From 89da19de8a523ea2360214486a9ab545c127d9bb Mon Sep 17 00:00:00 2001
From: PsiOmega <git@psiomega.se>
Date: Sat, 21 Feb 2015 10:32:02 +0100
Subject: [PATCH] Fixes runtime in Topics() when called from non-NanoUI
 sources.

---
 code/game/objects/objs.dm            | 3 +++
 code/modules/nano/nanointeraction.dm | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/code/game/objects/objs.dm b/code/game/objects/objs.dm
index b67ce9023e9..518d6155528 100644
--- a/code/game/objects/objs.dm
+++ b/code/game/objects/objs.dm
@@ -21,6 +21,9 @@
 	if(!nowindow && ..())
 		return 1
 
+	if(!custom_state)
+		custom_state = default_state
+
 	// In the far future no checks are made in an overriding Topic() beyond if(..()) return
 	// Instead any such checks are made in CanUseTopic()
 	var/obj/host = nano_host()
diff --git a/code/modules/nano/nanointeraction.dm b/code/modules/nano/nanointeraction.dm
index 09b46eb30e1..c8dfa630d67 100644
--- a/code/modules/nano/nanointeraction.dm
+++ b/code/modules/nano/nanointeraction.dm
@@ -111,6 +111,8 @@
 		if(. == STATUS_UPDATE && (TK in mutations))	// If we have telekinesis and remain close enough, allow interaction.
 			return STATUS_INTERACTIVE
 
+/var/global/datum/topic_state/default_state = new()
+
 /datum/topic_state
 	var/flags = 0