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+<hr><h1>cluster.cpp</h1><a href="cluster_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="cluster_8h.html">3d/cluster.h</a>"</font>
+00029 <font class="preprocessor">#include "<a class="code" href="portal_8h.html">3d/portal.h</a>"</font>
+00030 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font>
+00031 <font class="preprocessor">#include "<a class="code" href="scene_8h.html">3d/scene.h</a>"</font>
+00032 <font class="preprocessor">#include "<a class="code" href="transform__shape_8h.html">3d/transform_shape.h</a>"</font>
+00033 <font class="preprocessor">#include "<a class="code" href="mesh__instance_8h.html">3d/mesh_instance.h</a>"</font>
+00034 <font class="preprocessor">#include "<a class="code" href="scene__group_8h.html">3d/scene_group.h</a>"</font>
+00035
+00036 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
+00037 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
+00038
+00039 <font class="keyword">namespace </font>NL3D
+00040 {
+00041
+00042 <font class="comment">// 0.5 cm of precision</font>
+<a name="l00043"></a><a class="code" href="cluster_8cpp.html#a0">00043</a> <font class="preprocessor">#define CLUSTERPRECISION 0.005</font>
+00044 <font class="preprocessor"></font>
+00045
+00046 <font class="comment">// ***************************************************************************</font>
+<a name="l00047"></a><a class="code" href="classNL3D_1_1CCluster.html#a0">00047</a> CCluster::CCluster ()
+00048 {
+00049 <a class="code" href="classNL3D_1_1CCluster.html#o0">_Obs</a> = NULL;
+00050 <a class="code" href="classNL3D_1_1CCluster.html#m2">FatherVisible</a> = <a class="code" href="classNL3D_1_1CCluster.html#m3">VisibleFromFather</a> = <font class="keyword">false</font>;
+00051 <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a> = NULL;
+00052 }
+00053
+00054
+00055 <font class="comment">// ***************************************************************************</font>
+<a name="l00056"></a><a class="code" href="classNL3D_1_1CCluster.html#a1">00056</a> CCluster::~CCluster()
+00057 {
+00058 <a class="code" href="classNL3D_1_1CCluster.html#c0">unlinkFromClusterTree</a>();
+00059 }
+00060
+00061
+00062 <font class="comment">// ***************************************************************************</font>
+<a name="l00063"></a><a class="code" href="classNL3D_1_1CCluster.html#c1">00063</a> <font class="keywordtype">void</font> CCluster::unlinkFromParent()
+00064 {
+00065 <font class="comment">// unlink from father sons list</font>
+00066 <font class="keywordflow">if</font> (Father)
+00067 {
+00068 <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>-&gt;Children.erase(std::remove(<a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>-&gt;Children.begin(), <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>-&gt;Children.end(), <font class="keyword">this</font>), <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>-&gt;Children.end());
+00069 <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a> = NULL;
+00070 }
+00071 }
+00072
+00073 <font class="comment">// ***************************************************************************</font>
+<a name="l00074"></a><a class="code" href="classNL3D_1_1CCluster.html#c2">00074</a> <font class="keywordtype">void</font> CCluster::unlinkSons()
+00075 {
+00076 <font class="comment">// tells all sons that they have no more father</font>
+00077 <font class="keywordflow">for</font>(uint k = 0; k &lt; <a class="code" href="classNL3D_1_1CCluster.html#m5">Children</a>.size(); ++k)
+00078 {
+00079 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCluster.html#m5">Children</a>[k]-&gt;Father == <font class="keyword">this</font>)
+00080 {
+00081 <a class="code" href="classNL3D_1_1CCluster.html#m5">Children</a>[k]-&gt;Father = NULL;
+00082 }
+00083 }
+00084 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNL3D_1_1CCluster.html#m5">Children</a>);
+00085 }
+00086
+00087
+00088
+00089 <font class="comment">// ***************************************************************************</font>
+<a name="l00090"></a><a class="code" href="classNL3D_1_1CCluster.html#c0">00090</a> <font class="keywordtype">void</font> CCluster::unlinkFromClusterTree()
+00091 {
+00092 <a class="code" href="classNL3D_1_1CCluster.html#c1">unlinkFromParent</a>();
