Cult backend rework + new features. (#8996)

Guess who the baton passes to.

Convert all runes to datums

Rework arcane tome mechanics, holy shit it's terrible

Convert rune effects to actually use rune datums

Add additional effects that are now possible because of non-shitcode code

code/controllers/subsystems/cult.dm

@@ -0,0 +1,44 @@
+#define DEFAULT_MAX_RUNES   25
+/var/datum/controller/subsystem/cult/SScult
+
+/datum/controller/subsystem/cult
+	name = "Cult"
+	flags = SS_NO_FIRE
+
+	var/list/runes_by_name  = list()
+	var/list/rune_list      = list()
+
+	var/list/teleport_runes = list()
+	var/list/static/teleport_network = list("Vernuth", "Koglan", "Irgros", "Akon")
+
+	var/rune_limit          = DEFAULT_MAX_RUNES //in the SS so admins can easily modify it if needed
+	var/rune_boost          = 0
+	var/tome_data           = ""
+
+/datum/controller/subsystem/cult/New()
+	NEW_SS_GLOBAL(SScult)
+
+/datum/controller/subsystem/cult/Initialize()
+	. = ..()
+	for(var/rune in subtypesof(/datum/rune))
+		var/datum/rune/R = new rune
+		runes_by_name[R.name] = rune
+		tome_data += "<b>[R.name]</b>: <i>[R.desc]</i>"
+		tome_data += "This rune [R.can_be_talisman() ? "<b><i>can</i></b>" : "<b><i>cannot</i></b>"] be turned into a talisman.<br>"
+
+/datum/controller/subsystem/cult/proc/add_rune(var/datum/rune/R)
+	if(check_rune_limit())
+		return FALSE
+	else
+		rune_list += R
+		return TRUE
+
+/datum/controller/subsystem/cult/proc/check_rune_limit()
+	return ((length(rune_list) + rune_boost + length(cult.current_antagonists)) >= rune_limit)
+
+/datum/controller/subsystem/cult/proc/remove_rune(var/datum/rune/R)
+	if(R in rune_list)
+		rune_list -= R
+		return TRUE
+	else
+		return FALSE

code/controllers/subsystems/garbage-debug.dm

@@ -316,7 +316,6 @@
 	SearchVar(exclude_jobs)
 	SearchVar(visual_nets)
 	SearchVar(cameranet)
-	SearchVar(rune_list)
 	SearchVar(escape_list)
 	SearchVar(endgame_exits)
 	SearchVar(endgame_safespawns)