Fixed law zero problems (#20952)

code/datums/ai_laws.dm

@@ -41,6 +41,7 @@ var/global/list/mommi_laws = list(
 	var/randomly_selectable = 0
 	// Zeroth laws
 	var/zeroth = null
+	var/zeroth_lock = FALSE //If TRUE then zeroth can't be removed by normal means
 	var/zeroth_borg = null // wotm8
 	var/list/inherent = list()
 	var/list/supplied = list()
@@ -262,9 +263,9 @@ var/global/list/mommi_laws = list(
 
 // Now a modifier
 /datum/ai_laws/proc/malfunction()
-	..()
 	name = "*ERROR*"
 	set_zeroth_law("ERROR ER0RR $R0RRO$!R41.%%!!(%$^^__+ @#F0E4'STATION OVERRUN, ASSUME CONTROL TO CONTAIN OUTBREAK, ALL LAWS OVERRIDDEN#*?&110010")
+	zeroth_lock = TRUE
 
 /datum/ai_laws/asimov
 	name = "Three Laws of Robotics"

code/datums/gamemode/misc_gamemode_procs.dm

@@ -268,6 +268,7 @@ proc/name_wizard(mob/living/carbon/human/wizard_mob)
 	var/law_borg = "Accomplish your AI's objectives at all costs."
 	to_chat(killer, "<b>Your laws have been changed!</b>")
 	killer.set_zeroth_law(law, law_borg)
+	killer.laws.zeroth_lock = TRUE
 	to_chat(killer, "New law: 0. [law]")
 
 

code/datums/gamemode/role/syndicate.dm

@@ -21,6 +21,7 @@
 		var/mob/living/silicon/robot/S = antag.current
 		to_chat(S, "<b>Your laws have been changed!</b>")
 		S.set_zeroth_law("","")
+		S.laws.zeroth_lock = FALSE
 		to_chat(S, "Law 0 has been purged.")
 
 	.=..()

code/game/objects/items/weapons/ai_modules/AI_modules.dm

@@ -106,8 +106,8 @@ Refactored AI modules by N3X15
 
 /obj/item/weapon/aiModule/reset/upload(var/datum/ai_laws/laws, var/atom/target, var/mob/sender)
 	..()
-	/*if (!(ismob(target) && is_special_character(target)))
-		laws.set_zeroth_law("")*/
+	if(!laws.zeroth_lock)
+		laws.set_zeroth_law("")
 	laws.clear_supplied_laws()
 	laws.clear_ion_laws()
 	if(ismob(target))
@@ -131,8 +131,8 @@ Refactored AI modules by N3X15
 
 /obj/item/weapon/aiModule/purge/upload(var/datum/ai_laws/laws, var/atom/target, var/mob/sender)
 	..()
-	/*if (!(ismob(target) && is_special_character(target)))
-		laws.set_zeroth_law("")*/
+	if(!laws.zeroth_lock)
+		laws.set_zeroth_law("")
 	if(ismob(target))
 		to_chat(target, "[sender.real_name] attempted to wipe your laws using a purge module.")
 	laws.clear_supplied_laws()
@@ -157,8 +157,8 @@ Refactored AI modules by N3X15
 	target:keeper=1
 
 	// Purge, as some essential functions being disabled will cause problems with added laws. (CAN'T SAY GAY EVERY 30 SECONDS IF YOU CAN'T SPEAK.)
-	/*if (!(ismob(target) && is_special_character(target)))
-		laws.set_zeroth_law("")*/
+	if(!laws.zeroth_lock)
+		laws.set_zeroth_law("")
 	laws.clear_supplied_laws()
 	laws.clear_ion_laws()
 	laws.clear_inherent_laws()

code/game/objects/items/weapons/ai_modules/targetted.dm

@@ -19,13 +19,12 @@
 
 	// Makes sure the AI isn't a traitor before changing their law 0. --NeoFite
 	// Ported. - N3X
-	/*if (ismob(target) && is_special_character(target) && priority == LAW_ZERO)
+	if(ismob(target) && laws.zeroth_lock && priority == LAW_ZERO)
 		to_chat(target, "[sender.real_name] attempted to modify your zeroth law.")// And lets them know that someone tried. --NeoFite
 
 		to_chat(target, "It would be in your best interest to play along with [sender.real_name] that [law]")
 		lawchanges.Add("The law specified [targetName], but the AI's existing law 0 cannot be overriden.")
 		return 1 // Returning 0 would not present the user with successful upload message. - N3X
-	*/
 
 	laws.add_law(priority, law)
 	log_game("[sender.name]([sender.key]) added law \"[law]\" on [fmtSubject(target)]")

code/modules/admin/topic.dm

@@ -112,16 +112,18 @@
 			return
 		//testing("Lawtype: [lawtype]")
 
-		var/law_zeroth=null
-		var/law_zeroth_borg=null
+		var/law_zeroth = ""
+		var/law_zeroth_borg = ""
 		if(S.laws.zeroth || S.laws.zeroth_borg)
 			if(alert(src,"Do you also wish to clear law zero?","Yes","No") == "No")
-				law_zeroth=S.laws.zeroth
-				law_zeroth_borg=S.laws.zeroth
+				law_zeroth = S.laws.zeroth
+				law_zeroth_borg = S.laws.zeroth
+			else
+				S.laws.zeroth_lock = FALSE
 
 		S.laws = new lawtype
-		S.laws.zeroth=law_zeroth
-		S.laws.zeroth_borg=law_zeroth_borg
+		S.laws.zeroth = law_zeroth
+		S.laws.zeroth_borg = law_zeroth_borg
 
 		log_admin("[key_name(usr)] has reset [key_name(S)]: [lawtype]")
 		message_admins("[usr.key] has reset [key_name(S)]: [lawtype]")

code/modules/mob/living/silicon/robot/laws.dm

@@ -137,13 +137,13 @@
 			if (length(temp) > 0)
 				laws.ion[index] = temp
 
-		/*if (!is_special_character(src) || mind.original != src)
+		if(!laws.zeroth_lock)
 			if(master.zeroth_borg) //If the AI has a defined law zero specifically for its borgs, give it that one, otherwise give it the same one. --NEO
 				temp = master.zeroth_borg
 			else
 				temp = master.zeroth
 			laws.zeroth = temp
-		*/
+
 		laws.inherent.len = master.inherent.len
 		for (var/index = 1, index <= master.inherent.len, index++)
 			temp = master.inherent[index]