randomizes whiteship pirate placement (#28900)

* randomizes whiteship pirate placement

* one guaranteed melee pirate

code/game/objects/effects/spawners/random/misc_spawners.dm

@@ -115,3 +115,10 @@
 		/obj/item/flashlight/flare/glowstick/yellow,
 		/obj/item/flashlight/flare/glowstick/pink,
 	)
+
+/obj/effect/spawner/random/space_pirate
+	name = "random space pirate spawner"
+	loot = list(
+		/mob/living/simple_animal/hostile/pirate,
+		/mob/living/simple_animal/hostile/pirate/ranged,
+	)

code/game/objects/effects/spawners/random/pool/misc_pools.dm

@@ -0,0 +1,15 @@
+/datum/spawn_pool/whiteship_mobs
+	id = "whiteship_mobs_spawn_pool"
+	available_points = 0
+
+/obj/effect/spawner/random/pool/whiteship_mob
+	icon = 'icons/effects/random_spawners.dmi'
+	icon_state = "giftbox"
+	spawn_pool_id = "whiteship_mobs_spawn_pool"
+	unique_picks = TRUE
+	guaranteed = TRUE
+	point_value = 0
+	loot = list(
+		/mob/living/simple_animal/hostile/pirate,
+		/obj/effect/spawner/random/space_pirate,
+	)

code/game/objects/effects/spawners/random/pool/spawn_pool.dm

@@ -26,6 +26,7 @@
 	available_points -= points
 
 /datum/spawn_pool/proc/process_guaranteed_spawners()
+	shuffle_inplace(guaranteed_spawners)
 	while(length(guaranteed_spawners))
 		var/obj/effect/spawner/random/pool/spawner = guaranteed_spawners[length(guaranteed_spawners)]
 		guaranteed_spawners.len--