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<hr><h1>ps_plane_basis_maker.cpp</h1><a href="ps__plane__basis__maker_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 
00029 <font class="preprocessor">#include "<a class="code" href="ps__plane__basis__maker_8h.html">3d/ps_plane_basis_maker.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="ps__register__plane__basis__attribs_8h.html">3d/ps_register_plane_basis_attribs.h</a>"</font>
00031 
00032 <font class="keyword">namespace </font>NL3D 
00033 {
00034 
00035 
<a name="l00036"></a><a class="code" href="classNL3D_1_1CPSPlaneBasisGradient.html#p0">00036</a> CPlaneBasis CPSPlaneBasisGradient::DefaultPlaneBasisTab[] = { CPlaneBasis(<a class="code" href="classNLMISC_1_1CVector.html#p1">NLMISC::CVector::I</a>), CPlaneBasis(<a class="code" href="classNLMISC_1_1CVector.html#p2">NLMISC::CVector::J</a>) };
00037 
00039 <font class="comment">// CPSPlaneBasisFollowSpeed implementation //</font>
00041 <font class="comment"></font>
<a name="l00043"></a><a class="code" href="classNL3D_1_1CPSPlaneBasisFollowSpeed.html#a1">00043</a> <font class="comment">CPlaneBasis CPSPlaneBasisFollowSpeed::get(CPSLocated *loc, uint32 index)</font>
00044 {
00045    <font class="keywordflow">return</font> (CPlaneBasis(loc-&gt;getSpeed()[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]));
00046 }
00047 
<a name="l00049"></a><a class="code" href="classNL3D_1_1CPSPlaneBasisFollowSpeed.html#a2">00049</a> <font class="keywordtype">void</font> *CPSPlaneBasisFollowSpeed::make(CPSLocated *loc,
00050                                                                          uint32 startIndex,
00051                                                                          <font class="keywordtype">void</font> *tab, uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>,
00052                                                                          uint32 numAttrib,
00053                                                                          <font class="keywordtype">bool</font> enableNoCopy <font class="comment">/* = false*/</font>,
00054                                                                          uint32 srcStep <font class="comment">/*= (1 &lt;&lt; 16)*/</font>
00055                                                                         )<font class="keyword"> const</font>
00056 <font class="keyword"></font>{
00057         <a class="code" href="debug_8h.html#a6">nlassert</a>(numAttrib);
00058         <font class="keywordflow">if</font> (srcStep == (1 &lt;&lt; 16))
00059         {               
00060                 TPSAttribVector::const_iterator speedIt = loc-&gt;getSpeed().begin() + startIndex
00061                                                                                 , endSpeedIt = loc-&gt;getSpeed().begin() + startIndex + numAttrib;
00062                 uint8 *ptDat  = (uint8 *) tab; 
00063                 <font class="keywordflow">do</font>
00064                 {
00065                         *(CPlaneBasis *) ptDat = CPlaneBasis(*speedIt);
00066                         ++ speedIt;
00067                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00068                 }
00069                 <font class="keywordflow">while</font> (speedIt != endSpeedIt);
00070                 <font class="keywordflow">return</font> tab;
00071         }
00072         <font class="keywordflow">else</font>
00073         {
00074                 uint32 fpIndex = startIndex * srcStep;
00075                 <font class="keyword">const</font> TPSAttribVector::const_iterator speedIt = loc-&gt;getSpeed().begin();                                                                                
00076                 uint8 *ptDat  = (uint8 *) tab; 
00077                 <font class="keywordflow">while</font> (numAttrib --)
00078                 {
00079                         *(CPlaneBasis *) ptDat = CPlaneBasis(*(speedIt + (fpIndex &gt;&gt; 16)));                     
00080                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00081                         fpIndex += srcStep;
00082                 }               
00083                 <font class="keywordflow">return</font> tab;     
00084         }
00085 }
00086 
<a name="l00088"></a><a class="code" href="classNL3D_1_1CPSPlaneBasisFollowSpeed.html#a3">00088</a> <font class="keywordtype">void</font> CPSPlaneBasisFollowSpeed::make4(CPSLocated *loc,
00089                                                                          uint32 startIndex,
00090                                                                          <font class="keywordtype">void</font> *tab,
00091                                                                          uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>,
00092                                                                          uint32 numAttrib,
00093                                                                          uint32 srcStep <font class="comment">/*= (1 &lt;&lt; 16)*/</font>
00094                                                                         )<font class="keyword"> const</font>
00095 <font class="keyword"></font>{
00096         <a class="code" href="debug_8h.html#a6">nlassert</a>(numAttrib);
00097         <font class="keywordflow">if</font> (srcStep == (1 &lt;&lt; 16))
