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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 &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>
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