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<hr><h1>ps_dot.cpp</h1><a href="ps__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__dot_8h.html">3d/ps_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="ps__iterator_8h.html">3d/ps_iterator.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="driver_8h.html">3d/driver.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="particle__system_8h.html">3d/particle_system.h</a>"</font>
00033 
00034 
00035 <font class="keyword">namespace </font>NL3D 
00036 {
00037 
00038 <font class="keyword">static</font> <font class="keyword">const</font> uint dotBufSize = 1024; <font class="comment">// size used for point particles batching</font>
00039 
00040 
00042 <font class="comment">// CPSDot implementation //</font>
00044 <font class="comment"></font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CPSDot.html#q0">00046</a> <font class="comment">CVertexBuffer CPSDot::_DotVb;</font>
<a name="l00047"></a><a class="code" href="classNL3D_1_1CPSDot.html#q1">00047</a> CVertexBuffer CPSDot::_DotVbColor;
00048 
00049 
00051 <font class="keyword">template</font> &lt;<font class="keyword">class</font> T&gt;
00052 <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a418">DrawDot</a>(T it,
00053                                         CVertexBuffer &amp;vb,
00054                                         <font class="keyword">const</font> CPSAttribMaker&lt;NLMISC::CRGBA&gt; *colorScheme,
00055                                         uint leftToDo,
00056                                         CPSLocated *owner,
00057                                         CMaterial &amp;mat,
00058                                         IDriver *driver,
00059                                         uint32 srcStep
00060                                    )
00061 {       
00062         <a class="code" href="debug_8h.html#a6">nlassert</a>(leftToDo != 0);
00063         <font class="keyword">const</font> uint total = leftToDo;
00064         T itEnd;
00065         <font class="keywordflow">do</font>
00066         {               
00067                 uint toProcess = leftToDo &lt; dotBufSize ? leftToDo : dotBufSize;
00068 
00069                 <font class="keywordflow">if</font> (colorScheme)
00070                 {
00071                         <font class="comment">// compute the colors</font>
00072                         colorScheme-&gt;make(owner,
00073                                                           total - leftToDo,
00074                                                           vb.getColorPointer(),
00075                                                           vb.getVertexSize(),
00076                                                           toProcess,
00077                                                           <font class="keyword">false</font>,
00078                                                           srcStep
00079                                                          );
00080 
00081                         itEnd = it + toProcess;                 
00082                         uint8    *currPos = (uint8 *) vb.getVertexCoordPointer();       
00083                         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> = vb.getVertexSize();
00084                         <font class="keywordflow">do</font>
00085                         {
00086                                 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currPos);
00087                                 *((CVector *) currPos) =  *it;  
00088                                 ++it ;
00089                                 currPos += <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>;
00090                         }
00091                         <font class="keywordflow">while</font> (it != itEnd);
00092                 }
00093                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (srcStep == (1 &lt;&lt; 16)) <font class="comment">// make sure we haven't got auto-lod and that the step is 1.0</font>
00094                 {
00095                         <font class="comment">// there's no color information in the buffer, so we can copy it directly</font>
00096                         ::memcpy(vb.getVertexCoordPointer(), &amp;(*it), <font class="keyword">sizeof</font>(NLMISC::CVector) * toProcess);
00097                         it += toProcess;
00098                 }
00099                 <font class="keywordflow">else</font>
00100                 {
00101                         itEnd = it + toProcess;                 
00102                         uint8    *currPos = (uint8 *) vb.getVertexCoordPointer();                               
00103                         <font class="keywordflow">do</font>
00104                         {
00105                                 <a class="code" href="ps__macro_8h.html#a0">CHECK_VERTEX_BUFFER</a>(vb, currPos);
