CVEngineServer::BuildEntityClusterList

/* CVEngineServer::BuildEntityClusterList(edict_t*, PVSInfo_t*) */

void __thiscall
CVEngineServer::BuildEntityClusterList(CVEngineServer *this,edict_t *param_1,PVSInfo_t *param_2)

{
  short sVar1;
  undefined4 *puVar2;
  bool bVar3;
  int *piVar4;
  int iVar5;
  int iVar6;
  int iVar7;
  int iVar8;
  undefined4 *local_454;
  int local_444;
  float local_440;
  float local_43c;
  float local_438;
  float local_434;
  float local_430;
  float local_42c;
  float local_428;
  float local_424;
  float local_420;
  int local_41c [128];
  int local_21c [131];
  
  (**(code **)(*(int *)this + 0x19c))(this,param_2);
  *(undefined4 *)(param_2 + 4) = 0;
  *(undefined2 *)(param_2 + 2) = 0;
  *(undefined2 *)(param_2 + 8) = 0;
  *(undefined2 *)(param_2 + 10) = 0;
  if ((((param_1 != (edict_t *)0x0) && (((byte)*param_1 & 4) != 0)) &&
      (piVar4 = *(int **)(param_1 + 0xc), piVar4 != (int *)0x0)) &&
     (piVar4 = (int *)(**(code **)(*piVar4 + 0x10))(piVar4), piVar4 != (int *)0x0)) {
    local_444 = -1;
    (**(code **)(*piVar4 + 0x3c))(piVar4,(Vector *)&local_440);
    iVar5 = CM_BoxLeafnums((Vector *)&local_440,(Vector *)&local_434,local_41c,0x80,&local_444);
    bVar3 = false;
    if (0 < iVar5) {
      iVar8 = 0;
      do {
        while( true ) {
          iVar6 = CM_LeafCluster(local_41c[iVar8]);
          local_21c[iVar8] = iVar6;
          iVar6 = CM_LeafArea(local_41c[iVar8]);
          if (iVar6 != 0) break;
LAB_0022a324:
          iVar8 = iVar8 + 1;
          if (iVar8 == iVar5) goto LAB_0022a36a;
        }
        if ((*(short *)(param_2 + 8) != 0) && (iVar6 != *(short *)(param_2 + 8))) {
          if (((!bVar3) && ((*(short *)(param_2 + 10) != 0 && (iVar6 != *(short *)(param_2 + 10)))))
             && (bVar3 = true, DAT_003b7f64 == 1)) {
            ConDMsg("Object touching 3 areas at %f %f %f\n",(double)local_440,(double)local_43c,
                    (double)local_438);
          }
          *(short *)(param_2 + 10) = (short)iVar6;
          goto LAB_0022a324;
        }
        iVar8 = iVar8 + 1;
        *(short *)(param_2 + 8) = (short)iVar6;
      } while (iVar8 != iVar5);
    }
LAB_0022a36a:
    local_428 = (local_434 + local_440) * 0.5;
    local_424 = (local_430 + local_43c) * 0.5;
    local_420 = (local_42c + local_438) * 0.5;
    if (bVar3) {
      iVar8 = CM_PointLeafnum((Vector *)&local_428);
      iVar8 = CM_LeafArea(iVar8);
      if ((iVar8 != *(short *)(param_2 + 8)) && (iVar8 != *(short *)(param_2 + 10))) {
        *(short *)(param_2 + 8) = (short)iVar8;
      }
    }
    *(float *)(param_2 + 0xc) = local_428;
    *(short *)param_2 = (short)local_444;
    *(float *)(param_2 + 0x10) = local_424;
    *(float *)(param_2 + 0x14) = local_420;
    if (0x7f < iVar5) goto LAB_0022a4c7;
    *(PVSInfo_t **)(param_2 + 4) = param_2 + 0x18;
    if (iVar5 < 0x10) {
      iVar8 = 0;
      if (0 < iVar5) {
        do {
          iVar6 = local_21c[iVar8];
          if (iVar6 != -1) {
            if (iVar8 == 0) {
              sVar1 = *(short *)(param_2 + 2);
