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<hr><h1>quad_grid_clip_manager.cpp</h1><a href="quad__grid__clip__manager_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="quad__grid__clip__manager_8h.html">3d/quad_grid_clip_manager.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="scene_8h.html">3d/scene.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="transform__shape_8h.html">3d/transform_shape.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="clip__trav_8h.html">3d/clip_trav.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="aabbox_8h.html">nel/misc/aabbox.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="cluster_8h.html">3d/cluster.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="skip__model_8h.html">3d/skip_model.h</a>"</font>
00035
00036
00037 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00038 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00039
00040
00041 <font class="keyword">namespace </font>NL3D
00042 {
00043
00044
00045 <font class="comment">// ***************************************************************************</font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a0">00046</a> CQuadGridClipManager::CQuadGridClipManager()
00047 {
00048 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>= NULL;
00049 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>= 0;
00050 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>= 0;
00051 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a>= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a>= 0;
00052 }
00053 <font class="comment">// ***************************************************************************</font>
<a name="l00054"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a1">00054</a> CQuadGridClipManager::~CQuadGridClipManager()
00055 {
00056 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a3">reset</a>();
00057 }
00058
00059
00060 <font class="comment">// ***************************************************************************</font>
<a name="l00061"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a2">00061</a> <font class="keywordtype">void</font> CQuadGridClipManager::init(CScene *scene, <font class="keywordtype">float</font> clusterSize, std::vector<float> maxDists, <font class="keywordtype">float</font> radiusMax )
00062 {
00063 <font class="comment">// reset first.</font>
00064 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a3">reset</a>();
00065
00066 <font class="comment">// copy params.</font>
00067 <a class="code" href="debug_8h.html#a6">nlassert</a>(clusterSize>0);
00068 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>= scene;
00069 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>= clusterSize;
00070 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>= maxDists;
00071 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o2">_RadiusMax</a>= radiusMax;
00072
00073 <font class="comment">// verify growing order.</font>
00074 <font class="keywordtype">float</font> prec= 0;
00075 <font class="keywordflow">for</font>(uint i=0; i<<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>.size(); i++)
00076 {
00077 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>[i] > prec);
00078 prec=<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>[i];
00079 }
00080 }
00081
00082 <font class="comment">// ***************************************************************************</font>
<a name="l00083"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a3">00083</a> <font class="keywordtype">void</font> CQuadGridClipManager::reset()
00084 {
00085 <font class="comment">// delete the clusters.</font>
00086 <font class="keywordflow">if</font>(_Scene)
00087 {
00088 sint oldX0, oldX1, oldY0, oldY1;
00089
00090 oldX0= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>;
00091 oldX1= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>+<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a>;
00092 oldY0= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>;
00093 oldY1= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>+<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a>;
00094
00095 <font class="keywordflow">for</font>(sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=oldY0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><oldY1; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00096 {
00097 <font class="keywordflow">for</font>(sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=oldX0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><oldX1; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00098 {
00099 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#c0">deleteCaseModels</a>((CClipTrav*)<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>->getTrav(<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>), <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>);
00100 }
00101 }
00102
00103 <font class="comment">// clear the grid.</font>
00104 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o8">_QuadGridClusterCases</a>.clear();
00105 }
00106
