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<hr><h1>ig_surface_light_build.cpp</h1><a href="ig__surface__light__build_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000-2002 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="ig__surface__light__build_8h.html">3d/ig_surface_light_build.h</a>"</font>
00029 
00030 
00031 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00033 
00034 <font class="keyword">namespace </font>NL3D 
00035 {
00036 
00037 
00038 <font class="comment">// ***************************************************************************</font>
<a name="l00039"></a><a class="code" href="classNL3D_1_1CIGSurfaceLightBuild.html#a0">00039</a> <font class="keywordtype">void</font>                    CIGSurfaceLightBuild::buildSunDebugMesh(CMesh::CMeshBuild &amp;meshBuild, 
00040         CMeshBase::CMeshBaseBuild &amp;meshBaseBuild, <font class="keyword">const</font> CVector &amp;deltaPos)
00041 {
00042         <a class="code" href="namespaceNLMISC.html#a222">contReset</a>(meshBuild);
00043         <a class="code" href="namespaceNLMISC.html#a222">contReset</a>(meshBaseBuild);
00044         meshBaseBuild.Materials.resize(1);
00045         meshBaseBuild.Materials[0].initUnlit();
00046         meshBaseBuild.Materials[0].setBlend(<font class="keyword">true</font>);
00047         meshBaseBuild.Materials[0].setBlendFunc(CMaterial::srcalpha, CMaterial::invsrcalpha);
00048 
00049         meshBuild.VertexFlags= CVertexBuffer::PositionFlag | CVertexBuffer::PrimaryColorFlag;
00050 
00051         <font class="comment">// For all grids.</font>
00052         <a class="code" href="classNL3D_1_1CIGSurfaceLightBuild.html#s1">ItRetrieverGridMap</a>      it;
00053         <font class="keywordflow">for</font>(it= <a class="code" href="classNL3D_1_1CIGSurfaceLightBuild.html#m1">RetrieverGridMap</a>.begin(); it!= <a class="code" href="classNL3D_1_1CIGSurfaceLightBuild.html#m1">RetrieverGridMap</a>.end(); it++)
00054         {
00055                 <font class="keywordflow">for</font>(uint iSurf= 0; iSurf&lt;it-&gt;second.Grids.size(); iSurf++)
00056                 {
00057                         CSurface        &amp;surface= it-&gt;second.Grids[iSurf];
00058 
00059                         <font class="comment">// Resize vector and faces.</font>
00060                         uint    wVert= surface.Width;
00061                         uint    hVert= surface.Height;
00062                         uint    wCell= wVert-1;
00063                         uint    hCell= hVert-1;
00064                         uint    vId0= meshBuild.Vertices.size();
00065                         <font class="comment">// Allocate vertices / colors</font>
00066                         meshBuild.Vertices.resize(vId0 + wVert*hVert);
00067                         vector&lt;CRGBA&gt;   colors;
00068                         colors.resize(wVert*hVert);
00069                         <font class="comment">// Allocate enough space for faces.</font>
00070                         meshBuild.Faces.reserve(meshBuild.Faces.size() + wCell*hCell *2);
00071 
00072                         <font class="comment">// Build vertices pos and colors.</font>
00073                         uint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00074                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;hVert; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00075                         {
00076                                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;wVert; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00077                                 {
00078                                         uint    vId= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wVert + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00079                                         <font class="comment">// Copy Pos.</font>
00080                                         meshBuild.Vertices[vId0 + vId]= surface.Cells[vId].CenterPos + deltaPos;
00081                                         <font class="comment">// Copy Color.</font>
00082                                         uint8   col= surface.Cells[vId].SunContribution;
00083                                         colors[vId].set(col, col, col, 128);
00084                                         <font class="comment">// Force Blue color, to simulate ambiant.</font>
00085                                         colors[vId].B= 128 + colors[vId].B/2;
00086                                         <font class="comment">// OutSurface =&gt; green is 128.</font>
00087                                         <font class="keywordflow">if</font>(!surface.Cells[vId].InSurface)
00088                                                 colors[vId].G= 128;
00089 
00090                                 }
00091                         }
00092 
00093                         <font class="comment">// Build faces</font>
00094                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;hCell; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00095                         {
00096                                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;wCell; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00097                                 {
00098                                         uint    v00= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wVert + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00099                                         uint    v10= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wVert + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+1;
00100                                         uint    v01= (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>+1)*wVert + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00101                                         uint    v11= (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>+1)*wVert + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+1;
00102 
00103                                         <font class="comment">// Skip this cell??</font>
00104                                         <font class="keywordtype">bool</font>    skip= <font class="keyword">false</font>;
00105                                         <font class="keywordflow">if</font>(!surface.Cells[v00].InSurface &amp;&amp; !surface.Cells[v00].Dilated)        skip= <font class="keyword">true</font>;
00106                                         <font class="keywordflow">if</font>(!surface.Cells[v10].InSurface &amp;&amp; !surface.Cells[v10].Dilated)        skip= <font class="keyword">true</font>;
00107                                         <font class="keywordflow">if</font>(!surface.Cells[v01].InSurface &amp;&amp; !surface.Cells[v01].Dilated)        skip= <font class="keyword">true</font>;
00108                                         <font class="keywordflow">if</font>(!surface.Cells[v11].InSurface &amp;&amp; !surface.Cells[v11].Dilated)        skip= <font class="keyword">true</font>;
00109 
00110 
00111                                         <font class="keywordflow">if</font>(!skip)
00112                                         {
00113                                                 <font class="comment">// 1st triangle.</font>
00114                                                 CMesh::CFace    face0;
00115                                                 face0.MaterialId= 0;
00116                                                 face0.Corner[0].Vertex= vId0+ v00;
00117                                                 face0.Corner[0].Color= colors[v00];
00118                                                 face0.Corner[1].Vertex= vId0+ v10;
00119                                                 face0.Corner[1].Color= colors[v10];
00120                                                 face0.Corner[2].Vertex= vId0+ v01;
00121                                                 face0.Corner[2].Color= colors[v01];
00122 
00123                                                 <font class="comment">// 2nd triangle.</font>
00124                                                 CMesh::CFace    face1;
00125                                                 face1.MaterialId= 0;
00126                                                 face1.Corner[0].Vertex= vId0+ v10;
00127                                                 face1.Corner[0].Color= colors[v10];
00128                                                 face1.Corner[1].Vertex= vId0+ v11;
00129                                                 face1.Corner[1].Color= colors[v11];
00130                                                 face1.Corner[2].Vertex= vId0+ v01;
00131                                                 face1.Corner[2].Color= colors[v01];
00132 
00133                                                 <font class="comment">// Add 2 triangles</font>
00134                                                 meshBuild.Faces.push_back(face0);
00135                                                 meshBuild.Faces.push_back(face1);
00136                                         }
00137                                 }
00138                         }
00139 
00140 
00141                 }
00142         }
00143 
00144 
00145 }
00146 
00147 
00148 
00149 } <font class="comment">// NL3D</font>
</pre></div>

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