PaperMC/patches/server/0621-Prevent-ContainerOpenersCounter-openCount-from-going.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Tue, 30 Nov 2021 05:30:35 +0000
Subject: [PATCH] Prevent ContainerOpenersCounter openCount from going negative


diff --git a/src/main/java/net/minecraft/world/level/block/entity/ContainerOpenersCounter.java b/src/main/java/net/minecraft/world/level/block/entity/ContainerOpenersCounter.java
index 43e4e893f0e7eed1959e6ccfa43c39ff00f083b3..86dce6796f92a5b0ae2b1bd837267c4e3f6754d0 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/ContainerOpenersCounter.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/ContainerOpenersCounter.java
@@ -69,6 +69,7 @@ public abstract class ContainerOpenersCounter {
 
     public void decrementOpeners(Player player, Level world, BlockPos pos, BlockState state) {
         int oldPower = Math.max(0, Math.min(15, this.openCount)); // CraftBukkit - Get power before new viewer is added
+        if (this.openCount == 0) return; // Paper - Prevent ContainerOpenersCounter openCount from going negative
         int i = this.openCount--;
 
         // CraftBukkit start - Call redstone event