00098         {               
00099                 TPSAttribVector::const_iterator speedIt = loc-&gt;getSpeed().begin() + startIndex
00100                                                                                 , endSpeedIt = loc-&gt;getSpeed().begin() + startIndex + numAttrib;        
00101                 uint8 *ptDat  = (uint8 *) tab;
00102                 <font class="keywordflow">do</font>
00103                 {
00104                         *(CPlaneBasis *) ptDat = CPlaneBasis(*speedIt);
00105                         *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00106                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00107                         *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00108                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00109                         *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00110                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> &lt;&lt; 1;
00111                         ++ speedIt;             
00112                 }
00113                 <font class="keywordflow">while</font> (speedIt != endSpeedIt);
00114         }
00115         <font class="keywordflow">else</font>
00116         {               
00117                 uint32 fpIndex = startIndex * srcStep;
00118                 <font class="keyword">const</font> TPSAttribVector::const_iterator speedIt = loc-&gt;getSpeed().begin();        
00119                 uint8 *ptDat  = (uint8 *) tab;
00120                 <font class="keywordflow">while</font> (numAttrib --)
00121                 {
00122                         *(CPlaneBasis *) ptDat = CPlaneBasis(*(speedIt + (fpIndex &gt;&gt; 16)));
00123                         *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00124                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00125                         *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00126                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00127                         *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00128                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> &lt;&lt; 1;
00129                         fpIndex += srcStep;
00130                 }               
00131         }
00132 }               
00133 
<a name="l00135"></a><a class="code" href="classNL3D_1_1CPSPlaneBasisFollowSpeed.html#a4">00135</a> <font class="keywordtype">void</font> CPSPlaneBasisFollowSpeed::makeN(CPSLocated *loc,
00136                                                                          uint32 startIndex,
00137                                                                          <font class="keywordtype">void</font> *tab,
00138                                                                          uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>,
00139                                                                          uint32 numAttrib,
00140                                                                          uint32 nbReplicate,
00141                                                                          uint32 srcStep <font class="comment">/*= (1 &lt;&lt; 16) */</font>
00142                                                                         )<font class="keyword"> const</font>
00143 <font class="keyword"></font>{
00144         <a class="code" href="debug_8h.html#a6">nlassert</a>(numAttrib);
00145         <font class="keywordflow">if</font> (srcStep == (1 &lt;&lt; 16))
00146         {
00147                 <a class="code" href="debug_8h.html#a6">nlassert</a>(nbReplicate &gt; 1); 
00148                 TPSAttribVector::const_iterator speedIt = loc-&gt;getSpeed().begin() + startIndex
00149                                                                                 , endSpeedIt = loc-&gt;getSpeed().begin() + startIndex + numAttrib;        
00150                 uint8 *ptDat  = (uint8 *) tab;
00151                 uint k; 
00152                 <font class="keywordflow">do</font>
00153                 {
00154                         *(CPlaneBasis *) ptDat = CPlaneBasis(*speedIt);
00155                         
00156                         k = nbReplicate - 1;            
00157 
00158                         <font class="keywordflow">do</font>
00159                         {
00160                                 *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00161                                 ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00162                         }
00163                         <font class="keywordflow">while</font> (--k);
00164                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00165                 
00166                         ++ speedIt;             
00167                 }
00168                 <font class="keywordflow">while</font> (speedIt != endSpeedIt);
00169         }
00170         <font class="keywordflow">else</font>
00171         {
00172                 uint32 fpIndex = startIndex * srcStep;
00173                 <a class="code" href="debug_8h.html#a6">nlassert</a>(nbReplicate &gt; 1); 
00174                 <font class="keyword">const</font> TPSAttribVector::const_iterator speedIt = loc-&gt;getSpeed().begin();
00175                 uint8 *ptDat  = (uint8 *) tab;
00176                 uint k; 
