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<hr><h1>ps_tail_dot.cpp</h1><a href="ps__tail__dot_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="ps__tail__dot_8h.html">3d/ps_tail_dot.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="ps__macro_8h.html">3d/ps_macro.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="particle__system_8h.html">3d/particle_system.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="texture__mem_8h.html">3d/texture_mem.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="smart__ptr_8h.html">nel/misc/smart_ptr.h</a>"</font>
00034 
00035 <font class="preprocessor">#include &lt;memory&gt;</font>
00036 
00037 <font class="keyword">namespace </font>NL3D 
00038 {
00039 <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> <a class="code" href="namespaceNL3D.html#a214">GradientB2W</a>[] = {<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>(0, 0, 0, 0), <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>(255, 255, 255, 255) };
00040 
00042 <font class="keyword">static</font> ITexture *<a class="code" href="namespaceNL3D.html#a445">CreateGradientTexture</a>()
00043 {
00044         std::auto_ptr&lt;CTextureMem&gt; tex(<font class="keyword">new</font> CTextureMem((uint8 *) &amp;GradientB2W,
00045                                                                                                    <font class="keyword">sizeof</font>(GradientB2W),
00046                                                                                                    <font class="keyword">false</font>, <font class="comment">/* dont delete */</font>
00047                                                                                                    <font class="keyword">false</font>, <font class="comment">/* not a file */</font>
00048                                                                                                    2, 1)
00049                                                                   );
00050         tex-&gt;setWrapS(ITexture::Clamp);
00051         tex-&gt;setShareName(<font class="stringliteral">"#GradBW"</font>);
00052         <font class="keywordflow">return</font> tex.release();
00053 }
00054 
00055 
00057 <font class="comment">// CPSTailDot implementation //</font>
00059 <font class="comment"></font>
<a name="l00060"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z738_3">00060</a> CPSTailDot::TVBMap                      CPSTailDot::_VBMap;                       <font class="comment">// index / vertex buffers with no color</font>
<a name="l00061"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z738_4">00061</a> CPSTailDot::TVBMap                      CPSTailDot::_FadedVBMap;          <font class="comment">// index / vertex buffers for constant color with fading</font>
<a name="l00062"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z738_5">00062</a> CPSTailDot::TVBMap                      CPSTailDot::_ColoredVBMap;    <font class="comment">// index / vertex buffer + colors</font>
<a name="l00063"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z738_6">00063</a> CPSTailDot::TVBMap                      CPSTailDot::_FadedColoredVBMap;    <font class="comment">// index / vertex buffer + faded colors</font>
00064 
00065 <font class="comment">//=======================================================       </font>
<a name="l00066"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z736_0">00066</a> CPSTailDot::CPSTailDot() : _ColorFading(false), _GlobalColor(false), _Touch(true)
00067 {
00068         <a class="code" href="classNL3D_1_1CPSRibbonBase.html#z729_2">setInterpolationMode</a>(<a class="code" href="classNL3D_1_1CPSRibbonBase.html#s7s3">Linear</a>);
00069         <a class="code" href="classNL3D_1_1CPSRibbonBase.html#z730_2">setSegDuration</a>(0.06f);
00070         <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n3">_Name</a> = std::string(<font class="stringliteral">"TailDot"</font>);
00071 }
00072 
00073 <font class="comment">//=======================================================       </font>
<a name="l00074"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z736_1">00074</a> CPSTailDot::~CPSTailDot()
00075 {
00076 <font class="comment">//      delete _DyingRibbons;</font>
00077 }
00078 
00079 <font class="comment">//=======================================================       </font>
<a name="l00080"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z736_2">00080</a> <font class="keywordtype">void</font> CPSTailDot::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00081 {
00082 
00083         sint ver = f.serialVersion(3);
00084         <font class="keywordflow">if</font> (ver == 1)
00085         {
00086                 <a class="code" href="debug_8h.html#a6">nlassert</a>(f.isReading());
00087 
00090                 sint ver2 = f.serialVersion(2);
00091 
00092                 <font class="comment">// here is CPSLocatedBindable::serial(f)</font>
00093                 sint ver3 = f.serialVersion(4);
00094                 f.serialPtr(_Owner);
00095                 <font class="keywordflow">if</font> (ver3 &gt; 1) f.serialEnum(_LOD);
