From 4177c05ce345bdb2982c3033f19a1cb19d72788d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Viste=28=D0=9A=D0=B8=D1=80=D0=B8=D0=BB=D0=BB=29?=
 <viste02@gmail.com>
Date: Sun, 3 Mar 2019 14:10:43 +0300
Subject: [PATCH] feat(Core/Movement): Implement move time skipped handler 
 (#1433)

---
 src/server/game/Handlers/MiscHandler.cpp     |  8 -----
 src/server/game/Handlers/MovementHandler.cpp | 34 ++++++++++++++++++++
 2 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/src/server/game/Handlers/MiscHandler.cpp b/src/server/game/Handlers/MiscHandler.cpp
index ccaacf408..2dff62170 100644
--- a/src/server/game/Handlers/MiscHandler.cpp
+++ b/src/server/game/Handlers/MiscHandler.cpp
@@ -1136,14 +1136,6 @@ void WorldSession::HandleNextCinematicCamera(WorldPacket & /*recv_data*/)
 #endif
 }
 
-void WorldSession::HandleMoveTimeSkippedOpcode(WorldPacket & recv_data)
-{
-    uint64 guid;
-    uint32 time_skipped;
-    recv_data.readPackGUID(guid);
-    recv_data >> time_skipped;
-}
-
 void WorldSession::HandleFeatherFallAck(WorldPacket &recv_data)
 {
 #if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
diff --git a/src/server/game/Handlers/MovementHandler.cpp b/src/server/game/Handlers/MovementHandler.cpp
index e62bf28cf..546c2fc97 100644
--- a/src/server/game/Handlers/MovementHandler.cpp
+++ b/src/server/game/Handlers/MovementHandler.cpp
@@ -725,3 +725,37 @@ void WorldSession::HandleSummonResponseOpcode(WorldPacket& recvData)
     _player->SetSummonAsSpectator(false);
     _player->SummonIfPossible(agree, summoner_guid);
 }
+
+void WorldSession::HandleMoveTimeSkippedOpcode(WorldPacket& recvData)
+{
+#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
+    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_MOVE_TIME_SKIPPED");
+#endif
+    
+    uint64 guid;
+    uint32 timeSkipped;
+    recvData.readPackGUID(guid);
+    recvData >> timeSkipped;
+
+    Unit* mover = GetPlayer()->m_mover;
+
+    if (!mover)
+    {
+        sLog->outError("WorldSession::HandleMoveTimeSkippedOpcode wrong mover state from the unit moved by the player [" UI64FMTD "]", GetPlayer()->GetGUID());
+        return;
+    }
+
+    // prevent tampered movement data
+    if (guid != mover->GetGUID())
+    {
+        sLog->outError("WorldSession::HandleMoveTimeSkippedOpcode wrong guid from the unit moved by the player [" UI64FMTD "]", GetPlayer()->GetGUID());
+        return;
+    }
+
+    mover->m_movementInfo.time += timeSkipped;
+
+    WorldPacket data(MSG_MOVE_TIME_SKIPPED, recvData.size());
+    data.appendPackGUID(guid);
+    data << timeSkipped;
+    GetPlayer()->SendMessageToSet(&data, false);
+}