              iVar7 = 0;
joined_r0x0022a582:
              if (sVar1 == 4) {
                local_454 = (undefined4 *)
                            CUtlMemoryPool::Alloc((CUtlMemoryPool *)s_PVSInfoAllocator);
                puVar2 = *(undefined4 **)(param_2 + 4);
                *local_454 = *puVar2;
                local_454[1] = puVar2[1];
                sVar1 = *(short *)(param_2 + 2);
                *(undefined4 **)(param_2 + 4) = local_454;
              }
              else {
                if (sVar1 == 0x40) goto LAB_0022a4a7;
                local_454 = *(undefined4 **)(param_2 + 4);
              }
              *(short *)(param_2 + 2) = sVar1 + 1;
              *(short *)((int)local_454 + sVar1 * 2) = (short)local_21c[iVar7];
            }
            else if (iVar6 != local_21c[0]) {
              iVar7 = 0;
              do {
                iVar7 = iVar7 + 1;
                if (iVar7 == iVar8) {
                  sVar1 = *(short *)(param_2 + 2);
                  goto joined_r0x0022a582;
                }
              } while (iVar6 != local_21c[iVar7]);
            }
          }
          iVar8 = iVar8 + 1;
        } while (iVar8 != iVar5);
      }
    }
    else {
      piVar4 = local_21c + iVar5;
      iVar8 = (int)piVar4 - (int)local_21c;
      if (7 < iVar8) {
        iVar8 = iVar8 >> 2;
        for (iVar6 = iVar8 + -2 >> 1;
            std::__adjust_heap<int*,int,int,bool(*)(int_const&,int_const&)>
                      (local_21c,iVar6,iVar8,local_21c[iVar6],SortClusterLessFunc), iVar6 != 0;
            iVar6 = iVar6 + -1) {
        }
        do {
          piVar4 = piVar4 + -1;
          iVar8 = *piVar4;
          iVar6 = (int)piVar4 - (int)local_21c;
          *piVar4 = local_21c[0];
          std::__adjust_heap<int*,int,int,bool(*)(int_const&,int_const&)>
                    (local_21c,0,iVar6 >> 2,iVar8,SortClusterLessFunc);
        } while (7 < iVar6);
      }
      iVar8 = 0;
      do {
        iVar6 = local_21c[iVar8];
        if ((iVar6 != -1) && ((iVar8 == 0 || (iVar6 != local_21c[iVar8 + -1])))) {
          sVar1 = *(short *)(param_2 + 2);
          if (sVar1 == 4) {
            local_454 = (undefined4 *)CUtlMemoryPool::Alloc((CUtlMemoryPool *)s_PVSInfoAllocator);
            puVar2 = *(undefined4 **)(param_2 + 4);
            *local_454 = *puVar2;
            local_454[1] = puVar2[1];
            sVar1 = *(short *)(param_2 + 2);
            *(undefined4 **)(param_2 + 4) = local_454;
            iVar6 = local_21c[iVar8];
          }
          else {
            if (sVar1 == 0x40) goto LAB_0022a4a7;
            local_454 = *(undefined4 **)(param_2 + 4);
          }
          *(short *)(param_2 + 2) = sVar1 + 1;
          *(short *)((int)local_454 + sVar1 * 2) = (short)iVar6;
        }
        iVar8 = iVar8 + 1;
      } while (iVar8 != iVar5);
    }
  }
  return;
LAB_0022a4a7:
  CUtlMemoryPool::Free((CUtlMemoryPool *)s_PVSInfoAllocator,*(void **)(param_2 + 4));
  *(undefined4 *)(param_2 + 4) = 0;
LAB_0022a4c7:
  *(undefined2 *)(param_2 + 2) = 0xffff;
  return;
}