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<hr><h1>seg_remanence.cpp</h1><a href="seg__remanence_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00006 <font class="comment">/* Copyright, 2000, 2001, 2002 Nevrax Ltd.</font>
00007 <font class="comment"> *</font>
00008 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00009 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00010 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00011 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00012 <font class="comment"> * any later version.</font>
00013 <font class="comment"></font>
00014 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00015 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00016 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00017 <font class="comment"> * General Public License for more details.</font>
00018 <font class="comment"></font>
00019 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00020 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00021 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00022 <font class="comment"> * MA 02111-1307, USA.</font>
00023 <font class="comment"> */</font>
00024 
00025 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00026 
00027 <font class="preprocessor">#include "<a class="code" href="seg__remanence_8h.html">3d/seg_remanence.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="seg__remanence__shape_8h.html">3d/seg_remanence_shape.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="vertex__buffer_8h.html">3d/vertex_buffer.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="scene_8h.html">3d/scene.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="anim__detail__trav_8h.html">3d/anim_detail_trav.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="skeleton__model_8h.html">3d/skeleton_model.h</a>"</font>
00034 
00035 
00036 
00037 
00038 <font class="keyword">namespace </font>NL3D
00039 {
00040 
00042 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a450">BuildHermiteVector</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;P0,
00043                                                            <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;P1,
00044                                                            <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;T0,
00045                                                            <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;T1,
00046                                                                          <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;dest,                                                                  
00047                                                            <font class="keywordtype">float</font> lambda
00048                                                            )
00049 {       
00050         <font class="keyword">const</font> <font class="keywordtype">float</font> lambda2 = lambda * lambda;
00051         <font class="keyword">const</font> <font class="keywordtype">float</font> lambda3 = lambda2 * lambda;
00052         <font class="keyword">const</font> <font class="keywordtype">float</font> h1 = 2 * lambda3 - 3 * lambda2 + 1; 
00053         <font class="keyword">const</font> <font class="keywordtype">float</font> h2 = - 2 * lambda3 + 3 * lambda2; 
00054         <font class="keyword">const</font> <font class="keywordtype">float</font> h3 = lambda3 - 2 * lambda2 + lambda; 
00055         <font class="keyword">const</font> <font class="keywordtype">float</font> h4 = lambda3 - lambda2;
00057         dest.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a> (h1 * P0.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + h2 * P1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + h3 * T0.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + h4 * T1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>,
00058                           h1 * P0.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + h2 * P1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + h3 * T0.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> + h4 * T1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>,
00059                           h1 * P0.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + h2 * P1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + h3 * T0.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + h4 * T1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>);
00060 
00061 }
00062 
00063 <font class="comment">//===============================================================</font>
<a name="l00064"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z787_0">00064</a> CSegRemanence::CSegRemanence() : _NumSlice(0),
00065                                                                  _Started(false),
