Added a preference that auto-votes at extremely low weight.

code/modules/client/preferences.dm

@@ -58,6 +58,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	var/inquisitive_ghost = 1
 	var/allow_midround_antag = 1
 	var/preferred_map = null
+	var/preferred_chaos = null
 	var/pda_style = MONO
 	var/pda_color = "#808000"
 	var/pda_skin = PDA_SKIN_ALT
@@ -834,6 +835,12 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 			dat += "<b>Screen Shake:</b> <a href='?_src_=prefs;preference=screenshake'>[(screenshake==100) ? "Full" : ((screenshake==0) ? "None" : "[screenshake]")]</a><br>"
 			if (user && user.client && !user.client.prefs.screenshake==0)
 				dat += "<b>Damage Screen Shake:</b> <a href='?_src_=prefs;preference=damagescreenshake'>[(damagescreenshake==1) ? "On" : ((damagescreenshake==0) ? "Off" : "Only when down")]</a><br>"
+			var/p_chaos
+			if (!preferred_chaos)
+				p_chaos = "No preference"
+			else
+				p_chaos = preferred_chaos
+			dat += "<b>Preferred Chaos Amount:</b> <a href='?_src_=prefs;preference=preferred_chaos;task=input'>[p_chaos]</a><br>"
 			dat += "<br>"
 			dat += "</td>"
 			dat += "</tr></table>"
@@ -1996,6 +2003,9 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					if (pickedmap)
 						preferred_map = maplist[pickedmap]
 
+				if ("preferred_chaos")
+					var/pickedchaos = input(user, "Choose your preferred level of chaos. This will help with dynamic threat level ratings.", "Character Preference") as null|anything in list(CHAOS_NONE,CHAOS_LOW,CHAOS_MED,CHAOS_HIGH,CHAOS_MAX)
+					preferred_chaos = pickedchaos
 				if ("clientfps")
 					var/desiredfps = input(user, "Choose your desired fps. (0 = synced with server tick rate (currently:[world.fps]))", "Character Preference", clientfps)  as null|num
 					if (!isnull(desiredfps))