Merge pull request #6733 from VOREStation/pol-aitweaks

Readd some AI features and improve AI buildmode

code/__defines/_planes+layers.dm

@@ -130,6 +130,8 @@ What is the naming convention for planes or layers?
 
 #define PLANE_ADMIN2			33 //Purely for shenanigans (above lighting)
 
+#define PLANE_BUILDMODE			39 //Things that only show up when you have buildmode on
+
 //Fullscreen overlays under inventory
 #define PLANE_FULLSCREEN		90 //Blindness, mesons, druggy, etc
 	#define OBFUSCATION_LAYER	5 //Where images covering the view for eyes are put

code/__defines/mobs.dm

@@ -394,7 +394,9 @@
 #define VIS_OBJS			20
 #define VIS_MOBS			21
 
-#define VIS_COUNT			21 //Must be highest number from above.
+#define VIS_BUILDMODE		22
+
+#define VIS_COUNT			22 //Must be highest number from above.
 
 //Some mob icon layering defines
 #define BODY_LAYER		-100

code/global.dm

@@ -178,6 +178,7 @@ var/list/station_departments = list("Command", "Medical", "Engineering", "Scienc
 //Icons for in-game HUD glasses. Why don't we just share these a little bit?
 var/static/icon/ingame_hud = icon('icons/mob/hud.dmi')
 var/static/icon/ingame_hud_med = icon('icons/mob/hud_med.dmi')
+var/static/icon/buildmode_hud = icon('icons/misc/buildmode.dmi')
 
 //Keyed list for caching icons so you don't need to make them for records, IDs, etc all separately.
 //Could be useful for AI impersonation or something at some point?

code/modules/admin/verbs/buildmode.dm

@@ -1,3 +1,15 @@
+#define BUILDMODE_BASIC 	1
+#define BUILDMODE_ADVANCED 	2
+#define BUILDMODE_EDIT 		3
+#define BUILDMODE_THROW 	4
+#define BUILDMODE_ROOM 		5
+#define BUILDMODE_LADDER 	6
+#define BUILDMODE_CONTENTS 	7
+#define BUILDMODE_LIGHTS 	8
+#define BUILDMODE_AI 		9
+
+#define LAST_BUILDMODE		9
+
 /proc/togglebuildmode(mob/M as mob in player_list)
 	set name = "Toggle Build Mode"
 	set category = "Special Verbs"
@@ -6,6 +18,7 @@
 			log_admin("[key_name(usr)] has left build mode.")
 			M.client.buildmode = 0
 			M.client.show_popup_menus = 1
+			M.plane_holder.set_vis(VIS_BUILDMODE, FALSE)
 			for(var/obj/effect/bmode/buildholder/H)
 				if(H.cl == M.client)
 					qdel(H)
@@ -13,6 +26,7 @@
 			log_admin("[key_name(usr)] has entered build mode.")
 			M.client.buildmode = 1
 			M.client.show_popup_menus = 0
+			M.plane_holder.set_vis(VIS_BUILDMODE, TRUE)
 
 			var/obj/effect/bmode/buildholder/H = new/obj/effect/bmode/buildholder()
 			var/obj/effect/bmode/builddir/A = new/obj/effect/bmode/builddir(H)
@@ -72,7 +86,8 @@
 	screen_loc = "NORTH,WEST+1"
 	Click()
 		switch(master.cl.buildmode)
-			if(1) // Basic Build
+
+			if(BUILDMODE_BASIC)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button        = Construct / Upgrade</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button       = Deconstruct / Delete / Downgrade</span>")
@@ -82,7 +97,8 @@
 				to_chat(usr, "<span class='notice'>Use the button in the upper left corner to</span>")
 				to_chat(usr, "<span class='notice'>change the direction of built objects.</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(2) // Adv. Build
+			
+			if(BUILDMODE_ADVANCED)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on buildmode button = Set object type</span>")
 				to_chat(usr, "<span class='notice'>Middle Mouse Button on buildmode button= On/Off object type saying</span>")
@@ -94,44 +110,56 @@
 				to_chat(usr, "<span class='notice'>Use the button in the upper left corner to</span>")
 				to_chat(usr, "<span class='notice'>change the direction of built objects.</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(3) // Edit
+			
+			if(BUILDMODE_EDIT)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on buildmode button = Select var(type) & value</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on turf/obj/mob      = Set var(type) & value</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on turf/obj/mob     = Reset var's value</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(4) // Throw
+			
+			if(BUILDMODE_THROW)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on turf/obj/mob      = Select</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on turf/obj/mob     = Throw</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(5) // Room Build
+			
+			if(BUILDMODE_ROOM)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on turf              = Select as point A</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on turf             = Select as point B</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on buildmode button = Change floor/wall type</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(6) // Make Ladders
+			
+			if(BUILDMODE_LADDER)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on turf              = Set as upper ladder loc</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on turf             = Set as lower ladder loc</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(7) // Move Into Contents
+			
+			if(BUILDMODE_CONTENTS)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on turf/obj/mob      = Select</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on turf/obj/mob     = Move into selection</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(8) // Make Lights
+			
+			if(BUILDMODE_LIGHTS)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on turf/obj/mob      = Make it glow</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on turf/obj/mob     = Reset glowing</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on buildmode button = Change glow properties</span>")
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
-			if(9) // Control mobs with ai_holders.
+			
+			if(BUILDMODE_AI)
 				to_chat(usr, "<span class='notice'>***********************************************************</span>")
+				to_chat(usr, "<span class='notice'>Left Mouse Button drag box             = Select only mobs in box</span>")
+				to_chat(usr, "<span class='notice'>Left Mouse Button drag box + shift     = Select additional mobs in area</span>")
+				to_chat(usr, "<span class='notice'>Left Mouse Button on non-mob           = Deselect all mobs</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button on AI mob            = Select/Deselect mob</span>")
 				to_chat(usr, "<span class='notice'>Left Mouse Button + alt on AI mob      = Toggle hostility on mob</span>")
-				to_chat(usr, "<span class='notice'>Left Mouse Button + ctrl on AI mob     = Reset target/following/movement</span>")
+				to_chat(usr, "<span class='notice'>Left Mouse Button + shift on AI mob    = Toggle AI (also resets)</span>")
+				to_chat(usr, "<span class='notice'>Left Mouse Button + ctrl on AI mob 	  = Copy mob faction</span>")
+				to_chat(usr, "<span class='notice'>Right Mouse Button + ctrl on any mob   = Paste mob faction copied with Left Mouse Button + shift</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on enemy mob        = Command selected mobs to attack mob</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button on allied mob       = Command selected mobs to follow mob</span>")
 				to_chat(usr, "<span class='notice'>Right Mouse Button + shift on any mob  = Command selected mobs to follow mob regardless of faction</span>")
@@ -159,6 +187,7 @@
 	var/obj/effect/bmode/buildquit/buildquit = null
 	var/atom/movable/throw_atom = null
 	var/list/selected_mobs = list()
+	var/copied_faction = null
 