00096                 <font class="keywordflow">if</font> (ver3 &gt; 2) f.serial(_Name);
00097                 <font class="keywordflow">if</font> (ver3 &gt; 3) 
00098                 {
00099                         <font class="keywordflow">if</font> (f.isReading())
00100                         {
00101                                 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>;
00102                                 f.serial(<a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>);
00103                                 setExternID(<a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>);
00104                         }
00105                         <font class="keywordflow">else</font>
00106                         {
00107                                 f.serial(_ExternID);
00108                         }
00109                 }
00110 
00111                 <font class="keywordflow">if</font> (ver2 &gt;= 2)
00112                 {
00113                         <font class="keywordtype">bool</font> bDisableAutoLOD;
00114                         f.serial(bDisableAutoLOD);
00115                         disableAutoLOD(bDisableAutoLOD);
00116                 }
00117 
00118                 uint32 tailNbSegs;
00119                 <font class="keywordtype">bool</font>   colorFading;
00120                 <font class="keywordtype">bool</font>   systemBasisEnabled;
00121 
00122                 CPSColoredParticle::serialColorScheme(f);       
00123                 f.serial(tailNbSegs, colorFading, systemBasisEnabled);          
00124 
00125                 _ColorFading = colorFading;
00126                 _NbSegs = tailNbSegs &gt;&gt; 1;
00127                 <font class="keywordflow">if</font> (_NbSegs &lt; 2) _NbSegs = 2;
00128                 setInterpolationMode(Linear);   
00129                 serialMaterial(f);
00130 
00131 
00132                 <a class="code" href="debug_8h.html#a6">nlassert</a>(_Owner);
00133                 resize(_Owner-&gt;getMaxSize());
00134                 initDateVect();         
00135                 resetFromOwner();
00136         }
00137 
00138         <font class="keywordflow">if</font> (ver &gt;= 2)
00139         {
00140                 CPSRibbonBase::serial(f);
00141                 CPSColoredParticle::serialColorScheme(f);
00142                 CPSMaterial::serialMaterial(f);
00143                 <font class="keywordtype">bool</font> colorFading = _ColorFading;
00144                 f.serial(colorFading);
00145                 _ColorFading = colorFading;
00146                 <font class="keywordflow">if</font> (ver &gt;= 3)
00147                 {
00148                         uint32 tailNbSegs = _NbSegs;
00149                         f.serial(tailNbSegs);
00150                 }
00151                 <font class="keywordflow">if</font> (f.isReading())
00152                 {
00153                         setTailNbSeg(_NbSegs);
00154                         touch();
00155                 }
00156         }       
00157 }
00158 
00159 
00160 <font class="comment">//=======================================================       </font>
<a name="l00161"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#a0">00161</a> <font class="keywordtype">void</font> CPSTailDot::step(<a class="code" href="namespaceNL3D.html#a484">TPSProcessPass</a> pass, <a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> ellapsedTime, <a class="code" href="namespaceNL3D.html#a1">TAnimationTime</a> realEt)
00162 {       
00163         <font class="keywordflow">if</font> (pass == <a class="code" href="namespaceNL3D.html#a484a168">PSMotion</a>)
00164         {       
00165                 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n2">_Parametric</a>)
00166                 {
00167                         <a class="code" href="classNL3D_1_1CPSRibbonBase.html#b5">updateGlobals</a>();
00168                 }
00169         }
00170         <font class="keywordflow">else</font>
00171         <font class="keywordflow">if</font> (
00172                 (pass == <a class="code" href="namespaceNL3D.html#a484a170">PSBlendRender</a> &amp;&amp; <a class="code" href="classNL3D_1_1CPSTailDot.html#a1">hasTransparentFaces</a>())
00173                 || (pass == <a class="code" href="namespaceNL3D.html#a484a169">PSSolidRender</a> &amp;&amp; <a class="code" href="classNL3D_1_1CPSTailDot.html#a2">hasOpaqueFaces</a>())
00174                 )
00175         {
00176                 uint32 <a class="code" href="classNL3D_1_1CPSTailDot.html#a0">step</a>;
00177                 uint   numToProcess;
00178                 <a class="code" href="classNL3D_1_1CPSParticle.html#b4">computeSrcStep</a>(<a class="code" href="classNL3D_1_1CPSTailDot.html#a0">step</a>, numToProcess);     
00179                 <font class="keywordflow">if</font> (!numToProcess) <font class="keywordflow">return</font>;
00180                 
00182                 CParticleSystem &amp;ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getOwner());    
00183                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setColor(ps.getGlobalColor());
00184                 
