From 70c9c1ad16b8d83fc59dbb1ceedfdd68d4d3958a Mon Sep 17 00:00:00 2001
From: rowan <rowan@kitsu.cafe>
Date: Fri, 2 May 2025 13:09:35 -0500
Subject: [PATCH] add caching for inventory searching

---
 src/inventory.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/inventory.ts b/src/inventory.ts
index 965e9dd..c58dfeb 100644
--- a/src/inventory.ts
+++ b/src/inventory.ts
@@ -43,12 +43,24 @@ class ItemInstance {
 }
 
 export default class Inventory extends Node {
+  private static cache = new Map()
+
   items: Map<StringName, ItemInstance> = new Map()
 
   static find_inventory(root: Node): Inventory | null | undefined {
+    if (Inventory.cache.has(root)) {
+      return Inventory.cache.get(root)
+    }
+
     const child_enumerator: GArrayEnumerator<Node> = new GArrayEnumerator(root.get_children())
     const children = Enumerable.from(child_enumerator)
-    return children.find(child => child instanceof Inventory) as Inventory
+    const inventory = children.find(child => child instanceof Inventory) as Inventory
+
+    if (inventory != null) {
+      Inventory.cache.set(root, inventory)
+    }
+
+    return inventory
   }
 
   add(item: ItemData, quantity: number = 1) {