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<hr><h1>zone_lighter.cpp</h1><a href="zone__lighter_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 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="zone__lighter_8h.html">3d/zone_lighter.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="landscape_8h.html">3d/landscape.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="patchuv__locator_8h.html">3d/patchuv_locator.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="shape_8h.html">3d/shape.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="mesh_8h.html">3d/mesh.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="mesh__multi__lod_8h.html">3d/mesh_multi_lod.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="mesh__mrm_8h.html">3d/mesh_mrm.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="transform__shape_8h.html">3d/transform_shape.h</a>"</font>
00036 <font class="preprocessor">#include "<a class="code" href="water__shape_8h.html">3d/water_shape.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="texture__file_8h.html">3d/texture_file.h</a>"</font>
00038
00039
00040
00041
00042
00043 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00044 <font class="preprocessor">#include "<a class="code" href="thread_8h.html">nel/misc/thread.h</a>"</font>
00045 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00046 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00047 <font class="preprocessor">#include "<a class="code" href="aabbox_8h.html">nel/misc/aabbox.h</a>"</font>
00048
00049
00050 <font class="comment">// Define this to use hardware soft shadows</font>
00051 <font class="comment">//#define HARDWARE_SOFT_SHADOWS</font>
00052
00053 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
00054 <font class="preprocessor"></font>
00055 <font class="preprocessor">#include "<a class="code" href="u__driver_8h.html">nel/3d/u_driver.h</a>"</font>
00056
00057 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
00058 <font class="preprocessor"></font>
00059
00060 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00061 <font class="preprocessor"></font><font class="preprocessor"># define WIN32_LEAN_AND_MEAN</font>
00062 <font class="preprocessor"></font><font class="preprocessor"># include "windows.h"</font>
00063 <font class="preprocessor"># include "winbase.h"</font>
00064 <font class="preprocessor"># ifdef min</font>
00065 <font class="preprocessor"></font><font class="preprocessor"># undef min</font>
00066 <font class="preprocessor"></font><font class="preprocessor"># endif</font>
00067 <font class="preprocessor"></font><font class="preprocessor"># ifdef max</font>
00068 <font class="preprocessor"></font><font class="preprocessor"># undef max</font>
00069 <font class="preprocessor"></font><font class="preprocessor"># endif</font>
00070 <font class="preprocessor"></font><font class="preprocessor">#endif // NL_OS_WINDOWS</font>
00071 <font class="preprocessor"></font>
00072 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00073 <font class="keyword">using</font> <font class="keyword">namespace </font>NL3D;
00074 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00075
00076 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
00077 <font class="preprocessor"></font>
00078 UDriver *drv=NULL;
00079
00080 <font class="preprocessor">#define LIGHT_BUFFER_SIZE 16</font>
00081 <font class="preprocessor"></font>
00082 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
00083 <font class="preprocessor"></font>
00084
00085 <font class="comment">// Bad coded: don't set too big else it allocates too much memory.</font>
<a name="l00086"></a><a class="code" href="zone__lighter_8cpp.html#a0">00086</a> <font class="preprocessor">#define NL3D_ZONE_LIGHTER_CUBE_GRID_SIZE 16</font>
00087 <font class="preprocessor"></font>
00088
00089 <font class="comment">// ***************************************************************************</font>
00090
00091
<a name="l00092"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a0">00092</a> CZoneLighter::CZoneLighter () : _PatchComputed ("PatchComputed"), _TriangleListAllocateur(100000)
00093 {
00094
00095 }
00096
00097 <font class="comment">// ***************************************************************************</font>
00098
<a name="l00099"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a2">00099</a> <font class="keywordtype">void</font> CZoneLighter::init ()
00100 {
00101 <font class="comment">// Precalc some values</font>
00102 <font class="keywordflow">for</font> (uint i=0; i<8; i++)
00103 {
00104 <font class="comment">// Precalc sinP and cosP</font>
00105 <font class="keywordtype">float</font> sinP=(float)(sin((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/4)*(i+0.5))-sin((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/4)*(i-0.5)));
00106 <font class="keywordtype">float</font> cosP=(float)(cos((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/4)*(i-0.5))-cos((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/4)*(i+0.5)));
00107
00108 <font class="keywordflow">for</font> (uint phi=0; phi<256; phi++)
00109 {
00110 <font class="comment">// Real phi</font>
00111 <font class="keywordtype">float</font> fPhi=(float)((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/2)*phi/256.0);
00112
00113 <font class="comment">// Tmp result</font>
00114 <font class="keywordtype">float</font> tmp0=(float)(fPhi-sin(2*fPhi)/2);
00115 <font class="keywordtype">float</font> tmp1=(float)sin(fPhi);
00116
00117 <font class="comment">// Calc K</font>
00118 <a class="code" href="classNL3D_1_1CZoneLighter.html#o37">_K</a>[phi][i].<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a> (tmp0*sinP, tmp0*cosP, (<font class="keywordtype">float</font>)((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/4)*tmp1*tmp1));
00119 }
00120 }
00121
00122 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
00123 <font class="preprocessor"></font> <font class="keywordflow">if</font> (!drv)
00124 {
00125 <font class="comment">// Mode</font>
00126 UDriver::CMode mode (LIGHT_BUFFER_SIZE, LIGHT_BUFFER_SIZE, 32, <font class="keyword">true</font>);
00127 drv=UDriver::createDriver ();
00128 drv->setDisplay (mode);
00129 drv->setMatrixMode2D11 ();
00130 }
00131 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
00132 <font class="preprocessor"></font>}
00133
00134 <font class="comment">// ***************************************************************************</font>
00135
00136 <font class="comment">// N - NW - W - SW - S - SE - E - NE</font>
<a name="l00137"></a><a class="code" href="zone__lighter_8cpp.html#a5">00137</a> <font class="keyword">static</font> <font class="keyword">const</font> sint <a class="code" href="zone__lighter_8cpp.html#a5">deltaDirection</a>[8][2]=
00138 {
00139 {1, 0},
00140 {1, 1},
00141 {0, 1},
00142 {-1, 1},
00143 {-1, 0},
00144 {-1, -1},
00145 {0, -1},
00146 {1, -1},
00147 };
00148
00149 <font class="comment">// ***************************************************************************</font>
00150
<a name="l00151"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c6">00151</a> <font class="keywordtype">float</font> CZoneLighter::calcSkyContribution (sint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, <font class="keywordtype">float</font> skyIntensity, <font class="keyword">const</font> CVector& normal)<font class="keyword"> const</font>
00152 <font class="keyword"></font>{
00153 <font class="comment">// Sky contribution</font>
00154 <font class="keywordtype">float</font> skyContribution;
00155
00156 <font class="comment">// Calc k</font>
00157 CVector k (0, 0, 0);
00158
00159 <font class="comment">// For the height direction</font>
00160 <font class="keywordflow">for</font> (uint i=0; i<8; i++)
00161 {
00162 <font class="comment">// Get phi for this point</font>
00163 uint8 phi=<a class="code" href="classNL3D_1_1CZoneLighter.html#c8">getMaxPhi</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <a class="code" href="zone__lighter_8cpp.html#a5">deltaDirection</a>[i][0], <a class="code" href="zone__lighter_8cpp.html#a5">deltaDirection</a>[i][1], <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
00164
00165 <font class="comment">// Add to k</font>
00166 k+=<a class="code" href="classNL3D_1_1CZoneLighter.html#o37">_K</a>[phi][i];
00167 }
00168
00169 <font class="comment">// Finalize sky contribution</font>
00170 skyContribution=(float)(skyIntensity*(normal*k)/(2*<a class="code" href="namespaceNLMISC.html#a7">Pi</a>));
00171 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (skyContribution, 0.f, 1.f);
00172 <font class="keywordflow">return</font> skyContribution;
00173 }
00174
00175 <font class="comment">// ***************************************************************************</font>
00176
<a name="l00177"></a><a class="code" href="zone__lighter_8cpp.html#a7">00177</a> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a369">NEL3DCalcBase</a> (CVector &direction, CMatrix& <a class="code" href="driver__opengl__extension__def_8h.html#a370">matrix</a>)
00178 {
00179 direction.normalize();
00180 CVector I=(fabs(direction*CVector(1.f,0,0))>0.99)?CVector(0.f,1.f,0.f):CVector(1.f,0.f,0.f);
00181 CVector K=-direction;
00182 CVector J=K^I;
00183 J.normalize();
00184 I=J^K;
00185 I.normalize();
00186 <a class="code" href="driver__opengl__extension__def_8h.html#a370">matrix</a>.identity();
00187 <a class="code" href="driver__opengl__extension__def_8h.html#a370">matrix</a>.setRot(I,J,K, <font class="keyword">true</font>);
00188 }
00189
00190 <font class="comment">// ***************************************************************************</font>
00191
<a name="l00192"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html">00192</a> <font class="keyword">class </font>NL3D::CCalcRunnable : <font class="keyword">public</font> IRunnable
00193 {
00194 <font class="comment">// Members</font>
<a name="l00195"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html#o0">00195</a> uint _Process;
<a name="l00196"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html#o1">00196</a> CZoneLighter *_ZoneLighter;
<a name="l00197"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html#o2">00197</a> <font class="keyword">const</font> CZoneLighter::CLightDesc *_Description;
00198
00199 <font class="keyword">public</font>:
<a name="l00200"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html#m0">00200</a> IThread *Thread;
00201
00202 <font class="keyword">public</font>:
00203 <font class="comment">// Ctor</font>
<a name="l00204"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html#a0">00204</a> CCalcRunnable (uint process, CZoneLighter *zoneLighter, <font class="keyword">const</font> CZoneLighter::CLightDesc *description)
00205 {
00206 _ZoneLighter = zoneLighter;
00207 _Process = process;
00208 _Description = description;
00209 }
00210
00211 <font class="comment">// Run method</font>
<a name="l00212"></a><a class="code" href="classNL3D_1_1CCalcRunnable.html#a1">00212</a> <font class="keywordtype">void</font> run()
00213 {
00214 <font class="comment">// Set the processor mask</font>
00215 uint64 mask = IProcess::getCurrentProcess()->getCPUMask ();
00216
00217 <font class="comment">// Mask must not be NULL</font>
00218 <a class="code" href="debug_8h.html#a6">nlassert</a> (mask != 0);
00219
00220 <font class="keywordflow">if</font> (mask != 0)
00221 {
00222 uint i=0;
00223 uint count = 0;
00224 <font class="keywordflow">while</font> (1)
00225 {
00226 <font class="keywordflow">if</font> (mask & (1<<i))
00227 {
00228 <font class="keywordflow">if</font> (count == _Process)
00229 <font class="keywordflow">break</font>;
00230 count++;
00231 }
00232 i++;
00233 <font class="keywordflow">if</font> (i==64)
00234 i = 0;
00235 }
00236
00237 <font class="comment">// Set the CPU mask</font>
00238 Thread->setCPUMask (1<<i);
00239 }
00240
00241 _ZoneLighter->processCalc (_Process, *_Description);
00242 _ZoneLighter->_ProcessExited++;
00243 }
00244 };
00245
00246
00247 <font class="comment">// ***************************************************************************</font>
<a name="l00248"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html">00248</a> <font class="keyword">class </font>NL3D::CCalcLightableShapeRunnable : <font class="keyword">public</font> IRunnable
00249 {
00250 <font class="keyword">public</font>:
<a name="l00251"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#a0">00251</a> CCalcLightableShapeRunnable(uint process,
00252 CZoneLighter *zoneLighter,
00253 <font class="keyword">const</font> CZoneLighter::CLightDesc *description,
00254 CZoneLighter::TShapeVect *shapeToLit,
00255 uint firstShape,
00256 uint lastShape
00257 )
00258 :
00259 _ZoneLighter(zoneLighter),
00260 _Description(description),
00261 _ShapesToLit(shapeToLit),
00262 _FirstShape(firstShape),
00263 _LastShape(lastShape),
00264 _Process(process)
00265 {
00266 }
<a name="l00267"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#a1">00267</a> <font class="keywordtype">void</font> run()
00268 {
00269 _ZoneLighter->processLightableShapeCalc(_Process, _ShapesToLit, _FirstShape, _LastShape, *_Description);
00270 _ZoneLighter->_ProcessExited++;
00271 }
00272 <font class="keyword">private</font>:
<a name="l00273"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#o0">00273</a> CZoneLighter *_ZoneLighter;
<a name="l00274"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#o1">00274</a> <font class="keyword">const</font> CZoneLighter::CLightDesc *_Description;
<a name="l00275"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#o2">00275</a> CZoneLighter::TShapeVect *_ShapesToLit;
<a name="l00276"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#o4">00276</a> uint _FirstShape, _LastShape;
<a name="l00277"></a><a class="code" href="classNL3D_1_1CCalcLightableShapeRunnable.html#o5">00277</a> uint _Process;
00278
00279 };
00280
00281 <font class="comment">// ***************************************************************************</font>
00282
<a name="l00283"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a3">00283</a> <font class="keywordtype">void</font> CZoneLighter::light (CLandscape &landscape, CZone& output, uint zoneToLight, <font class="keyword">const</font> CLightDesc& description, std::vector<CTriangle>& obstacles, vector<uint> &listZone)
00284 {
00285 <font class="comment">/*</font>
00286 <font class="comment"> * Lighting algorithm</font>
00287 <font class="comment"> * ------------------</font>
00288 <font class="comment"> *</font>
00289 <font class="comment"> * - Create a quad grid to store shadow casting triangles</font>
00290 <font class="comment"> * - Create a heightfield used for global illumination. Cells are initialized with -FLT_MAX</font>
00291 <font class="comment"> * - Insert each shadow casting triangles in the quad grid and fill the heightfield's cells overlapped by the bounding box of the triangle with</font>
00292 <font class="comment"> * the max height of the triangle if its height is > than the current height in the heightfield's cell.</font>
00293 <font class="comment"> * - </font>
00294 <font class="comment"> */</font>
00295
00296 <font class="comment">// Backup thread mask</font>
00297 IThread *currentThread = IThread::getCurrentThread ();
00298 uint64 threadMask = currentThread->getCPUMask();
00299 currentThread->setCPUMask (1);
00300
00301 <font class="comment">// Calc the ray basis</font>
00302 <a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>=description.LightDirection;
00303 <a class="code" href="zone__lighter_8cpp.html#a7">NEL3DCalcBase</a> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>, <a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a>);
00304
00305 <font class="comment">// Zone to light</font>
00306 <a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>=zoneToLight;
00307
00308 <font class="comment">// Landscape </font>
00309 <a class="code" href="classNL3D_1_1CZoneLighter.html#o5">_Landscape</a>=&landscape;
00310
00311 <font class="comment">// Process count</font>
00312 <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>=description.NumCPU;
00313 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>==0)
00314 {
00315 <font class="comment">// Create a doomy thread</font>
00316 IProcess *pProcess=IProcess::getCurrentProcess ();
00317 <a class="code" href="classNL3D_1_1CZoneLighter.html#o13">_CPUMask</a> = pProcess->getCPUMask();
00318 <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a> = 0;
00319 uint64 i;
00320 <font class="keywordflow">for</font> (i=0; i<64; i++)
00321 {
00322 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o13">_CPUMask</a>&((uint64)1<<i))
00323 <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>++;
00324 }
00325 }
00326 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>><a class="code" href="zone__lighter_8h.html#a2">MAX_CPU_PROCESS</a>)
00327 <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>=<a class="code" href="zone__lighter_8h.html#a2">MAX_CPU_PROCESS</a>;
00328
00329 <font class="comment">// Number of CPUS used</font>
00330 printf (<font class="stringliteral">"Number of CPU used: %d\n"</font>, <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>);
00331
00332 <font class="comment">// Fallof distance</font>
00333 <a class="code" href="classNL3D_1_1CZoneLighter.html#o18">_FallofDistance</a>=description.SoftshadowFallof;
00334
00335 <font class="comment">// Shadow bias</font>
00336 <a class="code" href="classNL3D_1_1CZoneLighter.html#o6">_ShadowBias</a>=description.ShadowBias;
00337
00338 <font class="comment">// Resize the shape array</font>
00339 <a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m0">NumVertex</a>=description.SoftshadowShapeVertexCount;
00340
00341 <font class="comment">// Softshadow ?</font>
00342 <a class="code" href="classNL3D_1_1CZoneLighter.html#o7">_Softshadow</a>=description.Softshadow;
00343
00344 <font class="comment">// Radius of the shape</font>
00345 <a class="code" href="classNL3D_1_1CZoneLighter.html#o17">_ShapeRadius</a>=description.SoftshadowBlurSize;
00346 <a class="code" href="classNL3D_1_1CZoneLighter.html#o2">_RayAdd</a>=<a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a>.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>();
00347 <a class="code" href="classNL3D_1_1CZoneLighter.html#o2">_RayAdd</a>+=<a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a>.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>();
00348 <a class="code" href="classNL3D_1_1CZoneLighter.html#o2">_RayAdd</a>.<a class="code" href="classNLMISC_1_1CVector.html#z331_4">normalize</a>();
