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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
+<title>NeL: NL3D::CPSFaceHelper class Reference</title>
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+<h1>NL3D::CPSFaceHelper Class Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
+Well, we could have put a method template in <a class="el" href="a03186.html">CPSFace</a>, but some compilers want the definition of the methods in the header, and some compilers don't want friend with function template, so we use a static method template of a friend class instead, which gives us the same result :)
+<p>
+
+<p>
+Definition at line <a class="el" href="a06231.html#l00051">51</a> of file <a class="el" href="a06231.html">ps_face.cpp</a>.<table border=0 cellpadding=0 cellspacing=0>
+<tr><td></td></tr>
+<tr><td colspan=2><br><h2>Static Public Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>template&lt;class T, class U&gt; void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03190.html#NL3D_1_1CPSFaceHelpere0">drawFaces</a> (T posIt, U indexIt, <a class="el" href="a03186.html">CPSFace</a> &amp;f, <a class="el" href="a04558.html#a15">uint</a> <a class="el" href="a04223.html#a587">size</a>, <a class="el" href="a04558.html#a11">uint32</a> srcStep)</td></tr>
+
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NL3D_1_1CPSFaceHelpere0" doxytag="NL3D::CPSFaceHelper::drawFaces" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" colspan="4">
+template&lt;class T, class U&gt; </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap valign="top"> void NL3D::CPSFaceHelper::drawFaces </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">T&nbsp;</td>
+ <td class="mdname" nowrap> <em>posIt</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>U&nbsp;</td>
+ <td class="mdname" nowrap> <em>indexIt</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a03186.html">CPSFace</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>f</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a04558.html#a15">uint</a>&nbsp;</td>
+ <td class="mdname" nowrap> <em>size</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a04558.html#a11">uint32</a>&nbsp;</td>
+ <td class="mdname" nowrap> <em>srcStep</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"><code> [inline, static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06231.html#l00055">55</a> of file <a class="el" href="a06231.html">ps_face.cpp</a>.
+<p>
+References <a class="el" href="a06258.html#l00844">NL3D::CPSMaterial::_Mat</a>, <a class="el" href="a06247.html#l01026">NL3D::CPSLocatedBindable::_Owner</a>, <a class="el" href="a06258.html#l00289">NL3D::CPSSizedParticle::_ParticleSize</a>, <a class="el" href="a06258.html#l00697">NL3D::CPSRotated3DPlaneParticle::_PlaneBasis</a>, <a class="el" href="a06258.html#l00695">NL3D::CPSRotated3DPlaneParticle::_PlaneBasisScheme</a>, <a class="el" href="a06232.html#l00140">NL3D::CPSFace::_PrecompBasis</a>, <a class="el" href="a06258.html#l00290">NL3D::CPSSizedParticle::_SizeScheme</a>, <a class="el" href="a06258.html#l00472">NL3D::CPSTexturedParticle::_Tex</a>, <a class="el" href="a02434.html#NL3D_1_1IDrivera2">NL3D::IDriver::activeVertexBuffer()</a>, <a class="el" href="a06249.html#l00039">CHECK_VERTEX_BUFFER</a>, <a class="el" href="a06247.html#l00890">NL3D::CPSLocatedBindable::getDriver()</a>, <a class="el" href="a06262.html#l00146">NL3D::CPSQuad::getNeededVB()</a>, <a