Paper/patches/server/0979-check-if-itemstack-is-stackable-first.patch

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 1e77482a98869e464c1f0a873cff8febf7924c8c..ca7fbe4f8c1e1d2fb90095aa35be4dda3029c23e 100644
--- a/src/main/java/net/minecraft/world/entity/player/Inventory.java
+++ b/src/main/java/net/minecraft/world/entity/player/Inventory.java
@@ -111,7 +111,7 @@ public class Inventory implements Container, Nameable {
     }
 
     private boolean hasRemainingSpaceForItem(ItemStack existingStack, ItemStack stack) {
-        return !existingStack.isEmpty() && ItemStack.isSameItemSameComponents(existingStack, stack) && existingStack.isStackable() && existingStack.getCount() < this.getMaxStackSize(existingStack);
+        return !existingStack.isEmpty() && existingStack.isStackable() && existingStack.getCount() < this.getMaxStackSize(existingStack) && ItemStack.isSameItemSameComponents(existingStack, stack); // Paper - check if itemstack is stackable first
     }
 
     // CraftBukkit start - Watch method above! :D