00349 <a class="code" href="classNL3D_1_1CZoneLighter.html#o2">_RayAdd</a>*=1.5f*<a class="code" href="classNL3D_1_1CZoneLighter.html#o17">_ShapeRadius</a>;
00350
00351 <font class="comment">// Build the shape</font>
00352 uint i;
00353 <font class="keywordflow">for</font> (i=0; i<<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m0">NumVertex</a>; i++)
00354 {
00355 <font class="comment">// Shape is a smapled circle</font>
00356 <font class="keywordtype">float</font> angle=(float)((float)i*2*<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m0">NumVertex</a>);
00357 <a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m1">Vertices</a>[i]=<a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a>*CVector (<a class="code" href="classNL3D_1_1CZoneLighter.html#o17">_ShapeRadius</a>*(<font class="keywordtype">float</font>)cos (angle), <a class="code" href="classNL3D_1_1CZoneLighter.html#o17">_ShapeRadius</a>*(<font class="keywordtype">float</font>)sin (angle), 0);
00358 }
00359
00360 <font class="comment">// Calculate the area of the shape</font>
00361 <a class="code" href="classNL3D_1_1CZoneLighter.html#o16">_ShapeArea</a>=0;
00362 <font class="keywordflow">for</font> (i=0; i<<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m0">NumVertex</a>; i++)
00363 {
00364 <font class="comment">// Sum area of each triangle</font>
00365 <a class="code" href="classNL3D_1_1CZoneLighter.html#o16">_ShapeArea</a>+=(<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m1">Vertices</a>[i]^<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m1">Vertices</a>[(i+1)%<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m0">NumVertex</a>]).norm();
00366 }
00367
00368 <font class="comment">// Zone pointer</font>
00369 CZone *pZone=landscape.getZone (<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>);
00370 <font class="keywordflow">if</font> (pZone)
00371 {
00372 <font class="comment">// Change the quadGrid basis</font>
00373 CMatrix invRayBasis=<a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a>;
00374 invRayBasis.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_6">invert</a> ();
00375
00376 uint cpu;
00377 <font class="keywordflow">for</font> (cpu=0; cpu<<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>; cpu++)
00378 {
00379 <a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].changeBase (invRayBasis);
00380
00381 <font class="comment">// Init the quadGrid</font>
00382 <a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].create (description.GridSize, description.GridCellSize);
00383 }
00384
00385 <font class="comment">// Init the heightfield</font>
00386 <a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>=description.HeightfieldCellSize;
00387 <a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>=(sint)(description.HeightfieldSize/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>);
00388 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>!=0);
00389 <font class="keyword">const</font> CAABBoxExt &zoneBB=pZone->getZoneBB();
00390 <a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>=zoneBB.getCenter ()-CVector (description.HeightfieldSize/2, description.HeightfieldSize/2, 0);
00391 <a class="code" href="classNL3D_1_1CZoneLighter.html#o19">_HeightField</a>.resize (<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>*<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>, -FLT_MAX);
00392
00393 <font class="comment">// Fill the quadGrid and the heightField</font>
00394 uint size=obstacles.size();
00395 <font class="keywordflow">for</font> (uint triangleId=0; triangleId<size; triangleId++)
00396 {
00397 <font class="comment">// Progress bar</font>
00398 <font class="keywordflow">if</font> ( (triangleId&0xff) == 0)
00399 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Build quadtree and heightfield"</font>, (<font class="keywordtype">float</font>)triangleId/(<font class="keywordtype">float</font>)size);
00400
00401 <font class="comment">// Triangle ref</font>
00402 CZoneLighter::CTriangle& triangle=obstacles[triangleId];
00403
00404 <font class="comment">// Calc the plane</font>
00405 triangle.Plane.make (triangle.Triangle.V0, triangle.Triangle.V1, triangle.Triangle.V2);
00406
00407 <font class="comment">// Calc the clipping plane</font>
00408 CVector edgeDirection[3];
00409 CVector point[3];
00410 point[0]=triangle.Triangle.V0;
00411 edgeDirection[0]=triangle.Triangle.V1-triangle.Triangle.V0;
00412 point[1]=triangle.Triangle.V1;
00413 edgeDirection[1]=triangle.Triangle.V2-triangle.Triangle.V1;
00414 point[2]=triangle.Triangle.V2;
00415 edgeDirection[2]=triangle.Triangle.V0-triangle.Triangle.V2;
00416
00417 <font class="comment">// Flip plane ?</font>
00418 <font class="keywordtype">bool</font> flip=((triangle.Plane.getNormal()*(-<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>))<0);
00419
00420 <font class="comment">// For each plane</font>
00421 <font class="keywordflow">for</font> (uint edge=0; edge<3; edge++)
00422 {
00423 <font class="comment">// Plane normal</font>
00424 edgeDirection[edge]=edgeDirection[edge]^(-<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>);
00425 edgeDirection[edge].normalize();
00426 <font class="keywordflow">if</font> (flip)
00427 edgeDirection[edge]=-edgeDirection[edge];
00428
00429 <font class="comment">// Make a plane</font>
00430 triangle.ClippingPlanes[edge].make (edgeDirection[edge], point[edge]);
00431 }
00432
00433 <font class="comment">// Look for the min coordinate, in the RayBasis</font>
00434 CVector irbMinv;
00435 CVector irbV0= invRayBasis * triangle.Triangle.V0;
00436 CVector irbV1= invRayBasis * triangle.Triangle.V1;
00437 CVector irbV2= invRayBasis * triangle.Triangle.V2;
00438 irbMinv.minof (irbV0, irbV1);
00439 irbMinv.minof (irbMinv, irbV2);
00440
00441 <font class="comment">// Look for the max coordinate, in the RayBasis</font>
00442 CVector irbMaxv;
00443 irbMaxv.maxof (irbV0, irbV1);
00444 irbMaxv.maxof (irbMaxv, irbV2);
00445
00446 <font class="comment">// Insert in the quad grid</font>
00447 <font class="keywordflow">for</font> (cpu=0; cpu<<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>; cpu++)
00448 <font class="comment">// Set the coord in World Basis.</font>
00449 <a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].insert (<a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a> * irbMinv, <a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a> * irbMaxv, &triangle);
00450
00451
00452 <font class="comment">// Look for the min coordinate, in World Basis</font>
00453 CVector minv;
00454 minv.minof (triangle.Triangle.V0, triangle.Triangle.V1);
00455 minv.minof (minv, triangle.Triangle.V2);
00456
00457 <font class="comment">// Look for the max coordinate, in World Basis</font>
00458 CVector maxv;
00459 maxv.maxof (triangle.Triangle.V0, triangle.Triangle.V1);
00460 maxv.maxof (maxv, triangle.Triangle.V2);
00461
00462
00463 <font class="comment">// Lanscape tri ?</font>
00464 <font class="keywordflow">if</font> (triangle.ZoneId!=0xffffffff)
00465 {
00466 <font class="comment">// Fill the heightfield</font>
00467 sint minX=std::max (0, (sint)floor (0.5f+(minv.x-<a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>));
00468 sint maxX=<a class="code" href="bit__set_8cpp.html#a0">std::min</a> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>, (sint)floor (0.5f+(maxv.x-<a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>));
00469 sint minY=std::max (0, (sint)floor (0.5f+(minv.y-<a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>));
00470 sint maxY=<a class="code" href="bit__set_8cpp.html#a0">std::min</a> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>, (sint)floor (0.5f+(maxv.y-<a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>));
00471
00472 <font class="comment">// Calc position in the heightfield</font>
00473 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=minY; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><maxY; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00474 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=minX; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><maxX; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00475 {
00476 <font class="comment">// Valid position, try to insert it</font>
00477 <font class="keywordflow">if</font> (maxv.z><a class="code" href="classNL3D_1_1CZoneLighter.html#o19">_HeightField</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>])
00478 {
00479 <font class="comment">// New height in this cell</font>
00480 <a class="code" href="classNL3D_1_1CZoneLighter.html#o19">_HeightField</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>]=maxv.z;
00481 }
00482 }
00483 }
00484 }
00485
00486 <font class="comment">// Retrieve the zone to fill its shaded value</font>
00487 pZone->retrieve (<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>, <a class="code" href="classNL3D_1_1CZoneLighter.html#o24">_BorderVertices</a>);
00488
00489 <font class="comment">// Number of patch</font>
00490 uint patchCount=<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>.size();
00491
00492 <font class="comment">// Bit array to know if the lumel is shadowed</font>
00493 <font class="keywordflow">if</font> (description.Shadow)
00494 <a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>.resize (patchCount);
00495
00496 <font class="comment">// A lumel vector by patch</font>
00497 vector<vector<CLumelDescriptor> > lumels;
00498 lumels.resize (patchCount);
00499
00500 <font class="comment">// Build zone informations</font>
00501 <a class="code" href="classNL3D_1_1CZoneLighter.html#c3">buildZoneInformation</a> (landscape,
00502 listZone,
00503 description.Oversampling!=CLightDesc::NoOverSampling,
00504 description);
00505
00506 }
00507
00508 <font class="comment">// Number of patch</font>
00509 uint patchCount=<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>.size();
00510
00511 <font class="comment">// Reset patch count</font>
00512 {
00513 CSynchronized<std::vector<bool> >::CAccessor access (&<a class="code" href="classNL3D_1_1CZoneLighter.html#o9">_PatchComputed</a>);
00514 access.value().resize (0);
00515 access.value().resize (patchCount, <font class="keyword">false</font>);
00516 }
00517
00518 <font class="comment">// Patch by thread</font>
00519 uint patchCountByThread = patchCount/<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>;
00520 patchCountByThread++;
00521
00522 <font class="comment">// Patch to allocate</font>
00523 uint firstPatch=0;
00524 <a class="code" href="classNL3D_1_1CZoneLighter.html#o11">_NumberOfPatchComputed</a> = 0;
00525
00526 <a class="code" href="classNL3D_1_1CZoneLighter.html#o14">_ProcessExited</a>=0;
00527
00528 <font class="comment">// Set the thread state</font>
00529 <a class="code" href="classNL3D_1_1CZoneLighter.html#o10">_LastPatchComputed</a>.resize (<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>);
00530
00531 <font class="comment">// Launch threads</font>
00532 <font class="keywordflow">for</font> (uint process=1; process<<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>; process++)
00533 {
00534 <font class="comment">// Last patch</font>
00535 uint lastPatch=firstPatch+patchCountByThread;
00536 <font class="keywordflow">if</font> (lastPatch>patchCount)
00537 lastPatch=patchCount;
00538
00539 <font class="comment">// Last patch computed</font>
00540 <a class="code" href="classNL3D_1_1CZoneLighter.html#o10">_LastPatchComputed</a>[process] = firstPatch;
00541
00542 <font class="comment">// Create a thread</font>
00543 CCalcRunnable *runnable = <font class="keyword">new</font> CCalcRunnable (process, <font class="keyword">this</font>, &description);
00544 IThread *pThread=IThread::create (runnable);
00545 runnable->Thread = pThread;
00546
00547 <font class="comment">// New first patch</font>
00548 firstPatch=lastPatch;
00549
00550 <font class="comment">// Launch</font>
00551 pThread->start();
00552 }
00553
00554 <font class="comment">// My thread</font>
00555 uint lastPatch=firstPatch+patchCountByThread;
00556 <font class="keywordflow">if</font> (lastPatch>patchCount)
00557 lastPatch=patchCount;
00558 <a class="code" href="classNL3D_1_1CZoneLighter.html#o10">_LastPatchComputed</a>[0] = firstPatch;
00559 CCalcRunnable thread (0, <font class="keyword">this</font>, &description);
00560 thread.Thread = currentThread;
00561 thread.run();
00562
00563 <font class="comment">// Wait for others processes</font>
00564 <font class="keywordflow">while</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o14">_ProcessExited</a>!=<a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>)
00565 {
00566 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (10);
00567 }
00568
00569 <font class="comment">// Reset old thread mask</font>
00570 currentThread->setCPUMask (threadMask);
00571
00572 <font class="comment">// Progress bar</font>
00573 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Compute Influences of PointLights"</font>, 0.f);
00574
00575 <font class="comment">// Compute PointLight influences on zone.</font>
00576 <font class="comment">// Some precalc.</font>
00577 <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_0">compilePointLightRT</a>(description.GridSize, description.GridCellSize, obstacles,
00578 description.Shadow || description.Softshadow );
00579 <font class="comment">// Influence patchs and get light list of interest</font>
00580 std::vector<CPointLightNamed> listPointLight;
00581 <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_1">processZonePointLightRT</a>(listPointLight);
00582
00583
00584 <font class="comment">// Rebuild the zone</font>
00585
00586 <font class="comment">// Progress bar</font>
00587 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Compress the lightmap"</font>, 0.6f);
00588
00589 <font class="comment">// Build, with list of lights.</font>
00590 CZoneInfo zinfo;
00591 zinfo.ZoneId= <a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>;
00592 zinfo.Patchs= <a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>;
00593 zinfo.BorderVertices= <a class="code" href="classNL3D_1_1CZoneLighter.html#o24">_BorderVertices</a>;
00594 zinfo.PointLights= listPointLight;
00595 output.build (zinfo);
00596
00598 <a class="code" href="classNL3D_1_1CZoneLighter.html#f0">copyTileFlags</a>(output, *(landscape.getZone(zoneToLight)));
00599
00601 <a class="code" href="classNL3D_1_1CZoneLighter.html#c14">lightShapes</a>(zoneToLight, description);
00602 }
00603
00604
00605 <font class="comment">// *************************************************************************************</font>
<a name="l00606"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#f0">00606</a> <font class="keywordtype">void</font> CZoneLighter::copyTileFlags(CZone &destZone, <font class="keyword">const</font> CZone &srcZone)
00607 {
00608 <a class="code" href="debug_8h.html#a6">nlassert</a>(destZone.getZoneId() == srcZone.getZoneId());
00609 <font class="keywordflow">for</font> (sint k = 0; k < srcZone.getNumPatchs(); ++k)
00610 {
00611 destZone.copyTilesFlags(k, srcZone.getPatch(k));
00612 }
00613 }
00614
00615 <font class="comment">// ***************************************************************************</font>
<a name="l00616"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c7">00616</a> <font class="keywordtype">float</font> CZoneLighter::getSkyContribution(<font class="keyword">const</font> CVector &pos, <font class="keyword">const</font> CVector &normal, <font class="keywordtype">float</font> skyIntensity)<font class="keyword"> const</font>
00617 <font class="keyword"></font>{
00618 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=(pos.x-<a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>;
00619 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=(pos.y-<a class="code" href="classNL3D_1_1CZoneLighter.html#o21">_OrigineHeightField</a>.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>;
00620 sint sInt=(sint)(floor (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+0.5f));
00621 sint tInt=(sint)(floor (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f));
00622
00623 <font class="comment">// Bilinear</font>
00624 <font class="keywordtype">float</font> skyContributionTab[2][2];
00625 skyContributionTab[0][0] = <a class="code" href="classNL3D_1_1CZoneLighter.html#c6">calcSkyContribution</a> (sInt-1, tInt-1, pos.z, skyIntensity, normal);
00626 skyContributionTab[1][0] = <a class="code" href="classNL3D_1_1CZoneLighter.html#c6">calcSkyContribution</a> (sInt, tInt-1, pos.z, skyIntensity, normal);
00627 skyContributionTab[1][1] = <a class="code" href="classNL3D_1_1CZoneLighter.html#c6">calcSkyContribution</a> (sInt, tInt, pos.z, skyIntensity, normal);
00628 skyContributionTab[0][1] = <a class="code" href="classNL3D_1_1CZoneLighter.html#c6">calcSkyContribution</a> (sInt-1, tInt, pos.z, skyIntensity, normal);
00629
00630 <font class="keywordtype">float</font> sFact=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+0.5f-sInt;
00631 <font class="keywordtype">float</font> tFact=<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f-tInt;
00632 <font class="keywordflow">return</font> (skyContributionTab[0][0]*(1.f-sFact) + skyContributionTab[1][0]*sFact)*(1.f-tFact) +
00633 (skyContributionTab[0][1]*(1.f-sFact) + skyContributionTab[1][1]*sFact)*tFact;
00634 }
00635
00636
00637 <font class="comment">// ***************************************************************************</font>
<a name="l00638"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c2">00638</a> <font class="keywordtype">void</font> CZoneLighter::processCalc (uint process, <font class="keyword">const</font> CLightDesc& description)
00639 {
00640 <font class="comment">// *** Raytrace each patches</font>
00641
00642 <font class="comment">// Pointer on the zone</font>
00643 CZone *pZone=<a class="code" href="classNL3D_1_1CZoneLighter.html#o5">_Landscape</a>-><a class="code" href="classNL3D_1_1CLandscape.html#z481_0">getZone</a> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>);
00644
00645 <font class="comment">// Get a patch</font>
00646 uint patch = <a class="code" href="classNL3D_1_1CZoneLighter.html#c21">getAPatch</a> (process);
00647 <font class="keywordflow">while</font> (patch != 0xffffffff)
00648 {
00649 <font class="comment">// For each patch</font>
00650 <font class="keywordflow">if</font> (description.Shadow)
00651 {
00652 <font class="comment">// Shape array</font>
00653 CMultiShape *shapeArray=<font class="keyword">new</font> CMultiShape;
