CrystalSpace

Public API Reference

cstool/noise/module/cache.h
00001 // cache.h
00002 //
00003 // Copyright (C) 2003, 2004 Jason Bevins
00004 //
00005 // This library is free software; you can redistribute it and/or modify it
00006 // under the terms of the GNU Lesser General Public License as published by
00007 // the Free Software Foundation; either version 2.1 of the License, or (at
00008 // your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful, but WITHOUT
00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00012 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00013 // License (COPYING.txt) for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public License
00016 // along with this library; if not, write to the Free Software Foundation,
00017 // Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //
00019 // The developer's email is jlbezigvins@gmzigail.com (for great email, take
00020 // off every 'zig'.)
00021 //
00022 
00023 #ifndef NOISE_MODULE_CACHE_H
00024 #define NOISE_MODULE_CACHE_H
00025 
00026 #include "modulebase.h"
00027 
00028 namespace CS {
00029 namespace Math {
00030 namespace Noise {
00031 namespace Module {
00032 
00035 
00038 
00042 
00066     class CS_CRYSTALSPACE_EXPORT Cache: public Module
00067     {
00068 
00069       public:
00070 
00072         Cache ();
00073 
00074         virtual int GetSourceModuleCount () const
00075         {
00076           return 1;
00077         }
00078 
00079         virtual double GetValue (double x, double y, double z) const;
00080 
00081         virtual void SetSourceModule (int index, const Module& sourceModule)
00082         {
00083           Module::SetSourceModule (index, sourceModule);
00084           m_isCached = false;
00085         }
00086 
00087       protected:
00088 
00090         mutable double m_cachedValue;
00091 
00094         mutable double m_isCached;
00095 
00097         mutable double m_xCache;
00098 
00100         mutable double m_yCache;
00101 
00103         mutable double m_zCache;
00104 
00105     };
00106 
00108 
00110 
00112 
00113 } // namespace Module
00114 } // namespace Noise
00115 } // namespace Math
00116 } // namespace CS
00117 
00118 #endif

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