class="el" href="a06710.html#l00438">NL3D::CVertexBuffer::getVertexCoordPointer()</a>, <a class="el" href="a06711.html#l00473">NL3D::CVertexBuffer::getVertexSize()</a>, <a class="el" href="a06246.html#l00500">NL3D::CPSLocated::incrementNbDrawnParticles()</a>, <a class="el" href="a06258.html#l00519">NL3D::CPSMultiTexturedParticle::isMultiTextureEnabled()</a>, <a class="el" href="a03136.html#NL3D_1_1CPSAttribMakerz714_2">NL3D::CPSAttribMaker&lt; CPlaneBasis &gt;::make()</a>, <a class="el" href="a03136.html#NL3D_1_1CPSAttribMakerz714_2">NL3D::CPSAttribMaker&lt; float &gt;::make()</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a06152.html#l00060">PARTICLES_CHECK_MEM</a>, <a class="el" href="a02434.html#NL3D_1_1IDrivera54">NL3D::IDriver::renderQuads()</a>, <a class="el" href="a06246.html#l02142">NL3D::CPSLocatedBindable::setupDriverModelMatrix()</a>, <a class="el" href="a06257.html#l00733">NL3D::CPSMultiTexturedParticle::setupMaterial()</a>, <a class="el" href="a05646.html#l00645">size</a>, <a class="el" href="a05646.html#l00244">stride</a>, <a class="el" href="a05981.html#l00105">uint</a>, <a class="el" href="a05981.html#l00100">uint32</a>, <a class="el" href="a05981.html#l00096">uint8</a>, <a class="el" href="a06262.html#l00520">NL3D::CPSQuad::updateMatBeforeRendering()</a>, <a class="el" href="a06262.html#l00386">NL3D::CPSQuad::updateVbColNUVForRender()</a>, <a class="el" href="a06673.html#l00051">NLMISC::CVector::x</a>, <a class="el" href="a06259.html#l00048">NL3D::CPlaneBasis::X</a>, <a class="el" href="a06259.html#l00049">NL3D::CPlaneBasis::Y</a>, <a class="el" href="a06673.html#l00051">NLMISC::CVector::y</a>, and <a class="el" href="a06673.html#l00051">NLMISC::CVector::z</a>.
+<p>
+<div class="fragment"><pre>00056 {
+00057 <a class="code" href="a04729.html#a0">PARTICLES_CHECK_MEM</a>;
+00058 <a class="code" href="a04199.html#a6">nlassert</a>(f._Owner);
+00059 IDriver *driver = f.getDriver();
+00060
+00061 f.updateMatBeforeRendering(driver);
+00062
+00063 CVertexBuffer &amp;vb = f.getNeededVB();
+00064 <a class="code" href="a04558.html#a7">uint8</a> *currVertex;
+00065
+00066 <span class="comment">// number of left faces to draw, number of faces to process at once</span>
+00067 <a class="code" href="a04558.html#a11">uint32</a> leftFaces = <a class="code" href="a04223.html#a587">size</a>, toProcess;
+00068 f._Owner-&gt;incrementNbDrawnParticles(size); <span class="comment">// for benchmark purpose </span>
+00069 f.setupDriverModelMatrix();
+00070 driver-&gt;activeVertexBuffer(vb);
+00071 <span class="keywordflow">if</span> (f.isMultiTextureEnabled())
+00072 {
+00073 f.setupMaterial(f._Tex, driver, f._Mat);
+00074 }
+00075 <span class="keywordtype">float</span> sizeBuf[CPSQuad::quadBufSize];
+00076 <span class="keywordtype">float</span> *ptSize;
+00077 T endPosIt;
+00078
+00079 <span class="comment">// if constant size is used, the pointer points always the same float </span>
+00080 <a class="code" href="a04558.html#a11">uint32</a> ptSizeIncrement = f._SizeScheme ? 1 : 0;
+00081
+00082 <span class="keywordflow">if</span> (f._PrecompBasis.size()) <span class="comment">// do we use precomputed basis ?</span>
+00083 {
+00084 <span class="keywordflow">do</span>
+00085 {
+00086 toProcess = leftFaces &gt; CPSQuad::quadBufSize ? CPSQuad::quadBufSize : leftFaces;
