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<hr><h1>load_balancing_trav.h</h1><a href="load__balancing__trav_8h.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">#ifndef NL_LOAD_BALANCING_TRAV_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_LOAD_BALANCING_TRAV_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="matrix_8h.html">nel/misc/matrix.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="trav__scene_8h.html">3d/trav_scene.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="value__smoother_8h.html">nel/misc/value_smoother.h</a>"</font>
00034
00035
00036 <font class="keyword">namespace </font>NL3D
00037 {
00038
00039
00040 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>;
00041 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a>;
00042 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>;
00043
00044
00045 <font class="keyword">class </font>IBaseLoadBalancingObs;
00046 <font class="keyword">class </font>IBaseHrcObs;
00047 <font class="keyword">class </font>IBaseClipObs;
00048 <font class="keyword">class </font>CClipTrav;
00049 <font class="keyword">class </font>CLoadBalancingTrav;
00050
00051
00052 <font class="comment">// ***************************************************************************</font>
00053 <font class="comment">// ClassIds.</font>
00054 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CClassId.html">NLMISC::CClassId</a> <a class="code" href="namespaceNL3D.html#a93">LoadBalancingTravId</a>=<a class="code" href="classNLMISC_1_1CClassId.html">NLMISC::CClassId</a>(0x7181548, 0x36ad3c10);
00055
00056
00057 <font class="comment">// ***************************************************************************</font>
<a name="l00067"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html">00067</a> <font class="comment"></font><font class="keyword">class </font>CLoadBalancingGroup
00068 {
00069 <font class="keyword">public</font>:
00070 <font class="comment">// see CScene.</font>
<a name="l00071"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">00071</a> <font class="keyword">enum</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">TPolygonBalancingMode</a> {<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s0">PolygonBalancingOff</a>=0, <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s1">PolygonBalancingOn</a>, <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s2">PolygonBalancingClamp</a>, <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s3">CountPolygonBalancing</a> };
00072
00073 <font class="keyword">public</font>:
00074 <font class="comment">// Name of the group.</font>
<a name="l00075"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#m0">00075</a> std::string <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#m0">Name</a>;
00076
00077 <font class="keyword">public</font>:
00078 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a0">CLoadBalancingGroup</a>();
00079
<a name="l00080"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a1">00080</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a1">setNbFaceWanted</a>(uint nFaces) {<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>= nFaces;}
<a name="l00081"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a2">00081</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a2">getNbFaceWanted</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>;}
00082
<a name="l00083"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a3">00083</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a3">getNbFaceAsked</a> ()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>;}
00084
00085 <font class="keyword">public</font>:
00086 <font class="comment">// ONLY FOR OBSERVERS</font>
<a name="l00087"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a4">00087</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a4">addNbFacesPass0</a>(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>) {<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>+= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;}
00088
<a name="l00090"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a5">00090</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a5">computeModelNbFace</a>(<font class="keywordtype">float</font> faceIn) {<font class="keywordflow">return</font> faceIn * <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>;}
00091
00092 <font class="keyword">private</font>:
<a name="l00093"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#l0">00093</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#l0">CLoadBalancingTrav</a>;
00094
00095 <font class="comment">// DefaultGroup means LoadBalancing disabled.</font>
<a name="l00096"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o0">00096</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o0">_DefaultGroup</a>;
00097
00098 <font class="comment">// The number of faces count in Pass0.</font>
<a name="l00099"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">00099</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>;
00100
00101 <font class="comment">// The number of face the user want</font>
<a name="l00102"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">00102</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>;
00103
00104 <font class="comment">// use this ratio into Pass 1 to reduce faces.</font>
<a name="l00105"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">00105</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>;
00106
00107 <font class="comment">// To smooth the faceRatio</font>
<a name="l00108"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">00108</a> <a class="code" href="classNLMISC_1_1CValueSmoother.html">NLMISC::CValueSmoother</a> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>;
00109 <font class="comment">// Balancing Mode</font>
<a name="l00110"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">00110</a> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">TPolygonBalancingMode</a> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">_PrecPolygonBalancingMode</a>;
00111
00112 <font class="comment">// as it sounds..</font>
00113 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#c0">computeRatioAndSmooth</a>(<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4">TPolygonBalancingMode</a> polMode);
00114 };
00115
00116
00117
00118 <font class="comment">// ***************************************************************************</font>
<a name="l00129"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html">00129</a> <font class="comment"></font><font class="keyword">class </font>CLoadBalancingTrav : <font class="keyword">public</font> ITravCameraScene
00130 {
00131 <font class="keyword">public</font>:
00132
00134 <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a0">CLoadBalancingTrav</a>();
00135
00136
00138
00139 IObs *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_0">createDefaultObs</a>() <font class="keyword">const</font>;
<a name="l00140"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_1">00140</a> NLMISC::CClassId <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_1">getClassId</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> LoadBalancingTravId;}
<a name="l00144"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_2">00144</a> sint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_2">getRenderOrder</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> 2300;}
