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https://git.dev.opencascade.org/repos/occt.git
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0904aa6395
1. new file Standard_Dump to prepare and parse Dump in JSON format for OCCT objects 2. some presentations cover the proposed dump functionality. 3. 'bounding', 'vaspects' has '-dumpJson' field to see the DumpJson result 4. Bnd_Box constructor with min/max points is implemented to use Dump of this class in Dump BVH_Box 5. Limitation (some classes of Graphic3d, Prs3d has not full filling for DumpJson)
1072 lines
41 KiB
C++
1072 lines
41 KiB
C++
// Created on: 1995-02-15
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// Created by: Roberc Coublanc
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <SelectMgr_ViewerSelector.hxx>
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#include <BVH_Tree.hxx>
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#include <gp_GTrsf.hxx>
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#include <gp_Pnt.hxx>
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#include <OSD_Environment.hxx>
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#include <Precision.hxx>
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#include <Select3D_SensitiveEntity.hxx>
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#include <SelectBasics_PickResult.hxx>
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#include <SelectMgr_EntityOwner.hxx>
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#include <SelectMgr_SortCriterion.hxx>
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#include <SelectMgr_SensitiveEntitySet.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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#include <TCollection_AsciiString.hxx>
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#include <TColStd_HArray1OfInteger.hxx>
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#include <TColStd_ListOfInteger.hxx>
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#include <algorithm>
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IMPLEMENT_STANDARD_RTTIEXT(SelectMgr_ViewerSelector, Standard_Transient)
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namespace {
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// Comparison operator for sorting selection results
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class CompareResults
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{
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public:
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CompareResults (const SelectMgr_IndexedDataMapOfOwnerCriterion& aMapOfCriterion)
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: myMapOfCriterion (aMapOfCriterion)
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{
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}
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Standard_Boolean operator() (Standard_Integer theLeft, Standard_Integer theRight) const
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{
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return myMapOfCriterion.FindFromIndex(theLeft) > myMapOfCriterion.FindFromIndex(theRight);
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}
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private:
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void operator = (const CompareResults&);
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private:
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const SelectMgr_IndexedDataMapOfOwnerCriterion& myMapOfCriterion;
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};
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static const Graphic3d_Mat4d SelectMgr_ViewerSelector_THE_IDENTITY_MAT;
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}
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//=======================================================================
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// function : updatePoint3d
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// purpose :
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//=======================================================================
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void SelectMgr_ViewerSelector::updatePoint3d (SelectMgr_SortCriterion& theCriterion,
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const SelectBasics_PickResult& thePickResult,
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const Handle(Select3D_SensitiveEntity)& theEntity,
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const gp_GTrsf& theInversedTrsf,
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const SelectMgr_SelectingVolumeManager& theMgr) const
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{
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if (theMgr.GetActiveSelectionType() != SelectMgr_SelectingVolumeManager::Point)
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{
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return;
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}
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if (thePickResult.HasPickedPoint())
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{
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theCriterion.Point = thePickResult.PickedPoint();
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}
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else if (!thePickResult.IsValid())
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{
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theCriterion.Point = thePickResult.PickedPoint();
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return;
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}
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else
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{
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theCriterion.Point = theMgr.DetectedPoint (theCriterion.Depth);
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}
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gp_GTrsf anInvTrsf = theInversedTrsf;
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if (theCriterion.Entity->HasInitLocation())
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{
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anInvTrsf = theCriterion.Entity->InvInitLocation() * anInvTrsf;
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}
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if (anInvTrsf.Form() != gp_Identity)
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{
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anInvTrsf.Inverted().Transforms (theCriterion.Point.ChangeCoord());
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}
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if (mySelectingVolumeMgr.Camera().IsNull())
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{
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theCriterion.Tolerance = theEntity->SensitivityFactor() / 33.0;
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}
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else if (mySelectingVolumeMgr.Camera()->IsOrthographic())
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{
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theCriterion.Tolerance = myCameraScale * theEntity->SensitivityFactor();
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}
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else
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{
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const Standard_Real aDistFromEye = Abs ((theCriterion.Point.XYZ() - myCameraEye.XYZ()).Dot (myCameraDir.XYZ()));
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theCriterion.Tolerance = aDistFromEye * myCameraScale * theEntity->SensitivityFactor();
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}
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}
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//==================================================
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// Function: Initialize
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// Purpose :
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//==================================================
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SelectMgr_ViewerSelector::SelectMgr_ViewerSelector():
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preferclosest(Standard_True),
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myToUpdateTolerance (Standard_True),
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myCameraScale (1.0),
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myCurRank (0),
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myIsLeftChildQueuedFirst (Standard_False),
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myEntityIdx (0)
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{
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myEntitySetBuilder = new BVH_BinnedBuilder<Standard_Real, 3, 4> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth, Standard_True);
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}
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//==================================================
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// Function: Activate
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// Purpose :
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//==================================================
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void SelectMgr_ViewerSelector::Activate (const Handle(SelectMgr_Selection)& theSelection)
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{
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for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator aSelEntIter (theSelection->Entities()); aSelEntIter.More(); aSelEntIter.Next())
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{
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aSelEntIter.Value()->SetActiveForSelection();
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}
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if (theSelection->GetSelectionState() != SelectMgr_SOS_Activated)
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{
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theSelection->SetSelectionState (SelectMgr_SOS_Activated);
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myTolerances.Add (theSelection->Sensitivity());
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myToUpdateTolerance = Standard_True;
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}
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}
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//==================================================
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// Function: Deactivate
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// Purpose :
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//==================================================
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void SelectMgr_ViewerSelector::Deactivate (const Handle(SelectMgr_Selection)& theSelection)
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{
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for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator aSelEntIter (theSelection->Entities()); aSelEntIter.More(); aSelEntIter.Next())
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{
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aSelEntIter.Value()->ResetSelectionActiveStatus();
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}
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if (theSelection->GetSelectionState() == SelectMgr_SOS_Activated)
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{
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theSelection->SetSelectionState (SelectMgr_SOS_Deactivated);
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myTolerances.Decrement (theSelection->Sensitivity());
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myToUpdateTolerance = Standard_True;
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}
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}
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//==================================================
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// Function: Clear
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// Purpose :
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//==================================================
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void SelectMgr_ViewerSelector::Clear()
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{
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mystored.Clear();
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}
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//=======================================================================
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// function: isToScaleFrustum
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// purpose : Checks if the entity given requires to scale current selecting frustum
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//=======================================================================
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Standard_Boolean SelectMgr_ViewerSelector::isToScaleFrustum (const Handle(Select3D_SensitiveEntity)& theEntity)
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{
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return mySelectingVolumeMgr.GetActiveSelectionType() == SelectMgr_SelectingVolumeManager::Point
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&& sensitivity (theEntity) < myTolerances.Tolerance();
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}
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//=======================================================================
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// function: sensitivity
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// purpose : In case if custom tolerance is set, this method will return sum of entity
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// sensitivity and custom tolerance.