 /obj/effect/bmode/buildholder/Destroy()
 	qdel(builddir)
@@ -184,7 +213,6 @@
 	selected_mobs -= unit
 	C.images -= unit.selected_image
 
-
 /obj/effect/bmode/buildmode
 	icon_state = "buildmode1"
 	screen_loc = "NORTH,WEST+2"
@@ -207,48 +235,25 @@
 
 	if(pa.Find("middle"))
 		switch(master.cl.buildmode)
-			if(2)
+			if(BUILDMODE_ADVANCED)
 				objsay=!objsay
 
-
 	if(pa.Find("left"))
-		switch(master.cl.buildmode)
-			if(1)
-				master.cl.buildmode = 2
-				src.icon_state = "buildmode2"
-			if(2)
-				master.cl.buildmode = 3
-				src.icon_state = "buildmode3"
-			if(3)
-				master.cl.buildmode = 4
-				src.icon_state = "buildmode4"
-			if(4)
-				master.cl.buildmode = 5
-				src.icon_state = "buildmode5"
-			if(5)
-				master.cl.buildmode = 6
-				src.icon_state = "buildmode6"
-			if(6)
-				master.cl.buildmode = 7
-				src.icon_state = "buildmode7"
-			if(7)
-				master.cl.buildmode = 8
-				src.icon_state = "buildmode8"
-			if(8)
-				master.cl.buildmode = 9
-				src.icon_state = "buildmode9"
-			if(9)
+		if(master.cl.buildmode == LAST_BUILDMODE)
 			master.cl.buildmode = 1
-				src.icon_state = "buildmode1"
+		else
+			master.cl.buildmode++
+		src.icon_state = "buildmode[master.cl.buildmode]"
 
 	else if(pa.Find("right"))
 		switch(master.cl.buildmode)
-			if(1) // Basic Build
+			if(BUILDMODE_BASIC)
+
 				return 1
-			if(2) // Adv. Build
+			if(BUILDMODE_ADVANCED)
 				objholder = get_path_from_partial_text(/obj/structure/closet)
 
-			if(3) // Edit
+			if(BUILDMODE_EDIT)
 				var/list/locked = list("vars", "key", "ckey", "client", "firemut", "ishulk", "telekinesis", "xray", "virus", "viruses", "cuffed", "ka", "last_eaten", "urine")
 
 				master.buildmode.varholder = input(usr,"Enter variable name:" ,"Name", "name")
@@ -267,14 +272,16 @@
 						master.buildmode.valueholder = input(usr,"Enter variable value:" ,"Value") as obj in world
 					if("turf-reference")
 						master.buildmode.valueholder = input(usr,"Enter variable value:" ,"Value") as turf in world
-			if(5) // Room build
+			
+			if(BUILDMODE_ROOM)
 				var/choice = alert("Would you like to change the floor or wall holders?","Room Builder", "Floor", "Wall")
 				switch(choice)
 					if("Floor")
 						floor_holder = get_path_from_partial_text(/turf/simulated/floor/plating)
 					if("Wall")
 						wall_holder = get_path_from_partial_text(/turf/simulated/wall)
-			if(8) // Lights
+			
+			if(BUILDMODE_LIGHTS)
 				var/choice = alert("Change the new light range, power, or color?", "Light Maker", "Range", "Power", "Color")
 				switch(choice)
 					if("Range")
@@ -301,7 +308,7 @@
 	var/list/pa = params2list(params)
 
 	switch(buildmode)
-		if(1) // Basic Build
+		if(BUILDMODE_BASIC)
 			if(istype(object,/turf) && pa.Find("left") && !pa.Find("alt") && !pa.Find("ctrl") )
 				if(istype(object,/turf/space))
 					var/turf/T = object
@@ -350,7 +357,8 @@
 					if(NORTHWEST)
 						var/obj/structure/window/reinforced/WIN = new/obj/structure/window/reinforced(get_turf(object))
 						WIN.set_dir(NORTHWEST)
-		if(2) // Adv. Build
+		
+		if(BUILDMODE_ADVANCED)
 			if(pa.Find("left") && !pa.Find("ctrl"))
 				if(ispath(holder.buildmode.objholder,/turf))
 					var/turf/T = get_turf(object)
@@ -369,8 +377,7 @@
 				if(holder.buildmode.objsay)
 					to_chat(usr, "[object.type]")
 
-
-		if(3) // Edit
+		if(BUILDMODE_EDIT)
 			if(pa.Find("left")) //I cant believe this shit actually compiles.
 				if(object.vars.Find(holder.buildmode.varholder))
 					log_admin("[key_name(usr)] modified [object.name]'s [holder.buildmode.varholder] to [holder.buildmode.valueholder]")
@@ -384,7 +391,7 @@
 				else
 					to_chat(user, "<span class='danger'>[initial(object.name)] does not have a var called '[holder.buildmode.varholder]'</span>")
 
-		if(4) // Throw
+		if(BUILDMODE_THROW)
 			if(pa.Find("left"))
 				if(istype(object, /atom/movable))
 					holder.throw_atom = object
@@ -392,7 +399,8 @@
 				if(holder.throw_atom)
 					holder.throw_atom.throw_at(object, 10, 1)
 					log_admin("[key_name(usr)] threw [holder.throw_atom] at [object]")
-		if(5) // Room build
+		
+		if(BUILDMODE_ROOM)
 			if(pa.Find("left"))
 				holder.buildmode.coordA = get_turf(object)
 				to_chat(user, "<span class='notice'>Defined [object] ([object.type]) as point A.</span>")
@@ -411,7 +419,8 @@
 					)
 				holder.buildmode.coordA = null
 				holder.buildmode.coordB = null
-		if(6) // Ladders
+		
+		if(BUILDMODE_LADDER)
 			if(pa.Find("left"))
 				holder.buildmode.coordA = get_turf(object)
 				to_chat(user, "<span class='notice'>Defined [object] ([object.type]) as upper ladder location.</span>")
@@ -430,7 +439,8 @@
 				B.update_icon()
 				holder.buildmode.coordA = null
 				holder.buildmode.coordB = null
-		if(7) // Move into contents
+		
+		if(BUILDMODE_CONTENTS)
 			if(pa.Find("left"))
 				if(istype(object, /atom))
 					holder.throw_atom = object
@@ -438,23 +448,32 @@
 				if(holder.throw_atom && istype(object, /atom/movable))
 					object.forceMove(holder.throw_atom)
 					log_admin("[key_name(usr)] moved [object] into [holder.throw_atom].")
-		if(8) // Lights
+		
+		if(BUILDMODE_LIGHTS)
 			if(pa.Find("left"))
 				if(object)
 					object.set_light(holder.buildmode.new_light_range, holder.buildmode.new_light_intensity, holder.buildmode.new_light_color)
 			if(pa.Find("right"))
 				if(object)
 					object.set_light(0, 0, "#FFFFFF")
-		if(9) // AI control
+		
+		if(BUILDMODE_AI)
 			if(pa.Find("left"))
 				if(isliving(object))
 					var/mob/living/L = object
-					// Reset processes.
-					if(pa.Find("ctrl"))
-						if(!isnull(L.get_AI_stance())) // Null means there's no AI datum or it has one but is player controlled w/o autopilot on.
+
+					// Pause/unpause AI
+					if(pa.Find("shift"))
+						var/stance = L.get_AI_stance()
+						if(!isnull(stance)) // Null means there's no AI datum or it has one but is player controlled w/o autopilot on.
 							var/datum/ai_holder/AI = L.ai_holder
-							AI.forget_everything()
-							to_chat(user, span("notice", "\The [L]'s AI has forgotten its target/movement destination/leader."))
+							if(stance == STANCE_SLEEP)
+								AI.go_wake()
+								to_chat(user, span("notice", "\The [L]'s AI has been enabled."))
+							else
+								AI.go_sleep()
+								to_chat(user, span("notice", "\The [L]'s AI has been disabled."))
+							return
 						else
 							to_chat(user, span("warning", "\The [L] is not AI controlled."))
 						return
@@ -469,6 +488,12 @@
 							to_chat(user, span("warning", "\The [L] is not AI controlled."))
 						return
 
+					// Copy faction
+					if(pa.Find("ctrl"))
+						holder.copied_faction = L.faction
+						to_chat(user, span("notice", "Copied faction '[holder.copied_faction]'."))
+						return
+
 					// Select/Deselect
 					if(!isnull(L.get_AI_stance()))
 						if(L in holder.selected_mobs)
@@ -477,10 +502,27 @@
 						else
 							holder.select_AI_mob(user.client, L)
 							to_chat(user, span("notice", "Selected \the [L]."))
+						return
 					else
 						to_chat(user, span("warning", "\The [L] is not AI controlled."))
+						return
+				else //Not living
+					for(var/mob/living/unit in holder.selected_mobs)
+						holder.deselect_AI_mob(user.client, unit)
+						
 
 			if(pa.Find("right"))
+				// Paste faction
+				if(pa.Find("ctrl") && isliving(object))
+					if(!holder.copied_faction)
+						to_chat(user, span("warning", "LMB+Shift a mob to copy their faction before pasting."))
+						return
+					else
+						var/mob/living/L = object
+						L.faction = holder.copied_faction
+						to_chat(user, span("notice", "Pasted faction '[holder.copied_faction]'."))
+						return
+
 				if(istype(object, /atom)) // Force attack.
 					var/atom/A = object
 
@@ -491,6 +533,9 @@
 							AI.give_target(A)
 							i++
 						to_chat(user, span("notice", "Commanded [i] mob\s to attack \the [A]."))
+						var/image/orderimage = image(buildmode_hud,A,"ai_targetorder")
+						orderimage.plane = PLANE_BUILDMODE
+						flick_overlay(orderimage, list(user.client), 8, TRUE)
 						return
 
 				if(isliving(object)) // Follow or attack.
@@ -515,16 +560,67 @@
 					if(j)
 						message += "[j] mob\s to follow \the [L]."
 					to_chat(user, span("notice", message))
+					var/image/orderimage = image(buildmode_hud,L,"ai_targetorder")
+					orderimage.plane = PLANE_BUILDMODE
+					flick_overlay(orderimage, list(user.client), 8, TRUE)
+					return
 
 				if(isturf(object)) // Move or reposition.
 					var/turf/T = object
-					var/i = 0
+					var/forced = 0
+					var/told = 0
 					for(var/mob/living/unit in holder.selected_mobs)
 						var/datum/ai_holder/AI = unit.ai_holder
+						if(unit.get_AI_stance() == STANCE_SLEEP)
+							unit.forceMove(T)
+							forced++
+						else
 							AI.give_destination(T, 1, pa.Find("shift")) // If shift is held, the mobs will not stop moving to attack a visible enemy.
-						i++
-					to_chat(user, span("notice", "Commanded [i] mob\s to move to \the [T]."))
+							told++
+					to_chat(user, span("notice", "Commanded [told] mob\s to move to \the [T], and manually placed [forced] of them."))
+					var/image/orderimage = image(buildmode_hud,T,"ai_turforder")
+					orderimage.plane = PLANE_BUILDMODE
+					flick_overlay(orderimage, list(user.client), 8, TRUE)
+					return
 
