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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "TradeData.h"
#include "Item.h"
#include "Player.h"
#include "Random.h"
#include "TradePackets.h"
#include "WorldSession.h"
TradeData* TradeData::GetTraderData() const
{
return _trader->GetTradeData();
}
Item* TradeData::GetItem(TradeSlots slot) const
{
return !_items[slot].IsEmpty() ? _player->GetItemByGuid(_items[slot]) : nullptr;
}
bool TradeData::HasItem(ObjectGuid itemGuid) const
{
for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
if (_items[i] == itemGuid)
return true;
return false;
}
TradeSlots TradeData::GetTradeSlotForItem(ObjectGuid itemGuid) const
{
for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
if (_items[i] == itemGuid)
return TradeSlots(i);
return TRADE_SLOT_INVALID;
}
Item* TradeData::GetSpellCastItem() const
{
return !_spellCastItem.IsEmpty() ? _player->GetItemByGuid(_spellCastItem) : nullptr;
}
void TradeData::SetItem(TradeSlots slot, Item* item, bool update /*= false*/)
{
ObjectGuid itemGuid;
if (item)
itemGuid = item->GetGUID();
if (_items[slot] == itemGuid && !update)
return;
_items[slot] = itemGuid;
SetAccepted(false);
GetTraderData()->SetAccepted(false);
UpdateServerStateIndex();
Update();
// need remove possible trader spell applied to changed item
if (slot == TRADE_SLOT_NONTRADED)
GetTraderData()->SetSpell(0);
// need remove possible player spell applied (possible move reagent)
SetSpell(0);
}
void TradeData::SetSpell(uint32 spell_id, Item* castItem /*= nullptr*/)
{
ObjectGuid itemGuid = castItem ? castItem->GetGUID() : ObjectGuid::Empty;
if (_spell == spell_id && _spellCastItem == itemGuid)
return;
_spell = spell_id;
_spellCastItem = itemGuid;
SetAccepted(false);
GetTraderData()->SetAccepted(false);
UpdateServerStateIndex();
Update(true); // send spell info to item owner
Update(false); // send spell info to caster self
}
void TradeData::SetMoney(uint64 money)
{
if (_money == money)
return;
if (!_player->HasEnoughMoney(money))
{
WorldPackets::Trade::TradeStatus info;
info.Status = TRADE_STATUS_FAILED;
info.BagResult = EQUIP_ERR_NOT_ENOUGH_MONEY;
_player->GetSession()->SendTradeStatus(info);
return;
}
_money = money;
SetAccepted(false);
GetTraderData()->SetAccepted(false);
UpdateServerStateIndex();
Update(true);
}
void TradeData::Update(bool forTrader /*= true*/) const
{
if (forTrader)
_trader->GetSession()->SendUpdateTrade(true); // player state for trader
else
_player->GetSession()->SendUpdateTrade(false); // player state for player
}
void TradeData::SetAccepted(bool state, bool forTrader /*= false*/)
{
_accepted = state;
if (!state)
{
WorldPackets::Trade::TradeStatus info;
info.Status = TRADE_STATUS_UNACCEPTED;
if (forTrader)
_trader->GetSession()->SendTradeStatus(info);
else
_player->GetSession()->SendTradeStatus(info);
}
}
void TradeData::UpdateServerStateIndex()
{
_serverStateIndex = rand32();
}
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