extended opcode disabled by default. current locale is sent to server on login, bot protection exception

modules/client_extended/extended.lua

@@ -7,7 +7,7 @@ local callbacks = {}
 local function onExtendedOpcode(protocol, opcode, buffer)
   local callback = callbacks[opcode]
   if callback then
-    callback(opcode, buffer)
+    callback(protocol, opcode, buffer)
   end
 end
 

modules/client_extended/extended.otmod

@@ -1,6 +1,6 @@
 Module
-  name: gamelib_extended
+  name: client_extended
-  description: Manage client extended messages
+  description: Manage client extended messages callbacks
   author: baxnie
   website: www.otclient.info
 

modules/client_locales/locales.lua

@@ -10,10 +10,33 @@ local currentLocale
 local localeComboBox
 
 -- private functions
+local function sendLocale(localeName)
+  local protocolGame = g_game.getProtocolGame()
+  if protocolGame then
+    protocolGame:sendExtendedOpcode(0, localeName)
+    return true
+  end
+  return false
+end
+
 local function onLocaleComboBoxOptionChange(self, optionText, optionData)
-  Locales.setLocale(optionData)
+  if Locales.setLocale(optionData) then
-  Settings.set('locale', optionData)
+    Settings.set('locale', optionData)
-  reloadModules()
+    sendLocale(currentLocale.name)
+    reloadModules()
+  end
+end
+
+-- hooked functions
+local function onGameStart()
+  sendLocale(currentLocale.name)
+end
+
+local function onServerSetLocale(protocol, opcode, buffer)
+  local locale = installedLocales[buffer]
+  if locale then
+    localeComboBox:setCurrentOption(locale.languageName)
+  end
 end
 
 -- public functions
@@ -24,9 +47,9 @@ function Locales.init()
 
   local userLocaleName = Settings.get('locale')
   if userLocaleName and Locales.setLocale(userLocaleName)then
-    print('Using configured locale: ' .. userLocaleName)
+    info('Using configured locale: ' .. userLocaleName)
   else
-    print('Using default locale: ' .. defaultLocaleName)
+    info('Using default locale: ' .. defaultLocaleName)
     Locales.setLocale(defaultLocaleName)
     Settings.set('locale', defaultLocaleName)
   end
@@ -39,12 +62,17 @@ function Locales.init()
               localeComboBox:setCurrentOption(currentLocale.languageName)
               localeComboBox.onOptionChange = onLocaleComboBoxOptionChange
             end, false)
+
+  Extended.register(0, onServerSetLocale)
+  connect(g_game, { onGameStart = onGameStart })
 end
 
 function Locales.terminate()
   installedLocales = nil
   currentLocale = nil
   localeComboBox = nil
+  Extended.unregister(0)
+  disconnect(g_game, { onGameStart = onGameStart })
 end
 
 function Locales.installLocale(locale)

modules/client_locales/locales.otmod

@@ -5,6 +5,7 @@ Module
   website: www.otclient.info
 
   dependencies:
+    - client_extended
     - client_topmenu
 
   @onLoad: |

modules/game/game.otmod

@@ -5,7 +5,7 @@ Module
   website: www.otclient.info
 
   dependencies:
-    - gamelib_extended
+    - client_extended
     - game_tibiafiles
     - client_background
     //- game_shaders

src/otclient/CMakeLists.txt

@@ -5,6 +5,7 @@ ENDIF(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 6)
 
 # otclient options
 OPTION(BOT_PROTECTION "Enable bot protection" ON)
+OPTION(EXTENDED_OPCODE "Enable extended opcode" OFF)
 SET(PROTOCOL 860 CACHE "Protocol version" STRING)
 OPTION(CIPSOFT_RSA "Use cipsoft RSA to login into original tibia" OFF)
 ADD_DEFINITIONS(-DPROTOCOL=${PROTOCOL})
@@ -24,6 +25,13 @@ ELSE(BOT_PROTECTION)
     MESSAGE(STATUS "Bot protection: OFF")
 ENDIF(BOT_PROTECTION)
 