00106                                 *((CVector *) currPos) =  *it;                          
00107                                 ++it ;
00108                                 currPos += <font class="keyword">sizeof</font>(<font class="keywordtype">float</font>[3]);
00109                         }
00110                         <font class="keywordflow">while</font> (it != itEnd);
00111                 }
00112                                 
00113                 driver-&gt;renderPoints(mat, toProcess);
00114 
00115                 leftToDo -= toProcess;
00116         }
00117         <font class="keywordflow">while</font> (leftToDo);
00118 }
00119 
00120 
<a name="l00122"></a><a class="code" href="classNL3D_1_1CPSDot.html#b0">00122</a> <font class="keywordtype">void</font> CPSDot::draw(<font class="keywordtype">bool</font> opaque)
00123 {       
00124         PARTICLES_CHECK_MEM;    
00125         <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getSize()) <font class="keywordflow">return</font>; 
00126 
00127         uint32 <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>;
00128         uint   numToProcess;
00129         <a class="code" href="classNL3D_1_1CPSParticle.html#b4">computeSrcStep</a>(<a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>, numToProcess);     
00130         <font class="keywordflow">if</font> (!numToProcess) <font class="keywordflow">return</font>;
00131 
00132         <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;incrementNbDrawnParticles(numToProcess); <font class="comment">// for benchmark purpose               </font>
00133         <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a21">setupDriverModelMatrix</a>();       
00134         IDriver *driver = <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#a10">getDriver</a>();
00135         CVertexBuffer &amp;vb = <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a> ? <a class="code" href="classNL3D_1_1CPSDot.html#q1">_DotVbColor</a> : <a class="code" href="classNL3D_1_1CPSDot.html#q0">_DotVb</a>;
00136         driver-&gt;activeVertexBuffer(vb);
00137 
00138 
00140         CParticleSystem &amp;ps = *(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getOwner());
00141         <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a>)
00142         {
00143                 <font class="keywordflow">if</font> (ps.getColorAttenuationScheme() == NULL)
00144                 {
00145                         <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setColor(<a class="code" href="classNL3D_1_1CPSColoredParticle.html#n0">_Color</a>);
00146                 }
00147                 <font class="keywordflow">else</font>
00148                 {                       
00149                         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> col;
00150                         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>);
00151                         <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setColor(col);
00152                 }
00153                 <a class="code" href="classNL3D_1_1CPSMaterial.html#a5">forceTexturedMaterialStages</a>(0);
00154         }
00155         <font class="keywordflow">else</font>
00156         {                       
00157                 <a class="code" href="classNL3D_1_1CPSMaterial.html#a5">forceTexturedMaterialStages</a>(1);
00158                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.texConstantColor(0, ps.getGlobalColor());
00159                 <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);
00160         }
00162 
00163 
00164 
00165         <font class="comment">// Use the right drawing routine (auto-lod and non auto-lod)</font>
00166         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a> == (1 &lt;&lt; 16))
00167         {
00168                 <a class="code" href="namespaceNL3D.html#a418">DrawDot</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getPos().begin(),
00169                                 vb,
00170                                 <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a>,                       
00171                                 numToProcess,
00172                             <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>,
00173                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>,
00174                                 driver,
00175                                 <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>
00176                            );
00177         }
00178         <font class="keywordflow">else</font>
00179         {               
00180                 <a class="code" href="namespaceNL3D.html#a418">DrawDot</a>(<a class="code" href="namespaceNL3D.html#a199">TIteratorVectStep1616</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getPos().begin(), 0, <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>),
00181                                 vb,