00654 CMultiShape *shapeArrayTmp=<font class="keyword">new</font> CMultiShape;
00655 shapeArray->Shapes.reserve (<a class="code" href="zone__lighter_8h.html#a1">SHAPE_MAX</a>);
00656 shapeArrayTmp->Shapes.reserve (<a class="code" href="zone__lighter_8h.html#a1">SHAPE_MAX</a>);
00657
00658 <font class="comment">// Lumels</font>
00659 std::vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch];
00660
00661 <font class="comment">// Lumel count</font>
00662 uint lumelCount=lumels.size();
00663 CPatchInfo &patchInfo=<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[patch];
00664 <a class="code" href="debug_8h.html#a6">nlassert</a> (patchInfo.Lumels.size()==lumelCount);
00665
00666 <font class="comment">// Resize shadow array</font>
00667 <a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>[patch].resize (lumelCount);
00668
00669 <font class="comment">// For each lumel</font>
00670 <font class="keywordflow">for</font> (uint lumel=0; lumel<lumelCount; lumel++)
00671 {
00672 <font class="keywordtype">float</font> factor=0;
00673 <a class="code" href="classNL3D_1_1CZoneLighter.html#c9">rayTrace</a> (lumels[lumel].Position, lumels[lumel].Normal, lumels[lumel].S, lumels[lumel].T, patch, factor, *shapeArray, *shapeArrayTmp, process);
00674 patchInfo.Lumels[lumel]=(uint)(factor*255);
00675 }
00676 <font class="keyword">delete</font> shapeArray;
00677 <font class="keyword">delete</font> shapeArrayTmp;
00678 }
00679 <font class="keywordflow">else</font>
00680 {
00681 <font class="comment">// Lumels</font>
00682 std::vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch];
00683
00684 <font class="comment">// Lumel count</font>
00685 uint lumelCount=lumels.size();
00686 CPatchInfo &patchInfo=<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[patch];
00687 <a class="code" href="debug_8h.html#a6">nlassert</a> (patchInfo.Lumels.size()==lumelCount);
00688
00689 <font class="comment">// For each lumel</font>
00690 <font class="keywordflow">for</font> (uint lumel=0; lumel<lumelCount; lumel++)
00691 {
00692 <font class="comment">// Not shadowed</font>
00693 patchInfo.Lumels[lumel]=255;
00694 }
00695 }
00696
00697 <font class="comment">// *** Antialising</font>
00698
00699 <font class="comment">// Id of this zone in the array</font>
00700 uint zoneNumber=<a class="code" href="classNL3D_1_1CZoneLighter.html#o31">_ZoneId</a>[<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>];
00701
00702 <font class="comment">// Enabled ?</font>
00703 <font class="keywordflow">if</font> ((description.Shadow)&&(description.Oversampling!=CLightDesc::NoOverSampling))
00704 {
00705 <font class="comment">// Get a patch pointer</font>
00706 <font class="keyword">const</font> CPatch *pPatch=(const_cast<const CZone*>(pZone))->getPatch (patch);
00707
00708 <font class="comment">// Get the patch info</font>
00709 CPatchInfo &patchInfo=<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[patch];
00710
00711 <font class="comment">// Get order of the patch</font>
00712 uint orderLumelS=pPatch->getOrderS()<<2;
00713 uint orderLumelT=pPatch->getOrderT()<<2;
00714
00715 <font class="comment">// ** Pointer on arries</font>
00716 vector<bool> &binded=<a class="code" href="classNL3D_1_1CZoneLighter.html#o29">_Binded</a>[zoneNumber][patch];
00717 vector<bool> &oversampleEdges=<a class="code" href="classNL3D_1_1CZoneLighter.html#o30">_OversampleEdges</a>[patch];
00718 vector<CPatchUVLocator> &locator=<a class="code" href="classNL3D_1_1CZoneLighter.html#o27">_Locator</a>[zoneNumber][patch];
00719 std::vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch];
00720
00721 <font class="comment">// Shadow array</font>
00722 vector<uint8> &shadowPatch=<a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>[patch];
00723
00724 <font class="comment">// Go for each lumel</font>
00725 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><orderLumelT; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>++)
00726 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><orderLumelS; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>++)
00727 {
00728 <font class="comment">// Over sample this lumel</font>
00729 <font class="keywordtype">bool</font> oversample=<font class="keyword">false</font>;
00730 uint8 shadowed=shadowPatch[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*orderLumelS];
00731
00732 <font class="comment">// Left..</font>
00733 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>==0)
00734 {
00735 <font class="comment">// Edge test</font>
00736 oversample=<a class="code" href="classNL3D_1_1CZoneLighter.html#c13">isLumelOnEdgeMustBeOversample</a> (patch, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, binded, oversampleEdges, locator, shadowed, <a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>);
00737 }
00738 <font class="keywordflow">else</font>
00739 {
00740 <font class="comment">// Internal test</font>
00741 oversample=(shadowed!=shadowPatch[(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>-1)+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*orderLumelS]);
00742 }
00743
00744 <font class="comment">// Bottom..</font>
00745 <font class="keywordflow">if</font> (!oversample)
00746 {
00747 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>==(orderLumelT-1))
00748 {
00749 <font class="comment">// Edge test</font>
00750 oversample=<a class="code" href="classNL3D_1_1CZoneLighter.html#c13">isLumelOnEdgeMustBeOversample</a> (patch, 1, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, binded, oversampleEdges, locator, shadowed, <a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>);
00751 }
00752 <font class="keywordflow">else</font>
00753 {
00754 <font class="comment">// Internal test</font>
00755 oversample=(shadowed!=shadowPatch[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+1)*orderLumelS]);
00756 }
00757
00758 <font class="comment">// Right..</font>
00759 <font class="keywordflow">if</font> (!oversample)
00760 {
00761 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>==(orderLumelS-1))
00762 {
00763 <font class="comment">// Edge test</font>
00764 oversample=<a class="code" href="classNL3D_1_1CZoneLighter.html#c13">isLumelOnEdgeMustBeOversample</a> (patch, 2, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, binded, oversampleEdges, locator, shadowed, <a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>);
00765 }
00766 <font class="keywordflow">else</font>
00767 {
00768 <font class="comment">// Internal test</font>
00769 oversample=(shadowed!=shadowPatch[(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+1)+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*orderLumelS]);
00770 }
00771
00772 <font class="comment">// Top..</font>
00773 <font class="keywordflow">if</font> (!oversample)
00774 {
00775 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>==0)
00776 {
00777 <font class="comment">// Edge test</font>
00778 oversample=<a class="code" href="classNL3D_1_1CZoneLighter.html#c13">isLumelOnEdgeMustBeOversample</a> (patch, 3, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, binded, oversampleEdges, locator, shadowed, <a class="code" href="classNL3D_1_1CZoneLighter.html#o8">_ShadowArray</a>);
00779 }
00780 <font class="keywordflow">else</font>
00781 {
00782 <font class="comment">// Internal test</font>
00783 oversample=(shadowed!=shadowPatch[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>-1)*orderLumelS]);
00784 }
00785 }
00786 }
00787 }
00788
00789 <font class="comment">// Must oversample ?</font>
00790 <font class="keywordflow">if</font> (oversample)
00791 {
00792 <font class="comment">// LumelId</font>
00793 uint lumel=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*orderLumelS;
00794
00795 <font class="comment">// Lighting</font>
00796 <font class="keywordtype">float</font> factor=0;
00797
00798 <font class="comment">// Number of ray clipped</font>
00799 uint tested=0;
00800
00801 <font class="comment">// For each triangle</font>
00802 CTriangleList *list=lumels[lumel].TriangleList;
00803 <font class="keywordflow">while</font> (list!=NULL)
00804 {
00805 <font class="comment">// Raytrace this triangle </font>
00806 <a class="code" href="classNL3D_1_1CZoneLighter.html#c11">rayTraceTriangle</a> (list->Triangle, lumels[lumel].Normal, description.Oversampling, lumels[lumel].S, lumels[lumel].T, factor, tested, patch);
00807
00808 <font class="comment">// Next triangle</font>
00809 list=list->Next;
00810 }
00811
00812 <font class="comment">// Set new shadow value</font>
00813 <a class="code" href="debug_8h.html#a6">nlassert</a> (tested!=0);
00814 <font class="keywordflow">if</font> (tested!=0)
00815 patchInfo.Lumels[lumel]=(uint)(255.f*factor/(float)tested);
00816 }
00817 }
00818 }
00819
00820 <font class="comment">// *** Lighting</font>
00821
00822 <font class="comment">// Get the patch info</font>
00823 CPatchInfo &patchInfo=<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[patch];
00824
00825 <font class="comment">// ** Pointer on arries</font>
00826 std::vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch];
00827
00828 <font class="comment">// Go for light each lumel</font>
00829 <font class="keywordflow">for</font> (uint lumel=0; lumel<lumels.size(); lumel++)
00830 {
00831 <font class="comment">// Sky contribution</font>
00832 <font class="keywordtype">float</font> skyContribution;
00833
00834 <font class="keywordflow">if</font> (description.SkyContribution)
00835 {
00836 skyContribution = <a class="code" href="classNL3D_1_1CZoneLighter.html#c7">getSkyContribution</a>(lumels[lumel].Position, lumels[lumel].Normal, description.SkyIntensity);
00837 }
00838 <font class="keywordflow">else</font>
00839 {
00840 skyContribution = 0.f;
00841 }
00842
00843 <font class="comment">// Sun contribution</font>
00844 <font class="keywordtype">float</font> sunContribution;
00845 <font class="keywordflow">if</font> (description.SunContribution)
00846 {
00847 sunContribution=(-lumels[lumel].Normal*<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>)-skyContribution;
00848 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (sunContribution, 0.f, 1.f);
00849 }
00850 <font class="keywordflow">else</font>
00851 sunContribution=0;
00852
00853 <font class="comment">// Final lighting</font>
00854 sint finalLighting=(sint)(255.f*(((float)patchInfo.Lumels[lumel])*sunContribution/255.f+skyContribution));
00855 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (finalLighting, 0, 255);
00856 patchInfo.Lumels[lumel]=finalLighting;
00857 }
00858
00859 <font class="comment">// Next patch</font>
00860 patch = <a class="code" href="classNL3D_1_1CZoneLighter.html#c21">getAPatch</a> (process);
00861 }
00862 }
00863
00864 <font class="comment">// ***************************************************************************</font>
00865
<a name="l00866"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c8">00866</a> uint8 CZoneLighter::getMaxPhi (sint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, sint deltaS, sint deltaT, <font class="keywordtype">float</font> heightPos)<font class="keyword"> const</font>
00867 <font class="keyword"></font>{
00868 <font class="comment">// Start position</font>
00869 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+=deltaS;
00870 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+=deltaT;
00871
00872 <font class="comment">// Distance increment</font>
00873 <font class="keywordtype">float</font> stepDistance=CVector (deltaS*<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>, deltaT*<a class="code" href="classNL3D_1_1CZoneLighter.html#o22">_HeightfieldCellSize</a>,0).norm ();
00874
00875 <font class="comment">// Current distance</font>
00876 <font class="keywordtype">float</font> distance=stepDistance;
00877
00878 <font class="comment">// Max height</font>
00879 <font class="keywordtype">float</font> maxHeight=0;
00880 <font class="keywordtype">float</font> maxTanTeta=0;
00881
00882 <font class="comment">// For all the line</font>
00883 <font class="keywordflow">while</font> ((s<_HeightFieldCellCount)&&(t<_HeightFieldCellCount)&&(s>=0)&&(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>>=0))
00884 {
00885 <font class="comment">// Get height</font>
00886 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>=<a class="code" href="classNL3D_1_1CZoneLighter.html#o19">_HeightField</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*<a class="code" href="classNL3D_1_1CZoneLighter.html#o20">_HeightFieldCellCount</a>];
00887 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-=heightPos;
00888
00889 <font class="comment">// Better ?</font>
00890 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>>maxHeight)
00891 {
00892 <font class="comment">// Calc sin teta</font>
00893 <font class="keywordtype">float</font> tanTeta=<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>/distance;
00894 <a class="code" href="debug_8h.html#a6">nlassert</a> (tanTeta>=0);
00895
00896 <font class="comment">// Better ?</font>
00897 <font class="keywordflow">if</font> (tanTeta>maxTanTeta)
00898 {
00899 <font class="comment">// New max height</font>
00900 maxHeight=<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
00901 maxTanTeta=tanTeta;
00902 }
00903 }
00904 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+=deltaS;
00905 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+=deltaT;
00906 distance+=stepDistance;
00907 }
00908
00909 <font class="comment">// return phi</font>
00910 <font class="keywordtype">float</font> teta=(float)atan (maxTanTeta);
00911 <a class="code" href="debug_8h.html#a6">nlassert</a> (teta>=0);
00912 <a class="code" href="debug_8h.html#a6">nlassert</a> (teta<=<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/2);
00913 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (teta, 0.f, (<font class="keywordtype">float</font>)<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/2);
00914 sint <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>=(sint)((<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/2-teta)*256/(<a class="code" href="namespaceNLMISC.html#a7">Pi</a>/2));
00915 <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>, 0, 255);
00916 <font class="keywordflow">return</font> (uint8)<a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00917 }
00918
00919 <font class="comment">// ***************************************************************************</font>
00920
<a name="l00921"></a><a class="code" href="zone__lighter_8cpp.html#a1">00921</a> <font class="preprocessor">#define AllFront 0</font>
<a name="l00922"></a><a class="code" href="zone__lighter_8cpp.html#a2">00922</a> <font class="preprocessor"></font><font class="preprocessor">#define AllBack 1</font>
<a name="l00923"></a><a class="code" href="zone__lighter_8cpp.html#a3">00923</a> <font class="preprocessor"></font><font class="preprocessor">#define Clipped 2</font>
00924 <font class="preprocessor"></font>
00925 <font class="comment">// ***************************************************************************</font>
00926
<a name="l00927"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c12">00927</a> <font class="keywordtype">void</font> CZoneLighter::testRaytrace (<font class="keyword">const</font> CVector& position, <font class="keyword">const</font> CVector& normal, <font class="keyword">const</font> CPlane &plane, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, uint patchId, CMultiShape &shape, CMultiShape &shapeTmp, uint cpu)
00928 {
00929 <font class="comment">// Clear the selection of the quad tree</font>
00930 <a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].clearSelection ();
00931
00932 <font class="comment">// Light position</font>
00933 CVector lightPos=position-(<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>*1000.f);
00934
00935 <font class="comment">// Select an element with the X axis as a 3d ray</font>
00936 <a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].select (lightPos-<a class="code" href="classNL3D_1_1CZoneLighter.html#o2">_RayAdd</a>, lightPos+<a class="code" href="classNL3D_1_1CZoneLighter.html#o2">_RayAdd</a>);
00937
00938 <font class="comment">// Tmp</font>
00939 CShape back;
00940 CShape front;
00941 CShape copy;
00942
00943 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
00944 <font class="preprocessor"></font>
00945 <font class="comment">// Vector unit</font>
00946 <font class="keywordtype">float</font> unit=2*<a class="code" href="classNL3D_1_1CZoneLighter.html#o17">_ShapeRadius</a>;
00947
00948 <font class="comment">// Make a scale matrix</font>
00949 CMatrix lumelScale;
00950 lumelScale.identity ();
00951 lumelScale.scale (unit);
00952
00953 <font class="comment">// Get the ray basis</font>
00954 CMatrix lumelBasis=<a class="code" href="classNL3D_1_1CZoneLighter.html#o1">_RayBasis</a>*lumelScale;
00955
00956 <font class="comment">// Change origine in the top left corner</font>
00957 lumelBasis.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_6">setPos</a> (position-lumelBasis.getI()/2-lumelBasis.getJ()/2);
00958
00959 <font class="comment">// Inverse this matrix</font>
00960 lumelBasis.invert ();
00961
00962 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
00963 <font class="preprocessor"></font>
00964 <font class="comment">// For each triangle selected</font>
00965 CQuadGrid<const CTriangle*>::CIterator it=<a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].begin();
00966 <font class="keywordflow">while</font> (it!=<a class="code" href="classNL3D_1_1CZoneLighter.html#o0">_QuadGrid</a>[cpu].end())
00967 {
00968 <font class="comment">// Source vector</font>
00969 CVector source=position;
00970
00971 <font class="comment">// Same triangle ?</font>
00972 <font class="keywordflow">if</font> (
00973 ((*it)->PatchId==patchId)&&
00974 ((*it)->ZoneId==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)&&
00975 ((*it)->StartS<=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>)&&
00976 ((*it)->StartT<=<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>)&&
00977 ((*it)->EndS>=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>)&&
00978 ((*it)->EndT>=<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>)
00979 )
00980 source+=(normal*<a class="code" href="classNL3D_1_1CZoneLighter.html#o6">_ShadowBias</a>);
00981
00982 <font class="comment">// Blur ?</font>
00983 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CZoneLighter.html#o7">_Softshadow</a>)
00984 {
00985 <font class="comment">// Hit position</font>
00986 CVector hit;
00987
00988 <font class="comment">// Intersect</font>
