old_bf_read::ReadBitCoordMP

/* old_bf_read::ReadBitCoordMP(EBitCoordType) */

longdouble __thiscall old_bf_read::ReadBitCoordMP(old_bf_read *this,int param_2)

{
  old_bf_read oVar1;
  byte bVar2;
  byte bVar3;
  uint uVar4;
  uint uVar5;
  uint uVar6;
  char cVar7;
  int iVar8;
  int iVar9;
  uint uVar10;
  int iVar11;
  bool bVar12;
  bool bVar13;
  bool bVar14;
  float fVar15;
  double dVar16;
  double dVar17;
  double dVar18;
  uint local_1c;
  
  uVar6 = *(uint *)(this + 0xc);
  uVar10 = *(uint *)(this + 8);
  uVar4 = uVar6;
  if ((int)uVar6 < (int)uVar10) {
    oVar1 = this[0x10];
    if (oVar1 == (old_bf_read)0x0) {
      iVar8 = *(int *)this;
      bVar2 = *(byte *)(iVar8 + ((int)uVar6 >> 3));
      uVar4 = uVar6 + 1;
      *(uint *)(this + 0xc) = uVar4;
      bVar12 = ((uint)bVar2 & 1 << ((byte)uVar6 & 7)) != 0;
      if (param_2 != 2) {
        if ((int)uVar10 <= (int)uVar4) goto LAB_00b66c12;
        uVar5 = uVar6 + 2;
        bVar2 = *(byte *)(iVar8 + ((int)uVar4 >> 3));
        *(uint *)(this + 0xc) = uVar5;
        bVar13 = ((uint)bVar2 & 1 << ((byte)uVar4 & 7)) != 0;
        uVar4 = uVar5;
        if ((int)uVar10 <= (int)uVar5) goto LAB_00b66c19;
        uVar6 = uVar6 + 3;
        bVar2 = *(byte *)(iVar8 + ((int)uVar5 >> 3));
        *(uint *)(this + 0xc) = uVar6;
        bVar14 = ((uint)bVar2 & 1 << ((byte)uVar5 & 7)) != 0;
        if (!bVar13) goto LAB_00b66c2f;
        goto LAB_00b66b85;
      }
    }
    else {
      if (param_2 != 2) {
        bVar14 = false;
        goto LAB_00b66c2f;
      }
      bVar12 = false;
    }
  }
  else {
    this[0x10] = (old_bf_read)0x1;
    bVar12 = false;
    if (param_2 != 2) {
LAB_00b66c12:
      bVar13 = false;
LAB_00b66c19:
      uVar6 = uVar4;
      this[0x10] = (old_bf_read)0x1;
      bVar14 = false;
      if (bVar13) {
LAB_00b66b85:
        iVar8 = (int)uVar6 >> 5;
        if (bVar12) {
          uVar4 = uVar6 + 0xb;
          if ((int)uVar10 < (int)uVar4) goto LAB_00b66dd8;
          local_1c = *(uint *)(*(int *)this + iVar8 * 4);
          *(uint *)(this + 0xc) = uVar4;
          local_1c = local_1c >> ((byte)uVar6 & 0x1f);
          if (iVar8 != (int)(uVar6 + 10) >> 5) {
            uVar5 = uVar4 & 0x1f;
            cVar7 = '\v';
            uVar6 = *(uint *)(*(int *)this + 4 + iVar8 * 4) & (&g_ExtraMasks)[uVar5];
            goto LAB_00b66be8;
          }
          dVar18 = (double)(int)((local_1c & DAT_0104428c) + 1);
          uVar6 = uVar4;
        }
        else {
          uVar4 = uVar6 + 0xe;
          if ((int)uVar10 < (int)uVar4) {
LAB_00b66dd8:
            *(uint *)(this + 0xc) = uVar10;
            dVar18 = 1.0;
            this[0x10] = (old_bf_read)0x1;
            uVar6 = uVar10;
          }
          else {
            local_1c = *(uint *)(*(int *)this + iVar8 * 4);
            *(uint *)(this + 0xc) = uVar4;
            local_1c = local_1c >> ((byte)uVar6 & 0x1f);
            if (iVar8 == (int)(uVar6 + 0xd) >> 5) {
              dVar18 = (double)(int)((local_1c & DAT_01044298) + 1);
              uVar6 = uVar4;
            }
            else {
              uVar5 = uVar4 & 0x1f;
              cVar7 = '\x0e';
              uVar6 = *(uint *)(*(int *)this + 4 + iVar8 * 4) & (&g_ExtraMasks)[uVar5];
