x11), // Mapped
PLAY_PLAYER_ABILITIES_REQUEST(State.PLAY, Direction.INCOMING, 0x13, 0x12), // Mapped
PLAY_PLAYER_DIGGING(State.PLAY, Direction.INCOMING, 0x07, 0x13), // Mapped
PLAY_ENTITY_ACTION(State.PLAY, Direction.INCOMING, 0x0B, 0x14), // Mapped
@ -55,7 +55,7 @@ public enum PacketType {
PLAY_ANIMATION_REQUEST(State.PLAY, Direction.INCOMING, 0x0A, 0x1A), // Mapped
PLAY_SPECTATE(State.PLAY, Direction.INCOMING, 0x18, 0x1B), // Mapped
PLAY_PLAYER_BLOCK_PLACEMENT(State.PLAY, Direction.INCOMING, 0x08, 0x1C), // Mapped
PLAY_USE_ITEM(State.PLAY, Direction.INCOMING, -1, 0x1D), // TODO
PLAY_USE_ITEM(State.PLAY, Direction.INCOMING, -1, 0x1D), // Mapped
/* Play clientbound */
PLAY_SPAWN_OBJECT(State.PLAY, Direction.OUTGOING, 0x0E, 0x00), // Mapped
PLAY_SPAWN_XP_ORB(State.PLAY, Direction.OUTGOING, 0x11, 0x01), // Mapped

34
src/main/java/us/myles/ViaVersion2/api/PacketWrapper.java
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@ -2,11 +2,13 @@ package us.myles.ViaVersion2.api;
import com.google.common.base.Preconditions;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import lombok.Getter;
import lombok.Setter;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.remapper.ValueCreator;
import us.myles.ViaVersion2.api.type.Type;
import us.myles.ViaVersion2.api.type.TypeConverter;
import us.myles.ViaVersion2.api.util.Pair;
import java.io.IOException;
@ -60,7 +62,6 @@ public class PacketWrapper {
public <T> T read(Type<T> type) throws Exception {
if (readableObjects.isEmpty()) {
Preconditions.checkNotNull(inputBuffer, "This packet does not have an input buffer.");
System.out.println("Reading: " + type.getTypeName());
// We could in the future log input read values, but honestly for things like bulk maps, mem waste D:
return type.read(inputBuffer);
} else {
@ -75,7 +76,6 @@ public class PacketWrapper {
public <T> void write(Type<T> type, T value) {
System.out.println("Writing " + type.getTypeName() + " - " + value);
packetValues.add(new Pair<Type, Object>(type, value));
}
@ -89,22 +89,44 @@ public class PacketWrapper {
if (id != -1) {
Type.VAR_INT.write(buffer, id);
}
int index = 0;
for (Pair<Type, Object> packetValue : packetValues) {
packetValue.getKey().write(buffer, packetValue.getValue());
System.out.println("writing: " + packetValue.getKey().getTypeName() + " value: " + packetValue.getValue() + " ID: " + getId());
try {
Object value = packetValue.getValue();
if(value != null) {
if (!value.getClass().equals(packetValue.getKey().getOutputClass())) {
// attempt conversion
if (packetValue.getKey() instanceof TypeConverter) {
value = ((TypeConverter) packetValue.getKey()).from(value);
} else {
System.out.println("Possible type mismatch: " + value.getClass().getName() + " -> " + packetValue.getKey().getTypeName());
}
}
}
packetValue.getKey().write(buffer, value);
}catch (Exception e){
System.out.println(getId() + " Index: " + index + " Type: " + packetValue.getKey().getTypeName());
throw e;
}
index++;
}
if(packetValues.size() != 0){
if(inputBuffer != null){
System.out.println(">> Writing remaining: " + inputBuffer.readableBytes() + " ID: " + getId());
}
}
writeRemaining(buffer);
}
private void writeRemaining(ByteBuf output) {
if (inputBuffer != null) {
System.out.println("Writing remaining: " + output.readableBytes());
output.writeBytes(inputBuffer);
}
}
public void send() throws Exception {
ByteBuf output = inputBuffer.alloc().buffer();
ByteBuf output = inputBuffer == null ? Unpooled.buffer() : inputBuffer.alloc().buffer();
writeToBuffer(output);
user().sendRawPacket(output);
}

11
src/main/java/us/myles/ViaVersion2/api/data/UserConnection.java
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@ -3,13 +3,22 @@ package us.myles.ViaVersion2.api.data;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandler;
import io.netty.channel.socket.SocketChannel;
import lombok.Getter;
import lombok.Setter;
import java.util.ArrayList;
import java.util.List;
public class UserConnection {
private final SocketChannel channel;
List<StoredObject> storedObjects = new ArrayList<>();
@Getter
@Setter
private boolean active = true;
private final SocketChannel channel;
@Getter
@Setter
private Object lastPacket;
public UserConnection(SocketChannel socketChannel) {
this.channel = socketChannel;

