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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>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> +</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> |