nevrax.org : docs

00001 
+00007 /* Copyright, 2000 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 "3d/light_trav.h"
+00029 #include "3d/hrc_trav.h"
+00030 #include "3d/clip_trav.h"
+00031 #include "3d/root_model.h"
+00032 using namespace std;
+00033 using namespace NLMISC;
+00034 
+00035 
+00036 namespace       NL3D
+00037 {
+00038 
+00039 using namespace NLMISC;
+00040 
+00041 // ***************************************************************************
+00042 CLightTrav::CLightTrav()
+00043 {
+00044         _LightedList.reserve(1024);
+00045 
+00046         LightModelRoot= NULL;
+00047         LightingSystemEnabled= false;
+00048 }
+00049 
+00050 // ***************************************************************************
+00051 void    CLightTrav::setLightModelRoot(CRootModel *lightModelRoot)
+00052 {
+00053         nlassert(lightModelRoot);
+00054         LightModelRoot= lightModelRoot;
+00055 }
+00056 
+00057 
+00058 // ***************************************************************************
+00059 IObs            *CLightTrav::createDefaultObs() const
+00060 {
+00061         return  new CDefaultLightObs;
+00062 }
+00063 
+00064 
+00065 // ***************************************************************************
+00066 void            CLightTrav::clearLightedList()
+00067 {
+00068         _LightedList.clear();
+00069 }
+00070 // ***************************************************************************
+00071 void            CLightTrav::addLightedObs(IBaseLightObs *o)
+00072 {
+00073         _LightedList.push_back(o);
+00074 }
+00075 
+00076 
+00077 // ***************************************************************************
+00078 void            CLightTrav::traverse()
+00079 {
+00080         // If lighting System disabled, skip
+00081         if(!LightingSystemEnabled)
+00082                 return;
+00083 
+00084 
+00085         nlassert(LightModelRoot);
+00086 
+00087         // clear the quadGrid of dynamicLights
+00088         LightingManager.clearDynamicLights();
+00089 
+00090         // for each lightModel, process her: recompute position, resetLightedModels(), and append to the quadGrid.
+00091         LightModelRoot->getObs(LightTravId)->traverse(NULL);
+00092 
+00093         // for each visible lightable transform
+00094         for(uint i=0; i<_LightedList.size(); i++ )
+00095         {
+00096                 // traverse(), to recompute light contribution (if needed).
+00097                 _LightedList[i]->traverse(NULL);
+00098         }
+00099 
+00100 }
+00101 
+00102 
+00103 
+00104 // ***************************************************************************
+00105 void            IBaseLightObs::init()
+00106 {
+00107         IObs::init();
+00108         nlassert( dynamic_cast<IBaseHrcObs*> (getObs(HrcTravId)) );
+00109         HrcObs= static_cast<IBaseHrcObs*> (getObs(HrcTravId));
+00110         nlassert( dynamic_cast<IBaseClipObs*> (getObs(ClipTravId)) );
+00111         ClipObs= static_cast<IBaseClipObs*> (getObs(ClipTravId));
+00112 }
+00113 
+00114 
+00115 
+00116 
+00117 }
+
light_trav.cpp
