From fe37aa11df9967a213f9b7ba4a23b2682421fde2 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Fri, 5 Sep 2025 11:56:36 -0400
Subject: [PATCH] Accidental crash when you click on an empty inventory.

---
 systems.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/systems.cpp b/systems.cpp
index 62c70f7..4c7420b 100644
--- a/systems.cpp
+++ b/systems.cpp
@@ -624,6 +624,7 @@ bool System::use_item(const string& slot_name) {
   auto& player_combat = world.get<Combat>(level.player);
 
   if(player_combat.hp >= player_combat.max_hp) return false;
+  if(!inventory.has(slot_name)) return false;
 
   auto what = inventory.get(slot_name);