replace with multiplayer-coop files

src/scripts/stairs.gd

@@ -0,0 +1,28 @@
+extends Area2D
+
+# Stairs that trigger level completion when player enters
+
+func _ready():
+	# Connect body entered signal
+	body_entered.connect(_on_body_entered)
+	
+	# Set collision layer/mask to detect players
+	collision_layer = 0
+	collision_mask = 1  # Detect players (layer 1)
+
+func _on_body_entered(body: Node2D):
+	print("Stairs: Body entered: ", body, " is_player: ", body.is_in_group("player") if body else false, " is_dead: ", body.is_dead if body and "is_dead" in body else false)
+	if body and body.is_in_group("player") and not body.is_dead:
+		print("Stairs: Player entered stairs! Player: ", body.name)
+		# Only trigger on server/authority
+		if multiplayer.is_server() or not multiplayer.has_multiplayer_peer():
+			print("Stairs: Server detected, calling game_world")
+			var game_world = get_tree().get_first_node_in_group("game_world")
+			if game_world:
+				print("Stairs: Game world found, calling _on_player_reached_stairs")
+				game_world._on_player_reached_stairs(body)
+			else:
+				print("Stairs: ERROR - Game world not found!")
+		else:
+			print("Stairs: Not server, ignoring")
+