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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::CLightInfluenceInterpolator class Reference</title>
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+<h1>NL3D::CLightInfluenceInterpolator Class Reference</h1><code>#include &lt;<a class="el" href="a05896.html">light_influence_interpolator.h</a>&gt;</code>
+<p>
+<hr><a name="_details"></a><h2>Detailed Description</h2>
+This class is used by <a class="el" href="a02702.html">CLandscape</a> and IG/Pacs to compute interpolated influence of lights (biLinear-like) on a square. It works only with <a class="el" href="a03094.html">CPointLightNamed</a>. <dl compact><dt><b>Author:</b></dt><dd>Lionel Berenguier <p>
+Nevrax France </dd></dl>
+<dl compact><dt><b>Date:</b></dt><dd>2001 </dd></dl>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a05896.html#l00048">48</a> of file <a class="el" href="a05896.html">light_influence_interpolator.h</a>.<table border=0 cellpadding=0 cellspacing=0>
+<tr><td></td></tr>
+<tr><td colspan=2><br><h2>Public Types</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>enum &nbsp;</td><td class="memItemRight" valign=bottom>{ <a class="el" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatorw0NL3D_1_1CLightInfluenceInterpolatorw1">NumLightPerCorner</a> = 2
+ }</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">We support only 2 light per corner. <a href="#NL3D_1_1CLightInfluenceInterpolatorw0">More...</a><br><br></td></tr>
+<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatora0">CLightInfluenceInterpolator</a> ()</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. No-op !! <a href="#NL3D_1_1CLightInfluenceInterpolatora0"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatora1">interpolate</a> (std::vector&lt; <a class="el" href="a03092.html">CPointLightInfluence</a> &gt; &amp;pointLightList, float subX, float subY)</td></tr>
+
+<tr><td colspan=2><br><h2>Data Fields</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a02746.html">CCorner</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a> [4]</td></tr>
+
+</table>
+<hr><h2>Member Enumeration Documentation</h2>
+<a class="anchor" name="NL3D_1_1CLightInfluenceInterpolatorw0" doxytag="NL3D::CLightInfluenceInterpolator::@16" ></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" nowrap valign="top"> anonymous enum
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+We support only 2 light per corner.
+<p>
+<dl compact><dt><b>Enumeration values: </b></dt><dd>
+<table border=0 cellspacing=2 cellpadding=0>
+<tr><td valign=top><em><a class="anchor" name="NL3D_1_1CLightInfluenceInterpolatorw0NL3D_1_1CLightInfluenceInterpolatorw1" doxytag="NumLightPerCorner" ></a>NumLightPerCorner</em>&nbsp;</td><td>
+</td></tr>
+</table>
+</dl>
+
+<p>
+Definition at line <a class="el" href="a05896.html#l00053">53</a> of file <a class="el" href="a05896.html">light_influence_interpolator.h</a>.
+<p>
+<div class="fragment"><pre>00053 {<a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatorw0NL3D_1_1CLightInfluenceInterpolatorw1">NumLightPerCorner</a>= 2};
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Constructor &amp; Destructor Documentation</h2>
+<a class="anchor" name="NL3D_1_1CLightInfluenceInterpolatora0" doxytag="NL3D::CLightInfluenceInterpolator::CLightInfluenceInterpolator" ></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" nowrap valign="top"> NL3D::CLightInfluenceInterpolator::CLightInfluenceInterpolator </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [inline]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Constructor. No-op !!
+<p>
+
+<p>
+Definition at line <a class="el" href="a05896.html#l00077">77</a> of file <a class="el" href="a05896.html">light_influence_interpolator.h</a>.
