Scissors/patches/server/0014-Reject-oversized-components-from-updating.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Video <videogamesm12@gmail.com>
Date: Mon, 28 Mar 2022 16:49:17 -0600
Subject: [PATCH] Reject oversized components from updating


diff --git a/src/main/java/net/minecraft/network/chat/ComponentUtils.java b/src/main/java/net/minecraft/network/chat/ComponentUtils.java
index 57206594f305961a33542e1f8079c75bfa7c535f..ea4504be0eb115e563a4abd9dcbcedd57f9edcc2 100644
--- a/src/main/java/net/minecraft/network/chat/ComponentUtils.java
+++ b/src/main/java/net/minecraft/network/chat/ComponentUtils.java
@@ -38,8 +38,9 @@ public class ComponentUtils {
     }
 
     public static MutableComponent updateForEntity(@Nullable CommandSourceStack source, Component text, @Nullable Entity sender, int depth) throws CommandSyntaxException {
+        MutableComponent result; // Scissors
         if (depth > 100) {
-            return text.copy();
+            result = text.copy(); // Scissors
         } else {
             // Paper start - adventure; pass actual vanilla component
             if (text instanceof io.papermc.paper.adventure.AdventureComponent adventureComponent) {
@@ -52,8 +53,9 @@ public class ComponentUtils {
                 mutableComponent.append(updateForEntity(source, component, sender, depth + 1));
             }
 
-            return mutableComponent.withStyle(resolveStyle(source, text.getStyle(), sender, depth));
+            result = mutableComponent.withStyle(resolveStyle(source, text.getStyle(), sender, depth)); // Scissors
         }
+        return Component.Serializer.toJson(result).length() > 65535 ? Component.empty() : result; // Scissors
     }
 
     private static Style resolveStyle(@Nullable CommandSourceStack source, Style style, @Nullable Entity sender, int depth) throws CommandSyntaxException {