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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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 coloçr</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> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |