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Trading Refactor

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- Its no longer possible to dupe items by stacking inventory slots in a trade.
- Stacked items work correctly now.
This commit is contained in:
Jade 2021-01-01 07:16:44 +00:00 committed by dongresource
parent ddc7caf959
commit 74e06f1084
2 changed files with 271 additions and 342 deletions
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594
src/ItemManager.cpp
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@ -32,15 +32,15 @@ void ItemManager::init() {
// Bank // Bank
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_BANK_OPEN, itemBankOpenHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_BANK_OPEN, itemBankOpenHandler);
// Trade handlers // Trade handlers
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER, itemTradeOfferHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER, tradeOffer);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT, itemTradeOfferAcceptHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT, tradeOfferAccept);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL, itemTradeOfferRefusalHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL, tradeOfferRefusal);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM, itemTradeConfirmHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM, tradeConfirm);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL, itemTradeConfirmCancelHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL, tradeConfirmCancel);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_REGISTER, itemTradeRegisterItemHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_REGISTER, tradeRegisterItem);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER, itemTradeUnregisterItemHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER, tradeUnregisterItem);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CASH_REGISTER, itemTradeRegisterCashHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CASH_REGISTER, tradeRegisterCash);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_EMOTES_CHAT, itemTradeChatHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_EMOTES_CHAT, tradeChat);
REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_CHEST_OPEN, chestOpenHandler); REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_CHEST_OPEN, chestOpenHandler);
} }
@ -332,284 +332,155 @@ void ItemManager::itemBankOpenHandler(CNSocket* sock, CNPacketData* data) {
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_BANK_OPEN_SUCC, sizeof(sP_FE2CL_REP_PC_BANK_OPEN_SUCC)); sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_BANK_OPEN_SUCC, sizeof(sP_FE2CL_REP_PC_BANK_OPEN_SUCC));
} }
void ItemManager::itemTradeOfferHandler(CNSocket* sock, CNPacketData* data) { void ItemManager::tradeOffer(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER))
return; // ignore the malformed packet return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER*)data->buf; sP_CL2FE_REQ_PC_TRADE_OFFER* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER*)data->buf;
int iID_Check; CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
if (pacdat->iID_Request == pacdat->iID_From) { if (otherSock == nullptr)
iID_Check = pacdat->iID_To; return;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock; Player* plr = PlayerManager::getPlayer(otherSock);
for (auto& pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
break;
}
}
Player* plr = PlayerManager::getPlayer(sock);
if (plr->isTrading) { if (plr->isTrading) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp); INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_To; resp.iID_Request = pacdat->iID_To;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL)); sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
return; // prevent trading with a player already trading return; // prevent trading with a player already trading
} }
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp); INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request; resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER)); otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER));
} }
void ItemManager::itemTradeOfferAcceptHandler(CNSocket* sock, CNPacketData* data) { void ItemManager::tradeOfferAccept(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT))
return; // ignore the malformed packet return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT*)data->buf; sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT*)data->buf;
