Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-18 05:50:04 +01:00
264 Zeilen
9.7 KiB
Java
264 Zeilen
9.7 KiB
Java
package net.minecraft.server;
|
|
|
|
import java.io.DataInputStream;
|
|
import java.io.DataOutputStream;
|
|
import java.io.EOFException;
|
|
import java.io.IOException;
|
|
import java.util.HashMap;
|
|
import java.util.HashSet;
|
|
import java.util.Map;
|
|
import java.util.Set;
|
|
|
|
public abstract class Packet {
|
|
|
|
public static IntHashMap j = new IntHashMap();
|
|
private static Map a = new HashMap();
|
|
private static Set b = new HashSet();
|
|
private static Set action = new HashSet();
|
|
public final long timestamp = System.currentTimeMillis();
|
|
public boolean lowPriority = false;
|
|
|
|
public Packet() {}
|
|
|
|
static void a(int i, boolean flag, boolean flag1, Class oclass) {
|
|
if (j.b(i)) {
|
|
throw new IllegalArgumentException("Duplicate packet id:" + i);
|
|
} else if (a.containsKey(oclass)) {
|
|
throw new IllegalArgumentException("Duplicate packet class:" + oclass);
|
|
} else {
|
|
j.a(i, oclass);
|
|
a.put(oclass, Integer.valueOf(i));
|
|
if (flag) {
|
|
b.add(Integer.valueOf(i));
|
|
}
|
|
|
|
if (flag1) {
|
|
action.add(Integer.valueOf(i));
|
|
}
|
|
}
|
|
}
|
|
|
|
public static Packet a(int i) {
|
|
try {
|
|
Class oclass = (Class) j.a(i);
|
|
|
|
return oclass == null ? null : (Packet) oclass.newInstance();
|
|
} catch (Exception exception) {
|
|
exception.printStackTrace();
|
|
System.out.println("Skipping packet with id " + i);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public final int b() {
|
|
return ((Integer) a.get(this.getClass())).intValue();
|
|
}
|
|
|
|
// CraftBukkit - throws IOException
|
|
public static Packet a(DataInputStream datainputstream, boolean flag) throws IOException {
|
|
boolean flag1 = false;
|
|
Packet packet = null;
|
|
|
|
int i;
|
|
|
|
try {
|
|
i = datainputstream.read();
|
|
if (i == -1) {
|
|
return null;
|
|
}
|
|
|
|
if (flag && !action.contains(Integer.valueOf(i)) || !flag && !b.contains(Integer.valueOf(i))) {
|
|
throw new IOException("Bad packet id " + i);
|
|
}
|
|
|
|
packet = a(i);
|
|
if (packet == null) {
|
|
throw new IOException("Bad packet id " + i);
|
|
}
|
|
|
|
packet.a(datainputstream);
|
|
} catch (EOFException eofexception) {
|
|
System.out.println("Reached end of stream");
|
|
return null;
|
|
}
|
|
|
|
// CraftBukkit start
|
|
catch (java.net.SocketTimeoutException exception) {
|
|
System.out.println("Read timed out");
|
|
return null;
|
|
} catch (java.net.SocketException exception) {
|
|
System.out.println("Connection reset");
|
|
return null;
|
|
}
|
|
// CraftBukkit end
|
|
|
|
PacketCounter.a(i, (long) packet.a());
|
|
return packet;
|
|
}
|
|
|
|
// CraftBukkit - throws IOException
|
|
public static void a(Packet packet, DataOutputStream dataoutputstream) throws IOException {
|
|
dataoutputstream.write(packet.b());
|
|
packet.a(dataoutputstream);
|
|
}
|
|
|
|
// CraftBukkit - throws IOException
|
|
public static void a(String s, DataOutputStream dataoutputstream) throws IOException {
|
|
if (s.length() > 32767) {
|
|
throw new IOException("String too big");
|
|
} else {
|
|
dataoutputstream.writeShort(s.length());
|
|
dataoutputstream.writeChars(s);
|
|
}
|
|
}
|
|
|
|
// CraftBukkit - throws IOException
|
|
public static String a(DataInputStream datainputstream, int i) throws IOException {
|
|
short short1 = datainputstream.readShort();
|
|
|
|
if (short1 > i) {
|
|
throw new IOException("Received string length longer than maximum allowed (" + short1 + " > " + i + ")");
|
|
} else if (short1 < 0) {
|
|
throw new IOException("Received string length is less than zero! Weird string!");
|
|
} else {
|
|
StringBuilder stringbuilder = new StringBuilder();
|
|
|
|
for (int j = 0; j < short1; ++j) {
|
|
stringbuilder.append(datainputstream.readChar());
|
|
}
|
|
|
|
return stringbuilder.toString();
|
|
}
|
|
}
|
|
|
|
public abstract void a(DataInputStream datainputstream) throws IOException; // CraftBukkit
|
|
|
|
public abstract void a(DataOutputStream dataoutputstream) throws IOException; // CraftBukkit
|
|
|
|
public abstract void handle(NetHandler nethandler);
|
|
|
|
public abstract int a();
|
|
|
|
protected ItemStack b(DataInputStream datainputstream) throws IOException { // CraftBukkit
|
|
ItemStack itemstack = null;
|
|
short short1 = datainputstream.readShort();
|
|
|
|
if (short1 >= 0) {
|
|
byte b0 = datainputstream.readByte();
|
|
short short2 = datainputstream.readShort();
|
|
|
|
itemstack = new ItemStack(short1, b0, short2);
|
|
if (Item.byId[short1].g() || Item.byId[short1].i()) {
|
|