3
src/main/java/us/myles/ViaVersion2/api/metadata/Metadata.java
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@ -9,7 +9,8 @@ import us.myles.ViaVersion2.api.type.Type;
@Getter
@Setter
public class Metadata {
private final int id;
private int id;
private int typeID;
private Type type;
private Object value;
}

3
src/main/java/us/myles/ViaVersion2/api/protocol/Protocol.java
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@ -7,6 +7,7 @@ import us.myles.ViaVersion.packets.Direction;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
import us.myles.ViaVersion2.api.remapper.PacketRemapper;
import us.myles.ViaVersion2.api.util.Pair;
@ -50,7 +51,6 @@ public abstract class Protocol {
if (packetMap.containsKey(statePacket)) {
protocolPacket = packetMap.get(statePacket);
} else {
System.out.println("Packet not found: " + packetWrapper.getId());
return;
}
// write packet id
@ -58,6 +58,7 @@ public abstract class Protocol {
packetWrapper.setId(newID);
// remap
if (protocolPacket.getRemapper() != null) {
System.out.println("Remapping for " + getClass().getName() + " - " + newID + "<- " + direction + " " + state);
protocolPacket.getRemapper().remap(packetWrapper);
if(packetWrapper.isCancelled())
throw new CancelException();

26
src/main/java/us/myles/ViaVersion2/api/protocol/ProtocolPipeline.java
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@ -1,7 +1,5 @@
package us.myles.ViaVersion2.api.protocol;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion.CancelException;
import us.myles.ViaVersion.packets.Direction;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion2.api.PacketWrapper;
@ -13,16 +11,25 @@ import java.util.ArrayList;
import java.util.LinkedList;
public class ProtocolPipeline extends Protocol {
LinkedList<Protocol> protocolList = new LinkedList<>();
LinkedList<Protocol> protocolList;
private UserConnection userConnection;
public ProtocolPipeline(UserConnection userConnection) {
super();
init(userConnection);
}
@Override
protected void registerPackets() {
protocolList = new LinkedList<>();
// This is a pipeline so we register basic pipes
protocolList.addLast(new BaseProtocol());
}
@Override
public void init(UserConnection userConnection) {
this.userConnection = userConnection;
ProtocolInfo protocolInfo = new ProtocolInfo();
protocolInfo.setPipeline(this);
@ -34,14 +41,25 @@ public class ProtocolPipeline extends Protocol {
}
}
public void add(Protocol protocol) {
if (protocolList != null) {
System.out.println("Adding protocol to list!!");
protocolList.addLast(protocol);
protocol.init(userConnection);
} else {
throw new NullPointerException("Tried to add protocol to early");
}
}
@Override
public void transform(Direction direction, State state, PacketWrapper packetWrapper) throws Exception {
// System.out.println("--> Packet ID incoming: " + packetWrapper.getId() + " - " + state);
for (Protocol protocol : new ArrayList<>(protocolList)) { // Copy to prevent from removal.
protocol.transform(direction, state, packetWrapper);
// Reset the reader for the packetWrapper (So it can be recycled across packets)
packetWrapper.resetReader();
}
super.transform(direction, state, packetWrapper);
System.out.println("--> Sending Packet ID: " + packetWrapper.getId() + " " + state + " " + direction);
}
}

7
src/main/java/us/myles/ViaVersion2/api/protocol/base/BaseProtocol.java
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@ -8,6 +8,7 @@ import us.myles.ViaVersion.util.PacketUtil;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.data.UserConnection;
import us.myles.ViaVersion2.api.protocol.Protocol;
import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
import us.myles.ViaVersion2.api.remapper.PacketHandler;
import us.myles.ViaVersion2.api.remapper.PacketRemapper;
import us.myles.ViaVersion2.api.type.Type;
@ -56,6 +57,7 @@ public class BaseProtocol extends Protocol {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) {
System.out.println("play state");
ProtocolInfo info = wrapper.user().get(ProtocolInfo.class);
info.setState(State.PLAY);
UUID uuid = UUID.fromString(wrapper.get(Type.STRING, 0));
@ -85,7 +87,10 @@ public class BaseProtocol extends Protocol {
ProtocolInfo info = wrapper.user().get(ProtocolInfo.class);
info.setProtocolVersion(protVer);
// TODO: Choose the right pipe
// We'll just cheat lol
wrapper.user().get(ProtocolInfo.class).getPipeline().add(new Protocol1_9TO1_8());
System.out.println("I should decide on a protocol for " + protVer);
wrapper.set(Type.VAR_INT, 0, 47); // TODO remove hard code
// Change state
int state = wrapper.get(Type.VAR_INT, 1);
if (state == 1) {