00189                 <a class="code" href="classNL3D_1_1CPSTailDot.html#c1">displayRibbons</a>(numToProcess, <a class="code" href="classNL3D_1_1CPSTailDot.html#a0">step</a>);
00190 
00191         }
00192         <font class="keywordflow">else</font> 
00193         <font class="keywordflow">if</font> (pass == <a class="code" href="namespaceNL3D.html#a484a171">PSToolRender</a>) <font class="comment">// edition mode only</font>
00194         {                       
00195                 <font class="comment">//showTool();</font>
00196         }       
00197 }
00198 
00199 
00200 <font class="comment">//=======================================================       </font>
<a name="l00201"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#b0">00201</a> <font class="keywordtype">void</font> CPSTailDot::newElement(CPSLocated *emitterLocated, uint32 emitterIndex)
00202 {
00203         CPSRibbonBase::newElement(emitterLocated, emitterIndex);
00204         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#b2">newColorElement</a>(emitterLocated, emitterIndex);  
00205 }
00206 
00207 
00208 <font class="comment">//=======================================================       </font>
<a name="l00209"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#b1">00209</a> <font class="keywordtype">void</font> CPSTailDot::deleteElement(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)
00210 {
00211         CPSRibbonBase::deleteElement(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00212         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#b3">deleteColorElement</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);      
00213 }
00214 
00215 
00216 <font class="comment">//=======================================================       </font>
<a name="l00217"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#b2">00217</a> <font class="keywordtype">void</font> CPSTailDot::resize(uint32 size)
00218 {
00219         <a class="code" href="debug_8h.html#a6">nlassert</a>(size &lt; (1 &lt;&lt; 16));
00220         CPSRibbonBase::resize(size);    
00221         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#b4">resizeColor</a>(size);      
00222 }
00223 
00224 <font class="comment">//=======================================================       </font>
<a name="l00225"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#c0">00225</a> <font class="keywordtype">void</font> CPSTailDot::updateMatAndVbForColor(<font class="keywordtype">void</font>)
00226 {
00227         <a class="code" href="classNL3D_1_1CPSTailDot.html#c2">touch</a>();
00228 }
00229 
00230 <font class="comment">//==========================================================================    </font>
<a name="l00231"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#c1">00231</a> <font class="keywordtype">void</font> CPSTailDot::displayRibbons(uint32 nbRibbons, uint32 srcStep)
00232 {       
00233         <font class="keywordflow">if</font> (!nbRibbons) <font class="keywordflow">return</font>;
00234         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);       
00235         CPSRibbonBase::updateLOD();
00236         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> &lt; 2) <font class="keywordflow">return</font>;
00237         <font class="keyword">const</font> <font class="keywordtype">float</font> date = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getOwner()-&gt;getSystemDate();
00238         uint8                                           *currVert;
00239         CVBnPB                                          &amp;VBnPB = <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_1">getVBnPB</a>(); <font class="comment">// get the appropriate vb (built it if needed)</font>
00240         CVertexBuffer                           &amp;VB = VBnPB.VB;
00241         CPrimitiveBlock                         &amp;PB = VBnPB.PB;
00242         <font class="keyword">const</font> uint32                            vertexSize  = VB.getVertexSize();
00243         uint                                            colorOffset=0;  
00244         
00245         IDriver *drv = this-&gt;<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>();
00246         <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a21">setupDriverModelMatrix</a>();
00247         drv-&gt;activeVertexBuffer(VB);
00248         <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;incrementNbDrawnParticles(nbRibbons); <font class="comment">// for benchmark purpose          </font>
00249         <font class="keyword">const</font> uint numRibbonBatch = <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_2">getNumRibbonsInVB</a>(); <font class="comment">// number of ribons to process at once         </font>
00250         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> == 0) <font class="keywordflow">return</font>;
00251 
00253         <font class="comment">// Material setup //</font>
00255 <font class="comment">                CParticleSystem &amp;ps = *(_Owner-&gt;getOwner());</font>
00256                 <font class="keywordtype">bool</font> useGlobalColor = ps.getColorAttenuationScheme() != NULL;
00257                 <font class="keywordflow">if</font> (useGlobalColor != <a class="code" href="classNL3D_1_1CPSTailDot.html#o1">_GlobalColor</a>)
