protected override void OnShow(object userData)
{
base.OnShow(userData);
m_TerrainBrickData = userData as TerrainBrickData;
if (m_TerrainBrickData == null)
{
throw new GameFrameworkException();
}
}
protected override void OnHide(object userData)
{
m_TerrainBrickData = null;
base.OnHide(userData);
}