Add patch limiting map decorations back (untested)

build-data/dev-imports.txt

@@ -14,6 +14,8 @@
 #minecraft net/minecraft/network/chat/contents/NbtContents
 #minecraft net/minecraft/network/chat/ComponentUtils
 #minecraft net/minecraft/network/chat/contents/EntityDataSource
-minecraft net/minecraft/network/chat/HoverEvent
+
-minecraft net/minecraft/world/level/block/entity/DecoratedPotBlockEntity
+## Used in Scissors 1.20.2
+#minecraft net/minecraft/network/chat/HoverEvent
+#minecraft net/minecraft/world/level/block/entity/DecoratedPotBlockEntity
 #minecraft net/minecraft/advancements/critereon/MinMaxBounds

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

@@ -0,0 +1,48 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Telesphoreo <me@telesphoreo.me>
+Date: Sat, 30 Sep 2023 18:41:40 -0500
+Subject: [PATCH] Limit map decorations
+
+
+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 e4c4948e076cd64686dfd16ae0568fafc1437140..eff53c21b18574750b691b784fb1688885d4ace7 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
+@@ -361,6 +361,11 @@ 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;
+diff --git a/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java b/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
+index 2d2bf5c37709b8e747fbfa2db5ce86f258e86224..eeffb546dfa6a094089d322e46e44a8a69238680 100644
+--- a/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
++++ b/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
+@@ -1,5 +1,6 @@
+ package org.bukkit.craftbukkit.map;
+ 
++import net.minecraft.network.chat.Component;
+ import net.minecraft.world.level.saveddata.maps.MapDecoration;
+ import net.minecraft.world.level.saveddata.maps.MapItemSavedData;
+ import org.bukkit.Bukkit;
+@@ -42,7 +43,13 @@ public class CraftMapRenderer extends MapRenderer {
+             }
+ 
+             MapDecoration decoration = worldMap.decorations.get(key);
+-            cursors.addCursor(decoration.x(), decoration.y(), (byte) (decoration.rot() & 15), decoration.type().getIcon(), true, decoration.name() == null ? null : io.papermc.paper.adventure.PaperAdventure.asAdventure(decoration.name())); // Paper
++            // Scissors start - Limit decoration text length
++            Component name = decoration.name();
++            if (decoration.name() != null && decoration.name().getString().length() > 32) {
++                name = null;
++            }
++            cursors.addCursor(decoration.x(), decoration.y(), (byte) (decoration.rot() & 15), decoration.type().getIcon(), true, name == null ? null : io.papermc.paper.adventure.PaperAdventure.asAdventure(decoration.name())); // Paper
++            // Scissors end
+         }
+     }
+ 

patches/server/0044-Fix-packet-related-lag-exploits.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Fix packet-related lag exploits
 
 
 diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-index b4213a2f0f8c57b606b1a1a993d352bda200bd63..957c1ec2b6ae60c5de5960a13a2900762b6ffb61 100644
+index 4d225bb5126c083e0bf7f98992cd6d63c2dd44e9..73f6423b96ffa392e390df269f94c4012333a3e4 100644
 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 @@ -858,7 +858,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl