bool IsValidTile(Map map, IntVec3 pos)
 {
     return(TerrainUtility.IsNaturalExcludingRock(pos.GetTerrain(map)));
 }
 protected virtual bool IsValidTerrain(Map map, TerrainDef terrain)
 {
     return(TerrainUtility.IsNaturalExcludingRock(terrain));
 }