00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright © 2000-2002 The OGRE Team 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 ----------------------------------------------------------------------------- 00024 */ 00025 #ifndef __Controller_H__ 00026 #define __Controller_H__ 00027 00028 #include "OgrePrerequisites.h" 00029 00030 #include "OgreSharedPtr.h" 00031 00032 namespace Ogre { 00033 00034 00035 00036 00046 template <typename T> 00047 class _OgreExport ControllerFunction 00048 { 00049 protected: 00051 bool mDeltaInput; 00052 T mDeltaCount; 00053 00056 T getAdjustedInput(T input) 00057 { 00058 if (mDeltaInput) 00059 { 00060 mDeltaCount += input; 00061 // Wrap 00062 while (mDeltaCount >= 1.0) 00063 mDeltaCount -= 1.0; 00064 00065 return mDeltaCount; 00066 } 00067 else 00068 { 00069 return input; 00070 } 00071 } 00072 00073 public: 00079 ControllerFunction(bool deltaInput) 00080 { 00081 mDeltaInput = deltaInput; 00082 mDeltaCount = 0; 00083 } 00084 00085 virtual T calculate(T sourceValue) = 0; 00086 }; 00087 00088 00091 template <typename T> 00092 class _OgreExport ControllerValue 00093 { 00094 00095 public: 00096 virtual T getValue(void) const = 0; 00097 virtual void setValue(T value) = 0; 00098 00099 }; 00100 00121 template <typename T> 00122 class _OgreExport Controller 00123 { 00124 protected: 00126 SharedPtr< ControllerValue<T> > mSource; 00128 SharedPtr< ControllerValue<T> > mDest; 00130 SharedPtr< ControllerFunction<T> > mFunc; 00132 bool mEnabled; 00133 00134 00135 public: 00136 00142 Controller(SharedPtr< ControllerValue<T> > src, 00143 SharedPtr< ControllerValue<T> > dest, SharedPtr< ControllerFunction<T> > func) 00144 : mSource(src), mDest(dest), mFunc(func) 00145 { 00146 mEnabled = true; 00147 } 00148 00151 virtual ~Controller() {} 00152 00153 00155 void setSource(SharedPtr< ControllerValue<T> > src) 00156 { 00157 mSource = src; 00158 } 00160 SharedPtr< ControllerValue<T> > getSource(void) const 00161 { 00162 return mSource; 00163 } 00165 void setDestination(SharedPtr< ControllerValue<T> > dest) 00166 { 00167 mDest = dest; 00168 } 00169 00171 SharedPtr< ControllerValue<T> > getDestination(void) const 00172 { 00173 return mDest; 00174 } 00175 00177 bool getEnabled(void) const 00178 { 00179 return mEnabled; 00180 } 00181 00183 void setEnabled(bool enabled) 00184 { 00185 mEnabled = enabled; 00186 } 00187 00190 void setFunction(SharedPtr< ControllerFunction<T> > func) 00191 { 00192 mFunc = func; 00193 } 00194 00197 SharedPtr< ControllerFunction<T> > getFunction(void) const 00198 { 00199 return mFunc; 00200 } 00201 00207 void update(void) 00208 { 00209 if(mEnabled) 00210 mDest->setValue(mFunc->calculate(mSource->getValue())); 00211 } 00212 00213 }; 00214 00215 00216 } 00217 00218 #endif
Copyright © 2002-2003 by The OGRE Team
Last modified Wed Jan 21 00:10:05 2004