fix: es

game/characters/wizard/wizard.gd

@@ -27,6 +27,8 @@ signal game_over
 ## Slow down, kid!
 @export var friction: int = 25
 
+var is_game_over: bool = false
+
 var score := 0:
 	set(value):
 		score = value
@@ -37,6 +39,11 @@ var mana := 20:
 		mana = value
 		self.mana_updated.emit(mana)
 
+		# GAME OVER!!
+		if self.mana <= 0 && not is_game_over:
+			game_over.emit()
+			is_game_over = true
+
 var times := 1.0
 
 ## Get the gravity from the project settings to be synced with RigidBody nodes.
@@ -59,10 +66,6 @@ func _process(_delta: float) -> void:
 		# Add a mana
 		self.mana += 1
 
-	# GAME OVER!!
-	if self.mana <= 0:
-		game_over.emit()
-
 
 func _physics_process(delta: float) -> void:
 	# Add gravity.

game/levels/level.gd

@@ -11,17 +11,21 @@ const Ball := preload("res://game/spawnables/number/number.tscn")
 
 func _on_wizard_did_fire(ball: int, direction: float, location: Vector2) -> void:
 	var spawned: NumberBall = Ball.instantiate()
-	add_child(spawned)
 	spawned.num = ball
 	spawned.rotation = direction
 	spawned.position = location + Vector2(12, -8)
 	spawned.velocity = spawned.velocity.rotated(direction)
 	spawned.z_index = 20
+	add_child.call_deferred(spawned)
 
 
 func _on_anti_math_juice_poisoned(_amount: int) -> void:
 	self.wizard.position = self.spawn.global_position
 
 
 func _on_wizard_game_over() -> void:
-	scene_changed.emit("menus/game_over")
+	scene_changed.emit("menus/game_over/game_over")
+
+
+func _on_portal_scene_changed(next_scene_name: String) -> void:
+	scene_changed.emit(next_scene_name)

game/levels/tutorial.tscn

@@ -195,3 +195,5 @@ position = Vector2(585, 100)
 [connection signal="poisoned" from="AntiMathJuice" to="Wizard" method="_on_anti_math_juice_poisoned"]
 [connection signal="poisoned" from="LargeAntiMathJuice" to="." method="_on_anti_math_juice_poisoned"]
 [connection signal="poisoned" from="LargeAntiMathJuice" to="Wizard" method="_on_anti_math_juice_poisoned"]
+[connection signal="scene_changed" from="MainPortal" to="." method="_on_portal_scene_changed"]
+[connection signal="scene_changed" from="SecretPortal" to="." method="_on_portal_scene_changed"]

game/main.gd

@@ -17,7 +17,7 @@ func _on_scene_changed(next_scene_name: String) -> void:
 	var Next: PackedScene = load("res://game/%s.tscn" % next_scene_name)
 	next_scene = Next.instantiate()
 	next_scene.z_index = -1000
-	add_child(next_scene)
+	add_child.call_deferred(next_scene)
 	animator.play("fade_in")
 	var _status := next_scene.connect("scene_changed", _on_scene_changed)
 

game/menus/game_over/game_over.tscn

@@ -54,4 +54,4 @@ theme_override_font_sizes/font_size = 42
 action_mode = 0
 text = "RESTART"
 
-[connection signal="pressed" from="StartButton" to="." method="_on_start_button_pressed"]
+[connection signal="pressed" from="RestartButton" to="." method="_on_restart_button_pressed"]

game/scenes/portal/portal.gd

@@ -1,15 +1,10 @@
 class_name Portal
 extends Area2D
 
+signal scene_changed(next_scene_name: String)
+
 @export var level: int = 1
 
 
 func _on_body_entered(_body: Node2D) -> void:
-	self.get_tree().call_deferred(
-		"change_scene_to_file",
-		(
-			"res://game/levels/tutorial.tscn"
-			if self.level == 0
-			else "res://game/levels/%s.tscn" % self.level
-		)
-	)
+	scene_changed.emit("levels/tutorial" if self.level == 0 else "levels/%s" % self.level)