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/hrc_trav.h"
+00029 #include "3d/skip_model.h"
+00030 #include "3d/clip_trav.h"
+00031 #include "3d/anim_detail_trav.h"
+00032 #include "nel/misc/hierarchical_timer.h"
+00033 
+00034 using namespace std;
+00035 using namespace NLMISC;
+00036 
+00037 
+00038 namespace       NL3D
+00039 {
+00040 
+00041 
+00042 // ***************************************************************************
+00043 IObs                            *CHrcTrav::createDefaultObs() const
+00044 {
+00045         return new CDefaultHrcObs;
+00046 }
+00047 
+00048 
+00049 // ***************************************************************************
+00050 void                            CHrcTrav::traverse()
+00051 {
+00052         H_AUTO( NL3D_TravHRC );
+00053 
+00054         _MovingObjects.clear();
+00055 
+00056         // Traverse the graph.
+00057         if(Root)
+00058                 Root->traverse(NULL);
+00059 
+00060         // Inc the date.
+00061         // NB: Now, observers update is done before ALL traversals.
+00062         // Hence, we must inc the value before scene rendering. This is equivalent to start with 1, and inc at end of traverse().
+00063         CurrentDate++;
+00064 }
+00065 
+00066 
+00067 // ***************************************************************************
+00068 void IBaseHrcObs::init()
+00069 {
+00070         IObs::init();
+00071 
+00072         ClipObs= safe_cast<IBaseClipObs*> (getObs(ClipTravId));
+00073         AnimDetailObs= safe_cast<IBaseAnimDetailObs*> (getObs(AnimDetailTravId));
+00074 
+00075 }
+00076 
+00077 
+00078 // ***************************************************************************
+00079 void    IBaseHrcObs::addParent(IObs *father)
+00080 {
+00081         IObs    *oldFather= getFirstParent();
+00082 
+00083         // Default bheavior.
+00084         IObs::addParent(father);
+00085 
+00086         // Our parent has changed ??
+00087         IObs    *newFather= getFirstParent();
+00088         if( oldFather != newFather )
+00089         {
+00090                 // Since our parent has changed, must recompute WM.
+00091                 WorldDate=-1;
+00092         }
+00093 }
+00094 
+00095 
+00096 }
+
hrc_trav.cpp