1
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/Protocol1_9TO1_8.java
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@ -47,6 +47,7 @@ public class Protocol1_9TO1_8 extends Protocol {
@Override
protected void registerPackets() {
System.out.println("Registering packets for 1.9 to 1.8");
SpawnPackets.register(this);
InventoryPackets.register(this);
EntityPackets.register(this);

162
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/metadata/MetadataRewriter.java Normale Datei
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@ -0,0 +1,162 @@
package us.myles.ViaVersion2.api.protocol1_9to1_8.metadata;
import org.bukkit.entity.EntityType;
import org.bukkit.util.EulerAngle;
import org.bukkit.util.Vector;
import us.myles.ViaVersion.ViaVersionPlugin;
import us.myles.ViaVersion.api.ViaVersion;
import us.myles.ViaVersion.metadata.MetaIndex;
import us.myles.ViaVersion.metadata.NewType;
import us.myles.ViaVersion.metadata.Type;
import us.myles.ViaVersion.transformers.OutgoingTransformer;
import us.myles.ViaVersion2.api.metadata.Metadata;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
public class MetadataRewriter {
public static void transform(EntityType type, List<Metadata> list) {
short id = -1;
int data = -1;
for (Metadata entry : new ArrayList<>(list)) {
MetaIndex metaIndex = MetaIndex.getIndex(type, entry.getId());
try {
if (metaIndex.getNewType() != NewType.Discontinued) {
if (metaIndex.getNewType() != NewType.BlockID || id != -1 && data == -1 || id == -1 && data != -1) { // block ID is only written if we have both parts
entry.setId(metaIndex.getNewIndex());
entry.setTypeID(metaIndex.getNewType().getTypeID());
}
Object value = entry.getValue();
switch (metaIndex.getNewType()) {
case Byte:
entry.setType(us.myles.ViaVersion2.api.type.Type.BYTE);
// convert from int, byte
if (metaIndex.getOldType() == Type.Byte) {
entry.setValue(value);
}
if (metaIndex.getOldType() == Type.Int) {
entry.setValue(((Integer) value).byteValue());
}
// After writing the last one
if (metaIndex == MetaIndex.ENTITY_STATUS && type == EntityType.PLAYER) {
Byte val = 0;
if ((((Byte) value) & 0x10) == 0x10) { // Player eating/aiming/drinking
val = 1;
}
int newIndex = MetaIndex.PLAYER_HAND.getNewIndex();
int typeID = MetaIndex.PLAYER_HAND.getNewType().getTypeID();
Metadata metadata = new Metadata(newIndex, typeID, us.myles.ViaVersion2.api.type.Type.BYTE, val);
// list.add(metadata);
}
break;
case OptUUID:
entry.setType(us.myles.ViaVersion2.api.type.Type.OPTIONAL_UUID);
String owner = (String) value;
UUID toWrite = null;
if (owner.length() != 0) {
try {
toWrite = UUID.fromString(owner);
} catch (Exception ignored) {
}
}
entry.setValue(toWrite);
break;
case BlockID:
entry.setType(us.myles.ViaVersion2.api.type.Type.VAR_INT);
// if we have both sources :))
if (metaIndex.getOldType() == Type.Byte) {
data = (Byte) value;
}
if (metaIndex.getOldType() == Type.Short) {
id = (Short) value;
}
if (id != -1 && data != -1) {
int combined = id << 4 | data;
data = -1;
id = -1;
entry.setValue(combined);
} else {
list.remove(entry);
}
break;
case VarInt:
entry.setType(us.myles.ViaVersion2.api.type.Type.VAR_INT);
// convert from int, short, byte
if (metaIndex.getOldType() == Type.Byte) {
entry.setValue(((Byte) value).intValue());
}
if (metaIndex.getOldType() == Type.Short) {
entry.setValue(((Short) value).intValue());
}
if (metaIndex.getOldType() == Type.Int) {
entry.setValue(value);
}
break;
case Float:
entry.setType(us.myles.ViaVersion2.api.type.Type.FLOAT);
entry.setValue(value);
break;
case String:
entry.setType(us.myles.ViaVersion2.api.type.Type.STRING);
entry.setValue(value);
break;
case Boolean:
entry.setType(us.myles.ViaVersion2.api.type.Type.BOOLEAN);
if (metaIndex == MetaIndex.AGEABLE_AGE)
entry.setValue((Byte) value < 0);
else
entry.setValue((Byte) value != 0);
break;
case Slot:
entry.setType(us.myles.ViaVersion2.api.type.Type.ITEM);
entry.setValue(value);
// ItemSlotRewriter.ItemStack item = (ItemSlotRewriter.ItemStack) value;
// ItemSlotRewriter.fixIdsFrom1_8To1_9(item);
// ItemSlotRewriter.writeItemStack(item, output);
// TODO
break;
case Position:
entry.setType(us.myles.ViaVersion2.api.type.Type.VECTOR);
Vector vector = (Vector) value;
entry.setValue(vector);
break;
case Vector3F:
entry.setType(us.myles.ViaVersion2.api.type.Type.ROTATION);
EulerAngle angle = (EulerAngle) value;
entry.setValue(angle);
break;
case Chat:
entry.setType(us.myles.ViaVersion2.api.type.Type.STRING);
value = OutgoingTransformer.fixJson((String) value);
entry.setValue(value);
break;
default:
System.out.println("[Out] Unhandled MetaDataType: " + metaIndex.getNewType());
list.remove(entry);
break;
}
System.out.println("List Item: " + entry.getType().getTypeName() + " - " + entry.getValue() + " New Type: " + metaIndex.getNewType());
} else {
list.remove(entry);
}
} catch (Exception e) {
list.remove(entry);
if (!((ViaVersionPlugin) ViaVersion.getInstance()).isSuppressMetadataErrors()) {
System.out.println("INCLUDE THIS IN YOUR ERROR LOG!");
if (type != null)
System.out.println("An error occurred with entity meta data for " + type + " OldID: " + entry.getId());
else
System.out.println("An error occurred with entity meta data for UNKNOWN_ENTITY OldID: " + entry.getId());
if (metaIndex != null) {
System.out.println("Old ID: " + metaIndex.getIndex() + " New ID: " + metaIndex.getNewIndex());
System.out.println("Old Type: " + metaIndex.getOldType() + " New Type: " + metaIndex.getNewType());
}
e.printStackTrace();
}
}
}
// TODO: Holo patch and bossbar patch
}
}

