[ServerList]: Check for duplicates (#820)

src/Components/Modules/Auth.cpp

@@ -471,7 +471,7 @@ namespace Components
 				}
 				else
 				{
-					const auto level = static_cast<uint32_t>(atoi(params->get(1)));
+					const auto level = std::strtoul(params->get(1), nullptr, 10);
 					Auth::IncreaseSecurityLevel(level);
 				}
 			});

src/Components/Modules/Bots.cpp

@@ -167,8 +167,10 @@ namespace Components
 			Scheduler::Once([]
 			{
 				auto* ent = Game::SV_AddTestClient();
-				if (ent == nullptr)
+				if (!ent)
+				{
 					return;
+				}
 
 				Scheduler::Once([ent]
 				{
@@ -232,7 +234,7 @@ namespace Components
 
 			const auto* weapon = Game::Scr_GetString(0);
 
-			if (weapon == nullptr || weapon[0] == '\0')
+			if (!weapon || !*weapon)
 			{
 				g_botai[entref.entnum].weapon = 1;
 				return;
@@ -255,7 +257,7 @@ namespace Components
 
 			const auto* action = Game::Scr_GetString(0);
 
-			if (action == nullptr)
+			if (!action)
 			{
 				Game::Scr_ParamError(0, "^1BotAction: Illegal parameter!");
 				return;
@@ -305,8 +307,10 @@ namespace Components
 
 	void Bots::BotAiAction(Game::client_t* cl)
 	{
-		if (cl->gentity == nullptr)
+		if (!cl->gentity)
+		{
 			return;
+		}
 
 		const auto entnum = cl->gentity->s.number;
 

src/Components/Modules/GSC/Script.cpp

@@ -205,7 +205,7 @@ namespace Components::GSC
 	{
 		assert(ent);
 
-		if (ent->client == nullptr)
+		if (!ent->client)
 		{
 			Game::Scr_ObjectError(Utils::String::VA("Entity %i is not a player", ent->s.number));
 			return nullptr;

src/Components/Modules/GSC/Script.hpp

@@ -28,7 +28,7 @@ namespace Components::GSC
 			assert(entref.entnum < Game::MAX_GENTITIES);
 
 			auto* ent = &Game::g_entities[entref.entnum];
-			if (ent->client == nullptr)
+			if (!ent->client)
 			{
 				Game::Scr_ObjectError(Utils::String::VA("entity %i is not a player", entref.entnum));
 				return nullptr;

src/Components/Modules/GSC/ScriptPatches.cpp

@@ -34,7 +34,7 @@ namespace Components::GSC
 
 		const auto* table = Game::DB_FindXAssetHeader(Game::ASSET_TYPE_STRINGTABLE, fileName).stringTable;
 
-		if (table == nullptr)
+		if (!table)
 		{
 			Game::Scr_ParamError(0, Utils::String::VA("%s does not exist", fileName));
 			return;

src/Components/Modules/GSC/ScriptStorage.cpp

@@ -14,7 +14,7 @@ namespace Components::GSC
 			const auto* key = Game::Scr_GetString(0);
 			const auto* value = Game::Scr_GetString(1);
 
-			if (key == nullptr || value == nullptr)
+			if (!key || !value)
 			{
 				Game::Scr_Error("^1StorageSet: Illegal parameters!");
 				return;
@@ -27,7 +27,7 @@ namespace Components::GSC
 		{
 			const auto* key = Game::Scr_GetString(0);
 
-			if (key == nullptr)
+			if (!key)
 			{
 				Game::Scr_ParamError(0, "^1StorageRemove: Illegal parameter!");
 				return;
@@ -46,7 +46,7 @@ namespace Components::GSC
 		{
 			const auto* key = Game::Scr_GetString(0);
 
-			if (key == nullptr)
+			if (!key)
 			{
 				Game::Scr_ParamError(0, "^1StorageGet: Illegal parameter!");
 				return;
@@ -65,7 +65,7 @@ namespace Components::GSC
 		{
 			const auto* key = Game::Scr_GetString(0);
 
-			if (key == nullptr)
+			if (!key)
 			{
 				Game::Scr_ParamError(0, "^1StorageHas: Illegal parameter!");
 				return;

src/Components/Modules/GSC/UserInfo.cpp

@@ -52,7 +52,7 @@ namespace Components::GSC
 			const auto* ent = Game::GetPlayerEntity(entref);
 			const auto* name = Game::Scr_GetString(0);
 
-			if (name == nullptr)
+			if (!name)
 			{
 				Game::Scr_ParamError(0, "^1SetName: Illegal parameter!");
 				return;
@@ -77,7 +77,7 @@ namespace Components::GSC
 			const auto* ent = Game::GetPlayerEntity(entref);
 			const auto* clanName = Game::Scr_GetString(0);
 
