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 (c) 2000-2005 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 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 ControllerValue 00093 { 00094 00095 public: 00096 virtual ~ControllerValue() { } 00097 virtual T getValue(void) const = 0; 00098 virtual void setValue(T value) = 0; 00099 00100 }; 00101 00122 template <typename T> 00123 class Controller 00124 { 00125 protected: 00127 SharedPtr< ControllerValue<T> > mSource; 00129 SharedPtr< ControllerValue<T> > mDest; 00131 SharedPtr< ControllerFunction<T> > mFunc; 00133 bool mEnabled; 00134 00135 00136 public: 00137 00143 Controller(SharedPtr< ControllerValue<T> > src, 00144 SharedPtr< ControllerValue<T> > dest, SharedPtr< ControllerFunction<T> > func) 00145 : mSource(src), mDest(dest), mFunc(func) 00146 { 00147 mEnabled = true; 00148 } 00149 00152 virtual ~Controller() {} 00153 00154 00156 void setSource(SharedPtr< ControllerValue<T> > src) 00157 { 00158 mSource = src; 00159 } 00161 SharedPtr< ControllerValue<T> > getSource(void) const 00162 { 00163 return mSource; 00164 } 00166 void setDestination(SharedPtr< ControllerValue<T> > dest) 00167 { 00168 mDest = dest; 00169 } 00170 00172 SharedPtr< ControllerValue<T> > getDestination(void) const 00173 { 00174 return mDest; 00175 } 00176 00178 bool getEnabled(void) const 00179 { 00180 return mEnabled; 00181 } 00182 00184 void setEnabled(bool enabled) 00185 { 00186 mEnabled = enabled; 00187 } 00188 00191 void setFunction(SharedPtr< ControllerFunction<T> > func) 00192 { 00193 mFunc = func; 00194 } 00195 00198 SharedPtr< ControllerFunction<T> > getFunction(void) const 00199 { 00200 return mFunc; 00201 } 00202 00208 void update(void) 00209 { 00210 if(mEnabled) 00211 mDest->setValue(mFunc->calculate(mSource->getValue())); 00212 } 00213 00214 }; 00215 00216 00217 } 00218 00219 #endif
Copyright © 2000-2005 by The OGRE Team
Last modified Sun Sep 25 17:35:51 2005