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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 | #include <Bnd_Box.hxx> |
17 | #include <BVH_BinnedBuilder.hxx> |
18 | |
19 | #include <SelectMgr_SelectableObjectSet.hxx> |
20 | |
21 | //======================================================================= |
22 | // function : SelectMgr_SelectableObjectSet |
23 | // purpose : Creates new empty objects set and initializes BVH tree |
24 | // builder to Binned builder with 1 element per list |
25 | //======================================================================= |
26 | SelectMgr_SelectableObjectSet::SelectMgr_SelectableObjectSet() |
27 | { |
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28 | myBuilder = new BVH_BinnedBuilder<Standard_Real, 3, 4> (1, 32, Standard_True); |
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29 | } |
30 | |
31 | //======================================================================= |
32 | // function : Append |
33 | // purpose : Adds new object to the set and marks BVH tree for rebuild |
34 | //======================================================================= |
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35 | Standard_Boolean SelectMgr_SelectableObjectSet::Append (const Handle(SelectMgr_SelectableObject)& theObject) |
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36 | { |
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37 | Standard_Integer aSize = Size(); |
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38 | |
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39 | if (aSize < myObjects.Add (theObject)) |
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40 | { |
41 | MarkDirty(); |
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42 | |
43 | return Standard_True; |
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44 | } |
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45 | |
46 | return Standard_False; |
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47 | } |
48 | |
49 | //======================================================================= |
50 | // function : Remove |
51 | // purpose : Removes object theObject from set and marks BVH tree for |
52 | // rebuild |
53 | //======================================================================= |
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54 | Standard_Boolean SelectMgr_SelectableObjectSet::Remove (const Handle(SelectMgr_SelectableObject)& theObject) |
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55 | { |
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56 | const Standard_Integer anIndex = myObjects.FindIndex (theObject); |
57 | |
58 | if (anIndex != 0) |
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59 | { |
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60 | if (anIndex != Size()) |
61 | { |
62 | Swap (anIndex - 1, Size() - 1); |
63 | } |
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64 | |
65 | myObjects.RemoveLast(); |
66 | |
67 | MarkDirty(); |
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68 | |
69 | return Standard_True; |
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70 | } |
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71 | |
72 | return Standard_False; |
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73 | } |
74 | |
75 | //======================================================================= |
76 | // function : Box |
77 | // purpose : Returns bounding box of object with index theIndex |
78 | //======================================================================= |
79 | Select3D_BndBox3d SelectMgr_SelectableObjectSet::Box (const Standard_Integer theIndex) const |
80 | { |
81 | const Handle(SelectMgr_SelectableObject)& anObject = GetObjectById (theIndex); |
82 | Bnd_Box aBox; |
83 | anObject->BoundingBox (aBox); |
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84 | if (aBox.IsVoid()) |
85 | return Select3D_BndBox3d(); |
86 | |
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87 | return Select3D_BndBox3d (SelectMgr_Vec3 (aBox.CornerMin().X(), aBox.CornerMin().Y(), aBox.CornerMin().Z()), |
88 | SelectMgr_Vec3 (aBox.CornerMax().X(), aBox.CornerMax().Y(), aBox.CornerMax().Z())); |
89 | } |
90 | |
91 | //======================================================================= |
92 | // function : Center |
93 | // purpose : Returns center of object with index theIndex in the set |
94 | // along the given axis theAxis |
95 | //======================================================================= |
96 | Standard_Real SelectMgr_SelectableObjectSet::Center (const Standard_Integer theIndex, |
97 | const Standard_Integer theAxis) const |
98 | { |
99 | Select3D_BndBox3d aBndBox = Box (theIndex); |
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100 | |
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101 | return (aBndBox.CornerMin()[theAxis] + |
102 | aBndBox.CornerMax()[theAxis]) * 0.5; |
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103 | } |
104 | |
105 | //======================================================================= |
106 | // function : Swap |
107 | // purpose : Swaps items with indexes theIndex1 and theIndex2 in the set |
108 | //======================================================================= |
109 | void SelectMgr_SelectableObjectSet::Swap (const Standard_Integer theIndex1, |
110 | const Standard_Integer theIndex2) |
111 | { |
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112 | myObjects.Swap (theIndex1 + 1, theIndex2 + 1); |
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113 | } |
114 | |
115 | //======================================================================= |
116 | // function : Size |
117 | // purpose : Returns size of objects set |
118 | //======================================================================= |
119 | Standard_Integer SelectMgr_SelectableObjectSet::Size() const |
120 | { |
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121 | return myObjects.Size(); |
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122 | } |