void WorldSession::HandleCancelTrade(WorldPacket & recv_data)
{
if(!_player->IsInWorld() || _player->mTradeTarget == 0)
return;
if( _player->mTradeStatus == TRADE_STATUS_COMPLETE)
{
_player->ResetTradeVariables();
return;
}
uint32 TradeStatus = TRADE_STATUS_CANCELLED;
PlayerPointer pTarget = _player->GetTradeTarget();
if(pTarget == NULL || !pTarget->IsInWorld())
{
TradeStatus = TRADE_STATUS_PLAYER_NOT_FOUND;
_player->ResetTradeVariables();
SendTradeStatus(TradeStatus);
}
else
{
pTarget->ResetTradeVariables();
_player->ResetTradeVariables();
SendTradeStatus(TradeStatus);
if(pTarget->m_session && pTarget->m_session->GetSocket())
pTarget->m_session->SendTradeStatus(TradeStatus);
}
}
void WorldSession::HandleInitiateTrade(WorldPacket & recv_data)
{
CHECK_INWORLD_RETURN;
CHECK_PACKET_SIZE(recv_data, 8);
uint64 guid;
recv_data >> guid;
uint32 TradeStatus = TRADE_STATUS_PROPOSED;
PlayerPointer pTarget = _player->GetMapMgr()->GetPlayer((uint32)guid);
if(pTarget == NULL || !pTarget->IsInWorld())
TradeStatus = TRADE_STATUS_PLAYER_NOT_FOUND;
else
{
// Handle possible error outcomes
if(_player->isDead())
TradeStatus = TRADE_STATUS_DEAD;
if(pTarget->isDead())
TradeStatus = TRADE_STATUS_TARGET_DEAD;
else if(pTarget->mTradeTarget != 0)
TradeStatus = TRADE_STATUS_ALREADY_TRADING;
else if(pTarget->GetTeam() != _player->GetTeam() && GetPermissionCount() == 0)
TradeStatus = TRADE_STATUS_WRONG_FACTION;
else if(_player->CalcDistance(pTarget) > 10.0f) // This needs to be checked
TradeStatus = TRADE_STATUS_TOO_FAR_AWAY;
}
if(TradeStatus != TRADE_STATUS_PROPOSED)
{
_player->ResetTradeVariables();
SendTradeStatus(TradeStatus);
}
else
{
_player->ResetTradeVariables();
pTarget->ResetTradeVariables();
pTarget->mTradeTarget = _player->GetLowGUID();
_player->mTradeTarget = pTarget->GetLowGUID();
pTarget->mTradeStatus = TradeStatus;
_player->mTradeStatus = TradeStatus;
WorldPacket data(SMSG_TRADE_STATUS, 12);
data << TradeStatus;
data << _player->GetGUID();
if(pTarget->m_session && pTarget->m_session->GetSocket())
pTarget->m_session->SendPacket(&data);
}
}
void WorldSession::HandleAcceptTrade(WorldPacket & recv_data)
{
if(!_player->IsInWorld() || _player->mTradeTarget == 0)
return;
uint32 TradeStatus = TRADE_STATUS_ACCEPTED;
PlayerPointer pTarget = _player->GetTradeTarget();
if(pTarget == NULL || !pTarget->IsInWorld())
TradeStatus = TRADE_STATUS_PLAYER_NOT_FOUND;
// Tell the other player we're green.
if(pTarget->m_session && pTarget->m_session->GetSocket())
pTarget->m_session->SendTradeStatus(TradeStatus);
_player->mTradeStatus = TradeStatus;
//Both sides accepted? Let's trade!
if(_player->mTradeStatus == TRADE_STATUS_ACCEPTED && pTarget->mTradeStatus == TRADE_STATUS_ACCEPTED)
{
// Ready!
uint32 ItemCount = 0;
uint32 TargetItemCount = 0;
ItemPointer pItem;
// Count items on both sides, check if bags are empty.
for(uint32 Index = 0; Index < 6; ++Index)
{
if(_player->mTradeItems[Index] != NULL)
{
pItem = _player->mTradeItems[Index];
if( pItem != NULL && pItem->IsContainer() && TO_CONTAINER(pItem)->HasItems())
{
sCheatLog.writefromsession(this, "%s involved in bag-trick trade with %s", _player->GetName(),pTarget->GetName());
_player->GetItemInterface()->BuildInventoryChangeError( pItem, NULLITEM, INV_ERR_CANT_TRADE_EQUIP_BAGS);
TradeStatus = TRADE_STATUS_CANCELLED;
break;
}
else
++ItemCount;
}
if(pTarget->mTradeItems[Index] != NULL)
{
pItem = pTarget->mTradeItems[Index];
if( pItem != NULL && pItem->IsContainer() && TO_CONTAINER(pItem)->HasItems() )
{
sCheatLog.writefromsession(this, "%s involved in bag-trick trade with %s.", pTarget->GetName(),_player->GetName());
pTarget->GetItemInterface()->BuildInventoryChangeError( pItem, NULLITEM, INV_ERR_CANT_TRADE_EQUIP_BAGS);
TradeStatus = TRADE_STATUS_CANCELLED;
break;
}
else
++TargetItemCount;
}
}
//Do we have something to trade?
if( ItemCount == 0 && TargetItemCount == 0 && _player->mTradeGold == 0 && pTarget->mTradeGold == 0 )
TradeStatus = TRADE_STATUS_CANCELLED;
//Do we have enough free slots on both sides?
else if((_player->m_ItemInterface->CalculateFreeSlots(NULL) + ItemCount) < TargetItemCount || (pTarget->m_ItemInterface->CalculateFreeSlots(NULL) + TargetItemCount) < ItemCount )
TradeStatus = TRADE_STATUS_CANCELLED;
//Everything still ok?
else if(TradeStatus == TRADE_STATUS_ACCEPTED)
{
uint64 Guid;
//Swapp 6 itemslots (7th will not trade)
for(uint32 Index = 0; Index < 6; ++Index)
{
Guid = _player->mTradeItems[Index] ? _player->mTradeItems[Index]->GetGUID() : 0;
if(Guid != 0)
{
if( _player->mTradeItems[Index]->IsSoulbound())
_player->GetItemInterface()->BuildInventoryChangeError( _player->mTradeItems[Index], NULLITEM, INV_ERR_CANNOT_TRADE_THAT);
else
{
//Remove from player
pItem = _player->m_ItemInterface->SafeRemoveAndRetreiveItemByGuidRemoveStats(Guid, true);
//and add to pTarget
if(pItem != NULL)
{
pItem->SetOwner(pTarget);
if( !pTarget->m_ItemInterface->AddItemToFreeSlot(pItem) )
{
pItem->Destructor();
pItem = NULLITEM;
}
}
if(GetPermissionCount()>0 || pTarget->GetSession()->GetPermissionCount()>0)
sGMLog.writefromsession(this, "trade item %s with %s (soulbound = %d)", _player->mTradeItems[Index]->GetProto()->Name1, pTarget->GetName());
}
}
Guid = pTarget->mTradeItems[Index] ? pTarget->mTradeItems[Index]->GetGUID() : 0;
if(Guid != 0)
{
if( pTarget->mTradeItems[Index]->IsSoulbound())
pTarget->GetItemInterface()->BuildInventoryChangeError( pTarget->mTradeItems[Index], NULLITEM, INV_ERR_CANNOT_TRADE_THAT);
else
{
//Remove from pTarget
pItem = pTarget->m_ItemInterface->SafeRemoveAndRetreiveItemByGuidRemoveStats(Guid, true);
//and add to initiator
if(pItem != NULL)
{
pItem->SetOwner(_player);
if( !_player->m_ItemInterface->AddItemToFreeSlot(pItem) )
{
pItem->Destructor();
pItem = NULLITEM;
}
}
if(GetPermissionCount()>0 || pTarget->GetSession()->GetPermissionCount()>0)
sGMLog.writefromsession(this, "trade item %s with %s", pTarget->mTradeItems[Index]->GetProto()->Name1, _player->GetName());
}
}
}
// Trade Gold
if(_player->mTradeGold)
{
pTarget->ModUnsigned32Value(PLAYER_FIELD_COINAGE, _player->mTradeGold);
_player->ModUnsigned32Value(PLAYER_FIELD_COINAGE, -(int32)_player->mTradeGold);
}
if(pTarget->mTradeGold)
{
_player->ModUnsigned32Value(PLAYER_FIELD_COINAGE, pTarget->mTradeGold);
pTarget->ModUnsigned32Value(PLAYER_FIELD_COINAGE, -(int32)pTarget->mTradeGold);
}
pTarget->SaveToDB(false);
_player->SaveToDB(false);
TradeStatus = TRADE_STATUS_COMPLETE;
}
SendTradeStatus(TradeStatus);
if(pTarget->m_session && pTarget->m_session->GetSocket())
pTarget->m_session->SendTradeStatus(TradeStatus);
// Reset Trade Vars
_player->ResetTradeVariables();
pTarget->ResetTradeVariables();
}
}