protected void OnEnable() { this.m_SPInstance = this.target as SPInstance; this.m_AtlasBuilder = new SPAtlasBuilder(this.m_SPInstance); SPTools.PrepareDefaultEditorPrefs(); this.boxStyle = new GUIStyle(EditorGUIUtility.GetBuiltinSkin(EditorSkin.Inspector).box); this.paddingStyle = new GUIStyle(); this.paddingStyle.padding = new RectOffset(3, 3, 3, 3); }