int iID_Check; CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (pacdat->iID_Request == pacdat->iID_From) { if (otherSock == nullptr)
iID_Check = pacdat->iID_To; return;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock;
for (auto& pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
break;
}
}
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
// Clearing up trade slots
Player* plr = PlayerManager::getPlayer(sock); Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock); Player* plr2 = PlayerManager::getPlayer(otherSock);
if (plr2->isTrading) { if (plr2->isTrading) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp); INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_From;
resp.iID_Request = pacdat->iID_To;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL)); sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
return; // prevent trading with a player already trading return; // prevent trading with a player already trading
} }
plr->isTrading = true; // clearing up trade slots
plr2->isTrading = true;
plr->isTradeConfirm = false;
plr2->isTradeConfirm = false;
plr->moneyInTrade = 0; plr->moneyInTrade = 0;
plr2->moneyInTrade = 0; plr2->moneyInTrade = 0;
memset(&plr->Trade, 0, sizeof(plr->Trade)); memset(&plr->Trade, 0, sizeof(plr->Trade));
memset(&plr2->Trade, 0, sizeof(plr2->Trade)); memset(&plr2->Trade, 0, sizeof(plr2->Trade));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC)); // marking players as traders
} plr->isTrading = true;
plr2->isTrading = true;
void ItemManager::itemTradeOfferRefusalHandler(CNSocket* sock, CNPacketData* data) { // marking players as unconfirmed
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL)) plr->isTradeConfirm = false;
return; // ignore the malformed packet plr2->isTradeConfirm = false;
sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL*)data->buf;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
// inform the other player that offer is accepted
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
resp.iID_Request = pacdat->iID_Request; resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
int iID_Check; sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
}
if (pacdat->iID_Request == pacdat->iID_From) { void ItemManager::tradeOfferRefusal(CNSocket* sock, CNPacketData* data) {
iID_Check = pacdat->iID_To; if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL))
} else { return; // ignore the malformed packet
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock; sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL*)data->buf;
for (auto& pair : PlayerManager::players) { CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
break;
}
}
if (otherSock == nullptr)
return;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL)); otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
} }
void ItemManager::itemTradeConfirmHandler(CNSocket* sock, CNPacketData* data) { void ItemManager::tradeConfirm(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM))
return; // ignore the malformed packet return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CONFIRM* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM*)data->buf; sP_CL2FE_REQ_PC_TRADE_CONFIRM* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM*)data->buf;
int iID_Check; CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (pacdat->iID_Request == pacdat->iID_From) { if (otherSock == nullptr)
iID_Check = pacdat->iID_To; return;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock;
for (auto& pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
break;
}
}
Player* plr = PlayerManager::getPlayer(sock); Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock); Player* plr2 = PlayerManager::getPlayer(otherSock);
if (plr2->isTradeConfirm) { if (!(plr->isTrading && plr2->isTrading)) { // both players must be trading
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
plr->isTrading = false; resp.iID_Request = plr2->iID;
plr2->isTrading = false;
plr->isTradeConfirm = false;
plr2->isTradeConfirm = false;
// Check if we have enough free slots
int freeSlots = 0;
int freeSlotsNeeded = 0;
int freeSlots2 = 0;
int freeSlotsNeeded2 = 0;
for (int i = 0; i < AINVEN_COUNT; i++) {
if (plr->Inven[i].iID == 0)
freeSlots++;
}
for (int i = 0; i < 5; i++) {
if (plr->Trade[i].iID != 0)
freeSlotsNeeded++;
}
for (int i = 0; i < AINVEN_COUNT; i++) {
if (plr2->Inven[i].iID == 0)
freeSlots2++;
}
for (int i = 0; i < 5; i++) {
if (plr2->Trade[i].iID != 0)
freeSlotsNeeded2++;
}
if (freeSlotsNeeded2 - freeSlotsNeeded > freeSlots) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
