Int_IsEncodedZero

/* Int_IsEncodedZero(SendProp const*, bf_read*) */

uint Int_IsEncodedZero(SendProp *param_1,bf_read *param_2)

{
  int iVar1;
  undefined4 *puVar2;
  uint *puVar3;
  uint uVar4;
  undefined4 uVar5;
  uint uVar6;
  int iVar7;
  uint uVar8;
  
  iVar1 = *(int *)(param_2 + 0x14);
  iVar7 = *(int *)(param_1 + 0xc);
  if (iVar1 < iVar7) {
    puVar3 = *(uint **)(param_2 + 0x18);
    uVar8 = *(uint *)(param_2 + 0x10);
    if (puVar3 == *(uint **)(param_2 + 0x1c)) {
      *(undefined4 *)(param_2 + 0x14) = 1;
      *(undefined4 *)(param_2 + 0x10) = 0;
      *(uint **)(param_2 + 0x18) = puVar3 + 1;
      param_2[4] = (bf_read)0x1;
    }
    else {
      if (puVar3 <= *(uint **)(param_2 + 0x1c)) {
        *(uint **)(param_2 + 0x18) = puVar3 + 1;
        uVar6 = *puVar3;
        *(uint *)(param_2 + 0x10) = uVar6;
        if (param_2[4] != (bf_read)0x0) {
          return (uint)(byte)param_2[4];
        }
        iVar7 = iVar7 - iVar1;
        uVar4 = (&CBitBuffer::s_nMaskTable)[iVar7];
        *(int *)(param_2 + 0x14) = 0x20 - iVar7;
        uVar8 = (uVar4 & uVar6) << ((byte)iVar1 & 0x1f) | uVar8;
        *(uint *)(param_2 + 0x10) = uVar6 >> ((byte)iVar7 & 0x1f);
        return CONCAT31((int3)(uVar8 >> 8),uVar8 == 0);
      }
      param_2[4] = (bf_read)0x1;
      *(undefined4 *)(param_2 + 0x10) = 0;
    }
    uVar8 = 1;
  }
  else {
    uVar8 = (&CBitBuffer::s_nMaskTable)[iVar7];
    *(int *)(param_2 + 0x14) = iVar1 - iVar7;
    uVar8 = uVar8 & *(uint *)(param_2 + 0x10);
    if (iVar1 - iVar7 != 0) {
      uVar6 = *(uint *)(param_2 + 0x10) >> ((byte)iVar7 & 0x1f);
      *(uint *)(param_2 + 0x10) = uVar6;
      return CONCAT31((int3)(uVar6 >> 8),uVar8 == 0);
    }
    puVar2 = *(undefined4 **)(param_2 + 0x18);
    *(undefined4 *)(param_2 + 0x14) = 0x20;
    if (puVar2 != *(undefined4 **)(param_2 + 0x1c)) {
      if (puVar2 <= *(undefined4 **)(param_2 + 0x1c)) {
        *(undefined4 **)(param_2 + 0x18) = puVar2 + 1;
        uVar5 = *puVar2;
        *(undefined4 *)(param_2 + 0x10) = uVar5;
        return CONCAT31((int3)((uint)uVar5 >> 8),uVar8 == 0);
      }
      param_2[4] = (bf_read)0x1;
      *(undefined4 *)(param_2 + 0x10) = 0;
      return CONCAT31((int3)((uint)puVar2 >> 8),uVar8 == 0);
    }
    *(undefined4 *)(param_2 + 0x14) = 1;
    *(undefined4 **)(param_2 + 0x18) = puVar2 + 1;
    uVar8 = CONCAT31((int3)((uint)(puVar2 + 1) >> 8),uVar8 == 0);
    *(undefined4 *)(param_2 + 0x10) = 0;
  }
  return uVar8;
}