nel/src/3d/anim_detail_trav.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "std3d.h"
  18
  19 #include "nel/3d/anim_detail_trav.h"
  20 #include "nel/3d/hrc_trav.h"
  21 #include "nel/3d/transform.h"
  22 #include "nel/3d/skeleton_model.h"
  23 #include "nel/misc/hierarchical_timer.h"
  24 #include "nel/misc/debug.h"
  25
  26
  27 using namespace NLMISC;
  28
  29 #ifdef DEBUG_NEW
  30 #define new DEBUG_NEW
  31 #endif
  32
  33 namespace NL3D
  34 {
  35
  36
  37 // ***************************************************************************
  38 CAnimDetailTrav::CAnimDetailTrav()
  39 {
  40         CurrentDate=0;
  41         // prepare some space
  42         _VisibleList.resize(1024);
  43         _CurrentNumVisibleModels= 0;
  44 }
  45
  46 // ***************************************************************************
  47 void                            CAnimDetailTrav::clearVisibleList()
  48 {
  49         _CurrentNumVisibleModels= 0;
  50 }
  51
  52
  53 // ***************************************************************************
  54 void                            CAnimDetailTrav::traverse()
  55 {
  56         H_AUTO( NL3D_TravAnimDetail );
  57
  58         // Inc the date.
  59         CurrentDate++;
  60
  61         // Traverse all nodes of the visibility list.
  62         for(uint i=0; i<_CurrentNumVisibleModels; i++)
  63         {
  64                 // NB: some model creation may be done by CParticleSystemModel during this pass.
  65                 // createModel() may resize _VisibleList.
  66                 // Hence, must test the actual _VisibleList vector, and not a temporary pointer.
  67                 CTransform              *model= _VisibleList[i];
  68                 // If this object has an ancestorSkeletonModel
  69                 if(model->_AncestorSkeletonModel)
  70                 {
  71                         // then just skip it! because it will be parsed hierarchically by the first
  72                         // skeletonModel whith _AncestorSkeletonModel==NULL. (only if this one is visible)
  73                         continue;
  74                 }
  75                 else
  76                 {
  77                         // If this is a skeleton model, and because _AncestorSkeletonModel==NULL,
  78                         // then it means that it is the Root of a hierarchy of transform that have
  79                         // _AncestorSkeletonModel!=NULL.
  80                         if( model->isSkeleton() )
  81                         {
  82                                 // Then I must update hierarchically me and the sons (according to HRC hierarchy graph) of this model.
  83                                 traverseHrcRecurs(model);
  84                         }
  85                         else
  86                         {
  87                                 // else, just traverse AnimDetail, an do nothing for Hrc sons
  88                                 model->traverseAnimDetail();
  89                         }
  90                 }
  91         }
  92 }
  93
  94
  95 // ***************************************************************************
  96 void    CAnimDetailTrav::traverseHrcRecurs(CTransform *model)
  97 {
  98         // first, just doIt me
  99         model->traverseAnimDetail();
 100
 101
 102         // then doIt my sons in Hrc.
 103         uint    num= model->hrcGetNumChildren();
 104         for(uint i=0;i<num;i++)
 105                 traverseHrcRecurs(model->hrcGetChild(i));
 106 }
 107
 108
 109 // ***************************************************************************
 110 void    CAnimDetailTrav::reserveVisibleList(uint numModels)
 111 {
 112         // enlarge only.
 113         if(numModels>_VisibleList.size())
 114                 _VisibleList.resize(numModels);
 115 }
 116
 117
 118 } // NL3D