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authorRĂ©mi Verschelde <rverschelde@gmail.com>2018-01-13 14:43:30 +0100
committerGitHub <noreply@github.com>2018-01-13 14:43:30 +0100
commita3ee252993e8200c856be3fe664937f9461ee268 (patch)
treeaf68e434545e20c538f896e28b73f2db7d626edd /thirdparty/bullet/BulletCollision/Gimpact/gim_bitset.h
parentc01575b3125ce1828f0cacb3f9f00286136f373c (diff)
parente12c89e8c9896b2e5cdd70dbd2d2acb449ff4b94 (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.h123
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