Added "ImproveCacheLocality"-Step; Added Unit tests (3 at the moment); Fixed hp spelling errors.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@68 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/ImproveCacheLocality.h

@@ -0,0 +1,103 @@
+/*
+Open Asset Import Library (ASSIMP)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2008, ASSIMP Development Team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms, 
+with or without modification, are permitted provided that the 
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the ASSIMP team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the ASSIMP Development Team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to reorder faces for 
+ better cache locality*/
+#ifndef AI_IMPROVECACHELOCALITY_H_INC
+#define AI_IMPROVECACHELOCALITY_H_INC
+
+#include "BaseProcess.h"
+#include "../include/aiTypes.h"
+
+struct aiMesh;
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The ImproveCacheLocalityProcess reorders all faces for improved vertex
+ *  cache locality. It tries to arrange all faces to fans and to render
+ *  faces which share vertices directly one after the other.
+ *
+ *  @note This step expects the triagulated input data.
+ */
+class ImproveCacheLocalityProcess : public BaseProcess
+{
+	friend class Importer;
+
+protected:
+	/** Constructor to be privately used by Importer */
+	ImproveCacheLocalityProcess();
+
+	/** Destructor, private as well */
+	~ImproveCacheLocalityProcess();
+
+public:
+	// -------------------------------------------------------------------
+	/** Returns whether the processing step is present in the given flag field.
+	 * @param pFlags The processing flags the importer was called with. A bitwise
+	 *   combination of #aiPostProcessSteps.
+	 * @return true if the process is present in this flag fields, false if not.
+	*/
+	bool IsActive( unsigned int pFlags) const;
+
+	// -------------------------------------------------------------------
+	/** Executes the post processing step on the given imported data.
+	* At the moment a process is not supposed to fail.
+	* @param pScene The imported data to work at.
+	*/
+	void Execute( aiScene* pScene);
+
+protected:
+	// -------------------------------------------------------------------
+	/** Executes the postprocessing step on the given mesh
+	 * @param pMesh The mesh to process.
+	 */
+	void ProcessMesh( aiMesh* pMesh);
+
+
+	//! Configuration parameter: specifies the size of the cache to
+	//! optimize the vertex data for.
+	unsigned int configCacheDepth;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_IMPROVECACHELOCALITY_H_INC