Merge branch 'fix-explosions' into 'master'

Fix explosions

Closes #80

See merge request ynerant/squirrel-battle!79

squirrelbattle/entities/items.py

@@ -232,13 +232,18 @@ class Explosion(Item):
     """
     When a bomb explodes, the explosion is displayed.
     """
-    def __init__(self, *args, **kwargs):
+    living_ticks: int
+
+    def __init__(self, living_ticks: int = 2, *args, **kwargs):
         super().__init__(name="explosion", *args, **kwargs)
+        self.living_ticks = living_ticks
 
     def act(self, m: Map) -> None:
         """
         The bomb disappears after exploding.
         """
+        self.living_ticks -= 1
+        if self.living_ticks <= 0:
             m.remove_entity(self)
 
     def hold(self, player: InventoryHolder) -> None:

squirrelbattle/interfaces.py

@@ -848,7 +848,6 @@ class InventoryHolder(Entity):
         for i in range(len(inventory)):
             if isinstance(inventory[i], dict):
                 inventory[i] = self.dict_to_item(inventory[i])
-                inventory[i].held_by = self
         return inventory
 
     def dict_to_item(self, item_dict: dict) -> Entity:
@@ -859,7 +858,9 @@ class InventoryHolder(Entity):
         entity_classes = self.get_all_entity_classes_in_a_dict()
 
         item_class = entity_classes[item_dict["type"]]
-        return item_class(**item_dict)
+        item = item_class(**item_dict)
+        item.held_by = self
+        return item
 
     def save_state(self) -> dict:
         """
@@ -875,6 +876,7 @@ class InventoryHolder(Entity):
         Adds an object to the inventory.
         """
         if obj not in self.inventory:
+            obj.held_by = self
             self.inventory.append(obj)
 
     def remove_from_inventory(self, obj: Any) -> None:

squirrelbattle/tests/entities_test.py

@@ -209,7 +209,8 @@ class TestEntities(unittest.TestCase):
         self.assertNotIn(explosion, self.player.inventory)
         self.assertIsNone(explosion.held_by)
 
-        # The explosion disappears after one tick
+        # The explosion disappears after two ticks
+        explosion.act(self.map)
         explosion.act(self.map)
         self.assertNotIn(explosion, self.map.entities)
 

squirrelbattle/tests/game_test.py

@@ -255,6 +255,7 @@ class TestGame(unittest.TestCase):
         self.game.map.add_entity(explosion)
         self.assertIn(explosion, self.game.map.entities)
         self.game.handle_key_pressed(KeyValues.WAIT)
+        self.game.handle_key_pressed(KeyValues.WAIT)
         self.assertNotIn(explosion, self.game.map.entities)
 
         rabbit = Rabbit()