if (spellInfo->Attributes & 0xC000)
{
    if (isOutside(player))
    {
        if (spellInfo->Attributes & 0x4000)
            SpellError(SPELL_FAILED_ONLY_INDOORS);
    }
    else
    {
        if (spellInfo->Attributes & 0x8000)
        {
            for (int i = 0; i < 3; ++i)
            {
                if (spellInfo->Effect[i] == 6 &&
                    spellInfo->EffectApplyAuraName[i] == 78)
                    break;

            }
            if (i==3)
                SpellError(SPELL_FAILED_ONLY_OUTDOORS);
            else
                SpellError(SPELL_FAILED_NO_MOUNTS_ALLOWED);
        }
    }
}


char __fastcall isOutside(int player)
{
  return sub_66FF70(*(_DWORD *)(player + 244));
}

char __cdecl sub_66FF70(int a1)
{
  int v1; // ecx@1
  char result; // al@2
  char v3; // [sp+0h] [bp-Ch]@4
  char v4; // [sp+4h] [bp-8h]@4
  char v5; // [sp+8h] [bp-4h]@4

  v1 = a1;
  if ( a1 && *(_BYTE *)(a1 + 144) & 1 )
  {
    a1 = 0;
    if ( sub_6903D0(v1, (int)&v3, (int)&v4, (int)&v5, (int)&a1) )
      result = (*(_DWORD *)(a1 + 0x2C) >> 15) & 1;
    else
      result = 0;
  }
  else
  {
    result = 1;
  }
  return result;
}

signed int __thiscall sub_6903D0(int this, int a2, int a3, int a4, int a5)
{
  int v5; // eax@1
  int v6; // ebx@3
  int v7; // edi@5
  int v8; // esi@5
  int v9; // eax@8
  int v10; // eax@9
  int v12; // eax@12
  int v13; // edx@12
  int v14; // eax@12
  int v15; // eax@12
  int v16; // [sp+Ch] [bp-4h]@1

  v5 = *(_DWORD *)(this + 32);
  v16 = this;
  if ( !(v5 & 1) && v5 )
    v6 = v5;
  else
    v6 = 0;
  v7 = a5;
  v8 = a4;
  while ( !(v6 & 1) && v6 )
  {
    v9 = *(_DWORD *)(v6 + 8);
    if ( *(_BYTE *)(v9 + 8) & 0x10 )
    {
      *(_DWORD *)v8 = v9;
      v10 = *(_DWORD *)(v9 + 32);
      if ( v10 & 1 || !v10 )
        v10 = 0;
      v12 = *(_DWORD *)(v10 + 8);
      v13 = a3;
      *(_DWORD *)a2 = v12;
      v14 = *(_DWORD *)(v12 + 280);
      *(_DWORD *)v13 = v14;
      v15 = sub_69D240(v14, *(_DWORD *)(*(_DWORD *)v8 + 124), 0);
      *(_DWORD *)v7 = v15;
      if ( v15 )
        return 1;
      this = v16;
    }
    v6 = *(_DWORD *)(v6 + *(_DWORD *)(this + 24) + 4);
  }
  return 0;
}