+00093 <a class="code" href="classNL3D_1_1CCluster.html#c2">unlinkSons</a>();
+00094 }
+00095
+00096
+00097
+00098 <font class="comment">// ***************************************************************************</font>
+<a name="l00099"></a><a class="code" href="classNL3D_1_1CCluster.html#d0">00099</a> <font class="keywordtype">void</font> CCluster::registerBasic ()
+00100 {
+00101 CMOT::registerModel (<a class="code" href="namespaceNL3D.html#a26">ClusterId</a>, 0, CCluster::creator);
+00102 CMOT::registerObs (<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>, <a class="code" href="namespaceNL3D.html#a26">ClusterId</a>, CClusterClipObs::creator);
+00103 CMOT::registerObs (<a class="code" href="namespaceNL3D.html#a41">HrcTravId</a>, <a class="code" href="namespaceNL3D.html#a26">ClusterId</a>, CClusterHrcObs::creator);
+00104 }
+00105
+00106 <font class="comment">// ***************************************************************************</font>
+<a name="l00107"></a><a class="code" href="classNL3D_1_1CCluster.html#a2">00107</a> <font class="keywordtype">bool</font> CCluster::makeVolume (CVector&amp; p1, CVector&amp; p2, CVector&amp; p3)
+00108 {
+00109 uint i;
+00110 <font class="comment">// Check if the plane is not close to a plane that already define the cluster</font>
+00111 <font class="keywordflow">for</font> (i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.size(); ++i)
+00112 {
+00113 <font class="keywordtype">float</font> f1 = fabsf (<a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i]*p1);
+00114 <font class="keywordtype">float</font> f2 = fabsf (<a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i]*p2);
+00115 <font class="keywordtype">float</font> f3 = fabsf (<a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i]*p3);
+00116 <font class="keywordflow">if</font> ((f1 &lt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) &amp;&amp; (f2 &lt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) &amp;&amp; (f3 &lt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>))
+00117 <font class="keywordflow">return</font> <font class="keyword">true</font>;
+00118 }
+00119 <font class="comment">// Check if we want to add a triangle not completely in the predefined volume</font>
+00120 <font class="keywordflow">for</font> (i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.size(); ++i)
+00121 {
+00122 <font class="keywordtype">float</font> f1 = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i]*p1;
+00123 <font class="keywordtype">float</font> f2 = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i]*p2;
+00124 <font class="keywordtype">float</font> f3 = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i]*p3;
+00125 <font class="keywordflow">if</font> ((f1 &gt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) &amp;&amp; (f2 &gt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) &amp;&amp; (f3 &gt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>))
+00126 <font class="keywordflow">return</font> <font class="keyword">false</font>;
+00127 }
+00128 <font class="comment">// Build volume</font>
+00129 CPlane p;
+00130 p.make (p1, p2, p3);
+00131 p.normalize();
+00132 <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.push_back (p);
+00133 <font class="comment">// Build BBox </font>
+00134 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.size() == 1)
+00135 <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(p1);
+00136 <font class="keywordflow">else</font>
+00137 <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>(p1);
+00138 <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>(p2);
+00139 <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>(p3);
+00140 <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a> = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>;
+00141 <a class="code" href="classNL3D_1_1CCluster.html#o4">_BBox</a> = <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>;
+00142 <font class="keywordflow">return</font> <font class="keyword">true</font>;
+00143 }
+00144
+00145 <font class="comment">// ***************************************************************************</font>
+<a name="l00146"></a><a class="code" href="classNL3D_1_1CCluster.html#a4">00146</a> <font class="keywordtype">bool</font> CCluster::isIn (CVector&amp; p)
+00147 {
