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Disallow attaching the same item to an email twice
Also fix vendor buying validation not allowing crates to be bought, since apparently their maximum stack size is 0 in TableData.
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commit
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@ -750,6 +750,7 @@ void BuddyManager::emailSend(CNSocket* sock, CNPacketData* data) {
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bool invalid = false;
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int itemCount = 0;
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std::set<int> seen;
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for (int i = 0; i < 4; i++) {
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int slot = pkt->aItem[i].iSlotNum;
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if (slot < 0 || slot >= AINVEN_COUNT) {
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@ -763,9 +764,16 @@ void BuddyManager::emailSend(CNSocket* sock, CNPacketData* data) {
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if (item->iID == 0)
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continue;
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// was the same item added multiple times?
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if (seen.count(slot) > 0) {
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invalid = true;
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break;
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}
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seen.insert(slot);
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itemCount++;
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if (item->iType != real->iType || item->iID != real->iID
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|| item->iOpt < 0 || item->iOpt > real->iOpt) {
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|| item->iOpt <= 0 || item->iOpt > real->iOpt) {
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invalid = true;
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break;
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}
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@ -135,7 +135,13 @@ void NPCManager::npcVendorBuy(CNSocket* sock, CNPacketData* data) {
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int itemCost = itemDat->buyPrice * (itemDat->stackSize > 1 ? req->Item.iOpt : 1);
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int slot = ItemManager::findFreeSlot(plr);
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if (itemCost > plr->money || slot == -1 || req->Item.iOpt > itemDat->stackSize) {
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if (itemCost > plr->money || slot == -1) {
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sock->sendPacket((void*)&failResp, P_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL, sizeof(sP_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL));
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return;
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}
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// crates don't have a stack size in TableData, so we can't check those
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if (itemDat->stackSize != 0 && req->Item.iOpt > itemDat->stackSize) {
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sock->sendPacket((void*)&failResp, P_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL, sizeof(sP_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL));
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return;
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}
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