00107 <font class="comment">// reset others params.</font>
00108 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>.clear();
00109 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>= NULL;
00110 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>= 0;
00111 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>= 0;
00112 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a>= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a>= 0;
00113 }
00114
00115 <font class="comment">// ***************************************************************************</font>
<a name="l00116"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a4">00116</a> <font class="keywordtype">void</font> CQuadGridClipManager::updateClustersFromCamera(CClipTrav *pClipTrav, <font class="keyword">const</font> CVector &camPos)
00117 {
00118 sint newX0, newX1, newY0, newY1;
00119 sint oldX0, oldX1, oldY0, oldY1;
00120
00121 oldX0= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>;
00122 oldX1= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>+<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a>;
00123 oldY0= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>;
00124 oldY1= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>+<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a>;
00125
00126 <font class="comment">// compute the new square of clusters to build.</font>
00127 newX0= (sint)floor( (camPos.x - <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o2">_RadiusMax</a>) / <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>);
00128 newX1= (sint)ceil( (camPos.x + <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o2">_RadiusMax</a>) / <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>);
00129 newY0= (sint)floor( (camPos.y - <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o2">_RadiusMax</a>) / <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>);
00130 newY1= (sint)ceil( (camPos.y + <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o2">_RadiusMax</a>) / <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>);
00131
00132 <font class="comment">// keep an histeresis of one cluster: do not delete "young" clusters created before.</font>
00133 <font class="keywordflow">if</font>(newX0>= oldX0+1) <font class="comment">// NB: if newX0==oldX0+1, then newX0= _X => no change.</font>
00134 newX0--;
00135 <font class="keywordflow">if</font>(newY0>= oldY0+1) <font class="comment">// same reasoning.</font>
00136 newY0--;
00137 <font class="keywordflow">if</font>(newX1<= oldX1-1) <font class="comment">// NB: if newX1==oldX1-1, then newX1= oldX1 => no change.</font>
00138 newX1++;
00139 <font class="keywordflow">if</font>(newY1<= oldY1-1) <font class="comment">// same reasoning.</font>
00140 newY1++;
00141
00142 <font class="comment">// Have we got to update the array.</font>
00143 <font class="keywordflow">if</font>(newX0!=oldX0 || newX1!=oldX1 || newY0!=oldY0 || newY1!=oldY1)
00144 {
00145 sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00146
00147 <font class="comment">// delete olds models.</font>
00148 <font class="comment">// simple: test all cases</font>
00149 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=oldY0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><oldY1; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00150 {
00151 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=oldX0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><oldX1; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00152 {
00153 <font class="comment">// if out the new square?</font>
00154 <font class="keywordflow">if</font>(x<newX0 || x>=newX1 || y<newY0 || y>=newY1)
00155 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#c0">deleteCaseModels</a>(pClipTrav, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>);
00156 }
00157 }
00158
00159 <font class="comment">// build new array</font>
00160 <font class="comment">// satic for alloc optimisation.</font>
00161 <font class="keyword">static</font> vector<CQuadGridClusterCase> newQuadGridClusterCases;
00162 sint newWidth= newX1-newX0;
00163 sint newHeight= newY1-newY0;
00164 newQuadGridClusterCases.resize(newWidth * newHeight);
00165 <font class="comment">// simple: test all cases</font>
00166 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=newY0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><newY1; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00167 {
00168 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=newX0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><newX1; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00169 {
00170 CQuadGridClusterCase &newCase= newQuadGridClusterCases[ (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-newY0)*newWidth + (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-newX0) ];
00171
00172 <font class="comment">// if out the old square?</font>
00173 <font class="keywordflow">if</font>(x<oldX0 || x>=oldX1 || y<oldY0 || y>=oldY1)
00174 {
00175 <font class="comment">// build new case. Clusters are empty.</font>