+00148 <font class="keywordflow">for</font> (uint i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>.size(); ++i)
+00149 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>[i]*p &gt; <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>)
+00150 <font class="keywordflow">return</font> <font class="keyword">false</font>;
+00151 <font class="keywordflow">return</font> <font class="keyword">true</font>;
+00152 }
+00153
+00154
+00155 <font class="comment">// ***************************************************************************</font>
+<a name="l00156"></a><a class="code" href="classNL3D_1_1CCluster.html#a5">00156</a> <font class="keywordtype">bool</font> CCluster::isIn (CAABBox&amp; b)
+00157 {
+00158 <font class="keywordflow">for</font> (uint i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>.size(); ++i)
+00159 {
+00160 <font class="keywordflow">if</font> (!b.clipBack (<a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>[i]))
+00161 <font class="keywordflow">return</font> <font class="keyword">false</font>;
+00162 }
+00163 <font class="keywordflow">return</font> <font class="keyword">true</font>;
+00164 }
+00165
+00166 <font class="comment">// ***************************************************************************</font>
+<a name="l00167"></a><a class="code" href="classNL3D_1_1CCluster.html#a6">00167</a> <font class="keywordtype">bool</font> CCluster::isIn (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; center, <font class="keywordtype">float</font> size)
+00168 {
+00169 <font class="keywordflow">for</font> (uint i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>.size(); ++i)
+00170 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>[i]*center &gt; size)
+00171 <font class="keywordflow">return</font> <font class="keyword">false</font>;
+00172 <font class="keywordflow">return</font> <font class="keyword">true</font>;
+00173 }
+00174
+00175 <font class="comment">// ***************************************************************************</font>
+<a name="l00176"></a><a class="code" href="classNL3D_1_1CCluster.html#a8">00176</a> <font class="keywordtype">void</font> CCluster::resetPortalLinks ()
+00177 {
+00178 <a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>.clear();
+00179 }
+00180
+00181 <font class="comment">// ***************************************************************************</font>
+<a name="l00182"></a><a class="code" href="classNL3D_1_1CCluster.html#a9">00182</a> <font class="keywordtype">void</font> CCluster::link (CPortal* portal)
+00183 {
+00184 <a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>.push_back (portal);
+00185 }
+00186
+00187 <font class="comment">// ***************************************************************************</font>
+<a name="l00188"></a><a class="code" href="classNL3D_1_1CCluster.html#a10">00188</a> <font class="keywordtype">void</font> CCluster::unlink (CPortal* portal)
+00189 {
+00190 uint32 pos;
+00191 <font class="keywordflow">for</font> (pos = 0; pos &lt; <a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>.size(); ++pos)
+00192 {
+00193 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>[pos] == portal)
+00194 <font class="keywordflow">break</font>;
+00195 }
+00196 <font class="keywordflow">if</font> (pos &lt; <a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>.size())
+00197 <a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>.erase (<a class="code" href="classNL3D_1_1CCluster.html#o1">_Portals</a>.begin()+pos);
+00198 }
+00199
+00200 <font class="comment">// ***************************************************************************</font>
+<a name="l00201"></a><a class="code" href="classNL3D_1_1CCluster.html#a14">00201</a> <font class="keywordtype">void</font> CCluster::serial (IStream&amp;f)
+00202 {
+00203 sint version = f.serialVersion (1);
+00204
+00205 <font class="keywordflow">if</font> (version &gt;= 1)
+00206 f.serial (<a class="code" href="classNL3D_1_1CCluster.html#m1">Name</a>);
+00207
+00208 f.serialCont (<a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>);
+00209 f.serial (<a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>);
+00210 f.serial (<a class="code" href="classNL3D_1_1CCluster.html#m2">FatherVisible</a>);
+00211 f.serial (<a class="code" href="classNL3D_1_1CCluster.html#m3">VisibleFromFather</a>);
+00212 <font class="keywordflow">if</font> (f.isReading())
