add spawner probability

Content.Server/_CP14/Procedural/RoomSpawner/CP14RoomSpawnerComponent.cs

@@ -13,6 +13,9 @@ public sealed partial class CP14RoomSpawnerComponent : Component
     [DataField(required: true)]
     public List<ProtoId<TagPrototype>> RoomsTag;
 
+    [DataField]
+    public float Prob = 1f;
+
     [DataField]
     public bool Rotation = true;
 

Content.Server/_CP14/Procedural/RoomSpawner/CP14RoomSpawnerSystem.cs

@@ -29,6 +29,9 @@ public sealed class CP14RoomSpawnerSystem : EntitySystem
 
     private void SpawnRoom(Entity<CP14RoomSpawnerComponent> spawner)
     {
+        if (!_random.Prob(spawner.Comp.Prob))
+            return;
+
         var rooms = new HashSet<DungeonRoomPrototype>();
 
         foreach (var roomProto in _proto.EnumeratePrototypes<DungeonRoomPrototype>())