LAB_00b66be8:
              dVar18 = (double)(int)((uVar6 << (cVar7 - (char)uVar5 & 0x1fU) | local_1c) + 1);
              uVar6 = uVar4;
            }
          }
        }
      }
      else {
LAB_00b66c2f:
        dVar18 = 0.0;
      }
      iVar8 = (-(uint)(param_2 != 1) & 2) + 3;
      uVar4 = iVar8 + uVar6;
      if ((int)uVar10 < (int)uVar4) {
        *(uint *)(this + 0xc) = uVar10;
        dVar16 = 0.0;
        this[0x10] = (old_bf_read)0x1;
      }
      else {
        iVar11 = (int)uVar6 >> 5;
        uVar10 = *(uint *)(*(int *)this + iVar11 * 4);
        *(uint *)(this + 0xc) = uVar4;
        uVar10 = uVar10 >> ((byte)uVar6 & 0x1f);
        if (iVar11 == (int)(uVar4 - 1) >> 5) {
          dVar16 = (double)(int)(uVar10 & (&g_ExtraMasks)[iVar8]);
        }
        else {
          dVar16 = (double)(int)(((&g_ExtraMasks)[uVar4 & 0x1f] &
                                 *(uint *)(*(int *)this + 4 + iVar11 * 4)) <<
                                 ((char)iVar8 - (char)(uVar4 & 0x1f) & 0x1fU) | uVar10);
        }
      }
      if (param_2 != 1) {
        dVar17 = 0.03125;
      }
      else {
        dVar17 = 0.125;
      }
      fVar15 = (float)(dVar16 * dVar17 + dVar18);
      goto LAB_00b66ccf;
    }
    oVar1 = (old_bf_read)0x1;
  }
  if ((int)uVar10 <= (int)uVar4) {
    this[0x10] = (old_bf_read)0x1;
LAB_00b66d28:
    return (longdouble)0.0;
  }
  if (oVar1 != (old_bf_read)0x0) goto LAB_00b66d28;
  iVar11 = *(int *)this;
  iVar8 = uVar4 + 1;
  bVar2 = *(byte *)(iVar11 + ((int)uVar4 >> 3));
  *(int *)(this + 0xc) = iVar8;
  if ((bVar2 >> (uVar4 & 7) & 1) == 0) goto LAB_00b66d28;
  if (iVar8 < (int)uVar10) {
    bVar3 = (byte)iVar8;
    bVar2 = *(byte *)(iVar11 + (iVar8 >> 3));
    iVar8 = uVar4 + 2;
    *(int *)(this + 0xc) = iVar8;
    bVar14 = ((uint)bVar2 & 1 << (bVar3 & 7)) != 0;
  }
  else {
    this[0x10] = (old_bf_read)0x1;
    bVar14 = false;
  }
  iVar9 = iVar8 >> 5;
  if (bVar12) {
    uVar6 = iVar8 + 0xb;
    if ((int)uVar10 < (int)uVar6) {
LAB_00b66f20:
      *(uint *)(this + 0xc) = uVar10;
      fVar15 = 1.0;
      this[0x10] = (old_bf_read)0x1;
      goto LAB_00b66ccf;
    }
    uVar10 = *(uint *)(iVar11 + iVar9 * 4);
    *(uint *)(this + 0xc) = uVar6;
    uVar10 = uVar10 >> ((byte)iVar8 & 0x1f);
    if (iVar9 == iVar8 + 10 >> 5) {
      uVar10 = DAT_0104428c & uVar10;
LAB_00b66f6e:
      fVar15 = (float)(uVar10 + 1 >> 0x10) * 65536.0 + (float)(uVar10 + 1 & 0xffff);
      goto LAB_00b66ccf;
    }
    uVar6 = uVar6 & 0x1f;
    cVar7 = '\v';
    uVar4 = *(uint *)(iVar11 + 4 + iVar9 * 4) & (&g_ExtraMasks)[uVar6];
  }
  else {
    uVar6 = iVar8 + 0xe;
    if ((int)uVar10 < (int)uVar6) goto LAB_00b66f20;
    uVar10 = *(uint *)(iVar11 + iVar9 * 4);
    *(uint *)(this + 0xc) = uVar6;
    uVar10 = uVar10 >> ((byte)iVar8 & 0x1f);
    if (iVar9 == iVar8 + 0xd >> 5) {
      uVar10 = DAT_01044298 & uVar10;
      goto LAB_00b66f6e;
    }
    uVar6 = uVar6 & 0x1f;
    cVar7 = '\x0e';
    uVar4 = *(uint *)(iVar11 + 4 + iVar9 * 4) & (&g_ExtraMasks)[uVar6];
  }
  uVar6 = (uVar4 << (cVar7 - (char)uVar6 & 0x1fU) | uVar10) + 1;
  fVar15 = (float)(uVar6 >> 0x10) * 65536.0 + (float)(uVar6 & 0xffff);
LAB_00b66ccf:
  if (bVar14) {
    fVar15 = -fVar15;
  }
  return (longdouble)fVar15;
}