+<p>
+<div class="fragment"><pre>00077 {}
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NL3D_1_1CLightInfluenceInterpolatora1" doxytag="NL3D::CLightInfluenceInterpolator::interpolate" ></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" nowrap valign="top"> void NL3D::CLightInfluenceInterpolator::interpolate </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">std::vector&lt; <a class="el" href="a03092.html">CPointLightInfluence</a> &gt; &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>pointLightList</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap> <em>subX</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap> <em>subY</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+solve the biLinear (regrouping multiple influence of light at same id), and add <a class="el" href="a03092.html">CPointLightInfluence</a> to the list. <dl compact><dt><b>Parameters:</b></dt><dd>
+ <table border="0" cellspacing="2" cellpadding="0">
+ <tr><td valign=top><em>subX</em>&nbsp;</td><td>E [0, 1] is the x coord for biLinear </td></tr>
+ <tr><td valign=top><em>subY</em>&nbsp;</td><td>E [0, 1] is the y coord for biLinear</td></tr>
+ </table>
+</dl>
+
+<p>
+Definition at line <a class="el" href="a05895.html#l00038">38</a> of file <a class="el" href="a05895.html">light_influence_interpolator.cpp</a>.
+<p>
+References <a class="el" href="a06185.html#l00099">NL3D::CPointLightNamed::_IdInInfluenceList</a>, <a class="el" href="a05896.html#l00071">Corners</a>, <a class="el" href="a05896.html#l00065">NL3D::CLightInfluenceInterpolator::CCorner::Influence</a>, <a class="el" href="a05896.html#l00060">NL3D::CLightInfluenceInterpolator::CCorner::Lights</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatorw0NL3D_1_1CLightInfluenceInterpolatorw1">NumLightPerCorner</a>, <a class="el" href="a05981.html#l00104">sint</a>, and <a class="el" href="a05981.html#l00105">uint</a>.
+<p>
+Referenced by <a class="el" href="a06157.html#l01543">NL3D::CPatch::appendTileLightInfluences()</a>, and <a class="el" href="a06475.html#l00062">NL3D::CSurfaceLightGrid::getStaticLightSetup()</a>.
+<p>
+<div class="fragment"><pre>00039 {
+00040 <a class="code" href="a04558.html#a15">uint</a> crn;
+00041 <span class="comment">// UnRolled loops.</span>
+00042 <a class="code" href="a04199.html#a6">nlassert</a>(NumLightPerCorner==2);
+00043
+00044 <span class="comment">// Reset index for each light.</span>
+00045 <span class="keywordflow">for</span>(crn= 0; crn&lt;4; crn++)
+00046 {
+00047 CCorner &amp;corner= <a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a>[crn];
+00048 <span class="comment">// UnRolled.</span>
+00049 <span class="keywordflow">if</span>(corner.Lights[0])
+00050 corner.<a class="code" href="a02746.html#NL3D_1_1CLightInfluenceInterpolator_1_1CCornero0">Lights</a>[0]-&gt;_IdInInfluenceList= -1;
+00051 <span class="keywordflow">if</span>(corner.Lights[1])
+00052 corner.Lights[1]-&gt;_IdInInfluenceList= -1;
+00053 }
+00054
+00055 <span class="comment">// Compute biLinear influence on each corner</span>
+00056 <a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a>[0].<a class="code" href="a02746.html#NL3D_1_1CLightInfluenceInterpolator_1_1CCornerr0">Influence</a>= (1-subX) * (1-subY);
+00057 <a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a>[1].<a class="code" href="a02746.html#NL3D_1_1CLightInfluenceInterpolator_1_1CCornerr0">Influence</a>= subX * (1-subY);
+00058 <a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a>[2].<a class="code" href="a02746.html#NL3D_1_1CLightInfluenceInterpolator_1_1CCornerr0">Influence</a>= (1-subX) * subY;
+00059 <a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a>[3].<a class="code" href="a02746.html#NL3D_1_1CLightInfluenceInterpolator_1_1CCornerr0">Influence</a>= subX * subY;
+00060
+00061 <span class="comment">// For each light of each corner</span>
+00062 <span class="keywordflow">for</span>(crn= 0; crn&lt;4; crn++)
+00063 {
+00064 CCorner &amp;corner= <a class="code" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">Corners</a>[crn];
