439 lines
18 KiB
C++
439 lines
18 KiB
C++
#include "Trading.hpp"
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#include "servers/CNShardServer.hpp"
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#include "PlayerManager.hpp"
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#include "db/Database.hpp"
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using namespace Trading;
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static bool doTrade(Player* plr, Player* plr2) {
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// init dummy inventories
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sItemBase plrInven[AINVEN_COUNT];
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sItemBase plr2Inven[AINVEN_COUNT];
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memcpy(plrInven, plr->Inven, AINVEN_COUNT * sizeof(sItemBase));
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memcpy(plr2Inven, plr2->Inven, AINVEN_COUNT * sizeof(sItemBase));
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for (int i = 0; i < 5; i++) {
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// remove items offered by us
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if (plr->Trade[i].iID != 0) {
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if (plrInven[plr->Trade[i].iInvenNum].iID == 0
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|| plr->Trade[i].iID != plrInven[plr->Trade[i].iInvenNum].iID
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|| plr->Trade[i].iType != plrInven[plr->Trade[i].iInvenNum].iType) // pulling a fast one on us
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return false;
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if (plr->Trade[i].iOpt < 1) {
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std::cout << "[WARN] Player tried trading an iOpt < 1 amount" << std::endl;
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plr->Trade[i].iOpt = 1;
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}
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// for stacked items
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plrInven[plr->Trade[i].iInvenNum].iOpt -= plr->Trade[i].iOpt;
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if (plrInven[plr->Trade[i].iInvenNum].iOpt == 0) {
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plrInven[plr->Trade[i].iInvenNum].iID = 0;
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plrInven[plr->Trade[i].iInvenNum].iType = 0;
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plrInven[plr->Trade[i].iInvenNum].iOpt = 0;
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} else if (plrInven[plr->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
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return false;
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}
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}
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if (plr2->Trade[i].iID != 0) {
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if (plr2Inven[plr2->Trade[i].iInvenNum].iID == 0
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|| plr2->Trade[i].iID != plr2Inven[plr2->Trade[i].iInvenNum].iID
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|| plr2->Trade[i].iType != plr2Inven[plr2->Trade[i].iInvenNum].iType) // pulling a fast one on us
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return false;
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if (plr2->Trade[i].iOpt < 1) {
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std::cout << "[WARN] Player tried trading an iOpt < 1 amount" << std::endl;
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plr2->Trade[i].iOpt = 1;
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}
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// for stacked items
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plr2Inven[plr2->Trade[i].iInvenNum].iOpt -= plr2->Trade[i].iOpt;
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if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt == 0) {
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plr2Inven[plr2->Trade[i].iInvenNum].iID = 0;
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plr2Inven[plr2->Trade[i].iInvenNum].iType = 0;
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plr2Inven[plr2->Trade[i].iInvenNum].iOpt = 0;
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} else if (plr2Inven[plr2->Trade[i].iInvenNum].iOpt < 0) { // another dupe attempt
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return false;
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}
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}
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// add items offered to us
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if (plr2->Trade[i].iID != 0) {
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for (int n = 0; n < AINVEN_COUNT; n++) {
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if (plrInven[n].iID == 0) {
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plrInven[n].iID = plr2->Trade[i].iID;
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plrInven[n].iType = plr2->Trade[i].iType;
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plrInven[n].iOpt = plr2->Trade[i].iOpt;
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plr2->Trade[i].iInvenNum = n;
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break;
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}
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if (n >= AINVEN_COUNT - 1)
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return false; // not enough space
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}
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}
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if (plr->Trade[i].iID != 0) {
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for (int n = 0; n < AINVEN_COUNT; n++) {
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if (plr2Inven[n].iID == 0) {
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plr2Inven[n].iID = plr->Trade[i].iID;
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plr2Inven[n].iType = plr->Trade[i].iType;
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plr2Inven[n].iOpt = plr->Trade[i].iOpt;
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plr->Trade[i].iInvenNum = n;
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break;
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}
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if (n >= AINVEN_COUNT - 1)
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return false; // not enough space
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}
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}
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}
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// if everything went well, back into player inventory it goes
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memcpy(plr->Inven, plrInven, AINVEN_COUNT * sizeof(sItemBase));
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memcpy(plr2->Inven, plr2Inven, AINVEN_COUNT * sizeof(sItemBase));
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return true;
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}
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static void tradeOffer(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_OFFER* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER*)data->buf;
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CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
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if (otherSock == nullptr)
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return;
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Player* plr = PlayerManager::getPlayer(otherSock);
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if (plr->isTrading) {
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
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resp.iID_Request = pacdat->iID_To;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
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return; // prevent trading with a player already trading
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}
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER));
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}
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static void tradeOfferAccept(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT*)data->buf;
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CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
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if (otherSock == nullptr)
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return;
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Player* plr = PlayerManager::getPlayer(sock);
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Player* plr2 = PlayerManager::getPlayer(otherSock);
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if (plr2->isTrading) {
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
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resp.iID_Request = pacdat->iID_From;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
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return; // prevent trading with a player already trading
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}
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// clearing up trade slots
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plr->moneyInTrade = 0;
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plr2->moneyInTrade = 0;
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memset(&plr->Trade, 0, sizeof(plr->Trade));
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memset(&plr2->Trade, 0, sizeof(plr2->Trade));
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// marking players as traders
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plr->isTrading = true;
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plr2->isTrading = true;
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// marking players as unconfirmed
