From b19cf16345c30d03aeed4f96fe3cd249566486e3 Mon Sep 17 00:00:00 2001
From: "Five (Xer)" <admin@fivepb.me>
Date: Thu, 18 Feb 2021 22:02:26 +0100
Subject: [PATCH] Snapshot 21w07a

---
 .../api/network/ProtocolVersion.java          |  2 +-
 .../client/ClientSettingsWrapper.java         |  2 +-
 .../proxy/protocol/packet/ClientSettings.java | 20 ++++++++++++++++++-
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/api/src/main/java/com/velocitypowered/api/network/ProtocolVersion.java b/api/src/main/java/com/velocitypowered/api/network/ProtocolVersion.java
index e09ac5519..8637d76b0 100644
--- a/api/src/main/java/com/velocitypowered/api/network/ProtocolVersion.java
+++ b/api/src/main/java/com/velocitypowered/api/network/ProtocolVersion.java
@@ -54,7 +54,7 @@ public enum ProtocolVersion {
   MINECRAFT_1_16_2(751, "1.16.2"),
   MINECRAFT_1_16_3(753, "1.16.3"),
   MINECRAFT_1_16_4(754, "1.16.4", "1.16.5"),
-  MINECRAFT_1_17(-1, 14, "1.17"); // Snapshot: 21w06a, future protocol: 755
+  MINECRAFT_1_17(-1, 15, "1.17"); // Snapshot: 21w07a, future protocol: 755
 
   private static final int SNAPSHOT_BIT = 30;
 
diff --git a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientSettingsWrapper.java b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientSettingsWrapper.java
index b268ee19c..38942fa16 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientSettingsWrapper.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientSettingsWrapper.java
@@ -26,7 +26,7 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 public class ClientSettingsWrapper implements PlayerSettings {
 
   static final PlayerSettings DEFAULT = new ClientSettingsWrapper(
-      new ClientSettings("en_US", (byte) 10, 0, true, (short) 127, 1));
+      new ClientSettings("en_US", (byte) 10, 0, true, (short) 127, 1, true));
 
   private final ClientSettings settings;
   private final SkinParts parts;
diff --git a/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ClientSettings.java b/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ClientSettings.java
index a2d7e32bc..ef3818c99 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ClientSettings.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ClientSettings.java
@@ -33,12 +33,13 @@ public class ClientSettings implements MinecraftPacket {
   private byte difficulty; // 1.7 Protocol
   private short skinParts;
   private int mainHand;
+  private boolean chatFilteringEnabled; // Added in 1.17
 
   public ClientSettings() {
   }
 
   public ClientSettings(String locale, byte viewDistance, int chatVisibility, boolean chatColors,
-      short skinParts, int mainHand) {
+      short skinParts, int mainHand, boolean chatFilteringEnabled) {
     this.locale = locale;
     this.viewDistance = viewDistance;
     this.chatVisibility = chatVisibility;
@@ -98,6 +99,14 @@ public class ClientSettings implements MinecraftPacket {
     this.mainHand = mainHand;
   }
 
+  public boolean isChatFilteringEnabled() {
+    return chatFilteringEnabled;
+  }
+
+  public void setChatFilteringEnabled(boolean chatFilteringEnabled) {
+    this.chatFilteringEnabled = chatFilteringEnabled;
+  }
+
   @Override
   public String toString() {
     return "ClientSettings{"
@@ -107,6 +116,7 @@ public class ClientSettings implements MinecraftPacket {
         + ", chatColors=" + chatColors
         + ", skinParts=" + skinParts
         + ", mainHand=" + mainHand
+        + ", chatFilteringEnabled=" + chatFilteringEnabled
         + '}';
   }
 
@@ -125,6 +135,10 @@ public class ClientSettings implements MinecraftPacket {
 
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_9) >= 0) {
       this.mainHand = ProtocolUtils.readVarInt(buf);
+
+      if (version.compareTo(ProtocolVersion.MINECRAFT_1_17) >= 0) {
+        this.chatFilteringEnabled = buf.readBoolean();
+      }
     }
   }
 
@@ -146,6 +160,10 @@ public class ClientSettings implements MinecraftPacket {
 
     if (version.compareTo(ProtocolVersion.MINECRAFT_1_9) >= 0) {
       ProtocolUtils.writeVarInt(buf, mainHand);
+
+      if (version.compareTo(ProtocolVersion.MINECRAFT_1_17) >= 0) {
+        buf.writeBoolean(chatFilteringEnabled);
+      }
     }
   }