Added a scroll object that deals damage based on the player intelligence. Related to #60

squirrelbattle/entities/items.py

@@ -422,3 +422,24 @@ class RingXP(Ring):
                  experience: float = 2, *args, **kwargs):
         super().__init__(name=name, price=price, experience=experience,
                          *args, **kwargs)
+
+class ScrollofDamage(Item):
+    """
+    A scroll that, when used, deals damage to all entities in a certain radius.
+    """
+
+    def __init__(self, name: str = "scroll_of_damage", price: int = 18,
+                 *args, **kwargs):
+        super().__init__(name=name, price=price, *args, **kwargs)
+
+    def use(self) -> None:
+        """
+        Find all entities within a radius of 5, and deal damage based on the
+        player's intelligence.
+        """
+        for entity in self.held_by.map.entities:
+            if entity.is_fighting_entity() and not entity == self.held_by:
+                if entity.distance(self.held_by)<=5:
+                    self.held_by.map.logs.add_message(entity.take_damage(\
+                        self.held_by, self.held_by.intelligence))
+        self.held_by.inventory.remove(self)