00176 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#c1">newCaseModels</a>(newCase);
00177 }
00178 <font class="keywordflow">else</font>
00179 {
00180 <font class="comment">// copy from old.</font>
00181 CQuadGridClusterCase &oldCase= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o8">_QuadGridClusterCases</a>[ (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>)*<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a> + (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>) ];
00182
00183 newCase= oldCase;
00184 }
00185 }
00186 }
00187
00188 <font class="comment">// just copy from new.</font>
00189 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o8">_QuadGridClusterCases</a>= newQuadGridClusterCases;
00190 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>= newX0;
00191 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>= newY0;
00192 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a>= newWidth;
00193 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a>= newHeight;
00194 }
00195 }
00196
00197
00198 <font class="comment">// ***************************************************************************</font>
<a name="l00199"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#a5">00199</a> <font class="keywordtype">bool</font> CQuadGridClipManager::linkModel(CTransformShape *pTfmShp, CClipTrav *pClipTrav)
00200 {
00201 <font class="comment">// use the position to get the cluster to use.</font>
00202 CAABBox box;
00203 pTfmShp->getAABBox (box);
00204 <font class="keywordtype">float</font> distModelMax = pTfmShp->getDistMax();
00205
00206 <font class="comment">// Transform the box in the world</font>
00207 <font class="keyword">const</font> CMatrix &wm = pTfmShp->getWorldMatrix();
00208 <font class="comment">// compute center in world.</font>
00209 CVector cLocal = box.getCenter();
00210 CVector cWorld = wm * cLocal;
00211 <font class="comment">// prepare bbox.</font>
00212 CAABBox worldBBox;
00213 worldBBox.setCenter(cWorld);
00214 CVector hs = box.getHalfSize();
00215
00216 <font class="comment">// For 8 corners.</font>
00217 <font class="keywordflow">for</font>(uint i=0;i<8;i++)
00218 {
00219 CVector corner;
00220 <font class="comment">// compute the corner of the bbox.</font>
00221 corner= cLocal;
00222 <font class="keywordflow">if</font>(i&1) corner.x+=hs.x;
00223 <font class="keywordflow">else</font> corner.x-=hs.x;
00224 <font class="keywordflow">if</font>((i/2)&1) corner.y+=hs.y;
00225 <font class="keywordflow">else</font> corner.y-=hs.y;
00226 <font class="keywordflow">if</font>((i/4)&1) corner.z+=hs.z;
00227 <font class="keywordflow">else</font> corner.z-=hs.z;
00228 <font class="comment">// Transform the corner in world.</font>
00229 corner = wm * corner;
00230 <font class="comment">// Extend the bbox with it.</font>
00231 worldBBox.extend(corner);
00232 }
00233
00234
00235 <font class="comment">// Position in the grid.</font>
00236 sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00237 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= (sint)floor( cWorld.x / <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>);
00238 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= (sint)floor( cWorld.y / <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o1">_ClusterSize</a>);
00239
00240 <font class="comment">// verify if IN the current grid of clusters created.</font>
00241 <font class="keywordflow">if</font>( <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>>=<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a> && x<_X+_Width && y>=<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a> && <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>+<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a> )
00242 {
00243 CQuadGridClusterCase &clusterCase= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o8">_QuadGridClusterCases</a>[ (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>)*<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a> + (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>) ];
00244 <a class="code" href="debug_8h.html#a6">nlassert</a>( <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>.size()+1 == clusterCase.QuadGridClipClusters.size() );
00245
00246 <font class="comment">// search the best cluster.</font>
00247 uint bestCluster;
00248 <font class="keywordflow">if</font>(distModelMax==-1)
00249 {
00250 bestCluster= clusterCase.QuadGridClipClusters.size()-1;
00251 }
00252 <font class="keywordflow">else</font>
00253 {
00254 <a class="code" href="debug_8h.html#a6">nlassert</a>(distModelMax>=0);
00255 <font class="comment">// search in which cluster against we must test.</font>
00256 uint i;
00257 <font class="keywordflow">for</font>(i=0; i<clusterCase.QuadGridClipClusters.size()-1;i++)
00258 {
00259 <font class="keywordflow">if</font>(distModelMax<=<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>[i])
00260 <font class="keywordflow">break</font>;
00261 }
00262 <font class="comment">// NB: interval [?? , +oo[, if i==clusterCase.QuadGridClipClusters.size()-1;</font>