00258                 {
00259                         <a class="code" href="classNL3D_1_1CPSTailDot.html#c2">touch</a>();
00260                 }
00261                 <a class="code" href="classNL3D_1_1CPSTailDot.html#c3">updateMaterial</a>();
00262                 <a class="code" href="classNL3D_1_1CPSTailDot.html#c4">setupGlobalColor</a>();
00263                 <font class="comment">//</font>
00264                 <font class="keywordflow">if</font> (_ColorScheme)
00265                 {
00266                         colorOffset = VB.getColorOff(); 
00267                 }       
00268 
00270         <font class="comment">// Compute ribbons //</font>
00272 <font class="comment">        </font>
00273         uint toProcess;
00274         uint ribbonIndex = 0; <font class="comment">// index of the first ribbon in the batch being processed </font>
00275         uint32 fpRibbonIndex = 0; <font class="comment">// fixed point index in source</font>
00276         <font class="keywordflow">do</font>
00277         {
00278                 toProcess = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>((uint) (nbRibbons - ribbonIndex) <font class="comment">/* = left to do */</font>, numRibbonBatch);
00279                 currVert = (uint8 *) VB.getVertexCoordPointer();
00280                         
00282                 <font class="keywordflow">if</font> (_ColorScheme)
00283                 {                       
00284                         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a>-&gt;makeN(this-&gt;_Owner, ribbonIndex, currVert + colorOffset, vertexSize, toProcess, <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1, srcStep);                        
00285                 }                       
00286                 uint k = toProcess;
00288                 <font class="comment">// interpolate and project points the result is directly setup in the vertex buffer //</font>
00290 <font class="comment">                if (!_Parametric)</font>
00291                 {
00292 
00294                         <font class="comment">// INCREMENTAL CASE //</font>
00296 <font class="comment">                        do</font>
00297                         {
00298                                 <font class="comment">// the parent class has a method to get the ribbons positions</font>
00299                                 <a class="code" href="classNL3D_1_1CPSRibbonBase.html#b4">computeRibbon</a>((uint) (fpRibbonIndex &gt;&gt; 16), (CVector *) currVert, vertexSize);
00300                                 currVert += vertexSize * (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1);
00301                                 fpRibbonIndex += srcStep;
00302                         }
00303                         <font class="keywordflow">while</font> (--k);                    
00304                 }
00305                 <font class="keywordflow">else</font>
00306                 {
00308                         <font class="comment">// PARAMETRIC  CASE //</font>
00310 <font class="comment">                        do</font>
00311                         {
00312                                 <font class="comment">// we compute each pos thanks to the parametric curve                           </font>
00313                                 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;integrateSingle(date - <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n4">_UsedSegDuration</a> * (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1), <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n4">_UsedSegDuration</a>, <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1, (uint) (fpRibbonIndex &gt;&gt; 16),
00314                                                                                 (<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> *) currVert, vertexSize);
00315                                 currVert += vertexSize * (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1);
00316                                 fpRibbonIndex += srcStep;
00317                         }
00318                         <font class="keywordflow">while</font> (--k);
00319                         
00320                 }                                                                                                                                                               
00321                 PB.setNumLine(<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> * toProcess);
00322                 <font class="comment">// display the result</font>
00323                 drv-&gt;render(PB, <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>);
00324                 ribbonIndex += toProcess;               
00325         }
00326         <font class="keywordflow">while</font> (ribbonIndex != nbRibbons);
00327 }       
00328 
00329 <font class="comment">//==========================================================================    </font>
<a name="l00330"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#a1">00330</a> <font class="keywordtype">bool</font> CPSTailDot::hasTransparentFaces(<font class="keywordtype">void</font>)