+/proc/build_drag(var/client/user, buildmode, var/atom/fromatom, var/atom/toatom, var/atom/fromloc, var/atom/toloc, var/fromcontrol, var/tocontrol, params)
+	var/obj/effect/bmode/buildholder/holder = null
+	for(var/obj/effect/bmode/buildholder/H)
+		if(H.cl == user)
+			holder = H
+			break
+	if(!holder) return
+	var/list/pa = params2list(params)
+
+	switch(buildmode)
+		if(BUILDMODE_AI)
+			
+			//Holding shift prevents the deselection of existing
+			if(!pa.Find("shift"))
+				for(var/mob/living/unit in holder.selected_mobs)
+					holder.deselect_AI_mob(user, unit)
+
+			var/turf/c1 = get_turf(fromatom)
+			var/turf/c2 = get_turf(toatom)
+			if(!c1 || !c2)
+				return //Dragged outside window or something
+
+			var/low_x = min(c1.x,c2.x)
+			var/low_y = min(c1.y,c2.y)
+			var/hi_x = max(c1.x,c2.x)
+			var/hi_y = max(c1.y,c2.y)
+			var/z = c1.z //Eh
+			
+			var/i = 0
+			for(var/mob/living/L in living_mob_list)
+				if(L.z != z || L.client)
+					continue
+				if(L.x >= low_x && L.x <= hi_x && L.y >= low_y && L.y <= hi_y)
+					holder.select_AI_mob(user, L)
+					i++
+
+			to_chat(user, span("notice", "Band-selected [i] mobs."))
+			return
 
 /obj/effect/bmode/buildmode/proc/get_path_from_partial_text(default_path)
 	var/desired_path = input("Enter full or partial typepath.","Typepath","[default_path]")
@@ -597,3 +693,14 @@
 					T.ChangeTurf(floor_type)
 				else
 					new floor_type(T)
+
+#undef BUILDMODE_BASIC
+#undef BUILDMODE_ADVANCED
+#undef BUILDMODE_EDIT
+#undef BUILDMODE_THROW
+#undef BUILDMODE_ROOM
+#undef BUILDMODE_LADDER
+#undef BUILDMODE_CONTENTS
+#undef BUILDMODE_LIGHTS
+#undef BUILDMODE_AI
+#undef LAST_BUILDMODE

code/modules/ai/aI_holder_subtypes/simple_mob_ai.dm

@@ -150,3 +150,40 @@
 // Simple mobs that retaliate and support others in their faction who get attacked.
 /datum/ai_holder/simple_mob/retaliate/cooperative
 	cooperative = TRUE
+
+// With all the bells and whistles
+/datum/ai_holder/simple_mob/humanoid
+	intelligence_level = AI_SMART //Purportedly
+	retaliate = TRUE //If attacked, attack back
+	threaten = TRUE //Verbal threats
+	firing_lanes = TRUE //Avoid shooting allies
+	conserve_ammo = TRUE //Don't shoot when it can't hit target
+	can_breakthrough = TRUE //Can break through doors
+	violent_breakthrough = FALSE //Won't try to break through walls (humans can, but usually don't)
+	speak_chance = 2 //Babble chance
+	cooperative = TRUE //Assist each other
+	wander = TRUE //Wander around
+	returns_home = TRUE //But not too far
+	use_astar = TRUE //Path smartly
+	home_low_priority = TRUE //Following/helping is more important
+
+// The hostile subtype is implied to be trained combatants who use ""tactics""
+/datum/ai_holder/simple_mob/humanoid/hostile
+	var/run_if_this_close = 4 // If anything gets within this range, it'll try to move away.
+	hostile = TRUE //Attack!
+
+// Juke
+/datum/ai_holder/simple_mob/humanoid/hostile/post_melee_attack(atom/A)
+	holder.IMove(get_step(holder, pick(alldirs)))
+	holder.face_atom(A)
+
+/datum/ai_holder/simple_mob/humanoid/hostile/post_ranged_attack(atom/A)
+	//Pick a random turf to step into
+	var/turf/T = get_step(holder, pick(alldirs))
+	if(check_trajectory(A, T)) // Can we even hit them from there?
+		holder.IMove(T)
+		holder.face_atom(A)
+
+	if(get_dist(holder, A) < run_if_this_close)
+		holder.IMove(get_step_away(holder, A))
+		holder.face_atom(A)

code/modules/ai/aI_holder_subtypes/slime_xenobio_ai.dm

@@ -77,7 +77,7 @@
 		if(rabid)
 			return
 		var/justified = my_slime.is_justified_to_discipline() // This will also consider the AI-side of that proc.
-		lost_target() // Stop attacking.
+		remove_target() // Stop attacking.
 
 		if(justified)
 			obedience++
@@ -137,7 +137,7 @@
 
 // Called when using a pacification agent (or it's Kendrick being initalized).
 /datum/ai_holder/simple_mob/xenobio_slime/proc/pacify()
-	lost_target() // So it stops trying to kill them.
+	remove_target() // So it stops trying to kill them.
 	rabid = FALSE
 	hostile = FALSE
 	retaliate = FALSE
@@ -247,7 +247,7 @@
 				else
 					delayed_say("Fine...", speaker)
 					adjust_discipline(1, TRUE) // This must come before losing the target or it will be unjustified.
-					lost_target()
+					remove_target()
 
 
 			if(leader) // We're being asked to stop following someone.

code/modules/ai/ai_holder.dm

@@ -46,8 +46,25 @@
 	home_turf = null
 	return ..()
 
+/datum/ai_holder/proc/update_stance_hud()
+	var/image/stanceimage = holder.grab_hud(LIFE_HUD)
+	stanceimage.icon_state = "ais_[stance]"
+	holder.apply_hud(LIFE_HUD, stanceimage)
+
+/datum/ai_holder/proc/update_paused_hud()
+	var/image/sleepingimage = holder.grab_hud(STATUS_HUD)
+	var/asleep = 0
+	if(busy)
+		asleep = 2
+	else if (stance == STANCE_SLEEP)
+		asleep = 1
+	sleepingimage.icon_state = "ai_[asleep]"
+	holder.apply_hud(STATUS_HUD, sleepingimage)
 
