generate SOS intruder

signed int __fastcall sub_6FFBD4(int a1, pml::pokepara::CoreParam *a2, int a3)
{
  int v3; // r5@1
  pml::pokepara::CoreParam *v4; // r6@1
  int *v5; // r0@1
  int v6; // r0@2
  int v7; // r3@2
  int v8; // r0@2
  int v9; // r0@2
  int v10; // r0@2
  unsigned int v11; // r0@3
  unsigned int v12; // r4@4
  unsigned __int8 v13; // r0@13
  unsigned int v14; // r1@14
  unsigned int v15; // r0@14
  bool v16; // cf@14
  unsigned int v17; // r0@17
  signed int result; // r0@25

  v3 = a1;
  v4 = a2;
  sub_765850(*(a1 + 4), a3, 0);
  v5 = sub_7621F0(*(v3 + 8));
  if ( v5
    && (v6 = *v5,
        v7 = *(v3 + 12),
        Field::Encount::PokeSet::CheckEffectApplyIntruder(),
        v8 = *(v3 + 2521),
        v9 = *(v3 + 12),
        Field::Encount::PokeSet::SetupLotteryIntruderPokeParam(),
        v10) )
  {
    v11 = *(v3 + 2521);
    if ( v11 >= 5 )                             // get flawless IV count
    {
      if ( v11 >= 10 )
      {
        if ( v11 >= 20 )
        {
          if ( v11 >= 30 )
            v12 = 4;
          else
            v12 = 3;
        }
        else
        {
          v12 = 2;
        }
      }
      else
      {
        v12 = 1;
      }
    }
    else
    {
      v12 = 0;
    }
    while ( pml::pokepara::CoreParam::GetTalentPowerMaxNum(v4) < v12 )
    {
      v13 = gfl2::math::SFMTRandom::Next((v3 + 16), 6u);
      pml::pokepara::CoreParam::ChangeTalentPower(v4, v13, 31);
    }
    v14 = gfl2::math::SFMTRandom::Next((v3 + 16), 100u);
    v15 = *(v3 + 2521);
    v16 = v15 >= 5;
    if ( v15 >= 5 )
      v16 = v15 >= 10;
    if ( v16 )                                  // get hidden power rate
    {
      if ( v15 >= 20 )
      {
        if ( v15 >= 30 )
          v17 = 15;
        else
          v17 = 10;
      }
      else
      {
        v17 = 5;
      }
    }
    else
    {
      v17 = 0;
    }
    if ( v14 < v17 )                            // rand(100) < rate
      pml::pokepara::CoreParam::SetTokuseiIndex(v4, 2u);// hidden abil
    result = 1;                                 // pkm generated
  }
  else
  {
    result = 0;
  }
  return result;
}