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//=======================================================================
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Standard_Integer SelectMgr_ViewerSelector::sensitivity (const Handle(Select3D_SensitiveEntity)& theEntity) const
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{
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return myTolerances.IsCustomTolSet() ?
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theEntity->SensitivityFactor() + myTolerances.CustomTolerance() : theEntity->SensitivityFactor();
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}
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//=======================================================================
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// function: checkOverlap
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// purpose : Internal function that checks if a particular sensitive
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// entity theEntity overlaps current selecting volume precisely
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//=======================================================================
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void SelectMgr_ViewerSelector::checkOverlap (const Handle(Select3D_SensitiveEntity)& theEntity,
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const gp_GTrsf& theInversedTrsf,
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SelectMgr_SelectingVolumeManager& theMgr)
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{
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const Handle(SelectMgr_EntityOwner)& anOwner = theEntity->OwnerId();
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Handle(SelectMgr_SelectableObject) aSelectable = !anOwner.IsNull() ? anOwner->Selectable() : Handle(SelectMgr_SelectableObject)();
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SelectBasics_PickResult aPickResult;
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const Standard_Boolean isMatched = theEntity->Matches(theMgr, aPickResult);
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if (!isMatched
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|| anOwner.IsNull())
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{
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return;
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}
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SelectMgr_SortCriterion aCriterion;
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myZLayerOrderMap.Find (!aSelectable.IsNull() ? aSelectable->ZLayer() : Graphic3d_ZLayerId_Default, aCriterion.ZLayerPosition);
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aCriterion.Entity = theEntity;
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aCriterion.Priority = anOwner->Priority();
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aCriterion.Depth = aPickResult.Depth();
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aCriterion.MinDist = aPickResult.DistToGeomCenter();
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aCriterion.ToPreferClosest = preferclosest;
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if (SelectMgr_SortCriterion* aPrevCriterion = mystored.ChangeSeek (anOwner))
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{
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++aPrevCriterion->NbOwnerMatches;
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aCriterion.NbOwnerMatches = aPrevCriterion->NbOwnerMatches;
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if (theMgr.GetActiveSelectionType() != SelectBasics_SelectingVolumeManager::Box)
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{
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if (aCriterion > *aPrevCriterion)
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{
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updatePoint3d (aCriterion, aPickResult, theEntity, theInversedTrsf, theMgr);
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*aPrevCriterion = aCriterion;
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}
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}
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}
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else
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{
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aCriterion.NbOwnerMatches = 1;
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updatePoint3d (aCriterion, aPickResult, theEntity, theInversedTrsf, theMgr);
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mystored.Add (anOwner, aCriterion);
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}
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}
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//=======================================================================
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// function: computeFrustum
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// purpose :
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//=======================================================================
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void SelectMgr_ViewerSelector::computeFrustum (const Handle(Select3D_SensitiveEntity)& theEnt,
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const SelectMgr_SelectingVolumeManager& theMgrGlobal,
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const SelectMgr_SelectingVolumeManager& theMgrObject,
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const gp_GTrsf& theInvTrsf,
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SelectMgr_FrustumCache& theCachedMgrs,
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SelectMgr_SelectingVolumeManager& theResMgr)
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{
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Standard_Integer aScale = isToScaleFrustum (theEnt) ? sensitivity (theEnt) : 1;
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const gp_GTrsf aTrsfMtr = theEnt->HasInitLocation() ? theEnt->InvInitLocation() * theInvTrsf : theInvTrsf;
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const Standard_Boolean toScale = aScale != 1;
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const Standard_Boolean toTransform = aTrsfMtr.Form() != gp_Identity;
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if (toScale && toTransform)
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{
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theResMgr = theMgrGlobal.ScaleAndTransform (aScale, aTrsfMtr, NULL);
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theResMgr.SetViewClipping (theMgrObject);
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}
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else if (toScale)
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{
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if (!theCachedMgrs.Find (aScale, theResMgr))
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{
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theResMgr = theMgrGlobal.ScaleAndTransform (aScale, gp_Trsf(), NULL);
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theCachedMgrs.Bind (aScale, theResMgr);
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}
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theResMgr.SetViewClipping (theMgrObject);
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}
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else if (toTransform)
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{
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theResMgr = theMgrGlobal.ScaleAndTransform (1, aTrsfMtr, NULL);
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theResMgr.SetViewClipping (theMgrObject);
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}
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else
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{
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theResMgr = theMgrObject;
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}
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}