 // Now for the actual AI stuff.
+/datum/ai_holder/proc/set_busy(var/value = 0)
+	busy = value
+	update_paused_hud()
 
 // Makes this ai holder not get processed.
 // Called automatically when the host mob is killed.
@@ -58,6 +75,7 @@
 	forget_everything() // If we ever wake up, its really unlikely that our current memory will be of use.
 	set_stance(STANCE_SLEEP)
 	SSai.processing -= src
+	update_paused_hud()
 
 // Reverses the above proc.
 // Revived mobs will wake their AI if they have one.
@@ -68,6 +86,7 @@
 		return
 	set_stance(STANCE_IDLE)
 	SSai.processing += src
+	update_paused_hud()
 
 /datum/ai_holder/proc/should_wake()
 	if(holder.client && !autopilot)
@@ -80,9 +99,7 @@
 /datum/ai_holder/proc/forget_everything()
 	// Some of these might be redundant, but hopefully this prevents future bugs if that changes.
 	lose_follow()
-	lose_target()
-	lose_target_position()
-	give_up_movement()
+	remove_target()
 
 // '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()
@@ -103,39 +120,13 @@
 
 /datum/ai_holder/proc/handle_special_strategical()
 
-/*
-	//AI Actions
-	if(!ai_inactive)
-		//Stanceyness
-		handle_stance()
-
-		//Movement
-		if(!stop_automated_movement && wander && !anchored) //Allowed to move?
-			handle_wander_movement()
-
-		//Speaking
-		if(speak_chance && stance == STANCE_IDLE) // Allowed to chatter?
-			handle_idle_speaking()
-
-		//Resisting out buckles
-		if(stance != STANCE_IDLE && incapacitated(INCAPACITATION_BUCKLED_PARTIALLY))
-			handle_resist()
-
-		//Resisting out of closets
-		if(istype(loc,/obj/structure/closet))
-			var/obj/structure/closet/C = loc
-			if(C.welded)
-				resist()
-			else
-				C.open()
-*/
-
 // For setting the stance WITHOUT processing it
 /datum/ai_holder/proc/set_stance(var/new_stance)
 	ai_log("set_stance() : Setting stance from [stance] to [new_stance].", AI_LOG_INFO)
 	stance = new_stance
 	if(stance_coloring) // For debugging or really weird mobs.
 		stance_color()
+	update_stance_hud()
 
 // This is called every half a second.
 /datum/ai_holder/proc/handle_stance_tactical()
@@ -207,6 +198,7 @@
 
 		if(STANCE_REPOSITION) // This is the same as above but doesn't stop if an enemy is visible since its an 'in-combat' move order.
 			ai_log("handle_stance_tactical() : STANCE_REPOSITION, going to walk_to_destination().", AI_LOG_TRACE)
+			if(!target && !find_target())
 				walk_to_destination()
 
 		if(STANCE_FOLLOW)
@@ -233,12 +225,18 @@
 	ai_log("++++++++++ Slow Process Beginning ++++++++++", AI_LOG_TRACE)
 	ai_log("handle_stance_strategical() : Called.", AI_LOG_TRACE)
 
+	ai_log("handle_stance_strategical() : LTT=[lose_target_time]", AI_LOG_TRACE)
+	if(lose_target_time && (lose_target_time + lose_target_timeout < world.time)) // We were tracking an enemy but they are gone.
+		ai_log("handle_stance_strategical() : Giving up a chase.", AI_LOG_DEBUG)
+		remove_target()
+
+	if(stance in STANCES_COMBAT)
+		request_help() // Call our allies.
+
 	switch(stance)
 		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()
@@ -246,6 +244,7 @@
 			if(target)
 				ai_log("handle_stance_strategical() : STANCE_APPROACH, going to calculate_path([target]).", AI_LOG_TRACE)
 				calculate_path(target)
+				walk_to_target()
 		if(STANCE_MOVE)
 			if(hostile && find_target()) // This will switch its stance.
 				ai_log("handle_stance_strategical() : STANCE_MOVE, found target and was inturrupted.", AI_LOG_TRACE)
@@ -255,6 +254,7 @@
 			else if(leader)
 				ai_log("handle_stance_strategical() : STANCE_FOLLOW, going to calculate_path([leader]).", AI_LOG_TRACE)
 				calculate_path(leader)
+				walk_to_leader()
 
 	ai_log("handle_stance_strategical() : Exiting.", AI_LOG_TRACE)
 	ai_log("++++++++++ Slow Process Ending ++++++++++", AI_LOG_TRACE)
@@ -263,7 +263,7 @@
 // Helper proc to turn AI 'busy' mode on or off without having to check if there is an AI, to simplify writing code.
 /mob/living/proc/set_AI_busy(value)
 	if(ai_holder)
-		ai_holder.busy = value
+		ai_holder.set_busy(value)
 
 /mob/living/proc/is_AI_busy()
 	if(!ai_holder)

code/modules/ai/ai_holder_combat.dm

@@ -10,46 +10,22 @@
 
 	var/stand_ground = FALSE				// If true, the AI won't try to get closer to an enemy if out of range.
 	