+00087 currVertex = (<a class="code" href="a04558.html#a7">uint8</a> *) vb.getVertexCoordPointer() ;
+00088 <span class="keywordflow">if</span> (f._SizeScheme)
+00089 {
+00090 ptSize = (<span class="keywordtype">float</span> *) (f._SizeScheme-&gt;make(f._Owner, size - leftFaces, sizeBuf, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>), toProcess, <span class="keyword">true</span>, srcStep));
+00091 }
+00092 <span class="keywordflow">else</span>
+00093 {
+00094 ptSize = &amp;f._ParticleSize;
+00095 }
+00096 f.updateVbColNUVForRender(vb, size - leftFaces, toProcess, srcStep);
+00097 <span class="keyword">const</span> <a class="code" href="a04558.html#a11">uint32</a> <a class="code" href="a04223.html#a582">stride</a> = vb.getVertexSize();
+00098 endPosIt = posIt + toProcess;
+00099 <span class="keywordflow">do</span>
+00100 {
+00101 <span class="keyword">const</span> CPlaneBasis &amp;currBasis = f._PrecompBasis[*indexIt].Basis;
+00102 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00103 ((CVector *) currVertex)-&gt;x = (*posIt).x + *ptSize * currBasis.X.x;
+00104 ((CVector *) currVertex)-&gt;y = (*posIt).y + *ptSize * currBasis.X.y;
+00105 ((CVector *) currVertex)-&gt;z = (*posIt).z + *ptSize * currBasis.X.z;
+00106 currVertex += <a class="code" href="a04223.html#a582">stride</a>;
+00107
+00108 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00109 ((CVector *) currVertex)-&gt;x = (*posIt).x + *ptSize * currBasis.Y.x;
+00110 ((CVector *) currVertex)-&gt;y = (*posIt).y + *ptSize * currBasis.Y.y;
+00111 ((CVector *) currVertex)-&gt;z = (*posIt).z + *ptSize * currBasis.Y.z;
+00112 currVertex += <a class="code" href="a04223.html#a582">stride</a>;
+00113
+00114 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00115 ((CVector *) currVertex)-&gt;x = (*posIt).x - *ptSize * currBasis.X.x;
+00116 ((CVector *) currVertex)-&gt;y = (*posIt).y - *ptSize * currBasis.X.y;
+00117 ((CVector *) currVertex)-&gt;z = (*posIt).z - *ptSize * currBasis.X.z;
+00118 currVertex += <a class="code" href="a04223.html#a582">stride</a>;
+00119
+00120 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00121 ((CVector *) currVertex)-&gt;x = (*posIt).x - *ptSize * currBasis.Y.x;
+00122 ((CVector *) currVertex)-&gt;y = (*posIt).y - *ptSize * currBasis.Y.y;
+00123 ((CVector *) currVertex)-&gt;z = (*posIt).z - *ptSize * currBasis.Y.z;
+00124 currVertex += <a class="code" href="a04223.html#a582">stride</a>;
+00125 ptSize += ptSizeIncrement;
+00126 ++indexIt;
+00127 ++posIt;
+00128 }
+00129 <span class="keywordflow">while</span> (posIt != endPosIt);
+00130 driver-&gt;renderQuads(f._Mat, 0, toProcess);
+00131 leftFaces -= toProcess;
+00132 }
+00133 <span class="keywordflow">while</span> (leftFaces);
+00134 }
+00135 <span class="keywordflow">else</span>
+00136 {
+00137 <span class="comment">// must compute each particle basis at each time</span>
+00138 <span class="keyword">static</span> CPlaneBasis planeBasis[CPSQuad::quadBufSize]; <span class="comment">// buffer to compute each particle basis</span>
+00139 CPlaneBasis *currBasis;
+00140 <a class="code" href="a04558.html#a11">uint32</a> ptPlaneBasisIncrement = f._PlaneBasisScheme ? 1 : 0;
+00141 <span class="keyword">const</span> <a class="code" href="a04558.html#a11">uint32</a> vSize = vb.getVertexSize();
+00142 <span class="keywordflow">do</span>
+00143 {
+00144 toProcess = leftFaces &gt; CPSQuad::quadBufSize ? CPSQuad::quadBufSize : leftFaces;
