[Fix] Add trader/buyer cleanup actions (#4843)

* Add trader/buyer cleanup actions

Add trader/buyer db cleanup for
- on zone idle
- on client first login
- when world drops a zone connection
- in Client::ProcessMovePC

Cleanup several compiler warnings

* Formatting Updates

zone/client_packet.cpp

@@ -808,6 +808,13 @@ void Client::CompleteConnect()
 
 	/* This sub event is for if a player logs in for the first time since entering world. */
 	if (firstlogon == 1) {
+		TraderRepository::DeleteWhere(database, fmt::format("`char_id` = '{}'", CharacterID()));
+		BuyerRepository::DeleteBuyer(database, CharacterID());
+		LogTradingDetail(
+			"Removed trader abd buyer entries for Character ID {} on first logon to ensure table consistency.",
+			CharacterID()
+		);
+
 		RecordPlayerEventLog(PlayerEvent::WENT_ONLINE, PlayerEvent::EmptyEvent{});
 
 		if (parse->PlayerHasQuestSub(EVENT_CONNECT)) {
@@ -15567,7 +15574,9 @@ void Client::Handle_OP_TraderShop(const EQApplicationPacket *app)
 	switch (in->Code) {
 		case ClickTrader: {
 			LogTrading("Handle_OP_TraderShop case ClickTrader [{}]", in->Code);
-			auto outapp        = std::make_unique<EQApplicationPacket>(OP_TraderShop, sizeof(TraderClick_Struct));
+			auto outapp =
+				std::make_unique<EQApplicationPacket>(OP_TraderShop, static_cast<uint32>(sizeof(TraderClick_Struct))
+			);
 			auto data          = (TraderClick_Struct *) outapp->pBuffer;
 			auto trader_client = entity_list.GetClientByID(in->TraderID);
 

zone/entity.cpp

@@ -505,6 +505,9 @@ void EntityList::MobProcess()
 					zone->GetSecondsBeforeIdle(),
 					zone->GetSecondsBeforeIdle() != 1 ? "s" : ""
 				);
+
+				CheckToClearTraderAndBuyerTables();
+
 				mob_settle_timer->Disable();
 			}
 
@@ -2335,7 +2338,7 @@ void EntityList::QueueClientsGuild(const EQApplicationPacket *app, uint32 guild_
 void EntityList::QueueClientsGuildBankItemUpdate(GuildBankItemUpdate_Struct *gbius, uint32 guild_id)
 {
 	auto outapp = std::make_unique<EQApplicationPacket>(OP_GuildBank, sizeof(GuildBankItemUpdate_Struct));
-	auto data   = reinterpret_cast<GuildBankItemUpdate_Struct *>(outapp->pBuffer);
+	auto data = reinterpret_cast<GuildBankItemUpdate_Struct *>(outapp->pBuffer);
 
 	memcpy(data, gbius, sizeof(GuildBankItemUpdate_Struct));
 
@@ -6009,3 +6012,22 @@ void EntityList::RestoreCorpse(NPC *npc, uint32_t decay_time)
 		c->SetDecayTimer(decay_time);
 	}
 }
+
+void EntityList::CheckToClearTraderAndBuyerTables()
+{
+	if (zone->GetZoneID() == Zones::BAZAAR) {
+		TraderRepository::DeleteWhere(
+			database,
+			fmt::format(
+				"`char_zone_id` = {} AND `char_zone_instance_id` = {}", zone->GetZoneID(), zone->GetInstanceID()
+			)
+		);
+		BuyerRepository::DeleteBuyers(database, zone->GetZoneID(), zone->GetInstanceID());
+
+		LogTradingDetail(
+			"Removed trader and buyer entries for Zone ID [{}] and Instance ID [{}]",
+			zone->GetZoneID(),
+			zone->GetInstanceID()
+		);
+	}
+}

zone/entity.h

@@ -581,6 +581,7 @@ public:
 	void SendMerchantEnd(Mob* merchant);
 	void SendMerchantInventory(Mob* m, int32 slot_id = -1, bool is_delete = false);
 	void RestoreCorpse(NPC* npc, uint32_t decay_time);
+	void CheckToClearTraderAndBuyerTables();
 
 protected:
 	friend class Zone;

zone/trading.cpp

@@ -1351,12 +1351,12 @@ void Client::BuyTraderItem(TraderBuy_Struct *tbs, Client *Trader, const EQApplic
 		return;
 	}
 