-
 // This does the actual attacking.
 /datum/ai_holder/proc/engage_target()
 	ai_log("engage_target() : Entering.", AI_LOG_DEBUG)
 
 	// Can we still see them?
-//	if(!target || !can_attack(target) || (!(target in list_targets())) )
 	if(!target || !can_attack(target))
 		ai_log("engage_target() : Lost sight of target.", AI_LOG_TRACE)
-		lose_target() // We lost them.
-
-		if(!find_target()) // If we can't get a new one, then wait for a bit and then time out.
-			set_stance(STANCE_IDLE)
-			lost_target()
-			ai_log("engage_target() : No more targets. Exiting.", AI_LOG_DEBUG)
+		if(lose_target()) // We lost them (returns TRUE if we found something else to do)
+			ai_log("engage_target() : Pursuing other options (last seen, or a new target).", AI_LOG_TRACE)
 			return
-	//		if(lose_target_time + lose_target_timeout < world.time)
-	//			ai_log("engage_target() : Unseen enemy timed out.", AI_LOG_TRACE)
-	//			set_stance(STANCE_IDLE) // It must've been the wind.
-	//			lost_target()
-	//			ai_log("engage_target() : Exiting.", AI_LOG_DEBUG)
-	//			return
-
-	//		// But maybe we do one last ditch effort.
-	//		if(!target_last_seen_turf || intelligence_level < AI_SMART)
-	//			ai_log("engage_target() : No last known position or is too dumb to fight unseen enemies.", AI_LOG_TRACE)
-	//			set_stance(STANCE_IDLE)
-	//		else
-	//			ai_log("engage_target() : Fighting unseen enemy.", AI_LOG_TRACE)
-	//			engage_unseen_enemy()
-		else
-			ai_log("engage_target() : Got new target ([target]).", AI_LOG_TRACE)
 
 	var/distance = get_dist(holder, target)
 	ai_log("engage_target() : Distance to target ([target]) is [distance].", AI_LOG_TRACE)
 	holder.face_atom(target)
 	last_conflict_time = world.time
 
-	request_help() // Call our allies.
-
 	// Do a 'special' attack, if one is allowed.
 //	if(prob(special_attack_prob) && (distance >= special_attack_min_range) && (distance <= special_attack_max_range))
 	if(holder.ICheckSpecialAttack(target))
@@ -198,12 +174,8 @@
 	// Make sure we can still chase/attack them.
 	if(!target || !can_attack(target))
 		ai_log("walk_to_target() : Lost target.", AI_LOG_INFO)
-		if(!find_target())
-			lost_target()
-			ai_log("walk_to_target() : Exiting.", AI_LOG_DEBUG)
+		lose_target()
 		return
-		else
-			ai_log("walk_to_target() : Found new target ([target]).", AI_LOG_INFO)
 
 	// Find out where we're going.
 	var/get_to = closest_distance(target)
@@ -220,7 +192,6 @@
 		ai_log("walk_to_target() : Exiting.", AI_LOG_DEBUG)
 		return
 
-
 	// Otherwise keep walking.
 	if(!stand_ground)
 		walk_path(target, get_to)

code/modules/ai/ai_holder_combat_unseen.dm

@@ -2,21 +2,21 @@
 
 // Used when a target is out of sight or invisible.
 /datum/ai_holder/proc/engage_unseen_enemy()
+	ai_log("engage_unseen_enemy() : Entering.", AI_LOG_TRACE)
 	// Lets do some last things before giving up.
-	if(!ranged)
-		if(get_dist(holder, target_last_seen_turf > 1)) // We last saw them over there.
+	if(conserve_ammo || !holder.ICheckRangedAttack(target_last_seen_turf))
+		if(get_dist(holder, target_last_seen_turf) > 1) // We last saw them over there.
 			// Go to where you last saw the enemy.
-			give_destination(target_last_seen_turf, 1, TRUE) // This will set it to STANCE_REPOSITION.
-		else // We last saw them next to us, so do a blind attack on that tile.
+			give_destination(target_last_seen_turf, 1, TRUE) // Sets stance as well
+		else if(lose_target_time == world.time) // We last saw them next to us, so do a blind attack on that tile.
 			melee_on_tile(target_last_seen_turf)
-
-	else if(!conserve_ammo)
+		else
+			find_target()
+	else
 		shoot_near_turf(target_last_seen_turf)
 
 // This shoots semi-randomly near a specific turf.
 /datum/ai_holder/proc/shoot_near_turf(turf/targeted_turf)
-	if(!ranged)
-		return // Can't shoot.
 	if(get_dist(holder, targeted_turf) > max_range(targeted_turf))
 		return // Too far to shoot.
 
@@ -32,6 +32,7 @@
 // Attempts to attack something on a specific tile.
 // TODO: Put on mob/living?
 /datum/ai_holder/proc/melee_on_tile(turf/T)
+	ai_log("melee_on_tile() : Entering.", AI_LOG_TRACE)
 	var/mob/living/L = locate() in T
 	if(!L)
 		T.visible_message("\The [holder] attacks nothing around \the [T].")

code/modules/ai/ai_holder_communication.dm

@@ -15,7 +15,7 @@
 /datum/ai_holder/proc/should_threaten()
 	if(!threaten)
 		return FALSE // We don't negotiate.
-	if(target in attackers)
+	if(check_attacker(target))
 		return FALSE // They (or someone like them) attacked us before, escalate immediately.
 	if(!will_threaten(target))
 		return FALSE // Pointless to threaten an animal, a mindless drone, or an object.

code/modules/ai/ai_holder_cooperation.dm

@@ -74,7 +74,7 @@
 
 	ai_log("request_help() : Exiting.", AI_LOG_DEBUG)
 
-// What allies receive when someone else is calling for help.
+// What allies receive when someone else is calling for help.1
 /datum/ai_holder/proc/help_requested(mob/living/friend)
 	ai_log("help_requested() : Entering.", AI_LOG_DEBUG)
 	if(stance == STANCE_SLEEP)
@@ -92,7 +92,9 @@
 	if(!holder.IIsAlly(friend)) // Extra sanity.
 		ai_log("help_requested() : Help requested by [friend] but we hate them.", AI_LOG_INFO)
 		return
-	if(friend.ai_holder && friend.ai_holder.target && !can_attack(friend.ai_holder.target))
+	var/their_target = friend?.ai_holder?.target
+	if(their_target) // They have a target and aren't just shouting for no reason
+		if(!can_attack(their_target, vision_required = FALSE))
 			ai_log("help_requested() : Help requested by [friend] but we don't want to fight their target.", AI_LOG_INFO)
 			return
 		if(get_dist(holder, friend) <= follow_distance)
@@ -100,16 +102,16 @@
 			return
 		if(get_dist(holder, friend) <= vision_range) // Within our sight.
 			ai_log("help_requested() : Help requested by [friend], and within target sharing range.", AI_LOG_INFO)
-		if(friend.ai_holder) // AI calling for help.
-			if(friend.ai_holder.target && can_attack(friend.ai_holder.target)) // Friend wants us to attack their target.
 			last_conflict_time = world.time // So we attack immediately and not threaten.
-				give_target(friend.ai_holder.target) // This will set us to the appropiate stance.
+			give_target(their_target, urgent = TRUE) // This will set us to the appropiate stance.
 			ai_log("help_requested() : Given target [target] by [friend]. Exiting", AI_LOG_DEBUG)
 			return
 
