Scissors/patches/server/0039-Limit-map-decorations.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Fri, 28 Apr 2023 16:29:23 -0300
Subject: [PATCH] Limit map decorations


diff --git a/src/main/java/net/minecraft/world/level/saveddata/maps/MapDecoration.java b/src/main/java/net/minecraft/world/level/saveddata/maps/MapDecoration.java
index 347d2914f9560a3ee8cea59444bc0dfbb7cf3456..b6a38b1458957bd444fea439fa81d2976ffb86e0 100644
--- a/src/main/java/net/minecraft/world/level/saveddata/maps/MapDecoration.java
+++ b/src/main/java/net/minecraft/world/level/saveddata/maps/MapDecoration.java
@@ -2,6 +2,7 @@ package net.minecraft.world.level.saveddata.maps;
 
 import java.util.Objects;
 import javax.annotation.Nullable;
+import net.minecraft.ChatFormatting; // Scissors
 import net.minecraft.network.chat.Component;
 import net.minecraft.util.Mth;
 
@@ -14,6 +15,11 @@ public class MapDecoration {
     private final Component name;
 
     public MapDecoration(MapDecoration.Type type, byte x, byte z, byte rotation, @Nullable Component text) {
+        // Scissors start - Limit decoration text length
+        if (text != null && text.getString().length() > 32) {
+            text = null;
+        }
+        // Scissors end
         this.type = type;
         this.x = x;
         this.y = z;
diff --git a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
index 25a64250ce57fe4cd90f8b95d1e003d961662152..65c2b553711e9f9ded87a422c4a0aacd7de8d8c1 100644
--- a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
+++ b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
@@ -356,6 +356,11 @@ public class MapItemSavedData extends SavedData {
     }
 
     private void addDecoration(MapDecoration.Type type, @Nullable LevelAccessor world, String key, double x, double z, double rotation, @Nullable Component text) {
+        // Scissors start - Limit decoration count
+        if (this.decorations.size() > 32) {
+            return;
+        }
+        // Scissors end
         int i = 1 << this.scale;
         float f = (float) (x - (double) this.centerX) / (float) i;
         float f1 = (float) (z - (double) this.centerZ) / (float) i;