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//=======================================================================
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// function: traverseObject
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// purpose : Internal function that checks if there is possible overlap
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// between some entity of selectable object theObject and
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// current selecting volume
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//=======================================================================
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void SelectMgr_ViewerSelector::traverseObject (const Handle(SelectMgr_SelectableObject)& theObject,
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const SelectMgr_SelectingVolumeManager& theMgr,
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const Handle(Graphic3d_Camera)& theCamera,
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const Graphic3d_Mat4d& theProjectionMat,
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const Graphic3d_Mat4d& theWorldViewMat,
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const Standard_Integer theViewportWidth,
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const Standard_Integer theViewportHeight)
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{
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Handle(SelectMgr_SensitiveEntitySet)& anEntitySet = myMapOfObjectSensitives.ChangeFind (theObject);
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if (anEntitySet->Size() == 0)
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{
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return;
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}
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const opencascade::handle<BVH_Tree<Standard_Real, 3> >& aSensitivesTree = anEntitySet->BVH();
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gp_GTrsf aInversedTrsf;
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if (theObject->HasTransformation() || !theObject->TransformPersistence().IsNull())
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{
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if (theObject->TransformPersistence().IsNull())
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{
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aInversedTrsf = theObject->InversedTransformation();
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}
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else
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{
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gp_GTrsf aTPers;
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Graphic3d_Mat4d aMat = theObject->TransformPersistence()->Compute (theCamera, theProjectionMat, theWorldViewMat, theViewportWidth, theViewportHeight);
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aTPers.SetValue (1, 1, aMat.GetValue (0, 0));
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aTPers.SetValue (1, 2, aMat.GetValue (0, 1));
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aTPers.SetValue (1, 3, aMat.GetValue (0, 2));
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aTPers.SetValue (2, 1, aMat.GetValue (1, 0));
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aTPers.SetValue (2, 2, aMat.GetValue (1, 1));
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aTPers.SetValue (2, 3, aMat.GetValue (1, 2));
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aTPers.SetValue (3, 1, aMat.GetValue (2, 0));
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aTPers.SetValue (3, 2, aMat.GetValue (2, 1));
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aTPers.SetValue (3, 3, aMat.GetValue (2, 2));
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aTPers.SetTranslationPart (gp_XYZ (aMat.GetValue (0, 3), aMat.GetValue (1, 3), aMat.GetValue (2, 3)));
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aInversedTrsf = (aTPers * gp_GTrsf (theObject->Transformation())).Inverted();
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}
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}
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SelectMgr_SelectingVolumeManager aMgr = aInversedTrsf.Form() != gp_Identity
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? theMgr.ScaleAndTransform (1, aInversedTrsf, NULL)
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: theMgr;
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if (!aMgr.Overlaps (aSensitivesTree->MinPoint (0),
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aSensitivesTree->MaxPoint (0)))
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{
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return;
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}
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if (!theObject->ClipPlanes().IsNull()
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&& theObject->ClipPlanes()->ToOverrideGlobal())
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{
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aMgr.SetViewClipping (Handle(Graphic3d_SequenceOfHClipPlane)(), theObject->ClipPlanes());
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}
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else if (!theObject->TransformPersistence().IsNull())
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{
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if (theObject->TransformPersistence()->IsZoomOrRotate()
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&& !theMgr.ViewClipping().IsNull())
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{
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// Zoom/rotate persistence object lives in two worlds at the same time.
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// Global clipping planes can not be trivially applied without being converted
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// into local space of transformation persistence object.
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// As more simple alternative - just clip entire object by its anchor point defined in the world space.
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const gp_Pnt anAnchor = theObject->TransformPersistence()->AnchorPoint();
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for (Graphic3d_SequenceOfHClipPlane::Iterator aPlaneIt (*theMgr.ViewClipping()); aPlaneIt.More(); aPlaneIt.Next())
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{
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const Handle(Graphic3d_ClipPlane)& aPlane = aPlaneIt.Value();
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if (!aPlane->IsOn())
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{
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continue;
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}
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const Graphic3d_Vec4d aCheckPnt (anAnchor.X(), anAnchor.Y(), anAnchor.Z(), 1.0);
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if (aPlane->ProbePoint (aCheckPnt) == Graphic3d_ClipState_Out)
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{
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return;
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}
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}
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}
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aMgr.SetViewClipping (Handle(Graphic3d_SequenceOfHClipPlane)(), theObject->ClipPlanes());
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}
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else if (!theObject->ClipPlanes().IsNull()
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&& !theObject->ClipPlanes()->IsEmpty())
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{
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aMgr.SetViewClipping (theMgr.ViewClipping(), theObject->ClipPlanes());
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}
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if (!theMgr.ViewClipping().IsNull() &&
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theMgr.GetActiveSelectionType() == SelectBasics_SelectingVolumeManager::Box)
