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1 | // Created on: 2013-12-20 |
2 | // Created by: Denis BOGOLEPOV |
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3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
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4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
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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 |
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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 <BVH_BinnedBuilder.hxx> |
17 | |
18 | // ======================================================================= |
19 | // function : BVH_PrimitiveSet |
20 | // purpose : |
21 | // ======================================================================= |
22 | template<class T, int N> |
23 | BVH_PrimitiveSet<T, N>::BVH_PrimitiveSet() |
24 | : myBVH (new BVH_Tree<T, N>()) |
25 | { |
26 | // Set default builder - binned SAH split |
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27 | myBuilder = new BVH_BinnedBuilder<T, N, 48> (5, MaxTreeDepth); |
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28 | } |
29 | |
30 | // ======================================================================= |
31 | // function : ~BVH_PrimitiveSet |
32 | // purpose : |
33 | // ======================================================================= |
34 | template<class T, int N> |
35 | BVH_PrimitiveSet<T, N>::~BVH_PrimitiveSet() |
36 | { |
37 | myBVH.Nullify(); |
38 | myBuilder.Nullify(); |
39 | } |
40 | |
41 | // ======================================================================= |
42 | // function : BVH |
43 | // purpose : |
44 | // ======================================================================= |
45 | template<class T, int N> |
46 | const NCollection_Handle<BVH_Tree<T, N> >& BVH_PrimitiveSet<T, N>::BVH() |
47 | { |
48 | if (BVH_Object<T, N>::myIsDirty) |
49 | { |
50 | Update(); |
51 | } |
52 | |
53 | return myBVH; |
54 | } |
55 | |
56 | // ======================================================================= |
57 | // function : Box |
58 | // purpose : |
59 | // ======================================================================= |
60 | template<class T, int N> |
61 | BVH_Box<T, N> BVH_PrimitiveSet<T, N>::Box() const |
62 | { |
63 | if (!BVH_Object<T, N>::myIsDirty) |
64 | { |
65 | return myBox; |
66 | } |
67 | |
68 | myBox = BVH_Set<T, N>::Box(); |
69 | return myBox; |
70 | } |
71 | |
72 | // ======================================================================= |
73 | // function : Update |
74 | // purpose : |
75 | // ======================================================================= |
76 | template<class T, int N> |
77 | void BVH_PrimitiveSet<T, N>::Update() |
78 | { |
79 | if (!BVH_Object<T, N>::myIsDirty) |
80 | { |
81 | return; |
82 | } |
83 | |
84 | myBuilder->Build (this, myBVH.operator->(), Box()); |
85 | BVH_Object<T, N>::myIsDirty = Standard_False; |
86 | } |
87 | |
88 | // ======================================================================= |
89 | // function : Builder |
90 | // purpose : |
91 | // ======================================================================= |
92 | template<class T, int N> |
93 | const NCollection_Handle<BVH_Builder<T, N> >& BVH_PrimitiveSet<T, N>::Builder() const |
94 | { |
95 | return myBuilder; |
96 | } |
97 | |
98 | // ======================================================================= |
99 | // function : SetBuilder |
100 | // purpose : |
101 | // ======================================================================= |
102 | template<class T, int N> |
103 | void BVH_PrimitiveSet<T, N>::SetBuilder (NCollection_Handle<BVH_Builder<T, N> >& theBuilder) |
104 | { |
105 | myBuilder = theBuilder; |
106 | } |