Replace player instance

dungeonbattle/game.py

@@ -123,6 +123,8 @@ class Game:
         Loads the game from a dictionary
         """
         self.map.load_state(d)
+        # noinspection PyTypeChecker
+        self.player = self.map.find_entities(Player)[0]
         self.display_actions(DisplayActions.UPDATE)
 
     def load_game(self) -> None:

dungeonbattle/interfaces.py

@@ -45,6 +45,10 @@ class Map:
         """
         self.entities.remove(entity)
 
+    def find_entities(self, entity_class: type) -> list:
+        return [entity for entity in self.entities
+                if isinstance(entity, entity_class)]
+
     def is_free(self, y: int, x: int) -> bool:
         """
         Indicates that the case at the coordinates (y, x) is empty.