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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file gameengine/Expressions/KX_HashedPtr.cpp
* \ingroup expressions
*/
#include "KX_HashedPtr.h"
unsigned int KX_Hash(void *inDWord)
{
#if defined(_WIN64) && !defined(FREE_WINDOWS64)
unsigned __int64 key = (unsigned __int64)inDWord;
#else
unsigned long key = (unsigned long)inDWord;
#endif
key += ~(key << 16);
key ^= (key >> 5);
key += (key << 3);
key ^= (key >> 13);
key += ~(key << 9);
key ^= (key >> 17);
return (unsigned int)(key & 0xffffffff);
}
CHashedPtr::CHashedPtr(void* val) : m_valptr(val)
{
}
unsigned int CHashedPtr::hash() const
{
return KX_Hash(m_valptr);
}
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