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{
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Graphic3d_BndBox3d aBBox (aSensitivesTree->MinPoint (0), aSensitivesTree->MaxPoint (0));
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// If box selection is active, and the whole sensitive tree is out of the clip planes
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// selection is empty for this object
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const Handle(Graphic3d_SequenceOfHClipPlane)& aViewPlanes = theMgr.ViewClipping();
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for (Graphic3d_SequenceOfHClipPlane::Iterator aPlaneIt (*aViewPlanes); aPlaneIt.More(); aPlaneIt.Next())
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{
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const Handle(Graphic3d_ClipPlane)& aPlane = aPlaneIt.Value();
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if (!aPlane->IsOn())
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{
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continue;
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}
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Graphic3d_ClipState aState = aPlane->ProbeBox (aBBox);
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if (aState == Graphic3d_ClipState_Out) // do not process only whole trees, next check on the tree node
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{
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return;
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}
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}
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}
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const Standard_Integer aFirstStored = mystored.Extent() + 1;
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Standard_Integer aStack[BVH_Constants_MaxTreeDepth];
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Standard_Integer aHead = -1;
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Standard_Integer aNode = 0; // a root node
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SelectMgr_FrustumCache aScaledTrnsfFrustums;
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SelectMgr_SelectingVolumeManager aTmpMgr (false);
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for (;;)
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{
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if (!aSensitivesTree->IsOuter (aNode))
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{
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const Standard_Integer aLeftChildIdx = aSensitivesTree->Child<0> (aNode);
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const Standard_Integer aRightChildIdx = aSensitivesTree->Child<1> (aNode);
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const Standard_Boolean isLeftChildIn = aMgr.Overlaps (aSensitivesTree->MinPoint (aLeftChildIdx),
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aSensitivesTree->MaxPoint (aLeftChildIdx));
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const Standard_Boolean isRightChildIn = aMgr.Overlaps (aSensitivesTree->MinPoint (aRightChildIdx),
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aSensitivesTree->MaxPoint (aRightChildIdx));
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if (isLeftChildIn
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&& isRightChildIn)
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{
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aNode = aLeftChildIdx;
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++aHead;
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aStack[aHead] = aRightChildIdx;
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}
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else if (isLeftChildIn
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|| isRightChildIn)
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{
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aNode = isLeftChildIn ? aLeftChildIdx : aRightChildIdx;
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}
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else
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{
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if (aHead < 0)
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{
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break;
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}
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aNode = aStack[aHead];
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--aHead;
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}
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}
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else
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{
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bool aClipped = false;
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if (!theMgr.ViewClipping().IsNull() &&
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theMgr.GetActiveSelectionType() == SelectBasics_SelectingVolumeManager::Box)
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{
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Graphic3d_BndBox3d aBBox (aSensitivesTree->MinPoint (aNode), aSensitivesTree->MaxPoint (aNode));
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// If box selection is active, and the whole sensitive tree is out of the clip planes
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// selection is empty for this object
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const Handle(Graphic3d_SequenceOfHClipPlane)& aViewPlanes = theMgr.ViewClipping();
|
|
|
|
for (Graphic3d_SequenceOfHClipPlane::Iterator aPlaneIt (*aViewPlanes); aPlaneIt.More(); aPlaneIt.Next())
|
|
{
|
|
const Handle(Graphic3d_ClipPlane)& aPlane = aPlaneIt.Value();
|
|
if (!aPlane->IsOn())
|
|
{
|
|
continue;
|
|
}
|
|
Graphic3d_ClipState aState = aPlane->ProbeBox (aBBox);
|
|
if (aState == Graphic3d_ClipState_Out)
|
|
{
|
|
aClipped = true;
|
|
break;
|
|
}
|
|
if (aState == Graphic3d_ClipState_On && !mySelectingVolumeMgr.IsOverlapAllowed()) // partially clipped
|
|
{
|
|
if (aPlane->ProbeBoxTouch (aBBox))
|
|
continue;
|
|
aClipped = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!aClipped)
|
|
{
|
|
Standard_Integer aStartIdx = aSensitivesTree->BegPrimitive (aNode);
|
|
Standard_Integer anEndIdx = aSensitivesTree->EndPrimitive (aNode);
|
|
for (Standard_Integer anIdx = aStartIdx; anIdx <= anEndIdx; ++anIdx)
|
|
{
|
|
const Handle(SelectMgr_SensitiveEntity)& aSensitive = anEntitySet->GetSensitiveById (anIdx);
|
|
if (aSensitive->IsActiveForSelection())
|
|
{
|
|
const Handle(Select3D_SensitiveEntity)& anEnt = aSensitive->BaseSensitive();
|
|
computeFrustum (anEnt, theMgr, aMgr, aInversedTrsf, aScaledTrnsfFrustums, aTmpMgr);
|
|
checkOverlap (anEnt, aInversedTrsf, aTmpMgr);
|
|
}
|
|
}
|
|
}
|
|
if (aHead < 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
aNode = aStack[aHead];
|
|
--aHead;
|
|
}
|
|
}
|
|
|
|
// in case of Box/Polyline selection - keep only Owners having all Entities detected
|
|
if (mySelectingVolumeMgr.IsOverlapAllowed()
|
|
|| (theMgr.GetActiveSelectionType() != SelectBasics_SelectingVolumeManager::Box
|
|
&& theMgr.GetActiveSelectionType() != SelectBasics_SelectingVolumeManager::Polyline))
|
|
{
|
|
return;
|
|
}
|
|
|
|
for (Standard_Integer aStoredIter = mystored.Extent(); aStoredIter >= aFirstStored; --aStoredIter)
|
|
{
|
|
const SelectMgr_SortCriterion& aCriterion = mystored.FindFromIndex (aStoredIter);
|
|
const Handle(SelectMgr_EntityOwner)& anOwner = aCriterion.Entity->OwnerId();
|
|
Standard_Integer aNbOwnerEntities = 0;
|
|
for (SelectMgr_IndexedMapOfHSensitive::Iterator aSensIter (anEntitySet->Sensitives()); aSensIter.More(); aSensIter.Next())
|
|
{
|
|
if (aSensIter.Value()->BaseSensitive()->OwnerId() == anOwner)
|
|
{
|
|
if (++aNbOwnerEntities > aCriterion.NbOwnerMatches)
|
|
{
|
|
// Remove from index map.
|
|
// Considering NCollection_IndexedDataMap implementation, the values for lower indexes will not be modified.
|
|
// Hence, just keep iterating in backward direction.
