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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>->Children.erase(std::remove(<a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>->Children.begin(), <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>->Children.end(), <font class="keyword">this</font>), <a class="code" href="classNL3D_1_1CCluster.html#m4">Father</a>->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 < <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]->Father == <font class="keyword">this</font>)
00080 {
00081 <a class="code" href="classNL3D_1_1CCluster.html#m5">Children</a>[k]->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& p1, CVector& p2, CVector& 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 < <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 < <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) && (f2 < <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) && (f3 < <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 < <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 > <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) && (f2 > <a class="code" href="cluster_8cpp.html#a0">CLUSTERPRECISION</a>) && (f3 > <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& p)
00147 {
00148 <font class="keywordflow">for</font> (uint i = 0; i < <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 > <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& b)
00157 {
00158 <font class="keywordflow">for</font> (uint i = 0; i < <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>& center, <font class="keywordtype">float</font> size)
00168 {
00169 <font class="keywordflow">for</font> (uint i = 0; i < <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 > 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 < <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 < <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&f)
00202 {
00203 sint version = f.serialVersion (1);
00204
00205 <font class="keywordflow">if</font> (version >= 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 &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 < <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 < 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 < 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<CCluster*>(this-><a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>);
00295
00296 pCluster->setWorldMatrix (<a class="code" href="classNL3D_1_1IBaseHrcObs.html#z460_0">WorldMatrix</a>);
00297
00298 <font class="keywordflow">for</font> (uint32 i = 0; i < pCluster->getNbPortals(); ++i)
00299 {
00300 CPortal *pPortal = pCluster->getPortal(i);
00301 pPortal->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->isRoot())
00306 {
00307 pCluster->Group->_ClipTrav->Accel.erase (pCluster->AccelIt);
00308 pCluster->Group->_ClipTrav->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<IBaseClipObs*>(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<CCluster*>(this-><a class="code" href="classNL3D_1_1IObs.html#m0">Model</a>);
00342 uint32 i;
00343 <font class="keywordflow">for</font> (i = 0; i < pCluster->getNbPortals(); ++i)
00344 {
00345 CPortal*pPortal = pCluster->getPortal (i);
00346 vector<CPlane> WorldPyrTemp = (static_cast<CClipTrav*>(Trav))->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->getCluster(0) == pCluster)
00350 pOtherSideCluster = pPortal->getCluster (1);
00351 <font class="keywordflow">else</font>
00352 pOtherSideCluster = pPortal->getCluster (0);
00353
00354 <font class="keywordflow">if</font> (pCluster->Father != NULL)
00355 <font class="keywordflow">if</font> (caller == pCluster->Father->getClipObs()) <font class="comment">// If the caller is the father</font>
00356 <font class="keywordflow">if</font> (pCluster->VisibleFromFather)
00357 <font class="comment">// Backface clipping</font>
00358 <font class="keywordflow">if</font>( !pPortal->isInFront( (static_cast<CClipTrav*>(<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>))->CamPos ))
00359 backfaceclipped = <font class="keyword">true</font>;
00360
00361 <font class="keywordflow">if</font> (!backfaceclipped)
00362 <font class="keywordflow">if</font> (pPortal->clipPyramid ((static_cast<CClipTrav*>(<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>))->CamPos,
00363 (static_cast<CClipTrav*>(<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>))->WorldPyramid))
00364 {
00365 <a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">CClusterClipObs</a> *pObserver = pOtherSideCluster->getClipObs();
00366 pObserver->traverse (<font class="keyword">this</font>);
00367 }
00368
00369 (static_cast<CClipTrav*>(Trav))->WorldPyramid = WorldPyrTemp;
00370 }
00371
00372 <font class="comment">// Link up in hierarchy</font>
00373 <font class="keywordflow">if</font> ((pCluster->FatherVisible)&&(pCluster->Father != NULL))
00374 {
00375 <a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">CClusterClipObs</a> *pObserver = pCluster->Father->getClipObs();
00376 pObserver->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 < pCluster->Children.size(); ++i)
00381 <font class="keywordflow">if</font> (pCluster->Children[i]->VisibleFromFather)
00382 {
00383 <a class="code" href="classNL3D_1_1CClusterClipObs.html#a0">CClusterClipObs</a> *pObserver = pCluster->Children[i]->getClipObs();
00384 pObserver->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> &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 < <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>
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