00331 {
00332         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSMaterial.html#a3">getBlendingMode</a>() != CPSMaterial::alphaTest ;
00333 }
00334 
00335 
00336 <font class="comment">//==========================================================================    </font>
<a name="l00337"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#a2">00337</a> <font class="keywordtype">bool</font> CPSTailDot::hasOpaqueFaces(<font class="keywordtype">void</font>)
00338 {
00339         <font class="keywordflow">return</font> !<a class="code" href="classNL3D_1_1CPSTailDot.html#a1">hasTransparentFaces</a>();
00340 }
00341 
00342 <font class="comment">//==========================================================================    </font>
<a name="l00343"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#a3">00343</a> uint32 CPSTailDot::getMaxNumFaces(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00344 <font class="keyword"></font>{
00345         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);
00346         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getMaxSize() * <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n0">_NbSegs</a>;  
00347 }
00348 
00349 
00350 
00351 <font class="comment">//==========================================================================    </font>
<a name="l00352"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z738_1">00352</a> CPSTailDot::CVBnPB &amp;CPSTailDot::getVBnPB()
00353 {
00355         <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_0">TVBMap</a> &amp;map = <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a> ? (<a class="code" href="classNL3D_1_1CPSTailDot.html#o0">_ColorFading</a> ? <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_6">_FadedColoredVBMap</a> : <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_5">_ColoredVBMap</a>)                <font class="comment">// per ribbon colo�r</font>
00356                                                            : (<a class="code" href="classNL3D_1_1CPSTailDot.html#o0">_ColorFading</a> ? <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_4">_FadedVBMap</a> : <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_3">_VBMap</a>);     <font class="comment">// global color</font>
00357         TVBMap::iterator it = map.find(<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1);
00358         <font class="keywordflow">if</font> (it != map.end())
00359         {
00360                 <font class="keywordflow">return</font> it-&gt;second;
00361         }
00362         <font class="keywordflow">else</font>    <font class="comment">// must create this vb, with few different size, it is still interseting, though they are only destroyed at exit</font>
00363         {
00364                 <font class="keyword">const</font> uint numRibbonInVB = <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_2">getNumRibbonsInVB</a>();
00365                 CVBnPB &amp;VBnPB = map[<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1]; <font class="comment">// make an entry</font>
00366 
00370                 CVertexBuffer &amp;vb = VBnPB.VB;
00371                 vb.setVertexFormat(CVertexBuffer::PositionFlag  
00372                                                    |(<a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a> || <a class="code" href="classNL3D_1_1CPSTailDot.html#o0">_ColorFading</a> ? CVertexBuffer::PrimaryColorFlag : 0)
00373                                                    | (<a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a> &amp;&amp; <a class="code" href="classNL3D_1_1CPSTailDot.html#o0">_ColorFading</a> ? CVertexBuffer::TexCoord0Flag : 0));
00374 
00375                 vb.setNumVertices((<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1) * numRibbonInVB ); <font class="comment">// 1 seg = 1 line + terminal vertices</font>
00376 
00377                 <font class="comment">// set the primitive block size</font>
00378                 CPrimitiveBlock &amp;pb = VBnPB.PB;
00379                 pb.setNumLine(<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> * numRibbonInVB);
00381                 uint vbIndex = 0;
00382                 uint pbIndex = 0; 
00383                 <font class="keywordflow">for</font> (uint i = 0; i &lt; numRibbonInVB; ++i)
00384                 {
00385                         <font class="keywordflow">for</font> (uint k = 0; k &lt; (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1); ++k)
00386                         {                                                               
00387                                 
00388                                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a> &amp;&amp; <a class="code" href="classNL3D_1_1CPSTailDot.html#o0">_ColorFading</a>)
00389                                 {
00390                                         vb.setTexCoord(vbIndex, 0, 0.5f - 0.5f * ((<font class="keywordtype">float</font>) k / <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a>), 0);
00391                                 }
00392                                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (_ColorFading)