00066                                                                  _Stopping(false),
00067                                                                  _Restarted(false),
00068                                                                  _UnrollRatio(0),
00069                                                                  _AniMat(NULL)
00070 {       
00071         IAnimatable::resize(<a class="code" href="classNL3D_1_1CSegRemanence.html#s2s1">AnimValueLast</a>);
00072 }
00073 
00074 <font class="comment">//===============================================================</font>
<a name="l00075"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z787_1">00075</a> CSegRemanence::~CSegRemanence()
00076 {
00077         <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>;
00078         <font class="comment">// Auto detach me from skeleton. Must do it here, not in ~CTransform().</font>
00079         <font class="keywordflow">if</font>(_FatherSkeletonModel)
00080         {
00081                 <font class="comment">// detach me from the skeleton.</font>
00082                 <font class="comment">// Observers hierarchy is modified.</font>
00083                 <a class="code" href="classNL3D_1_1CTransform.html#z851_7">_FatherSkeletonModel</a>-&gt;detachSkeletonSon(<font class="keyword">this</font>);
00084                 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CTransform.html#z851_7">_FatherSkeletonModel</a>==NULL);
00085         }
00086 }
00087 
00088 <font class="comment">//===============================================================</font>
<a name="l00089"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z787_2">00089</a> CSegRemanence::CSegRemanence(CSegRemanence &amp;other)      : CTransformShape(other), _AniMat(NULL)
00090 {
00091         <a class="code" href="classNL3D_1_1CSegRemanence.html#c1">copyFromOther</a>(other);
00092 }
00093 
00094 <font class="comment">//===============================================================</font>
<a name="l00095"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z787_3">00095</a> CSegRemanence &amp;CSegRemanence::operator = (CSegRemanence &amp;other)
00096 {
00097         <font class="keywordflow">if</font> (<font class="keyword">this</font> != &amp;other)
00098         {       
00099                 (<a class="code" href="classNL3D_1_1CTransformShape.html#b0">CTransformShape</a> &amp;) *<font class="keyword">this</font> = (<a class="code" href="classNL3D_1_1CTransformShape.html#b0">CTransformShape</a> &amp;) other; <font class="comment">// copy base</font>
00100                 <a class="code" href="classNL3D_1_1CSegRemanence.html#c1">copyFromOther</a>(other);
00101         }
00102         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00103 }
00104 
00105 <font class="comment">//===============================================================</font>
<a name="l00106"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#c1">00106</a> <font class="keywordtype">void</font> CSegRemanence::copyFromOther(CSegRemanence &amp;other)
00107 {
00108         <font class="keywordflow">if</font> (<font class="keyword">this</font> == &amp;other) <font class="keywordflow">return</font>;
00109         
00110         CAnimatedMaterial   *otherMat = other._AniMat != NULL ? <font class="keyword">new</font> CAnimatedMaterial(*other._AniMat)
00111                                                                                                                   : NULL;
00112         <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>;
00113         <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a> = otherMat;
00114 
00115         <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>        = other._Ribbons; <font class="comment">// sampled positions at each extremities of segment</font>
00116         <a class="code" href="classNL3D_1_1CSegRemanence.html#o1">_NumSlice</a>       = other._NumSlice;
00117         <a class="code" href="classNL3D_1_1CSegRemanence.html#o2">_NumCorners</a> = other._NumCorners;
00118         <a class="code" href="classNL3D_1_1CSegRemanence.html#o3">_Started</a>    = other._Started;
00119         <a class="code" href="classNL3D_1_1CSegRemanence.html#o5">_Restarted</a>  = other._Restarted;
00120         <a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a>   = other._Stopping;
00121         <a class="code" href="classNL3D_1_1CSegRemanence.html#o6">_StartDate</a>  = other._StartDate;
00122         <a class="code" href="classNL3D_1_1CSegRemanence.html#o7">_CurrDate</a>   = other._CurrDate;
00123         
00124 }
00125 
00126 <font class="comment">//===============================================================</font>
<a name="l00127"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#d0">00127</a> <font class="keywordtype">void</font> CSegRemanence::registerBasic()