00182                                 <a class="code" href="classNL3D_1_1CPSColoredParticle.html#n1">_ColorScheme</a>,                       
00183                                 numToProcess,
00184                             <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>,
00185                                 <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>,
00186                                 driver,
00187                                 <a class="code" href="classNL3D_1_1CPSParticle.html#a4">step</a>
00188                            );
00189         }
00190         
00191         PARTICLES_CHECK_MEM;
00192 }
00193 
00194 
<a name="l00197"></a><a class="code" href="classNL3D_1_1CPSDot.html#d0">00197</a> <font class="keywordtype">void</font> CPSDot::initVertexBuffers()
00198 {
00199         <a class="code" href="classNL3D_1_1CPSDot.html#q0">_DotVb</a>.setVertexFormat(CVertexBuffer::PositionFlag);
00200         <a class="code" href="classNL3D_1_1CPSDot.html#q1">_DotVbColor</a>.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::PrimaryColorFlag);
00201         <a class="code" href="classNL3D_1_1CPSDot.html#q0">_DotVb</a>.setNumVertices(dotBufSize);
00202         <a class="code" href="classNL3D_1_1CPSDot.html#q1">_DotVbColor</a>.setNumVertices(dotBufSize);
00203 }
00204 
<a name="l00206"></a><a class="code" href="classNL3D_1_1CPSDot.html#b2">00206</a> <font class="keywordtype">void</font> CPSDot::init(<font class="keywordtype">void</font>)
00207 {               
00208         <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setLighting(<font class="keyword">false</font>);        
00209         <a class="code" href="classNL3D_1_1CPSMaterial.html#n0">_Mat</a>.setZFunc(CMaterial::less);
00210         
00211         <a class="code" href="classNL3D_1_1CPSDot.html#b3">updateMatAndVbForColor</a>();
00212 }
00213 
<a name="l00215"></a><a class="code" href="classNL3D_1_1CPSDot.html#a5">00215</a> uint32 CPSDot::getMaxNumFaces(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00216 <font class="keyword"></font>{
00217         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>);
00218         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSLocatedBindable.html#n0">_Owner</a>-&gt;getMaxSize();
00219 }
00220 
<a name="l00222"></a><a class="code" href="classNL3D_1_1CPSDot.html#b5">00222</a> <font class="keywordtype">void</font> CPSDot::newElement(CPSLocated *emitterLocated, uint32 emitterIndex)
00223 {
00224         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#b2">newColorElement</a>(emitterLocated, emitterIndex);
00225 }
00226 
<a name="l00228"></a><a class="code" href="classNL3D_1_1CPSDot.html#b6">00228</a> <font class="keywordtype">void</font> CPSDot::deleteElement(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)
00229 {
00230         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#b3">deleteColorElement</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
00231 }
00232 
<a name="l00234"></a><a class="code" href="classNL3D_1_1CPSDot.html#b3">00234</a> <font class="keywordtype">void</font> CPSDot::updateMatAndVbForColor(<font class="keywordtype">void</font>)
00235 {       
00236 }
00237 
<a name="l00239"></a><a class="code" href="classNL3D_1_1CPSDot.html#a3">00239</a> <font class="keywordtype">bool</font> CPSDot::hasTransparentFaces(<font class="keywordtype">void</font>)
00240 {
00241         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CPSMaterial.html#a3">getBlendingMode</a>() != CPSMaterial::alphaTest ;
00242 }
00243 
<a name="l00245"></a><a class="code" href="classNL3D_1_1CPSDot.html#a4">00245</a> <font class="keywordtype">bool</font> CPSDot::hasOpaqueFaces(<font class="keywordtype">void</font>)
00246 {
00247         <font class="keywordflow">return</font> !<a class="code" href="classNL3D_1_1CPSDot.html#a3">hasTransparentFaces</a>();
00248 }
00249 
<a name="l00251"></a><a class="code" href="classNL3D_1_1CPSDot.html#b4">00251</a> <font class="keywordtype">void</font> CPSDot::resize(uint32 size)
00252 {       
00253         <a class="code" href="debug_8h.html#a6">nlassert</a>(size &lt; (1 &lt;&lt; 16));
00254         <a class="code" href="classNL3D_1_1CPSColoredParticle.html#b4">resizeColor</a>(size);
00255 }
00256 
<a name="l00258"></a><a class="code" href="classNL3D_1_1CPSDot.html#a2">00258</a> <font class="keywordtype">void</font> CPSDot::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f) <font class="keywordflow">throw</font>(NLMISC::EStream)
00259 {
00260         
00261         f.serialVersion(1);     
00262 
00263 
00264         CPSParticle::serial(f);
00265         CPSColoredParticle::serialColorScheme(f);
00266         serialMaterial(f);
00267         <font class="keywordflow">if</font> (f.isReading())
00268         {
00269                 init();         
00270         }
00271 }
00272 
00273 } <font class="comment">// NL3D</font>
</pre></div>

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