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1 | // Created on: 2014-08-15 |
2 | // Created by: Varvara POSKONINA |
3 | // Copyright (c) 2005-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _SelectMgr_SensitiveEntitySet_HeaderFile |
17 | #define _SelectMgr_SensitiveEntitySet_HeaderFile |
18 | |
19 | #include <BVH_PrimitiveSet.hxx> |
20 | |
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21 | #include <NCollection_IndexedMap.hxx> |
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22 | #include <NCollection_Handle.hxx> |
23 | |
24 | #include <Select3D_BndBox3d.hxx> |
25 | |
26 | #include <SelectMgr_SensitiveEntity.hxx> |
27 | #include <SelectMgr_Selection.hxx> |
28 | |
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29 | typedef NCollection_IndexedMap<Handle(SelectMgr_SensitiveEntity)> SelectMgr_IndexedMapOfHSensitive; |
30 | |
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31 | //! This class is used to store all calculated sensitive entites of one selectable |
32 | //! object. It provides an interface for building BVH tree which is used to speed-up |
33 | //! the performance of searching for overlap among sensitives of one selectable object |
34 | class SelectMgr_SensitiveEntitySet : public BVH_PrimitiveSet<Standard_Real, 3> |
35 | { |
36 | public: |
37 | |
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38 | Standard_EXPORT SelectMgr_SensitiveEntitySet(); |
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39 | |
40 | virtual ~SelectMgr_SensitiveEntitySet() {}; |
41 | |
42 | //! Adds new entity to the set and marks BVH tree for rebuild |
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43 | Standard_EXPORT void Append (const Handle(SelectMgr_SensitiveEntity)& theEntity); |
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44 | |
45 | //! Adds every entity of selection theSelection to the set and marks |
46 | //! BVH tree for rebuild |
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47 | Standard_EXPORT void Append (const Handle(SelectMgr_Selection)& theSelection); |
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48 | |
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49 | //! Removes every entity of selection theSelection from the set |
50 | //! and marks BVH tree for rebuild |
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51 | Standard_EXPORT void Remove (const Handle(SelectMgr_Selection)& theSelection); |
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52 | |
53 | //! Returns bounding box of entity with index theIdx |
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54 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIndex) const Standard_OVERRIDE; |
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55 | |
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56 | //! Make inherited method Box() visible to avoid CLang warning |
57 | using BVH_PrimitiveSet<Standard_Real, 3>::Box; |
58 | |
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59 | //! Returns geometry center of sensitive entity index theIdx |
60 | //! along the given axis theAxis |
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61 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIndex, |
62 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
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63 | |
64 | //! Swaps items with indexes theIdx1 and theIdx2 |
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65 | Standard_EXPORT virtual void Swap (const Standard_Integer theIndex1, |
66 | const Standard_Integer theIndex2) Standard_OVERRIDE; |
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67 | |
68 | //! Returns the amount of entities |
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69 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
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70 | |
71 | //! Returns the entity with index theIndex in the set |
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72 | Standard_EXPORT const Handle(SelectMgr_SensitiveEntity)& GetSensitiveById (const Standard_Integer theIndex) const; |
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73 | |
74 | private: |
75 | |
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76 | SelectMgr_IndexedMapOfHSensitive mySensitives; //!< Map of entities and its corresponding index in BVH |
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77 | }; |
78 | |
79 | #endif // _SelectMgr_SensitiveEntitySet_HeaderFile |