00989 <font class="keywordflow">if</font> ((*it)->Triangle.intersect (source, lightPos, hit, (*it)->Plane))
00990 {
00991 <font class="comment">// Clear the shape list</font>
00992 shape.Shapes.resize (0);
00993 <font class="keywordflow">break</font>;
00994 }
00995 }
00996 <font class="keywordflow">else</font>
00997 {
00998 <font class="comment">// Triangle clippable ?</font>
00999 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> &triangle=(*it)->Triangle;
01000
01001 <font class="comment">// Clip the ray over the triangle</font>
01002 <font class="keywordtype">float</font> edgeFactor[3]=
01003 {
01004 ((((triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m0">V0</a>+triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m1">V1</a>)/2) - source)*-<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o18">_FallofDistance</a>,
01005 ((((triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m1">V1</a>+triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m2">V2</a>)/2) - source)*-<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o18">_FallofDistance</a>,
01006 ((((triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m2">V2</a>+triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m0">V0</a>)/2) - source)*-<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>)/<a class="code" href="classNL3D_1_1CZoneLighter.html#o18">_FallofDistance</a>,
01007 };
01008 <font class="keywordtype">float</font> oOEdgeFactor[3];
01009 <font class="keywordtype">bool</font> scaleEdge[3];
01010 uint edgeFlags[3];
01011 <font class="keywordtype">bool</font> oneNotBack=<font class="keyword">false</font>;
01012 uint i;
01013 <font class="keywordflow">for</font> (i=0; i<3; i++)
01014 {
01015 <font class="comment">// Edge factor</font>
01016 <font class="keywordflow">if</font> (edgeFactor[i]<0)
01017 <font class="comment">// Polygon behing</font>
01018 <font class="keywordflow">break</font>;
01019 <font class="keywordflow">if</font> (edgeFactor[i]>1)
01020 {
01021 scaleEdge[i]=<font class="keyword">false</font>;
01022 edgeFactor[i]=1;
01023 }
01024 <font class="keywordflow">else</font>
01025 {
01026 scaleEdge[i]=<font class="keyword">true</font>;
01027 oOEdgeFactor[i]=1/edgeFactor[i];
01028 }
01029
01030 <font class="comment">// Distance from clipping plane</font>
01031 <font class="keywordtype">float</font> distance=(*it)->ClippingPlanes[i]*source;
01032
01033 <font class="comment">// Clipping distance</font>
01034 <font class="keywordtype">float</font> clipDist=edgeFactor[i]*<a class="code" href="classNL3D_1_1CZoneLighter.html#o17">_ShapeRadius</a>;
01035
01036 <font class="comment">// Clip this distance</font>
01037 <font class="keywordflow">if</font> (distance<-clipDist)
01038 {
01039 <font class="comment">// Back</font>
01040 edgeFlags[i]=<a class="code" href="zone__lighter_8cpp.html#a2">AllBack</a>;
01041 }
01042 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (distance>clipDist)
01043 <font class="comment">// Front</font>
01044 <font class="keywordflow">break</font>;
01045 <font class="keywordflow">else</font>
01046 {
01047 <font class="comment">// Clipped</font>
01048 edgeFlags[i]=<a class="code" href="zone__lighter_8cpp.html#a3">Clipped</a>;
01049 oneNotBack=<font class="keyword">true</font>;
01050 }
01051 }
01052
01053 <font class="comment">// Not front clipped</font>
01054 <font class="keywordflow">if</font> (i==3)
01055 {
01056 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
01057 <font class="preprocessor"></font> <font class="comment">// Transform this triangle in lumel basis</font>
01058 CVector <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[3] = { lumelBasis*triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m0">V0</a>, lumelBasis*triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m1">V1</a>, lumelBasis*triangle.<a class="code" href="classNLMISC_1_1CTriangle.html#m2">V2</a> };
01059
01060 <font class="comment">// Draw the triangle</font>
01061 drv->drawTriangle (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[0].<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[0].<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[1].<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[1].<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[2].<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[2].<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, CRGBA(0, 0, 0, 2));
01062 drv->drawTriangle (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[0].<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[0].<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[2].<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[2].<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[1].<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>[1].<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, CRGBA(0, 0, 0, 2));
01063
01064 <font class="preprocessor">#else // HARDWARE_SOFT_SHADOWS</font>
01065 <font class="preprocessor"></font> <font class="comment">// All back ?</font>
01066 <font class="keywordflow">if</font> (oneNotBack)
01067 {
01068 uint backupSize=shape.Shapes.size();
01069 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><backupSize; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>++)
01070 {
01071 <font class="comment">// Reset out list</font>
01072 shapeTmp.Shapes.resize (0);
01073 back = shape.Shapes[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>];
01074
01075 <font class="comment">// Clip this shape with the triangle (3 planes)</font>
01076 <font class="keywordflow">for</font> (i=0; i<3; i++)
01077 {
01078 <font class="comment">// All back ?</font>
01079 <font class="keywordflow">if</font> (edgeFlags[i]==<a class="code" href="zone__lighter_8cpp.html#a2">AllBack</a>)
01080 <font class="comment">// Yes, next</font>
01081 <font class="keywordflow">continue</font>;
01082
01083 <font class="comment">// Security</font>
01084 <font class="keywordflow">if</font> (back.NumVertex > (<a class="code" href="zone__lighter_8h.html#a0">SHAPE_VERTICES_MAX</a>-10) )
01085 <font class="keywordflow">break</font>;
01086
01087 <font class="comment">// Scale down this shape</font>
01088 <font class="keywordflow">if</font> (scaleEdge[i])
01089 back.scale (source, edgeFactor[i]);
01090
01091 <font class="comment">// Copy the back buffer</font>
01092 copy=back;
01093
01094 <font class="comment">// Clipping plane</font>
01095 <font class="keyword">const</font> CPlane &clippingPlane=(*it)->ClippingPlanes[i];
01096
01097 <font class="comment">// Reset back and front</font>
01098 back.NumVertex=0;
01099 front.NumVertex=0;
01100
01101 <font class="comment">// Clip</font>
01102 <font class="keywordflow">if</font>(copy.NumVertex>2)
01103 {
01104 <font class="comment">// Previous vertex</font>
01105 uint prev=copy.NumVertex-1;
01106
01107 <font class="comment">// Previous front ?</font>
01108 <font class="keywordtype">bool</font> previousFront=(clippingPlane*copy.Vertices[prev] >= 0);
01109
01110 <font class="comment">// For each vertex</font>
01111 <font class="keywordflow">for</font> (uint cur=0;cur<copy.NumVertex;cur++)
01112 {
01113 <font class="comment">// Current vertex front ?</font>
01114 <font class="keywordtype">bool</font> currentFront=(clippingPlane*copy.Vertices[cur] >= 0);
01115 <font class="keywordflow">if</font> ( currentFront )
01116 {
01117 <font class="comment">// Previous vertex back ?</font>
01118 <font class="keywordflow">if</font> ( !previousFront )
01119 {
01120 <font class="comment">// Ok, intersect</font>
01121 front.Vertices[front.NumVertex]= clippingPlane.intersect(copy.Vertices[prev],copy.Vertices[cur]);
01122 back.Vertices[back.NumVertex++]= front.Vertices[front.NumVertex];
01123 front.NumVertex++;
01124 }
01125 <font class="comment">// Store new vertex front</font>
01126 front.Vertices[front.NumVertex++]=copy.Vertices[cur];
01127 }
01128 <font class="keywordflow">else</font>
01129 {
01130 <font class="comment">// Previous vertex front ?</font>
01131 <font class="keywordflow">if</font> ( previousFront )
01132 {
01133 front.Vertices[front.NumVertex]= clippingPlane.intersect(copy.Vertices[prev],copy.Vertices[cur]);
01134 back.Vertices[back.NumVertex++]= front.Vertices[front.NumVertex];
01135 front.NumVertex++;
01136 }
01137 back.Vertices[back.NumVertex++]=copy.Vertices[cur];
01138 }
01139 prev=cur;
01140 previousFront=currentFront;
01141 }
01142 }
01143
01144 <font class="comment">// Scale up this shape</font>
01145 <font class="keywordflow">if</font> (scaleEdge[i])
01146 {
01147 back.scale (source, oOEdgeFactor[i]);
01148 front.scale (source, oOEdgeFactor[i]);
01149 }
01150
01151 <font class="comment">// Some vertices front ?</font>
01152 <font class="keywordflow">if</font> (front.NumVertex!=0)
01153 {
01154 <font class="comment">// Front vertices ?</font>
01155 <font class="keywordflow">if</font> (back.NumVertex==0)
01156 <font class="comment">// Nothing else to clip</font>
01157 <font class="keywordflow">break</font>;
01158 }
01159 <font class="keywordflow">else</font>
01160 {
01161 <font class="comment">// All vertices are back</font>
01162 <font class="comment">// Pass entire triangle to next plane</font>
01163 <font class="keywordflow">continue</font>;
01164 }
01165
01166 <font class="comment">// Code is clipped</font>
01167 <font class="comment">// res is the front shape, so it is out</font>
01168 <font class="comment">// Last plane ?</font>
01169 shapeTmp.Shapes.push_back (front);
01170 }
01171 <font class="keywordflow">if</font> (i==3)
01172 {
01173 <font class="comment">// Merge list..</font>
01174 <font class="keywordflow">if</font> (shapeTmp.Shapes.empty())
01175 {
01176 <font class="comment">// Erase this entry</font>
01177 shape.Shapes[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>].NumVertex=0;
01178 }
01179 <font class="keywordflow">else</font>
01180 {
01181 <font class="comment">// Copy first element</font>
01182 shape.Shapes[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>]=shapeTmp.Shapes[0];
01183
01184 <font class="comment">// Insert others</font>
01185 uint size=shapeTmp.Shapes.size();
01186 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=1; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><size; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>++)
01187 {
01188 <font class="comment">// Append new shapes</font>
01189 shape.Shapes.push_back (shapeTmp.Shapes[<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>]);
01190 }
01191 }
01192 }
01193 }
01194 }
01195 <font class="keywordflow">else</font>
01196 {
01197 <font class="comment">// Clear all the ray</font>
01198 shape.Shapes.resize (0);
01199 }
01200 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
01201 <font class="preprocessor"></font> }
01202 }
01203
01204 <font class="comment">// Next</font>
01205 it++;
01206 }
01207 }
01208
01209 <font class="comment">// ***************************************************************************</font>
01210
<a name="l01211"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c9">01211</a> <font class="keywordtype">void</font> CZoneLighter::rayTrace (<font class="keyword">const</font> CVector& position, <font class="keyword">const</font> CVector& normal, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, uint patchId, <font class="keywordtype">float</font> &factor, CMultiShape &shape, CMultiShape &shapeTmp, uint cpu)
01212 {
01213 <font class="comment">// Resize the shape list</font>
01214 shape.Shapes.resize (1);
01215
01216 <font class="comment">// Ref on the cshape</font>
01217 CShape &shp=shape.Shapes[0];
01218
01219 <font class="comment">// Copy the shape</font>
01220 shp=<a class="code" href="classNL3D_1_1CZoneLighter.html#o15">_Shape</a>;
01221
01222 <font class="comment">// Translate the shape</font>
01223 sint j;
01224 <font class="keywordflow">for</font> (j=0; j<(sint)shp.NumVertex; j++)
01225 {
01226 shp.<a class="code" href="classNL3D_1_1CZoneLighter_1_1CShape.html#m1">Vertices</a>[j]+=position;
01227 }
01228
01229 <font class="comment">// Build a clipping plane</font>
01230 CPlane plane;
01231 plane.make (-<a class="code" href="classNL3D_1_1CZoneLighter.html#o3">_LightDirection</a>, position);
01232
01233 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
01234 <font class="preprocessor"></font>
01235 <font class="comment">// Clear all pixels in green</font>
01236 drv->clearRGBABuffer (CRGBA (0, 255, 0, 0));
01237
01238 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
01239 <font class="preprocessor"></font>
01240 <font class="comment">// Go!</font>
01241 <a class="code" href="classNL3D_1_1CZoneLighter.html#c12">testRaytrace</a> (position, normal, plane, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, patchId, shape, shapeTmp, cpu);
01242
01243 <font class="preprocessor">#ifdef HARDWARE_SOFT_SHADOWS</font>
01244 <font class="preprocessor"></font>
01245 <font class="comment">// Download frame buffer</font>
01246 <font class="keyword">static</font> CBitmap bitmap;
01247 drv->getBufferPart (bitmap, CRect (0, 0, LIGHT_BUFFER_SIZE, LIGHT_BUFFER_SIZE));
01248 <a class="code" href="debug_8h.html#a6">nlassert</a> (bitmap.getWidth()==LIGHT_BUFFER_SIZE);
01249 <a class="code" href="debug_8h.html#a6">nlassert</a> (bitmap.getHeight()==LIGHT_BUFFER_SIZE);
01250
01251 <font class="comment">// Pixels</font>
01252 bitmap.convertToType (CBitmap::RGBA);
01253
01254 <font class="comment">// RGBA pointer</font>
01255 CRGBA *pixels=(CRGBA*)&bitmap.getPixels ()[0];
01256
01257 <font class="comment">// Average pixel</font>
01258 factor=0;
01259 <font class="keywordflow">for</font> (uint p=0; p<LIGHT_BUFFER_SIZE*LIGHT_BUFFER_SIZE; p++)
01260 {
01261 factor+=pixels[p].G;
01262 }
01263 factor/=(float)(255*LIGHT_BUFFER_SIZE*LIGHT_BUFFER_SIZE);
01264
01265 <font class="preprocessor">#else // HARDWARE_SOFT_SHADOWS</font>
01266 <font class="preprocessor"></font> <font class="comment">// Calc the surface ratio</font>
01267 uint size=shape.Shapes.size();
01268 <font class="keywordflow">for</font> (uint i=0; i<size; i++)
01269 {
01270 <font class="comment">// For each shape</font>
01271 CShape &vect=shape.Shapes[i];
01272
01273 <font class="keywordflow">for</font> (j=1; j<(sint)vect.NumVertex-1; j++)
01274 {
01275 <font class="comment">// Sum the area</font>
01276 factor+=((vect.Vertices[j]-vect.Vertices[0])^(vect.Vertices[j+1]-vect.Vertices[0])).norm();
01277 }
01278 }
01279
01280 factor/=<a class="code" href="classNL3D_1_1CZoneLighter.html#o16">_ShapeArea</a>;
01281 <font class="preprocessor">#endif // HARDWARE_SOFT_SHADOWS</font>
01282 <font class="preprocessor"></font>}
01283
01284 <font class="comment">// ***************************************************************************</font>
01285
<a name="l01286"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c11">01286</a> <font class="keywordtype">void</font> CZoneLighter::rayTraceTriangle (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a>& toOverSample, CVector& normal, uint order, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <font class="keywordtype">float</font> &factor, uint &tested, uint patch)
01287 {
01288 <font class="comment">// Ok ?</font>
01289 <font class="keywordflow">if</font> (order==0)
01290 {
01291 <font class="comment">// Ray !</font>
01292 tested++;
01293 <font class="comment">//rayTrace (-_LightDirection+(toOverSample.V0+toOverSample.V1+toOverSample.V2)/3, normal, s, t, patch, factor);</font>
01294 }
01295 <font class="keywordflow">else</font>
01296 {
01297 <font class="comment">// Subdivide the triangle</font>
01298 CVector v0V1=toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m0">V0</a>;
01299 v0V1+=toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m1">V1</a>;
01300 v0V1/=2;
01301 CVector v0V2=toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m0">V0</a>;
01302 v0V2+=toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m2">V2</a>;
01303 v0V2/=2;
01304 CVector v1V2=toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m1">V1</a>;
01305 v1V2+=toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m2">V2</a>;
01306 v1V2/=2;
01307 <a class="code" href="classNL3D_1_1CZoneLighter.html#c11">rayTraceTriangle</a> (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m0">V0</a>, v0V1, v0V2), normal, order-1, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, factor, tested, patch);
01308 <a class="code" href="classNL3D_1_1CZoneLighter.html#c11">rayTraceTriangle</a> (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m1">V1</a>, v1V2, v0V1), normal, order-1, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, factor, tested, patch);
01309 <a class="code" href="classNL3D_1_1CZoneLighter.html#c11">rayTraceTriangle</a> (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (toOverSample.<a class="code" href="classNLMISC_1_1CTriangle.html#m2">V2</a>, v0V2, v1V2), normal, order-1, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, factor, tested, patch);
01310 <a class="code" href="classNL3D_1_1CZoneLighter.html#c11">rayTraceTriangle</a> (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0V1, v1V2, v0V2), normal, order-1, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, factor, tested, patch);
01311 }
01312 }
01313
01314 <font class="comment">// ***************************************************************************</font>
01315
<a name="l01316"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c13">01316</a> <font class="keywordtype">bool</font> CZoneLighter::isLumelOnEdgeMustBeOversample (uint patch, uint edge, sint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <font class="keyword">const</font> vector<bool> &binded,
01317 <font class="keyword">const</font> vector<bool> &oversampleEdges, vector<CPatchUVLocator> &locator,
01318 uint8 shadowed, vector<vector<uint8> >& shadowBuffer)
01319 {
01320 <font class="comment">// Must force oversampling of this edge ?</font>
01321 <font class="keywordflow">if</font> (oversampleEdges[edge])
01322 <font class="keywordflow">return</font> <font class="keyword">true</font>;
01323 <font class="keywordflow">else</font>
01324 {
01325 <font class="comment">// binded ?</font>
01326 <font class="keywordflow">if</font> (binded[edge])
01327 {
01328 <font class="comment">// Lumel coord</font>
01329 CVector2f lumelCoord (((<font class="keywordtype">float</font>)(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="classNL3D_1_1CZoneLighter.html#r0">_GetNormalDeltaS</a>[edge])+0.5f)/4.f, ((<font class="keywordtype">float</font>)(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+<a class="code" href="classNL3D_1_1CZoneLighter.html#r1">_GetNormalDeltaT</a>[edge])+0.5f)/4.f);
