Add time fast forward command (.debug timeff 1200 - forwards for 20 minutes)

gistfile1.patch

diff --git a/src/server/game/Server/WorldSession.cpp b/src/server/game/Server/WorldSession.cpp
index 253aeb9f6..b57812142 100644
--- a/src/server/game/Server/WorldSession.cpp
+++ b/src/server/game/Server/WorldSession.cpp
@@ -291,8 +291,8 @@ bool WorldSession::Update(uint32 diff, PacketFilter& updater)
     ///- Before we process anything:
     /// If necessary, kick the player because the client didn't send anything for too long
     /// (or they've been idling in character select)
-    if (sWorld->getBoolConfig(CONFIG_CLOSE_IDLE_CONNECTIONS) && IsConnectionIdle() && m_Socket)
-        m_Socket->CloseSocket();
+//    if (sWorld->getBoolConfig(CONFIG_CLOSE_IDLE_CONNECTIONS) && IsConnectionIdle() && m_Socket)
+//        m_Socket->CloseSocket();
 
     if (updater.ProcessUnsafe())
         UpdateTimeOutTime(diff);
diff --git a/src/server/game/Time/GameTime.cpp b/src/server/game/Time/GameTime.cpp
index 3dbcbc0f2..fa2935ad8 100644
--- a/src/server/game/Time/GameTime.cpp
+++ b/src/server/game/Time/GameTime.cpp
@@ -26,10 +26,12 @@ namespace GameTime
 
     Seconds GameTime = GetEpochTime();
     Milliseconds GameMSTime = 0ms;
+    Milliseconds injectedTime = 0ms;
 
     SystemTimePoint GameTimeSystemPoint = SystemTimePoint::min();
     TimePoint GameTimeSteadyPoint = TimePoint::min();
 
+
     Seconds GetStartTime()
     {
         return StartTime;
@@ -37,12 +39,12 @@ namespace GameTime
 
     Seconds GetGameTime()
     {
-        return GameTime;
+        return std::chrono::duration_cast<std::chrono::seconds>(GameTime+injectedTime);
     }
 
     Milliseconds GetGameTimeMS()
     {
-        return GameMSTime;
+        return GameMSTime+injectedTime;
     }
 
     SystemTimePoint GetSystemTime()
@@ -57,7 +59,12 @@ namespace GameTime
 
     Seconds GetUptime()
     {
-        return GameTime - StartTime;
+        return GetGameTime() - StartTime;
+    }
+
+    void AddInjectedTimeMs(uint64 ms)
+    {
+        injectedTime += std::chrono::milliseconds(ms);
     }
 
     void UpdateGameTimers()
diff --git a/src/server/game/Time/GameTime.h b/src/server/game/Time/GameTime.h
index 3350a14d4..818c30a55 100644
--- a/src/server/game/Time/GameTime.h
+++ b/src/server/game/Time/GameTime.h
@@ -41,6 +41,9 @@ namespace GameTime
     /// Uptime
     AC_GAME_API Seconds GetUptime();
 
+    AC_GAME_API void AddInjectedTimeMs(uint64 ms);
+
+
     /// Update all timers
     void UpdateGameTimers();
 }
diff --git a/src/server/game/World/IWorld.h b/src/server/game/World/IWorld.h
index 78eab7d7b..59aeedd82 100644
--- a/src/server/game/World/IWorld.h
+++ b/src/server/game/World/IWorld.h
@@ -526,6 +526,8 @@ enum Rates
 class IWorld
 {
 public:
+    virtual void InjectDiff(uint32 diff) = 0;
+
     virtual ~IWorld() = default;
     [[nodiscard]] virtual WorldSession* FindSession(uint32 id) const = 0;
     [[nodiscard]] virtual WorldSession* FindOfflineSession(uint32 id) const = 0;
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index a5af85143..18380c6fb 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -134,6 +134,7 @@ World::World()
     _mail_expire_check_timer = 0s;
     _isClosed = false;
     _cleaningFlags = 0;
+    _injectDiff = 0;
 
     memset(_rate_values, 0, sizeof(_rate_values));
     memset(_int_configs, 0, sizeof(_int_configs));
@@ -2249,6 +2250,12 @@ void World::DetectDBCLang()
 /// Update the World !
 void World::Update(uint32 diff)
 {
+    if (_injectDiff > 0) {
+        diff = _injectDiff;
+        GameTime::AddInjectedTimeMs(_injectDiff);
+        _injectDiff = 0;
+    }
+
     METRIC_TIMER("world_update_time_total");
 
     ///- Update the game time and check for shutdown time
diff --git a/src/server/game/World/World.h b/src/server/game/World/World.h
index daaa53e15..388224ee1 100644
--- a/src/server/game/World/World.h
+++ b/src/server/game/World/World.h
@@ -150,6 +150,9 @@ struct PetitionData
 class World: public IWorld
 {
 public:
+
+    void InjectDiff(uint32 diff) { _injectDiff = diff; }
+
     World();
     ~World() override;
 
@@ -438,6 +441,8 @@ private:
      * @param session The World Session that we are finalizing.
      */
     inline void FinalizePlayerWorldSession(WorldSession* session);
+
+    uint32 _injectDiff;
 };
 
 std::unique_ptr<IWorld>& getWorldInstance();
diff --git a/src/server/scripts/Commands/cs_debug.cpp b/src/server/scripts/Commands/cs_debug.cpp
index 286282bd3..b5f64d1de 100644
--- a/src/server/scripts/Commands/cs_debug.cpp
+++ b/src/server/scripts/Commands/cs_debug.cpp
@@ -104,7 +104,8 @@ public:
             { "moveflags",      HandleDebugMoveflagsCommand,           SEC_ADMINISTRATOR, Console::No },
             { "unitstate",      HandleDebugUnitStateCommand,           SEC_ADMINISTRATOR, Console::No },
             { "objectcount",    HandleDebugObjectCountCommand,         SEC_ADMINISTRATOR, Console::Yes},
-            { "dummy",          HandleDebugDummyCommand,               SEC_ADMINISTRATOR, Console::No }
+            { "dummy",          HandleDebugDummyCommand,               SEC_ADMINISTRATOR, Console::No },
+            { "timeff",         HandleDebugTimeFastForward,            SEC_ADMINISTRATOR, Console::Yes}
         };
         static ChatCommandTable commandTable =
         {
@@ -1346,6 +1347,12 @@ public:
         handler->SendSysMessage("This command does nothing right now. Edit your local core (cs_debug.cpp) to make it do whatever you need for testing.");
         return true;
     }
+
+    static bool HandleDebugTimeFastForward(ChatHandler* handler, uint32 seconds)
+    {
+        sWorld->InjectDiff(seconds * 1000);
+        return true;
+    }
 };
 
 void AddSC_debug_commandscript()