CopyPropState

/* CopyPropState(CRecvDecoder*, int, bf_read*, CDeltaBitsWriter*) */

void __regparm3
CopyPropState(CRecvDecoder *param_1,int param_2,bf_read *param_3,CDeltaBitsWriter *param_4)

{
  int iVar1;
  int iVar2;
  
  iVar2 = *(int *)(*(int *)(param_1 + 0x34) + param_2 * 4);
  if (*(int *)(param_3 + 0x20) == 0) {
    iVar1 = 0;
  }
  else {
    iVar1 = (((uint)(*(int *)(param_3 + 0x18) - *(int *)(param_3 + 0x20)) >> 2) * 0x20 -
            *(int *)(param_3 + 0x14)) + (*(uint *)(param_3 + 0xc) & 3) * 8;
    if (*(int *)(param_3 + 8) < iVar1) {
      iVar1 = *(int *)(param_3 + 8);
    }
  }
  (**(code **)(g_PropTypeFns + *(int *)(iVar2 + 8) * 0x24 + 0x20))(iVar2,param_3);
  if (*(int *)(param_3 + 0x20) == 0) {
    iVar2 = 0;
  }
  else {
    iVar2 = (((uint)(*(int *)(param_3 + 0x18) - *(int *)(param_3 + 0x20)) >> 2) * 0x20 -
            *(int *)(param_3 + 0x14)) + (*(uint *)(param_3 + 0xc) & 3) * 8;
    if (*(int *)(param_3 + 8) < iVar2) {
      iVar2 = *(int *)(param_3 + 8);
    }
  }
  CBitRead::Seek((CBitRead *)param_3,iVar1);
  CDeltaBitsWriter::WritePropIndex(param_4,param_2);
  bf_write::WriteBitsFromBuffer(*(bf_write **)param_4,param_3,iVar2 - iVar1);
  return;
}