+00213 {
+00214 <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a> = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>;
+00215 <a class="code" href="classNL3D_1_1CCluster.html#o4">_BBox</a> = <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>;
+00216 }
+00217 }
+00218
+00219 <font class="comment">// ***************************************************************************</font>
+<a name="l00220"></a><a class="code" href="classNL3D_1_1CCluster.html#a15">00220</a> <font class="keywordtype">void</font> CCluster::setWorldMatrix (<font class="keyword">const</font> CMatrix &amp;WM)
+00221 {
+00222 uint32 i;
+00223 CMatrix invWM = WM;
+00224 invWM.invert();
+00225
+00226 <font class="comment">// Transform the volume</font>
+00227 <font class="keywordflow">for</font> (i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.size(); ++i)
+00228 <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>[i] = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i] * invWM;
+00229
+00230 <a class="code" href="classNL3D_1_1CCluster.html#o4">_BBox</a> = <a class="code" href="classNLMISC_1_1CAABBox.html#z266_3">NLMISC::CAABBox::transformAABBox</a>(WM, <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>);
+00231
+00232 <font class="comment">// Transform the bounding box</font>
+00233 <font class="comment">/*CVector p[8];</font>
+00234 <font class="comment"> p[0].x = _LocalBBox.getMin().x;</font>
+00235 <font class="comment"> p[0].y = _LocalBBox.getMin().y;</font>
+00236 <font class="comment"> p[0].z = _LocalBBox.getMin().z;</font>
+00237 <font class="comment"></font>
+00238 <font class="comment"> p[1].x = _LocalBBox.getMax().x;</font>
+00239 <font class="comment"> p[1].y = _LocalBBox.getMin().y;</font>
+00240 <font class="comment"> p[1].z = _LocalBBox.getMin().z;</font>
+00241 <font class="comment"></font>
+00242 <font class="comment"> p[2].x = _LocalBBox.getMin().x;</font>
+00243 <font class="comment"> p[2].y = _LocalBBox.getMax().y;</font>
+00244 <font class="comment"> p[2].z = _LocalBBox.getMin().z;</font>
+00245 <font class="comment"></font>
+00246 <font class="comment"> p[3].x = _LocalBBox.getMax().x;</font>
+00247 <font class="comment"> p[3].y = _LocalBBox.getMax().y;</font>
+00248 <font class="comment"> p[3].z = _LocalBBox.getMin().z;</font>
+00249 <font class="comment"></font>
+00250 <font class="comment"> p[4].x = _LocalBBox.getMin().x;</font>
+00251 <font class="comment"> p[4].y = _LocalBBox.getMin().y;</font>
+00252 <font class="comment"> p[4].z = _LocalBBox.getMax().z;</font>
+00253 <font class="comment"></font>
+00254 <font class="comment"> p[5].x = _LocalBBox.getMax().x;</font>
+00255 <font class="comment"> p[5].y = _LocalBBox.getMin().y;</font>
+00256 <font class="comment"> p[5].z = _LocalBBox.getMax().z;</font>
+00257 <font class="comment"></font>
+00258 <font class="comment"> p[6].x = _LocalBBox.getMin().x;</font>
+00259 <font class="comment"> p[6].y = _LocalBBox.getMax().y;</font>
+00260 <font class="comment"> p[6].z = _LocalBBox.getMax().z;</font>
+00261 <font class="comment"></font>
+00262 <font class="comment"> p[7].x = _LocalBBox.getMax().x;</font>
+00263 <font class="comment"> p[7].y = _LocalBBox.getMax().y;</font>
+00264 <font class="comment"> p[7].z = _LocalBBox.getMax().z;</font>
+00265 <font class="comment"></font>
+00266 <font class="comment"> for (i = 0; i &lt; 8; ++i)</font>
+00267 <font class="comment"> p[i] = WM.mulPoint(p[i]);</font>
+00268 <font class="comment"></font>
+00269 <font class="comment"> CAABBox boxTemp;</font>
+00270 <font class="comment"></font>
+00271 <font class="comment"> boxTemp.setCenter(p[0]);</font>
+00272 <font class="comment"> for (i = 1; i &lt; 8; ++i)</font>
+00273 <font class="comment"> boxTemp.extend(p[i]);</font>
+00274 <font class="comment"> _BBox = boxTemp;*/</font>
+00275 }
+00276
+00277 <font class="comment">// ***************************************************************************</font>
+<a name="l00278"></a><a class="code" href="classNL3D_1_1CCluster.html#a13">00278</a> CClusterClipObs *CCluster::getClipObs()
+00279 {
+00280 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCluster.html#o0">_Obs</a> == NULL)
+00281 <a class="code" href="classNL3D_1_1CCluster.html#o0">_Obs</a> = (CClusterClipObs*)<a class="code" href="classNL3D_1_1IModel.html#b3">getObs</a> (<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>);