00128 {
00129         CMOT::registerModel(<a class="code" href="namespaceNL3D.html#a457">SegRemanenceShapeId</a>, <a class="code" href="namespaceNL3D.html#a277">TransformShapeId</a>, CSegRemanence::creator);     
00130 <font class="comment">//      CMOT::registerObs (HrcTravId, SegRemanenceShapeId, CSegRemanenceHrcObs::creator);</font>
00131         CMOT::registerObs(<a class="code" href="namespaceNL3D.html#a3">AnimDetailTravId</a>, <a class="code" href="namespaceNL3D.html#a457">SegRemanenceShapeId</a>, CSegRemanenceAnimDetailObs::creator);
00132 }
00133 
00134 
00135 <font class="comment">//===============================================================</font>
<a name="l00136"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#a0">00136</a> <font class="keywordtype">void</font> CSegRemanence::render(IDriver *drv, CVertexBuffer &amp;vb, CPrimitiveBlock &amp;pb, CMaterial &amp;mat)
00137 {
00138         CSegRemanenceShape *srs = NLMISC::safe_cast&lt;CSegRemanenceShape *&gt;((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);            
00139         <font class="keyword">const</font> uint vertexSize = vb.getVertexSize();
00140         uint8 *datas = (uint8 *) vb.getVertexCoordPointer();
00141         uint numCorners = <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>.size();
00142         <font class="keywordflow">for</font>(uint k = 0; k &lt; numCorners; ++k)
00143         {
00144                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>[k].fillVB(datas, vertexSize, srs-&gt;getNumSlices(), srs-&gt;getSliceTime());
00145                 datas += (<a class="code" href="classNL3D_1_1CSegRemanence.html#o1">_NumSlice</a> + 1) * vertexSize;
00146         }       
00147         
00148         <font class="comment">// roll / unroll using texture matrix</font>
00149         CMatrix texMat; 
00150         texMat.setPos(<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(1.f - <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a>, 0, 0));
00151         <font class="keywordflow">if</font> (mat.getTexture(0) != NULL)
00152                 mat.setUserTexMat(0, texMat);
00153         
00154         
00155         
00156         drv-&gt;activeVertexBuffer(vb);    
00157         drv-&gt;render(pb, mat);
00158 
00159         CScene *scene = NLMISC::safe_cast&lt;ITravScene *&gt;(<a class="code" href="classNL3D_1_1CTransform.html#n0">_HrcObs</a>-&gt;Trav)-&gt;Scene;
00160         <font class="comment">// change unroll ratio</font>
00161         <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a>)
00162         {
00163                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> != 1.f)
00164                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(1.f, <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> + scene-&gt;getEllapsedTime() / (srs-&gt;getNumSlices() * srs-&gt;getSliceTime()));
00165         }
00166         <font class="keywordflow">else</font>
00167         {
00168                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> = std::max(0.f, <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> - srs-&gt;getRollupRatio() * scene-&gt;getEllapsedTime() / (srs-&gt;getNumSlices() * srs-&gt;getSliceTime()));
00169                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> == 0.f)
00170                 {
00171                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a> = <font class="keyword">false</font>;
00172                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o3">_Started</a> = <font class="keyword">false</font>;
00173                 }
00174         }
00175 }
00176 
00177 <font class="comment">//===============================================================</font>
<a name="l00178"></a><a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#a0">00178</a> CSegRemanence::CRibbon::CRibbon() : _LastSamplingDate(0)
00179 {
00180 }
00181 
00182 <font class="comment">//===============================================================</font>
<a name="l00183"></a><a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#a3">00183</a> <font class="keywordtype">void</font> CSegRemanence::CRibbon::fillVB(uint8 *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, uint nbSegs, <font class="keywordtype">float</font> sliceTime)
00184 {               
00185         TSampledPosVect::iterator currIt      = <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.begin();                        
00186 
00187         <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> t0 = (currIt + 1)-&gt;Pos - currIt-&gt;Pos;
00188         <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> t1 = 0.5f * ((currIt + 2)-&gt;Pos - currIt-&gt;Pos);
00189 
00190         uint leftToDo = nbSegs + 1;
00191 
