CUtlVector<CUtlVector<ModelInstanceHashPair_t,CUtlMemory<ModelInstanceHashPair_t,int>>,CUtlMemory<CUtlVector<ModelInstanceHashPair_t,CUtlMemory<ModelInstanceHashPair_t,int>>,int>>::SetCount

/* CUtlVector<CUtlVector<ModelInstanceHashPair_t, CUtlMemory<ModelInstanceHashPair_t, int> >,
   CUtlMemory<CUtlVector<ModelInstanceHashPair_t, CUtlMemory<ModelInstanceHashPair_t, int> >, int>
   >::SetCount(int) */

void __thiscall
CUtlVector<CUtlVector<ModelInstanceHashPair_t,CUtlMemory<ModelInstanceHashPair_t,int>>,CUtlMemory<CUtlVector<ModelInstanceHashPair_t,CUtlMemory<ModelInstanceHashPair_t,int>>,int>>
::SetCount(CUtlVector<CUtlVector<ModelInstanceHashPair_t,CUtlMemory<ModelInstanceHashPair_t,int>>,CUtlMemory<CUtlVector<ModelInstanceHashPair_t,CUtlMemory<ModelInstanceHashPair_t,int>>,int>>
           *this,int param_1)

{
  int iVar1;
  undefined4 *puVar2;
  void *pvVar3;
  int iVar4;
  int iVar5;
  int iVar6;
  int iVar7;
  
  RemoveAll(this);
  iVar7 = *(int *)(this + 0xc);
  if (param_1 == 0) {
    return;
  }
  iVar6 = *(int *)(this + 4);
  iVar4 = param_1 + iVar7;
  iVar5 = iVar4;
  if (iVar6 < iVar4) {
    iVar1 = *(int *)(this + 8);
    if (iVar1 < 0) goto LAB_0018ac4a;
    if (iVar1 == 0) {
      if (iVar6 == 0) {
        if (iVar4 < 3) {
          iVar6 = 2;
          goto LAB_0018acef;
        }
        iVar6 = 2;
      }
      do {
        iVar6 = iVar6 * 2;
      } while (iVar6 < iVar4);
    }
    else {
      for (iVar6 = ((iVar4 + -1) / iVar1 + 1) * iVar1; iVar6 < iVar4; iVar6 = (iVar6 + iVar4) / 2) {
      }
    }
LAB_0018acef:
    *(int *)(this + 4) = iVar6;
    if (*(void **)this == (void *)0x0) {
      pvVar3 = malloc(iVar6 * 0x14);
      *(void **)this = pvVar3;
    }
    else {
      pvVar3 = realloc(*(void **)this,iVar6 * 0x14);
      *(void **)this = pvVar3;
      iVar5 = *(int *)(this + 0xc) + param_1;
    }
  }
  else {
LAB_0018ac4a:
    pvVar3 = *(void **)this;
  }
  *(int *)(this + 0xc) = iVar5;
  iVar6 = (iVar5 - iVar7) - param_1;
  *(void **)(this + 0x10) = pvVar3;
  if (iVar6 < 1) {
    if (0 < param_1) {
LAB_0018ac6c:
      iVar4 = 0;
      iVar7 = iVar7 * 0x14;
      do {
        puVar2 = (undefined4 *)(iVar7 + *(int *)this);
        if (puVar2 != (undefined4 *)0x0) {
          *puVar2 = 0;
          puVar2[1] = 0;
          puVar2[2] = 0;
          puVar2[3] = 0;
          puVar2[4] = 0;
        }
        iVar4 = iVar4 + 1;
        iVar7 = iVar7 + 0x14;
      } while (iVar4 < param_1);
      return;
    }
  }
  else if (0 < param_1) {
    _V_memmove((void *)((int)pvVar3 + iVar4 * 0x14),(void *)((int)pvVar3 + iVar7 * 0x14),
               iVar6 * 0x14);
    goto LAB_0018ac6c;
  }
  return;
}