add new location types and enhance inventory structure for shared stash support and DLC support.

pkg/data/items.go

@@ -8,10 +8,11 @@ import (
 )
 
 type Inventory struct {
-	Belt        Belt
-	AllItems    []Item
-	Gold        int
-	StashedGold [4]int
+	Belt             Belt
+	AllItems         []Item
+	Gold             int
+	StashedGold      [6]int // [0]=personal, [1..5]=shared stash pages
+	SharedStashPages int    // Number of shared stash units detected (3=non-DLC, 5+=DLC)
 }
 
 func (i Inventory) Find(name item.Name, locations ...item.LocationType) (Item, bool) {