CNavMesh::CommandNavBeginDragSelecting

/* CNavMesh::CommandNavBeginDragSelecting() */

void __thiscall CNavMesh::CommandNavBeginDragSelecting(CNavMesh *this)

{
  undefined4 uVar1;
  CBaseEntity *this_00;
  
  this_00 = (CBaseEntity *)UTIL_GetListenServerHost();
  if ((this_00 != (CBaseEntity *)0x0) &&
     ((*(uint *)(this + 0x458) < 2 || (*(uint *)(this + 0x458) == 4)))) {
    FindActiveNavArea(this);
    if (*(int *)(this + 0x458) == 4) {
      *(undefined4 *)(this + 0x4f4) = 0;
      *(undefined4 *)(this + 0x4c4) = 0;
      *(undefined4 *)(this + 0x470) = 0;
      *(undefined4 *)(this + 0x47c) = 4;
      *(undefined4 *)(this + 0x458) = 0;
      this[0x4fc] = (CNavMesh)0x0;
      this[0x4fd] = (CNavMesh)0x0;
      this[0x4fe] = (CNavMesh)0x0;
      CBaseEntity::EmitSound(this_00,"EDIT_BEGIN_AREA.NotCreating",0.0,(float *)0x0);
    }
    else {
      CBaseEntity::EmitSound(this_00,"EDIT_BEGIN_AREA.NotCreating",0.0,(float *)0x0);
      *(undefined4 *)(this + 0x4c4) = 0;
      uVar1 = nav_drag_selection_volume_zmax_offset._28_4_;
      *(undefined4 *)(this + 0x470) = 0;
      *(undefined4 *)(this + 0x480) = *(undefined4 *)(this + 0x464);
      *(undefined4 *)(this + 0x47c) = 4;
      *(undefined4 *)(this + 0x484) = *(undefined4 *)(this + 0x468);
      *(undefined4 *)(this + 0x458) = 4;
      this[0x4fc] = (CNavMesh)0x0;
      this[0x4fd] = (CNavMesh)0x0;
      this[0x4fe] = (CNavMesh)0x0;
      *(undefined4 *)(this + 0x488) = *(undefined4 *)(this + 0x46c);
      *(undefined4 *)(this + 0x500) = *(undefined4 *)(uVar1 + 0x30);
      *(undefined4 *)(this + 0x504) =
           *(undefined4 *)(nav_drag_selection_volume_zmin_offset._28_4_ + 0x30);
    }
    *(undefined4 *)(this + 0x4c4) = 0;
    *(undefined4 *)(this + 0x470) = 0;
    *(undefined4 *)(this + 0x47c) = 4;
    return;
  }
  return;
}