-	auto in                          = (TraderBuy_Struct *) app->pBuffer;
-	auto outapp                      = std::make_unique<EQApplicationPacket>(OP_Trader, sizeof(TraderBuy_Struct));
-	auto outtbs                      = (TraderBuy_Struct *) outapp->pBuffer;
-	outtbs->item_id                  = tbs->item_id;
+	auto outapp     = std::make_unique<EQApplicationPacket>(OP_Trader, static_cast<uint32>(sizeof(TraderBuy_Struct)));
+	auto outtbs     = (TraderBuy_Struct *) outapp->pBuffer;
+	outtbs->item_id = tbs->item_id;
+
 	const EQ::ItemInstance *buy_item = nullptr;
-	uint32 item_id                   = 0;
+	uint32                  item_id  = 0;
 
 	if (ClientVersion() >= EQ::versions::ClientVersion::RoF) {
 		tbs->item_id = Strings::ToUnsignedBigInt(tbs->serial_number);
@@ -1557,15 +1557,15 @@ void Client::BuyTraderItem(TraderBuy_Struct *tbs, Client *Trader, const EQApplic
 
 void Client::SendBazaarWelcome()
 {
-	const auto results = TraderRepository::GetWelcomeData(database);
-	auto       outapp  = std::make_unique<EQApplicationPacket>(OP_BazaarSearch, sizeof(BazaarWelcome_Struct));
-	auto       data    = (BazaarWelcome_Struct *) outapp->pBuffer;
+	const auto          results = TraderRepository::GetWelcomeData(database);
+	EQApplicationPacket outapp(OP_BazaarSearch, static_cast<uint32>(sizeof(BazaarWelcome_Struct)));
+	auto                data = (BazaarWelcome_Struct *) outapp.pBuffer;
 
-	data->action  = BazaarWelcome;
-	data->traders = results.count_of_traders;
-	data->items   = results.count_of_items;
+	data->action             = BazaarWelcome;
+	data->traders            = results.count_of_traders;
+	data->items              = results.count_of_items;
 
-	QueuePacket(outapp.get());
+	QueuePacket(&outapp);
 }
 
 void Client::SendBarterWelcome()
@@ -1798,7 +1798,10 @@ void Client::SendBuyerResults(BarterSearchRequest_Struct& bsr)
 
 		{ ar(results); }
 
-		auto packet = std::make_unique<EQApplicationPacket>(OP_BuyerItems, ss.str().length() + sizeof(BuyerGeneric_Struct));
+		auto packet = std::make_unique<EQApplicationPacket>(
+			OP_BuyerItems,
+			static_cast<uint32>(ss.str().length()) + static_cast<uint32>(sizeof(BuyerGeneric_Struct))
+		);
 		auto emu    = (BuyerGeneric_Struct *) packet->pBuffer;
 
 		emu->action = Barter_BuyerSearch;
@@ -1851,7 +1854,10 @@ void Client::ShowBuyLines(const EQApplicationPacket *app)
 
 			{ ar(l); }
 
-			auto packet = std::make_unique<EQApplicationPacket>(OP_BuyerItems, ss.str().length() + sizeof(BuyerGeneric_Struct));
+			auto packet = std::make_unique<EQApplicationPacket>(
+				OP_BuyerItems,
+				static_cast<uint32>(ss.str().length()) + static_cast<uint32>(sizeof(BuyerGeneric_Struct))
+			);
 			auto emu    = (BuyerGeneric_Struct *) packet->pBuffer;
 
 			emu->action = Barter_BuyerInspectBegin;
@@ -2075,7 +2081,7 @@ void Client::SellToBuyer(const EQApplicationPacket *app)
 
 				auto server_packet = std::make_unique<ServerPacket>(
 					ServerOP_BuyerMessaging,
-					sizeof(BuyerMessaging_Struct)
+					static_cast<uint32>(sizeof(BuyerMessaging_Struct))
 				);
 
 				auto data = (BuyerMessaging_Struct *) server_packet->pBuffer;
@@ -2123,7 +2129,10 @@ void Client::SendBuyerPacket(Client* Buyer) {
 
