Improve walk when lagging

src/client/game.cpp

@@ -99,6 +99,11 @@ void Game::resetGameStates()
         m_walkEvent = nullptr;
     }
 
+    if(m_checkConnectionEvent) {
+        m_checkConnectionEvent->cancel();
+        m_checkConnectionEvent = nullptr;
+    }
+
     m_containers.clear();
     m_vips.clear();
     m_gmActions.clear();
@@ -183,6 +188,16 @@ void Game::processGameStart()
             g_game.ping();
         }, m_pingDelay);
     }
+
+    m_checkConnectionEvent = g_dispatcher.cycleEvent([this] {
+        if(!g_game.isConnectionOk() && !m_connectionFailWarned) {
+            g_lua.callGlobalField("g_game", "onConnectionFailing", true);
+            m_connectionFailWarned = true;
+        } else if(g_game.isConnectionOk() && m_connectionFailWarned) {
+            g_lua.callGlobalField("g_game", "onConnectionFailing", false);
+            m_connectionFailWarned = false;
+        }
+    }, 1000);
 }
 
 void Game::processGameEnd()
@@ -190,6 +205,11 @@ void Game::processGameEnd()
     m_online = false;
     g_lua.callGlobalField("g_game", "onGameEnd");
 
+    if(m_connectionFailWarned) {
+        g_lua.callGlobalField("g_game", "onConnectionFailing", false);
+        m_connectionFailWarned = false;
+    }
+
     // reset game state
     resetGameStates();
 
@@ -551,6 +571,7 @@ bool Game::walk(Otc::Direction direction)
 
     // check we can walk and add new walk event if false
     if(!m_localPlayer->canWalk(direction)) {
+        /*
         if(m_lastWalkDir != direction) {
             // must add a new walk event
             float ticks = m_localPlayer->getStepTicksLeft();
@@ -562,6 +583,7 @@ bool Game::walk(Otc::Direction direction)
             }
             m_walkEvent = g_dispatcher.scheduleEvent([=] { walk(direction); }, ticks);
         }
+        */
         return false;
     }
 
@@ -697,15 +719,16 @@ void Game::autoWalk(std::vector<Otc::Direction> dirs)
 
     auto it = dirs.begin();
     Otc::Direction direction = *it;
-    if(m_localPlayer->canWalk(direction)) {
-        TilePtr toTile = g_map.getTile(m_localPlayer->getPosition().translatedToDirection(direction));
-        if(toTile && toTile->isWalkable() && !m_localPlayer->isServerWalking()) {
-            m_localPlayer->preWalk(direction);
+    if(!m_localPlayer->canWalk(direction))
+        return;
 
-            if(getFeature(Otc::GameForceFirstAutoWalkStep)) {
-                forceWalk(direction);
-                dirs.erase(it);
-            }
+    TilePtr toTile = g_map.getTile(m_localPlayer->getPosition().translatedToDirection(direction));
+    if(toTile && toTile->isWalkable() && !m_localPlayer->isServerWalking()) {
+        m_localPlayer->preWalk(direction);
+
+        if(getFeature(Otc::GameForceFirstAutoWalkStep)) {
+            forceWalk(direction);
+            dirs.erase(it);
         }
     }
 

src/client/game.h

@@ -231,7 +231,7 @@ public:
     void openRuleViolation(const std::string& reporter);
     void closeRuleViolation(const std::string& reporter);
     void cancelRuleViolation();
-    
+
     // reports
     void reportBug(const std::string& comment);
     void reportRuleViolation(const std::string& target, int reason, int action, const std::string& comment, const std::string& statement, int statementId, bool ipBanishment);
@@ -281,6 +281,7 @@ public:
     bool isDead() { return m_dead; }
     bool isAttacking() { return !!m_attackingCreature; }
     bool isFollowing() { return !!m_followingCreature; }
+    bool isConnectionOk() { return m_protocolGame && m_protocolGame->getElapsedTicksSinceLastRead() < 5000; }
 
     int getPing() { return m_ping >= 0 ? std::max(m_ping, m_pingTimer.elapsed_millis()) : -1; }
     ContainerPtr getContainer(int index) { return m_containers[index]; }
@@ -340,6 +341,8 @@ private:
     std::bitset<Otc::LastGameFeature> m_features;
     ScheduledEventPtr m_pingEvent;
     ScheduledEventPtr m_walkEvent;
+    ScheduledEventPtr m_checkConnectionEvent;
+    bool m_connectionFailWarned;
     int m_protocolVersion;
     int m_clientVersion;
     std::string m_clientSignature;

src/client/localplayer.cpp

@@ -83,7 +83,7 @@ bool LocalPlayer::canWalk(Otc::Direction direction)
         return false;
 