-			if (clanName == nullptr)
+			if (!clanName)
 			{
 				Game::Scr_ParamError(0, "^1SetClanTag: Illegal parameter!");
 				return;

src/Components/Modules/Logger.cpp

@@ -96,7 +96,7 @@ namespace Components
 		++(*Game::com_errorPrintsCount);
 		MessagePrint(channel, msg);
 
-		if (Game::cls->uiStarted != 0 && (*Game::com_fixedConsolePosition == 0))
+		if (Game::cls->uiStarted && (*Game::com_fixedConsolePosition == 0))
 		{
 			Game::CL_ConsoleFixPosition();
 		}

src/Components/Modules/Security.cpp

@@ -55,7 +55,7 @@ namespace Components
 			}
 
 			const auto* dvar = Game::Dvar_FindVar(name);
-			if (dvar == nullptr)
+			if (!dvar)
 			{
 				// If it's not a dvar let it continue
 				Game::CL_SelectStringTableEntryInDvar_f();

src/Components/Modules/ServerList.cpp

@@ -194,7 +194,7 @@ namespace Components
 		auto* list = GetList();
 		if (!list) return;
 
-		std::vector tempList(*list);
+		const std::vector tempList(*list);
 
 		if (tempList.empty())
 		{
@@ -209,7 +209,7 @@ namespace Components
 			RefreshContainer.sendCount = 0;
 			RefreshContainer.sentCount = 0;
 
-			for (auto& server : tempList)
+			for (const auto& server : tempList)
 			{
 				InsertRequest(server.addr);
 			}
@@ -274,13 +274,7 @@ namespace Components
 	void ServerList::Refresh([[maybe_unused]] const UIScript::Token& token, [[maybe_unused]] const Game::uiInfo_s* info)
 	{
 		Dvar::Var("ui_serverSelected").set(false);
-		//Localization::Set("MPUI_SERVERQUERIED", "Sent requests: 0/0");
 
-#if 0
-		OnlineList.clear();
-		OfflineList.clear();
-		FavouriteList.clear();
-#endif
 		auto* list = GetList();
 		if (list) list->clear();
 
@@ -320,7 +314,7 @@ namespace Components
 			RefreshContainer.awaitTime = Game::Sys_Milliseconds();
 			RefreshContainer.host = Network::Address(std::format("{}:{}", masterServerName, masterPort));
 
-			Logger::Print("Sending serverlist request to master\n");
+			Logger::Print("Sending server list request to master\n");
 			Network::SendCommand(RefreshContainer.host, "getservers", std::format("IW4 {} full empty", PROTOCOL));
 		}
 		else if (IsFavouriteList())
@@ -417,8 +411,6 @@ namespace Components
 		if (list) list->clear();
 		
 		RefreshVisibleListInternal(UIScript::Token(), nullptr);
-		
-		Game::ShowMessageBox("Server removed from favourites.", "Success");
 	}
 
 	void ServerList::LoadFavourties()
@@ -471,7 +463,7 @@ namespace Components
 		container.sent = false;
 		container.target = address;
 
-		bool alreadyInserted = false;
+		auto alreadyInserted = false;
 		for (auto &server : RefreshContainer.servers)
 		{
 			if (server.target == container.target)
@@ -510,8 +502,12 @@ namespace Components
 		for (auto i = RefreshContainer.servers.begin(); i != RefreshContainer.servers.end();)
 		{
 			// Our desired server
-			if ((i->target == address) && i->sent)
+			if ((i->target != address) || !i->sent)
 			{
+				++i;
+				continue;
+			}
+
 			// Challenge did not match
 			if (i->challenge != info.get("challenge"))
 			{
@@ -540,6 +536,9 @@ namespace Components
 			server.ping = (Game::Sys_Milliseconds() - i->sendTime);
 			server.addr = address;
 
+			std::hash<ServerInfo> hashFn;
+			server.hash = hashFn(server);
+
 			server.hostname = TextRenderer::StripMaterialTextIcons(server.hostname);
 			server.mapname = TextRenderer::StripMaterialTextIcons(server.mapname);
 			server.gametype = TextRenderer::StripMaterialTextIcons(server.gametype);
@@ -550,7 +549,7 @@ namespace Components
 