return; // Fail trade because of the lack of slots
}
if (freeSlotsNeeded - freeSlotsNeeded2 > freeSlots2) {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL));
return; // Fail trade because of the lack of slots
}
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
resp.iID_Request = plr->iID;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
return;
}
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM)); // send the confirm packet
// ^^ this is a must have or else the player won't accept a succ packet for some reason INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
for (int i = 0; i < freeSlotsNeeded; i++) { if (!(plr2->isTradeConfirm)) {
plr->Inven[plr->Trade[i].iInvenNum].iID = 0; plr->isTradeConfirm = true;
plr->Inven[plr->Trade[i].iInvenNum].iType = 0; otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
plr->Inven[plr->Trade[i].iInvenNum].iOpt = 0; return;
} }
for (int i = 0; i < freeSlotsNeeded2; i++) { // both players are no longer trading
plr2->Inven[plr2->Trade[i].iInvenNum].iID = 0; plr->isTrading = false;
plr2->Inven[plr2->Trade[i].iInvenNum].iType = 0; plr2->isTrading = false;
plr2->Inven[plr2->Trade[i].iInvenNum].iOpt = 0; plr->isTradeConfirm = false;
} plr2->isTradeConfirm = false;
for (int i = 0; i < AINVEN_COUNT; i++) {
if (freeSlotsNeeded <= 0)
break;
if (plr2->Inven[i].iID == 0) {
plr2->Inven[i].iID = plr->Trade[freeSlotsNeeded - 1].iID;
plr2->Inven[i].iType = plr->Trade[freeSlotsNeeded - 1].iType;
plr2->Inven[i].iOpt = plr->Trade[freeSlotsNeeded - 1].iOpt;
plr->Trade[freeSlotsNeeded - 1].iInvenNum = i;
freeSlotsNeeded--;
}
}
for (int i = 0; i < AINVEN_COUNT; i++) {
if (freeSlotsNeeded2 <= 0)
break;
if (plr->Inven[i].iID == 0) {
plr->Inven[i].iID = plr2->Trade[freeSlotsNeeded2 - 1].iID;
plr->Inven[i].iType = plr2->Trade[freeSlotsNeeded2 - 1].iType;
plr->Inven[i].iOpt = plr2->Trade[freeSlotsNeeded2 - 1].iOpt;
plr2->Trade[freeSlotsNeeded2 - 1].iInvenNum = i;
freeSlotsNeeded2--;
}
}
if (doTrade(plr, plr2)) { // returns false if not enough slots
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, resp2); INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, resp2);
resp2.iID_Request = pacdat->iID_Request; resp2.iID_Request = pacdat->iID_Request;
resp2.iID_From = pacdat->iID_From; resp2.iID_From = pacdat->iID_From;
resp2.iID_To = pacdat->iID_To; resp2.iID_To = pacdat->iID_To;
plr->money = plr->money + plr2->moneyInTrade - plr->moneyInTrade; plr->money = plr->money + plr2->moneyInTrade - plr->moneyInTrade;
resp2.iCandy = plr->money; resp2.iCandy = plr->money;
memcpy(resp2.Item, plr2->Trade, sizeof(plr2->Trade)); memcpy(resp2.Item, plr2->Trade, sizeof(plr2->Trade));
memcpy(resp2.ItemStay, plr->Trade, sizeof(plr->Trade)); memcpy(resp2.ItemStay, plr->Trade, sizeof(plr->Trade));
@ -617,152 +488,223 @@ void ItemManager::itemTradeConfirmHandler(CNSocket* sock, CNPacketData* data) {
plr2->money = plr2->money + plr->moneyInTrade - plr2->moneyInTrade; plr2->money = plr2->money + plr->moneyInTrade - plr2->moneyInTrade;
resp2.iCandy = plr2->money; resp2.iCandy = plr2->money;
memcpy(resp2.Item, plr->Trade, sizeof(plr->Trade)); memcpy(resp2.Item, plr->Trade, sizeof(plr->Trade));
memcpy(resp2.ItemStay, plr2->Trade, sizeof(plr2->Trade)); memcpy(resp2.ItemStay, plr2->Trade, sizeof(plr2->Trade));
otherSock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC)); otherSock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
} else { } else {
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM, resp); resp.iID_Request = plr2->iID;
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
plr->isTradeConfirm = true; resp.iID_Request = plr->iID;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM)); return;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
} }
} }
void ItemManager::itemTradeConfirmCancelHandler(CNSocket* sock, CNPacketData* data) { bool ItemManager::doTrade(Player* plr, Player* plr2) {
// init dummy inventories
sItemBase plrInven[AINVEN_COUNT];
sItemBase plr2Inven[AINVEN_COUNT];
memcpy(plrInven, plr->Inven, AINVEN_COUNT * sizeof(sItemBase));
memcpy(plr2Inven, plr2->Inven, AINVEN_COUNT * sizeof(sItemBase));
for (int i = 0; i < 5; i++) {
// remove items offered by us
if (plr->Trade[i].iID != 0) {
if (plrInven[plr->Trade[i].iInvenNum].iID == 0) // pulling a fast one on us
return false;
// for stacked items
plrInven[plr->Trade[i].iInvenNum].iOpt -= plr->Trade[i].iOpt;
if (plrInven[plr->Trade[i].iInvenNum].iOpt == 0) {
plrInven[plr->Trade[i].iInvenNum].iID = 0;
plrInven[plr->Trade[i].iInvenNum].iType = 0;
plrInven[plr->Trade[i].iInvenNum].iOpt = 0;