|
|
mystored.RemoveFromIndex (aStoredIter);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function: TraverseSensitives
|
|
// purpose : Traverses BVH containing all added selectable objects and
|
|
// finds candidates for further search of overlap
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::TraverseSensitives()
|
|
{
|
|
mystored.Clear();
|
|
|
|
Standard_Integer aWidth;
|
|
Standard_Integer aHeight;
|
|
mySelectingVolumeMgr.WindowSize (aWidth, aHeight);
|
|
mySelectableObjects.UpdateBVH (mySelectingVolumeMgr.Camera(),
|
|
mySelectingVolumeMgr.ProjectionMatrix(),
|
|
mySelectingVolumeMgr.WorldViewMatrix(),
|
|
mySelectingVolumeMgr.WorldViewProjState(),
|
|
aWidth, aHeight);
|
|
const Handle(Graphic3d_Camera)& aCamera = mySelectingVolumeMgr.Camera();
|
|
if (!aCamera.IsNull())
|
|
{
|
|
myCameraEye = aCamera->Eye().XYZ();
|
|
myCameraDir = aCamera->Direction().XYZ();
|
|
myCameraScale = aCamera->IsOrthographic()
|
|
? aCamera->Scale()
|
|
: 2.0 * Tan (aCamera->FOVy() * M_PI / 360.0);
|
|
const double aPixelSize = Max (1.0 / aWidth, 1.0 / aHeight);
|
|
myCameraScale *= aPixelSize;
|
|
}
|
|
|
|
for (Standard_Integer aBVHSetIt = 0; aBVHSetIt < SelectMgr_SelectableObjectSet::BVHSubsetNb; ++aBVHSetIt)
|
|
{
|
|
SelectMgr_SelectableObjectSet::BVHSubset aBVHSubset =
|
|
static_cast<SelectMgr_SelectableObjectSet::BVHSubset> (aBVHSetIt);
|
|
|
|
if (mySelectableObjects.IsEmpty (aBVHSubset))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
gp_GTrsf aTFrustum;
|
|
|
|
SelectMgr_SelectingVolumeManager aMgr (Standard_False);
|
|
|
|
// for 2D space selection transform selecting volumes to perform overap testing
|
|
// directly in camera's eye space omitting the camera position, which is not
|
|
// needed there at all
|
|
if (aBVHSubset == SelectMgr_SelectableObjectSet::BVHSubset_2dPersistent)
|
|
{
|
|
const Graphic3d_Mat4d& aMat = mySelectingVolumeMgr.WorldViewMatrix();
|
|
aTFrustum.SetValue (1, 1, aMat.GetValue (0, 0));
|
|
aTFrustum.SetValue (1, 2, aMat.GetValue (0, 1));
|
|
aTFrustum.SetValue (1, 3, aMat.GetValue (0, 2));
|
|
aTFrustum.SetValue (2, 1, aMat.GetValue (1, 0));
|
|
aTFrustum.SetValue (2, 2, aMat.GetValue (1, 1));
|
|
aTFrustum.SetValue (2, 3, aMat.GetValue (1, 2));
|
|
aTFrustum.SetValue (3, 1, aMat.GetValue (2, 0));
|
|
aTFrustum.SetValue (3, 2, aMat.GetValue (2, 1));
|
|
aTFrustum.SetValue (3, 3, aMat.GetValue (2, 2));
|
|
aTFrustum.SetTranslationPart (gp_XYZ (aMat.GetValue (0, 3), aMat.GetValue (1, 3), aMat.GetValue (2, 3)));
|
|
|
|
// define corresponding frustum builder parameters
|
|
Handle(SelectMgr_FrustumBuilder) aBuilder = new SelectMgr_FrustumBuilder();
|
|
aBuilder->SetProjectionMatrix (mySelectingVolumeMgr.ProjectionMatrix());
|
|
aBuilder->SetWorldViewMatrix (SelectMgr_ViewerSelector_THE_IDENTITY_MAT);
|
|
aBuilder->SetWindowSize (aWidth, aHeight);
|
|
aMgr = mySelectingVolumeMgr.ScaleAndTransform (1, aTFrustum, aBuilder);
|
|
}
|
|
else
|
|
{
|
|
aMgr = mySelectingVolumeMgr;
|
|
}
|
|
|
|
const Graphic3d_Mat4d& aProjectionMat = mySelectingVolumeMgr.ProjectionMatrix();
|
|
const Graphic3d_Mat4d& aWorldViewMat = aBVHSubset != SelectMgr_SelectableObjectSet::BVHSubset_2dPersistent
|
|
? mySelectingVolumeMgr.WorldViewMatrix()
|
|
: SelectMgr_ViewerSelector_THE_IDENTITY_MAT;
|
|
|
|
const opencascade::handle<BVH_Tree<Standard_Real, 3> >& aBVHTree = mySelectableObjects.BVH (aBVHSubset);
|
|
|
|
Standard_Integer aNode = 0;
|
|
if (!aMgr.Overlaps (aBVHTree->MinPoint (0), aBVHTree->MaxPoint (0)))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
Standard_Integer aStack[BVH_Constants_MaxTreeDepth];
|
|
Standard_Integer aHead = -1;
|
|
for (;;)
|
|
{
|
|
if (!aBVHTree->IsOuter (aNode))
|
|
{
|
|
const Standard_Integer aLeftChildIdx = aBVHTree->Child<0> (aNode);
|
|
const Standard_Integer aRightChildIdx = aBVHTree->Child<1> (aNode);
|
|
const Standard_Boolean isLeftChildIn =
|
|
aMgr.Overlaps (aBVHTree->MinPoint (aLeftChildIdx), aBVHTree->MaxPoint (aLeftChildIdx));
|
|
const Standard_Boolean isRightChildIn =
|
|
aMgr.Overlaps (aBVHTree->MinPoint (aRightChildIdx), aBVHTree->MaxPoint (aRightChildIdx));
|
|
if (isLeftChildIn
|
|
&& isRightChildIn)
|
|
{
|
|
aNode = aLeftChildIdx;
|
|
++aHead;
|
|
aStack[aHead] = aRightChildIdx;
|
|
}
|
|
else if (isLeftChildIn
|
|
|| isRightChildIn)
|
|
{
|
|
aNode = isLeftChildIn ? aLeftChildIdx : aRightChildIdx;
|
|
}
|
|
else
|
|
{
|
|
if (aHead < 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
aNode = aStack[aHead];
|
|
--aHead;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Standard_Integer aStartIdx = aBVHTree->BegPrimitive (aNode);
|
|
Standard_Integer anEndIdx = aBVHTree->EndPrimitive (aNode);
|
|
for (Standard_Integer anIdx = aStartIdx; anIdx <= anEndIdx; ++anIdx)
|
|
{
|
|
const Handle(SelectMgr_SelectableObject)& aSelectableObject =
|
|
mySelectableObjects.GetObjectById (aBVHSubset, anIdx);
|
|
|
|
