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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 &meshBuild,
00040 CMeshBase::CMeshBaseBuild &meshBaseBuild, <font class="keyword">const</font> CVector &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<it->second.Grids.size(); iSurf++)
00056 {
00057 CSurface &surface= it->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<CRGBA> 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><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><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 => 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><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><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 && !surface.Cells[v00].Dilated) skip= <font class="keyword">true</font>;
00106 <font class="keywordflow">if</font>(!surface.Cells[v10].InSurface && !surface.Cells[v10].Dilated) skip= <font class="keyword">true</font>;
00107 <font class="keywordflow">if</font>(!surface.Cells[v01].InSurface && !surface.Cells[v01].Dilated) skip= <font class="keyword">true</font>;
00108 <font class="keywordflow">if</font>(!surface.Cells[v11].InSurface && !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>
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