Add Beach biodome ruin and other fixes

code/controllers/configuration.dm

@@ -218,6 +218,9 @@
 	// Automatic localhost admin disable
 	var/disable_localhost_admin = 0
 
+	// Lavaland
+	var/lavaland_budget = 60
+
 /datum/configuration/New()
 	for(var/T in subtypesof(/datum/game_mode))
 		var/datum/game_mode/M = T
@@ -725,6 +728,8 @@
 					config.randomize_shift_time = TRUE
 				if("enable_night_shifts")
 					config.enable_night_shifts = TRUE
+				if("lavaland_budget")
+					config.lavaland_budget = text2num(value)
 				else
 					log_config("Unknown setting in configuration: '[name]'")
 

code/controllers/master_controller.dm

@@ -39,6 +39,7 @@ var/global/pipe_processing_killed = 0
 	preloadTemplates()
 	if(!config.disable_away_missions)
 		createRandomZlevel()
+	
 	// Create 6 extra space levels to put space ruins on
 	if(!config.disable_space_ruins)
 		var/timer = start_watch()
@@ -53,12 +54,16 @@ var/global/pipe_processing_killed = 0
 			var/zlev = space_manager.add_new_zlevel("[EMPTY_AREA] #[i]", linkage = CROSSLINKED)
 			seedRuins(zlev, rand(0, 3), /area/space, space_ruins_templates)
 
+	var/mining_type = MINETYPE
+	if (mining_type == "lavaland")
+		seedRuins(list(5), config.lavaland_budget, /area/lavaland/surface/outdoors, lava_ruins_templates)
+		spawn_rivers()
+	else
+		make_mining_asteroid_secret()
+
 	space_manager.do_transition_setup()
 
 	setupfactions()
 	setup_economy()
 
-	for(var/i=0, i<max_secret_rooms, i++)
-		make_mining_asteroid_secret()
-
 	populate_spawn_points()