CUtlVector<TerrorNavArea*,CUtlMemory<TerrorNavArea*,int>>::InsertBefore

/* CUtlVector<TerrorNavArea*, CUtlMemory<TerrorNavArea*, int> >::InsertBefore(int, TerrorNavArea*
   const&) */

int __thiscall
CUtlVector<TerrorNavArea*,CUtlMemory<TerrorNavArea*,int>>::InsertBefore
          (CUtlVector<TerrorNavArea*,CUtlMemory<TerrorNavArea*,int>> *this,int param_1,
          TerrorNavArea **param_2)

{
  void *pvVar1;
  int iVar2;
  int iVar3;
  int iVar4;
  
  iVar3 = *(int *)(this + 4);
  iVar4 = *(int *)(this + 0xc) + 1;
  if (iVar3 < iVar4) {
    iVar2 = *(int *)(this + 8);
    if (-1 < iVar2) {
      if (iVar2 == 0) {
        if (iVar3 == 0) {
          if (iVar4 < 9) {
            iVar2 = 8;
            goto LAB_0086d55f;
          }
          iVar3 = 8;
        }
        do {
          iVar2 = iVar3 * 2;
          if (iVar4 <= iVar2) break;
          iVar2 = iVar3 * 4;
          iVar3 = iVar2;
        } while (iVar2 < iVar4);
      }
      else {
        for (iVar2 = iVar2 * (*(int *)(this + 0xc) / iVar2 + 1); iVar2 < iVar4;
            iVar2 = (iVar2 + iVar4) / 2) {
        }
      }
LAB_0086d55f:
      *(int *)(this + 4) = iVar2;
      if (*(void **)this == (void *)0x0) {
        pvVar1 = malloc(iVar2 << 2);
        *(void **)this = pvVar1;
      }
      else {
        pvVar1 = realloc(*(void **)this,iVar2 << 2);
        *(void **)this = pvVar1;
        iVar4 = *(int *)(this + 0xc) + 1;
      }
      goto LAB_0086d4ee;
    }
  }
  pvVar1 = *(void **)this;
LAB_0086d4ee:
  *(int *)(this + 0xc) = iVar4;
  iVar4 = (iVar4 - param_1) + -1;
  *(void **)(this + 0x10) = pvVar1;
  iVar3 = param_1 * 4;
  if (0 < iVar4) {
    _V_memmove((void *)((int)pvVar1 + iVar3 + 4),(void *)((int)pvVar1 + iVar3),iVar4 * 4);
    pvVar1 = *(void **)this;
  }
  if ((undefined4 *)((int)pvVar1 + iVar3) != (undefined4 *)0x0) {
    *(undefined4 *)((int)pvVar1 + iVar3) = *param_2;
  }
  return param_1;
}