From 800369ef9f8577df26934ea5fac229276b8204bc Mon Sep 17 00:00:00 2001
From: SkyratBot <59378654+SkyratBot@users.noreply.github.com>
Date: Thu, 4 Aug 2022 16:49:11 +0200
Subject: [PATCH] [MIRROR] AI Lawset can now be specified instead of 'custom'
 [MDB IGNORE] (#15375)

* AI Lawset can now be specified instead of 'custom' (#68587)

* AI Lawset can now be specified instead of 'custom'

Co-authored-by: Charlotte <98856144+orthography@users.noreply.github.com>
---
 .../configuration/entries/game_options.dm      |  6 +++++-
 code/datums/ai_laws/ai_laws.dm                 | 18 ++++++++++++++++++
 config/game_options.txt                        | 11 +++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/code/controllers/configuration/entries/game_options.dm b/code/controllers/configuration/entries/game_options.dm
index abed471d462..7390679746e 100644
--- a/code/controllers/configuration/entries/game_options.dm
+++ b/code/controllers/configuration/entries/game_options.dm
@@ -282,12 +282,16 @@
 /datum/config_entry/number/default_laws //Controls what laws the AI spawns with.
 	default = 0
 	min_val = 0
-	max_val = 3
+	max_val = 4
 
 /datum/config_entry/number/silicon_max_law_amount
 	default = 12
 	min_val = 0
 
+/datum/config_entry/keyed_list/specified_laws
+	key_mode = KEY_MODE_TEXT
+	value_mode = VALUE_MODE_FLAG
+
 /datum/config_entry/keyed_list/random_laws
 	key_mode = KEY_MODE_TEXT
 	value_mode = VALUE_MODE_FLAG
diff --git a/code/datums/ai_laws/ai_laws.dm b/code/datums/ai_laws/ai_laws.dm
index a066f28d63e..8dd40dddaf6 100644
--- a/code/datums/ai_laws/ai_laws.dm
+++ b/code/datums/ai_laws/ai_laws.dm
@@ -24,11 +24,14 @@
 #define CONFIG_RANDOM 2
 /// Set to a configged weighted list of lawtypes in the config. This lets server owners pick from a pool of sane laws, it is also the same process for ian law rerolls.
 #define CONFIG_WEIGHTED 3
+/// Set to a specific lawset in the game options.
+#define CONFIG_SPECIFIED 4
 
 ///first called when something wants round default laws for the first time in a round, considers config
 ///returns a law datum that GLOB._round_default_lawset will be set to.
 /proc/setup_round_default_laws()
 	var/list/law_ids = CONFIG_GET(keyed_list/random_laws)
+	var/list/specified_law_ids = CONFIG_GET(keyed_list/specified_laws)
 
 	if(HAS_TRAIT(SSstation, STATION_TRAIT_UNIQUE_AI))
 		return pick_weighted_lawset()
@@ -36,6 +39,21 @@
 	switch(CONFIG_GET(number/default_laws))
 		if(CONFIG_ASIMOV)
 			return /datum/ai_laws/default/asimov
+		if(CONFIG_SPECIFIED)
+			var/list/specified_laws = list()
+			for (var/law_id in specified_law_ids)
+				var/datum/ai_laws/laws = lawid_to_type(law_id)
+				if (isnull(laws))
+					log_config("ERROR: Specified law [law_id] does not exist!")
+					continue
+				specified_laws += laws
+			var/datum/ai_laws/lawtype
+			if(specified_laws.len)
+				lawtype = pick(specified_laws)
+			else
+				lawtype = pick(subtypesof(/datum/ai_laws/default))
+
+			return lawtype
 		if(CONFIG_CUSTOM)
 			return /datum/ai_laws/custom
 		if(CONFIG_RANDOM)
diff --git a/config/game_options.txt b/config/game_options.txt
index c8b405f64fb..8e13e79b1f1 100644
--- a/config/game_options.txt
+++ b/config/game_options.txt
@@ -217,8 +217,19 @@ NEAR_DEATH_EXPERIENCE
 ## Set to 1 for "custom", silicons will start with the custom laws defined in silicon_laws.txt. (If silicon_laws.txt is empty, the AI will spawn with asimov and Custom boards will auto-delete.)
 ## Set to 2 for "random", silicons will start with a random lawset picked from random laws specified below.
 ## Set to 3 for "weighted random", using values in "silicon_weights.txt", a law will be selected, with weights specifed in that file.
+## Set to 4 for "specified", silicons will start with an existing lawset. (If no specified lawset is identified, the AI will spawn with asimov.)
+
+
 DEFAULT_LAWS 0
 
+## SPECIFIED LAWS ##
+## ------------------------------------------------------------------------------------------
+## These control what lawset the AI will use, edit the specified law to an *existing* lawset to make it the default.
+## See datums\ai_laws.dm for the full law lists
+## IE, SPECIFIED_LAWS asimovpp, SPECIFIED_LAWS robocop, SPECIFIED_LAWS antimov
+
+SPECIFIED_LAWS asimovpp
+
 ## RANDOM LAWS ##
 ## ------------------------------------------------------------------------------------------
 ## These control what laws are available for selection if random silicon laws are active.