Manage needed items and item counts better

game.py

@@ -848,7 +848,7 @@ class Game:
             if authed:
 
                 if command == 'print':
-                    data = data.replace('^', '.')
+                    data = data.replace('`', '.')
                     reply = str(eval(data))
 
                 if command == 'exit':
@@ -964,6 +964,28 @@ class Game:
                 count += item.item_count
         return count
 
+    def count_inventory_slots(self):
+        # count how many inventory slots are filled
+        # excludes armour, crafting slots, off-hand
+        count = 0
+        for slot, item in self.g.inv.items():
+            if item.present and slot >= 9 and slot <= 45:
+                count += 1
+        return count
+
+    def count_window_slots(self):
+        # count how many window slots are filled
+        # excludes player inventory
+        w = self.g.window
+        w_info = mcdata.WINDOWS[w.data.window_type]
+        w_container_slots = w_info.container
+
+        count = 0
+        for slot, item in w.contents.items():
+            if item.present and slot in w_container_slots:
+                count += 1
+        return count
+
     def get_window_slot(self, item_id):
         # get the first slot that matches item of a window
         window_items = list(self.g.window.contents.items())