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plr->isTradeConfirm = false;
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plr2->isTradeConfirm = false;
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// inform the other player that offer is accepted
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_SUCC));
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}
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static void tradeOfferRefusal(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL* pacdat = (sP_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL*)data->buf;
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CNSocket* otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
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if (otherSock == nullptr)
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return;
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_OFFER_REFUSAL, sizeof(sP_FE2CL_REP_PC_TRADE_OFFER_REFUSAL));
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}
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static void tradeConfirm(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_CONFIRM* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM*)data->buf;
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CNSocket* otherSock; // weird flip flop because we need to know who the other player is
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if (pacdat->iID_Request == pacdat->iID_From)
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otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
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else
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otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
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if (otherSock == nullptr)
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return;
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Player* plr = PlayerManager::getPlayer(sock);
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Player* plr2 = PlayerManager::getPlayer(otherSock);
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if (!(plr->isTrading && plr2->isTrading)) { // both players must be trading
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
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resp.iID_Request = plr2->iID;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
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resp.iID_Request = plr->iID;
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
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// both players are no longer trading
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plr->isTrading = false;
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plr2->isTrading = false;
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plr->isTradeConfirm = false;
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plr2->isTradeConfirm = false;
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return;
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}
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// send the confirm packet
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
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if (!(plr2->isTradeConfirm)) {
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plr->isTradeConfirm = true;
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM));
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return;
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}
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// both players are no longer trading
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plr->isTrading = false;
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plr2->isTrading = false;
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plr->isTradeConfirm = false;
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plr2->isTradeConfirm = false;
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if (doTrade(plr, plr2)) { // returns false if not enough slots
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, resp2);
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resp2.iID_Request = pacdat->iID_Request;
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resp2.iID_From = pacdat->iID_From;
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resp2.iID_To = pacdat->iID_To;
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plr->money = plr->money + plr2->moneyInTrade - plr->moneyInTrade;
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resp2.iCandy = plr->money;
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memcpy(resp2.Item, plr2->Trade, sizeof(plr2->Trade));
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memcpy(resp2.ItemStay, plr->Trade, sizeof(plr->Trade));
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sock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
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plr2->money = plr2->money + plr->moneyInTrade - plr2->moneyInTrade;
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resp2.iCandy = plr2->money;
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memcpy(resp2.Item, plr->Trade, sizeof(plr->Trade));
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memcpy(resp2.ItemStay, plr2->Trade, sizeof(plr2->Trade));
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otherSock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_TRADE_CONFIRM_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_SUCC));
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} else {
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, resp);
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resp.iID_Request = plr->iID;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
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resp.iID_Request = plr2->iID;
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_ABORT, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_ABORT));
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INITSTRUCT(sP_FE2CL_GM_REP_PC_ANNOUNCE, msg);
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std::string text = "Trade Failed";
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U8toU16(text, msg.szAnnounceMsg, sizeof(msg.szAnnounceMsg));
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msg.iDuringTime = 3;
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sock->sendPacket(msg, P_FE2CL_GM_REP_PC_ANNOUNCE);
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otherSock->sendPacket(msg, P_FE2CL_GM_REP_PC_ANNOUNCE);
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return;
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}
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Database::commitTrade(plr, plr2);
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}
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static void tradeConfirmCancel(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL* pacdat = (sP_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL*)data->buf;
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CNSocket* otherSock; // weird flip flop because we need to know who the other player is
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if (pacdat->iID_Request == pacdat->iID_From)
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otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
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else
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otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
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if (otherSock == nullptr)
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return;
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Player* plr = PlayerManager::getPlayer(sock);
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Player* plr2 = PlayerManager::getPlayer(otherSock);
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// both players are not trading nor are in a confirmed state
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plr->isTrading = false;
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plr->isTradeConfirm = false;
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plr2->isTrading = false;
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plr2->isTradeConfirm = false;
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL, sizeof(sP_FE2CL_REP_PC_TRADE_CONFIRM_CANCEL));
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}
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static void tradeRegisterItem(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_REGISTER*)data->buf;
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if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
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return; // sanity check, there are only 5 trade slots
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CNSocket* otherSock; // weird flip flop because we need to know who the other player is
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if (pacdat->iID_Request == pacdat->iID_From)
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otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
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else
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otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
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if (otherSock == nullptr)
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return;
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Player* plr = PlayerManager::getPlayer(sock);
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Player* plr2 = PlayerManager::getPlayer(otherSock);
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plr->Trade[pacdat->Item.iSlotNum] = pacdat->Item;
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plr->isTradeConfirm = false;
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plr2->isTradeConfirm = false;
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// since you can spread items like gumballs over multiple slots, we need to count them all
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// to make sure the inventory shows the right value during trade.