2
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/MetadataTypes.java → src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/metadata/MetadataTypes.java
Datei anzeigen

@ -1,4 +1,4 @@
package us.myles.ViaVersion2.api.protocol1_9to1_8;
package us.myles.ViaVersion2.api.protocol1_9to1_8.metadata;
import lombok.Getter;
import lombok.RequiredArgsConstructor;

22
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/EntityPackets.java
Datei anzeigen

@ -4,14 +4,18 @@ import us.myles.ViaVersion.ViaVersionPlugin;
import us.myles.ViaVersion.api.ViaVersion;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.metadata.Metadata;
import us.myles.ViaVersion2.api.protocol.Protocol;
import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
import us.myles.ViaVersion2.api.protocol1_9to1_8.metadata.MetadataRewriter;
import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.EntityTracker;
import us.myles.ViaVersion2.api.remapper.PacketHandler;
import us.myles.ViaVersion2.api.remapper.PacketRemapper;
import us.myles.ViaVersion2.api.remapper.ValueTransformer;
import us.myles.ViaVersion2.api.type.Type;
import java.util.List;
public class EntityPackets {
public static ValueTransformer<Byte, Short> toNewShort = new ValueTransformer<Byte, Short>(Type.SHORT) {
@Override
@ -75,6 +79,7 @@ public class EntityPackets {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
System.out.println("handling holo for tp");
int entityID = wrapper.get(Type.VAR_INT, 0);
if (((ViaVersionPlugin) ViaVersion.getInstance()).isHologramPatch()) {
EntityTracker tracker = wrapper.user().get(EntityTracker.class);
@ -86,6 +91,8 @@ public class EntityPackets {
}
}
});
}
});
// Entity Look Move Packet
@ -106,6 +113,7 @@ public class EntityPackets {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
System.out.println("look move");
int entityID = wrapper.get(Type.VAR_INT, 0);
if (((ViaVersionPlugin) ViaVersion.getInstance()).isHologramPatch()) {
EntityTracker tracker = wrapper.user().get(EntityTracker.class);
@ -174,7 +182,19 @@ public class EntityPackets {
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Protocol1_9TO1_8.METADATA_LIST); // 1 - Metadata List
// TODO Transform metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadataList = wrapper.get(Protocol1_9TO1_8.METADATA_LIST, 0);
int entityID = wrapper.get(Type.VAR_INT, 0);
EntityTracker tracker = wrapper.user().get(EntityTracker.class);
if(tracker.getClientEntityTypes().containsKey(entityID)) {
MetadataRewriter.transform(tracker.getClientEntityTypes().get(entityID), metadataList);
}else{
System.out.println("Unable to find entity for metadata, entity ID: " + entityID);
}
}
});
}
});

