CBitWriteMasksInit::CBitWriteMasksInit

/* CBitWriteMasksInit::CBitWriteMasksInit() */

void __thiscall CBitWriteMasksInit::CBitWriteMasksInit(CBitWriteMasksInit *this)

{
  int iVar1;
  int iVar2;
  int iVar3;
  int iVar4;
  
  iVar3 = 0;
  iVar4 = 0;
  do {
    iVar1 = (&GetBitForBitnum(int)::bitsForBitnum)[iVar4];
    iVar2 = 0;
    do {
      *(uint *)((int)&g_BitWriteMasks + iVar2 * 4 + iVar3) = iVar1 - 1U;
      if ((uint)(iVar2 + iVar4) < 0x20) {
        *(uint *)((int)&g_BitWriteMasks + iVar2 * 4 + iVar3) =
             -(&GetBitForBitnum(int)::bitsForBitnum)[iVar2 + iVar4] | iVar1 - 1U;
      }
      iVar2 = iVar2 + 1;
    } while (iVar2 != 0x21);
    iVar4 = iVar4 + 1;
    iVar3 = iVar3 + 0x84;
  } while (iVar4 != 0x20);
  iVar3 = 0;
  do {
    (&g_ExtraMasks)[iVar3] = (&GetBitForBitnum(int)::bitsForBitnum)[iVar3] + -1;
    iVar3 = iVar3 + 1;
  } while (iVar3 != 0x20);
  return;
}