Flashy flash and Gondola Pods

and cult effect addition, fixes CTF

code/modules/tgui/external.dm

@@ -67,6 +67,15 @@
  **/
 /mob/var/list/open_uis = list()
 
+ /**
+  * public
+  *
+  * Called on a UI's object when the UI is closed, not to be confused with client/verb/uiclose(), which closes the ui window
+  *
+  *
+ **/
+/datum/proc/ui_close()
+
  /**
   * verb
   *

code/modules/tgui/tgui.dm

@@ -127,6 +127,7 @@
  **/
 /datum/tgui/proc/close()
 	user << browse(null, "window=[window_id]") // Close the window.
+	src_object.ui_close()
 	SStgui.on_close(src)
 	for(var/datum/tgui/child in children) // Loop through and close all children.
 		child.close()