traverseObject (aSelectableObject, aMgr, aCamera, aProjectionMat, aWorldViewMat, aWidth, aHeight);
|
|
}
|
|
if (aHead < 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
aNode = aStack[aHead];
|
|
--aHead;
|
|
}
|
|
}
|
|
}
|
|
|
|
SortResult();
|
|
}
|
|
|
|
//==================================================
|
|
// Function: ClearPicked
|
|
// Purpose :
|
|
//==================================================
|
|
void SelectMgr_ViewerSelector::ClearPicked()
|
|
{
|
|
mystored.Clear();
|
|
}
|
|
|
|
//==================================================
|
|
// Function: Picked
|
|
// Purpose :
|
|
//==================================================
|
|
Handle(SelectMgr_EntityOwner) SelectMgr_ViewerSelector::Picked() const
|
|
{
|
|
const Standard_Integer aRankInMap = myIndexes->Value (myCurRank);
|
|
const Handle(SelectMgr_EntityOwner)& anOwner = mystored.FindKey (aRankInMap);
|
|
return anOwner;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Picked
|
|
//purpose :
|
|
//=======================================================================
|
|
Handle(SelectMgr_EntityOwner) SelectMgr_ViewerSelector::Picked (const Standard_Integer theRank) const
|
|
{
|
|
if (theRank < 1 || theRank > NbPicked())
|
|
{
|
|
return Handle(SelectMgr_EntityOwner)();
|
|
}
|
|
|
|
const Standard_Integer anOwnerIdx = myIndexes->Value (theRank);
|
|
const Handle(SelectMgr_EntityOwner)& aStoredOwner = mystored.FindKey (anOwnerIdx);
|
|
return aStoredOwner;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : PickedData
|
|
//purpose :
|
|
//=======================================================================
|
|
const SelectMgr_SortCriterion& SelectMgr_ViewerSelector::PickedData(const Standard_Integer theRank) const
|
|
{
|
|
Standard_OutOfRange_Raise_if (theRank < 1 || theRank > NbPicked(), "SelectMgr_ViewerSelector::PickedData() out of range index");
|
|
const Standard_Integer anOwnerIdx = myIndexes->Value (theRank);
|
|
return mystored.FindFromIndex (anOwnerIdx);
|
|
}
|
|
|
|
//===================================================
|
|
//
|
|
// INTERNAL METHODS ....
|
|
//
|
|
//==================================================
|
|
|
|
//==================================================
|
|
// Function: SetEntitySetBuilder
|
|
// Purpose :
|
|
//==================================================
|
|
void SelectMgr_ViewerSelector::SetEntitySetBuilder (const Handle(Select3D_BVHBuilder3d)& theBuilder)
|
|
{
|
|
myEntitySetBuilder = theBuilder;
|
|
for (SelectMgr_MapOfObjectSensitives::Iterator aSetIter (myMapOfObjectSensitives); aSetIter.More(); aSetIter.Next())
|
|
{
|
|
aSetIter.ChangeValue()->SetBuilder (myEntitySetBuilder);
|
|
}
|
|
}
|
|
|
|
//==================================================
|
|
// Function: Contains
|
|
// Purpose :
|
|
//==================================================
|
|
Standard_Boolean SelectMgr_ViewerSelector::Contains (const Handle(SelectMgr_SelectableObject)& theObject) const
|
|
{
|
|
return mySelectableObjects.Contains (theObject);
|
|
}
|
|
|
|
//==================================================
|
|
// Function: ActiveModes
|
|
// Purpose : return all the modes with a given state for an object
|
|
//==================================================
|
|
Standard_Boolean SelectMgr_ViewerSelector::Modes (const Handle(SelectMgr_SelectableObject)& theSelectableObject,
|
|
TColStd_ListOfInteger& theModeList,
|
|
const SelectMgr_StateOfSelection theWantedState) const
|
|
{
|
|
Standard_Boolean hasActivatedStates = Contains (theSelectableObject);
|
|
for (SelectMgr_SequenceOfSelection::Iterator aSelIter (theSelectableObject->Selections()); aSelIter.More(); aSelIter.Next())
|
|
{
|
|
if (theWantedState == SelectMgr_SOS_Any)
|
|
{
|
|
theModeList.Append (aSelIter.Value()->Mode());
|
|
}
|
|
else if (theWantedState == aSelIter.Value()->GetSelectionState())
|
|
{
|
|
theModeList.Append (aSelIter.Value()->Mode());
|
|
}
|
|
}
|
|
|
|
return hasActivatedStates;
|
|
}
|
|
|
|
//==================================================
|
|
// Function: IsActive
|
|
// Purpose :
|
|
//==================================================
|
|
Standard_Boolean SelectMgr_ViewerSelector::IsActive (const Handle(SelectMgr_SelectableObject)& theSelectableObject,
|
|
const Standard_Integer theMode) const
|
|
{
|
|
if (!Contains (theSelectableObject))
|
|
return Standard_False;
|
|
|
|
const Handle(SelectMgr_Selection)& aSel = theSelectableObject->Selection (theMode);
|
|
return !aSel.IsNull()
|
|
&& aSel->GetSelectionState() == SelectMgr_SOS_Activated;
|
|
}
|
|
|
|
//==================================================
|
|
// Function: IsInside
|
|
// Purpose :
|
|
//==================================================
|
|
Standard_Boolean SelectMgr_ViewerSelector::IsInside (const Handle(SelectMgr_SelectableObject)& theSelectableObject,
|
|
const Standard_Integer theMode) const
|
|
{
|
|
if (!Contains (theSelectableObject))
|
|
return Standard_False;
|
|
|
|