+00145 currVertex = (<a class="code" href="a04558.html#a7">uint8</a> *) vb.getVertexCoordPointer() ;
+00146 <span class="keywordflow">if</span> (f._SizeScheme)
+00147 {
+00148 ptSize = (<span class="keywordtype">float</span> *) (f._SizeScheme-&gt;make(f._Owner, size - leftFaces, sizeBuf, <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>), toProcess, <span class="keyword">true</span>, srcStep));
+00149 }
+00150 <span class="keywordflow">else</span>
+00151 {
+00152 ptSize = &amp;f._ParticleSize;
+00153 }
+00154
+00155 <span class="keywordflow">if</span> (f._PlaneBasisScheme)
+00156 {
+00157 currBasis = (CPlaneBasis *) (f._PlaneBasisScheme-&gt;make(f._Owner, size - leftFaces, planeBasis, <span class="keyword">sizeof</span>(CPlaneBasis), toProcess, <span class="keyword">true</span>, srcStep));
+00158 }
+00159 <span class="keywordflow">else</span>
+00160 {
+00161 currBasis = &amp;f._PlaneBasis;
+00162 }
+00163 f.updateVbColNUVForRender(vb, size - leftFaces, toProcess, srcStep);
+00164 endPosIt = posIt + toProcess;
+00165 <span class="keywordflow">do</span>
+00166 {
+00167 <span class="comment">// we use this instead of the + operator, because we avoid 4 constructor calls this way</span>
+00168 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00169 ((CVector *) currVertex)-&gt;x = (*posIt).x + *ptSize * currBasis-&gt;X.x;
+00170 ((CVector *) currVertex)-&gt;y = (*posIt).y + *ptSize * currBasis-&gt;X.y;
+00171 ((CVector *) currVertex)-&gt;z = (*posIt).z + *ptSize * currBasis-&gt;X.z;
+00172 currVertex += vSize;
+00173
+00174 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00175 ((CVector *) currVertex)-&gt;x = (*posIt).x + *ptSize * currBasis-&gt;Y.x;
+00176 ((CVector *) currVertex)-&gt;y = (*posIt).y + *ptSize * currBasis-&gt;Y.y;
+00177 ((CVector *) currVertex)-&gt;z = (*posIt).z + *ptSize * currBasis-&gt;Y.z;
+00178 currVertex += vSize;
+00179
+00180 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00181 ((CVector *) currVertex)-&gt;x = (*posIt).x - *ptSize * currBasis-&gt;X.x;
+00182 ((CVector *) currVertex)-&gt;y = (*posIt).y - *ptSize * currBasis-&gt;X.y;
+00183 ((CVector *) currVertex)-&gt;z = (*posIt).z - *ptSize * currBasis-&gt;X.z;
+00184 currVertex += vSize;
+00185
+00186 <a class="code" href="a04826.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currVertex);
+00187 ((CVector *) currVertex)-&gt;x = (*posIt).x - *ptSize * currBasis-&gt;Y.x;
+00188 ((CVector *) currVertex)-&gt;y = (*posIt).y - *ptSize * currBasis-&gt;Y.y;
+00189 ((CVector *) currVertex)-&gt;z = (*posIt).z - *ptSize * currBasis-&gt;Y.z;
+00190 currVertex += vSize;
+00191 ptSize += ptSizeIncrement;
+00192 ++posIt;
+00193 currBasis += ptPlaneBasisIncrement;
+00194 }
+00195 <span class="keywordflow">while</span> (posIt != endPosIt);
+00196 driver-&gt;renderQuads(f._Mat, 0, toProcess);
+00197 leftFaces -= toProcess;
+00198 }
+00199 <span class="keywordflow">while</span> (leftFaces);
+00200 }
+00201 <a class="code" href="a04729.html#a0">PARTICLES_CHECK_MEM</a>;
+00202 }
+</pre></div> </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following file:<ul>
+<li><a class="el" href="a06231.html">ps_face.cpp</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 07:11:18 2004 for NeL by
+<a href="http://www.doxygen.org/index.html">
+<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
+</a>1.3.6 </small></address>
+</body>
+</html>