 			// Servers with more than 18 players or less than 0 players are faking for sure
 			// So lets ignore those
-				if (server.clients > 18 || server.maxClients > 18 || server.clients < 0 || server.maxClients < 0)
+			if (static_cast<std::size_t>(server.clients) > Game::MAX_CLIENTS || static_cast<std::size_t>(server.maxClients) > Game::MAX_CLIENTS)
 			{
 				return;
 			}
@@ -593,16 +592,14 @@ namespace Components
 			{
 				auto* lList = GetList();
 				if (lList)
+				{
+					if (!IsServerDuplicate(lList, server))
 					{
 						lList->push_back(server);
 						RefreshVisibleListInternal(UIScript::Token(), nullptr);
 					}
 				}
 			}
-			else
-			{
-				++i;
-			}
 		}
 	}
 
@@ -626,7 +623,7 @@ namespace Components
 			}
 			catch (const std::exception& ex)
 			{
-				Logger::Warning(Game::CON_CHANNEL_CONSOLEONLY, "{} while performing numeric comparison between {} and {}\n", ex.what(), subVersions1[i], subVersions2[i]);
+				Logger::PrintError(Game::CON_CHANNEL_ERROR, "{} while performing numeric comparison between {} and {}\n", ex.what(), subVersions1[i], subVersions2[i]);
 				return false;
 			}
 		}
@@ -634,6 +631,19 @@ namespace Components
 		return true;
 	}
 
+	bool ServerList::IsServerDuplicate(const std::vector<ServerInfo>* list, const ServerInfo& server)
+	{
+		for (auto l = list->begin(); l != list->end(); ++l)
+		{
+			if (l->hash == server.hash)
+			{
+				return true;
+			}
+		}
+
+		return false;
+	}
+
 	ServerList::ServerInfo* ServerList::GetCurrentServer()
 	{
 		return GetServer(CurrentServer);
@@ -730,6 +740,7 @@ namespace Components
 			}
 		}
 
+		const auto challenge = Utils::Cryptography::Rand::GenerateChallenge();
 		auto requestLimit = NETServerQueryLimit.get<int>();
 		for (std::size_t i = 0; i < RefreshContainer.servers.size() && requestLimit > 0; ++i)
 		{
@@ -741,14 +752,11 @@ namespace Components
 			requestLimit--;
 
 			server->sendTime = Game::Sys_Milliseconds();
-			server->challenge = Utils::Cryptography::Rand::GenerateChallenge();
+			server->challenge = challenge;
 
 			++RefreshContainer.sentCount;
 
 			Network::SendCommand(server->target, "getinfo", server->challenge);
-
-			// Display in the menu, like in CoD4 - Disabled to avoid spamming?
-			//Localization::Set("MPUI_SERVERQUERIED", Utils::String::VA("Sent requests: %d/%d", ServerList::RefreshContainer.sentCount, ServerList::RefreshContainer.sendCount));
 		}
 
 		UpdateVisibleInfo();
@@ -784,17 +792,17 @@ namespace Components
 
 	void ServerList::UpdateVisibleInfo()
 	{
-		static int servers = 0;
+		static auto servers = 0;
-		static int players = 0;
+		static auto players = 0;
-		static int bots = 0;
+		static auto bots = 0;
 
-		auto list = GetList();
+		auto* list = GetList();
 
 		if (list)
 		{
-			int newSevers = list->size();
+			auto newSevers = static_cast<int>(list->size());
-			int newPlayers = 0;
+			auto newPlayers = 0;
-			int newBots = 0;
+			auto newBots = 0;
 
 			for (std::size_t i = 0; i < list->size(); ++i)
 			{
@@ -808,7 +816,7 @@ namespace Components
 				players = newPlayers;
 				bots = newBots;
 
-				Localization::Set("MPUI_SERVERQUERIED", Utils::String::VA("Servers: %i\nPlayers: %i (%i)", servers, players, bots));
+				Localization::Set("MPUI_SERVERQUERIED", std::format("Servers: {}\nPlayers: {} ({})", servers, players, bots));
 			}
 		}
 	}
@@ -960,18 +968,6 @@ namespace Components
 			}
 		});
 
-#ifdef _DEBUG
-		Command::Add("playerCount", [](Command::Params*)
-		{
-			auto count = 0;
-			for (const auto& server : OnlineList)
-			{
-				count += server.clients;
-			}
-
-			Logger::Debug("There are {} players playing", count);
-		});
-#endif
 		// Add required ownerDraws
 		UIScript::AddOwnerDraw(220, UpdateSource);
 		UIScript::AddOwnerDraw(253, UpdateGameType);
@@ -980,7 +976,7 @@ namespace Components
 		Scheduler::Loop(Frame, Scheduler::Pipeline::CLIENT);
 	}
 
-	ServerList::~ServerList()
+	void ServerList::preDestroy()
 	{
 		std::lock_guard _(RefreshContainer.mutex);
 		RefreshContainer.awatingList = false;

src/Components/Modules/ServerList.hpp

@@ -10,15 +10,15 @@ namespace Components
 	public:
 		typedef int(SortCallback)(const void*, const void*);
 