const Handle(SelectMgr_Selection)& aSel = theSelectableObject->Selection (theMode);
|
|
return !aSel.IsNull()
|
|
&& aSel->GetSelectionState() != SelectMgr_SOS_Unknown;
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Status
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
SelectMgr_StateOfSelection SelectMgr_ViewerSelector::Status (const Handle(SelectMgr_Selection)& theSelection) const
|
|
{
|
|
return theSelection->GetSelectionState();
|
|
}
|
|
|
|
//==================================================
|
|
// Function: Status
|
|
// Purpose : gives Information about selectors
|
|
//==================================================
|
|
|
|
TCollection_AsciiString SelectMgr_ViewerSelector::Status (const Handle(SelectMgr_SelectableObject)& theSelectableObject) const
|
|
{
|
|
TCollection_AsciiString aStatus ("Status Object :\n\t");
|
|
for (SelectMgr_SequenceOfSelection::Iterator aSelIter (theSelectableObject->Selections()); aSelIter.More(); aSelIter.Next())
|
|
{
|
|
if (aSelIter.Value()->GetSelectionState() != SelectMgr_SOS_Unknown)
|
|
{
|
|
aStatus = aStatus + "Mode " + TCollection_AsciiString (aSelIter.Value()->Mode()) + " present - "
|
|
+ (aSelIter.Value()->GetSelectionState() == SelectMgr_SOS_Activated ? " Active \n\t" : " Inactive \n\t");
|
|
}
|
|
}
|
|
|
|
if (!Contains (theSelectableObject))
|
|
{
|
|
aStatus = aStatus + "Not Present in the selector\n\n";
|
|
}
|
|
|
|
return aStatus;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : SortResult
|
|
//purpose : there is a certain number of entities ranged by criteria
|
|
// (depth, size, priority, mouse distance from borders or
|
|
// CDG of the detected primitive. Parsing :
|
|
// maximum priorities .
|
|
// then a reasonable compromise between depth and distance...
|
|
// finally the ranges are stored in myindexes depending on the parsing.
|
|
// so, it is possible to only read
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::SortResult()
|
|
{
|
|
if(mystored.IsEmpty()) return;
|
|
|
|
const Standard_Integer anExtent = mystored.Extent();
|
|
if(myIndexes.IsNull() || anExtent != myIndexes->Length())
|
|
myIndexes = new TColStd_HArray1OfInteger (1, anExtent);
|
|
|
|
TColStd_Array1OfInteger& anIndexArray = myIndexes->ChangeArray1();
|
|
for (Standard_Integer anIndexIter = 1; anIndexIter <= anExtent; ++anIndexIter)
|
|
{
|
|
anIndexArray.SetValue (anIndexIter, anIndexIter);
|
|
}
|
|
std::sort (anIndexArray.begin(), anIndexArray.end(), CompareResults (mystored));
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : AddSelectableObject
|
|
// purpose : Adds new object to the map of selectable objects
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::AddSelectableObject (const Handle(SelectMgr_SelectableObject)& theObject)
|
|
{
|
|
if (!myMapOfObjectSensitives.IsBound (theObject))
|
|
{
|
|
mySelectableObjects.Append (theObject);
|
|
Handle(SelectMgr_SensitiveEntitySet) anEntitySet = new SelectMgr_SensitiveEntitySet (myEntitySetBuilder);
|
|
myMapOfObjectSensitives.Bind (theObject, anEntitySet);
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : AddSelectionToObject
|
|
// purpose : Adds new selection to the object and builds its BVH tree
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::AddSelectionToObject (const Handle(SelectMgr_SelectableObject)& theObject,
|
|
const Handle(SelectMgr_Selection)& theSelection)
|
|
{
|
|
if (Handle(SelectMgr_SensitiveEntitySet)* anEntitySet = myMapOfObjectSensitives.ChangeSeek (theObject))
|
|
{
|
|
(*anEntitySet)->Append (theSelection);
|
|
(*anEntitySet)->BVH();
|
|
}
|
|
else
|
|
{
|
|
AddSelectableObject (theObject);
|
|
AddSelectionToObject (theObject, theSelection);
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : MoveSelectableObject
|
|
// purpose :
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::MoveSelectableObject (const Handle(SelectMgr_SelectableObject)& theObject)
|
|
{
|
|
mySelectableObjects.ChangeSubset (theObject);
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : RemoveSelectableObject
|
|
// purpose : Removes selectable object from map of selectable ones
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::RemoveSelectableObject (const Handle(SelectMgr_SelectableObject)& theObject)
|
|
{
|
|
Handle(SelectMgr_SelectableObject) anObj = theObject;
|
|
if (myMapOfObjectSensitives.UnBind (theObject))
|
|
{
|
|
mySelectableObjects.Remove (theObject);
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : RemoveSelectionOfObject
|
|
// purpose : Removes selection of the object and marks its BVH tree
|
|
// for rebuild
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::RemoveSelectionOfObject (const Handle(SelectMgr_SelectableObject)& theObject,
|
|
const Handle(SelectMgr_Selection)& theSelection)
|
|
{
|
|
if (Handle(SelectMgr_SensitiveEntitySet)* anEntitySet = myMapOfObjectSensitives.ChangeSeek (theObject))
|
|
{
|
|
(*anEntitySet)->Remove (theSelection);