00192         <font class="keywordtype">float</font> lambda = 0.f;
00193         <font class="keywordtype">float</font> lambdaStep = 1.f;
00194 
00195 <font class="comment">/*      nlinfo("===============================");</font>
00196 <font class="comment">        for(uint k = 0; k &lt; _Ribbon.size(); ++k)</font>
00197 <font class="comment">        {</font>
00198 <font class="comment">                nlinfo("pos = (%.2f, %.2f, %.2f)", _Ribbon[k].Pos.x, _Ribbon[k].Pos.y, _Ribbon[k].Pos.z);</font>
00199 <font class="comment">        }*/</font>
00200 
00201         <font class="keywordflow">for</font> (;;)
00202         {               
00203                 <font class="keywordtype">float</font> dt = currIt-&gt;SamplingDate - (currIt + 1)-&gt;SamplingDate;
00204 
00205                 <font class="keywordflow">if</font> (dt &lt; 10E-6f) <font class="comment">// we reached the start of ribbon</font>
00206                 {
00207 
00208                         <font class="keywordflow">do</font>
00209                         {
00210                                 (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;) *dest = currIt-&gt;Pos;
00211                                 dest  += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00212                         }
00213                         <font class="keywordflow">while</font> (--leftToDo);                     
00214                         <font class="keywordflow">return</font>;
00215                 }
00216 
00217                 <font class="keywordtype">float</font> newLambdaStep = sliceTime / dt;
00218                 <font class="comment">// readapt lambda</font>
00219                 lambda *= newLambdaStep / lambdaStep;
00220                 lambdaStep = newLambdaStep;
00221                 <font class="keywordflow">for</font>(;;)
00222                 {
00223                         <font class="keywordflow">if</font> (lambda &gt;= 1.f) <font class="keywordflow">break</font>;
00225                         <a class="code" href="namespaceNL3D.html#a450">BuildHermiteVector</a>(currIt-&gt;Pos, (currIt + 1)-&gt;Pos, t0, t1, (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;) *dest, lambda);
00226                         dest  += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00227                         -- leftToDo;
00228                         <font class="keywordflow">if</font> (!leftToDo) <font class="keywordflow">return</font>;                                                                                          
00229                         lambda += lambdaStep;                   
00230                 }
00231                 
00232                 lambda -= 1.f;
00233 
00234                 <font class="comment">// Start new segment and compute new tangents</font>
00235                 t0 = t1;
00236                 ++currIt;               
00237                 t1 = 0.5f * ((currIt + 2)-&gt;Pos - currIt-&gt;Pos);
00238         }        
00239 }
00240 
00241 <font class="comment">//===============================================================</font>
<a name="l00242"></a><a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#a4">00242</a> <font class="keywordtype">void</font> CSegRemanence::CRibbon::duplicateFirstPos()
00243 {
00244         uint ribSize = <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.size();
00245         <font class="keywordflow">for</font>(uint k = 1; k &lt; ribSize; ++k)
00246         {
00247                 <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>[k] = <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>[0];
00248         }
00249 }
00250 
00251 <font class="comment">//===============================================================</font>
<a name="l00252"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#a2">00252</a> <font class="keywordtype">void</font> CSegRemanence::setupFromShape()
00253 {
00254         CSegRemanenceShape *srs = NLMISC::safe_cast&lt;CSegRemanenceShape *&gt;((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);            
00255         <font class="keywordflow">if</font> (srs-&gt;getNumCorners() != <a class="code" href="classNL3D_1_1CSegRemanence.html#o2">_NumCorners</a> || srs-&gt;getNumSlices() != <a class="code" href="classNL3D_1_1CSegRemanence.html#o1">_NumSlice</a>)
00256         {
00257                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>.resize(srs-&gt;getNumCorners());
00258                 <font class="keywordflow">for</font>(uint k = 0; k &lt; <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>.size(); ++k)
00259                 {
00260                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>[k].setNumSlices(srs-&gt;getNumSlices());
00261                 }               
00262                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o2">_NumCorners</a> = srs-&gt;getNumCorners();
