//when selected
public void OnSceneGUI ()
{
//foreach (TerrainTile tile in mapMagic.tiles.All())
// EditorUtility.SetSelectedRenderState(tile.ActiveTerrain.GetComponent<Terrain>(), EditorSelectedRenderState.Hidden);
current = this;
if (mapMagic == null) mapMagic = (MapMagicObject)target;
if (!mapMagic.enabled) return;
FrameDraw.DrawSceneGUI(mapMagic);
if (mapMagic.guiTiles)
PinDraw.DrawSceneGUI(mapMagic, ref selectionMode);
if (mapMagic.guiLocks)
LockDraw.DrawSceneGUI(mapMagic);
current = null;
}