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : RebuildObjectsTree
|
|
// purpose : Marks BVH of selectable objects for rebuild
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::RebuildObjectsTree (const Standard_Boolean theIsForce)
|
|
{
|
|
mySelectableObjects.MarkDirty();
|
|
|
|
if (theIsForce)
|
|
{
|
|
Standard_Integer aViewportWidth, aViewportHeight;
|
|
mySelectingVolumeMgr.WindowSize (aViewportWidth, aViewportHeight);
|
|
|
|
Standard_Integer aWidth;
|
|
Standard_Integer aHeight;
|
|
mySelectingVolumeMgr.WindowSize (aWidth, aHeight);
|
|
mySelectableObjects.UpdateBVH (mySelectingVolumeMgr.Camera(),
|
|
mySelectingVolumeMgr.ProjectionMatrix(),
|
|
mySelectingVolumeMgr.WorldViewMatrix(),
|
|
mySelectingVolumeMgr.WorldViewProjState(),
|
|
aWidth, aHeight);
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : RebuildSensitivesTree
|
|
// purpose : Marks BVH of sensitive entities of particular selectable
|
|
// object for rebuild
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::RebuildSensitivesTree (const Handle(SelectMgr_SelectableObject)& theObject,
|
|
const Standard_Boolean theIsForce)
|
|
{
|
|
if (!Contains (theObject))
|
|
return;
|
|
|
|
Handle(SelectMgr_SensitiveEntitySet)& anEntitySet = myMapOfObjectSensitives.ChangeFind (theObject);
|
|
anEntitySet->MarkDirty();
|
|
|
|
if (theIsForce)
|
|
{
|
|
anEntitySet->BVH();
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : resetSelectionActivationStatus
|
|
// purpose : Marks all added sensitive entities of all objects as
|
|
// non-selectable
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::ResetSelectionActivationStatus()
|
|
{
|
|
for (SelectMgr_MapOfObjectSensitivesIterator aSensitivesIter (myMapOfObjectSensitives); aSensitivesIter.More(); aSensitivesIter.Next())
|
|
{
|
|
Handle(SelectMgr_SensitiveEntitySet)& anEntitySet = aSensitivesIter.ChangeValue();
|
|
const Standard_Integer anEntitiesNb = anEntitySet->Size();
|
|
for (Standard_Integer anIdx = 0; anIdx < anEntitiesNb; ++anIdx)
|
|
{
|
|
anEntitySet->GetSensitiveById (anIdx)->ResetSelectionActiveStatus();
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : DetectedEntity
|
|
// purpose : Returns sensitive entity that was detected during the
|
|
// previous run of selection algorithm
|
|
//=======================================================================
|
|
const Handle(Select3D_SensitiveEntity)& SelectMgr_ViewerSelector::DetectedEntity() const
|
|
{
|
|
const Standard_Integer aRankInMap = myIndexes->Value(myCurRank);
|
|
return mystored.FindFromIndex (aRankInMap).Entity;
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : ActiveOwners
|
|
// purpose : Returns the list of active entity owners
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::ActiveOwners (NCollection_List<Handle(SelectMgr_EntityOwner)>& theOwners) const
|
|
{
|
|
for (SelectMgr_MapOfObjectSensitivesIterator anIter (myMapOfObjectSensitives); anIter.More(); anIter.Next())
|
|
{
|
|
const Handle(SelectMgr_SensitiveEntitySet)& anEntitySet = anIter.Value();
|
|
const Standard_Integer anEntitiesNb = anEntitySet->Size();
|
|
for (Standard_Integer anIdx = 0; anIdx < anEntitiesNb; ++anIdx)
|
|
{
|
|
const Handle(SelectMgr_SensitiveEntity)& aSensitive = anEntitySet->GetSensitiveById (anIdx);
|
|
if (aSensitive->IsActiveForSelection())
|
|
{
|
|
theOwners.Append (aSensitive->BaseSensitive()->OwnerId());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : AllowOverlapDetection
|
|
//purpose : Sets the detection type: if theIsToAllow is false,
|
|
// only fully included sensitives will be detected, otherwise
|
|
// the algorithm will mark both included and overlapped entities
|
|
// as matched
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::AllowOverlapDetection (const Standard_Boolean theIsToAllow)
|
|
{
|
|
mySelectingVolumeMgr.AllowOverlapDetection (theIsToAllow);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : DumpJson
|
|
//purpose :
|
|
//=======================================================================
|
|
void SelectMgr_ViewerSelector::DumpJson (Standard_OStream& theOStream, const Standard_Integer) const
|
|
{
|
|
DUMP_CLASS_BEGIN (theOStream, SelectMgr_ViewerSelector);
|
|
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, preferclosest);
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, myToUpdateTolerance);
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, mystored.Extent());
|
|
|
|
Standard_Integer aNbOfSelected = 0;
|
|
for (SelectMgr_SelectableObjectSet::Iterator aSelectableIt (mySelectableObjects); aSelectableIt.More(); aSelectableIt.Next())
|
|
{
|
|
aNbOfSelected++;
|
|
}
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, aNbOfSelected);
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, myTolerances.Tolerance());
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, myTolerances.CustomTolerance());
|
|
DUMP_FIELD_VALUE_NUMERICAL (theOStream, myZLayerOrderMap.Size());
|
|
}
|