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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 <memory></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<CTextureMem> tex(<font class="keyword">new</font> CTextureMem((uint8 *) &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->setWrapS(ITexture::Clamp);
00051 tex->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> &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 > 1) f.serialEnum(_LOD);
00096 <font class="keywordflow">if</font> (ver3 > 2) f.serial(_Name);
00097 <font class="keywordflow">if</font> (ver3 > 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 >= 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 >> 1;
00127 <font class="keywordflow">if</font> (_NbSegs < 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->getMaxSize());
00134 initDateVect();
00135 resetFromOwner();
00136 }
00137
00138 <font class="keywordflow">if</font> (ver >= 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 >= 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> && <a class="code" href="classNL3D_1_1CPSTailDot.html#a1">hasTransparentFaces</a>())
00173 || (pass == <a class="code" href="namespaceNL3D.html#a484a169">PSSolidRender</a> && <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 &ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->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 < (1 << 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> < 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>->getOwner()->getSystemDate();
00238 uint8 *currVert;
00239 CVBnPB &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 &VB = VBnPB.VB;
00241 CPrimitiveBlock &PB = VBnPB.PB;
00242 <font class="keyword">const</font> uint32 vertexSize = VB.getVertexSize();
00243 uint colorOffset=0;
00244
00245 IDriver *drv = this-><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->activeVertexBuffer(VB);
00248 <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->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 &ps = *(_Owner->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>->makeN(this->_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 >> 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>->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 >> 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->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>->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 &CPSTailDot::getVBnPB()
00353 {
00355 <a class="code" href="classNL3D_1_1CPSTailDot.html#z738_0">TVBMap</a> &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->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 &VBnPB = map[<a class="code" href="classNL3D_1_1CPSRibbonBase.html#n3">_UsedNbSegs</a> + 1]; <font class="comment">// make an entry</font>
00366
00370 CVertexBuffer &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> && <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 &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 < numRibbonInVB; ++i)
00384 {
00385 <font class="keywordflow">for</font> (uint k = 0; k < (<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> && <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<ITexture></a> ptGradTexture;
00426
00427 CParticleSystem &ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->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 &ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>->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>
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