From df4ef2965a677db97343ef9758a83338affa2a8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Gim=C3=A9nez?= <hector.fwbz@gmail.com>
Date: Sun, 29 Sep 2024 22:20:43 +0900
Subject: [PATCH] calculate inventory matrix based on current inv items

---
 pkg/data/items.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/pkg/data/items.go b/pkg/data/items.go
index c09a50b..5a4ed90 100644
--- a/pkg/data/items.go
+++ b/pkg/data/items.go
@@ -57,6 +57,20 @@ func (i Inventory) ByLocation(locations ...item.LocationType) []Item {
 	return items
 }
 
+func (i Inventory) Matrix() [4][10]bool {
+	invMatrix := [4][10]bool{} // false = empty, true = occupied
+	for _, itm := range i.ByLocation(item.LocationInventory) {
+		for k := range itm.Desc().InventoryWidth {
+			invMatrix[itm.Position.Y][itm.Position.X+k] = true
+		}
+		for k := range itm.Desc().InventoryHeight {
+			invMatrix[itm.Position.Y+k][itm.Position.X] = true
+		}
+	}
+
+	return invMatrix
+}
+
 type UnitID int
 
 type Item struct {