Added hover stack to manage overlapping Area2Ds

Added room selector in demo scenes
Modified dialogues in room 1, fixed bug in room 8 and 9

game/rooms/room2/esc/button.esc

@@ -1,5 +1,27 @@
 :look
-say player "That button must activate the bridge."
+> [! r2_look_dialog_advance]
+	say player "That button must activate the bridge."
+	set_global r2_look_dialog_advance 1
+	stop
+> [eq r2_look_dialog_advance 1]
+	say player "I already said that this button must activate the bridge."
+	set_global r2_look_dialog_advance 2
+	stop
+> [eq r2_look_dialog_advance 2]
+	set_angle player 180
+	say player "Listen closely."
+	say player "This"
+	say player "button"
+	say player "must"
+	say player "activate"
+	say player "the bridge."
+	set_global r2_look_dialog_advance 3
+	stop
+> [eq r2_look_dialog_advance 3]
+	say player "I give up."
+	say player "<sob>"
+	stop
+
 
 :push
 say player "I must USE this."