- removed interpolation thread as it did nothing to help performance.

- added a cache in the interpolation class

source/shared_lib/include/graphics/interpolation.h

@@ -0,0 +1,49 @@
+// ==============================================================
+//	This file is part of Glest Shared Library (www.glest.org)
+//
+//	Copyright (C) 2001-2008 Martio Figueroa
+//
+//	You can redistribute this code 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
+// ==============================================================
+
+#ifndef _SHARED_GRAPHICS_INTERPOLATION_H_
+#define _SHARED_GRAPHICS_INTERPOLATION_H_
+
+#include "vec.h"
+#include "model.h"
+#include <map>
+
+namespace Shared{ namespace Graphics{
+
+// =====================================================
+//	class InterpolationData
+// =====================================================
+
+class InterpolationData{
+private:
+	const Mesh *mesh;
+
+	Vec3f *vertices;
+	Vec3f *normals;
+
+	std::map<std::string, Vec3f *> cacheVertices;
+	std::map<std::string, Vec3f *> cacheNormals;
+
+public:
+	InterpolationData(const Mesh *mesh);
+	~InterpolationData();
+
+	const Vec3f *getVertices() const	{return vertices==NULL? mesh->getVertices(): vertices;}
+	const Vec3f *getNormals() const		{return normals==NULL? mesh->getNormals(): normals;}
+	
+	void update(float t, bool cycle);
+	void updateVertices(float t, bool cycle);
+	void updateNormals(float t, bool cycle);
+};
+
+}}//end namespace
+
+#endif