00145 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_3">traverse</a>();
00147
00148
00150
00151
00152 <font class="comment">// The PolygonBalancingMode</font>
<a name="l00153"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_0">00153</a> <font class="keyword">typedef</font> CLoadBalancingGroup::TPolygonBalancingMode <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_0">TPolygonBalancingMode</a>;
<a name="l00154"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_5">00154</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_0">TPolygonBalancingMode</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_5">PolygonBalancingMode</a>;
00155
00156
00160 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_1">setGroupNbFaceWanted</a>(<font class="keyword">const</font> std::string &group, uint nFaces);
00161
00165 uint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_2">getGroupNbFaceWanted</a>(<font class="keyword">const</font> std::string &group);
00166
00167
00171 <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_3">getGroupNbFaceAsked</a> (<font class="keyword">const</font> std::string &group) <font class="keyword">const</font>;
00172
00174 <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_4">getNbFaceAsked</a> () <font class="keyword">const</font>;
00175
00177
00178
00179 <font class="keyword">public</font>:
00180 <font class="comment">// ONLY FOR OBSERVERS</font>
<a name="l00181"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a1">00181</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a1">getLoadPass</a>() {<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">_LoadPass</a>;}
00182
<a name="l00183"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a2">00183</a> CLoadBalancingGroup *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a2">getDefaultGroup</a>() {<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">_DefaultGroup</a>;}
00184
00185 <font class="comment">// Get a group by name, create if needed.</font>
00186 CLoadBalancingGroup *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a3">getOrCreateGroup</a>(<font class="keyword">const</font> std::string &group);
00187
00188
00189 <font class="comment">// For clipTrav. cleared at beginning of CClipTrav::traverse</font>
00190 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a4">clearVisibleList</a>();
00191
00192 <font class="comment">// For ClipObservers only. NB: list is cleared at begining of traverse().</font>
00193 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a5">addVisibleObs</a>(IBaseLoadBalancingObs *obs);
00194
00195 <font class="comment">// **************</font>
00196 <font class="keyword">private</font>:
00197 <font class="comment">// Pass: 0 (compute faceCount from all models) or 1 (setup wanted faceCount).</font>
<a name="l00198"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">00198</a> uint <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">_LoadPass</a>;
00199
00200 <font class="comment">// The sum of all Pass0 groups.</font>
<a name="l00201"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">00201</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">_SumNbFacePass0</a>;
00202
00203 <font class="comment">// The loadBalancing balance only visible objects.</font>
00204 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#c0">traverseVisibilityList</a>();
00205
00206
00207 <font class="comment">// The groups.</font>
<a name="l00208"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">00208</a> CLoadBalancingGroup *<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">_DefaultGroup</a>;
<a name="l00209"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u0">00209</a> <font class="keyword">typedef</font> std::map<std::string, CLoadBalancingGroup> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u0">TGroupMap</a>;
<a name="l00210"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u1">00210</a> <font class="keyword">typedef</font> TGroupMap::iterator <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u1">ItGroupMap</a>;
<a name="l00211"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">00211</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u0">TGroupMap</a> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>;
00212
00213 <font class="comment">// traverse list of model visible and usefull to loadBalance.</font>
<a name="l00214"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">00214</a> std::vector<IBaseLoadBalancingObs*> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>;
00215
00216 };
00217
00218
00219 <font class="comment">// ***************************************************************************</font>
<a name="l00236"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html">00236</a> <font class="comment"></font><font class="keyword">class </font>IBaseLoadBalancingObs : <font class="keyword">public</font> IObs
00237 {
00238 <font class="keyword">public</font>:
<a name="l00240"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">00240</a> IBaseHrcObs *<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>;
<a name="l00241"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">00241</a> IBaseClipObs *<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">ClipObs</a>;
00242
00243 <font class="comment">// Which group owns this model</font>
<a name="l00244"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">00244</a> CLoadBalancingGroup *<a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>;
00245
00246 <font class="keyword">public</font>:
00247
<a name="l00249"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a0">00249</a> <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a0">IBaseLoadBalancingObs</a>()
00250 {
00251 <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>=NULL;
00252 <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">ClipObs</a>= NULL;
00253 }
00255 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a1">init</a>();
00256
00257
00259
00260 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#z529_0">traverse</a>(<a class="code" href="classNL3D_1_1IObs.html#a0">IObs</a> *caller) =0;
00262
00263
00264 };
00265
00266
00267 <font class="comment">// ***************************************************************************</font>
<a name="l00279"></a><a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html">00279</a> <font class="comment"></font><font class="keyword">class </font>CDefaultLoadBalancingObs : <font class="keyword">public</font> IBaseLoadBalancingObs
00280 {
00281 <font class="keyword">public</font>:
00282
00283
<a name="l00285"></a><a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#a0">00285</a> <a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#a0">CDefaultLoadBalancingObs</a>() {}
00286
00288
<a name="l00289"></a><a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#z530_0">00289</a> <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CDefaultLoadBalancingObs.html#z530_0">traverse</a>(<a class="code" href="classNL3D_1_1IObs.html#a0">IObs</a> *caller)
00290 {
00291 <font class="comment">// no need to traverseSons. No graph here.</font>
00292 }
00294
00295 };
00296
00297
00298 } <font class="comment">// NL3D</font>
00299
00300
00301 <font class="preprocessor">#endif // NL_LOAD_BALANCING_TRAV_H</font>
00302 <font class="preprocessor"></font>
00303 <font class="comment">/* End of load_balancing_trav.h */</font>
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