+00282 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CCluster.html#o0">_Obs</a>;
+00283 }
+00284
+00285 <font class="comment">// ---------------------------------------------------------------------------</font>
+00286 <font class="comment">// Observer HRC</font>
+00287 <font class="comment">// ---------------------------------------------------------------------------</font>
+00288
+00289 <font class="comment">// ***************************************************************************</font>
+<a name="l00290"></a><a class="code" href="classNL3D_1_1CClusterHrcObs.html#a0">00290</a> <font class="keywordtype">void</font> CClusterHrcObs::traverse (IObs *caller)
+00291 {
+00292 CTransformHrcObs::traverse (caller);
+00293
+00294 <a class="code" href="classNL3D_1_1CClusterHrcObs.html#l0">CCluster</a> *pCluster = static_cast&lt;CCluster*&gt;(this-&gt;<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>);
+00295
+00296 pCluster-&gt;setWorldMatrix (<a class="code" href="classNL3D_1_1IBaseHrcObs.html#z460_0">WorldMatrix</a>);
+00297
+00298 <font class="keywordflow">for</font> (uint32 i = 0; i &lt; pCluster-&gt;getNbPortals(); ++i)
+00299 {
+00300 CPortal *pPortal = pCluster-&gt;getPortal(i);
+00301 pPortal-&gt;setWorldMatrix (<a class="code" href="classNL3D_1_1IBaseHrcObs.html#z460_0">WorldMatrix</a>);
+00302 }
+00303
+00304 <font class="comment">// Re affect the cluster to the accelerator if not the root</font>
+00305 <font class="keywordflow">if</font> (!pCluster-&gt;isRoot())
+00306 {
+00307 pCluster-&gt;Group-&gt;_ClipTrav-&gt;Accel.erase (pCluster-&gt;AccelIt);
+00308 pCluster-&gt;Group-&gt;_ClipTrav-&gt;registerCluster (pCluster);
+00309 }
+00310 }
+00311
+00312 <font class="comment">// ---------------------------------------------------------------------------</font>
+00313 <font class="comment">// Observer CLIP</font>
+00314 <font class="comment">// ---------------------------------------------------------------------------</font>
+00315
+00316 <font class="comment">// ***************************************************************************</font>
+<a name="l00317"></a><a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">00317</a> CClusterClipObs::CClusterClipObs ()
+00318 {
+00319 <a class="code" href="classNL3D_1_1CClusterClipObs.html#o0">Visited</a> = <font class="keyword">false</font>;
+00320 }
+00321
+00322 <font class="comment">// ***************************************************************************</font>
+<a name="l00323"></a><a class="code" href="classNL3D_1_1CClusterClipObs.html#a1">00323</a> <font class="keywordtype">bool</font> CClusterClipObs::clip (IBaseClipObs *caller)
+00324 {
+00325 <font class="keywordflow">return</font> <font class="keyword">true</font>;
+00326 }
+00327
+00328 <font class="comment">// ***************************************************************************</font>
+<a name="l00329"></a><a class="code" href="classNL3D_1_1CClusterClipObs.html#a2">00329</a> <font class="keywordtype">void</font> CClusterClipObs::traverse (IObs *caller)
+00330 {
+00331 <a class="code" href="debug_8h.html#a6">nlassert</a>(!caller || dynamic_cast&lt;IBaseClipObs*&gt;(caller));
+00332
+00333 <font class="keywordflow">if</font> (Visited)
+00334 <font class="keywordflow">return</font>;
+00335 <a class="code" href="classNL3D_1_1CClusterClipObs.html#o0">Visited</a> = <font class="keyword">true</font>;
+00336 <font class="comment">// The cluster is visible because we are in it</font>
+00337 <font class="comment">// So clip the models attached (with MOT links) to the cluster</font>
+00338 <a class="code" href="classNL3D_1_1IObs.html#z620_0">traverseSons</a>();
+00339
+00340 <font class="comment">// And look through portals</font>
+00341 <a class="code" href="classNL3D_1_1CClusterClipObs.html#l0">CCluster</a> *pCluster = static_cast&lt;CCluster*&gt;(this-&gt;<a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>);
+00342 uint32 i;
+00343 <font class="keywordflow">for</font> (i = 0; i &lt; pCluster-&gt;getNbPortals(); ++i)
+00344 {
+00345 CPortal*pPortal = pCluster-&gt;getPortal (i);
+00346 vector&lt;CPlane&gt; WorldPyrTemp = (static_cast&lt;CClipTrav*&gt;(Trav))-&gt;WorldPyramid;
+00347 <font class="keywordtype">bool</font> backfaceclipped = <font class="keyword">false</font>;
+00348 <a class="code" href="classNL3D_1_1CClusterClipObs.html#l0">CCluster</a> *pOtherSideCluster;