 	// Otherwise they're outside our sight, lack a target, or aren't AI controlled, but within call range.
 	// So assuming we're AI controlled, we'll go to them and see whats wrong.
 	ai_log("help_requested() : Help requested by [friend], going to go to friend.", AI_LOG_INFO)
+	if(their_target)
+		add_attacker(their_target) // We won't wait and 'warn' them while they're stabbing our ally
 	set_follow(friend, 10 SECONDS)
 	ai_log("help_requested() : Exiting.", AI_LOG_DEBUG)
 

code/modules/ai/ai_holder_targeting.dm

@@ -26,6 +26,7 @@
 // Step 1, find out what we can see.
 /datum/ai_holder/proc/list_targets()
 	. = hearers(vision_range, holder) - holder // Remove ourselves to prevent suicidal decisions. ~ SRC is the ai_holder.
+	. -= dview_mob // Not the dview mob either, nerd.
 
 	var/static/hostile_machines = typecacheof(list(/obj/machinery/porta_turret, /obj/mecha))
 
@@ -35,6 +36,7 @@
 
 // Step 2, filter down possible targets to things we actually care about.
 /datum/ai_holder/proc/find_target(var/list/possible_targets, var/has_targets_list = FALSE)
+	ai_log("find_target() : Entered.", AI_LOG_TRACE)
 	if(!hostile) // So retaliating mobs only attack the thing that hit it.
 		return null
 	. = list()
@@ -70,13 +72,17 @@
 	return chosen_target
 
 // Step 4, give us our selected target.
-/datum/ai_holder/proc/give_target(new_target)
+/datum/ai_holder/proc/give_target(new_target, urgent = FALSE)
+	ai_log("give_target() : Given '[new_target]', urgent=[urgent].", AI_LOG_TRACE)
 	target = new_target
+	
 	if(target != null)
-		if(should_threaten())
+		lose_target_time = 0
+		track_target_position()
+		if(should_threaten() && !urgent)
 			set_stance(STANCE_ALERT)
 		else
-			set_stance(STANCE_APPROACH)
+			set_stance(STANCE_FIGHT)
 		last_target_time = world.time
 		return TRUE
 
@@ -109,8 +115,8 @@
 			sorted_targets += A
 	return sorted_targets
 
-/datum/ai_holder/proc/can_attack(atom/movable/the_target)
-	if(!can_see_target(the_target))
+/datum/ai_holder/proc/can_attack(atom/movable/the_target, vision_required = TRUE)
+	if(!can_see_target(the_target) && vision_required)
 		return FALSE
 
 	if(istype(the_target, /mob/zshadow))
@@ -157,20 +163,37 @@
 /datum/ai_holder/proc/found(atom/movable/the_target)
 	return FALSE
 
-//We can't see the target, go look or attack where they were last seen.
+// 'Soft' loss of target. They may still exist, we still have some info about them maybe.
 /datum/ai_holder/proc/lose_target()
+	ai_log("lose_target() : Entering.", AI_LOG_TRACE)
 	if(target)
+		ai_log("lose_target() : Had a target, setting to null and LTT.", AI_LOG_DEBUG)
 		target = null
 		lose_target_time = world.time
 
 	give_up_movement()
 
+	if(target_last_seen_turf && intelligence_level >= AI_SMART)
+		ai_log("lose_target() : Going into 'engage unseen enemy' mode.", AI_LOG_INFO)
+		engage_unseen_enemy()
+		return TRUE //We're still working on it
+	else
+		ai_log("lose_target() : Can't chase target, so giving up.", AI_LOG_INFO)
+		remove_target()
+		return find_target() //Returns if we found anything else to do
 
-//Target is no longer valid (?)
-/datum/ai_holder/proc/lost_target()
-	set_stance(STANCE_IDLE)
+	return FALSE //Nothing new to do
+
+// 'Hard' loss of target. Clean things up and return to idle.
+/datum/ai_holder/proc/remove_target()
+	ai_log("remove_target() : Entering.", AI_LOG_TRACE)
+	if(target)
+		target = null
+	
+	lose_target_time = 0
+	give_up_movement()
 	lose_target_position()
-	lose_target()
+	set_stance(STANCE_IDLE)
 	
 // Check if target is visible to us.
 /datum/ai_holder/proc/can_see_target(atom/movable/the_target, view_range = vision_range)
@@ -235,7 +258,7 @@
 			ai_log("react_to_attack() : Was attacked by [attacker], but we already have a target.", AI_LOG_TRACE)
 			on_attacked(attacker) // So we attack immediately and not threaten.
 			return FALSE
-		else if(attacker in attackers && world.time > last_target_time + 3 SECONDS)	// Otherwise, let 'er rip
+		else if(check_attacker(attacker) && world.time > last_target_time + 3 SECONDS)	// Otherwise, let 'er rip
 			ai_log("react_to_attack() : Was attacked by [attacker]. Can retaliate, waited 3 seconds.", AI_LOG_INFO)
 			on_attacked(attacker) // So we attack immediately and not threaten.
 			return give_target(attacker) // Also handles setting the appropiate stance.
@@ -246,15 +269,24 @@
 
 	ai_log("react_to_attack() : Was attacked by [attacker].", AI_LOG_INFO)
 	on_attacked(attacker) // So we attack immediately and not threaten.
-	return give_target(attacker) // Also handles setting the appropiate stance.
+	return give_target(attacker, urgent = TRUE) // Also handles setting the appropiate stance.
 
