Paper/patches/server/0504-Brand-support.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: DigitalRegent <misterwener@gmail.com>
Date: Sat, 11 Apr 2020 13:10:58 +0200
Subject: [PATCH] Brand support
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 4b2ec9ff11fd1d164eb883a3ad2944804fb63eff..617d5c7ee88b6e652b4fbb73b3858cad8c15c1d9 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -4,6 +4,7 @@ import com.google.common.collect.Lists;
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import com.google.common.primitives.Floats;
import com.mojang.brigadier.ParseResults;
import com.mojang.brigadier.StringReader;
+import io.netty.buffer.Unpooled;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
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import it.unimi.dsi.fastutil.ints.Int2ObjectMap.Entry;
@@ -38,6 +39,7 @@ import net.minecraft.nbt.ListTag;
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import net.minecraft.nbt.StringTag;
import net.minecraft.nbt.Tag;
import net.minecraft.network.Connection;
+import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.chat.ChatType;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.MutableComponent;
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@@ -258,6 +260,8 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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private static final int MAX_SIGN_LINE_LENGTH = Integer.getInteger("Paper.maxSignLength", 80);
private static final long KEEPALIVE_LIMIT = Long.getLong("paper.playerconnection.keepalive", 30) * 1000; // Paper - provide property to set keepalive limit
+ private String clientBrandName = null; // Paper - Brand name
+
public ServerGamePacketListenerImpl(MinecraftServer server, Connection connection, ServerPlayer player) {
this.server = server;
this.connection = connection;
@@ -2991,6 +2995,8 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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private static final ResourceLocation CUSTOM_REGISTER = new ResourceLocation("register");
private static final ResourceLocation CUSTOM_UNREGISTER = new ResourceLocation("unregister");
+ private static final ResourceLocation MINECRAFT_BRAND = new ResourceLocation("brand"); // Paper - Brand support
+
@Override
public void handleCustomPayload(ServerboundCustomPayloadPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
@@ -3018,6 +3024,15 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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try {
byte[] data = new byte[packet.data.readableBytes()];
packet.data.readBytes(data);
+ // Paper start - Brand support
+ if (packet.identifier.equals(MINECRAFT_BRAND)) {
+ try {
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+ this.clientBrandName = new FriendlyByteBuf(Unpooled.copiedBuffer(data)).readUtf(256);
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+ } catch (StringIndexOutOfBoundsException ex) {
+ this.clientBrandName = "illegal";
+ }
+ }
+ // Paper end
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this.cserver.getMessenger().dispatchIncomingMessage(this.player.getBukkitEntity(), packet.identifier.toString(), data);
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} catch (Exception ex) {
ServerGamePacketListenerImpl.LOGGER.error("Couldn\'t dispatch custom payload", ex);
@@ -3027,6 +3042,12 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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}
+ // Paper start - brand support
+ public String getClientBrandName() {
+ return clientBrandName;
+ }
+ // Paper end
+
public final boolean isDisconnected() {
return (!this.player.joining && !this.connection.isConnected()) || this.processedDisconnect; // Paper
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 21a2f83aa91a41ea1f4e9e87e804d587838c0d45..c15d0bc8df85b81f8dec2d17b3b6eee9ef9ad1c8 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2484,6 +2484,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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// Paper end
};
+ // Paper start - brand support
+ @Override
+ public String getClientBrandName() {
+ return getHandle().connection != null ? getHandle().connection.getClientBrandName() : null;
+ }
+ // Paper end
+
public Player.Spigot spigot()
{
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return this.spigot;