protected override void Awake()
{
base.Awake();
// Search through custom elevation data directory to find individual elevation tiles.
// Record which TileIds are present for use in HasElevationTile.
var elevationDataFiles = Directory.GetFiles(ElevationDataDirectory, "*.et");
foreach (var elevationDataFile in elevationDataFiles)
{
var tileId = TileId.FromKey(Path.GetFileNameWithoutExtension(elevationDataFile));
_tiles.Add(tileId);
}
}