added the game

Scripts/Classes/PowerStates/Fire.gd

@@ -0,0 +1,21 @@
+extends PowerUpState
+
+var fireball_amount := 0
+const FIREBALL = preload("res://Scenes/Prefabs/Entities/Items/Fireball.tscn")
+func update(_delta: float) -> void:
+	if Global.player_action_just_pressed("action", player.player_id) and fireball_amount < 2 and player.state_machine.state.name == "Normal":
+		throw_fireball()
+
+func throw_fireball() -> void:
+	var node = FIREBALL.instantiate()
+	node.character = player.character
+	node.global_position = player.global_position - Vector2(-4 * player.direction, 16 * player.gravity_vector.y)
+	node.direction = player.direction
+	node.velocity.y = 100
+	player.call_deferred("add_sibling", node)
+	fireball_amount += 1
+	node.tree_exited.connect(func(): fireball_amount -= 1)
+	AudioManager.play_sfx("fireball", player.global_position)
+	player.attacking = true
+	await get_tree().create_timer(0.1, false).timeout
+	player.attacking = false