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
