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author | RĂ©mi Verschelde <rverschelde@gmail.com> | 2018-01-13 14:43:30 +0100 |
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committer | GitHub <noreply@github.com> | 2018-01-13 14:43:30 +0100 |
commit | a3ee252993e8200c856be3fe664937f9461ee268 (patch) | |
tree | af68e434545e20c538f896e28b73f2db7d626edd /thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h | |
parent | c01575b3125ce1828f0cacb3f9f00286136f373c (diff) | |
parent | e12c89e8c9896b2e5cdd70dbd2d2acb449ff4b94 (diff) |
Merge pull request #15664 from akien-mga/thirdparty
Bugfix updates to various thirdparty libraries
Diffstat (limited to 'thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h')
-rw-r--r-- | thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h b/thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h new file mode 100644 index 0000000000..7dee48a4c7 --- /dev/null +++ b/thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h @@ -0,0 +1,123 @@ +#ifndef GIM_BITSET_H_INCLUDED +#define GIM_BITSET_H_INCLUDED +/*! \file gim_bitset.h +\author Francisco Leon Najera +*/ +/* +----------------------------------------------------------------------------- +This source file is part of GIMPACT Library. + +For the latest info, see http://gimpact.sourceforge.net/ + +Copyright (c) 2006 Francisco Leon Najera. C.C. 80087371. +email: projectileman@yahoo.com + + This library is free software; you can redistribute it and/or + modify it under the terms of EITHER: + (1) The GNU Lesser General Public License as published by the Free + Software Foundation; either version 2.1 of the License, or (at + your option) any later version. The text of the GNU Lesser + General Public License is included with this library in the + file GIMPACT-LICENSE-LGPL.TXT. + (2) The BSD-style license that is included with this library in + the file GIMPACT-LICENSE-BSD.TXT. + (3) The zlib/libpng license that is included with this library in + the file GIMPACT-LICENSE-ZLIB.TXT. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files + GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details. + +----------------------------------------------------------------------------- +*/ + +#include "gim_array.h" + + +#define GUINT_BIT_COUNT 32 +#define GUINT_EXPONENT 5 + +class gim_bitset +{ +public: + gim_array<GUINT> m_container; + + gim_bitset() + { + + } + + gim_bitset(GUINT bits_count) + { + resize(bits_count); + } + + ~gim_bitset() + { + } + + inline bool resize(GUINT newsize) + { + GUINT oldsize = m_container.size(); + m_container.resize(newsize/GUINT_BIT_COUNT + 1,false); + while(oldsize<m_container.size()) + { + m_container[oldsize] = 0; + } + return true; + } + + inline GUINT size() + { + return m_container.size()*GUINT_BIT_COUNT; + } + + inline void set_all() + { + for(GUINT i = 0;i<m_container.size();++i) + { + m_container[i] = 0xffffffff; + } + } + + inline void clear_all() + { + for(GUINT i = 0;i<m_container.size();++i) + { + m_container[i] = 0; + } + } + + inline void set(GUINT bit_index) + { + if(bit_index>=size()) + { + resize(bit_index); + } + m_container[bit_index >> GUINT_EXPONENT] |= (1 << (bit_index & (GUINT_BIT_COUNT-1))); + } + + ///Return 0 or 1 + inline char get(GUINT bit_index) + { + if(bit_index>=size()) + { + return 0; + } + char value = m_container[bit_index >> GUINT_EXPONENT] & + (1 << (bit_index & (GUINT_BIT_COUNT-1))); + return value; + } + + inline void clear(GUINT bit_index) + { + m_container[bit_index >> GUINT_EXPONENT] &= ~(1 << (bit_index & (GUINT_BIT_COUNT-1))); + } +}; + + + + + +#endif // GIM_CONTAINERS_H_INCLUDED |