1 files changed, 58 insertions, 0 deletions
diff --git a/source/gameengine/Expressions/KX_HashedPtr.cpp b/source/gameengine/Expressions/KX_HashedPtr.cpp
new file mode 100644
index 00000000000..7d573ebc37d
--- /dev/null
+++ b/source/gameengine/Expressions/KX_HashedPtr.cpp
@@ -0,0 +1,58 @@
+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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/BL DUAL LICENSE BLOCK *****
+ */
+
+
+#include "KX_HashedPtr.h"
+
+unsigned int KX_Hash(unsigned int inDWord)
+{
+	unsigned int key = inDWord;
+	key += ~(key << 16);
+	key ^=  (key >>  5);
+	key +=  (key <<  3);
+	key ^=  (key >> 13);
+	key += ~(key <<  9);
+	key ^=  (key >> 17);
+  	return key;
+};
+
+
+
+CHashedPtr::CHashedPtr(void* val) : m_valptr(val)
+{
+}
+
+
+
+unsigned int CHashedPtr::hash() const
+{
+	return KX_Hash((unsigned int) m_valptr);
+}