rendering items, pick up, iventory re-make in progress to aloow item drop/wear/whatever

engine/items/backpack.go

@@ -30,4 +30,8 @@ func (b *Backpack) HasFreeSpace(Bulk, Mass int) bool {
 		return false
 	}
 	return true
+}
+
+func (b *Backpack) GetItems() []ecs.Entity {
+	return b.items
 }