nevrax.org : docs

00001 
+00007 /* Copyright, 2000-2002 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 #include "std3d.h"
+00027 
+00028 #include "nel/misc/common.h"
+00029 #include "3d/track_sampled_vector.h"
+00030 
+00031 using namespace NLMISC;
+00032 using namespace std;
+00033 
+00034 
+00035 namespace NL3D 
+00036 {
+00037 
+00038 // ***************************************************************************
+00039 // ***************************************************************************
+00040 // CTrackSampledVector
+00041 // ***************************************************************************
+00042 // ***************************************************************************
+00043 
+00044 
+00045 // ***************************************************************************
+00046 CTrackSampledVector::CTrackSampledVector()
+00047 {
+00048 }
+00049 
+00050 // ***************************************************************************
+00051 CTrackSampledVector::~CTrackSampledVector()
+00052 {
+00053 }
+00054 
+00055 // ***************************************************************************
+00056 const IAnimatedValue&   CTrackSampledVector::getValue () const
+00057 {
+00058         return _Value;
+00059 }
+00060 
+00061 // ***************************************************************************
+00062 void                                    CTrackSampledVector::serial(NLMISC::IStream &f)
+00063 {
+00064         /*
+00065         Version 0:
+00066                 - base version.
+00067         */
+00068         (void)f.serialVersion(0);
+00069 
+00070         // serial Time infos.
+00071         CTrackSampledCommon::serialCommon(f);
+00072 
+00073         // serial Keys.
+00074         f.serial(_Keys);
+00075 
+00076 }
+00077 
+00078 // ***************************************************************************
+00079 void    CTrackSampledVector::build(const std::vector<uint16> &timeList, const std::vector<CVector> &keyList, 
+00080         float beginTime, float endTime)
+00081 {
+00082         nlassert( endTime>beginTime || (beginTime==endTime && keyList.size()<=1) );
+00083         nlassert( keyList.size()==timeList.size() );
+00084         uint i;
+00085 
+00086         // reset.
+00087         uint    numKeys= keyList.size();
+00088         _Keys.clear();
+00089         _TimeBlocks.clear();
+00090 
+00091         // Build Common time information
+00092         CTrackSampledCommon::buildCommon(timeList, beginTime, endTime);
+00093 
+00094 
+00095         // Compute All Key values.
+00096         //===================
+00097         _Keys.resize(numKeys);
+00098         for(i=0; i<numKeys;i++)
+00099         {
+00100                 // no compression for now
+00101                 _Keys[i]= keyList[i];
+00102         }
+00103 
+00104 }
+00105 
+00106 // ***************************************************************************
+00107 void    CTrackSampledVector::eval (const TAnimationTime& date)
+00108 {
+00109         // Eval time, and get key interpolation info
+00110         uint    keyId0;
+00111         uint    keyId1;
+00112         float   interpValue;
+00113         TEvalType       evalType= evalTime(date, _Keys.size(), keyId0, keyId1, interpValue);
+00114 
+00115         // Discard? 
+00116         if( evalType==EvalDiscard )
+00117                 return;
+00118         // One Key? easy, and quit.
+00119         else if( evalType==EvalKey0 )
+00120         {
+00121                 _Value.Value= _Keys[keyId0];
+00122         }
+00123         // interpolate
+00124         else if( evalType==EvalInterpolate )
+00125         {
+00126                 const CVector   &valueKey0= _Keys[keyId0];
+00127                 const CVector   &valueKey1= _Keys[keyId1];
+00128 
+00129                 // interpolate
+00130                 _Value.Value= valueKey0*(1-interpValue) + valueKey1*interpValue;
+00131         }
+00132         else
+00133         {
+00134                 nlstop;
+00135         }
+00136 
+00137 }
+00138 
+00139 
+00140 } // NL3D
+
track_sampled_vector.cpp
