GetSubNeighborIndex

/* GetSubNeighborIndex(CDispUtilsHelper*, int, CVertIndex const&) */

int GetSubNeighborIndex(CDispUtilsHelper *param_1,int param_2,CVertIndex *param_3)

{
  int iVar1;
  short *psVar2;
  
  iVar1 = (*(code *)**(undefined4 **)param_1)(param_1);
  psVar2 = (short *)(**(code **)(*(int *)param_1 + 4))(param_1,param_2);
  if (*(int *)(iVar1 + 0x2c) == (int)*(short *)(param_3 + (uint)((&g_EdgeDims)[param_2] == 0) * 2))
  {
    if (*(char *)((int)psVar2 + 3) != '\0') {
      return -1;
    }
  }
  else if (*(int *)(iVar1 + 0x2c) <
           (int)*(short *)(param_3 + (uint)((&g_EdgeDims)[param_2] == 0) * 2)) {
    if (psVar2[3] != -1) {
      return 1;
    }
    if (*psVar2 == -1) {
      return -1;
    }
    return -(uint)(*(char *)((int)psVar2 + 3) != '\0');
  }
  return -(uint)(*psVar2 == -1);
}