[MIRROR] Adds some customization to ruin loader (#5289)

* Adds some customization to ruin loader

* Update maps.dm

code/datums/ruins.dm

@@ -6,8 +6,13 @@
 	How is there a wooden container filled with 18th century coinage in the middle of a lavawracked hellscape? \
 	It is clearly a mystery."
 
-	var/cost = null //negative numbers will always be placed, with lower (negative) numbers being placed first; positive and 0 numbers will be placed randomly
+	var/unpickable = FALSE 	 //If TRUE these won't be placed automatically (can still be forced or loaded with another ruin)
+	var/always_place = FALSE //Will skip the whole weighting process and just plop this down, ideally you want the ruins of this kind to have no cost.
+	var/placement_weight = 1 //How often should this ruin appear
+	var/cost = 0 //Cost in ruin budget placement system
 	var/allow_duplicates = TRUE
+	var/list/always_spawn_with = null //These ruin types will be spawned along with it (where dependent on the flag) eg list(/datum/map_template/ruin/space/teleporter_space = SPACERUIN_Z)
+	var/list/never_spawn_with = null //If this ruin is spawned these will not eg list(/datum/map_template/ruin/base_alternate)
 
 	var/prefix = null
 	var/suffix = null

code/datums/ruins/lavaland.dm

@@ -120,7 +120,7 @@
 	id = "hierophant"
 	description = "A strange, square chunk of metal of massive size. Inside awaits only death and many, many squares."
 	suffix = "lavaland_surface_hierophant.dmm"
-	cost = -1
+	always_place = TRUE
 	allow_duplicates = FALSE
 
 /datum/map_template/ruin/lavaland/blood_drunk_miner