00263                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o1">_NumSlice</a>  = srs-&gt;getNumSlices();
00264         }
00265         <a class="code" href="classNL3D_1_1CSegRemanence.html#c0">updateOpacityFromShape</a>();
00266 }
00267 
00268 
00269 <font class="comment">//===============================================================</font>
<a name="l00270"></a><a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#a1">00270</a> <font class="keywordtype">void</font> CSegRemanence::CRibbon::setNumSlices(uint numSegs)
00271 {       
00272         <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.resize(numSegs + 3);
00273 }
00274 
00275 <font class="comment">//===============================================================</font>
<a name="l00276"></a><a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#a2">00276</a> <font class="keywordtype">void</font> CSegRemanence::CRibbon::samplePos(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;pos, <font class="keywordtype">float</font> date, <font class="keywordtype">float</font> sliceDuration)
00277 {
00278         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.size() != 0);
00279         <font class="keywordflow">if</font> (date - <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o1">_LastSamplingDate</a> &gt; sliceDuration)
00280         {
00281                 <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.pop_back();
00282                 CSampledPos sp(pos, date);
00283                 <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.push_front(sp);
00284                 <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o1">_LastSamplingDate</a> = date;
00285         }
00286         <font class="keywordflow">else</font>
00287         {
00288                 <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.front().Pos = pos;
00289                 <a class="code" href="classNL3D_1_1CSegRemanence_1_1CRibbon.html#o0">_Ribbon</a>.front().SamplingDate = date;
00290         }
00291 }
00292 
00293 <font class="comment">//===============================================================</font>
<a name="l00294"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#a1">00294</a> <font class="keywordtype">void</font> CSegRemanence::samplePos(<font class="keywordtype">float</font> date)
00295 {
00296         <font class="keywordflow">if</font> (_Started)
00297         {       
00298                 IBaseHrcObs *bho = (IBaseHrcObs *) <a class="code" href="classNL3D_1_1IModel.html#b3">getObs</a>(<a class="code" href="namespaceNL3D.html#a41">HrcTravId</a>);
00299                 CSegRemanenceShape *srs = NLMISC::safe_cast&lt;CSegRemanenceShape *&gt;((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00300                 uint numCorners = <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>.size();
00301                 <font class="keywordflow">for</font>(uint k = 0; k &lt; numCorners; ++k)
00302                 {               
00303                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>[k].samplePos(bho-&gt;WorldMatrix * srs-&gt;getCorner(k), date, srs-&gt;getSliceTime());
00304                 }
00305                 <font class="keywordflow">if</font> (_Restarted)
00306                 {
00307                         <font class="keywordflow">for</font>(uint k = 0; k &lt; numCorners; ++k)
00308                         {
00309                                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o0">_Ribbons</a>[k].duplicateFirstPos();
00310                         }
00311                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o5">_Restarted</a> = <font class="keyword">false</font>;
00312                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o6">_StartDate</a> = date;
00313                 }
00314                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o7">_CurrDate</a> = date;
00315         }
00316 }
00317 
00318 <font class="comment">//===============================================================</font>
00319 <font class="comment">/*</font>
00320 <font class="comment">void CSegRemanenceHrcObs::traverse(IObs *caller)</font>
00321 <font class="comment">{</font>
00322 <font class="comment">        CTransformHrcObs::traverse (caller);</font>
00323 <font class="comment">        CSegRemanence *sr = static_cast&lt;CSegRemanence *&gt;(this-&gt;Model);</font>
00324 <font class="comment">        if (sr-&gt;isStarted())</font>
00325 <font class="comment">        {       </font>
00326 <font class="comment">                CScene *scene = NLMISC::safe_cast&lt;ITravScene *&gt;(Trav)-&gt;Scene;</font>
00327 <font class="comment">                if (scene-&gt;getNumRender() != (_LastSampleFrame + 1))</font>
