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+<hr><h1>light_influence_interpolator.cpp</h1><a href="light__influence__interpolator_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="light__influence__interpolator_8h.html">3d/light_influence_interpolator.h</a>"</font>
+00029 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
+00030 <font class="preprocessor">#include "<a class="code" href="point__light__named_8h.html">3d/point_light_named.h</a>"</font>
+00031
+00032
+00033 <font class="keyword">namespace </font>NL3D
+00034 {
+00035
+00036
+00037 <font class="comment">// ***************************************************************************</font>
+<a name="l00038"></a><a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#a1">00038</a> <font class="keywordtype">void</font> CLightInfluenceInterpolator::interpolate(std::vector&lt;CPointLightInfluence&gt; &amp;pointLightList, <font class="keywordtype">float</font> subX, <font class="keywordtype">float</font> subY)
+00039 {
+00040 <a class="code" href="types__nl_8h.html#a14">uint</a> crn;
+00041 <font class="comment">// UnRolled loops.</font>
+00042 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#s1s0">NumLightPerCorner</a>==2);
+00043
+00044 <font class="comment">// Reset index for each light.</font>
+00045 <font class="keywordflow">for</font>(crn= 0; crn&lt;4; crn++)
+00046 {
+00047 CCorner &amp;corner= <a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#m0">Corners</a>[crn];
+00048 <font class="comment">// UnRolled.</font>
+00049 <font class="keywordflow">if</font>(corner.Lights[0])
+00050 corner.<a class="code" href="structNL3D_1_1CLightInfluenceInterpolator_1_1CCorner.html#m0">Lights</a>[0]-&gt;_IdInInfluenceList= -1;
+00051 <font class="keywordflow">if</font>(corner.Lights[1])
+00052 corner.Lights[1]-&gt;_IdInInfluenceList= -1;
+00053 }
+00054
+00055 <font class="comment">// Compute biLinear influence on each corner</font>
+00056 <a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#m0">Corners</a>[0].<a class="code" href="structNL3D_1_1CLightInfluenceInterpolator_1_1CCorner.html#o0">Influence</a>= (1-subX) * (1-subY);
+00057 <a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#m0">Corners</a>[1].<a class="code" href="structNL3D_1_1CLightInfluenceInterpolator_1_1CCorner.html#o0">Influence</a>= subX * (1-subY);
+00058 <a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#m0">Corners</a>[2].<a class="code" href="structNL3D_1_1CLightInfluenceInterpolator_1_1CCorner.html#o0">Influence</a>= (1-subX) * subY;
+00059 <a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#m0">Corners</a>[3].<a class="code" href="structNL3D_1_1CLightInfluenceInterpolator_1_1CCorner.html#o0">Influence</a>= subX * subY;
+00060
+00061 <font class="comment">// For each light of each corner</font>
+00062 <font class="keywordflow">for</font>(crn= 0; crn&lt;4; crn++)
+00063 {
+00064 CCorner &amp;corner= <a class="code" href="classNL3D_1_1CLightInfluenceInterpolator.html#m0">Corners</a>[crn];
+00065 <font class="comment">// UnRolled.</font>
+00066 <font class="comment">// light 0.</font>
+00067 <font class="keywordflow">if</font>(corner.Lights[0])
+00068 {
+00069 <font class="keywordflow">if</font>(corner.Lights[0]-&gt;_IdInInfluenceList==-1)
+00070 {
+00071 <font class="comment">// append a PointLightInfluence</font>
+00072 pointLightList.push_back(CPointLightInfluence());
+00073 <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>= pointLightList.size()-1;
+00074 <font class="comment">// setup the PointLightInfluence</font>
+00075 corner.Lights[0]-&gt;_IdInInfluenceList= <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>;
+00076 pointLightList[<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>].PointLight= corner.Lights[0];
+00077 pointLightList[<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>].Influence= corner.Influence;
+00078 }
+00079 <font class="keywordflow">else</font>
+00080 {
+00081 <font class="comment">// get the PointLightInfluence</font>
+00082 <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>= corner.Lights[0]-&gt;_IdInInfluenceList;
+00083 <font class="comment">// increment the influence of the PointLightInfluence</font>
+00084 pointLightList[<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>].Influence+= corner.Influence;
+00085 }
+00086 }
+00087 <font class="comment">// light 1.</font>
+00088 <font class="keywordflow">if</font>(corner.Lights[1])
+00089 {
+00090 <font class="keywordflow">if</font>(corner.Lights[1]-&gt;_IdInInfluenceList==-1)
+00091 {
+00092 <font class="comment">// append a PointLightInfluence</font>
+00093 pointLightList.push_back(CPointLightInfluence());
+00094 <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>= pointLightList.size()-1;
+00095 <font class="comment">// setup the PointLightInfluence</font>
+00096 corner.Lights[1]-&gt;_IdInInfluenceList= <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>;
+00097 pointLightList[<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>].PointLight= corner.Lights[1];
+00098 pointLightList[<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>].Influence= corner.Influence;
+00099 }
+00100 <font class="keywordflow">else</font>
+00101 {
+00102 <font class="comment">// get the PointLightInfluence</font>
+00103 <a class="code" href="types__nl_8h.html#a13">sint</a> <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>= corner.Lights[1]-&gt;_IdInInfluenceList;
+00104 <font class="comment">// increment the influence of the PointLightInfluence</font>
+00105 pointLightList[<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>].Influence+= corner.Influence;
+00106 }
+00107 }
+00108 }
+00109 }
+00110
+00111
+00112
+00113 } <font class="comment">// NL3D</font>
+</pre></div>
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