CCoreDispInfo::CalcNeighborVertIndicesAtNode

/* CCoreDispInfo::CalcNeighborVertIndicesAtNode(int, int) */

void __thiscall
CCoreDispInfo::CalcNeighborVertIndicesAtNode(CCoreDispInfo *this,int param_1,int param_2)

{
  int iVar1;
  int iVar2;
  int iVar3;
  int iVar4;
  int iVar5;
  int iVar6;
  int local_14;
  
  local_14 = 1;
  iVar3 = 1 << ((byte)*(undefined4 *)(this + 0xc) - (char)param_2 & 0x1f);
  iVar1 = (1 << ((byte)*(undefined4 *)(this + 0xc) & 0x1f)) + 1;
  do {
    iVar2 = local_14 + -1;
    iVar6 = *(int *)(this + 4) + param_1 * 0x200;
    iVar4 = *(int *)(iVar6 + 0x1c) / iVar1;
    iVar5 = *(int *)(iVar6 + 0x1c) % iVar1;
    switch(iVar2) {
    default:
      *(int *)(iVar6 + 0x20 + iVar2 * 4) = (iVar5 - iVar3) + iVar4 * iVar1;
      if (local_14 == 8) {
        return;
      }
      goto LAB_000bf64a;
    case 1:
      iVar4 = iVar3 + iVar4;
      break;
    case 2:
      iVar5 = iVar5 + iVar3;
      break;
    case 3:
      iVar4 = iVar4 - iVar3;
      break;
    case 4:
      iVar4 = iVar4 - iVar3;
      iVar5 = iVar5 - iVar3;
      break;
    case 5:
      iVar5 = iVar5 + iVar3;
      iVar4 = iVar4 - iVar3;
      break;
    case 6:
      iVar5 = iVar5 - iVar3;
      iVar4 = iVar3 + iVar4;
      break;
    case 7:
      *(int *)(iVar6 + 0x3c) = iVar5 + iVar3 + (iVar4 + iVar3) * iVar1;
      return;
    }
    *(int *)(iVar6 + 0x20 + iVar2 * 4) = iVar5 + iVar4 * iVar1;
LAB_000bf64a:
    local_14 = local_14 + 1;
  } while( true );
}