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path: root/patches/server/0682-Do-not-run-close-logic-for-inventories-on-chunk-unlo.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 11 Mar 2021 03:03:32 -0800
Subject: [PATCH] Do not run close logic for inventories on chunk unload

Still call the event and change the active container though. We
want to avoid close logic because it's possible to load the
chunk through it. This should also be OK from a leak prevention/
state desync POV because the TE is getting unloaded anyways.

diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index e809a959d69197ecdec768a2d4f348c73c0d5b9a..0f6d4f80677c54a94a1bbfb861a3bcce17b83489 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1553,9 +1553,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
         // Spigot Start
         for (net.minecraft.world.level.block.entity.BlockEntity tileentity : chunk.getBlockEntities().values()) {
             if (tileentity instanceof net.minecraft.world.Container) {
+                // Paper start - this area looks like it can load chunks, change the behavior
+                // chests for example can apply physics to the world
+                // so instead we just change the active container and call the event
                 for (org.bukkit.entity.HumanEntity h : Lists.newArrayList(((net.minecraft.world.Container) tileentity).getViewers())) {
-                    h.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper
+                    ((org.bukkit.craftbukkit.entity.CraftHumanEntity)h).getHandle().closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper
                 }
+                // Paper end
             }
         }
         // Spigot End
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index fc0ef295241036230e2a0a12775445983df4a861..9c7bb62646fff8ba0ab9e666dcf706ef5c5dc041 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1615,6 +1615,18 @@ public class ServerPlayer extends Player {
         this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
         this.doCloseContainer();
     }
+    // Paper start - special close for unloaded inventory
+    @Override
+    public void closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        // copied from above
+        CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
+        // Paper end
+        // copied from below
+        this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
+        this.containerMenu = this.inventoryMenu;
+        // do not run close logic
+    }
+    // Paper end - special close for unloaded inventory
 
     @Override
     public void doCloseContainer() {
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index fd39c81ab54e07630fa12e9e451dcd9b529db446..b69e0cd17467752707a33540cd6113dc21554ca1 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -503,6 +503,11 @@ public abstract class Player extends LivingEntity {
         this.containerMenu = this.inventoryMenu;
     }
     // Paper end
+    // Paper start - special close for unloaded inventory
+    public void closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        this.containerMenu = this.inventoryMenu;
+    }
+    // Paper end - special close for unloaded inventory
 
     public void closeContainer() {
         this.containerMenu = this.inventoryMenu;