CNavMesh::RemoveOverlappingObstacleTopAreas

/* CNavMesh::RemoveOverlappingObstacleTopAreas() */

void __thiscall CNavMesh::RemoveOverlappingObstacleTopAreas(CNavMesh *this)

{
  char cVar1;
  CNavArea **ppCVar2;
  int iVar3;
  int iVar4;
  float fVar5;
  CUtlMemory<CNavArea*,int> *local_74;
  int local_70;
  CNavArea *local_68;
  CNavArea *local_64;
  CNavArea *local_60;
  Vector local_5c [8];
  float local_54;
  CNavArea *local_50 [2];
  float local_48;
  int local_44;
  undefined4 local_40;
  undefined4 local_3c;
  int local_38;
  int local_34;
  undefined4 *local_30;
  undefined4 local_2c;
  undefined4 local_28;
  int local_24;
  undefined4 *local_20;
  
  local_44 = 0;
  local_40 = 0;
  local_3c = 0;
  local_38 = 0;
  local_34 = 0;
  if (0 < DAT_00fe6000) {
    iVar3 = 0;
    iVar4 = 0;
    do {
      local_30 = *(undefined4 **)(TheNavAreas + iVar4 * 4);
      if ((*(byte *)((int)local_30 + 0x55) & 0x40) == 0) {
        if (DAT_00fe6000 <= iVar4 + 1) goto LAB_0072d45a;
      }
      else {
                    /* try { // try from 0072d447 to 0072d44b has its CatchHandler @ 0072d6ea */
        CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>>::InsertBefore
                  ((CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>> *)&local_44,iVar3,
                   (CNavArea **)&local_30);
        iVar3 = local_38;
        if (DAT_00fe6000 <= iVar4 + 1) goto LAB_0072d45a;
      }
      iVar4 = iVar4 + 1;
    } while( true );
  }
  local_30 = (undefined4 *)0x0;
  local_2c = 0;
  local_28 = 0;
  local_20 = (undefined4 *)0x0;
  goto LAB_0072d5da;
LAB_0072d45a:
  local_30 = (undefined4 *)0x0;
  local_2c = 0;
  local_28 = 0;
  local_24 = 0;
  local_20 = (undefined4 *)0x0;
  if (0 < iVar3) {
    local_70 = 0;
    do {
      iVar3 = local_70 * 4;
      local_68 = *(CNavArea **)(local_44 + local_70 * 4);
                    /* try { // try from 0072d4b5 to 0072d69d has its CatchHandler @ 0072d6cd */
      CNavArea::ComputeNormal(local_68,local_5c,false);
      CNavArea::ComputeNormal(local_68,(Vector *)local_50,true);
      fVar5 = local_48;
      if (local_54 <= local_48) {
        fVar5 = local_54;
      }
      if (fVar5 < *(float *)(nav_slope_limit._28_4_ + 0x2c)) {
        CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>>::InsertBefore
                  ((CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>> *)&local_30,local_24,&local_68);
      }
      local_70 = local_70 + 1;
      if (local_38 <= local_70) break;
      iVar3 = iVar3 + 4;
      iVar4 = local_70;
      do {
        while( true ) {
          local_64 = *(CNavArea **)(local_44 + iVar3);
          cVar1 = CNavArea::IsOverlapping(local_68,local_64);
          if (cVar1 == '\0') break;
          cVar1 = CNavArea::Contains(local_68,local_64);
          if (cVar1 == '\0') {
            cVar1 = CNavArea::Contains(local_64,local_68);
            if (cVar1 == '\0') {
              local_60 = local_68;
              if ((*(float *)(local_64 + 0x14) - *(float *)(local_64 + 8)) *
                  (*(float *)(local_64 + 0x10) - *(float *)(local_64 + 4)) <
                  (*(float *)(local_68 + 0x14) - *(float *)(local_68 + 8)) *
                  (*(float *)(local_68 + 0x10) - *(float *)(local_68 + 4))) {
                local_60 = local_64;
              }
              ppCVar2 = &local_60;
            }
            else {
              ppCVar2 = &local_68;
            }
          }
          else {
            ppCVar2 = &local_64;
          }
          CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>>::InsertBefore
                    ((CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>> *)&local_30,local_24,ppCVar2);
          iVar4 = iVar4 + 1;
          iVar3 = iVar3 + 4;
          if (local_38 <= iVar4) goto LAB_0072d56e;
        }
        iVar4 = iVar4 + 1;
        iVar3 = iVar3 + 4;
      } while (iVar4 < local_38);
LAB_0072d56e:
    } while (local_70 < local_38);
    while (0 < local_24) {
      local_50[0] = (CNavArea *)*local_30;
      RemoveFromSelectedSet((CNavArea *)this);
      (**(code **)(*TheNavMesh + 0x70))(TheNavMesh,local_50[0]);
      (**(code **)(*TheNavMesh + 0x18))(TheNavMesh,local_50[0]);
      do {
        cVar1 = CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>>::FindAndRemove
                          ((CUtlVector<CNavArea*,CUtlMemory<CNavArea*,int>> *)&local_30,local_50);
      } while (cVar1 != '\0');
    }
  }
LAB_0072d5da:
  local_74 = (CUtlMemory<CNavArea*,int> *)&local_44;
  local_24 = 0;
  CUtlMemory<CNavArea*,int>::Purge((CUtlMemory<CNavArea*,int> *)&local_30);
  local_20 = local_30;
  CUtlMemory<CNavArea*,int>::Purge((CUtlMemory<CNavArea*,int> *)&local_30);
  local_38 = 0;
  CUtlMemory<CNavArea*,int>::Purge(local_74);
  local_34 = local_44;
  CUtlMemory<CNavArea*,int>::Purge(local_74);
  return;
}