+00065 <span class="comment">// UnRolled.</span>
+00066 <span class="comment">// light 0.</span>
+00067 <span class="keywordflow">if</span>(corner.Lights[0])
+00068 {
+00069 <span class="keywordflow">if</span>(corner.Lights[0]-&gt;_IdInInfluenceList==-1)
+00070 {
+00071 <span class="comment">// append a PointLightInfluence</span>
+00072 pointLightList.push_back(CPointLightInfluence());
+00073 <a class="code" href="a04558.html#a14">sint</a> <span class="keywordtype">id</span>= pointLightList.size()-1;
+00074 <span class="comment">// setup the PointLightInfluence</span>
+00075 corner.Lights[0]-&gt;_IdInInfluenceList= <span class="keywordtype">id</span>;
+00076 pointLightList[<span class="keywordtype">id</span>].PointLight= corner.Lights[0];
+00077 pointLightList[<span class="keywordtype">id</span>].Influence= corner.Influence;
+00078 }
+00079 <span class="keywordflow">else</span>
+00080 {
+00081 <span class="comment">// get the PointLightInfluence</span>
+00082 <a class="code" href="a04558.html#a14">sint</a> <span class="keywordtype">id</span>= corner.Lights[0]-&gt;_IdInInfluenceList;
+00083 <span class="comment">// increment the influence of the PointLightInfluence</span>
+00084 pointLightList[<span class="keywordtype">id</span>].Influence+= corner.Influence;
+00085 }
+00086 }
+00087 <span class="comment">// light 1.</span>
+00088 <span class="keywordflow">if</span>(corner.Lights[1])
+00089 {
+00090 <span class="keywordflow">if</span>(corner.Lights[1]-&gt;_IdInInfluenceList==-1)
+00091 {
+00092 <span class="comment">// append a PointLightInfluence</span>
+00093 pointLightList.push_back(CPointLightInfluence());
+00094 <a class="code" href="a04558.html#a14">sint</a> <span class="keywordtype">id</span>= pointLightList.size()-1;
+00095 <span class="comment">// setup the PointLightInfluence</span>
+00096 corner.Lights[1]-&gt;_IdInInfluenceList= <span class="keywordtype">id</span>;
+00097 pointLightList[<span class="keywordtype">id</span>].PointLight= corner.Lights[1];
+00098 pointLightList[<span class="keywordtype">id</span>].Influence= corner.Influence;
+00099 }
+00100 <span class="keywordflow">else</span>
+00101 {
+00102 <span class="comment">// get the PointLightInfluence</span>
+00103 <a class="code" href="a04558.html#a14">sint</a> <span class="keywordtype">id</span>= corner.Lights[1]-&gt;_IdInInfluenceList;
+00104 <span class="comment">// increment the influence of the PointLightInfluence</span>
+00105 pointLightList[<span class="keywordtype">id</span>].Influence+= corner.Influence;
+00106 }
+00107 }
+00108 }
+00109 }
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Field Documentation</h2>
+<a class="anchor" name="NL3D_1_1CLightInfluenceInterpolatoro0" doxytag="NL3D::CLightInfluenceInterpolator::Corners" ></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" nowrap valign="top"> <a class="el" href="a02746.html">CCorner</a> <a class="el" href="a02745.html#NL3D_1_1CLightInfluenceInterpolatoro0">NL3D::CLightInfluenceInterpolator::Corners</a>[4]
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+The User must setup Lights correctly for each corner (ie set NULL for each light not here). Corner order is TL(0,0), TR(1,0), BL(0,1), BR(1,1).
+<p>
+Definition at line <a class="el" href="a05896.html#l00071">71</a> of file <a class="el" href="a05896.html">light_influence_interpolator.h</a>.
+<p>
+Referenced by <a class="el" href="a06157.html#l01543">NL3D::CPatch::appendTileLightInfluences()</a>, <a class="el" href="a06475.html#l00062">NL3D::CSurfaceLightGrid::getStaticLightSetup()</a>, and <a class="el" href="a05895.html#l00038">interpolate()</a>. </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following files:<ul>
+<li><a class="el" href="a05896.html">light_influence_interpolator.h</a><li><a class="el" href="a05895.html">light_influence_interpolator.cpp</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 06:49:26 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>
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