-		class ServerInfo
+		struct ServerInfo
 		{
-		public:
 			Network::Address addr;
 			std::string hostname;
 			std::string mapname;
 			std::string gametype;
 			std::string mod;
 			std::string shortversion;
+			std::size_t hash;
 			int clients;
 			int bots;
 			int maxClients;
@@ -33,7 +33,8 @@ namespace Components
 		};
 
 		ServerList();
-		~ServerList();
+		
+		void preDestroy() override;
 
 		static void Refresh([[maybe_unused]] const UIScript::Token& token, [[maybe_unused]] const Game::uiInfo_s* info);
 		static void RefreshVisibleList([[maybe_unused]] const UIScript::Token& token, [[maybe_unused]] const Game::uiInfo_s* info);
@@ -138,6 +139,7 @@ namespace Components
 		static ServerInfo* GetServer(unsigned int index);
 
 		static bool CompareVersion(const std::string& version1, const std::string& version2);
+		static bool IsServerDuplicate(const std::vector<ServerInfo>* list, const ServerInfo& server);
 
 		static int SortKey;
 		static bool SortAsc;
@@ -159,3 +161,20 @@ namespace Components
 		static bool IsServerListOpen();
 	};
 }
+
+template <>
+struct std::hash<Components::ServerList::ServerInfo>
+{
+	std::size_t operator()(const Components::ServerList::ServerInfo& x) const noexcept
+	{
+		std::size_t hash = 0;
+
+		hash ^= std::hash<std::string>()(x.hostname);
+		hash ^= std::hash<std::string>()(x.mapname);
+		hash ^= std::hash<std::string>()(x.mod);
+		hash ^= std::hash<std::uint32_t>()(*reinterpret_cast<const std::uint32_t*>(&x.addr.getIP().bytes[0]));;
+		hash ^= x.clients;
+
+		return hash;
+	}
+};

src/DllMain.cpp

@@ -56,7 +56,7 @@ BOOL APIENTRY DllMain(HINSTANCE /*hinstDLL*/, DWORD fdwReason, LPVOID /*lpvReser
 
 #ifndef DEBUG_BINARY_CHECK
 		const auto* binary = reinterpret_cast<const char*>(0x6F9358);
-		if (binary == nullptr || std::memcmp(binary, BASEGAME_NAME, 14) != 0)
+		if (!binary || std::memcmp(binary, BASEGAME_NAME, 14) != 0)
 #endif
 		{
 			MessageBoxA(nullptr, 

src/STDInclude.hpp

@@ -29,6 +29,7 @@
 #include <cctype>
 #include <chrono>
 #include <cmath>
+#include <cstring>
 #include <filesystem>
 #include <format>
 #include <fstream>

src/Steam/Interfaces/SteamUser.cpp

@@ -22,11 +22,11 @@ namespace Steam
 
 		if (!idBits)
 		{
-			if (Components::Dedicated::IsEnabled() || Components::ZoneBuilder::IsEnabled()) // Dedi guid
+			if (Components::ZoneBuilder::IsEnabled())
 			{
 				idBits = *reinterpret_cast<unsigned __int64*>(const_cast<char*>("DEDICATE"));
 			}
-			else if (Components::Singleton::IsFirstInstance()) // ECDSA guid
+			else if (Components::Singleton::IsFirstInstance() && !Components::Dedicated::IsEnabled()) // ECDSA guid
 			{
 				idBits = Components::Auth::GetKeyHash();
 			}

src/Utils/Cryptography.cpp

@@ -18,12 +18,14 @@ namespace Utils
 
 		std::string Rand::GenerateChallenge()
 		{
-			std::string challenge;
+			char buffer[512]{};
-			challenge.append(String::VA("%X", GenerateInt()));
+			int buffer_pos = 0;
-			challenge.append(String::VA("%X", ~timeGetTime() ^ GenerateInt()));
-			challenge.append(String::VA("%X", GenerateInt()));
 
-			return challenge;
+			buffer_pos += sprintf_s(&buffer[buffer_pos], sizeof(buffer) - buffer_pos, "%X", GenerateInt());
+			buffer_pos += sprintf_s(&buffer[buffer_pos], sizeof(buffer) - buffer_pos, "%X", ~timeGetTime() ^ GenerateInt());
+			buffer_pos += sprintf_s(&buffer[buffer_pos], sizeof(buffer) - buffer_pos, "%X", GenerateInt());
+
+			return std::string(buffer, static_cast<std::size_t>(buffer_pos));
 		}
 
 		std::uint32_t Rand::GenerateInt()