GetCornerIndexFromPoint

/* GetCornerIndexFromPoint(CVertIndex const&, int) */

undefined4 GetCornerIndexFromPoint(CVertIndex *param_1,int param_2)

{
  short sVar1;
  undefined4 uVar2;
  int iVar3;
  
  sVar1 = *(short *)param_1;
  iVar3 = 1 << ((byte)param_2 & 0x1f);
  if (sVar1 == 0) {
    uVar2 = 0;
    if (*(short *)(param_1 + 2) != 0) {
      if (*(short *)(param_1 + 2) != iVar3) {
        return 0xffffffff;
      }
      uVar2 = 1;
    }
  }
  else {
    uVar2 = 0xffffffff;
    if (sVar1 == iVar3) {
      uVar2 = 2;
      if ((int)sVar1 != (int)*(short *)(param_1 + 2)) {
        if (*(short *)(param_1 + 2) != 0) {
          return 0xffffffff;
        }
        return 3;
      }
    }
  }
  return uVar2;
}