+IF(EXTENDED_OPCODE)
+    ADD_DEFINITIONS(-DEXTENDED_OPCODE)
+    MESSAGE(STATUS "Extended opcode: ON")
+ELSE(EXTENDED_OPCODE)
+    MESSAGE(STATUS "Extended opcode: OFF")
+ENDIF(EXTENDED_OPCODE)
+
 SET(otclient_SOURCES ${otclient_SOURCES}
     # otclient
     ${CMAKE_CURRENT_LIST_DIR}/otclient.cpp

src/otclient/core/game.cpp

@@ -42,6 +42,11 @@ Game::Game()
 
 void Game::resetGameStates()
 {
+#ifdef BOT_PROTECTION
+    m_denyBotCall = true;
+#else
+    m_denyBotCall = false;
+#endif
     m_dead = false;
     m_serverBeat = 50;
     m_canReportBugs = false;
@@ -114,8 +119,10 @@ void Game::processGameStart(const LocalPlayerPtr& localPlayer, int serverBeat, b
     // synchronize fight modes with the server
     m_protocolGame->sendChangeFightModes(m_fightMode, m_chaseMode, m_safeFight);
 
-    // NOTE: the entire map description and local player information is not known yet
+    // NOTE: the entire map description and local player information is not known yet (bot call is allowed here)
+    enableBotCall();
     g_lua.callGlobalField("g_game", "onGameStart");
+    disableBotCall();
 }
 
 void Game::processGameEnd()
@@ -991,14 +998,12 @@ void Game::mount(bool mount)
 
 bool Game::checkBotProtection()
 {
-#ifdef BOT_PROTECTION
     // accepts calls comming from a stacktrace containing only C++ functions,
     // if the stacktrace contains a lua function, then only accept if the engine is processing an input event
-    if(g_lua.isInCppCallback() && !g_app->isOnInputEvent()) {
+    if(g_lua.isInCppCallback() && !g_app->isOnInputEvent() && m_denyBotCall) {
         logError(g_lua.traceback("caught a lua call to a bot protected game function, the call was canceled"));
         return false;
     }
-#endif
     return true;
 }
 

src/otclient/core/game.h

@@ -232,6 +232,8 @@ public:
     bool canPerformGameAction();
     bool canReportBugs() { return m_canReportBugs; }
     bool checkBotProtection();
+    void enableBotCall() { m_denyBotCall = false; }
+    void disableBotCall() { m_denyBotCall = true; }
 
     bool isOnline() { return !!m_localPlayer; }
     bool isDead() { return m_dead; }
@@ -261,6 +263,7 @@ private:
     std::map<int, ContainerPtr> m_containers;
     std::map<int, Vip> m_vips;
 
+    bool m_denyBotCall;
     bool m_dead;
     int m_serverBeat;
     Otc::FightModes m_fightMode;

src/otclient/net/protocolgameparse.cpp

@@ -1212,11 +1212,13 @@ void ProtocolGame::parseExtendedOpcode(const InputMessagePtr& msg)
     int opcode = msg->getU8();
     std::string buffer = msg->getString();
 
+#ifdef EXTENDED_OPCODE
     try {
         callLuaField("onExtendedOpcode", opcode, buffer);
     } catch(Exception& e) {
         logError("Network exception in extended opcode ", opcode, ": ", e.what());
     }
+#endif
 }
 
 void ProtocolGame::setMapDescription(const InputMessagePtr& msg, int x, int y, int z, int width, int height)

src/otclient/net/protocolgamesend.cpp

@@ -33,11 +33,13 @@ void ProtocolGame::safeSend(const OutputMessagePtr& outputMessage)
 
 void ProtocolGame::sendExtendedOpcode(uint8 opcode, const std::string& buffer)
 {
+#ifdef EXTENDED_OPCODE
     OutputMessagePtr msg(new OutputMessage);
     msg->addU8(Proto::ClientExtendedOpcode);
     msg->addU8(opcode);
     msg->addString(buffer);
     safeSend(msg);
+#endif
 }
 
 void ProtocolGame::sendLoginPacket(uint challangeTimestamp, uint8 challangeRandom)