nevrax.org : docs

00001 
00007 /* Copyright, 2001 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_CHANNEL_H
00027 #define NL_CHANNEL_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "3d/animated_value.h"
00031 
00032 namespace NL3D 
00033 {
00034 
00035 
00043 class IChannel
00044 {
00045 public:
00046 
00052         virtual const IAnimatedValue& getValue (const IAnimatedValue& value) const=0;
00053 
00059         virtual IAnimatedValue& getValue ()=0;
00060 
00062         virtual const IAnimatedValue& getDefaultValue () const=0;
00063 
00065 
00067         const std::string& getName () const
00068         {
00069                 return _Name;
00070         }
00071 
00073         void setName (const std::string& name)
00074         {
00075                 _Name=name;
00076         }
00077         
00078 private:
00079         // The name of the channel
00080         std::string             _Name;
00081 };
00082 
00083 
00091 template<class T>
00092 class CChannelBlendable : public IChannel
00093 {
00094 public:
00095 
00097         virtual void setValue (const IAnimatedValue& value)
00098         {
00099                 // Check good type !!
00100                 nlassert (typeid (_DefaultValue)==typeid (value));
00101 
00102                 // Ok assign!
00103                 _Value=*(CAnimatedValueBlendable<T>*)&value;
00104         }
00105 
00107         virtual const IAnimatedValue& getValue (const IAnimatedValue& value) const
00108         {
00109                 return _Value;
00110         }
00111 
00113         virtual IAnimatedValue& getValue ()
00114         {
00115                 return _Value;
00116         }
00117 
00119         const IAnimatedValue& getDefaultValue () const
00120         {
00121                 return _DefaultValue;
00122         }
00123 private:
00124         // The value of the channel
00125         CAnimatedValueBlendable<T>      _Value;
00126 
00127         // The default value of the channel
00128         CAnimatedValueBlendable<T>      _DefaultValue;
00129 };
00130 
00131 
00139 template<class T>
00140 class CChannelNotBlendable : public IChannel
00141 {
00142 public:
00143 
00145         virtual void setValue (const IAnimatedValue& value)
00146         {
00147                 // Check good type !!
00148                 nlassert (typeid (_DefaultValue)==typeid (value));
00149 
00150                 // Ok assign!
00151                 _Value=*(CAnimatedValueNotBlendable<T>*)&value;
00152         }
00153 
00155         virtual const IAnimatedValue& getValue (const IAnimatedValue& value) const
00156         {
00157                 return _Value;
00158         }
00159 
00161         virtual IAnimatedValue& getValue ()
00162         {
00163                 return _Value;
00164         }
00165 
00167         const IAnimatedValue& getDefaultValue () const
00168         {
00169                 return _DefaultValue;
00170         }
00171 private:
00172         // The value of the channel
00173         CAnimatedValueNotBlendable<T>   _Value;
00174 
00175         // The default value of the channel
00176         CAnimatedValueNotBlendable<T>   _DefaultValue;
00177 };
00178 
00179 
00180 typedef CChannelNotBlendable<bool> CChannelBool;
00181 typedef CChannelBlendable<int> CChannelInt;
00182 typedef CChannelBlendable<float> CChannelFloat;
00183 typedef CChannelBlendable<NLMISC::CVector> CChannelVector;
00184 typedef CChannelBlendable<NLMISC::CQuat> CChannelQuat;
00185 typedef CChannelNotBlendable<std::string> CChannelString;
00186 
00187 
00188 } // NL3D
00189 
00190 
00191 #endif // NL_CHANNEL_H
00192 
00193 /* End of channel.h */