+00349 <font class="keywordflow">if</font> (pPortal-&gt;getCluster(0) == pCluster)
+00350 pOtherSideCluster = pPortal-&gt;getCluster (1);
+00351 <font class="keywordflow">else</font>
+00352 pOtherSideCluster = pPortal-&gt;getCluster (0);
+00353
+00354 <font class="keywordflow">if</font> (pCluster-&gt;Father != NULL)
+00355 <font class="keywordflow">if</font> (caller == pCluster-&gt;Father-&gt;getClipObs()) <font class="comment">// If the caller is the father</font>
+00356 <font class="keywordflow">if</font> (pCluster-&gt;VisibleFromFather)
+00357 <font class="comment">// Backface clipping</font>
+00358 <font class="keywordflow">if</font>( !pPortal-&gt;isInFront( (static_cast&lt;CClipTrav*&gt;(<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>))-&gt;CamPos ))
+00359 backfaceclipped = <font class="keyword">true</font>;
+00360
+00361 <font class="keywordflow">if</font> (!backfaceclipped)
+00362 <font class="keywordflow">if</font> (pPortal-&gt;clipPyramid ((static_cast&lt;CClipTrav*&gt;(<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>))-&gt;CamPos,
+00363 (static_cast&lt;CClipTrav*&gt;(<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>))-&gt;WorldPyramid))
+00364 {
+00365 <a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">CClusterClipObs</a> *pObserver = pOtherSideCluster-&gt;getClipObs();
+00366 pObserver-&gt;traverse (<font class="keyword">this</font>);
+00367 }
+00368
+00369 (static_cast&lt;CClipTrav*&gt;(Trav))-&gt;WorldPyramid = WorldPyrTemp;
+00370 }
+00371
+00372 <font class="comment">// Link up in hierarchy</font>
+00373 <font class="keywordflow">if</font> ((pCluster-&gt;FatherVisible)&amp;&amp;(pCluster-&gt;Father != NULL))
+00374 {
+00375 <a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">CClusterClipObs</a> *pObserver = pCluster-&gt;Father-&gt;getClipObs();
+00376 pObserver-&gt;traverse (<font class="keyword">this</font>);
+00377 }
+00378
+00379 <font class="comment">// Link down in hierarchy</font>
+00380 <font class="keywordflow">for</font> (i = 0; i &lt; pCluster-&gt;Children.size(); ++i)
+00381 <font class="keywordflow">if</font> (pCluster-&gt;Children[i]-&gt;VisibleFromFather)
+00382 {
+00383 <a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">CClusterClipObs</a> *pObserver = pCluster-&gt;Children[i]-&gt;getClipObs();
+00384 pObserver-&gt;traverse (<font class="keyword">this</font>);
+00385 }
+00386
+00387 <a class="code" href="classNL3D_1_1CClusterClipObs.html#o0">Visited</a> = <font class="keyword">false</font>;
+00388 }
+00389
+00390
+00391 <font class="comment">// ***************************************************************************</font>
+<a name="l00392"></a><a class="code" href="classNL3D_1_1CCluster.html#a3">00392</a> <font class="keywordtype">void</font> CCluster::applyMatrix(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &amp;m)
+00393 {
+00394 uint32 i;
+00395 CMatrix invM = m;
+00396 invM.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_6">invert</a>();
+00397 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>.size() == <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.size());
+00398
+00399 <font class="comment">// Transform the volume</font>
+00400 <font class="keywordflow">for</font> (i = 0; i &lt; <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>.size(); ++i)
+00401 {
+00402 <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>[i] = <a class="code" href="classNL3D_1_1CCluster.html#o5">_Volume</a>[i] * invM;
+00403 <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i] = <a class="code" href="classNL3D_1_1CCluster.html#o3">_LocalVolume</a>[i] * invM;
+00404 }
+00405
+00406 <font class="comment">// Transform the bounding boxes </font>
+00407 <a class="code" href="classNL3D_1_1CCluster.html#o4">_BBox</a> = <a class="code" href="classNLMISC_1_1CAABBox.html#z266_3">NLMISC::CAABBox::transformAABBox</a>(m, <a class="code" href="classNL3D_1_1CCluster.html#o4">_BBox</a>);
+00408 <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a> = <a class="code" href="classNLMISC_1_1CAABBox.html#z266_3">NLMISC::CAABBox::transformAABBox</a>(m, <a class="code" href="classNL3D_1_1CCluster.html#o2">_LocalBBox</a>);
+00409 }
+00410
+00411
+00412 } <font class="comment">// NL3D</font>
+</pre></div>
+
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