01330 uint otherPatch=locator[edge].selectPatch(lumelCoord);
01331
01332 <font class="comment">// Get uv</font>
01333 CVector2f neighborUV;
01334 CPatch *patchOut;
01335 locator[edge].locateUV (lumelCoord, otherPatch, patchOut, neighborUV);
01336
01337 <font class="comment">// Is the same shadowed flag ?</font>
01338 sint ss=(sint)(neighborUV.x*4.f);
01339 sint tt=(sint)(neighborUV.y*4.f);
01340 <font class="keywordflow">return</font> (shadowBuffer[patchOut->getPatchId()][ss+(patchOut->getOrderS()<<2)*tt]!=shadowed);
01341 }
01342 <font class="keywordflow">else</font>
01343 {
01344 <font class="comment">// Not oversample if not binded</font>
01345 <font class="keywordflow">return</font> <font class="keyword">false</font>;
01346 }
01347 }
01348 }
01349
01350 <font class="comment">// ***************************************************************************</font>
01351
<a name="l01352"></a><a class="code" href="zone__lighter_8cpp.html#a8">01352</a> <font class="keywordtype">float</font> <a class="code" href="zone__lighter_8cpp.html#a8">easineasout</a>(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)
01353 {
01354 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01355 <font class="comment">// cubic tq f(0)=0, f'(0)=0, f(1)=1, f'(1)=0.</font>
01356 <font class="keywordtype">float</font> x2=<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
01357 <font class="keywordtype">float</font> x3=x2*<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
01358 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= -2*x3 + 3*x2;
01359 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01360 }
01361
01362 <font class="comment">// ***************************************************************************</font>
01363
<a name="l01364"></a><a class="code" href="zone__lighter_8cpp.html#a9">01364</a> <font class="keywordtype">float</font> <a class="code" href="zone__lighter_8cpp.html#a9">easineasoutC2</a>(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)
01365 {
01366 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01367 <font class="comment">// 5-nome tq f(0)=0, f'(0)=0, f''(0)=0, f(1)=1, f'(1)=0, f''(1)=0.</font>
01368 <font class="keywordtype">float</font> x3=<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
01369 <font class="keywordtype">float</font> x4=x3*<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
01370 <font class="keywordtype">float</font> x5=x4*<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
01371 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= 6*x5 -15*x4 +10*x3;
01372 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01373 }
01374
01375 <font class="comment">// ***************************************************************************</font>
01376
01377
<a name="l01378"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#r0">01378</a> sint16 CZoneLighter::_GetNormalDeltaS[4]={ -1, 0, 1, 0 };
<a name="l01379"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#r1">01379</a> sint16 CZoneLighter::_GetNormalDeltaT[4]={ 0, 1, 0, -1 };
01380
01381 <font class="comment">// ***************************************************************************</font>
01382
<a name="l01383"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c10">01383</a> <font class="keywordtype">void</font> CZoneLighter::getNormal (<font class="keyword">const</font> CPatch *pPatch, sint16 lumelS, sint16 lumelT, vector<CPatchUVLocator> &locator,
01384 <font class="keyword">const</font> vector<CPatch::CBindInfo> &bindInfo, <font class="keyword">const</font> vector<bool> &binded, set<uint64>& visited,
01385 <font class="keywordtype">float</font> deltaS, <font class="keywordtype">float</font> deltaT, uint rotation, <font class="keyword">const</font> CBezierPatch &bezierPatch, uint lastEdge)
01386 {
01387 <font class="comment">// Build a desc srructure</font>
01388 uint64 <a class="code" href="driver__opengl__extension__def_8h.html#a356">id</a>=(uint64)lumelS|(((uint64)lumelT)<<16)|(((uint64)pPatch->getPatchId())<<32)|(((uint64)pPatch->getZone()->getZoneId())<<48);
01389
01390 <font class="comment">// Insert it</font>
01391 <font class="keywordflow">if</font> (visited.insert (id).second)
01392 {
01393 <font class="comment">// Clip</font>
01394 <font class="keywordtype">float</font> sqDist=deltaS*deltaS+deltaT*deltaT;
01395 <font class="keywordflow">if</font> ( sqDist < 1 )
01396 {
01397 <font class="comment">// Continue...</font>
01398
01399 sint orderSx4=pPatch->getOrderS()<<2;
01400 sint orderTx4=pPatch->getOrderT()<<2;
01401
01402 sint16 _GetNormalBorderS[4]={ 0, -10, 1, -10 };
01403 sint16 _GetNormalBorderT[4]={ -10, 1, -10, 0 };
01404 _GetNormalBorderS[2]=orderSx4-1;
01405 _GetNormalBorderT[1]=orderTx4-1;
01406
01407 <font class="comment">// Add normal</font>
01408 <a class="code" href="classNL3D_1_1CZoneLighter.html#o33">_GetNormalNormal</a>+=bezierPatch.evalNormal ( ((<font class="keywordtype">float</font>)lumelS+0.5f)/(<font class="keywordtype">float</font>)orderSx4, ((<font class="keywordtype">float</font>)lumelT+0.5f)/(<font class="keywordtype">float</font>)orderTx4 );
01409
01410 <font class="comment">// For the four neighbors</font>
01411 <font class="keywordflow">for</font> (uint edge=0; edge<4; edge++)
01412 {
01413 <font class="comment">// Not last edge ?</font>
01414 <font class="keywordflow">if</font> (edge!=lastEdge)
01415 {
01416 <font class="comment">// Direction</font>
01417 uint globalDirection=(edge+(4-rotation))&0x3;
01418
01419 <font class="comment">// Neighbor</font>
01420 <font class="keywordflow">if</font> ( (lumelS==_GetNormalBorderS[edge]) || (lumelT==_GetNormalBorderT[edge]) )
01421 {
01422 <font class="comment">// Binded ?</font>
01423 <font class="keywordtype">bool</font> bind=binded[edge];
01424 <font class="keywordtype">bool</font> smooth=pPatch->getSmoothFlag (edge);
01425 <font class="keywordflow">if</font> (bind&&smooth)
01426 {
01427 <font class="comment">// Lumel coord</font>
01428 CVector2f lumelCoord ( ((<font class="keywordtype">float</font>)(lumelS+<a class="code" href="classNL3D_1_1CZoneLighter.html#r0">_GetNormalDeltaS</a>[edge])+0.5f)/4,
01429 ((<font class="keywordtype">float</font>)(lumelT+<a class="code" href="classNL3D_1_1CZoneLighter.html#r1">_GetNormalDeltaT</a>[edge])+0.5f)/4 );
01430
01431 <font class="comment">// Get neighbor pixel</font>
01432 uint otherPatch=locator[edge].selectPatch(lumelCoord);
01433
01434 <font class="comment">// Get uv</font>
01435 CVector2f neighborUV;
01436 CPatch *patchOut;
01437 locator[edge].locateUV (lumelCoord, otherPatch, patchOut, neighborUV);
01438
01439 <font class="comment">// New coordinates</font>
01440 sint16 newLumelS=(sint16)(4.f*neighborUV.x);
01441 sint16 newLumelT=(sint16)(4.f*neighborUV.y);
01442
01443 <font class="comment">// Zone id</font>
01444 uint16 patchId=patchOut->getPatchId();
01445 uint16 zoneId=<a class="code" href="classNL3D_1_1CZoneLighter.html#o31">_ZoneId</a>[patchOut->getZone()->getZoneId ()];
01446
01447 <font class="comment">// Get edge</font>
01448 uint newEdge=0;
01449 uint i;
01450 <font class="keywordflow">for</font> (i=0; i<=(uint)bindInfo[edge].NPatchs; i++)
01451 {
01452 <font class="comment">// Good patch ?</font>
01453 <font class="keywordflow">if</font> (bindInfo[edge].Next[i]==patchOut)
01454 {
01455 <font class="comment">// Get its edge</font>
01456 newEdge=bindInfo[edge].Edge[i];
01457 <font class="keywordflow">break</font>;
01458 }
01459 }
01460
01461 <font class="comment">// Rotation </font>
01462 uint newRotation=(2-edge+rotation+newEdge)&0x3;
01463
01464 <font class="comment">// Must found it</font>
01465 <a class="code" href="debug_8h.html#a6">nlassert</a> (i!=(uint)bindInfo[edge].NPatchs);
01466
01467 <font class="comment">// Get the bezier patch</font>
01468 CBezierPatch &NewBezierPatch=<a class="code" href="classNL3D_1_1CZoneLighter.html#o26">_BezierPatch</a>[zoneId][patchId];
01469
01470 <font class="comment">// Next lumel</font>
01471 <a class="code" href="classNL3D_1_1CZoneLighter.html#c10">getNormal</a> (patchOut, newLumelS, newLumelT, <a class="code" href="classNL3D_1_1CZoneLighter.html#o27">_Locator</a>[zoneId][patchId], <a class="code" href="classNL3D_1_1CZoneLighter.html#o28">_BindInfo</a>[zoneId][patchId],
01472 <a class="code" href="classNL3D_1_1CZoneLighter.html#o29">_Binded</a>[zoneId][patchId], visited, deltaS+<a class="code" href="classNL3D_1_1CZoneLighter.html#r0">_GetNormalDeltaS</a>[globalDirection],
01473 deltaT+<a class="code" href="classNL3D_1_1CZoneLighter.html#r1">_GetNormalDeltaT</a>[globalDirection], newRotation, NewBezierPatch, newEdge);
01474 }
01475 }
01476 <font class="keywordflow">else</font>
01477 {
01478 <font class="comment">// Left internal</font>
01479 <a class="code" href="classNL3D_1_1CZoneLighter.html#c10">getNormal</a> (pPatch, lumelS+<a class="code" href="classNL3D_1_1CZoneLighter.html#r0">_GetNormalDeltaS</a>[edge], lumelT+<a class="code" href="classNL3D_1_1CZoneLighter.html#r1">_GetNormalDeltaT</a>[edge], locator, bindInfo, binded, visited,
01480 deltaS+<a class="code" href="classNL3D_1_1CZoneLighter.html#r0">_GetNormalDeltaS</a>[globalDirection], deltaT+<a class="code" href="classNL3D_1_1CZoneLighter.html#r1">_GetNormalDeltaT</a>[globalDirection], rotation, bezierPatch, (edge+2)&0x3);
01481 }
01482 }
01483 }
01484 }
01485 }
01486 }
01487
01488 <font class="comment">// ***************************************************************************</font>
01489
<a name="l01490"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a4">01490</a> <font class="keywordtype">void</font> CZoneLighter::addTriangles (CLandscape &landscape, vector<uint> &listZone, uint order, std::vector<CTriangle>& triangleArray)
01491 {
01492 <font class="comment">// Set all to refine</font>
01493 <a class="code" href="classNL3D_1_1CZoneLighter.html#c4">excludeAllPatchFromRefineAll</a> (landscape, listZone, <font class="keyword">false</font>);
01494
01495 <font class="comment">// Setup the landscape</font>
01496 landscape.setThreshold (0);
01497 landscape.setTileMaxSubdivision (order);
01498
01499 <font class="comment">// Refine it</font>
01500 landscape.refineAll (CVector (0, 0, 0));
01501
01502 <font class="comment">// Dump tesselated triangles</font>
01503 std::vector<const CTessFace*> leaves;
01504 landscape.getTessellationLeaves(leaves);
01505
01506 <font class="comment">// Number of leaves</font>
01507 uint leavesCount=leaves.size();
01508
01509 <font class="comment">// Reserve the array</font>
01510 triangleArray.reserve (triangleArray.size()+leavesCount);
01511
01512 <font class="comment">// Scan each leaves</font>
01513 <font class="keywordflow">for</font> (uint leave=0; leave<leavesCount; leave++)
01514 {
01515 <font class="comment">// Leave</font>
01516 <font class="keyword">const</font> CTessFace *face=leaves[leave];
01517
01518 <font class="comment">// Start and end coordinate</font>
01519 <font class="keywordtype">float</font> startS=<a class="code" href="bit__set_8cpp.html#a0">min</a> (<a class="code" href="bit__set_8cpp.html#a0">min</a> (face->PVBase.getS(), face->PVLeft.getS()), face->PVRight.getS());
01520 <font class="keywordtype">float</font> endS=max (max (face->PVBase.getS(), face->PVLeft.getS()), face->PVRight.getS());
01521 <font class="keywordtype">float</font> startT=<a class="code" href="bit__set_8cpp.html#a0">min</a> (<a class="code" href="bit__set_8cpp.html#a0">min</a> (face->PVBase.getT(), face->PVLeft.getT()), face->PVRight.getT());
01522 <font class="keywordtype">float</font> endT=max (max (face->PVBase.getT(), face->PVLeft.getT()), face->PVRight.getT());
01523
01524 <font class="comment">// Add a triangle</font>
01525 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (face->VBase->EndPos, face->VLeft->EndPos, face->VRight->EndPos),
01526 face->Patch->getZone()->getZoneId(), face->Patch->getPatchId(), startS ,endS, startT, endT));
01527 }
01528
01529 <font class="comment">// Setup the landscape</font>
01530 landscape.setThreshold (1000);
01531 landscape.setTileMaxSubdivision (0);
01532
01533 <font class="comment">// Remove all triangles</font>
01534 landscape.refineAll (CVector (0, 0, 0));
01535 landscape.refineAll (CVector (0, 0, 0));
01536 landscape.refineAll (CVector (0, 0, 0));
01537 landscape.refineAll (CVector (0, 0, 0));
01538 landscape.refineAll (CVector (0, 0, 0));
01539 landscape.refineAll (CVector (0, 0, 0));
01540 landscape.refineAll (CVector (0, 0, 0));
01541 landscape.refineAll (CVector (0, 0, 0));
01542 landscape.refineAll (CVector (0, 0, 0));
01543 landscape.refineAll (CVector (0, 0, 0));
01544 }
01545
01546 <font class="comment">// ***************************************************************************</font>
01547
<a name="l01548"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a5">01548</a> <font class="keywordtype">void</font> CZoneLighter::addTriangles (<font class="keyword">const</font> IShape &shape, <font class="keyword">const</font> CMatrix& modelMT, std::vector<CTriangle>& triangleArray)
01549 {
01550 <font class="comment">// Cast to CMesh</font>
01551 <font class="keyword">const</font> CMesh *mesh=dynamic_cast<const CMesh*>(&shape);
01552
01553 <font class="comment">// Cast to CMeshMultiLod</font>
01554 <font class="keyword">const</font> CMeshMultiLod *meshMulti=dynamic_cast<const CMeshMultiLod*>(&shape);
01555
01556 <font class="comment">// Cast to CMeshMultiLod</font>
01557 <font class="keyword">const</font> CMeshMRM *meshMRM=dynamic_cast<const CMeshMRM*>(&shape);
01558
01559 <font class="comment">// It is a mesh ?</font>
01560 <font class="keywordflow">if</font> (mesh)
01561 {
01562 <font class="comment">// Add its triangles</font>
01563 <a class="code" href="classNL3D_1_1CZoneLighter.html#a4">addTriangles</a> (mesh->getMeshGeom (), modelMT, triangleArray);
01564 }
01565 <font class="comment">// It is a CMeshMultiLod ?</font>
01566 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (meshMulti)
01567 {
01568 <font class="comment">// Get the first geommesh</font>
01569 <font class="keyword">const</font> IMeshGeom *meshGeom=&meshMulti->getMeshGeom (0);
01570
01571 <font class="comment">// Dynamic cast</font>
01572 <font class="keyword">const</font> CMeshGeom *geomMesh=dynamic_cast<const CMeshGeom*>(meshGeom);
01573 <font class="keywordflow">if</font> (geomMesh)
01574 {
01575 <a class="code" href="classNL3D_1_1CZoneLighter.html#a4">addTriangles</a> (*geomMesh, modelMT, triangleArray);
01576 }
01577
01578 <font class="comment">// Dynamic cast</font>
01579 <font class="keyword">const</font> CMeshMRMGeom *mrmGeomMesh=dynamic_cast<const CMeshMRMGeom*>(meshGeom);
01580 <font class="keywordflow">if</font> (mrmGeomMesh)
01581 {
01582 <a class="code" href="classNL3D_1_1CZoneLighter.html#a4">addTriangles</a> (*mrmGeomMesh, modelMT, triangleArray);
01583 }
01584 }
01585 <font class="comment">// It is a CMeshMultiLod ?</font>
01586 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (meshMRM)
01587 {
01588 <font class="comment">// Get the first lod mesh geom</font>
01589 <a class="code" href="classNL3D_1_1CZoneLighter.html#a4">addTriangles</a> (meshMRM->getMeshGeom (), modelMT, triangleArray);
01590 }
01591 }
01592
01593 <font class="comment">// ***************************************************************************</font>
01594
<a name="l01595"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c0">01595</a> <font class="keywordtype">void</font> CZoneLighter::addTriangles (<font class="keyword">const</font> CMeshGeom &meshGeom, <font class="keyword">const</font> CMatrix& modelMT, std::vector<CTriangle>& triangleArray)
01596 {
01597 <font class="comment">// Get the vertex buffer</font>
01598 <font class="keyword">const</font> CVertexBuffer &vb=meshGeom.getVertexBuffer();
01599
01600 <font class="comment">// For each matrix block</font>
01601 uint numBlock=meshGeom.getNbMatrixBlock();
01602 <font class="keywordflow">for</font> (uint block=0; block<numBlock; block++)
01603 {
01604 <font class="comment">// For each render pass</font>
01605 uint numRenderPass=meshGeom.getNbRdrPass(block);
01606 <font class="keywordflow">for</font> (uint pass=0; pass<numRenderPass; pass++)
01607 {
01608 <font class="comment">// Get the primitive block</font>
01609 <font class="keyword">const</font> CPrimitiveBlock &primitive=meshGeom.getRdrPassPrimitiveBlock ( block, pass);
01610
01611 <font class="comment">// Dump triangles</font>
01612 <font class="keyword">const</font> uint32* triIndex=primitive.getTriPointer ();
01613 uint numTri=primitive.getNumTri ();
01614 uint tri;
01615 <font class="keywordflow">for</font> (tri=0; tri<numTri; tri++)
01616 {
01617 <font class="comment">// Vertex</font>
01618 CVector v0=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*3]));
01619 CVector v1=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*3+1]));
01620 CVector v2=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*3+2]));
01621
01622 <font class="comment">// Make a triangle</font>
01623 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0, v1, v2)));
01624 }
01625
01626 <font class="comment">// Dump quad</font>
01627 triIndex=primitive.getQuadPointer ();
01628 numTri=primitive.getNumQuad ();
01629 <font class="keywordflow">for</font> (tri=0; tri<numTri; tri++)
01630 {
01631 <font class="comment">// Vertex</font>
01632 CVector v0=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4]));
01633 CVector v1=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4+1]));
01634 CVector v2=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4+2]));
01635 CVector v3=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4+3]));
01636
01637 <font class="comment">// Make 2 triangles</font>
01638 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0, v1, v2)));
01639 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0, v2, v3)));
01640 }
01641 }
01642 }
01643 }
01644
01645 <font class="comment">// ***************************************************************************</font>
01646
<a name="l01647"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c1">01647</a> <font class="keywordtype">void</font> CZoneLighter::addTriangles (<font class="keyword">const</font> CMeshMRMGeom &meshGeom, <font class="keyword">const</font> CMatrix& modelMT, std::vector<CTriangle>& triangleArray)
01648 {
01649 <font class="comment">// Get the vertex buffer</font>
01650 <font class="keyword">const</font> CVertexBuffer &vb=meshGeom.getVertexBuffer();
01651
01652 <font class="comment">// For each render pass</font>