} else if (plrInven[plr->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
return false;
}
}
if (plr2->Trade[i].iID != 0) {
if (plr2Inven[plr2->Trade[i].iInvenNum].iID == 0) // pulling a fast one on us
return false;
// for stacked items
plr2Inven[plr2->Trade[i].iInvenNum].iOpt -= plr2->Trade[i].iOpt;
if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt == 0) {
plr2Inven[plr2->Trade[i].iInvenNum].iID = 0;
plr2Inven[plr2->Trade[i].iInvenNum].iType = 0;
plr2Inven[plr2->Trade[i].iInvenNum].iOpt = 0;
} else if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
return false;
}
}
// add items offered to us
if (plr2->Trade[i].iID != 0) {
for (int n = 0; n < AINVEN_COUNT; n++) {
if (plrInven[n].iID == 0) {
plrInven[n].iID = plr2->Trade[i].iID;
plrInven[n].iType = plr2->Trade[i].iType;
plrInven[n].iOpt = plr2->Trade[i].iOpt;
plr2->Trade[i].iInvenNum = n;
break;
}
if (n >= AINVEN_COUNT - 1)
return false; // not enough space
}
}
if (plr->Trade[i].iID != 0) {
for (int n = 0; n < AINVEN_COUNT; n++) {
if (plr2Inven[n].iID == 0) {
plr2Inven[n].iID = plr->Trade[i].iID;
plr2Inven[n].iType = plr->Trade[i].iType;
plr2Inven[n].iOpt = plr->Trade[i].iOpt;
plr->Trade[i].iInvenNum = n;
break;
}
if (n >= AINVEN_COUNT - 1)
return false; // not enough space
}
}
}
// if everything went well, back into player inventory it goes
memcpy(plr->Inven, plrInven, AINVEN_COUNT * sizeof(sItemBase));
memcpy(plr2->Inven, plr2Inven, AINVEN_COUNT * sizeof(sItemBase));
return true;
}
void ItemManager::tradeConfirmCancel(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL))
return; // ignore the malformed packet return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL*)data->buf; sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL*)data->buf;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, resp);
resp.iID_Request = pacdat->iID_Request; CNSocket* otherSock; // weird flip flop because we need to know who the other player is
resp.iID_From = pacdat->iID_From; if (pacdat->iID_Request == pacdat->iID_From)
resp.iID_To = pacdat->iID_To; otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
int iID_Check; if (otherSock == nullptr)
return;
if (pacdat->iID_Request == pacdat->iID_From) {
iID_Check = pacdat->iID_To;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock;
for (auto pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
}
}
Player* plr = PlayerManager::getPlayer(sock); Player* plr = PlayerManager::getPlayer(sock);
Player* plr2 = PlayerManager::getPlayer(otherSock); Player* plr2 = PlayerManager::getPlayer(otherSock);
// both players are not trading nor are in a confirmed state
plr->isTrading = false; plr->isTrading = false;
plr->isTradeConfirm = false; plr->isTradeConfirm = false;
plr2->isTrading = false; plr2->isTrading = false;
plr2->isTradeConfirm = false; plr2->isTradeConfirm = false;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL)); otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL));
} }
void ItemManager::itemTradeRegisterItemHandler(CNSocket* sock, CNPacketData* data) { void ItemManager::tradeRegisterItem(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER))
return; // ignore the malformed packet return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER*)data->buf; sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER*)data->buf;
if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4) if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
return; // sanity check return; // sanity check, there are only 5 trade slots
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, resp); CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
resp.iID_Request = pacdat->iID_Request; if (otherSock == nullptr)
resp.iID_From = pacdat->iID_From; return;
resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item;
resp.InvenItem = pacdat->Item;
int iID_Check;
if (pacdat->iID_Request == pacdat->iID_From) {
iID_Check = pacdat->iID_To;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock;
for (auto pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
}
}
Player* plr = PlayerManager::getPlayer(sock); Player* plr = PlayerManager::getPlayer(sock);
plr->Trade[pacdat->Item.iSlotNum] = pacdat->Item; plr->Trade[pacdat->Item.iSlotNum] = pacdat->Item;
plr->isTradeConfirm = false; plr->isTradeConfirm = false;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC)); // since you can spread items like gumballs over multiple slots, we need to count them all
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC)); // to make sure the inventory shows the right value during trade.
