char __fastcall CWorld::EnterWorld(
        CWorld *this,
        CCreature *creature,
        FVector *AppearingPos,
        unsigned int AppearingZoneID,
        bool isByLogin,
        bool isByDirectMoveZone)
{
  CWorld *v9; // rbx
  CCreature_vtbl *v11; // rax
  User *v12; // r14
  FVector *v13; // rax
  CWorld *v14; // rax
  CGeoData *v15; // rax
  CUserSocket *v16; // rsi
  CUserSocket_vtbl *v17; // rdi
  CWorld *v18; // rax
  FVector *v19; // rax
  FVector v20; // [rsp+40h] [rbp-48h] BYREF

  v9 = this;
  if ( !creature )
  {
    CLog::Add(&Log, 2, "creature null at file[%s], line[%d]", "world_server.cpp", 1962);
    return 0;
  }
  if ( !creature->m_data )
  {
    CLog::Add(&Log, 2, "creature data null at file[%s], line[%d]", "world_server.cpp", 1968);
    return 0;
  }
  v11 = creature->__vftable;
  creature->m_bIsRestarting = 0;
  if ( v11->IsPC(creature) )
  {
    creature->m_data->m_bIsActive = 1;
    v12 = creature->CastUser(creature);
    v12->SendUserInfo(v12, 0i64, 0i64);
    User::SendVitalityEffectInfo(v12, 0i64);
    if ( g_nCheckCastleId == 2 )
    {
      if ( v12->m_AreaMod.m_bIsInBattleField )
      {
        v13 = v12->GetPos(v12, &v20);
        v12->m_nCurCastleId = CCastle::GetBattleFieldCastleId(v13);
      }
      else
      {
        v12->m_nCurCastleId = 0;
      }
    }
    if ( isByLogin )
    {
      v12->OnActivate(v12);
      AppearingPos->z = AppearingPos->z + 5.0;
      if ( v12->m_data->m_moveType != CMT_FLY && !v12->m_AreaMod.m_bIsUnderWater )
      {
        v14 = CWorld::Inst();
        v15 = v14->GetGeo(v14);
        AppearingPos->z = (double)(int)CGeoData::FindGround(
                                         v15,
                                         (int)AppearingPos->x,
                                         (int)AppearingPos->y,
                                         (int)AppearingPos->z);
        CSharedObject::SetPos(v12->m_data, AppearingPos);
      }
    }
    User::SendQuestList(v12, 0i64);
    if ( g_bFreeOpenServer )
    {
      v16 = v12->GetSocket(v12);
      v17 = v16->__vftable;
      User::CheckPremiumType(v12, PUT_FREE_USER);
      v17->Send(v16, "chdc", 254i64);
      v9 = this;
    }
  }
  v18 = CWorld::Inst();
  if ( !CWorld::IsValidPosition(v18, (int)AppearingPos->x, (int)AppearingPos->y) )
  {
    CLog::Add(
      &Log,
      2,
      "invalid position (%d, %d) at file[%s], line[%d]",
      (unsigned int)(int)AppearingPos->x,
      (int)AppearingPos->y,
      "world_server.cpp",
      2029);
    return 0;
  }
  creature->m_nBeforeEnterWorldTick = GetTickCount();
  if ( !isByDirectMoveZone )
  {
    creature->AddRef(creature, "world_server.cpp", 2036i64, ORT_SERIALIZED_WORLD_THREAD);
    FVector::FVector(&v20, AppearingPos);
    CWorld::AsyncEnterWorld(v9, creature, v19, AppearingZoneID, isByLogin);
  }
  return 1;
}