From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: granny <contact@granny.dev>
Date: Sat, 24 Feb 2024 19:33:01 -0800
Subject: [PATCH] check if itemstack is stackable first


diff --git a/src/main/java/net/minecraft/world/entity/player/Inventory.java b/src/main/java/net/minecraft/world/entity/player/Inventory.java
index 309acf7bd07e38043aa81e0e686edba1136bd04c..96c898086f35fd83f9b1ce7e3fe53d31b2fa4c31 100644
--- a/src/main/java/net/minecraft/world/entity/player/Inventory.java
+++ b/src/main/java/net/minecraft/world/entity/player/Inventory.java
@@ -114,7 +114,7 @@ public class Inventory implements Container, Nameable {
     }
 
     private boolean hasRemainingSpaceForItem(ItemStack existingStack, ItemStack stack) {
-        return !existingStack.isEmpty() && ItemStack.isSameItemSameTags(existingStack, stack) && existingStack.isStackable() && existingStack.getCount() < existingStack.getMaxStackSize() && existingStack.getCount() < this.getMaxStackSize();
+        return !existingStack.isEmpty() && existingStack.isStackable() && existingStack.getCount() < existingStack.getMaxStackSize() && existingStack.getCount() < this.getMaxStackSize() && ItemStack.isSameItemSameTags(existingStack, stack); // Paper - check if itemstack is stackable first
     }
 
     // CraftBukkit start - Watch method above! :D