better ways to do things

code/modules/ai/ai_holder.dm

@@ -27,6 +27,16 @@
 	QDEL_NULL(ai_holder)
 	return ..()
 
+/mob/living/Login()
+	if(!stat && ai_holder)
+		ai_holder.manage_processing(AI_NO_PROCESS)
+	return ..()
+
+/mob/living/Logout()
+	if(!stat && !key && ai_holder)
+		ai_holder.manage_processing(AI_PROCESSING)
+	return ..()
+
 /datum/ai_holder
 	var/mob/living/holder = null		// The mob this datum is going to control.
 	var/stance = STANCE_IDLE			// Determines if the mob should be doing a specific thing, e.g. attacking, following, standing around, etc.
@@ -145,11 +155,15 @@
 
 // 'Tactical' processes such as moving a step, meleeing an enemy, firing a projectile, and other fairly cheap actions that need to happen quickly.
 /datum/ai_holder/proc/handle_tactics()
+	if(holder.key && !autopilot)
+		return
 	handle_special_tactic()
 	handle_stance_tactical()
 
 // 'Strategical' processes that are more expensive on the CPU and so don't get run as often as the above proc, such as A* pathfinding or robust targeting.
 /datum/ai_holder/proc/handle_strategicals()
+	if(holder.key && !autopilot)
+		return
 	handle_special_strategical()
 	handle_stance_strategical()
 
@@ -160,6 +174,8 @@
 
 // For setting the stance WITHOUT processing it
 /datum/ai_holder/proc/set_stance(var/new_stance)
+	if(holder.key && !autopilot)
+		return
 	if(stance == new_stance)
 		ai_log("set_stance() : Ignoring change stance to same stance request.", AI_LOG_INFO)
 		return
@@ -277,11 +293,11 @@
 		if(STANCE_IDLE)
 			if(speak_chance) // In the long loop since otherwise it wont shut up.
 				handle_idle_speaking()
-			
+
 			if(hostile)
 				ai_log("handle_stance_strategical() : STANCE_IDLE, going to find_target().", AI_LOG_TRACE)
 				find_target()
-			
+
 			if(should_go_home())
 				ai_log("handle_stance_tactical() : STANCE_IDLE, going to go home.", AI_LOG_TRACE)
 				go_home()

code/modules/ai/ai_holder_disabled.dm

@@ -5,7 +5,7 @@
 
 // If our holder is able to do anything.
 /datum/ai_holder/proc/can_act()
-	if(!holder || (holder.client && !autopilot)) // Holder missing or occupied.
+	if(!holder) // Holder missing.
 		manage_processing(AI_NO_PROCESS)
 		return FALSE
 	if(holder.stat) // Dead or unconscious.