00263 bestCluster= i;
00264 }
00265
00266 <font class="comment">// extend the bbox of this cluster.</font>
00267 clusterCase.QuadGridClipClusters[bestCluster]->extendCluster(worldBBox);
00268 <font class="comment">// link the model to this cluster.</font>
00269 pClipTrav->link(clusterCase.QuadGridClipClusters[bestCluster], pTfmShp);
00270
00271
00272 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00273 }
00274 <font class="keywordflow">else</font>
00275 {
00276 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00277 }
00278
00279 }
00280
00281
00282 <font class="comment">// ***************************************************************************</font>
<a name="l00283"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#c0">00283</a> <font class="keywordtype">void</font> CQuadGridClipManager::deleteCaseModels(CClipTrav *pClipTrav, sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
00284 {
00285 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>>=<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a> && x<_X+_Width && y>=<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a> && <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>+<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o7">_Height</a>);
00286
00287 CQuadGridClusterCase &clusterCase= <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o8">_QuadGridClusterCases</a>[ (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o5">_Y</a>)*<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o6">_Width</a> + (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o4">_X</a>) ];
00288 <font class="keywordflow">for</font>(uint j=0; j<clusterCase.QuadGridClipClusters.size(); j++)
00289 {
00290 CQuadGridClipCluster *cluster= clusterCase.QuadGridClipClusters[j];
00291
00292 <font class="comment">// first, unlink all sons from cluster, and link thems to RootCluster.</font>
00293 IModel *son= pClipTrav->getFirstChild(cluster);
00294 <font class="keywordflow">while</font>( son != NULL )
00295 {
00296 <font class="comment">// unlink from us.</font>
00297 pClipTrav->unlink(cluster, son);
00298 <font class="comment">// link to the rootCluster</font>
00299 pClipTrav->link(pClipTrav->RootCluster, son);
00300
00301 <font class="comment">// next son.</font>
00302 son= pClipTrav->getFirstChild(cluster);
00303 }
00304
00305 <font class="comment">// delete the cluster.</font>
00306 <a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>->deleteModel(cluster);
00307 }
00308
00309 <font class="comment">// NB: do not delete array for alloc/free optimisation.</font>
00310 }
00311
00312
00313 <font class="comment">// ***************************************************************************</font>
<a name="l00314"></a><a class="code" href="classNL3D_1_1CQuadGridClipManager.html#c1">00314</a> <font class="keywordtype">void</font> CQuadGridClipManager::newCaseModels(CQuadGridClusterCase &clusterCase)
00315 {
00316 <font class="comment">// resize of the number of bbox per distance.</font>
00317 clusterCase.QuadGridClipClusters.resize(<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>.size()+1);
00318
00319 <font class="comment">// create clusters.</font>
00320 <font class="keywordflow">for</font>(uint i=0; i<clusterCase.QuadGridClipClusters.size(); i++)
00321 {
00322 <font class="comment">// create the cluster.</font>
00323 CQuadGridClipCluster *cluster= (CQuadGridClipCluster*)<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>->createModel(<a class="code" href="namespaceNL3D.html#a224">QuadGridClipClusterId</a>);
00324 clusterCase.QuadGridClipClusters[i]= cluster;
00325 <font class="comment">// disable it from HRC</font>
00326 CHrcTrav *hrcTrav= (CHrcTrav*)<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>->getTrav(<a class="code" href="namespaceNL3D.html#a41">HrcTravId</a>);
00327 hrcTrav->link(<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>->getSkipModelRoot(), cluster);
00328 <font class="comment">// NB: disabled from validation in CQuadGridClipCluster::update()</font>
00329 <font class="comment">// Hence it will be never traversed but in ClipTrav.</font>
00330
00331 <font class="comment">// link it in RootCluster, so it may be clipped in city etc...</font>
00332 CClipTrav *clipTrav= (CClipTrav*)<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o0">_Scene</a>->getTrav(<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>);
00333 clipTrav->unlink(NULL, cluster);
00334 clipTrav->link(clipTrav->RootCluster, cluster);
00335
00336
00337 <font class="comment">// init distMax</font>
00338 <font class="keywordflow">if</font>(i<<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>.size())
00339 clusterCase.QuadGridClipClusters[i]->setDistMax(<a class="code" href="classNL3D_1_1CQuadGridClipManager.html#o3">_MaxDists</a>[i]);
00340 <font class="keywordflow">else</font>
00341 clusterCase.QuadGridClipClusters[i]->setDistMax(-1);
00342 }
00343 }
00344
00345
00346 } <font class="comment">// NL3D</font>
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