Method ParseWindowClick

src/Protocol/Protocol125.cpp:1600–1655

int cProtocol125::ParseWindowClick(void)
{
	HANDLE_PACKET_READ(ReadChar,    char,  WindowID);
	HANDLE_PACKET_READ(ReadBEShort, short, SlotNum);
	HANDLE_PACKET_READ(ReadBool,    bool,  IsRightClick);
	HANDLE_PACKET_READ(ReadBEShort, short, TransactionID);
	HANDLE_PACKET_READ(ReadBool,    bool,  IsShiftPressed);
	cItem HeldItem;
	int res = ParseItem(HeldItem);
	if (res < 0)
	{
		return res;
	}
	
	// Convert IsShiftPressed, IsRightClick, SlotNum and HeldItem into eClickAction used in the newer protocols:
	eClickAction Action;
	if (IsRightClick)
	{
		if (IsShiftPressed)
		{
			Action = caShiftRightClick;
		}
		else
		{
			if (SlotNum == -999)
			{
				Action = (HeldItem.IsEmpty()) ? caRightClickOutsideHoldNothing : caRightClickOutside;
			}
			else
			{
				Action = caRightClick;
			}
		}
	}
	else
	{
		// IsLeftClick
		if (IsShiftPressed)
		{
			Action = caShiftLeftClick;
		}
		else
		{
			if (SlotNum == -999)
			{
				Action = (HeldItem.IsEmpty()) ? caLeftClickOutsideHoldNothing : caRightClickOutside;
			}
			else
			{
				Action = caLeftClick;
			}
		}
	}
	m_Client->HandleWindowClick(WindowID, SlotNum, Action, HeldItem);
	return PARSE_OK;
}