Readd 0414 use distance map to optimise entity tracker (#9868)

1 files changed, 76 insertions, 0 deletions

diff --git a/patches/server/0445-Brand-support.patch b/patches/server/0445-Brand-support.patch
new file mode 100644
index 0000000000..1eac141c5f
--- /dev/null
+++ b/patches/server/0445-Brand-support.patch
@@ -0,0 +1,76 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: DigitalRegent <[email protected]>
+Date: Sat, 11 Apr 2020 13:10:58 +0200
+Subject: [PATCH] Brand support
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+index 4f98f80f6d8bebba33bad37fe6a722f778f93ed8..48985c0577fe1a09838137286e32128b29a60552 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -271,6 +271,7 @@ public class ServerPlayer extends Player {
+     public boolean isRealPlayer; // Paper
+     public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
+     public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
++    public @Nullable String clientBrandName = null; // Paper - Brand name
+ 
+     // Paper start - replace player chunk loader
+     private final java.util.concurrent.atomic.AtomicReference<io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.ViewDistances> viewDistances = new java.util.concurrent.atomic.AtomicReference<>(new io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.ViewDistances(-1, -1, -1));
+diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+index d1808bf9dc19fad84da5eb3b4c3d549bc624b00a..e8133a1ec975b7f63926acc7d6ab9291a2107084 100644
+--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+@@ -54,6 +54,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
+     private int latency;
+     private volatile boolean suspendFlushingOnServerThread = false;
+     private static final long KEEPALIVE_LIMIT = Long.getLong("paper.playerconnection.keepalive", 30) * 1000; // Paper - provide property to set keepalive limit
++    protected static final ResourceLocation MINECRAFT_BRAND = new ResourceLocation("brand"); // Paper - Brand support
+ 
+     public ServerCommonPacketListenerImpl(MinecraftServer minecraftserver, Connection networkmanager, CommonListenerCookie commonlistenercookie, ServerPlayer player) { // CraftBukkit
+         this.server = minecraftserver;
+@@ -109,6 +110,11 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
+ 
+     @Override
+     public void handleCustomPayload(ServerboundCustomPayloadPacket packet) {
++        // Paper start - handle brand payload packet
++        if (packet.payload() instanceof net.minecraft.network.protocol.common.custom.BrandPayload brandPayload) {
++            this.player.clientBrandName = brandPayload.brand();
++        }
++        // Paper end - handle brand payload
+         if (!(packet.payload() instanceof ServerboundCustomPayloadPacket.UnknownPayload)) {
+             return;
+         }
+@@ -140,6 +146,15 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
+             try {
+                 byte[] data = new byte[payload.readableBytes()];
+                 payload.readBytes(data);
++                // Paper start - Brand support - Retain this incase upstream decides to 'break' the new mechanism in favour of backwards compat...
++                if (identifier.equals(MINECRAFT_BRAND)) {
++                    try {
++                        this.player.clientBrandName = new net.minecraft.network.FriendlyByteBuf(io.netty.buffer.Unpooled.copiedBuffer(data)).readUtf(256);
++                    } catch (StringIndexOutOfBoundsException ex) {
++                        this.player.clientBrandName = "illegal";
++                    }
++                }
++                // Paper end
+                 this.cserver.getMessenger().dispatchIncomingMessage(this.player.getBukkitEntity(), identifier.toString(), data);
+             } catch (Exception ex) {
+                 ServerGamePacketListenerImpl.LOGGER.error("Couldn\'t dispatch custom payload", ex);
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index a516aa3ff7949d933c15220160f83a5b5dd5fd6c..82c3cac22e7384966bcd4d55a3434b781b5a6795 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -3009,6 +3009,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+         // Paper end
+     };
+ 
++    // Paper start - brand support
++    @Override
++    public String getClientBrandName() {
++        return getHandle().clientBrandName;
++    }
++    // Paper end
++
+     public Player.Spigot spigot()
+     {
+         return this.spigot;