18
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/InventoryPackets.java
Datei anzeigen

@ -4,6 +4,7 @@ import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.protocol.Protocol;
import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
import us.myles.ViaVersion2.api.remapper.PacketHandler;
import us.myles.ViaVersion2.api.remapper.PacketRemapper;
import us.myles.ViaVersion2.api.remapper.ValueCreator;
import us.myles.ViaVersion2.api.type.Type;
@ -41,7 +42,8 @@ public class InventoryPackets {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE); // 0 - Window ID
map(Type.BYTE); // 0 - Window ID
map(Type.SHORT); // 1 - Slot ID
map(Type.ITEM); // 2 - Slot Value
// TODO Brewing patch
@ -55,6 +57,7 @@ public class InventoryPackets {
public void registerMap() {
map(Type.UNSIGNED_BYTE); // 0 - Window ID
map(Type.ITEM_ARRAY); // 1 - Window Values
// TODO Brewing patch
// TODO - ItemStack rewriter
}
@ -115,7 +118,6 @@ public class InventoryPackets {
map(Type.SHORT);
map(Type.BYTE);
map(Type.ITEM);
// TODO: Transform Item Patch
// TODO: Throw elytra and brewing patch
}
@ -140,6 +142,16 @@ public class InventoryPackets {
protocol.registerIncoming(State.PLAY, 0x11, 0x06); // Enchant Item Packet
// TODO Held Item change blocking patch
protocol.registerIncoming(State.PLAY, 0x09, 0x17); // Held Item Change Packet
protocol.registerIncoming(State.PLAY, 0x09, 0x17, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
System.out.println("held item");
}
});
}
}); // Held Item Change Packet
}
}

56
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/PlayerPackets.java
Datei anzeigen

@ -162,7 +162,6 @@ public class PlayerPackets {
public void handle(PacketWrapper wrapper) throws Exception {
int action = wrapper.get(Type.VAR_INT, 0);
int count = wrapper.get(Type.VAR_INT, 1);
for (int i = 0; i < count; i++) {
wrapper.passthrough(Type.UUID); // Player UUID
if (action == 0) { // add player
@ -213,6 +212,7 @@ public class PlayerPackets {
protocol.registerOutgoing(State.PLAY, 0x48, 0x32); // Resource Pack Send Packet
protocol.registerOutgoing(State.PLAY, 0x07, 0x33); // Respawn Packet
protocol.registerOutgoing(State.PLAY, 0x43, 0x36); // Camera Packet
protocol.registerOutgoing(State.PLAY, 0x2B, 0x1E); // Change Game State Packet
protocol.registerOutgoing(State.PLAY, 0x09, 0x37); // Held Item Change Packet
@ -262,6 +262,58 @@ public class PlayerPackets {
}
});
// TP Confirm
protocol.registerIncoming(State.PLAY, -1, 0x00, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
}
});
}
});
// Vehicle Move
protocol.registerIncoming(State.PLAY, -1, 0x10, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
}
});
}
});
// Steer Boat
protocol.registerIncoming(State.PLAY, -1, 0x11, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
}
});
}
});
// Use Item TODO
protocol.registerIncoming(State.PLAY, -1, 0x1D, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
}
});
}
});
/* Packets which do not have any field remapping or handlers */
protocol.registerIncoming(State.PLAY, 0x01, 0x02); // Chat Message Packet
@ -277,5 +329,7 @@ public class PlayerPackets {
protocol.registerIncoming(State.PLAY, 0x03, 0x0F); // Player Packet
// TODO Plugin Channels :(
protocol.registerIncoming(State.PLAY, 0x17, 0x09); // plugin message incoming
protocol.registerOutgoing(State.PLAY, 0x3F, 0x18); // plugin message outgoing
}
}

36
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/SpawnPackets.java
Datei anzeigen

