Add vertex optimization algorithm submitted by curaga

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4048 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IMeshManipulator.h

@@ -284,6 +284,17 @@ namespace scene
 		virtual IAnimatedMesh * createAnimatedMesh(IMesh* mesh,
 			scene::E_ANIMATED_MESH_TYPE type = scene::EAMT_UNKNOWN) const = 0;
 
+		//! Vertex cache optimization according to the Forsyth paper
+		/** More information can be found at
+		http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
+
+		The function is thread-safe (read: you can optimize several
+		meshes in different threads).
+
+		\param mesh Source mesh for the operation.
+		\return A new mesh optimized for the vertex cache. */
+		virtual IMesh* createForsythOptimizedMesh(const IMesh *mesh) const = 0;
+
 		//! Apply a manipulator on the Meshbuffer
 		/** \param func A functor defining the mesh manipulation.
 		\param buffer The Meshbuffer to apply the manipulator to.

source/Irrlicht/CMeshManipulator.h

@@ -83,6 +83,9 @@ public:
 
 	//! create a new AnimatedMesh and adds the mesh to it
 	virtual IAnimatedMesh * createAnimatedMesh(scene::IMesh* mesh,scene::E_ANIMATED_MESH_TYPE type) const;
+
+	//! create a mesh optimized for the vertex cache
+	virtual IMesh* createForsythOptimizedMesh(const scene::IMesh *mesh) const;
 };
 
 } // end namespace scene