00393                                 {
00394                                         uint8 intensity = (uint8) (255 * (1.f - ((float) k / <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a>)));
00395                                         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> col(intensity, intensity, intensity, intensity);
00396                                         vb.setColor(vbIndex, col);                                              
00397                                 }
00398                                         
00400                                 <font class="keywordflow">if</font> (k != <a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a>)
00401                                 {                                       
00402                                         pb.setLine(pbIndex ++, vbIndex, vbIndex + 1);                                   
00403                                 }                               
00404                                 ++vbIndex;
00405                         }
00406                 }
00407                 <font class="keywordflow">return</font> VBnPB;
00408         }
00409 }
00410 
00411 <font class="comment">//==========================================================================    </font>
<a name="l00412"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#z738_2">00412</a> uint    CPSTailDot::getNumRibbonsInVB()<font class="keyword"> const</font>
00413 <font class="keyword"></font>{
00415         <font class="keyword">const</font> uint vertexInVB = 256;    
00416         <font class="keywordflow">return</font> std::max(1u, (uint) (vertexInVB / (<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1)));
00417 }
00418 
00419 
00420 <font class="comment">//==========================================================================    </font>
<a name="l00421"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#c3">00421</a> <font class="keywordtype">void</font>    CPSTailDot::updateMaterial()
00422 {
00423         <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSTailDot.html#o2">_Touch</a>) <font class="keywordflow">return</font>;
00424 
00425         <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CRefPtr.html">NLMISC::CRefPtr&lt;ITexture&gt;</a> ptGradTexture;
00426 
00427         CParticleSystem &amp;ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getOwner());
00428         <font class="keywordflow">if</font> (_ColorScheme)
00429         {       <font class="comment">// PER RIBBON COLOR</font>
00430                 <font class="keywordflow">if</font> (ps.getColorAttenuationScheme())
00431                 {
00432                         <font class="keywordflow">if</font> (_ColorFading) <font class="comment">// global color + fading + per ribbon color</font>
00433                         {
00434                                 <font class="comment">// the first stage is used to get fading * global color</font>
00435                                 <font class="comment">// the second stage multiply the result by the diffuse colot</font>
00436                                 <font class="keywordflow">if</font> (ptGradTexture == NULL) <font class="comment">// have we got a gradient texture ?</font>
00437                                 {
00438                                         ptGradTexture = <a class="code" href="namespaceNL3D.html#a445">CreateGradientTexture</a>();
00439                                 }
00440                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setTexture(0, ptGradTexture);
00441                                 CPSMaterial::forceTexturedMaterialStages(2); <font class="comment">// use constant color 0 * diffuse, 1 stage needed                          </font>
00442                                 <a class="code" href="namespaceNL3D.html#a439">SetupModulatedStage</a>(<a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>, 0, CMaterial::Texture, CMaterial::Constant);
00443                                 <a class="code" href="namespaceNL3D.html#a439">SetupModulatedStage</a>(<a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>, 1, CMaterial::Previous, CMaterial::Diffuse);
00444                         }
00445                         <font class="keywordflow">else</font> <font class="comment">// per ribbon color with global color </font>
00446                         {
00447                                 CPSMaterial::forceTexturedMaterialStages(1); <font class="comment">// use constant color 0 * diffuse, 1 stage needed                          </font>
00448                                 <a class="code" href="namespaceNL3D.html#a439">SetupModulatedStage</a>(<a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>, 0, CMaterial::Diffuse, CMaterial::Constant);
00449                         }
00450                 }
00451                 <font class="keywordflow">else</font>
00452                 {       
00453                         <font class="keywordflow">if</font> (_ColorFading) <font class="comment">// per ribbon color, fading</font>
00454                         {                               