@ -4,8 +4,10 @@ import org.bukkit.entity.EntityType;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion.util.EntityUtil;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.metadata.Metadata;
import us.myles.ViaVersion2.api.protocol.Protocol;
import us.myles.ViaVersion2.api.protocol1_9to1_8.Protocol1_9TO1_8;
import us.myles.ViaVersion2.api.protocol1_9to1_8.metadata.MetadataRewriter;
import us.myles.ViaVersion2.api.protocol1_9to1_8.storage.EntityTracker;
import us.myles.ViaVersion2.api.remapper.PacketHandler;
import us.myles.ViaVersion2.api.remapper.PacketRemapper;
@ -13,6 +15,8 @@ import us.myles.ViaVersion2.api.remapper.ValueCreator;
import us.myles.ViaVersion2.api.remapper.ValueTransformer;
import us.myles.ViaVersion2.api.type.Type;
import java.util.List;
public class SpawnPackets {
public static ValueTransformer<Integer, Double> toNewDouble = new ValueTransformer<Integer, Double>(Type.DOUBLE) {
@Override
@ -62,7 +66,7 @@ public class SpawnPackets {
create(new ValueCreator() {
@Override
public void write(PacketWrapper wrapper) throws Exception {
int data = wrapper.get(Type.INT, 3); // Data (4th Integer)
int data = wrapper.get(Type.INT, 0); // Data (1st Integer)
short vX = 0, vY = 0, vZ = 0;
if (data > 0) {
@ -165,8 +169,21 @@ public class SpawnPackets {
map(Type.SHORT); // 10 - Velocity Y
map(Type.SHORT); // 11 - Velocity Z
// TODO Rewrite Metadata
map(Protocol1_9TO1_8.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadataList = wrapper.get(Protocol1_9TO1_8.METADATA_LIST, 0);
int entityID = wrapper.get(Type.VAR_INT, 0);
EntityTracker tracker = wrapper.user().get(EntityTracker.class);
if(tracker.getClientEntityTypes().containsKey(entityID)) {
MetadataRewriter.transform(tracker.getClientEntityTypes().get(entityID), metadataList);
}else{
System.out.println("Unable to find entity for metadata, entity ID: " + entityID);
}
}
});
}
});
@ -218,8 +235,21 @@ public class SpawnPackets {
map(Type.SHORT, Type.NOTHING); // Current Item is discontinued
// TODO Rewrite Metadata
map(Protocol1_9TO1_8.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadataList = wrapper.get(Protocol1_9TO1_8.METADATA_LIST, 0);
int entityID = wrapper.get(Type.VAR_INT, 0);
EntityTracker tracker = wrapper.user().get(EntityTracker.class);
if(tracker.getClientEntityTypes().containsKey(entityID)) {
MetadataRewriter.transform(tracker.getClientEntityTypes().get(entityID), metadataList);
}else{
System.out.println("Unable to find entity for metadata, entity ID: " + entityID);
}
}
});
}
});

26
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/packets/WorldPackets.java
Datei anzeigen

@ -1,5 +1,6 @@
package us.myles.ViaVersion2.api.protocol1_9to1_8.packets;
import us.myles.ViaVersion.chunks.Chunk;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion2.api.PacketWrapper;
import us.myles.ViaVersion2.api.protocol.Protocol;
@ -32,6 +33,12 @@ public class WorldPackets {
// Everything else get's written through
// TODO: Effect canceller patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
}
});
}
});
@ -44,6 +51,12 @@ public class WorldPackets {
// Everything else get's written through
// TODO: Sound Effect translator patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
}
});
}
});
@ -53,9 +66,16 @@ public class WorldPackets {
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception{
public void handle(PacketWrapper wrapper) throws Exception {
ClientChunks clientChunks = wrapper.user().get(ClientChunks.class);
wrapper.passthrough(new ChunkType(clientChunks));
Chunk chunk = wrapper.passthrough(new ChunkType(clientChunks));
if (chunk.isUnloadPacket()) {
PacketWrapper unload = wrapper.create(0x1D);
unload.write(Type.INT, chunk.getX());
unload.write(Type.INT, chunk.getZ());
unload.send();
wrapper.cancel();
}
}
});
}
@ -101,7 +121,7 @@ public class WorldPackets {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int status = wrapper.get(Type.UNSIGNED_BYTE, 0);
if(status == 6)
if (status == 6)
wrapper.cancel();
}
});

46
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/storage/ClientChunks.java
Datei anzeigen

