Gives AI a personal atmospherics control subsystem.

Includes further work on NanoUI interactions.

code/modules/nano/interaction/base.dm

@@ -17,3 +17,17 @@
 	else if (restrained() || lying || stat || stunned || weakened)
 		return STATUS_UPDATE					// update only (orange visibility)
 	return STATUS_INTERACTIVE
+
+/mob/living/silicon/ai/shared_nano_interaction()
+	if(lacks_power())
+		return STATUS_CLOSE
+	if (check_unable(1))
+		return STATUS_CLOSE
+	return ..()
+
+/mob/living/silicon/robot/shared_nano_interaction()
+	if(cell.charge <= 0)
+		return STATUS_CLOSE
+	if(lockcharge)
+		. = STATUS_DISABLED
+	return min(., ..())

code/modules/nano/interaction/default.dm

@@ -21,10 +21,10 @@
 		return ..()
 
 /mob/living/silicon/robot/default_can_use_topic(var/src_object)
-	if(stat || !client)
-		return STATUS_CLOSE
-	if(lockcharge || stunned || weakened)
-		return STATUS_DISABLED
+	. = shared_nano_interaction()
+	if(. <= STATUS_DISABLED)
+		return
+
 	// robots can interact with things they can see within their view range
 	if((src_object in view(src)) && get_dist(src_object, src) <= src.client.view)
 		return STATUS_INTERACTIVE	// interactive (green visibility)
@@ -46,8 +46,10 @@
 	return STATUS_UPDATE
 
 /mob/living/silicon/ai/default_can_use_topic(var/src_object)
-	if(!client || check_unable(1))
-		return STATUS_CLOSE
+	. = shared_nano_interaction()
+	if(. != STATUS_INTERACTIVE)
+		return
+
 	// Prevents the AI from using Topic on admin levels (by for example viewing through the court/thunderdome cameras)
 	// unless it's on the same level as the object it's interacting with.
 	var/turf/T = get_turf(src_object)
@@ -61,9 +63,8 @@
 	// If we're installed in a chassi, rather than transfered to an inteliCard or other container, then check if we have camera view
 	if(is_in_chassis())
 		//stop AIs from leaving windows open and using then after they lose vision
-		//apc_override is needed here because AIs use their own APC when powerless
 		if(cameranet && !cameranet.checkTurfVis(get_turf(src_object)))
-			return apc_override ? STATUS_INTERACTIVE : STATUS_CLOSE
+			return STATUS_CLOSE
 		return STATUS_INTERACTIVE
 	else if(get_dist(src_object, src) <= client.view)	// View does not return what one would expect while installed in an inteliCard
 		return STATUS_INTERACTIVE

code/modules/nano/interaction/self.dm

@@ -0,0 +1,10 @@
+/*
+	This state checks that the src_object is the same the as user
+*/
+/var/global/datum/topic_state/self_state/self_state = new()
+
+/datum/topic_state/self_state/can_use_topic(var/src_object, var/mob/user)
+	if(src_object != user)
+		return STATUS_CLOSE
+
+	return user.shared_nano_interaction()