public void OnEnable()
{
m_CreateTerrainMode = new TerrainToolboxCreateTerrain();
m_TerrainSettingsMode = new TerrainToolboxSettings();
m_TerrainUtilitiesMode = new TerrainToolboxUtilities();
m_TerrainVisualizationMode = new TerrainToolboxVisualization();
m_CreateTerrainMode.LoadSettings();
m_TerrainSettingsMode.LoadSettings();
m_TerrainUtilitiesMode.LoadSettings();
m_TerrainUtilitiesMode.OnLoad();
m_TerrainVisualizationMode.LoadSettings();
LoadSettings();
}