add room paused state

scenes/room/states/room_paused.gd

@@ -0,0 +1,17 @@
+extends RoomState
+
+
+var _prev_state: String
+
+
+func _enter(previous_state_path: String, _data: Dictionary = {}) -> void:
+	print("entering room pause")
+	_prev_state = previous_state_path
+	get_tree().paused = true
+	print("room paused")
+
+
+func _handle_input(event: InputEvent) -> void:
+	if event.is_action_pressed("pause"):
+		finished.emit(_prev_state)
+		return

scenes/room/states/room_paused.gd.uid

@@ -0,0 +1 @@
+uid://ceevyto3vbq7c

scenes/room/states/room_playing.gd

@@ -3,10 +3,13 @@ extends RoomState
 
 func _enter(_previous_state_path: String, _data: Dictionary = {}) -> void:
 	print("entering room gameplay")
+	get_tree().paused = false
+
+
+func _handle_input(event: InputEvent) -> void:
+	if event.is_action_pressed("pause"):
+		finished.emit(PAUSED)
 
 
 func _state_physics_update(delta: float) -> void:
 	room.camera.follow_player(delta)
-	
-	if Input.is_action_just_pressed("pause"):
-		finished.emit(PAUSED)