01653 uint numRenderPass=meshGeom.getNbRdrPass(0);
01654 <font class="keywordflow">for</font> (uint pass=0; pass<numRenderPass; pass++)
01655 {
01656 <font class="comment">// Get the primitive block</font>
01657 <font class="keyword">const</font> CPrimitiveBlock &primitive=meshGeom.getRdrPassPrimitiveBlock ( 0, pass);
01658
01659 <font class="comment">// Dump triangles</font>
01660 <font class="keyword">const</font> uint32* triIndex=primitive.getTriPointer ();
01661 uint numTri=primitive.getNumTri ();
01662 uint tri;
01663 <font class="keywordflow">for</font> (tri=0; tri<numTri; tri++)
01664 {
01665 <font class="comment">// Vertex</font>
01666 CVector v0=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*3]));
01667 CVector v1=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*3+1]));
01668 CVector v2=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*3+2]));
01669
01670 <font class="comment">// Make a triangle</font>
01671 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0, v1, v2)));
01672 }
01673
01674 <font class="comment">// Dump quad</font>
01675 triIndex=primitive.getQuadPointer ();
01676 numTri=primitive.getNumQuad ();
01677 <font class="keywordflow">for</font> (tri=0; tri<numTri; tri++)
01678 {
01679 <font class="comment">// Vertex</font>
01680 CVector v0=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4]));
01681 CVector v1=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4+1]));
01682 CVector v2=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4+2]));
01683 CVector v3=modelMT*(*(CVector*)vb.getVertexCoordPointer (triIndex[tri*4+3]));
01684
01685 <font class="comment">// Make 2 triangles</font>
01686 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0, v1, v2)));
01687 triangleArray.push_back (CTriangle (<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (v0, v2, v3)));
01688 }
01689 }
01690 }
01691
01692 <font class="comment">// ***************************************************************************</font>
01693
<a name="l01694"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c4">01694</a> <font class="keywordtype">void</font> CZoneLighter::excludeAllPatchFromRefineAll (CLandscape &landscape, vector<uint> &listZone, <font class="keywordtype">bool</font> exclude)
01695 {
01696 <font class="comment">// For each zone</font>
01697 <font class="keywordflow">for</font> (uint zone=0; zone<listZone.size(); zone++)
01698 {
01699 <font class="comment">// Get num patches</font>
01700 uint patchCount=landscape.getZone(listZone[zone])->getNumPatchs();
01701
01702 <font class="comment">// For each patches</font>
01703 <font class="keywordflow">for</font> (uint patch=0; patch<patchCount; patch++)
01704 {
01705 <font class="comment">// Exclude all the patches from refine all</font>
01706 landscape.excludePatchFromRefineAll (listZone[zone], patch, exclude);
01707 }
01708 }
01709 }
01710
01711 <font class="comment">// ***************************************************************************</font>
01712
<a name="l01713"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c3">01713</a> <font class="keywordtype">void</font> CZoneLighter::buildZoneInformation (CLandscape &landscape, <font class="keyword">const</font> vector<uint> &listZone, <font class="keywordtype">bool</font> oversampling, <font class="keyword">const</font> CLightDesc &lightDesc)
01714 {
01715 <font class="comment">// Bool visit</font>
01716 vector<vector<uint> > visited;
01717
01718 <font class="comment">// Zone count</font>
01719 uint zoneCount=listZone.size();
01720
01721 <font class="comment">// Resize arries</font>
01722 <a class="code" href="classNL3D_1_1CZoneLighter.html#o27">_Locator</a>.resize (zoneCount);
01723 <a class="code" href="classNL3D_1_1CZoneLighter.html#o29">_Binded</a>.resize (zoneCount);
01724 <a class="code" href="classNL3D_1_1CZoneLighter.html#o28">_BindInfo</a>.resize (zoneCount);
01725 <a class="code" href="classNL3D_1_1CZoneLighter.html#o26">_BezierPatch</a>.resize (zoneCount);
01726
01727 <font class="comment">// For each zone</font>
01728 <font class="keywordflow">for</font> (uint zone=0; zone<zoneCount; zone++)
01729 {
01730 <font class="comment">// Get num patches</font>
01731 uint patchCount=landscape.getZone(listZone[zone])->getNumPatchs();
01732
01733 <font class="comment">// Insert zone id</font>
01734 <a class="code" href="classNL3D_1_1CZoneLighter.html#o31">_ZoneId</a>.insert (map<uint, uint>::value_type (listZone[zone], zone));
01735
01736 <font class="comment">// This is the zone to light ?</font>
01737 <font class="keywordflow">if</font> (listZone[zone]==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)
01738 {
01739 <font class="comment">// Resize the arraies</font>
01740 <a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>.resize(patchCount);
01741 <font class="comment">// _BezierPatch.resize(patchCount);</font>
01742 <a class="code" href="classNL3D_1_1CZoneLighter.html#o30">_OversampleEdges</a>.resize(patchCount);
01743 visited.resize(patchCount);
01744 }
01745
01746 <font class="comment">// Common arries</font>
01747 <a class="code" href="classNL3D_1_1CZoneLighter.html#o27">_Locator</a>[zone].resize(patchCount);
01748 <a class="code" href="classNL3D_1_1CZoneLighter.html#o29">_Binded</a>[zone].resize(patchCount);
01749 <a class="code" href="classNL3D_1_1CZoneLighter.html#o28">_BindInfo</a>[zone].resize(patchCount);
01750 <a class="code" href="classNL3D_1_1CZoneLighter.html#o26">_BezierPatch</a>[zone].resize(patchCount);
01751
01752 <font class="comment">// For each patch</font>
01753 uint patch;
01754 <font class="keywordflow">for</font> (patch=0; patch<patchCount; patch++)
01755 {
01756 <font class="comment">// Get a patch pointer</font>
01757 <font class="keyword">const</font> CPatch* pPatch=(const_cast<const CZone*>(landscape.getZone(listZone[zone])))->getPatch (patch);
01758
01759 <font class="comment">// Progress bar</font>
01760 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Scan all patches"</font>, (<font class="keywordtype">float</font>)patch/(<font class="keywordtype">float</font>)patchCount);
01761
01762 <font class="comment">// Get pointer on arries</font>
01763 vector<bool> &binded=<a class="code" href="classNL3D_1_1CZoneLighter.html#o29">_Binded</a>[zone][patch];
01764 vector<CPatch::CBindInfo> &bindInfo=<a class="code" href="classNL3D_1_1CZoneLighter.html#o28">_BindInfo</a>[zone][patch];
01765 vector<CPatchUVLocator> &locator=<a class="code" href="classNL3D_1_1CZoneLighter.html#o27">_Locator</a>[zone][patch];
01766 CBezierPatch &bezierPatch=<a class="code" href="classNL3D_1_1CZoneLighter.html#o26">_BezierPatch</a>[zone][patch];
01767 binded.resize (4, <font class="keyword">false</font>);
01768 bindInfo.resize (4);
01769 locator.resize (4);
01770
01771 <font class="comment">// Contruct the patch</font>
01772 bezierPatch=*pPatch->unpackIntoCache();
01773
01774 <font class="comment">// Same zone ?</font>
01775 <font class="keywordflow">if</font> (listZone[zone]==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)
01776 {
01777 <font class="comment">// oversample this edge</font>
01778 <a class="code" href="classNL3D_1_1CZoneLighter.html#o30">_OversampleEdges</a>[patch].resize (4, <font class="keyword">false</font>);
01779 }
01780
01781 <font class="comment">// *** Build bind info</font>
01782
01783 <font class="comment">// *** Build neighboorhood information</font>
01784 uint edge;
01785 <font class="keywordflow">for</font> (edge=0; edge<4; edge++)
01786 {
01787 <font class="comment">// Bond neighbor</font>
01788 pPatch->getBindNeighbor (edge, bindInfo[edge]);
01789
01790 <font class="comment">// Patch binded</font>
01791 <font class="keywordflow">if</font> (bindInfo[edge].NPatchs>0)
01792 {
01793 <font class="comment">// This edeg is binded</font>
01794 binded[edge]=<font class="keyword">true</font>;
01795
01796 <font class="comment">// Same zone ?</font>
01797 <font class="keywordflow">if</font> ((listZone[zone]==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)&&(bindInfo[edge].Zone->getZoneId()!=<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>))
01798 {
01799 <font class="comment">// oversample this edge</font>
01800 <a class="code" href="classNL3D_1_1CZoneLighter.html#o30">_OversampleEdges</a>[patch][edge]=<font class="keyword">true</font>;
01801 }
01802 locator[edge].build (pPatch, edge, bindInfo[edge]);
01803 }
01804 <font class="keywordflow">else</font>
01805 {
01806 <font class="keywordflow">if</font> (listZone[zone]==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)
01807 {
01808 <font class="comment">// oversample this edge</font>
01809 <a class="code" href="classNL3D_1_1CZoneLighter.html#o30">_OversampleEdges</a>[patch][edge]=<font class="keyword">true</font>;
01810 }
01811 }
01812 }
01813
01814 <font class="comment">// This is the zone to light ?</font>
01815 <font class="keywordflow">if</font> (listZone[zone]==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)
01816 {
01817 <font class="comment">// *** Resize lumel array for this patch</font>
01818
01819 <font class="comment">// Get patch order</font>
01820 uint orderS=pPatch->getOrderS();
01821 uint orderT=pPatch->getOrderT();
01822
01823 <font class="comment">// Number of lumels</font>
01824 uint lumelCount=orderS*orderT*16;
01825
01826 <font class="comment">// Resize the lumel descriptor</font>
01827 CLumelDescriptor descriptor;
01828 descriptor.Normal.set (0,0,0);
01829 descriptor.Position.set (0,0,0);
01830 descriptor.S=0;
01831 descriptor.T=0;
01832 <a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch].resize (lumelCount, descriptor);
01833 visited[patch].resize (lumelCount, 0);
01834
01835 <font class="comment">// *** Unexclude this patch</font>
01836
01837 <font class="comment">// Exclude all the patches from refine all</font>
01838 landscape.excludePatchFromRefineAll (listZone[zone], patch, <font class="keyword">false</font>);
01839 }
01840 <font class="keywordflow">else</font>
01841 {
01842 <font class="comment">// Exclude all the patches from refine all</font>
01843 landscape.excludePatchFromRefineAll (listZone[zone], patch, <font class="keyword">true</font>);
01844 }
01845 }
01846 }
01847
01848 <font class="comment">// *** Now tesselate this zone to shadow accuracy</font>
01849
01850 <font class="comment">// Setup the landscape</font>
01851 landscape.setThreshold (0);
01852 landscape.setTileMaxSubdivision (0);
01853
01854 <font class="comment">// Refine all</font>
01855 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Refine landscape to shadow accuracy"</font>, 0.5f);
01856 landscape.refineAll (CVector (0, 0, 0));
01857
01858 <font class="comment">// Get tesselated faces</font>
01859 std::vector<const CTessFace*> leaves;
01860 landscape.getTessellationLeaves(leaves);
01861
01862
01863
01864
01865 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>.size() != 0) <font class="comment">// any water shape in this zone ?</font>
01866 {
01868 <a class="code" href="classNL3D_1_1CZoneLighter.html#c18">makeQuadGridFromWaterShapes</a>(landscape.getZone(_ZoneToLight)->getZoneBB().getAABBox());
01869
01871 <a class="code" href="classNL3D_1_1CZoneLighter.html#c19">computeTileFlagsForPositionTowardWater</a>(lightDesc, leaves);
01872 }
01873 <font class="keywordflow">else</font>
01874 {
01875 <a class="code" href="classNL3D_1_1CZoneLighter.html#c20">setTileFlagsToDefault</a>(leaves);
01876 }
01877
01878
01879 <font class="comment">// Id of this zone in the array</font>
01880 uint zoneNumber=<a class="code" href="classNL3D_1_1CZoneLighter.html#o31">_ZoneId</a>[<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>];
01881
01882 <font class="comment">// Scan each leaves</font>
01883 uint leavesCount=leaves.size();
01884 uint leave;
01885 <font class="keywordflow">for</font> (leave=0; leave<leavesCount; leave++)
01886 {
01887 <font class="comment">// Progress bar</font>
01888 <font class="keywordflow">if</font> ( (leave&0xff) == 0)
01889 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Precompute lumel position"</font>, (<font class="keywordtype">float</font>)leave/(<font class="keywordtype">float</font>)leavesCount);
01890
01891 <font class="comment">// Leave</font>
01892 <font class="keyword">const</font> CTessFace *face=leaves[leave];
01893
01894 <font class="comment">// Get zone id</font>
01895 <font class="keywordflow">if</font> (face->Patch->getZone()->getZoneId()==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)
01896 {
01897 <font class="comment">// Get a patch pointer</font>
01898 <font class="keyword">const</font> CPatch* pPatch=face->Patch;
01899
01900 <font class="comment">// Get order</font>
01901 uint orderS=pPatch->getOrderS();
01902 uint orderT=pPatch->getOrderT();
01903
01904 <font class="comment">// *** Base Coordinates</font>
01905 CVector pos[14];
01906 pos[0]=face->VBase->EndPos; <font class="comment">// p0</font>
01907 pos[1]=face->VRight->EndPos;
01908 pos[2]=face->VLeft->EndPos; <font class="comment">// p2</font>
01909 pos[3]=(pos[1]+pos[2])/2;
01910 pos[4]=(pos[0]+pos[1])/2; <font class="comment">// p4</font>
01911 pos[5]=(pos[0]+pos[2])/2;
01912 pos[6]=(pos[0]+pos[3])/2; <font class="comment">// p6</font>
01913 pos[7]=(pos[2]+pos[3])/2;
01914 pos[8]=(pos[1]+pos[3])/2; <font class="comment">// p8</font>
01915 pos[9]=(pos[0]+pos[4])/2;
01916 pos[10]=(pos[1]+pos[4])/2; <font class="comment">// p10</font>
01917 pos[11]=(pos[0]+pos[5])/2;
01918 pos[12]=(pos[2]+pos[5])/2; <font class="comment">// p12</font>
01919 pos[13]=(pos[3]+pos[5])/2;
01920 pos[14]=(pos[3]+pos[4])/2; <font class="comment">// p14</font>
01921
01922 <font class="keywordtype">float</font> s0=face->PVBase.getS();
01923 <font class="keywordtype">float</font> s1=face->PVRight.getS();
01924 <font class="keywordtype">float</font> s2=face->PVLeft.getS();
01925 <font class="keywordtype">float</font> s3=(s1+s2)/2;
01926 <font class="keywordtype">float</font> s4=(s0+s1)/2;
01927 <font class="keywordtype">float</font> s5=(s0+s2)/2;
01928 <font class="keywordtype">float</font> s6=(s4+s5)/2;
01929 <font class="keywordtype">float</font> s7=(s2+s3)/2;
01930 <font class="keywordtype">float</font> s8=(s1+s3)/2;
01931
01932 <font class="keywordtype">float</font> t0=face->PVBase.getT();
01933 <font class="keywordtype">float</font> t1=face->PVRight.getT();
01934 <font class="keywordtype">float</font> t2=face->PVLeft.getT();
01935 <font class="keywordtype">float</font> t3=(t1+t2)/2;
01936 <font class="keywordtype">float</font> t4=(t0+t1)/2;
01937 <font class="keywordtype">float</font> t5=(t0+t2)/2;
01938 <font class="keywordtype">float</font> t6=(t4+t5)/2;
01939 <font class="keywordtype">float</font> t7=(t2+t3)/2;
01940 <font class="keywordtype">float</font> t8=(t1+t3)/2;
01941
01942 <font class="comment">// *** Interpolated value</font>
01943 CVector interpolatedP[10]=
01944 {
01945 (pos[0]+pos[6])/2,
01946 (pos[4]+pos[6])/2,
01947 (pos[4]+pos[8])/2,
01948 (pos[1]+pos[8])/2,
01949 (pos[5]+pos[6])/2,
01950 (pos[3]+pos[6])/2,
01951 (pos[3]+pos[8])/2,
01952 (pos[5]+pos[7])/2,
01953 (pos[3]+pos[7])/2,
01954 (pos[2]+pos[7])/2,
01955 };
01956
01957 <font class="keywordtype">float</font> interpolatedS[10]=
01958 {
01959 (s0+s6)/2,
01960 (s4+s6)/2,
01961 (s4+s8)/2,
01962 (s1+s8)/2,
01963 (s5+s6)/2,
01964 (s3+s6)/2,
01965 (s3+s8)/2,
01966 (s5+s7)/2,
01967 (s3+s7)/2,
01968 (s2+s7)/2,
01969 };
01970
01971 <font class="keywordtype">float</font> interpolatedT[10]=
01972 {
01973 (t0+t6)/2,
01974 (t4+t6)/2,
01975 (t4+t8)/2,
01976 (t1+t8)/2,
01977 (t5+t6)/2,
01978 (t3+t6)/2,
01979 (t3+t8)/2,
01980 (t5+t7)/2,
01981 (t3+t7)/2,
01982 (t2+t7)/2,
01983 };
01984
01985 <font class="keyword">static</font> sint8 triangle[10][2][3]=
01986 {
01987 {{0, 11, 6}, {0, 6, 9}},
01988 {{9, 6, 4}, {4, 6, 14}},
01989 {{4, 14, 8}, {4, 8, 10}},
01990 {{10, 8, 1}, {-1, -1, -1}},
01991 {{11, 5, 6}, {5, 13, 6}},
01992 {{6, 13, 3}, {6, 3, 14}},
01993 {{3, 8, 14}, {-1, -1, -1}},
01994 {{5, 12, 7}, {5, 7, 13}},
01995 {{7, 3, 13}, {-1, -1, -1}},
01996 {{12, 2, 7}, {-1, -1, -1}}
01997 };
01998
01999 <font class="keywordflow">for</font> (uint i=0; i<10; i++)
02000 {
02001 uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=(uint)((float)orderS*4*interpolatedS[i]);
02002 uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=(uint)((float)orderT*4*interpolatedT[i]);
02003
02004 <font class="comment">/*nlassert (s>=0);</font>
02005 <font class="comment"> nlassert (s<orderS*4);</font>
02006 <font class="comment"> nlassert (t>=0);</font>
02007 <font class="comment"> nlassert (t<orderT*4);*/</font>
02008
02009 <font class="keywordflow">if</font> ((<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>>=0)&&(s<orderS*4)&&(t>=0)&&(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><orderT*4))
02010 {
02011 <font class="comment">// Triangle index</font>
02012 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*orderS*4;
02013
02014 <font class="comment">// Ge tthe patch id</font>
02015 uint patchId=pPatch->getPatchId();
02016
02017 <font class="comment">// Get lumel array</font>
02018 vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patchId];
02019
02020 <font class="comment">// Visited</font>
02021 visited[patchId][<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]++;
02022
02023 <font class="comment">// Position</font>
02024 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].Position+=interpolatedP[i];
02025
02026 <font class="comment">// Triangle</font>
02027 <font class="keywordflow">if</font> (oversampling)
02028 {
02029 <font class="comment">// Triangle list</font>
02030 CTriangleList *next=lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].TriangleList;
02031
02032 <font class="comment">// What triangle ?</font>
02033 uint numTriangle;
02034 <font class="keywordflow">switch</font> (i)
02035 {
02036 <font class="keywordflow">case</font> 3:
02037 <font class="keywordflow">case</font> 6:
02038 <font class="keywordflow">case</font> 8:
02039 <font class="keywordflow">case</font> 9:
02040 <font class="comment">// Single triangle</font>
02041 numTriangle=1;
02042 <font class="keywordflow">break</font>;
02043 <font class="keywordflow">default</font>:
02044 <font class="comment">// Two triangles</font>
02045 numTriangle=2;
02046 <font class="keywordflow">break</font>;
02047 }
02048
02049 <font class="comment">// Add triangles</font>
02050 <font class="keywordflow">for</font> (uint tri=0; tri<numTriangle; tri++)
02051 {
02052 <font class="comment">// one triangle</font>
