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4ab59e1326
Paper/patches/server/0406-Load-Chunks-for-Login-Asynchronously.patch
stonar96 4ab59e1326 Port Anti-Xray to 1.18 (#6947)
2021-11-30 19:26:33 +01:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 19 Apr 2020 04:28:29 -0400
Subject: [PATCH] Load Chunks for Login Asynchronously
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 6d59a813aa752b4233dbe1894cfc8273473c24e9..beebb7a0e6b8b1fa4e7d2f9fdf1962357cc2ebc3 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -174,6 +174,7 @@ public class ServerPlayer extends Player {
private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_XZ = 32;
private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_Y = 10;
public ServerGamePacketListenerImpl connection;
+ public net.minecraft.network.Connection networkManager; // Paper
public final MinecraftServer server;
public final ServerPlayerGameMode gameMode;
private final PlayerAdvancements advancements;
@@ -247,6 +248,7 @@ public class ServerPlayer extends Player {
public boolean joining = true;
public boolean sentListPacket = false;
public boolean supressTrackerForLogin = false; // Paper
+ public boolean didPlayerJoinEvent = false; // Paper
public Integer clientViewDistance;
// CraftBukkit end
public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
diff --git a/src/main/java/net/minecraft/server/level/TicketType.java b/src/main/java/net/minecraft/server/level/TicketType.java
index be677d437d17b74c6188ce1bd5fc6fdc228fd92f..78fbb4c3e52e900956ae0811aaf934c81ee5ea48 100644
--- a/src/main/java/net/minecraft/server/level/TicketType.java
+++ b/src/main/java/net/minecraft/server/level/TicketType.java
@@ -23,6 +23,7 @@ public class TicketType<T> {
public static final TicketType<ChunkPos> FORCED = TicketType.create("forced", Comparator.comparingLong(ChunkPos::toLong));
public static final TicketType<ChunkPos> LIGHT = TicketType.create("light", Comparator.comparingLong(ChunkPos::toLong));
public static final TicketType<BlockPos> PORTAL = TicketType.create("portal", Vec3i::compareTo, 300);
+ public static final TicketType<Long> LOGIN = create("login", Long::compareTo, 100); // Paper
public static final TicketType<Integer> POST_TELEPORT = TicketType.create("post_teleport", Integer::compareTo, 5);
public static final TicketType<ChunkPos> UNKNOWN = TicketType.create("unknown", Comparator.comparingLong(ChunkPos::toLong), 1);
public static final TicketType<Unit> PLUGIN = TicketType.create("plugin", (a, b) -> 0); // CraftBukkit
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 97c67fe091b2042a3aa98cc53d5e1ea1163a0966..f2960cc42295833a788a22becfa28cca76e15930 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -219,6 +219,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
private static final int LATENCY_CHECK_INTERVAL = 15000;
public final Connection connection;
private final MinecraftServer server;
+ public Runnable playerJoinReady; // Paper
public ServerPlayer player;
private int tickCount;
private long keepAliveTime = Util.getMillis();
@@ -293,6 +294,15 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
// CraftBukkit end
public void tick() {
+ // Paper start - login async
+ Runnable playerJoinReady = this.playerJoinReady;
+ if (playerJoinReady != null) {
+ this.playerJoinReady = null;
+ playerJoinReady.run();
+ }
+ // Don't tick if not valid (dead), otherwise we load chunks below
+ if (this.player.valid) {
+ // Paper end
this.resetPosition();
this.player.xo = this.player.getX();
this.player.yo = this.player.getY();
@@ -334,7 +344,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
this.lastVehicle = null;
this.clientVehicleIsFloating = false;
this.aboveGroundVehicleTickCount = 0;
- }
+ }} // Paper - end if (valid)
this.server.getProfiler().push("keepAlive");
// Paper Start - give clients a longer time to respond to pings as per pre 1.12.2 timings
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index bb767f5b626225e70a8af273384bb74dbd21430d..301042e7a0d372a914f27ec0988dd938cf2a8262 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -88,7 +88,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