} int count = 0;
for (int i = 0; i < 5; i++) {
void ItemManager::itemTradeUnregisterItemHandler(CNSocket* sock, CNPacketData* data) { if (plr->Trade[i].iInvenNum == pacdat->Item.iInvenNum)
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER)) count += plr->Trade[i].iOpt;
return; // ignore the malformed packet }
sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER*)data->buf;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, resp);
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request; resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item; resp.TradeItem = pacdat->Item;
resp.InvenItem = pacdat->Item;
resp.InvenItem.iOpt = plr->Inven[pacdat->Item.iInvenNum].iOpt - count; // subtract this count
if (resp.InvenItem.iOpt < 0) // negative count items, doTrade() will block this later on
std::cout << "[WARN] tradeRegisterItem: an item went negative count client side." << std::endl;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
}
void ItemManager::tradeUnregisterItem(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER))
return; // ignore the malformed packet
sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER*)data->buf;
if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
return; // sanity check, there are only 5 trade slots
CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
Player* plr = PlayerManager::getPlayer(sock); Player* plr = PlayerManager::getPlayer(sock);
resp.InvenItem = plr->Trade[pacdat->Item.iSlotNum];
plr->isTradeConfirm = false; plr->isTradeConfirm = false;
int iID_Check; INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
resp.TradeItem = pacdat->Item;
resp.InvenItem = plr->Trade[pacdat->Item.iSlotNum];
if (pacdat->iID_Request == pacdat->iID_From) { memset(&plr->Trade[pacdat->Item.iSlotNum], 0, sizeof(plr->Trade[pacdat->Item.iSlotNum])); // clean up item slot
iID_Check = pacdat->iID_To;
} else { // since you can spread items like gumballs over multiple slots, we need to count them all
iID_Check = pacdat->iID_From; // to make sure the inventory shows the right value during trade.
int count = 0;
for (int i = 0; i < 5; i++) {
if (plr->Trade[i].iInvenNum == resp.InvenItem.iInvenNum)
count += plr->Trade[i].iOpt;
} }
CNSocket* otherSock = sock; resp.InvenItem.iOpt = plr->Inven[resp.InvenItem.iInvenNum].iOpt - count; // subtract this count
for (auto pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
}
}
int temp_num = pacdat->Item.iSlotNum;
if (temp_num >= 0 && temp_num <= 4) {
plr->Trade[temp_num].iID = 0;
plr->Trade[temp_num].iType = 0;
plr->Trade[temp_num].iOpt = 0;
plr->Trade[temp_num].iInvenNum = 0;
plr->Trade[temp_num].iSlotNum = 0;
}
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC)); sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC)); otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC));
} }
void ItemManager::itemTradeRegisterCashHandler(CNSocket* sock, CNPacketData* data) { void ItemManager::tradeRegisterCash(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER))
return; // ignore the malformed packet return; // ignore the malformed packet
@ -773,71 +715,57 @@ void ItemManager::itemTradeRegisterCashHandler(CNSocket* sock, CNPacketData* dat
if (pacdat->iCandy < 0 || pacdat->iCandy > plr->money) if (pacdat->iCandy < 0 || pacdat->iCandy > plr->money)
return; // famous glitch, begone return; // famous glitch, begone
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, resp); CNSocket* otherSock; // weird flip flop because we need to know who the other player is
if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
if (otherSock == nullptr)
return;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, resp);
resp.iID_Request = pacdat->iID_Request; resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From; resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To; resp.iID_To = pacdat->iID_To;
resp.iCandy = pacdat->iCandy; resp.iCandy = pacdat->iCandy;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
int iID_Check; otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
if (pacdat->iID_Request == pacdat->iID_From) {
iID_Check = pacdat->iID_To;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = sock;
for (auto pair : PlayerManager::players) {
if (pair.second->iID == iID_Check) {
otherSock = pair.first;
}
}
plr->moneyInTrade = pacdat->iCandy; plr->moneyInTrade = pacdat->iCandy;
plr->isTradeConfirm = false; plr->isTradeConfirm = false;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