00328 <font class="comment">                {</font>
00329 <font class="comment">                        if (!sr-&gt;isStopping())</font>
00330 <font class="comment">                        {                       </font>
00331 <font class="comment">                                // if wasn't visible at previous frame, must invalidate position</font>
00332 <font class="comment">                                sr-&gt;restart();</font>
00333 <font class="comment">                        }</font>
00334 <font class="comment">                        else</font>
00335 <font class="comment">                        {</font>
00336 <font class="comment">                                // ribbon started unrolling when it disapperaed from screen so simply remove it</font>
00337 <font class="comment">                                sr-&gt;stopNoUnroll();</font>
00338 <font class="comment">                        }</font>
00339 <font class="comment">                }               </font>
00340 <font class="comment">                _LastSampleFrame = scene-&gt;getNumRender();</font>
00341 <font class="comment">                sr-&gt;setupFromShape();</font>
00342 <font class="comment">                sr-&gt;samplePos((float) scene-&gt;getCurrentTime());</font>
00343 <font class="comment">        }</font>
00344 <font class="comment">}</font>
00345 <font class="comment">*/</font>
00346 
00347 <font class="comment">/*</font>
00348 <font class="comment">//===============================================================</font>
00349 <font class="comment">CSegRemanenceHrcObs::CSegRemanenceHrcObs() : _LastSampleFrame(0)</font>
00350 <font class="comment">{       </font>
00351 <font class="comment">}</font>
00352 <font class="comment">*/</font>
00353 
00354 <font class="comment">//===============================================================</font>
<a name="l00355"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z788_1">00355</a> <font class="keywordtype">void</font> CSegRemanence::start()
00356 {
00357         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CSegRemanence.html#o3">_Started</a> &amp;&amp; !<a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a>) <font class="keywordflow">return</font>;
00358         <a class="code" href="classNL3D_1_1CSegRemanence.html#z788_6">restart</a>();              
00359 }
00360 
00361 <font class="comment">//===============================================================</font>
<a name="l00362"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z788_6">00362</a> <font class="keywordtype">void</font> CSegRemanence::restart()
00363 {
00364         CSegRemanenceShape *srs = NLMISC::safe_cast&lt;CSegRemanenceShape *&gt;((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);    
00365         <font class="keywordflow">if</font> (!srs-&gt;getTextureShifting())
00366         {       
00367                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> = 1.f;
00368         }
00369         <font class="keywordflow">else</font>
00370         {
00371                 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a>)
00372                         <a class="code" href="classNL3D_1_1CSegRemanence.html#o8">_UnrollRatio</a> = 0.f;
00373         }
00374         <a class="code" href="classNL3D_1_1CSegRemanence.html#o3">_Started</a> = <a class="code" href="classNL3D_1_1CSegRemanence.html#o5">_Restarted</a> = <font class="keyword">true</font>;
00375         <a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a> = <font class="keyword">false</font>;      
00376 }
00377 
00378 <font class="comment">//===============================================================</font>
<a name="l00379"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z788_2">00379</a> <font class="keywordtype">void</font> CSegRemanence::stop()
00380 {
00381         <a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a> = <font class="keyword">true</font>;
00382 }
00383 
00384 <font class="comment">//===============================================================</font>
<a name="l00385"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#z788_3">00385</a> <font class="keywordtype">void</font> CSegRemanence::stopNoUnroll()
00386 {
00387         <a class="code" href="classNL3D_1_1CSegRemanence.html#o3">_Started</a> = <a class="code" href="classNL3D_1_1CSegRemanence.html#o5">_Restarted</a> = <a class="code" href="classNL3D_1_1CSegRemanence.html#o4">_Stopping</a> = <font class="keyword">false</font>;
00388 }
00389 
00390 <font class="comment">//===============================================================</font>
<a name="l00391"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#c0">00391</a> <font class="keywordtype">void</font> CSegRemanence::updateOpacityFromShape()
00392 {