@ -1,13 +1,59 @@
package us.myles.ViaVersion2.api.protocol1_9to1_8.storage;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import lombok.Getter;
import org.bukkit.Bukkit;
import us.myles.ViaVersion.util.ReflectionUtil;
import us.myles.ViaVersion2.api.data.StoredObject;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
@Getter
public class ClientChunks extends StoredObject {
private final Set<Long> loadedChunks = Sets.newConcurrentHashSet();
private final Set<Long> bulkChunks = Sets.newConcurrentHashSet();
// Reflection
private static ReflectionUtil.ClassReflection mapChunkBulkRef;
private static ReflectionUtil.ClassReflection mapChunkRef;
static {
try {
mapChunkBulkRef = new ReflectionUtil.ClassReflection(ReflectionUtil.nms("PacketPlayOutMapChunkBulk"));
mapChunkRef = new ReflectionUtil.ClassReflection(ReflectionUtil.nms("PacketPlayOutMapChunk"));
} catch (Exception e) {
Bukkit.getLogger().log(Level.WARNING, "Failed to initialise chunk reflection", e);
}
}
public List<Object> transformMapChunkBulk(Object packet) {
List<Object> list = Lists.newArrayList();
try {
int[] xcoords = mapChunkBulkRef.getFieldValue("a", packet, int[].class);
int[] zcoords = mapChunkBulkRef.getFieldValue("b", packet, int[].class);
Object[] chunkMaps = mapChunkBulkRef.getFieldValue("c", packet, Object[].class);
for (int i = 0; i < chunkMaps.length; i++) {
int x = xcoords[i];
int z = zcoords[i];
Object chunkMap = chunkMaps[i];
Object chunkPacket = mapChunkRef.newInstance();
mapChunkRef.setFieldValue("a", chunkPacket, x);
mapChunkRef.setFieldValue("b", chunkPacket, z);
mapChunkRef.setFieldValue("c", chunkPacket, chunkMap);
mapChunkRef.setFieldValue("d", chunkPacket, true); // Chunk bulk chunks are always ground-up
bulkChunks.add(toLong(x, z)); // Store for later
list.add(chunkPacket);
}
} catch (Exception e) {
Bukkit.getLogger().log(Level.WARNING, "Failed to transform chunk bulk", e);
}
return list;
}
private static long toLong(int msw, int lsw) {
return ((long) msw << 32) + lsw - -2147483648L;
}
}

3
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/types/MetadataListType.java
Datei anzeigen

@ -10,7 +10,7 @@ import java.util.List;
public class MetadataListType extends Type<List<Metadata>> {
public MetadataListType() {
super(List.class);
super("Metadata List", List.class);
}
@Override
@ -31,6 +31,7 @@ public class MetadataListType extends Type<List<Metadata>> {
public void write(ByteBuf buffer, List<Metadata> object) throws Exception {
for (Metadata m : object) {
Protocol1_9TO1_8.METADATA.write(buffer, m);
System.out.println("Writing meta data: " + m.getType().getTypeName() + " - " + m.getId() + " - " + m.getTypeID());
}
// Write end of list
Protocol1_9TO1_8.METADATA.write(buffer, null);

11
src/main/java/us/myles/ViaVersion2/api/protocol1_9to1_8/types/MetadataType.java
Datei anzeigen

@ -3,7 +3,7 @@ package us.myles.ViaVersion2.api.protocol1_9to1_8.types;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion2.api.metadata.Metadata;
import us.myles.ViaVersion2.api.protocol1_9to1_8.MetadataTypes;
import us.myles.ViaVersion2.api.protocol1_9to1_8.metadata.MetadataTypes;
import us.myles.ViaVersion2.api.type.Type;
public class MetadataType extends Type<Metadata> {
@ -16,17 +16,20 @@ public class MetadataType extends Type<Metadata> {
public Metadata read(ByteBuf buffer) throws Exception {
byte item = buffer.readByte();
if (item == 127) return null; // end of metadata
MetadataTypes type = MetadataTypes.byId((item & 0xE0) >> 5);
int typeID = (item & 0xE0) >> 5;
MetadataTypes type = MetadataTypes.byId(typeID);
int id = item & 0x1F;
return new Metadata(id, type.getType(), type.getType().read(buffer));
return new Metadata(id, typeID, type.getType(), type.getType().read(buffer));
}
@Override
public void write(ByteBuf buffer, Metadata object) throws Exception {
if (object == null) {
buffer.writeByte(127);
buffer.writeByte(255);
System.out.println("writing null :)");
} else {
buffer.writeByte(object.getId());
buffer.writeByte(object.getTypeID());
object.getType().write(buffer, object.getValue());
}
}

2
src/main/java/us/myles/ViaVersion2/api/type/Type.java
Datei anzeigen

@ -60,6 +60,8 @@ public abstract class Type<T> implements ByteBufReader<T>, ByteBufWriter<T> {
public static final Type<Vector> VECTOR = new VectorType();
public static final Type<CompoundTag> NBT = new NBTType();
public static final Type<UUID> OPTIONAL_UUID = new OptUUIDType();
public static final Type<Item> ITEM = new ItemType();
public static final Type<Item[]> ITEM_ARRAY = new ItemArrayType();
/* Actual Class */

5
src/main/java/us/myles/ViaVersion2/api/type/TypeConverter.java Normale Datei
Datei anzeigen

@ -0,0 +1,5 @@
package us.myles.ViaVersion2.api.type;
public interface TypeConverter<T> {
public T from(Object o);
}

