hash man

int __cdecl sub_82AFC0(int a1, int a2)
{
  int v2; // ebx@1
  int v3; // esi@1
  int result; // eax@2
  unsigned int v5; // esi@5
  int v6; // edx@10
  int v7; // esi@10
  signed int v8; // eax@10
  int v9; // ecx@10
  int AnotherHash; // edi@10
  unsigned int v11; // ecx@11
  unsigned int v12; // ecx@11
  int v13; // edi@13
  int v14; // ecx@13
  int v15; // eax@13
  int v16; // [sp+8h] [bp-8h]@10
  int v17; // [sp+18h] [bp+8h]@10
  int v18; // [sp+1Ch] [bp+Ch]@10
  int Hash; // [sp+1Ch] [bp+Ch]@11

  v2 = a1;
  v3 = *(_DWORD *)(a1 + 16);
  if ( !*(_BYTE *)(a1 + 6) )
  {
    result = sub_81E3B0(a1, a2 - 16, -1);
    if ( result )
      return result;
    goto LABEL_10;
  }
  *(_BYTE *)(a1 + 6) = 0;
  if ( !*(_BYTE *)(**(_DWORD **)v3 + 6) )
  {
    *(_DWORD *)(a1 + 20) = *(_DWORD *)(v3 + 12);
LABEL_10:
    v16 = ***(_DWORD ***)(a1 + 16) + 20 - *(_DWORD *)(***(_DWORD ***)(a1 + 16) + 20);
    v17 = (a1 + *(_DWORD *)(a1 + 12) + 44) ^ *(_DWORD *)(a1 + *(_DWORD *)(a1 + 12) + 44);
    v6 = *(_DWORD *)(v16 + 40);
    v7 = *(_BYTE *)(v16 + 80)
       + ((*(_BYTE *)(v16 + 83) + ((*(_BYTE *)(v16 + 82) + (*(_BYTE *)(v16 + 81) << 8)) << 8)) << 8);
    v8 = *(_DWORD *)(v16 + 52);
    v9 = *(_DWORD *)(v16 + 60);
    v18 = -1395309893 * v6 - 1838748549 * v7 - 1993746777 * v9 - 1125194579 * v8;
    AnotherHash = 476035360 * v6 + 1546808719 * v9 - 706264423 * v8 - 2088292391 * v7;
    if ( v8 <= 8 )                              // calculate from proto size members sizek, sizep, etc
    {
      Hash = AnotherHash ^ v18;
    }
    else
    {
      v11 = *(_DWORD *)(v16 + 36) + 4 * ((v18 + 4) % (unsigned int)(v8 - 4));
      Hash = ((unsigned int)(v17 * *(_DWORD *)(v16 + 36 + v11 + 4)) >> 26)
           + ((unsigned int)(v17 * *(_DWORD *)(v16 + 36 + v11 + 8)) >> 26)
           + ((unsigned int)(v17 * *(_DWORD *)(v11 + v16 + 36 + 12)) >> 26)
           + v18
           + ((unsigned int)(v17 * *(_DWORD *)(v16 + 36 + v11)) >> 26);
      v12 = *(_DWORD *)(v16 + 36) + 4 * ((AnotherHash + 4) % (unsigned int)(v8 - 4));
      AnotherHash += ((unsigned int)(v17 * *(_DWORD *)(v16 + 36 + v12 + 4)) >> 26)
                   + ((unsigned int)(v17 * *(_DWORD *)(v12 + v16 + 36 + 8)) >> 26)
                   + ((unsigned int)(v17 * *(_DWORD *)(v12 + v16 + 36 + 12)) >> 26)
                   + ((unsigned int)(v17 * *(_DWORD *)(v16 + 36 + v12)) >> 26);
    }
    v13 = *(_DWORD *)(v16 + 72) * (AnotherHash | 1);
    v14 = __ROL4__(v13, 11);
    v15 = __ROR4__(v13, 7);
    if ( Hash != (v13 ^ v15 ^ v14) )            // Decrypt the hash from proto members and check if isnt same
      aB0grixozwxq0[-2] = (LPVOID)((unsigned int)aB0grixozwxq0[-2] | 0x200);
    return sub_8221A0(v2, (*(_DWORD *)(v2 + 16) - *(_DWORD *)(v2 + 36)) / 24);
  }
  v5 = v3 - *(_DWORD *)(a1 + 36) - 24;
  result = sub_81E310(a1, a2);
  if ( result )
  {
    result = *(_DWORD *)(*(_DWORD *)(a1 + 16) + 8);
    *(_DWORD *)(a1 + 8) = result;
  }
  if ( v5 >= 0x18 )
    goto LABEL_10;
  return result;
}