/// <summary>
/// Handles a request to move an item within the inventory.
/// This covers moving items within the backpack, from equipment
/// slot to backpack and from backpack to equipment slot
/// </summary>
public void HandleInventoryRequestMoveMessage(InventoryRequestMoveMessage request)
{
// TODO Normal inventory movement does not require setting of inv loc msg! Just Tick. /fasbat
Item item = GetItem(request.ItemID);
if (item == null)
{
return;
}
// Request to equip item from backpack
if (request.Location.EquipmentSlot != 0 && request.Location.EquipmentSlot != (int)EquipmentSlotId.Stash)
{
var sourceGrid = (item.InvLoc.EquipmentSlot == 0 ? _inventoryGrid :
item.InvLoc.EquipmentSlot == (int)EquipmentSlotId.Stash ? _stashGrid : null);
System.Diagnostics.Debug.Assert((sourceGrid != null && sourceGrid.Contains(request.ItemID)) || _equipment.IsItemEquipped(request.ItemID), "Request to equip unknown item");
int targetEquipSlot = request.Location.EquipmentSlot;
if (IsValidEquipmentRequest(item, targetEquipSlot))
{
Item oldEquipItem = _equipment.GetEquipment(targetEquipSlot);
// check if equipment slot is empty
if (oldEquipItem == null)
{
// determine if item is in backpack or switching item from position with target originally empty
if (sourceGrid != null)
{
sourceGrid.RemoveItem(item);
}
else
{
_equipment.UnequipItem(item);
}
_equipment.EquipItem(item, targetEquipSlot);
AcceptMoveRequest(item);
}
else
{
// check if item is already equipped at another equipmentslot
if (_equipment.IsItemEquipped(item))
{
// switch both items
if (!IsValidEquipmentRequest(oldEquipItem, item.EquipmentSlot))
{
return;
}
int oldEquipmentSlot = _equipment.UnequipItem(item);
_equipment.EquipItem(item, targetEquipSlot);
_equipment.EquipItem(oldEquipItem, oldEquipmentSlot);
}
else
{
// Get original location
int x = item.InventoryLocation.X;
int y = item.InventoryLocation.Y;
// equip item and place other item in the backpack
sourceGrid.RemoveItem(item);
_equipment.UnequipItem(oldEquipItem);
sourceGrid.AddItem(oldEquipItem, y, x);
_equipment.EquipItem(item, targetEquipSlot);
}
AcceptMoveRequest(item);
AcceptMoveRequest(oldEquipItem);
}
SendVisualInventory(this._owner);
}
}
// Request to move an item (from backpack or equipmentslot)
else
{
if (request.Location.EquipmentSlot == 0)
{
// check if not unsocketting rune
for (int i = 0; i < _skillSocketRunes.Length; i++)
{
if (_skillSocketRunes[i] == request.ItemID)
{
if (_inventoryGrid.FreeSpace(item, request.Location.Row, request.Location.Column))
{
RemoveRune(i);
_inventoryGrid.AddItem(item, request.Location.Row, request.Location.Column);
if (item.InvLoc.EquipmentSlot != request.Location.EquipmentSlot)
{
AcceptMoveRequest(item);
}
}
return;
}
}
}
var destGrid = (request.Location.EquipmentSlot == 0 ? _inventoryGrid : _stashGrid);
if (destGrid.FreeSpace(item, request.Location.Row, request.Location.Column))
{
if (_equipment.IsItemEquipped(item))
{
_equipment.UnequipItem(item); // Unequip the item
SendVisualInventory(this._owner);
}
else
{
var sourceGrid = (item.InvLoc.EquipmentSlot == 0 ? _inventoryGrid : _stashGrid);
sourceGrid.RemoveItem(item);
}
destGrid.AddItem(item, request.Location.Row, request.Location.Column);
if (item.InvLoc.EquipmentSlot != request.Location.EquipmentSlot)
{
AcceptMoveRequest(item);
}
}
}
}