00177                 <font class="keywordflow">while</font> (numAttrib --)
00178                 {
00179                         *(CPlaneBasis *) ptDat = CPlaneBasis(*(speedIt + (fpIndex &gt;&gt; 16)));
00180                         
00181                         k = nbReplicate - 1;            
00182 
00183                         <font class="keywordflow">do</font>
00184                         {
00185                                 *(CPlaneBasis *) (ptDat + <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>) = *(CPlaneBasis *) ptDat;
00186                                 ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00187                         }
00188                         <font class="keywordflow">while</font> (--k);
00189                         ptDat += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00190         
00191                         fpIndex += srcStep;
00192                 }               
00193         }
00194 }
00195 
00196 
00198 <font class="comment">// CSpinnerFunctor implementation                  //</font>
00200 <font class="comment"></font>
00201 
<a name="l00203"></a><a class="code" href="classNL3D_1_1CSpinnerFunctor.html#a0">00203</a> CSpinnerFunctor::CSpinnerFunctor() : _NbSamples(16), _Axis(NLMISC::CVector::K)
00204 {
00205         <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#b0">updateSamples</a>();
00206 }
00207 
<a name="l00209"></a><a class="code" href="classNL3D_1_1CSpinnerFunctor.html#a2">00209</a> <font class="keywordtype">void</font> CSpinnerFunctor::setAxis(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;axis)
00210 {
00211         <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n2">_Axis</a> = axis;
00212         <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#b0">updateSamples</a>();
00213 }
00214 
<a name="l00216"></a><a class="code" href="classNL3D_1_1CSpinnerFunctor.html#a4">00216</a> <font class="keyword">const</font> <font class="keywordtype">void</font> CSpinnerFunctor::setNumSamples(uint32 nbSamples)
00217 {
00218         <a class="code" href="debug_8h.html#a6">nlassert</a>(nbSamples &gt; 0);
00219         <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n1">_NbSamples</a> = nbSamples;
00220         <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#b0">updateSamples</a>();
00221 }
00222 
<a name="l00224"></a><a class="code" href="classNL3D_1_1CSpinnerFunctor.html#a5">00224</a> <font class="keyword">const</font> uint32 CSpinnerFunctor::getNumSamples(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00225 <font class="keyword"></font>{
00226         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n1">_NbSamples</a>;
00227 }
00228 
<a name="l00230"></a><a class="code" href="classNL3D_1_1CSpinnerFunctor.html#a6">00230</a> <font class="keywordtype">void</font> CSpinnerFunctor::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00231 {
00232         f.serialVersion(1);
00233         f.serial(_Axis, _NbSamples);
00234         <font class="keywordflow">if</font> (f.isReading()) updateSamples();
00235 }
00236 
<a name="l00238"></a><a class="code" href="classNL3D_1_1CSpinnerFunctor.html#b0">00238</a> <font class="keywordtype">void</font> CSpinnerFunctor::updateSamples(<font class="keywordtype">void</font>)
00239 {
00240         <font class="comment">// compute step between each angle</font>
00241         <font class="keyword">const</font> <font class="keywordtype">float</font> angInc = (float) (2.f * NLMISC::Pi / <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n1">_NbSamples</a>);
00242         <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n0">_PBTab</a>.resize(<a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n1">_NbSamples</a> + 1);
00243         <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> mat;
00244         <font class="comment">// compute each sample</font>
00245         <font class="keywordflow">for</font> (uint32 k = 0; k &lt; <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n1">_NbSamples</a>; ++k)
00246         {               
00247                 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a>(<a class="code" href="classNLMISC_1_1CQuat.html">NLMISC::CQuat</a>(<a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n2">_Axis</a>, k * angInc));
00248                 <a class="code" href="classNL3D_1_1CSpinnerFunctor.html#n0">_PBTab</a>[k] = CPlaneBasis(mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>(), mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>());
00249         }
00250 }
00251 
00253 <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a441">PSRegisterPlaneBasisAttribs</a>()
00254 {
00255         <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSPlaneBasisBlender);
00256         <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSPlaneBasisGradient);
00257         <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSPlaneBasisMemory);
00258         <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSPlaneBasisBinOp);
00259         <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSPlaneBasisFollowSpeed);
00260         <a class="code" href="class__registry_8h.html#a1">NLMISC_REGISTER_CLASS</a>(CPSBasisSpinner);
00261 }
00262 
00263 } <font class="comment">// NL3D</font>
00264 
00265 
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