     // cannot walk while already walking
-    if(m_walking && !prewalkTimeouted)
+    if(m_walking && (!prewalkTimeouted || m_secondPreWalk))
         return false;
 
     return true;
@@ -95,6 +95,7 @@ void LocalPlayer::walk(const Position& oldPos, const Position& newPos)
     if(m_preWalking) {
         // switch to normal walking
         m_preWalking = false;
+        m_secondPreWalk = false;
         m_lastPrewalkDone = true;
         // if is to the last prewalk destination, updates the walk preserving the animation
         if(newPos == m_lastPrewalkDestination) {
@@ -118,7 +119,8 @@ void LocalPlayer::preWalk(Otc::Direction direction)
     Position newPos = m_position.translatedToDirection(direction);
 
     // avoid reanimating prewalks
-    if(m_preWalking && m_lastPrewalkDestination == newPos) {
+    if(m_preWalking) {
+        m_secondPreWalk = true;
         return;
     }
 
@@ -277,6 +279,7 @@ void LocalPlayer::terminateWalk()
 {
     Creature::terminateWalk();
     m_preWalking = false;
+    m_secondPreWalk = false;
     m_idleTimer.restart();
 
     auto self = asLocalPlayer();

src/client/localplayer.h

@@ -126,6 +126,7 @@ private:
     ticks_t m_walkLockExpiration;
     stdext::boolean<false> m_preWalking;
     stdext::boolean<true> m_lastPrewalkDone;
+    stdext::boolean<false> m_secondPreWalk;
     stdext::boolean<false> m_serverWalking;
     stdext::boolean<false> m_knownCompletePath;
 

src/client/luafunctions.cpp

@@ -230,6 +230,7 @@ void Client::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_game", "isDead", &Game::isDead, &g_game);
     g_lua.bindSingletonFunction("g_game", "isAttacking", &Game::isAttacking, &g_game);
     g_lua.bindSingletonFunction("g_game", "isFollowing", &Game::isFollowing, &g_game);
+    g_lua.bindSingletonFunction("g_game", "isConnectionOk", &Game::isConnectionOk, &g_game);
     g_lua.bindSingletonFunction("g_game", "getPing", &Game::getPing, &g_game);
     g_lua.bindSingletonFunction("g_game", "getContainer", &Game::getContainer, &g_game);
     g_lua.bindSingletonFunction("g_game", "getContainers", &Game::getContainers, &g_game);

src/framework/net/connection.cpp

@@ -125,7 +125,7 @@ void Connection::write(uint8* buffer, size_t size)
             m_outputStream = std::shared_ptr<asio::streambuf>(new asio::streambuf);
 
         m_delayedWriteTimer.cancel();
-        m_delayedWriteTimer.expires_from_now(boost::posix_time::milliseconds(1));
+        m_delayedWriteTimer.expires_from_now(boost::posix_time::milliseconds(10));
         m_delayedWriteTimer.async_wait(std::bind(&Connection::onCanWrite, asConnection(), std::placeholders::_1));
     }
 
@@ -215,6 +215,7 @@ void Connection::onResolve(const boost::system::error_code& error, asio::ip::bas
 void Connection::onConnect(const boost::system::error_code& error)
 {
     m_readTimer.cancel();
+    m_activityTimer.restart();
 
     if(error == asio::error::operation_aborted)
         return;
@@ -263,6 +264,7 @@ void Connection::onWrite(const boost::system::error_code& error, size_t writeSiz
 void Connection::onRecv(const boost::system::error_code& error, size_t recvSize)
 {
     m_readTimer.cancel();
+    m_activityTimer.restart();
 
     if(error == asio::error::operation_aborted)
         return;

src/framework/net/connection.h

@@ -61,6 +61,7 @@ public:
     boost::system::error_code getError() { return m_error; }
     bool isConnecting() { return m_connecting; }
     bool isConnected() { return m_connected; }
+    ticks_t getElapsedTicksSinceLastRead() { return m_connected ? m_activityTimer.elapsed_millis() : -1; }
 
     ConnectionPtr asConnection() { return static_self_cast<Connection>(); }
 
@@ -91,6 +92,7 @@ protected:
     bool m_connected;
     bool m_connecting;
     boost::system::error_code m_error;
+    stdext::timer m_activityTimer;
 
     friend class Server;
 };

src/framework/net/protocol.h

@@ -42,6 +42,8 @@ public:
 
     bool isConnected();
     bool isConnecting();
+    ticks_t getElapsedTicksSinceLastRead() { return m_connection ? m_connection->getElapsedTicksSinceLastRead() : -1; }
+
     ConnectionPtr getConnection() { return m_connection; }
     void setConnection(const ConnectionPtr& connection) { m_connection = connection; }