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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 | namespace BVHTools |
17 | { |
18 | template<class T, int N> struct VecComp |
19 | { |
20 | // Not implemented |
21 | }; |
22 | |
23 | template<class T> struct VecComp<T, 2> |
24 | { |
25 | typedef typename BVHTools::VectorType<T, 2>::Type BVH_Vec2t; |
26 | |
27 | static T Get (const BVH_Vec2t& theVec, |
28 | const Standard_Integer theAxis) |
29 | { |
30 | return theAxis == 0 ? theVec.x() : theVec.y(); |
31 | } |
32 | }; |
33 | |
34 | template<class T> struct VecComp<T, 3> |
35 | { |
36 | typedef typename BVHTools::VectorType<T, 3>::Type BVH_Vec3t; |
37 | |
38 | static T Get (const BVH_Vec3t& theVec, |
39 | const Standard_Integer theAxis) |
40 | { |
41 | return theAxis == 0 ? theVec.x() : ( theAxis == 1 ? theVec.y() : theVec.z() ); |
42 | } |
43 | }; |
44 | |
45 | template<class T> struct VecComp<T, 4> |
46 | { |
47 | typedef typename BVHTools::VectorType<T, 4>::Type BVH_Vec4t; |
48 | |
49 | static T Get (const BVH_Vec4t& theVec, |
50 | const Standard_Integer theAxis) |
51 | { |
52 | return theAxis == 0 |
53 | ? theVec.x() |
54 | : (theAxis == 1 ? theVec.y() : ( theAxis == 2 ? theVec.z() : theVec.w() )); |
55 | } |
56 | }; |
57 | |
58 | template<class T, int N = 1> struct ArrayOp |
59 | { |
60 | typedef typename BVHTools::ArrayType<T, N>::Type BVH_ArrayNt; |
61 | |
62 | static inline |
63 | const typename BVHTools::VectorType<T, N>::Type& Value (const BVH_ArrayNt& theArray, |
64 | const Standard_Integer theIndex) |
65 | { |
66 | #ifdef _BVH_USE_STD_VECTOR_ |
67 | return theArray.at (theIndex); |
68 | #else |
69 | return theArray.Value (theIndex); |
70 | #endif |
71 | } |
72 | |
73 | static inline |
74 | typename BVHTools::VectorType<T, N>::Type& ChangeValue (BVH_ArrayNt& theArray, |
75 | const Standard_Integer theIndex) |
76 | { |
77 | #ifdef _BVH_USE_STD_VECTOR_ |
78 | return theArray.at (theIndex); |
79 | #else |
80 | return theArray.ChangeValue (theIndex); |
81 | #endif |
82 | } |
83 | |
84 | static inline void Append (BVH_ArrayNt& theArray, |
85 | const typename BVHTools::VectorType<T, N>::Type& theElement) |
86 | { |
87 | #ifdef _BVH_USE_STD_VECTOR_ |
88 | theArray.push_back (theElement); |
89 | #else |
90 | theArray.Append (theElement); |
91 | #endif |
92 | } |
93 | |
94 | static inline Standard_Integer Size (const BVH_ArrayNt& theArray) |
95 | { |
96 | #ifdef _BVH_USE_STD_VECTOR_ |
97 | return static_cast<Standard_Integer> (theArray.size()); |
98 | #else |
99 | return static_cast<Standard_Integer> (theArray.Size()); |
100 | #endif |
101 | } |
102 | |
103 | static inline void Clear (BVH_ArrayNt& theArray) |
104 | { |
105 | #ifdef _BVH_USE_STD_VECTOR_ |
106 | theArray.clear(); |
107 | #else |
108 | theArray.Clear(); |
109 | #endif |
110 | } |
111 | }; |
112 | } |