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int count = 0;
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for (int i = 0; i < 5; i++) {
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if (plr->Trade[i].iInvenNum == pacdat->Item.iInvenNum)
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count += plr->Trade[i].iOpt;
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}
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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resp.TradeItem = pacdat->Item;
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resp.InvenItem = pacdat->Item;
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resp.InvenItem.iOpt = plr->Inven[pacdat->Item.iInvenNum].iOpt - count; // subtract this count
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if (resp.InvenItem.iOpt < 0) // negative count items, doTrade() will block this later on
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std::cout << "[WARN] tradeRegisterItem: an item went negative count client side." << std::endl;
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sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
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otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_ITEM_REGISTER_SUCC));
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}
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static void tradeUnregisterItem(CNSocket* sock, CNPacketData* data) {
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sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER*)data->buf;
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if (pacdat->Item.iSlotNum < 0 || pacdat->Item.iSlotNum > 4)
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return; // sanity check, there are only 5 trade slots
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CNSocket* otherSock; // weird flip flop because we need to know who the other player is
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if (pacdat->iID_Request == pacdat->iID_From)
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otherSock = PlayerManager::getSockFromID(pacdat->iID_To);
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else
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otherSock = PlayerManager::getSockFromID(pacdat->iID_From);
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if (otherSock == nullptr)
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return;
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Player* plr = PlayerManager::getPlayer(sock);
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Player* plr2 = PlayerManager::getPlayer(otherSock);
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plr->isTradeConfirm = false;
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plr2->isTradeConfirm = false;
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INITSTRUCT(sP_FE2CL_REP_PC_TRADE_ITEM_UNREGISTER_SUCC, resp);
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resp.iID_Request = pacdat->iID_Request;
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resp.iID_From = pacdat->iID_From;
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resp.iID_To = pacdat->iID_To;
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resp.TradeItem = pacdat->Item;
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resp.InvenItem = plr->Trade[pacdat->Item.iSlotNum];
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memset(&plr->Trade[pacdat->Item.iSlotNum], 0, sizeof(plr->Trade[pacdat->Item.iSlotNum])); // clean up item slot
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// since you can spread items like gumballs over multiple slots, we need to count them all
|
|
// 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;
|
|
}
|
|
|
|
resp.InvenItem.iOpt = plr->Inven[resp.InvenItem.iInvenNum].iOpt - count; // subtract this count
|
|
|
|
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));
|
|
}
|
|
|
|
static void tradeRegisterCash(CNSocket* sock, CNPacketData* data) {
|
|
sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER* pacdat = (sP_CL2FE_REQ_PC_TRADE_CASH_REGISTER*)data->buf;
|
|
|
|
Player* plr = PlayerManager::getPlayer(sock);
|
|
|
|
if (pacdat->iCandy < 0 || pacdat->iCandy > plr->money)
|
|
return; // famous glitch, begone
|
|
|
|
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* plr2 = PlayerManager::getPlayer(otherSock);
|
|
plr->isTradeConfirm = false;
|
|
plr2->isTradeConfirm = false;
|
|
|
|
INITSTRUCT(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, resp);
|
|
resp.iID_Request = pacdat->iID_Request;
|
|
resp.iID_From = pacdat->iID_From;
|
|
resp.iID_To = pacdat->iID_To;
|
|
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));
|
|
otherSock->sendPacket((void*)&resp, P_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC, sizeof(sP_FE2CL_REP_PC_TRADE_CASH_REGISTER_SUCC));
|
|
|
|
plr->moneyInTrade = pacdat->iCandy;
|
|
plr->isTradeConfirm = false;
|
|
}
|
|
|
|
void Trading::init() {
|
|
// Trade handlers
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER, tradeOffer);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_ACCEPT, tradeOfferAccept);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_OFFER_REFUSAL, tradeOfferRefusal);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM, tradeConfirm);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CONFIRM_CANCEL, tradeConfirmCancel);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_REGISTER, tradeRegisterItem);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_ITEM_UNREGISTER, tradeUnregisterItem);
|
|
REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_TRADE_CASH_REGISTER, tradeRegisterCash);
|
|
}
|