Merge branch 'master' into 'moreitems'

# Conflicts:
#   squirrelbattle/entities/items.py
#   squirrelbattle/interfaces.py
#   squirrelbattle/tests/game_test.py

squirrelbattle/entities/monsters.py

@@ -43,7 +43,9 @@ class Monster(FightingEntity):
         # that targets the player.
         # If they can not move and are already close to the player,
         # they hit.
-        if target and (self.y, self.x) in target.paths:
+        if target and (self.y, self.x) in target.paths and \
+                self.map.is_visible_from(self.y, self.x,
+                                         target.y, target.x, 5):
             # Moves to target player by choosing the best available path
             for next_y, next_x in target.paths[(self.y, self.x)]:
                 moved = self.check_move(next_y, next_x, True)