00393         CSegRemanenceShape *srs = NLMISC::safe_cast&lt;CSegRemanenceShape *&gt;((IShape *) <a class="code" href="classNL3D_1_1CTransformShape.html#m0">Shape</a>);
00394         <font class="keywordtype">bool</font> transparent = srs-&gt;getMaterial().getBlend();
00395         <a class="code" href="classNL3D_1_1CTransform.html#a0">setTransparency</a>(transparent);
00396         <a class="code" href="classNL3D_1_1CTransform.html#a1">setOpacity</a>(!transparent);
00397 }
00398 
00399 <font class="comment">//===============================================================</font>
<a name="l00400"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#a3">00400</a> <font class="keywordtype">void</font> CSegRemanence::setAnimatedMaterial(CAnimatedMaterial *mat)
00401 {
00402         <font class="keywordflow">if</font> (mat == <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>) <font class="keywordflow">return</font>;
00403         <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>;
00404         <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a> = mat;
00405         <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>-&gt;setFather(<font class="keyword">this</font>, <a class="code" href="classNL3D_1_1CSegRemanence.html#s2s0">OwnerBit</a>);
00406 }
00407 
00408 <font class="comment">//===============================================================</font>
<a name="l00409"></a><a class="code" href="classNL3D_1_1CSegRemanence.html#a5">00409</a> <font class="keywordtype">void</font> CSegRemanence::registerToChannelMixer(CChannelMixer *chanMixer, <font class="keyword">const</font> std::string &amp;prefix)
00410 {       
00411         CTransformShape::registerToChannelMixer(chanMixer, prefix);
00412         <font class="keywordflow">if</font> (_AniMat)
00413         {
00414                 <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>-&gt;registerToChannelMixer(chanMixer, prefix + <a class="code" href="classNL3D_1_1CSegRemanence.html#o9">_AniMat</a>-&gt;getMaterialName() + <font class="stringliteral">"."</font>)   ;
00415         }
00416 }
00417 
00418 <font class="comment">//===============================================================</font>
<a name="l00419"></a><a class="code" href="classNL3D_1_1CSegRemanenceAnimDetailObs.html#a1">00419</a> <font class="keywordtype">void</font> CSegRemanenceAnimDetailObs::traverse(IObs *caller)
00420 {
00421         CTransformAnimDetailObs::traverse(caller);
00422         CSegRemanence *sr = NLMISC::safe_cast&lt;CSegRemanence *&gt;(Model);
00423         <font class="keywordflow">if</font> (sr-&gt;isStarted())
00424         {       
00427 
00428                 CScene *scene = NLMISC::safe_cast&lt;ITravScene *&gt;(Trav)-&gt;Scene;
00429                 <font class="keywordflow">if</font> (scene-&gt;getNumRender() != (<a class="code" href="classNL3D_1_1CSegRemanenceAnimDetailObs.html#o0">_LastSampleFrame</a> + 1))
00430                 {
00431                         <font class="keywordflow">if</font> (!sr-&gt;isStopping())
00432                         {                       
00433                                 <font class="comment">// if wasn't visible at previous frame, must invalidate position</font>
00434                                 sr-&gt;restart();
00435                         }
00436                         <font class="keywordflow">else</font>
00437                         {
00438                                 <font class="comment">// ribbon started unrolling when it disapperaed from screen so simply remove it</font>
00439                                 sr-&gt;stopNoUnroll();
00440                         }
00441                 }               
00442                 <a class="code" href="classNL3D_1_1CSegRemanenceAnimDetailObs.html#o0">_LastSampleFrame</a> = scene-&gt;getNumRender();
00443                 sr-&gt;setupFromShape();
00444                 sr-&gt;samplePos((<font class="keywordtype">float</font>) scene-&gt;getCurrentTime());
00445 
00448 
00449         
00450                 <font class="comment">// test if animated material must be updated.</font>
00451                 <font class="keywordflow">if</font>(sr-&gt;IAnimatable::isTouched(CSegRemanence::OwnerBit))
00452                 {
00453                         <font class="keywordflow">if</font> (sr-&gt;getAnimatedMaterial())
00454                                 sr-&gt;getAnimatedMaterial()-&gt;update();                    
00455                         sr-&gt;clearAnimatedMatFlag();
00456                 }
00457         }
00458 }
00459 
<a name="l00460"></a><a class="code" href="classNL3D_1_1CSegRemanenceAnimDetailObs.html#a0">00460</a> CSegRemanenceAnimDetailObs::CSegRemanenceAnimDetailObs() : _LastSampleFrame(0)
00461 {       
00462 }
00463 
00464 
00465 
00466 }
</pre></div>

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