8
src/main/java/us/myles/ViaVersion2/api/type/types/ArrayType.java
Datei anzeigen

@ -3,6 +3,8 @@ package us.myles.ViaVersion2.api.type.types;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion2.api.type.Type;
import java.lang.reflect.Array;
public class ArrayType<T> extends Type<T[]> {
private final Type<T> elementType;
@ -14,11 +16,13 @@ public class ArrayType<T> extends Type<T[]> {
@Override
public T[] read(ByteBuf buffer) throws Exception{
int amount = Type.VAR_INT.read(buffer);
Object[] array = new Object[amount];
T[] array = (T[]) Array.newInstance(elementType.getOutputClass(), amount);
System.out.println("READING ARRAY " + array.length);
for (int i = 0; i < amount; i++) {
array[i] = elementType.read(buffer);
}
return (T[]) array;
return array;
}
@Override

11
src/main/java/us/myles/ViaVersion2/api/type/types/ByteType.java
Datei anzeigen

@ -2,8 +2,9 @@ package us.myles.ViaVersion2.api.type.types;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion2.api.type.Type;
import us.myles.ViaVersion2.api.type.TypeConverter;
public class ByteType extends Type<Byte> {
public class ByteType extends Type<Byte> implements TypeConverter<Byte> {
public ByteType() {
super(Byte.class);
}
@ -17,4 +18,12 @@ public class ByteType extends Type<Byte> {
public void write(ByteBuf buffer, Byte object) {
buffer.writeByte(object);
}
@Override
public Byte from(Object o) {
if (o instanceof Number) {
return ((Number) o).byteValue();
}
return (Byte) o;
}
}

8
src/main/java/us/myles/ViaVersion2/api/type/types/VoidType.java
Datei anzeigen

@ -2,8 +2,9 @@ package us.myles.ViaVersion2.api.type.types;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion2.api.type.Type;
import us.myles.ViaVersion2.api.type.TypeConverter;
public class VoidType extends Type<Void> {
public class VoidType extends Type<Void> implements TypeConverter<Void>{
public VoidType() {
super(Void.class);
}
@ -17,4 +18,9 @@ public class VoidType extends Type<Void> {
public void write(ByteBuf buffer, Void object) {
}
@Override
public Void from(Object o) {
return null;
}
}

2
src/main/java/us/myles/ViaVersion2/api/type/types/minecraft/ItemArrayType.java
Datei anzeigen

@ -22,7 +22,7 @@ public class ItemArrayType extends Type<Item[]> {
@Override
public void write(ByteBuf buffer, Item[] object) throws Exception {
Type.VAR_INT.write(buffer, object.length);
Type.SHORT.write(buffer, (short) object.length);
for (Item o : object) {
Type.ITEM.write(buffer, o);
}

3
src/main/java/us/myles/ViaVersion2/api/type/types/minecraft/ItemType.java
Datei anzeigen

@ -13,6 +13,7 @@ public class ItemType extends Type<Item> {
public Item read(ByteBuf buffer) throws Exception {
short id = buffer.readShort();
if (id < 0) {
System.out.println("null item");
return null;
} else {
Item item = new Item();
@ -20,6 +21,7 @@ public class ItemType extends Type<Item> {
item.setAmount(buffer.readByte());
item.setData(buffer.readShort());
item.setTag(Type.NBT.read(buffer));
System.out.println("item tag: " + item.getTag());
return item;
}
}
@ -28,6 +30,7 @@ public class ItemType extends Type<Item> {
public void write(ByteBuf buffer, Item object) throws Exception {
if (object == null) {
buffer.writeShort(-1);
System.out.println("writing -1");
} else {
buffer.writeShort(object.getId());
buffer.writeByte(object.getAmount());

31
src/main/java/us/myles/ViaVersion2/api/type/types/minecraft/OptUUIDType.java Normale Datei
Datei anzeigen

@ -0,0 +1,31 @@
package us.myles.ViaVersion2.api.type.types.minecraft;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion2.api.type.Type;
import java.util.UUID;
public class OptUUIDType extends Type<UUID> {
public OptUUIDType() {
super(UUID.class);
}
@Override
public UUID read(ByteBuf buffer) {
boolean present = buffer.readBoolean();
if(!present) return null;
return new UUID(buffer.readLong(), buffer.readLong());
}
@Override
public void write(ByteBuf buffer, UUID object) {
if(object == null){
buffer.writeBoolean(false);
return;
}else{
buffer.writeBoolean(true);
buffer.writeLong(object.getMostSignificantBits());
buffer.writeLong(object.getLeastSignificantBits());
}
}
}