} }
void ItemManager::itemTradeChatHandler(CNSocket* sock, CNPacketData* data) { void ItemManager::tradeChat(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_EMOTES_CHAT)) if (data->size != sizeof(sP_CL2FE_REQ_PC_TRADE_EMOTES_CHAT))
return; // malformed packet return; // malformed packet
sP_CL2FE_REQ_PC_TRADE_EMOTES_CHAT* pacdat = (sP_CL2FE_REQ_PC_TRADE_EMOTES_CHAT*)data->buf; sP_CL2FE_REQ_PC_TRADE_EMOTES_CHAT* pacdat = (sP_CL2FE_REQ_PC_TRADE_EMOTES_CHAT*)data->buf;
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_EMOTES_CHAT, resp); CNSocket* otherSock; // weird flip flop because we need to know who the other player is
Player *plr = PlayerManager::getPlayer(sock); if (pacdat->iID_Request == pacdat->iID_From)
otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
else
otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
std::string fullChat = ChatManager::sanitizeText(U16toU8(pacdat->szFreeChat));
U8toU16(fullChat, resp.szFreeChat, sizeof(resp.szFreeChat));
int iID_Check;
if (pacdat->iID_Request == pacdat->iID_From) {
iID_Check = pacdat->iID_To;
} else {
iID_Check = pacdat->iID_From;
}
CNSocket* otherSock = PlayerManager::getSockFromID(iID_Check);;
if (otherSock == nullptr) if (otherSock == nullptr)
return; return;
Player *otherPlr = PlayerManager::getPlayer(otherSock); Player *otherPlr = PlayerManager::getPlayer(otherSock);
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_EMOTES_CHAT, resp);
Player *plr = PlayerManager::getPlayer(sock);
resp.iID_Request = pacdat->iID_Request;
resp.iID_From = pacdat->iID_From;
resp.iID_To = pacdat->iID_To;
std::string fullChat = ChatManager::sanitizeText(U16toU8(pacdat->szFreeChat));
U8toU16(fullChat, resp.szFreeChat, sizeof(resp.szFreeChat));
std::string logLine = "[TradeChat] " + PlayerManager::getPlayerName(plr) + " (to " + PlayerManager::getPlayerName(otherPlr) + "): " + fullChat; std::string logLine = "[TradeChat] " + PlayerManager::getPlayerName(plr) + " (to " + PlayerManager::getPlayerName(otherPlr) + "): " + fullChat;
std::cout << logLine << std::endl; std::cout << logLine << std::endl;
ChatManager::dump.push_back(logLine); ChatManager::dump.push_back(logLine);
resp.iEmoteCode = pacdat->iEmoteCode; resp.iEmoteCode = pacdat->iEmoteCode;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_EMOTES_CHAT, sizeof(sP_FE2CL_REP_PC_TRADE_EMOTES_CHAT)); sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_EMOTES_CHAT, sizeof(sP_FE2CL_REP_PC_TRADE_EMOTES_CHAT));
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_EMOTES_CHAT, sizeof(sP_FE2CL_REP_PC_TRADE_EMOTES_CHAT)); otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_EMOTES_CHAT, sizeof(sP_FE2CL_REP_PC_TRADE_EMOTES_CHAT));
} }

19
src/ItemManager.hpp
View File

@ -44,15 +44,16 @@ namespace ItemManager {
void itemUseHandler(CNSocket* sock, CNPacketData* data); void itemUseHandler(CNSocket* sock, CNPacketData* data);
// Bank // Bank
void itemBankOpenHandler(CNSocket* sock, CNPacketData* data); void itemBankOpenHandler(CNSocket* sock, CNPacketData* data);
void itemTradeOfferHandler(CNSocket* sock, CNPacketData* data); void tradeOffer(CNSocket* sock, CNPacketData* data);
void itemTradeOfferAcceptHandler(CNSocket* sock, CNPacketData* data); void tradeOfferAccept(CNSocket* sock, CNPacketData* data);
void itemTradeOfferRefusalHandler(CNSocket* sock, CNPacketData* data); void tradeOfferRefusal(CNSocket* sock, CNPacketData* data);
void itemTradeConfirmHandler(CNSocket* sock, CNPacketData* data); void tradeConfirm(CNSocket* sock, CNPacketData* data);
void itemTradeConfirmCancelHandler(CNSocket* sock, CNPacketData* data); bool doTrade(Player* plr, Player* plr2);
void itemTradeRegisterItemHandler(CNSocket* sock, CNPacketData* data); void tradeConfirmCancel(CNSocket* sock, CNPacketData* data);
void itemTradeUnregisterItemHandler(CNSocket* sock, CNPacketData* data); void tradeRegisterItem(CNSocket* sock, CNPacketData* data);
void itemTradeRegisterCashHandler(CNSocket* sock, CNPacketData* data); void tradeUnregisterItem(CNSocket* sock, CNPacketData* data);
void itemTradeChatHandler(CNSocket* sock, CNPacketData* data); void tradeRegisterCash(CNSocket* sock, CNPacketData* data);
void tradeChat(CNSocket* sock, CNPacketData* data);
void chestOpenHandler(CNSocket* sock, CNPacketData* data); void chestOpenHandler(CNSocket* sock, CNPacketData* data);
// crate opening logic with all helper functions // crate opening logic with all helper functions