02053 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].TriangleList=<a class="code" href="classNL3D_1_1CZoneLighter.html#o36">_TriangleListAllocateur</a>.<a class="code" href="classNLMISC_1_1CPoolMemory.html#a1">allocate</a> ();
02054 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].TriangleList->Triangle=<a class="code" href="classNLMISC_1_1CTriangle.html">NLMISC::CTriangle</a> (pos[triangle[i][tri][0]], pos[triangle[i][tri][1]], pos[triangle[i][tri][2]]);
02055 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].TriangleList->Next=next;
02056 }
02057 }
02058 }
02059 }
02060 }
02061 }
02062
02063 <font class="comment">// *** Now, finalise patch informations for shadow source positions</font>
02064
02065 <font class="comment">// For each patches</font>
02066 uint patchCount=landscape.getZone(_ZoneToLight)->getNumPatchs();
02067 uint patch;
02068 <font class="keywordflow">for</font> (patch=0; patch<patchCount; patch++)
02069 {
02070 <font class="comment">// Info</font>
02071 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Finalize lumel positions"</font>, (<font class="keywordtype">float</font>)patch/(<font class="keywordtype">float</font>)patchCount);
02072
02073 <font class="comment">// *** Resize lumel array for this patch</font>
02074
02075 <font class="comment">// Get a patch pointer</font>
02076 <font class="keyword">const</font> CPatch* pPatch=(const_cast<const CZone*>(landscape.getZone(<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)))->getPatch (patch);
02077 uint orderS=pPatch->getOrderS();
02078 uint orderT=pPatch->getOrderT();
02079
02080 <font class="comment">// Get lumel array</font>
02081 vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch];
02082
02083 <font class="comment">// *** Compute an interpolated normal</font>
02084
02085 <font class="comment">// Renormalize</font>
02086 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="namespaceNLMISC.html#a225">isPowerOf2</a> (orderS));
02087 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="namespaceNLMISC.html#a225">isPowerOf2</a> (orderT));
02088 uint powerS=<a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a> (orderS);
02089 uint powerT=<a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a> (orderT);
02090 uint lumelS=4<<powerS;
02091 uint lumelT=4<<powerT;
02092
02093 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><lumelT; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>++)
02094 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><lumelS; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>++)
02095 {
02096 <font class="comment">// Lumel index</font>
02097 uint lumelIndex=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*lumelS;
02098
02099 <font class="comment">// *** Number of visit</font>
02100 uint visitedCount=visited[patch][lumelIndex];
02101
02102 <font class="comment">// Some lumel have not been found in tesselation</font>
02103 <font class="comment">//nlassert ((visitedCount==1)||(visitedCount==2));</font>
02104
02105 <font class="comment">// If visited, renormalise other values</font>
02106 <font class="keywordflow">if</font> (visitedCount)
02107 {
02108 <font class="comment">// Normalise position</font>
02109 lumels[lumelIndex].Position/=(float)visitedCount;
02110 }
02111
02112 <font class="comment">// Not visited for next pass</font>
02113 visited[patch][lumelIndex]=<font class="keyword">false</font>;
02114 }
02115 }
02116
02117 <font class="comment">// *** Now tesselate this zone to shadow accuracy</font>
02118
02119 <font class="comment">// Setup the landscape</font>
02120 landscape.setThreshold (0);
02121 landscape.setTileMaxSubdivision (4);
02122
02123 <font class="comment">// Refine all</font>
02124 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Refine landscape to lumels"</font>, 0.5f);
02125 landscape.refineAll (CVector (0, 0, 0));
02126
02127 <font class="comment">// Get tesselated faces</font>
02128 leaves.clear ();
02129 landscape.getTessellationLeaves(leaves);
02130
02131 <font class="comment">// Scan each leaves</font>
02132 leavesCount=leaves.size();
02133 <font class="keywordflow">for</font> (leave=0; leave<leavesCount; leave++)
02134 {
02135 <font class="comment">// Progress bar</font>
02136 <font class="keywordflow">if</font> ( (leave&0xff) == 0)
02137 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Precompute tesselation"</font>, (<font class="keywordtype">float</font>)leave/(<font class="keywordtype">float</font>)leavesCount);
02138
02139 <font class="comment">// Leave</font>
02140 <font class="keyword">const</font> CTessFace *face=leaves[leave];
02141
02142 <font class="comment">// Get zone id</font>
02143 <font class="keywordflow">if</font> (face->Patch->getZone()->getZoneId()==<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)
02144 {
02145 <font class="comment">// Get a patch pointer</font>
02146 <font class="keyword">const</font> CPatch* pPatch=face->Patch;
02147
02148 <font class="comment">// Get order</font>
02149 uint orderS=pPatch->getOrderS();
02150 uint orderT=pPatch->getOrderT();
02151
02152 <font class="comment">// Coordinates</font>
02153 <font class="keywordtype">float</font> fS=(face->PVBase.getS()+face->PVLeft.getS()+face->PVRight.getS())/3.f;
02154 <font class="keywordtype">float</font> fT=(face->PVBase.getT()+face->PVLeft.getT()+face->PVRight.getT())/3.f;
02155 uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=(uint)((float)orderS*4*fS);
02156 uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=(uint)((float)orderT*4*fT);
02157 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>>=0);
02158 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><orderS*4);
02159 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>>=0);
02160 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><orderT*4);
02161
02162 <font class="comment">// Triangle index</font>
02163 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*orderS*4;
02164
02165 <font class="comment">// Ge tthe patch id</font>
02166 uint patchId=pPatch->getPatchId();
02167
02168 <font class="comment">// Get lumel array</font>
02169 vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patchId];
02170
02171 <font class="comment">// Visited</font>
02172 visited[patchId][<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]++;
02173
02174 <font class="comment">// Lumel s and t</font>
02175 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].S+=fS;
02176 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].T+=fT;
02177
02178 <font class="comment">// Normal</font>
02179 CPlane plane;
02180 plane.make (face->VBase->EndPos, face->VLeft->EndPos, face->VRight->EndPos);
02181 lumels[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].Normal+=plane.getNormal();
02182 }
02183 }
02184
02185 <font class="comment">// *** Now, finalise patch informations</font>
02186
02187 <font class="comment">// For each patches</font>
02188 patchCount=landscape.getZone(_ZoneToLight)->getNumPatchs();
02189 <font class="keywordflow">for</font> (patch=0; patch<patchCount; patch++)
02190 {
02191 <font class="comment">// Info</font>
02192 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Finalize patches"</font>, (<font class="keywordtype">float</font>)patch/(<font class="keywordtype">float</font>)patchCount);
02193
02194 <font class="comment">// *** Resize lumel array for this patch</font>
02195
02196 <font class="comment">// Get a patch pointer</font>
02197 <font class="keyword">const</font> CPatch* pPatch=(const_cast<const CZone*>(landscape.getZone(<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>)))->getPatch (patch);
02198 uint orderS=pPatch->getOrderS();
02199 uint orderT=pPatch->getOrderT();
02200
02201 <font class="comment">// Get lumel array</font>
02202 vector<CLumelDescriptor> &lumels=<a class="code" href="classNL3D_1_1CZoneLighter.html#o25">_Lumels</a>[patch];
02203
02204 <font class="comment">// *** Compute an interpolated normal</font>
02205
02206 <font class="comment">// Get pointer on arries</font>
02207 vector<bool> &binded=<a class="code" href="classNL3D_1_1CZoneLighter.html#o29">_Binded</a>[zoneNumber][patch];
02208 vector<CPatchUVLocator> &locator=<a class="code" href="classNL3D_1_1CZoneLighter.html#o27">_Locator</a>[zoneNumber][patch];
02209 vector<CPatch::CBindInfo> &bindInfo=<a class="code" href="classNL3D_1_1CZoneLighter.html#o28">_BindInfo</a>[zoneNumber][patch];
02210 CBezierPatch &bezierPatch=<a class="code" href="classNL3D_1_1CZoneLighter.html#o26">_BezierPatch</a>[zoneNumber][patch];
02211
02212 <font class="comment">// Renormalize</font>
02213 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="namespaceNLMISC.html#a225">isPowerOf2</a> (orderS));
02214 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="namespaceNLMISC.html#a225">isPowerOf2</a> (orderT));
02215 uint powerS=<a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a> (orderS);
02216 uint powerT=<a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a> (orderT);
02217 uint lumelS=4<<powerS;
02218 uint lumelT=4<<powerT;
02219
02220 <font class="comment">// Sample edge normal</font>
02221 CVector normals[<a class="code" href="patch_8h.html#a1">NL_MAX_TILES_BY_PATCH_EDGE</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>+1][4];
02222 uint sFixed[4] = { 0, 0xffffffff, lumelS-1, 0xffffffff };
02223 uint tFixed[4] = { 0xffffffff, lumelT-1, 0xffffffff, 0 };
02224 <font class="keywordtype">float</font> sOri[4] = { 0, -1, (float)lumelS, -1 };
02225 <font class="keywordtype">float</font> tOri[4] = { -1, (float)lumelT, -1, 0 };
02226 <font class="keywordflow">for</font> (uint edge=0; edge<4; edge++)
02227 {
02228 <font class="comment">// s and t</font>
02229 uint count=(edge&1)?lumelS:lumelT;
02230 <font class="keywordflow">for</font> (uint lumel=0; lumel<=count; lumel++)
02231 {
02232 <font class="comment">// Start coordinates</font>
02233 <font class="keywordtype">float</font> origineS;
02234 <font class="keywordtype">float</font> origineT;
02235 uint startS;
02236 uint startT;
02237 <font class="keywordflow">if</font> (edge&1)
02238 {
02239 <font class="keywordflow">if</font> (lumel==count)
02240 startS=count-1;
02241 <font class="keywordflow">else</font>
02242 startS=lumel;
02243 startT=tFixed[edge];
02244 origineS=(float)lumel;
02245 origineT=tOri[edge];
02246 }
02247 <font class="keywordflow">else</font>
02248 {
02249 <font class="keywordflow">if</font> (lumel==count)
02250 startT=count-1;
02251 <font class="keywordflow">else</font>
02252 startT=lumel;
02253 startS=sFixed[edge];
02254 origineT=(float)lumel;
02255 origineS=sOri[edge];
02256 }
02257 <a class="code" href="classNL3D_1_1CZoneLighter.html#o33">_GetNormalNormal</a>=CVector::Null;
02258 set<uint64> visitedLumels;
02259 <a class="code" href="classNL3D_1_1CZoneLighter.html#c10">getNormal</a> (pPatch, startS, startT, locator, bindInfo, binded, visitedLumels,
02260 startS+0.5f-origineS, startT+0.5f-origineT, 0, bezierPatch);
02261 <a class="code" href="classNL3D_1_1CZoneLighter.html#o33">_GetNormalNormal</a>.<a class="code" href="classNLMISC_1_1CVector.html#z331_4">normalize</a> ();
02262 normals[lumel][edge]=<a class="code" href="classNL3D_1_1CZoneLighter.html#o33">_GetNormalNormal</a>;
02263 }
02264
02265 <font class="comment">// Smooth the corners</font>
02266 <font class="preprocessor">#define BLUR_SIZE 4</font>
02267 <font class="preprocessor"></font> <font class="keywordflow">for</font> (uint i=1; i<BLUR_SIZE; i++)
02268 {
02269 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=(float)i/BLUR_SIZE;
02270 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="zone__lighter_8cpp.html#a8">easineasout</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02271 normals[i][edge]=normals[0][edge]*(1-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)+normals[i][edge]*<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
02272 normals[i][edge].normalize();
02273 normals[count-i][edge]=normals[count][edge]*(1-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)+normals[count-i][edge]*<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
02274 normals[count-i][edge].normalize();
02275 }
02276 }
02277
02278 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><lumelT; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>++)
02279 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><lumelS; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>++)
02280 {
02281 <font class="comment">// Lumel index</font>
02282 uint lumelIndex=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*lumelS;
02283
02284 <font class="comment">// *** Calc the smoothed normal</font>
02285
02286 <font class="comment">// For each edge</font>
02287 CVector normalS=bezierPatch.evalNormal (((<font class="keywordtype">float</font>)<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+0.5f)/(<font class="keywordtype">float</font>)lumelS, ((<font class="keywordtype">float</font>)<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f)/(<font class="keywordtype">float</font>)lumelT);
02288 <font class="keywordtype">float</font> sFactor=0;
02289 CVector normalT=normalS;
02290 <font class="keywordtype">float</font> tFactor=0;
02291 <font class="keywordtype">bool</font> sGood=<font class="keyword">false</font>, tGood=<font class="keyword">false</font>;
02292 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><BLUR_SIZE)
02293 {
02294 sGood=<font class="keyword">true</font>;
02295 <font class="comment">// Average the two normals</font>
02296 CVector average=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>][0];
02297 average+=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+1][0];
02298 average/=2;
02299
02300 <font class="comment">// Blend</font>
02301 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+0.5f;
02302 sFactor=BLUR_SIZE-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
02303 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>/=BLUR_SIZE;
02304 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="zone__lighter_8cpp.html#a8">easineasout</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02305 normalS=(normalS*<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>+average*(1-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>));
02306 normalS.normalize();
02307 }
02308 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>>=lumelS-BLUR_SIZE)
02309 {
02310 sGood=<font class="keyword">true</font>;
02311 <font class="comment">// Average the two normals</font>
02312 CVector average=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>][2];
02313 average+=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+1][2];
02314 average/=2;
02315
02316 <font class="comment">// Blend</font>
02317 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+0.5f;
02318 sFactor=BLUR_SIZE-(lumelS-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02319 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=(lumelS-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)/BLUR_SIZE;
02320 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="zone__lighter_8cpp.html#a8">easineasout</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02321 normalS=(normalS*<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>+average*(1-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>));
02322 normalS.normalize();
02323 }
02324 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><BLUR_SIZE)
02325 {
02326 tGood=<font class="keyword">true</font>;
02327 <font class="comment">// Average the two normals</font>
02328 CVector average=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>][3];
02329 average+=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+1][3];
02330 average/=2;
02331
02332 <font class="comment">// Blend</font>
02333 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f;
02334 tFactor=BLUR_SIZE-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
02335 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>/=BLUR_SIZE;
02336 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="zone__lighter_8cpp.html#a8">easineasout</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02337 normalT=(normalT*<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>+average*(1-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>));
02338 normalT.normalize();
02339 }
02340 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>>=lumelT-BLUR_SIZE)
02341 {
02342 tGood=<font class="keyword">true</font>;
02343 <font class="comment">// Average the two normals</font>
02344 CVector average=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>][1];
02345 average+=normals[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+1][1];
02346 average/=2;
02347
02348 <font class="comment">// Blend</font>
02349 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f;
02350 tFactor=BLUR_SIZE-(lumelT-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02351 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=((lumelT)-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)/BLUR_SIZE;
02352 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>=<a class="code" href="zone__lighter_8cpp.html#a8">easineasout</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
02353 normalT=(normalT*<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>+average*(1-<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>));
02354 normalT.normalize();
02355 }
02356
02357 <font class="comment">// The smooth normal</font>
02358 CVector smoothNormal;
02359
02360 <font class="keywordflow">if</font> ((sGood)&&(tGood))
02361 {
02362 <font class="keywordflow">if</font> ((sFactor!=BLUR_SIZE)||(tFactor!=BLUR_SIZE))
02363 smoothNormal=normalS*(BLUR_SIZE-tFactor)+normalT*(BLUR_SIZE-sFactor);
02364 <font class="keywordflow">else</font>
02365 smoothNormal=normalS+normalT;
02366 }
02367 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (sGood)
02368 smoothNormal=normalS;
02369 <font class="keywordflow">else</font>
02370 smoothNormal=normalT;
02371
02372 <font class="comment">// Normalize it</font>
02373 smoothNormal.normalize();
02374
02375 <font class="comment">// The pure normal</font>
02376 CVector purNormal=bezierPatch.evalNormal (((<font class="keywordtype">float</font>)<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+0.5f)/(<font class="keywordtype">float</font>)lumelS, ((<font class="keywordtype">float</font>)<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f)/(<font class="keywordtype">float</font>)lumelT);
02377
02378 <font class="comment">// Normalize the noisy normal</font>
02379 lumels[lumelIndex].Normal.normalize();
02380
02381 <font class="comment">// Final normal</font>
02382 lumels[lumelIndex].Normal=lumels[lumelIndex].Normal-purNormal+smoothNormal;
