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<hr><h1>vegetable_shape.cpp</h1><a href="vegetable__shape_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="vegetable__shape_8h.html">3d/vegetable_shape.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00031 
00032 
00033 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00034 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00035 
00036 
00037 <font class="keyword">namespace </font>NL3D 
00038 {
00039 
00040 
00041 <font class="comment">// ***************************************************************************</font>
<a name="l00042"></a><a class="code" href="classNL3D_1_1CVegetableShape.html#a0">00042</a> CVegetableShape::CVegetableShape()
00043 {
00044         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_0">Lighted</a>= <font class="keyword">false</font>;
00045         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_1">DoubleSided</a>= <font class="keyword">false</font>;
00046         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_2">PreComputeLighting</a>= <font class="keyword">false</font>;
00047         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_3">AlphaBlend</a>= <font class="keyword">false</font>;
00048         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_4">BestSidedPreComputeLighting</a>= <font class="keyword">false</font>;
00049 }
00050 
00051 <font class="comment">// ***************************************************************************</font>
<a name="l00052"></a><a class="code" href="classNL3D_1_1CVegetableShape.html#a1">00052</a> <font class="keywordtype">void</font>            CVegetableShape::build(CVegetableShapeBuild &amp;vbuild)
00053 {
00054         <font class="comment">// Must have TexCoord0.</font>
00055         <a class="code" href="debug_8h.html#a6">nlassert</a>( vbuild.VB.getVertexFormat() &amp; CVertexBuffer::TexCoord0Flag );
00056 
00057         <font class="comment">// Header</font>
00058         <font class="comment">//---------</font>
00059 
00060         <font class="comment">// Lighted ?</font>
00061         <font class="keywordflow">if</font>(vbuild.Lighted &amp;&amp; ( vbuild.VB.getVertexFormat() &amp; CVertexBuffer::NormalFlag) )
00062                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_0">Lighted</a>= <font class="keyword">true</font>;
00063         <font class="keywordflow">else</font>
00064                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_0">Lighted</a>= <font class="keyword">false</font>;
00065 
00066         <font class="comment">// DoubleSided</font>
00067         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_1">DoubleSided</a>= vbuild.DoubleSided;
00068 
00069         <font class="comment">// PreComputeLighting.</font>
00070         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_2">PreComputeLighting</a>= <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_0">Lighted</a> &amp;&amp; vbuild.PreComputeLighting;
00071 
00072         <font class="comment">// AlphaBlend: valid only for 2Sided and Unlit (or similar PreComputeLighting) mode</font>
00073         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_3">AlphaBlend</a>= vbuild.AlphaBlend &amp;&amp; <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_1">DoubleSided</a> &amp;&amp; (!<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_0">Lighted</a> || <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_2">PreComputeLighting</a>);
00074 
00075         <font class="comment">// BestSidedPreComputeLighting</font>
00076         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_4">BestSidedPreComputeLighting</a>= <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_2">PreComputeLighting</a> &amp;&amp; vbuild.BestSidedPreComputeLighting;
00077 
00078         <font class="comment">// BendCenterMode</font>
00079         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_5">BendCenterMode</a>= vbuild.BendCenterMode;
00080 
00081         <font class="comment">// Format of the VB.</font>
00082         <a class="code" href="types__nl_8h.html#a9">uint32</a>  <a class="code" href="driver__opengl__extension__def_8h.html#a259">format</a>;
00083         <a class="code" href="driver__opengl__extension__def_8h.html#a259">format</a>= CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag | CVertexBuffer::TexCoord1Flag;
00084         <font class="comment">// lighted?</font>
00085         <font class="keywordflow">if</font>(Lighted)
00086                 <a class="code" href="driver__opengl__extension__def_8h.html#a259">format</a>|= CVertexBuffer::NormalFlag;
00087         <font class="comment">// set VB.</font>
00088         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.setVertexFormat(<a class="code" href="driver__opengl__extension__def_8h.html#a259">format</a>);
