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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 | { |
28 | myBuilder = new BVH_BinnedBuilder<Standard_Real, 3, 32> (1, 32, Standard_False); |
29 | } |
30 | |
31 | //======================================================================= |
32 | // function : Append |
33 | // purpose : Adds new object to the set and marks BVH tree for rebuild |
34 | //======================================================================= |
35 | void SelectMgr_SelectableObjectSet::Append (const Handle(SelectMgr_SelectableObject)& theObject) |
36 | { |
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37 | if (Size() < myObjects.Add (theObject)) |
38 | { |
39 | MarkDirty(); |
40 | } |
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41 | } |
42 | |
43 | //======================================================================= |
44 | // function : Remove |
45 | // purpose : Removes object theObject from set and marks BVH tree for |
46 | // rebuild |
47 | //======================================================================= |
48 | void SelectMgr_SelectableObjectSet::Remove (const Handle(SelectMgr_SelectableObject)& theObject) |
49 | { |
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50 | const Standard_Integer anIndex = myObjects.FindIndex (theObject); |
51 | |
52 | if (anIndex != 0) |
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53 | { |
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54 | if (anIndex != Size()) |
55 | { |
56 | Swap (anIndex - 1, Size() - 1); |
57 | } |
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58 | |
59 | myObjects.RemoveLast(); |
60 | |
61 | MarkDirty(); |
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62 | } |
63 | } |
64 | |
65 | //======================================================================= |
66 | // function : Box |
67 | // purpose : Returns bounding box of object with index theIndex |
68 | //======================================================================= |
69 | Select3D_BndBox3d SelectMgr_SelectableObjectSet::Box (const Standard_Integer theIndex) const |
70 | { |
71 | const Handle(SelectMgr_SelectableObject)& anObject = GetObjectById (theIndex); |
72 | Bnd_Box aBox; |
73 | anObject->BoundingBox (aBox); |
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74 | if (aBox.IsVoid()) |
75 | return Select3D_BndBox3d(); |
76 | |
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77 | return Select3D_BndBox3d (SelectMgr_Vec3 (aBox.CornerMin().X(), aBox.CornerMin().Y(), aBox.CornerMin().Z()), |
78 | SelectMgr_Vec3 (aBox.CornerMax().X(), aBox.CornerMax().Y(), aBox.CornerMax().Z())); |
79 | } |
80 | |
81 | //======================================================================= |
82 | // function : Center |
83 | // purpose : Returns center of object with index theIndex in the set |
84 | // along the given axis theAxis |
85 | //======================================================================= |
86 | Standard_Real SelectMgr_SelectableObjectSet::Center (const Standard_Integer theIndex, |
87 | const Standard_Integer theAxis) const |
88 | { |
89 | Select3D_BndBox3d aBndBox = Box (theIndex); |
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90 | |
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91 | return (aBndBox.CornerMin()[theAxis] + |
92 | aBndBox.CornerMax()[theAxis]) * 0.5; |
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93 | } |
94 | |
95 | //======================================================================= |
96 | // function : Swap |
97 | // purpose : Swaps items with indexes theIndex1 and theIndex2 in the set |
98 | //======================================================================= |
99 | void SelectMgr_SelectableObjectSet::Swap (const Standard_Integer theIndex1, |
100 | const Standard_Integer theIndex2) |
101 | { |
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102 | const Standard_Integer aIndex1 = theIndex1 + 1; |
103 | const Standard_Integer aIndex2 = theIndex2 + 1; |
104 | |
105 | Handle(SelectMgr_SelectableObject) anObject1 = myObjects.FindKey (aIndex1); |
106 | Handle(SelectMgr_SelectableObject) anObject2 = myObjects.FindKey (aIndex2); |
107 | |
108 | myObjects.Substitute (aIndex1, EMPTY_OBJ); |
109 | myObjects.Substitute (aIndex2, anObject1); |
110 | myObjects.Substitute (aIndex1, anObject2); |
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111 | } |
112 | |
113 | //======================================================================= |
114 | // function : Size |
115 | // purpose : Returns size of objects set |
116 | //======================================================================= |
117 | Standard_Integer SelectMgr_SelectableObjectSet::Size() const |
118 | { |
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119 | return myObjects.Size(); |
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120 | } |
121 | |
122 | //======================================================================= |
123 | // function : GetObjectById |
124 | // purpose : Returns object from set by theIndex given |
125 | //======================================================================= |
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126 | const Handle(SelectMgr_SelectableObject)& SelectMgr_SelectableObjectSet::GetObjectById (const Standard_Integer theIndex) const |
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127 | { |
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128 | return myObjects.FindKey (theIndex + 1); |
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129 | } |
130 | |
131 | //======================================================================= |
132 | // function : Contains |
133 | // purpose : Returns true if this objects set contains theObject given |
134 | //======================================================================= |
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135 | Standard_Boolean SelectMgr_SelectableObjectSet::Contains (const Handle(SelectMgr_SelectableObject)& theObject) const |
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136 | { |
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137 | return myObjects.Contains (theObject); |
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138 | } |