 // Sets a few vars so mobs that threaten will react faster to an attacker or someone who attacked them before.
 /datum/ai_holder/proc/on_attacked(atom/movable/AM)
-	if(isliving(AM))
-		var/mob/living/L = AM
-		if(!(L.name in attackers))
-			attackers |= L.name
 	last_conflict_time = world.time
+	add_attacker(AM)		
+
+// Checks to see if an atom attacked us lately
+/datum/ai_holder/proc/check_attacker(var/atom/movable/A)
+	return (A in attackers)
+
+// We were attacked by this thing recently
+/datum/ai_holder/proc/add_attacker(var/atom/movable/A)
+	attackers |= A.name
+
+// Forgive this attacker
+/datum/ai_holder/proc/remove_attacker(var/atom/movable/A)
+	attackers -= A.name
 			
 // Causes targeting to prefer targeting the taunter if possible.
 // This generally occurs if more than one option is within striking distance, including the taunter.

code/modules/client/client procs.dm

@@ -340,6 +340,14 @@
 	if(inactivity > duration)	return inactivity
 	return 0
 
+//Called when the client performs a drag-and-drop operation.
+/client/MouseDrop(start_object,end_object,start_location,end_location,start_control,end_control,params)
+	if(buildmode && start_control == "mapwindow.map" && start_control == end_control)
+		build_drag(src,buildmode,start_object,end_object,start_location,end_location,start_control,end_control,params)
+	else
+		. = ..()
+
+
 // Byond seemingly calls stat, each tick.
 // Calling things each tick can get expensive real quick.
 // So we slow this down a little.

code/modules/mob/living/living.dm

@@ -16,7 +16,7 @@
 	dsma.blend_mode = BLEND_ADD
 	dsoverlay.appearance = dsma
 
-	selected_image = image(icon = 'icons/mob/screen1.dmi', loc = src, icon_state = "centermarker")
+	selected_image = image(icon = buildmode_hud, loc = src, icon_state = "ai_sel")
 
 /mob/living/Destroy()
 	dsoverlay.loc = null //I'll take my coat with me

code/modules/mob/living/simple_mob/simple_mob.dm

@@ -14,6 +14,8 @@
 	mob_swap_flags = ~HEAVY
 	mob_push_flags = ~HEAVY
 
+	has_huds = TRUE // We do show AI status huds for buildmode players
+
 	var/tt_desc = null //Tooltip description
 
 	//Settings for played mobs
@@ -296,3 +298,8 @@
 
 /mob/living/simple_mob/get_nametag_desc(mob/user)
 	return "<i>[tt_desc]</i>"
+
+/mob/living/simple_mob/make_hud_overlays()
+	hud_list[STATUS_HUD]  = gen_hud_image(buildmode_hud, src, "ai_0", plane = PLANE_BUILDMODE)
+	hud_list[LIFE_HUD]	  = gen_hud_image(buildmode_hud, src, "ais_1", plane = PLANE_BUILDMODE)
+	add_overlay(hud_list)

code/modules/mob/mob_planes.dm

@@ -35,6 +35,8 @@
 
 	plane_masters[VIS_MESONS]		= new /obj/screen/plane_master{plane = PLANE_MESONS} 			//Meson-specific things like open ceilings.
 
+	plane_masters[VIS_BUILDMODE]	= new /obj/screen/plane_master{plane = PLANE_BUILDMODE}			//Things that only show up while in build mode
+
 	// Real tangible stuff planes
 	plane_masters[VIS_TURFS]	= new /obj/screen/plane_master/main{plane = TURF_PLANE}
 	plane_masters[VIS_OBJS]		= new /obj/screen/plane_master/main{plane = OBJ_PLANE}

code/modules/xenobio/items/slimepotions.dm

@@ -109,7 +109,7 @@
 		to_chat(user, "<span class='notice'>You feed \the [SM] the agent, calming it.</span>")
 
 	playsound(src, 'sound/effects/bubbles.ogg', 50, 1)
-	AI.lost_target() // So hostile things stop attacking people even if not hostile anymore.
+	AI.remove_target() // So hostile things stop attacking people even if not hostile anymore.
 	var/newname = copytext(sanitize(input(user, "Would you like to give \the [M] a name?", "Name your new pet", M.name) as null|text),1,MAX_NAME_LEN)
 
 	if(newname)
@@ -202,7 +202,7 @@
 	to_chat(user, "<span class='notice'>You feed \the [M] the agent. It will now try to murder things that want to murder you instead.</span>")
 	to_chat(M, "<span class='notice'>\The [user] feeds you \the [src], and feel that the others will regard you as an outsider now.</span>")
 	M.faction = user.faction
-	AI.lost_target() // So hostile things stop attacking people even if not hostile anymore.
+	AI.remove_target() // So hostile things stop attacking people even if not hostile anymore.
 	playsound(src, 'sound/effects/bubbles.ogg', 50, 1)
 	qdel(src)
 
@@ -237,7 +237,7 @@
 	to_chat(user, "<span class='notice'>You feed \the [M] the agent. It will now be your best friend.</span>")
 	to_chat(M, "<span class='notice'>\The [user] feeds you \the [src], and feel that \the [user] wants to be best friends with you.</span>")
 	M.friends.Add(user)
-	AI.lost_target() // So hostile things stop attacking people even if not hostile anymore.
+	AI.remove_target() // So hostile things stop attacking people even if not hostile anymore.
 	playsound(src, 'sound/effects/bubbles.ogg', 50, 1)
 	qdel(src)
 

vorestation.dme

@@ -1551,6 +1551,7 @@
 #include "code\modules\ai\_defines.dm"
 #include "code\modules\ai\ai_holder.dm"
 #include "code\modules\ai\ai_holder_combat.dm"
+#include "code\modules\ai\ai_holder_combat_unseen.dm"
 #include "code\modules\ai\ai_holder_communication.dm"
 #include "code\modules\ai\ai_holder_cooperation.dm"
 #include "code\modules\ai\ai_holder_debug.dm"