Demiplan polishing 2 (#528)

* wizden PR copy

* starter rooms

* grass geode location, new modifiers

Content.Server/Procedural/DungeonSystem.Rooms.cs

@@ -19,7 +19,7 @@ public sealed partial class DungeonSystem
     /// <summary>
     /// Gets a random dungeon room matching the specified area and whitelist.
     /// </summary>
-    public DungeonRoomPrototype? GetRoomPrototype(Vector2i size, Random random, EntityWhitelist? whitelist = null)
+    public DungeonRoomPrototype? GetRoomPrototype(Random random, EntityWhitelist? whitelist = null, Vector2i? size = null)
     {
         // Can never be true.
         if (whitelist is { Tags: null })
@@ -31,7 +31,7 @@ public sealed partial class DungeonSystem
 
         foreach (var proto in _prototype.EnumeratePrototypes<DungeonRoomPrototype>())
         {
-            if (proto.Size != size)
+            if (size is not null && proto.Size != size)
                 continue;
 
             if (whitelist == null)
@@ -156,6 +156,12 @@ public sealed partial class DungeonSystem
                 if (!clearExisting && reservedTiles?.Contains(rounded) == true)
                     continue;
 
+                if (room.IgnoreTile is not null)
+                {
+                    if (_maps.TryGetTileDef(templateGrid, indices, out var tileDef) && room.IgnoreTile == tileDef.ID)
+                        continue;
+                }
+
                 _tiles.Add((rounded, tileRef.Tile));
             }
         }