00089 
00090 
00091         <font class="comment">// Fill triangles.</font>
00092         <font class="comment">//---------</font>
00093         <a class="code" href="types__nl_8h.html#a13">uint</a>    i;
00094         <font class="comment">// resisz</font>
00095         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_7">TriangleIndices</a>.resize(vbuild.PB.getNumTri() * 3);
00096         <a class="code" href="types__nl_8h.html#a9">uint32</a>  *srcTri= vbuild.PB.getTriPointer();
00097         <font class="comment">// fill</font>
00098         <font class="keywordflow">for</font>(i=0; i&lt;vbuild.PB.getNumTri(); i++)
00099         {
00100                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_7">TriangleIndices</a>[i*3+0]= *(srcTri++);
00101                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_7">TriangleIndices</a>[i*3+1]= *(srcTri++);
00102                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_7">TriangleIndices</a>[i*3+2]= *(srcTri++);
00103         }
00104 
00105 
00106         <font class="comment">// Fill vertices.</font>
00107         <font class="comment">//---------</font>
00108         <font class="comment">// resize</font>
00109         <a class="code" href="types__nl_8h.html#a9">uint32</a>          nbVerts= vbuild.VB.getNumVertices();
00110         <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.setNumVertices(nbVerts);
00111         <font class="comment">// if no vertex color, </font>
00112         <font class="keywordtype">float</font>   maxZ= 0;
00113         <font class="keywordtype">bool</font>    bendFromColor= <font class="keyword">true</font>;
00114         <font class="keywordflow">if</font>(! (vbuild.VB.getVertexFormat() &amp; CVertexBuffer::PrimaryColorFlag) )
00115         {
00116                 <font class="comment">// must compute bendWeight from z.</font>
00117                 bendFromColor= <font class="keyword">false</font>;
00118                 <font class="comment">// get the maximum Z.</font>
00119                 <font class="keywordflow">for</font>(i=0;i&lt;nbVerts;i++)
00120                 {
00121                         <font class="keywordtype">float</font>   <a class="code" href="driver__opengl__extension__def_8h.html#a233">z</a>= ((CVector*)vbuild.VB.getVertexCoordPointer(i))-&gt;z;
00122                         maxZ= max(<a class="code" href="driver__opengl__extension__def_8h.html#a233">z</a>, maxZ);
00123                 }
00124                 <font class="comment">// if no positive value, bend will always be 0.</font>
00125                 <font class="keywordflow">if</font>(maxZ==0)
00126                         maxZ= 1;
00127         }
00128 
00129         <font class="comment">// For all vertices, fill</font>
00130         <font class="keywordflow">for</font>(i=0;i&lt;nbVerts;i++)
00131         {
00132                 <font class="comment">// Position.</font>
00133                 CVector         *srcPos= (CVector*)vbuild.VB.getVertexCoordPointer(i);
00134                 CVector         *dstPos= (CVector*)<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.getVertexCoordPointer(i);
00135                 *dstPos= *srcPos;
00136 
00137                 <font class="comment">// Normal</font>
00138                 <font class="keywordflow">if</font>(Lighted)
00139                 {
00140                         CVector         *srcNormal= (CVector*)vbuild.VB.getNormalCoordPointer(i);
00141                         CVector         *dstNormal= (CVector*)<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.getNormalCoordPointer(i);
00142                         *dstNormal= *srcNormal;
00143                 }
00144 
00145                 <font class="comment">// Texture.</font>
00146                 CUV             *srcUV= (CUV*)vbuild.VB.getTexCoordPointer(i, 0);
00147                 CUV             *dstUV= (CUV*)<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.getTexCoordPointer(i, 0);
00148                 *dstUV= *srcUV;
00149 
00150                 <font class="comment">// Bend.</font>
00151                 <font class="comment">// copy to texture stage 1.</font>
00152                 CUV             *dstUVBend= (CUV*)<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.getTexCoordPointer(i, 1);
00153                 <font class="keywordflow">if</font>(bendFromColor)
00154                 {
00155                         CRGBA   *srcColor= (CRGBA*)vbuild.VB.getColorPointer(i);
00156                         <font class="comment">// Copy and scale by MaxBendWeight</font>
00157                         dstUVBend-&gt;U= (srcColor-&gt;R / 255.f) * vbuild.MaxBendWeight;
00158                 }
00159                 <font class="keywordflow">else</font>
00160                 {
00161                         <font class="keywordtype">float</font>   <a class="code" href="driver__opengl__extension__def_8h.html#a234">w</a>= srcPos-&gt;z / maxZ;
00162                         <a class="code" href="driver__opengl__extension__def_8h.html#a234">w</a>= max(<a class="code" href="driver__opengl__extension__def_8h.html#a234">w</a>, 0.f);
00163                         <font class="comment">// Copy and scale by MaxBendWeight</font>
00164                         dstUVBend-&gt;U= <a class="code" href="driver__opengl__extension__def_8h.html#a234">w</a> * vbuild.MaxBendWeight;
00165                 }
00166         }
00167 
00168 
00169         <font class="comment">// Misc.</font>
00170         <font class="comment">//---------</font>
00171         <font class="comment">// prepare for instanciation</font>
00172         <a class="code" href="classNL3D_1_1CVegetableShape.html#z819_0">InstanceVertices</a>.resize(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.getNumVertices());
00173 
00174 }
00175 
00176 <font class="comment">// ***************************************************************************</font>
<a name="l00177"></a><a class="code" href="classNL3D_1_1CVegetableShape.html#a2">00177</a> <font class="keywordtype">void</font>            CVegetableShape::loadShape(<font class="keyword">const</font> std::string &amp;shape)
00178 {
00179         string  path= CPath::lookup(shape);
00180         <font class="comment">// read this file</font>
00181         CIFile  f(path);
00182         <a class="code" href="classNL3D_1_1CVegetableShape.html#a3">serial</a>(f);
00183 }
00184 
00185 <font class="comment">// ***************************************************************************</font>
<a name="l00186"></a><a class="code" href="classNL3D_1_1CVegetableShape.html#a3">00186</a> <font class="keywordtype">void</font>            CVegetableShape::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f)
00187 {
00188         <font class="comment">/*</font>
00189 <font class="comment">        Version 1: </font>
00190 <font class="comment">                - BestSidedPreComputeLighting</font>
00191 <font class="comment">        */</font>
00192         <a class="code" href="types__nl_8h.html#a12">sint</a>    ver= f.<a class="code" href="classNLMISC_1_1IStream.html#a29">serialVersion</a>(1);
00193         f.<a class="code" href="classNLMISC_1_1IStream.html#a30">serialCheck</a>((<a class="code" href="types__nl_8h.html#a9">uint32</a>)'_LEN');
00194         f.<a class="code" href="classNLMISC_1_1IStream.html#a30">serialCheck</a>((<a class="code" href="types__nl_8h.html#a9">uint32</a>)'GEV_');
00195         f.<a class="code" href="classNLMISC_1_1IStream.html#a30">serialCheck</a>((<a class="code" href="types__nl_8h.html#a9">uint32</a>)'BATE');
00196         f.<a class="code" href="classNLMISC_1_1IStream.html#a30">serialCheck</a>((<a class="code" href="types__nl_8h.html#a9">uint32</a>)'__EL');
00197 
00198         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_0">Lighted</a>);
00199         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_1">DoubleSided</a>);
00200         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_2">PreComputeLighting</a>);
00201         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_3">AlphaBlend</a>);
00202         f.<a class="code" href="classNLMISC_1_1IStream.html#a6">serialEnum</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_5">BendCenterMode</a>);
00203         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>);
00204         f.<a class="code" href="classNLMISC_1_1IStream.html#a7">serialCont</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_7">TriangleIndices</a>);
00205 
00206         <font class="keywordflow">if</font>(ver&gt;=1)
00207                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_4">BestSidedPreComputeLighting</a>);
00208         <font class="keywordflow">else</font> <font class="keywordflow">if</font>(f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>())
00209                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_4">BestSidedPreComputeLighting</a>= <font class="keyword">false</font>;
00210 
00211         <font class="comment">// if reading</font>
00212         <font class="keywordflow">if</font>(f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>())
00213         {
00214                 <font class="comment">// prepare for instanciation</font>
00215                 <a class="code" href="classNL3D_1_1CVegetableShape.html#z819_0">InstanceVertices</a>.resize(<a class="code" href="classNL3D_1_1CVegetableShape.html#z818_6">VB</a>.getNumVertices());
00216         }
00217 }
00218 
00219 
00220 
00221 } <font class="comment">// NL3D</font>
</pre></div>

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