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Make sure a vendor is actually selling the item a player wants to buy
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bb12a60e04
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0accd1f345
@ -13,8 +13,25 @@ static void vendorBuy(CNSocket* sock, CNPacketData* data) {
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INITSTRUCT(sP_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL, failResp);
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failResp.iErrorCode = 0;
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Items::Item* itemDat = Items::getItemData(req->Item.iID, req->Item.iType);
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if (req->iVendorID != req->iNPC_ID || Vendors::VendorTables.find(req->iVendorID) == Vendors::VendorTables.end()) {
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std::cout << "[WARN] Vendor with ID " << req->iVendorID << " mismatched or not found (buy)" << std::endl;
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sock->sendPacket(failResp, P_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL);
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return;
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}
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std::vector<VendorListing>* listings = &Vendors::VendorTables[req->iVendorID];
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VendorListing reqItem;
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reqItem.id = req->Item.iID;
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reqItem.type = req->Item.iType;
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reqItem.sort = 0; // just to be safe
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if (std::find(listings->begin(), listings->end(), reqItem) == listings->end()) { // item not found in listing
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std::cout << "[WARN] Player " << PlayerManager::getPlayerName(plr) << " tried to buy an item that wasn't on sale" << std::endl;
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sock->sendPacket(failResp, P_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL);
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return;
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}
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Items::Item* itemDat = Items::getItemData(req->Item.iID, req->Item.iType);
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if (itemDat == nullptr) {
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std::cout << "[WARN] Item id " << req->Item.iID << " with type " << req->Item.iType << " not found (buy)" << std::endl;
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sock->sendPacket(failResp, P_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL);
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@ -202,13 +219,13 @@ static void vendorTable(CNSocket* sock, CNPacketData* data) {
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if (req->iVendorID != req->iNPC_ID || Vendors::VendorTables.find(req->iVendorID) == Vendors::VendorTables.end())
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return;
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std::vector<VendorListing> listings = Vendors::VendorTables[req->iVendorID];
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std::vector<VendorListing>& listings = Vendors::VendorTables[req->iVendorID];
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INITSTRUCT(sP_FE2CL_REP_PC_VENDOR_TABLE_UPDATE_SUCC, resp);
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for (int i = 0; i < (int)listings.size() && i < 20; i++) { // 20 is the max
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sItemBase base;
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base.iID = listings[i].iID;
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base.iID = listings[i].id;
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base.iOpt = 0;
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base.iTimeLimit = 0;
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base.iType = listings[i].type;
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@ -7,7 +7,12 @@
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#include "PlayerManager.hpp"
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struct VendorListing {
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int sort, type, iID;
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int sort, type, id;
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// when validating a listing, we don't really care about the sorting index
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bool operator==(const VendorListing& other) const {
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return type == other.type && id == other.id;
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}
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};
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namespace Vendors {
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