 void Client::ToggleBuyerMode(bool status)
 {
-	auto outapp = std::make_unique<EQApplicationPacket>(OP_Barter, sizeof(BuyerSetAppearance_Struct));
+	auto outapp = std::make_unique<EQApplicationPacket>(
+		OP_Barter,
+		static_cast<uint32>(sizeof(BuyerSetAppearance_Struct))
+	);
 	auto data   = (BuyerSetAppearance_Struct *) outapp->pBuffer;
 
 	data->action    = Barter_BuyerAppearance;
@@ -2319,8 +2328,7 @@ void Client::ModifyBuyLine(const EQApplicationPacket *app)
 
 			auto packet = std::make_unique<EQApplicationPacket>(
 				OP_BuyerItems,
-				ss_customer.str().length() +
-				sizeof(BuyerGeneric_Struct)
+				static_cast<uint32>(ss_customer.str().length()) + static_cast<uint32>(sizeof(BuyerGeneric_Struct))
 			);
 			auto emu    = (BuyerGeneric_Struct *) packet->pBuffer;
 
@@ -2813,7 +2821,10 @@ void Client::DoBazaarInspect(BazaarInspect_Struct &in)
 
 void Client::SendBazaarDeliveryCosts()
 {
-	auto outapp = std::make_unique<EQApplicationPacket>(OP_BazaarSearch, sizeof(BazaarDeliveryCost_Struct));
+	auto outapp = std::make_unique<EQApplicationPacket>(
+		OP_BazaarSearch,
+		static_cast<uint32>(sizeof(BazaarDeliveryCost_Struct))
+	);
 	auto data   = (BazaarDeliveryCost_Struct *) outapp->pBuffer;
 
 	data->action                = DeliveryCostUpdate;
@@ -3074,7 +3085,9 @@ void Client::BuyTraderItemOutsideBazaar(TraderBuy_Struct *tbs, const EQApplicati
 		BazaarAuditTrail(tbs->seller_name, GetName(), buy_item->GetItem()->Name, tbs->quantity, tbs->price, 0);
 	}
 
-	auto out_server = std::make_unique<ServerPacket>(ServerOP_BazaarPurchase, sizeof(BazaarPurchaseMessaging_Struct));
+	auto out_server = std::make_unique<ServerPacket>(
+		ServerOP_BazaarPurchase, static_cast<uint32>(sizeof(BazaarPurchaseMessaging_Struct))
+	);
 	auto out_data   = (BazaarPurchaseMessaging_Struct *) out_server->pBuffer;
 
 	out_data->trader_buy_struct       = *tbs;
@@ -3111,7 +3124,7 @@ void Client::SendBuyerGreeting(uint32 buyer_id)
 
 void Client::SendSellerBrowsing(const std::string &browser)
 {
-	auto outapp = std::make_unique<EQApplicationPacket>(OP_Barter, sizeof(BuyerBrowsing_Struct));
+	auto outapp = std::make_unique<EQApplicationPacket>(OP_Barter, static_cast<uint32>(sizeof(BuyerBrowsing_Struct)));
 	auto eq     = (BuyerBrowsing_Struct *) outapp->pBuffer;
 
 	eq->action = Barter_SellerBrowsing;
@@ -3309,7 +3322,7 @@ void Client::SendWindowUpdatesToSellerAndBuyer(BuyerLineSellItem_Struct &blsi)
 	if (blsi.item_quantity - blsi.seller_quantity <= 0) {
 		auto outapp = std::make_unique<EQApplicationPacket>(
 			OP_BuyerItems,
-			sizeof(BuyerRemoveItemFromMerchantWindow_Struct)
+			static_cast<uint32>(sizeof(BuyerRemoveItemFromMerchantWindow_Struct))
 		);
 		auto data   = (BuyerRemoveItemFromMerchantWindow_Struct *) outapp->pBuffer;
 
@@ -3399,7 +3412,7 @@ void Client::SendBuyerToBarterWindow(Client *buyer, uint32 action)
 {
 	auto server_packet = std::make_unique<ServerPacket>(
 		ServerOP_BuyerMessaging,
-		sizeof(BuyerMessaging_Struct)
+		static_cast<uint32>(sizeof(BuyerMessaging_Struct))
 	);
 	auto data          = (BuyerMessaging_Struct *) server_packet->pBuffer;
 
