public void SecureTrade(VM vm, VMEODSecureTradePlayer p1, VMEODSecureTradePlayer p2, VMAsyncSecureTradeCallback callback)
{
var moneyMove = p1.MoneyOffer - p2.MoneyOffer;
Host.InBackground(() =>
{
var cityMessages = new List <NotifyLotRoommateChange>();
using (var db = DAFactory.Get())
{
var failState = VMEODSecureTradeError.SUCCESS;
var result = db.Avatars.Transaction(p1.PlayerPersist, p2.PlayerPersist, moneyMove, 9, () =>
{
//this is all part of the transaction. returning false in here will undo all sql queries we make.
//try to transfer the in-inventory objects.
VMEODSecureTradeObject lot1 = null;
VMEODSecureTradeObject lot2 = null;
var objs = new List <uint>();
foreach (var item in p1.ObjectOffer)
{
if (item == null)
{
continue;
}
if (item.LotID > 0)
{
lot1 = item;
continue;
}
objs.Add(item.PID);
}
var count = db.Objects.ChangeInventoryOwners(objs, p1.PlayerPersist, p2.PlayerPersist);
//if the number of rows changed does not equal the number we wanted to change, the transaction is invalid.
if (count != objs.Count)
{
failState = VMEODSecureTradeError.MISSING_OBJECT;
return(false);
}
objs = new List <uint>();
foreach (var item in p2.ObjectOffer)
{
if (item == null)
{
continue;
}
if (item.LotID > 0)
{
lot2 = item;
continue;
}
objs.Add(item.PID);
}
count = db.Objects.ChangeInventoryOwners(objs, p2.PlayerPersist, p1.PlayerPersist);
if (count != objs.Count)
{
failState = VMEODSecureTradeError.MISSING_OBJECT;
return(false);
}
for (int i = 0; i < 2; i++)
{
var iLot = (i == 0) ? lot1 : lot2;
var myP = (i == 0) ? p1 : p2;
var otherP = (i == 0) ? p2 : p1;
if (iLot != null)
{
var lot = db.Lots.Get((int)iLot.LotID);
if (lot.owner_id != myP.PlayerPersist && (i == 0 || lot1 == null))
{
failState = VMEODSecureTradeError.WRONG_OWNER_LOT;
return(false);
}
if (lot.owner_id != null)
{
db.Roommates.RemoveRoommate(lot.owner_id.Value, lot.lot_id);
}
//evict this roommate from any lots they are on
var otherLots = db.Roommates.GetAvatarsLots(otherP.PlayerPersist);
foreach (var olot in otherLots)
{
db.Roommates.RemoveRoommate(olot.avatar_id, olot.lot_id);
if (olot.permissions_level == 2)
{
if (i == 0 && lot2 != null && lot2.PID == olot.lot_id)
{
//if this lot is being traded later, leave its owner hanging until we can get it again
db.Lots.UpdateOwner(olot.lot_id, null);
}
else
{
db.Lots.ReassignOwner(olot.lot_id);
}
}
//our lot will be changed. update it if we're not giving them our lot (the lot may need to be deleted, and our
//objects removed, or if we're not giving them the objects on our lot (they must be removed)
//if the lot's open then we need to tell it we're no longer the roommate.
//we can't detect this from this side, so do it anyways.
cityMessages.Add(new NotifyLotRoommateChange()
{
LotId = olot.lot_id,
AvatarId = olot.avatar_id,
Change = ChangeType.REMOVE_ROOMMATE
});
}
//create the other avatar as a roommate in this lot, then assign them as owner
db.Roommates.CreateOrUpdate(new DbRoommate()
{
avatar_id = otherP.PlayerPersist, lot_id = lot.lot_id, permissions_level = 2
});
db.Lots.UpdateOwner(lot.lot_id, otherP.PlayerPersist);
if (iLot.GUID == 2)
{
//give them our objects. be extra cautious here and don't transfer the lot if the object count differs.
var objectsTransferred = db.Objects.UpdateObjectOwnerLot(myP.PlayerPersist, lot.lot_id, otherP.PlayerPersist);
if (objectsTransferred != iLot.ObjectCount)
{
failState = VMEODSecureTradeError.MISSING_OBJECT_LOT;
return(false);
}
}
cityMessages.Add(new NotifyLotRoommateChange()
{
LotId = lot.lot_id,
AvatarId = otherP.PlayerPersist,
Change = (iLot.GUID == 2) ? ChangeType.BECOME_OWNER_WITH_OBJECTS : ChangeType.BECOME_OWNER,
ReplaceId = (iLot.GUID == 2) ? myP.PlayerPersist : 0
});
}
}
return(failState == VMEODSecureTradeError.SUCCESS);
});
if (failState == VMEODSecureTradeError.SUCCESS && !result.success)
{
failState = VMEODSecureTradeError.MISSING_MONEY;
}
vm.SendCommand(new VMNetAsyncResponseCmd(0, new VMTransferFundsState
{
Responded = true,
Success = result.success,
TransferAmount = result.amount,
UID1 = p1.PlayerPersist,
Budget1 = (uint)result.source_budget,
UID2 = p2.PlayerPersist,
Budget2 = (uint)result.dest_budget
}));
//send out updated inventories to both avatars
UpdateInventoryFor(vm, p1.PlayerPersist);
UpdateInventoryFor(vm, p2.PlayerPersist);
callback(failState);
if (failState == VMEODSecureTradeError.SUCCESS)
{
var conn = City.GetByShardId(Context.ShardId);
object[] messages = cityMessages.ToArray();
conn.Write(messages);
}
}
});
}
public void SecureTrade(VM vm, VMEODSecureTradePlayer p1, VMEODSecureTradePlayer p2, VMAsyncSecureTradeCallback callback)
{
}
