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class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |