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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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 &vbuild) +00053 { +00054 <font class="comment">// Must have TexCoord0.</font> +00055 <a class="code" href="debug_8h.html#a6">nlassert</a>( vbuild.VB.getVertexFormat() & 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 && ( vbuild.VB.getVertexFormat() & 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> && 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 && <a class="code" href="classNL3D_1_1CVegetableShape.html#z818_1">DoubleSided</a> && (!<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> && 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<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() & 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<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))->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<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->U= (srcColor->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->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->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 &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> &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>=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> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |