Begins work on new AI.

code/controllers/subsystems/ai.dm

@@ -0,0 +1,30 @@
+SUBSYSTEM_DEF(ai)
+	name = "AI"
+	priority = 9
+	wait = 5 // This gets run twice a second, however this is technically two loops in one, with the second loop being run every four iterations.
+	flags = SS_NO_INIT|SS_TICKER
+
+	var/list/processing = list()
+	var/list/currentrun = list()
+
+/datum/controller/subsystem/ai/stat_entry()
+	..("P:[processing.len]")
+
+/datum/controller/subsystem/ai/fire(resumed = 0)
+	if (!resumed)
+		src.currentrun = processing.Copy()
+
+	//cache for sanic speed (lists are references anyways)
+	var/list/currentrun = src.currentrun
+
+	while(currentrun.len)
+	//	var/mob/living/L = currentrun[currentrun.len]
+		var/datum/ai_holder/A = currentrun[currentrun.len]
+		--currentrun.len
+		if(times_fired % 4 == 0 && A.holder.stat != DEAD)
+			A.handle_strategicals()
+		if(A.holder.stat != DEAD) // The /TG/ version checks stat twice, presumably in-case processing somehow got the mob killed in that instant.
+			A.handle_tactics()
+
+		if(MC_TICK_CHECK)
+			return