From be4542e936861bc2cc9366910309d4dbf145b37b Mon Sep 17 00:00:00 2001
From: TheMode <themode@outlook.fr>
Date: Thu, 16 Sep 2021 19:21:36 +0200
Subject: [PATCH] Ignore air when shift clicking

Signed-off-by: TheMode <themode@outlook.fr>
---
 .../server/inventory/click/InventoryClickProcessor.java         | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/net/minestom/server/inventory/click/InventoryClickProcessor.java b/src/main/java/net/minestom/server/inventory/click/InventoryClickProcessor.java
index de93c33ce..3e41a8bce 100644
--- a/src/main/java/net/minestom/server/inventory/click/InventoryClickProcessor.java
+++ b/src/main/java/net/minestom/server/inventory/click/InventoryClickProcessor.java
@@ -149,6 +149,8 @@ public final class InventoryClickProcessor {
         final var pair = TransactionType.ADD.process(targetInventory, clicked, (index, itemStack) -> {
             if (inventory == targetInventory && index == slot)
                 return false; // Prevent item lose/duplication
+            if (itemStack.isAir())
+                return false; // Ignore air click
             InventoryClickResult result = startCondition(player, targetInventory, index, ClickType.SHIFT_CLICK, itemStack, cursor);
             if (result.isCancel()) {
                 return false;