*Fix a crash in Object.h

*Fix action button saving
*Fix a crash on item swap in guild bank
*Fix exploit moving after death in Unit.cpp
*Fix assert fail at grid load in Creature.cpp
Thanks Sisif for these! :)

--HG--
branch : trunk

src/game/Creature.cpp

@@ -1537,7 +1537,13 @@ bool Creature::LoadFromDB(uint32 guid, Map *map)
     }
 
     m_DBTableGuid = guid;
-    if (map->GetInstanceId() != 0) guid = objmgr.GenerateLowGuid(HIGHGUID_UNIT);
+    if (map->GetInstanceId() == 0)
+    {
+        if (map->GetCreature(MAKE_NEW_GUID(guid,data->id,HIGHGUID_UNIT)))
+            return false;
+    }
+    else
+        guid = objmgr.GenerateLowGuid(HIGHGUID_UNIT);
 
     uint16 team = 0;
     if(!Create(guid,map,data->phaseMask,data->id,0,team,data->posX,data->posY,data->posZ,data->orientation,data))

src/game/GuildHandler.cpp

@@ -1074,7 +1074,7 @@ void WorldSession::HandleGuildBankSwapItems( WorldPacket & recv_data )
         recv_data >> unk2;                                  // always 0
         recv_data >> SplitedAmount;
 
-        if (BankTabSlotDst >= GUILD_BANK_MAX_SLOTS || (BankTabDst == BankTab && BankTabSlotDst == BankTabSlot))
+        if (BankTabSlotDst >= GUILD_BANK_MAX_SLOTS || (BankTabDst == BankTab && BankTabSlotDst == BankTabSlot) || BankTab >= GUILD_BANK_MAX_TABS)
         {
             recv_data.rpos(recv_data.wpos());               // prevent additional spam at rejected packet
             return;
@@ -1100,7 +1100,7 @@ void WorldSession::HandleGuildBankSwapItems( WorldPacket & recv_data )
             recv_data >> SplitedAmount;
         }
 
-        if (BankTabSlot >= GUILD_BANK_MAX_SLOTS && BankTabSlot != 0xFF)
+        if ((BankTabSlot >= GUILD_BANK_MAX_SLOTS && BankTabSlot != 0xFF) || BankTab >= GUILD_BANK_MAX_TABS)
         {
             recv_data.rpos(recv_data.wpos());               // prevent additional spam at rejected packet
             return;

src/game/Object.h

@@ -518,7 +518,10 @@ class TRINITY_DLL_SPEC WorldObject : public Object, public WorldLocation
 
         bool IsInMap(const WorldObject* obj) const
         {
-            return IsInWorld() && obj->IsInWorld() && (GetMap() == obj->GetMap()) && InSamePhase(obj);
+            if (obj)
+                return IsInWorld() && obj->IsInWorld() && (GetMap() == obj->GetMap()) && InSamePhase(obj);
+            else
+                return false;
         }
         bool IsWithinDist3d(float x, float y, float z, float dist) const
             { return IsInDist(x, y, z, dist + GetObjectSize()); }

src/game/Player.h

@@ -169,7 +169,7 @@ struct ActionButton
     void SetActionAndType(uint32 action, ActionButtonType type)
     {
         uint32 newData = action | (uint32(type) << 24);
-        if (newData != packedData)
+        if (newData != packedData || uState == ACTIONBUTTON_DELETED)
         {
             packedData = newData;
             if (uState != ACTIONBUTTON_NEW)

src/game/Unit.cpp

@@ -11176,6 +11176,7 @@ void Unit::setDeathState(DeathState s)
         GetMotionMaster()->Clear(false);
         GetMotionMaster()->MoveIdle();
         if(m_vehicleKit) m_vehicleKit->Die();
+        StopMoving();
         //without this when removing IncreaseMaxHealth aura player may stuck with 1 hp
         //do not why since in IncreaseMaxHealth currenthealth is checked
         SetHealth(0);