*Try to fix the bug of visibility update.

--HG--
branch : trunk

src/game/Player.cpp

@@ -1735,6 +1735,9 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
 
             ResetContestedPvP();
 
+            DestroyForNearbyPlayers();
+            m_clientGUIDs.clear();
+
             // remove player from battleground on far teleport (when changing maps)
             if(BattleGround const* bg = GetBattleGround())
             {

src/game/Unit.cpp

@@ -9967,15 +9967,11 @@ bool Unit::canDetectStealthOf(Unit const* target, float distance) const
     return distance < visibleDistance;
 }
 
-void Unit::SetVisibility(UnitVisibility x)
+void Unit::DestroyForNearbyPlayers()
 {
-    m_Visibility = x;
+    if(!IsInWorld())
+        return;
 
-    if(IsInWorld())
-        SetToNotify();
-
-    if(x == VISIBILITY_GROUP_STEALTH)
-    {
     std::list<Unit*> targets;
     Trinity::AnyUnitInObjectRangeCheck check(this, World::GetMaxVisibleDistance());
     Trinity::UnitListSearcher<Trinity::AnyUnitInObjectRangeCheck> searcher(targets, check);
@@ -9987,15 +9983,17 @@ void Unit::SetVisibility(UnitVisibility x)
             DestroyForPlayer((Player*)(*iter));
             ((Player*)(*iter))->m_clientGUIDs.erase(GetGUID());
         }
-    }
-    /*{
-        Map *m = GetMap();
+}
 
-        if(GetTypeId()==TYPEID_PLAYER)
-            m->PlayerRelocation((Player*)this,GetPositionX(),GetPositionY(),GetPositionZ(),GetOrientation());
-        else
-            m->CreatureRelocation((Creature*)this,GetPositionX(),GetPositionY(),GetPositionZ(),GetOrientation());
-    }*/
+void Unit::SetVisibility(UnitVisibility x)
+{
+    m_Visibility = x;
+
+    if(IsInWorld())
+        SetToNotify();
+
+    if(x == VISIBILITY_GROUP_STEALTH)
+        DestroyForNearbyPlayers();
 }
 
 void Unit::UpdateSpeed(UnitMoveType mtype, bool forced)

src/game/Unit.h

@@ -1214,6 +1214,7 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         // Visibility system
         UnitVisibility GetVisibility() const { return m_Visibility; }
         void SetVisibility(UnitVisibility x);
+        void DestroyForNearbyPlayers();
 
         // common function for visibility checks for player/creatures with detection code
         virtual bool canSeeOrDetect(Unit const* u, bool detect, bool inVisibleList = false, bool is3dDistance = true) const;

src/game/WorldSession.cpp

@@ -255,6 +255,8 @@ void WorldSession::LogoutPlayer(bool Save)
         // Remove any possession of this player on logout
         _player->RemoveCharmedOrPossessedBy(NULL);
 
+        _player->DestroyForNearbyPlayers();
+
         if (uint64 lguid = GetPlayer()->GetLootGUID())
             DoLootRelease(lguid);