ManicDigger.Hud.HudInventory.Mouse_ButtonDown C# (CSharp) Method

        public void Mouse_ButtonDown(object sender, MouseButtonEventArgs e)
        {
            Point scaledMouse = mouse_current.MouseCurrent;

            //main inventory
            Point? cell = SelectedCell(scaledMouse);
            //grab from inventory
            if (cell != null)
            {
                controller.InventoryClick(new InventoryPosition()
                {
                    type = InventoryPositionType.MainArea,
                    AreaX = cell.Value.X,
                    AreaY = cell.Value.Y,
                });
            }
            //drop items on ground
            if (scaledMouse.X < CellsStart.X && scaledMouse.Y < MaterialSelectorStart.Y)
            {
                Vector3i pos = viewport3d.SelectedBlock();
                controller.InventoryClick(new InventoryPosition()
                {
                    type = InventoryPositionType.Ground,
                    GroundPositionX = pos.x,
                    GroundPositionY = pos.y,
                    GroundPositionZ = pos.z,
                });
            }
            //material selector
            if (SelectedMaterialSelectorSlot(scaledMouse) != null)
            {
                int oldActiveMaterial = ActiveMaterial.ActiveMaterial;
                ActiveMaterial.ActiveMaterial = SelectedMaterialSelectorSlot(scaledMouse).Value;
                if (oldActiveMaterial == ActiveMaterial.ActiveMaterial)
                {
                    controller.InventoryClick(new InventoryPosition()
                    {
                        type = InventoryPositionType.MaterialSelector,
                        MaterialId = ActiveMaterial.ActiveMaterial,
                    });
                }
            }
            if (SelectedWearPlace(scaledMouse) != null)
            {
                controller.InventoryClick(new InventoryPosition()
                {
                    type = InventoryPositionType.WearPlace,
                    WearPlace = (int)(SelectedWearPlace(scaledMouse).Value),
                    ActiveMaterial = ActiveMaterial.ActiveMaterial,
                });
            }
        }