cstool/noise/module/modulebase.h
00001 // modulebase.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_MODULEBASE_H 00024 #define NOISE_MODULEBASE_H 00025 00026 #include <stdlib.h> 00027 #include <assert.h> 00028 #include <math.h> 00029 #include "../basictypes.h" 00030 #include "../exception.h" 00031 #include "../noisegen.h" 00032 00033 namespace CS { 00034 namespace Math { 00035 namespace Noise { 00036 namespace Module { 00037 00040 00044 00222 class CS_CRYSTALSPACE_EXPORT Module 00223 { 00224 00225 public: 00226 00228 Module (int sourceModuleCount); 00229 00231 /*virtual*/ ~Module (); 00232 00251 virtual const Module& GetSourceModule (int index) const 00252 { 00253 assert (m_pSourceModule != NULL); 00254 00255 // The following fix was provided by Will Hawkins: 00256 // 00257 // m_pSourceModule[index] != NULL 00258 // 00259 // was incorrect; it should be: 00260 // 00261 // m_pSourceModule[index] == NULL 00262 if (index >= GetSourceModuleCount () || index < 0 00263 || m_pSourceModule[index] == NULL) { 00264 //throw CS::Math::Noise::ExceptionNoModule (); 00265 CS_ASSERT (false); 00266 } 00267 return *(m_pSourceModule[index]); 00268 } 00269 00275 virtual int GetSourceModuleCount () const = 0; 00276 00296 virtual double GetValue (double x, double y, double z) const = 0; 00297 00328 virtual void SetSourceModule (int index, const Module& sourceModule) 00329 { 00330 assert (m_pSourceModule != NULL); 00331 if (index >= GetSourceModuleCount () || index < 0) { 00332 //throw CS::Math::Noise::ExceptionInvalidParam (); 00333 CS_ASSERT (false); 00334 } 00335 m_pSourceModule[index] = &sourceModule; 00336 } 00337 00338 protected: 00339 00342 const Module** m_pSourceModule; 00343 00344 private: 00345 00352 const Module& operator= (const Module& m) 00353 { 00354 return *this; 00355 } 00356 00357 }; 00358 00360 00362 00363 } // namespace Module 00364 } // namespace Noise 00365 } // namespace Math 00366 } // namespace CS 00367 00368 #endif
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