From f275790aec4a796ed969b099364abfdf25385967 Mon Sep 17 00:00:00 2001
From: Rangi <remy.oukaour+rangi42@gmail.com>
Date: Thu, 2 Jul 2020 23:30:21 -0400
Subject: Add subdirectories to engine/ similar to pokecrystal

---
 engine/items/get_bag_item_quantity.asm | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 engine/items/get_bag_item_quantity.asm

(limited to 'engine/items/get_bag_item_quantity.asm')

diff --git a/engine/items/get_bag_item_quantity.asm b/engine/items/get_bag_item_quantity.asm
new file mode 100644
index 00000000..f10df1a0
--- /dev/null
+++ b/engine/items/get_bag_item_quantity.asm
@@ -0,0 +1,18 @@
+GetQuantityOfItemInBag:
+; In: b = item ID
+; Out: b = how many of that item are in the bag
+	call GetPredefRegisters
+	ld hl, wNumBagItems
+.loop
+	inc hl
+	ld a, [hli]
+	cp $ff
+	jr z, .notInBag
+	cp b
+	jr nz, .loop
+	ld a, [hl]
+	ld b, a
+	ret
+.notInBag
+	ld b, 0
+	ret
-- 
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