itemstack.tag = this.c(datainputstream);
|
|
}
|
|
}
|
|
|
|
return itemstack;
|
|
}
|
|
|
|
protected void a(ItemStack itemstack, DataOutputStream dataoutputstream) throws IOException { // CraftBukkit
|
|
if (itemstack == null) {
|
|
dataoutputstream.writeShort(-1);
|
|
} else {
|
|
dataoutputstream.writeShort(itemstack.id);
|
|
dataoutputstream.writeByte(itemstack.count);
|
|
dataoutputstream.writeShort(itemstack.getData());
|
|
if (itemstack.getItem().g() || itemstack.getItem().i()) {
|
|
this.a(itemstack.tag, dataoutputstream);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected NBTTagCompound c(DataInputStream datainputstream) throws IOException { // CraftBukkit
|
|
short short1 = datainputstream.readShort();
|
|
|
|
if (short1 < 0) {
|
|
return null;
|
|
} else {
|
|
byte[] abyte = new byte[short1];
|
|
|
|
datainputstream.readFully(abyte);
|
|
return NBTCompressedStreamTools.a(abyte);
|
|
}
|
|
}
|
|
|
|
protected void a(NBTTagCompound nbttagcompound, DataOutputStream dataoutputstream) throws IOException { // CraftBukkit
|
|
if (nbttagcompound == null) {
|
|
dataoutputstream.writeShort(-1);
|
|
} else {
|
|
byte[] abyte = NBTCompressedStreamTools.a(nbttagcompound);
|
|
|
|
dataoutputstream.writeShort((short) abyte.length);
|
|
dataoutputstream.write(abyte);
|
|
}
|
|
}
|
|
|
|
static {
|
|
a(0, true, true, Packet0KeepAlive.class);
|
|
a(1, true, true, Packet1Login.class);
|
|
a(2, true, true, Packet2Handshake.class);
|
|
a(3, true, true, Packet3Chat.class);
|
|
a(4, true, false, Packet4UpdateTime.class);
|
|
a(5, true, false, Packet5EntityEquipment.class);
|
|
a(6, true, false, Packet6SpawnPosition.class);
|
|
a(7, false, true, Packet7UseEntity.class);
|
|
a(8, true, false, Packet8UpdateHealth.class);
|
|
a(9, true, true, Packet9Respawn.class);
|
|
a(10, true, true, Packet10Flying.class);
|
|
a(11, true, true, Packet11PlayerPosition.class);
|
|
a(12, true, true, Packet12PlayerLook.class);
|
|
a(13, true, true, Packet13PlayerLookMove.class);
|
|
a(14, false, true, Packet14BlockDig.class);
|
|
a(15, false, true, Packet15Place.class);
|
|
a(16, false, true, Packet16BlockItemSwitch.class);
|
|
a(17, true, false, Packet17EntityLocationAction.class);
|
|
a(18, true, true, Packet18ArmAnimation.class);
|
|
a(19, false, true, Packet19EntityAction.class);
|
|
a(20, true, false, Packet20NamedEntitySpawn.class);
|
|
a(21, true, false, Packet21PickupSpawn.class);
|
|
a(22, true, false, Packet22Collect.class);
|
|
a(23, true, false, Packet23VehicleSpawn.class);
|
|
a(24, true, false, Packet24MobSpawn.class);
|
|
a(25, true, false, Packet25EntityPainting.class);
|
|
a(26, true, false, Packet26AddExpOrb.class);
|
|
a(28, true, false, Packet28EntityVelocity.class);
|
|
a(29, true, false, Packet29DestroyEntity.class);
|
|
a(30, true, false, Packet30Entity.class);
|
|
a(31, true, false, Packet31RelEntityMove.class);
|
|
a(32, true, false, Packet32EntityLook.class);
|
|
a(33, true, false, Packet33RelEntityMoveLook.class);
|
|
a(34, true, false, Packet34EntityTeleport.class);
|
|
a(38, true, false, Packet38EntityStatus.class);
|
|
a(39, true, false, Packet39AttachEntity.class);
|
|
a(40, true, false, Packet40EntityMetadata.class);
|
|
a(41, true, false, Packet41MobEffect.class);
|
|
a(42, true, false, Packet42RemoveMobEffect.class);
|
|
a(43, true, false, Packet43SetExperience.class);
|
|
a(50, true, false, Packet50PreChunk.class);
|
|
a(51, true, false, Packet51MapChunk.class);
|
|
a(52, true, false, Packet52MultiBlockChange.class);
|
|
a(53, true, false, Packet53BlockChange.class);
|
|
a(54, true, false, Packet54PlayNoteBlock.class);
|
|
a(60, true, false, Packet60Explosion.class);
|
|
a(61, true, false, Packet61WorldEvent.class);
|
|
a(70, true, false, Packet70Bed.class);
|
|
a(71, true, false, Packet71Weather.class);
|
|
a(100, true, false, Packet100OpenWindow.class);
|
|
a(101, true, true, Packet101CloseWindow.class);
|
|
a(102, false, true, Packet102WindowClick.class);
|
|
a(103, true, false, Packet103SetSlot.class);
|
|
a(104, true, false, Packet104WindowItems.class);
|
|
a(105, true, false, Packet105CraftProgressBar.class);
|
|
a(106, true, true, Packet106Transaction.class);
|
|
a(107, true, true, Packet107SetCreativeSlot.class);
|
|
a(108, false, true, Packet108ButtonClick.class);
|
|
a(130, true, true, Packet130UpdateSign.class);
|
|
a(131, true, false, Packet131ItemData.class);
|
|
a(200, true, false, Packet200Statistic.class);
|
|
a(201, true, false, Packet201PlayerInfo.class);
|
|
a(250, true, true, Packet250CustomPayload.class);
|
|
a(254, false, true, Packet254GetInfo.class);
|
|
a(255, true, true, Packet255KickDisconnect.class);
|
|
}
|
|
}
|