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266877a7c3
SelectMgr_SensitiveEntitySet now stores a map of registered owners with a counter of registered entities. SelectMgr_ViewerSelector::traverseObject() now reads the number of sensitive entities for specific owner from SelectMgr_SensitiveEntitySet instead of re-computing it every time.
97 lines
4.2 KiB
C++
97 lines
4.2 KiB
C++
// Created on: 2014-08-15
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// Created by: Varvara POSKONINA
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// Copyright (c) 2005-2014 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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#ifndef _SelectMgr_SensitiveEntitySet_HeaderFile
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#define _SelectMgr_SensitiveEntitySet_HeaderFile
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#include <BVH_PrimitiveSet3d.hxx>
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#include <NCollection_DataMap.hxx>
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#include <NCollection_IndexedMap.hxx>
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#include <Select3D_BndBox3d.hxx>
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#include <Select3D_BVHBuilder3d.hxx>
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#include <SelectMgr_EntityOwner.hxx>
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#include <SelectMgr_SensitiveEntity.hxx>
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#include <SelectMgr_Selection.hxx>
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typedef NCollection_IndexedMap<Handle(SelectMgr_SensitiveEntity)> SelectMgr_IndexedMapOfHSensitive;
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typedef NCollection_DataMap<Handle(SelectMgr_EntityOwner), Standard_Integer> SelectMgr_MapOfOwners;
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//! This class is used to store all calculated sensitive entites of one selectable
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//! object. It provides an interface for building BVH tree which is used to speed-up
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//! the performance of searching for overlap among sensitives of one selectable object
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class SelectMgr_SensitiveEntitySet : public BVH_PrimitiveSet3d
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{
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DEFINE_STANDARD_RTTIEXT(SelectMgr_SensitiveEntitySet, BVH_PrimitiveSet3d)
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public:
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//! Empty constructor.
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Standard_EXPORT SelectMgr_SensitiveEntitySet (const Handle(Select3D_BVHBuilder3d)& theBuilder);
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virtual ~SelectMgr_SensitiveEntitySet() {}
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//! Adds new entity to the set and marks BVH tree for rebuild
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Standard_EXPORT void Append (const Handle(SelectMgr_SensitiveEntity)& theEntity);
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//! Adds every entity of selection theSelection to the set and marks
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//! BVH tree for rebuild
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Standard_EXPORT void Append (const Handle(SelectMgr_Selection)& theSelection);
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//! Removes every entity of selection theSelection from the set
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//! and marks BVH tree for rebuild
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Standard_EXPORT void Remove (const Handle(SelectMgr_Selection)& theSelection);
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//! Returns bounding box of entity with index theIdx
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Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIndex) const Standard_OVERRIDE;
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//! Make inherited method Box() visible to avoid CLang warning
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using BVH_PrimitiveSet3d::Box;
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//! Returns geometry center of sensitive entity index theIdx
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//! along the given axis theAxis
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Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIndex,
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const Standard_Integer theAxis) const Standard_OVERRIDE;
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//! Swaps items with indexes theIdx1 and theIdx2
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Standard_EXPORT virtual void Swap (const Standard_Integer theIndex1,
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const Standard_Integer theIndex2) Standard_OVERRIDE;
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//! Returns the amount of entities
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Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE;
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//! Returns the entity with index theIndex in the set
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Standard_EXPORT const Handle(SelectMgr_SensitiveEntity)& GetSensitiveById (const Standard_Integer theIndex) const;
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//! Returns map of entities.
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const SelectMgr_IndexedMapOfHSensitive& Sensitives() const { return mySensitives; }
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//! Returns map of owners.
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const SelectMgr_MapOfOwners& Owners() const { return myOwnersMap; }
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protected:
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//! Adds entity owner to the map of owners (or increases its counter if it is already there).
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Standard_EXPORT void addOwner (const Handle(SelectMgr_EntityOwner)& theOwner);
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//! Decreases counter of owner in the map of owners (or removes it from the map if counter == 0).
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Standard_EXPORT void removeOwner (const Handle(SelectMgr_EntityOwner)& theOwner);
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private:
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SelectMgr_IndexedMapOfHSensitive mySensitives; //!< Map of entities and its corresponding index in BVH
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SelectMgr_MapOfOwners myOwnersMap; //!< Map of entity owners and its corresponding number of sensitives
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};
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#endif // _SelectMgr_SensitiveEntitySet_HeaderFile
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