}
// Paper end
} else if (this.state == ServerLoginPacketListenerImpl.State.DELAY_ACCEPT) {
- ServerPlayer entityplayer = this.server.getPlayerList().getPlayer(this.gameProfile.getId());
+ ServerPlayer entityplayer = this.server.getPlayerList().getActivePlayer(this.gameProfile.getId()); // Paper
if (entityplayer == null) {
this.state = ServerLoginPacketListenerImpl.State.READY_TO_ACCEPT;
@@ -194,7 +194,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
}
this.connection.send(new ClientboundGameProfilePacket(this.gameProfile));
- ServerPlayer entityplayer = this.server.getPlayerList().getPlayer(this.gameProfile.getId());
+ ServerPlayer entityplayer = this.server.getPlayerList().getActivePlayer(this.gameProfile.getId()); // Paper
try {
ServerPlayer entityplayer1 = this.server.getPlayerList().getPlayerForLogin(this.gameProfile, s); // CraftBukkit - add player reference
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 0a097f5bd7ce5aab3f4fba111d6dfb3d16c229c9..9b7fcd8be912cd211b6226386bd3340076953442 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -39,6 +39,7 @@ import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.game.ClientboundChangeDifficultyPacket;
import net.minecraft.network.protocol.game.ClientboundChatPacket;
import net.minecraft.network.protocol.game.ClientboundCustomPayloadPacket;
+import net.minecraft.network.protocol.game.ClientboundDisconnectPacket;
import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
import net.minecraft.network.protocol.game.ClientboundGameEventPacket;
import net.minecraft.network.protocol.game.ClientboundInitializeBorderPacket;
@@ -134,6 +135,7 @@ public abstract class PlayerList {
private final IpBanList ipBans;
private final ServerOpList ops;
private final UserWhiteList whitelist;
+ private final Map<UUID, ServerPlayer> pendingPlayers = Maps.newHashMap(); // Paper
// CraftBukkit start
// private final Map<UUID, ServerStatisticManager> stats;
// private final Map<UUID, AdvancementDataPlayer> advancements;
@@ -173,6 +175,11 @@ public abstract class PlayerList {
}
public void placeNewPlayer(Connection connection, ServerPlayer player) {
+ ServerPlayer prev = pendingPlayers.put(player.getUUID(), player);// Paper
+ if (prev != null) {
+ disconnectPendingPlayer(prev);
+ }
+ player.networkManager = connection; // Paper
player.loginTime = System.currentTimeMillis(); // Paper
GameProfile gameprofile = player.getGameProfile();
GameProfileCache usercache = this.server.getProfileCache();
@@ -186,7 +193,7 @@ public abstract class PlayerList {
if (nbttagcompound != null && nbttagcompound.contains("bukkit")) {
CompoundTag bukkit = nbttagcompound.getCompound("bukkit");
s = bukkit.contains("lastKnownName", 8) ? bukkit.getString("lastKnownName") : s;
- }
+ }String lastKnownName = s; // Paper
// CraftBukkit end
if (nbttagcompound != null) {
@@ -259,6 +266,52 @@ public abstract class PlayerList {
player.getRecipeBook().sendInitialRecipeBook(player);
this.updateEntireScoreboard(worldserver1.getScoreboard(), player);
this.server.invalidateStatus();
+ // Paper start - async load spawn in chunk
+ ServerLevel finalWorldserver = worldserver1;
+ int chunkX = loc.getBlockX() >> 4;
+ int chunkZ = loc.getBlockZ() >> 4;
+ final net.minecraft.world.level.ChunkPos pos = new net.minecraft.world.level.ChunkPos(chunkX, chunkZ);
+ net.minecraft.server.level.ChunkMap playerChunkMap = worldserver1.getChunkSource().chunkMap;
+ net.minecraft.server.level.DistanceManager distanceManager = playerChunkMap.distanceManager;
+ distanceManager.addTicketAtLevel(net.minecraft.server.level.TicketType.LOGIN, pos, 31, pos.toLong());
+ worldserver1.getChunkSource().runDistanceManagerUpdates();
+ worldserver1.getChunkSource().getChunkAtAsynchronously(chunkX, chunkZ, true, true).thenApply(chunk -> {
+ net.minecraft.server.level.ChunkHolder updatingChunk = playerChunkMap.getUpdatingChunkIfPresent(pos.toLong());
+ if (updatingChunk != null) {