00455                                 <font class="keywordflow">if</font> (ptGradTexture == NULL) <font class="comment">// have we got a gradient texture ?</font>
00456                                 {
00457                                         ptGradTexture = <a class="code" href="namespaceNL3D.html#a445">CreateGradientTexture</a>();
00458                                 }
00459                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setTexture(0, ptGradTexture);
00460                                 CPSMaterial::forceTexturedMaterialStages(1);
00461                                 <a class="code" href="namespaceNL3D.html#a439">SetupModulatedStage</a>(<a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>, 0, CMaterial::Texture, CMaterial::Diffuse);
00462                         }
00463                         <font class="keywordflow">else</font> <font class="comment">// per color ribbon with no fading, and no global color</font>
00464                         {
00465                                 CPSMaterial::forceTexturedMaterialStages(0); <font class="comment">// no texture use constant diffuse only</font>
00466                         }
00467                 }
00468         }
00469         <font class="keywordflow">else</font> <font class="comment">// GLOBAL COLOR</font>
00470         {               
00471                 <font class="keywordflow">if</font> (_ColorFading)
00472                 {
00473                         CPSMaterial::forceTexturedMaterialStages(1); <font class="comment">// use constant color 0 * diffuse, 1 stage needed</font>
00474                         <a class="code" href="namespaceNL3D.html#a439">SetupModulatedStage</a>(<a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>, 0, CMaterial::Diffuse, CMaterial::Constant);
00475                 }
00476                 <font class="keywordflow">else</font> <font class="comment">// constant color</font>
00477                 {
00478                         CPSMaterial::forceTexturedMaterialStages(0); <font class="comment">// no texture use constant diffuse only                    </font>
00479                 }               
00480         }
00481 
00482         <a class="code" href="classNL3D_1_1CPSTailDot.html#o2">_Touch</a> = <font class="keyword">false</font>;
00483 }
00484 
00485 <font class="comment">//==========================================================================    </font>
<a name="l00486"></a><a class="code" href="classNL3D_1_1CPSTailDot.html#c4">00486</a> <font class="keywordtype">void</font>    CPSTailDot::setupGlobalColor()
00487 {       
00489         CParticleSystem &amp;ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getOwner());    
00490         <font class="keywordflow">if</font> (_ColorScheme)
00491         {       
00492                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.texConstantColor(0, ps.getGlobalColor());                                  
00493         }
00494         <font class="keywordflow">else</font> <font class="comment">// GLOBAL COLOR with / without fading</font>
00495         {
00496                 <font class="keywordflow">if</font> (ps.getColorAttenuationScheme())
00497                 {                       
00498                         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> col;
00499                         col.<a class="code" href="classNLMISC_1_1CRGBA.html#a9">modulateFromColor</a>(ps.getGlobalColor(), <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n0">_Color</a>);
00500                         <font class="keywordflow">if</font> (_ColorFading)
00501                         {                                                               
00502                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.texConstantColor(0, col);                          
00503                         }
00504                         <font class="keywordflow">else</font> <font class="comment">// color attenuation, no fading : </font>
00505                         {                                                       
00506                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setColor(col);
00507                         }
00508                 }
00509                 <font class="keywordflow">else</font>
00510                 {
00511                         <font class="keywordflow">if</font> (_ColorFading)
00512                         {
00513                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.texConstantColor(0, <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n0">_Color</a>);                               
00514                         }
00515                         <font class="keywordflow">else</font> <font class="comment">// constant color</font>
00516                         {
00517                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setColor(<a class="code" href="classNL3D_1_1CPSColoredParticle.html#n0">_Color</a>);
00518                         }
00519                 }
00520         }
00521 }
00522 
00523 
00524 
00525 
00526 } <font class="comment">// NL3D</font>
</pre></div>

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