@@ -3420,7 +3433,10 @@ void Client::SendBulkBazaarBuyers()
 		return;
 	}
 
-	auto outapp = std::make_unique<EQApplicationPacket>(OP_Barter, sizeof(BuyerAddBuyertoBarterWindow_Struct));
+	auto outapp = std::make_unique<EQApplicationPacket>(
+		OP_Barter,
+		static_cast<uint32>(sizeof(BuyerAddBuyertoBarterWindow_Struct))
+	);
 	auto emu    = (BuyerAddBuyertoBarterWindow_Struct *) outapp->pBuffer;
 
 	for (auto const &b: results) {
@@ -3663,11 +3679,11 @@ bool Client::ValidateBuyLineItems(std::map<uint32, BuylineItemDetails_Struct> &i
 
 int64 Client::ValidateBuyLineCost(std::map<uint32, BuylineItemDetails_Struct> &item_map)
 {
-	int64 proposed_total_cost = std::accumulate(
+	uint64 proposed_total_cost = std::accumulate(
 		item_map.cbegin(),
 		item_map.cend(),
-		0,
-		[](auto prev_sum, const std::pair<uint32, BuylineItemDetails_Struct> &x) {
+		static_cast<uint64>(0),
+		[](uint64 prev_sum, const std::pair<uint32, BuylineItemDetails_Struct> &x) {
 			return prev_sum + x.second.item_cost;
 		}
 	);

zone/worldserver.cpp

@@ -3794,7 +3794,7 @@ void WorldServer::HandleMessage(uint16 opcode, const EQ::Net::Packet &p)
 			}
 
 			auto item_sn = Strings::ToUnsignedBigInt(in->trader_buy_struct.serial_number);
-			auto outapp  = std::make_unique<EQApplicationPacket>(OP_Trader, sizeof(TraderBuy_Struct));
+			auto outapp  = std::make_unique<EQApplicationPacket>(OP_Trader, static_cast<uint32>(sizeof(TraderBuy_Struct)));
 			auto data    = (TraderBuy_Struct *) outapp->pBuffer;
 
 			memcpy(data, &in->trader_buy_struct, sizeof(TraderBuy_Struct));
@@ -3841,7 +3841,7 @@ void WorldServer::HandleMessage(uint16 opcode, const EQ::Net::Packet &p)
 				case Barter_AddToBarterWindow: {
 					auto outapp = std::make_unique<EQApplicationPacket>(
 						OP_Barter,
-						sizeof(BuyerAddBuyertoBarterWindow_Struct)
+						static_cast<uint32>(sizeof(BuyerAddBuyertoBarterWindow_Struct))
 					);
 					auto emu    = (BuyerAddBuyertoBarterWindow_Struct *) outapp->pBuffer;
 
@@ -3858,7 +3858,7 @@ void WorldServer::HandleMessage(uint16 opcode, const EQ::Net::Packet &p)
 				case Barter_RemoveFromBarterWindow: {
 					auto outapp = std::make_unique<EQApplicationPacket>(
 						OP_Barter,
-						sizeof(BuyerRemoveBuyerFromBarterWindow_Struct)
+						static_cast<uint32>(sizeof(BuyerRemoveBuyerFromBarterWindow_Struct))
 					);
 					auto emu    = (BuyerRemoveBuyerFromBarterWindow_Struct *) outapp->pBuffer;
 

zone/zoning.cpp

@@ -681,9 +681,20 @@ void Client::MoveZoneInstanceRaid(uint16 instance_id, const glm::vec4 &location)
 
 void Client::ProcessMovePC(uint32 zoneID, uint32 instance_id, float x, float y, float z, float heading, uint8 ignorerestrictions, ZoneMode zm)
 {
-	// From what I have read, dragged corpses should stay with the player for Intra-zone summons etc, but we can implement that later.
+	// From what I have read, dragged corpses should stay with the player for Intra-zone summons etc, but we can
+	// implement that later.
 	ClearDraggedCorpses();
 
+	// Added to ensure that if a player is moved (ported, gmmove, etc) and they are an active trader or buyer, they will
+	// be removed from future transactions.
+	if (IsTrader()) {
+		TraderEndTrader();
+	}
+
+	if (IsBuyer()) {
+		ToggleBuyerMode(false);
+	}
+
 	if(zoneID == 0)
 		zoneID = zone->GetZoneID();