UnityEditor.TerrainInspector.IsModificationToolActive C# (CSharp) Method

        private bool IsModificationToolActive()
        {
            if (this.m_Terrain == null)
            {
                return false;
            }
            TerrainTool selectedTool = this.selectedTool;
            if (selectedTool == TerrainTool.TerrainSettings)
            {
                return false;
            }
            if ((selectedTool < TerrainTool.PaintHeight) || (selectedTool >= TerrainTool.TerrainToolCount))
            {
                return false;
            }
            return true;
        }