+ return updatingChunk.getEntityTickingChunkFuture();
+ } else {
+ return java.util.concurrent.CompletableFuture.completedFuture(chunk);
+ }
+ }).thenAccept(chunk -> {
+ playerconnection.playerJoinReady = () -> {
+ postChunkLoadJoin(
+ player, finalWorldserver, connection, playerconnection,
+ nbttagcompound, connection.getRemoteAddress().toString(), lastKnownName
+ );
+ };
+ });
+ }
+
+ public ServerPlayer getActivePlayer(UUID uuid) {
+ ServerPlayer player = this.playersByUUID.get(uuid);
+ return player != null ? player : pendingPlayers.get(uuid);
+ }
+
+ void disconnectPendingPlayer(ServerPlayer entityplayer) {
+ TranslatableComponent msg = new TranslatableComponent("multiplayer.disconnect.duplicate_login", new Object[0]);
+ entityplayer.networkManager.send(new ClientboundDisconnectPacket(msg), (future) -> {
+ entityplayer.networkManager.disconnect(msg);
+ entityplayer.networkManager = null;
+ });
+ }
+
+ private void postChunkLoadJoin(ServerPlayer player, ServerLevel worldserver1, Connection networkmanager, ServerGamePacketListenerImpl playerconnection, CompoundTag nbttagcompound, String s1, String s) {
+ pendingPlayers.remove(player.getUUID(), player);
+ if (!networkmanager.isConnected()) {
+ return;
+ }
+ player.didPlayerJoinEvent = true;
+ // Paper end
TranslatableComponent chatmessage;
if (player.getGameProfile().getName().equalsIgnoreCase(s)) {
@@ -502,6 +555,7 @@ public abstract class PlayerList {
protected void save(ServerPlayer player) {
if (!player.getBukkitEntity().isPersistent()) return; // CraftBukkit
+ if (!player.didPlayerJoinEvent) return; // Paper - If we never fired PJE, we disconnected during login. Data has not changed, and additionally, our saved vehicle is not loaded! If we save now, we will lose our vehicle (CraftBukkit bug)
this.playerIo.save(player);
ServerStatsCounter serverstatisticmanager = (ServerStatsCounter) player.getStats(); // CraftBukkit
@@ -529,7 +583,7 @@ public abstract class PlayerList {
}
PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(entityplayer.getBukkitEntity(), net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, com.destroystokyo.paper.PaperConfig.useDisplayNameInQuit ? entityplayer.getBukkitEntity().displayName() : net.kyori.adventure.text.Component.text(entityplayer.getScoreboardName())));
- this.cserver.getPluginManager().callEvent(playerQuitEvent);
+ if (entityplayer.didPlayerJoinEvent) this.cserver.getPluginManager().callEvent(playerQuitEvent); // Paper - if we disconnected before join ever fired, don't fire quit
entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());
if (server.isSameThread()) entityplayer.doTick(); // SPIGOT-924 // Paper - don't tick during emergency shutdowns (Watchdog)
@@ -574,6 +628,13 @@ public abstract class PlayerList {
// this.advancements.remove(uuid);
// CraftBukkit end
}
+ // Paper start
+ entityplayer1 = pendingPlayers.get(uuid);
+ if (entityplayer1 == entityplayer) {
+ pendingPlayers.remove(uuid);
+ }
+ entityplayer.networkManager = null;
+ // Paper end
// CraftBukkit start
// this.broadcastAll(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.REMOVE_PLAYER, new EntityPlayer[]{entityplayer}));
@@ -591,7 +652,7 @@ public abstract class PlayerList {
this.cserver.getScoreboardManager().removePlayer(entityplayer.getBukkitEntity());
// CraftBukkit end
- return playerQuitEvent.quitMessage(); // Paper - Adventure
+ return entityplayer.didPlayerJoinEvent ? playerQuitEvent.quitMessage() : null; // CraftBukkit // Paper - Adventure // Paper - don't print quit if we never printed join
}
// CraftBukkit start - Whole method, SocketAddress to LoginListener, added hostname to signature, return EntityPlayer
@@ -610,6 +671,13 @@ public abstract class PlayerList {
list.add(entityplayer);
}
}
+ // Paper start - check pending players too
+ entityplayer = pendingPlayers.get(uuid);
+ if (entityplayer != null) {
+ this.pendingPlayers.remove(uuid);
+ disconnectPendingPlayer(entityplayer);
+ }
+ // Paper end
Iterator iterator = list.iterator();
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