From a21d662887b49264ae30102a1bffdd2a9295b68d Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Mon, 13 Apr 2020 07:31:44 +0100
Subject: [PATCH] Prevent opening inventories when frozen


diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index fb3897583..cd8df622f 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -1917,7 +1917,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
     }
 
     @Override
-    protected boolean isFrozen() {
+    public boolean isFrozen() { // Paper - protected > public
         return super.isFrozen() || (this.playerConnection != null && this.playerConnection.isDisconnected()); // Paper
     }
 
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
index 1c88eacea..5a79c7f13 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
@@ -305,6 +305,7 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
     public InventoryView openInventory(Inventory inventory) {
         if (!(getHandle() instanceof EntityPlayer)) return null;
         EntityPlayer player = (EntityPlayer) getHandle();
+        if (player.isFrozen()) return null; // Paper
         Container formerContainer = getHandle().activeContainer;
 
         ITileInventory iinventory = null;
-- 
2.26.0