02383 lumels[lumelIndex].Normal.normalize ();
02384
02385 <font class="comment">// *** Number of visit</font>
02386 uint visitedCount=visited[patch][lumelIndex];
02387
02388 <font class="comment">// Some lumel have not been found in tesselation</font>
02389 <font class="comment">//nlassert (visitedCount==2);</font>
02390
02391 <font class="comment">// If visited, renormalise other values</font>
02392 <font class="keywordflow">if</font> (visitedCount)
02393 {
02394 <font class="comment">// Normalise position</font>
02395 lumels[lumelIndex].S/=(float)visitedCount;
02396 lumels[lumelIndex].T/=(float)visitedCount;
02397 }
02398 }
02399 }
02400 }
02401
02402 <font class="comment">// ***************************************************************************</font>
02403
<a name="l02404"></a><a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#a0">02404</a> CZoneLighter::CLightDesc::CLightDesc ()
02405 {
02406 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m0">LightDirection</a>.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a> (1, 1, -1);
02407 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m2">GridSize</a>=512;
02408 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m3">GridCellSize</a>=4;
02409 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m4">HeightfieldSize</a>=200;
02410 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m5">HeightfieldCellSize</a>=20;
02411 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m13">SkyContribution</a>=<font class="keyword">true</font>;
02412 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m14">SkyIntensity</a>=0.25;
02413 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m7">ShadowBias</a>=0.5f;
02414 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m9">SoftshadowBlurSize</a>=1.f;
02415 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m10">SoftshadowFallof</a>=10.f;
02416 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m11">SoftshadowShapeVertexCount</a>=4;
02417 <a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#m1">Oversampling</a>=<a class="code" href="classNL3D_1_1CZoneLighter_1_1CLightDesc.html#s5s3">OverSamplingx32</a>;
02418 }
02419
02420 <font class="comment">// ***************************************************************************</font>
<a name="l02421"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a6">02421</a> <font class="keywordtype">void</font> CZoneLighter::addLightableShape(IShape *shape, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>& MT)
02422 {
02423 CShapeInfo lsi;
02424 lsi.MT = MT;
02425 lsi.Shape = shape;
02426 <a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>.push_back(lsi);
02427 }
02428
02429
02430 <font class="comment">// ***************************************************************************</font>
<a name="l02431"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#d0">02431</a> <font class="keywordtype">bool</font> CZoneLighter::isLightableShape(IShape &shape)
02432 {
02434 <font class="keywordflow">if</font> (dynamic_cast<CWaterShape *>(&shape) != NULL)
02435 {
02436 <font class="comment">// check that this water surface has a diffuse map that is a CTextureFile (we must be able to save it !)</font>
02437 CWaterShape *ws = static_cast<CWaterShape *>(&shape);
02438 <font class="keyword">const</font> ITexture *tex = ws->getColorMap();
02439 <font class="keywordflow">if</font> (dynamic_cast<const CTextureFile *>(tex) != NULL)
02440 {
02441 <font class="keywordflow">return</font> ws->isLightMappingEnabled();
02442 }
02443 }
02444 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02445 }
02446
02447 <font class="comment">// ***************************************************************************</font>
<a name="l02448"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c14">02448</a> <font class="keywordtype">void</font> CZoneLighter::lightShapes(uint zoneID, <font class="keyword">const</font> CLightDesc& description)
02449 {
02451 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>.size() == 0) <font class="keywordflow">return</font>;
02452
02453 uint numShapePerThread = 1 + (<a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>.size() / <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>);
02454 uint currShapeIndex = 0;
02455 uint process = 0;
02456 <a class="code" href="classNL3D_1_1CZoneLighter.html#o14">_ProcessExited</a> = 0;
02457
02458 <a class="code" href="classNL3D_1_1CZoneLighter.html#o39">_NumLightableShapesProcessed</a> = 0;
02459
02460
02461 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Processing lightable shapes"</font>, 0);
02462
02463 <font class="keywordflow">for</font> (uint k = 0; k < <a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>.size(); ++k, ++process)
02464 {
02465 uint lastShapeIndex = currShapeIndex + numShapePerThread;
02466 lastShapeIndex = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(<a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>.size(), lastShapeIndex);
02467 IThread *pThread = IThread::create (<font class="keyword">new</font> <a class="code" href="classNL3D_1_1CZoneLighter.html#l1">CCalcLightableShapeRunnable</a>(process, <font class="keyword">this</font>, &description, &<a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>, currShapeIndex, lastShapeIndex));
02468 pThread->start();
02469 currShapeIndex = lastShapeIndex;
02470 }
02471
02473 <font class="keywordflow">while</font> (<a class="code" href="classNL3D_1_1CZoneLighter.html#o14">_ProcessExited</a> != <a class="code" href="classNL3D_1_1CZoneLighter.html#o12">_ProcessCount</a>)
02474 {
02475 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (10);
02476 }
02477
02478 }
02479
02480
02481
02482 <font class="comment">// ***************************************************************************</font>
02483
<a name="l02484"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c15">02484</a> <font class="keywordtype">void</font> CZoneLighter::processLightableShapeCalc (uint process,
02485 TShapeVect *shapesToLit,
02486 uint firstShape,
02487 uint lastShape,
02488 <font class="keyword">const</font> CLightDesc& description)
02489 {
02490 CMultiShape *shapeArray=<font class="keyword">new</font> CMultiShape;
02491 CMultiShape *shapeArrayTmp=<font class="keyword">new</font> CMultiShape;
02492 shapeArray->Shapes.reserve (<a class="code" href="zone__lighter_8h.html#a1">SHAPE_MAX</a>);
02493 shapeArrayTmp->Shapes.reserve (<a class="code" href="zone__lighter_8h.html#a1">SHAPE_MAX</a>);
02494
02495 <font class="comment">// for each lightable shape</font>
02496 <font class="keywordflow">for</font> (uint k = firstShape; k < lastShape; ++k)
02497 {
02498 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CZoneLighter.html#d0">isLightableShape</a>(* (*shapesToLit)[k].Shape)); <font class="comment">// make sure it is a lightable shape </font>
02499 <a class="code" href="classNL3D_1_1CZoneLighter.html#c16">lightSingleShape</a>((*shapesToLit)[k], *shapeArray, *shapeArrayTmp, description, process);
02500 }
02501
02502 <font class="keyword">delete</font> shapeArray;
02503 <font class="keyword">delete</font> shapeArrayTmp;
02504 }
02505
02506
02507 <font class="comment">// ***************************************************************************</font>
<a name="l02508"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c16">02508</a> <font class="keywordtype">void</font> CZoneLighter::lightSingleShape(CShapeInfo &si, CMultiShape &shape, CMultiShape &shapeTmp, <font class="keyword">const</font> CLightDesc& description, uint cpu)
02509 {
02511 <font class="keywordflow">if</font> (dynamic_cast<CWaterShape *>(si.Shape))
02512 {
02513 <a class="code" href="classNL3D_1_1CZoneLighter.html#c17">lightWater</a>(* static_cast<CWaterShape *>(si.Shape), si.MT, shape, shapeTmp, description, cpu);
02514
02515 }
02516 ++<a class="code" href="classNL3D_1_1CZoneLighter.html#o39">_NumLightableShapesProcessed</a>;
02517 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Processing lightable shapes"</font>, (<font class="keywordtype">float</font>) <a class="code" href="classNL3D_1_1CZoneLighter.html#o39">_NumLightableShapesProcessed</a> / <a class="code" href="classNL3D_1_1CZoneLighter.html#o38">_LightableShapes</a>.size());
02518 <font class="keywordflow">return</font>;
02519 }
02520
02521
02522
02523 <font class="comment">// ***************************************************************************</font>
02524 <font class="comment">// utility function to get the directory of a fileName</font>
<a name="l02525"></a><a class="code" href="zone__lighter_8cpp.html#a10">02525</a> <font class="keyword">static</font> std::string <a class="code" href="zone__lighter_8cpp.html#a10">getDir</a> (<font class="keyword">const</font> std::string& path)
02526 {
02527 <font class="keywordtype">char</font> tmpPath[512];
02528 strcpy (tmpPath, path.c_str());
02529 <font class="keywordtype">char</font>* slash=strrchr (tmpPath, <font class="charliteral">'/'</font>);
02530 <font class="keywordflow">if</font> (!slash)
02531 {
02532 slash=strrchr (tmpPath, <font class="charliteral">'\\'</font>);
02533 }
02534
02535 <font class="keywordflow">if</font> (!slash)
02536 <font class="keywordflow">return</font> <font class="stringliteral">""</font>;
02537
02538 slash++;
02539 *slash=0;
02540 <font class="keywordflow">return</font> tmpPath;
02541 }
02542
02543
02544 <font class="comment">// ***************************************************************************</font>
02545 <font class="comment">// utility function to get a file name fdrom a path</font>
<a name="l02546"></a><a class="code" href="zone__lighter_8cpp.html#a11">02546</a> <font class="keyword">static</font> std::string <a class="code" href="zone__lighter_8cpp.html#a11">getName</a> (<font class="keyword">const</font> std::string& path)
02547 {
02548 std::string dir=<a class="code" href="zone__lighter_8cpp.html#a10">getDir</a> (path);
02549
02550 <font class="keywordtype">char</font> tmpPath[512];
02551 strcpy (tmpPath, path.c_str());
02552
02553 <font class="keywordtype">char</font> *name=tmpPath;
02554 <a class="code" href="debug_8h.html#a6">nlassert</a> (dir.length()<=strlen(tmpPath));
02555 name+=dir.length();
02556
02557 <font class="keywordtype">char</font>* point=strrchr (name, <font class="charliteral">'.'</font>);
02558 <font class="keywordflow">if</font> (point)
02559 *point=0;
02560
02561 <font class="keywordflow">return</font> name;
02562 }
02563
02564
02565 <font class="comment">// ***************************************************************************</font>
02566 <font class="comment">// utility function to get the extension of a fileName</font>
<a name="l02567"></a><a class="code" href="zone__lighter_8cpp.html#a12">02567</a> <font class="keyword">static</font> std::string <a class="code" href="zone__lighter_8cpp.html#a12">getExt</a> (<font class="keyword">const</font> std::string& path)
02568 {
02569 std::string dir = <a class="code" href="zone__lighter_8cpp.html#a10">getDir</a> (path);
02570 std::string name = <a class="code" href="zone__lighter_8cpp.html#a11">getName</a> (path);
02571
02572 <font class="keywordtype">char</font> tmpPath[512];
02573 strcpy (tmpPath, path.c_str());
02574
02575 <font class="keywordtype">char</font> *ext=tmpPath;
02576 <a class="code" href="debug_8h.html#a6">nlassert</a> (dir.length()+name.length()<=strlen(tmpPath));
02577 ext+=dir.length()+name.length();
02578
02579 <font class="keywordflow">return</font> ext;
02580 }
02581
02582
02583 <font class="comment">// ***************************************************************************</font>
<a name="l02584"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c17">02584</a> <font class="keywordtype">void</font> CZoneLighter::lightWater(CWaterShape &ws, <font class="keyword">const</font> CMatrix &MT, CMultiShape &shape, CMultiShape &shapeTmp, <font class="keyword">const</font> CLightDesc& description, uint cpu)
02585 {
02586 <font class="keywordflow">try</font>
02587 {
02589 CTextureFile *diffuseTex = NLMISC::safe_cast<CTextureFile *>(ws.getColorMap());
02590 std::string texFileName = CPath::lookup(diffuseTex->getFileName());
02591 diffuseTex->generate();
02592 <font class="keyword">const</font> uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = diffuseTex->getWidth();
02593 <font class="keyword">const</font> uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = diffuseTex->getHeight();
02594
02596 <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> worldSpaceToUVs;
02597 <a class="code" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> col0, col1, pos;
02598 ws.getColorMapMat(col0, col1, pos);
02599 worldSpaceToUVs.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a>(<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(col0.<a class="code" href="classNLMISC_1_1CVector2f.html#m0">x</a> * <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, col0.<a class="code" href="classNLMISC_1_1CVector2f.html#m1">y</a> * <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, 0),
02600 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(col1.<a class="code" href="classNLMISC_1_1CVector2f.html#m0">x</a> * width, col1.<a class="code" href="classNLMISC_1_1CVector2f.html#m1">y</a> * <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, 0),
02601 <a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a>);
02602 worldSpaceToUVs.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_6">setPos</a>(<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(pos.<a class="code" href="classNLMISC_1_1CVector2f.html#m0">x</a> * width, pos.<a class="code" href="classNLMISC_1_1CVector2f.html#m1">y</a> * <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, 0));
02603
02605 <a class="code" href="classNLMISC_1_1CPolygon.html">NLMISC::CPolygon</a> p;
02606 ws.getShapeInWorldSpace(p);
02607
02608 <font class="keywordtype">float</font> minU, maxU;
02609 <font class="keywordtype">float</font> minV, maxV;
02610
02611 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> uvs = worldSpaceToUVs * p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>[0];
02612 minU = maxU = uvs.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>;
02613 minV = maxV = uvs.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
02614
02615
02616 <font class="keywordflow">for</font> (uint k = 1; k < (uint) p.<a class="code" href="classNLMISC_1_1CPolygon.html#a2">getNumVertices</a>(); ++k)
02617 {
02618 uvs = worldSpaceToUVs * p.<a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>[k];
02619 minU = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(uvs.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, minU);
02620 minV = <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(uvs.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, minV);
02621 maxU = std::max(uvs.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, maxU);
02622 maxV = std::max(uvs.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, maxV);
02623 }
02624
02625
02626
02627
02628 sint iMinU = (sint) minU;
02629 sint iMaxU = (sint) maxU;
02630 sint iMinV = (sint) minV;
02631 sint iMaxV = (sint) maxV;
02632
02633 <a class="code" href="namespaceNLMISC.html#a215">NLMISC::clamp</a>(iMinU, 0, (sint) width);
02634 <a class="code" href="namespaceNLMISC.html#a215">NLMISC::clamp</a>(iMaxU, 0, (sint) width);
02635 <a class="code" href="namespaceNLMISC.html#a215">NLMISC::clamp</a>(iMinV, 0, (sint) <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
02636 <a class="code" href="namespaceNLMISC.html#a215">NLMISC::clamp</a>(iMaxV, 0, (sint) <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
02637
02638 <font class="comment">// matrix to go from uv space to worldspace</font>
02639 <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> UVSpaceToWorldSpace = worldSpaceToUVs.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_7">inverted</a>();
02640
02641 std::vector<uint8> &pixs8 = diffuseTex->getPixels();
02642 <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *rgbPixs = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *) &pixs8[0];
02643
02644
02646 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = iMinU; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> < iMaxU; ++<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)
02647 {
02648 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = iMinV; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> < iMaxV; ++<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
02649 {
02650 <font class="keywordtype">float</font> factor;
02651 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> pos = UVSpaceToWorldSpace * <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> + 0.5f, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> + 0.5f, 0 )
02652 + description.WaterShadowBias * <a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a>;
02653 <font class="keywordflow">if</font> (description.Shadow)
02654 {
02655 <a class="code" href="classNL3D_1_1CZoneLighter.html#c9">rayTrace</a>(pos, <a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a>, 0, 0, -1, factor, shape, shapeTmp, cpu);
02656 }
02657 <font class="keywordflow">else</font>
02658 {
02659 factor = - <a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a> * description.LightDirection;
02660 }
02661 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(factor, 0.f, 1.f);
02662 factor = factor * description.WaterDiffuse + description.WaterAmbient;
02663 <font class="keywordflow">if</font> (description.SkyContributionForWater)
02664 {
02665 factor += <a class="code" href="classNL3D_1_1CZoneLighter.html#c7">getSkyContribution</a>(pos, <a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a>, description.SkyIntensity);
02666 }
02667 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(factor, 0.f, 1.f);
02668 uint intensity = (uint8) (255 * factor);
02669 <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> srcCol(intensity,
02670 intensity,
02671 intensity,
02672 255);
02673
02674 <font class="keywordflow">if</font> (!description.ModulateWaterColor)
02675 {
02676 rgbPixs[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> * width] = srcCol;
02677 }
02678 <font class="keywordflow">else</font>
02679 {
02680 <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> &col = rgbPixs[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> * width];
02681 col.<a class="code" href="classNLMISC_1_1CRGBA.html#a9">modulateFromColor</a>(col, srcCol);
02682 }
02683 }
02684 }
02685
02687 <font class="keywordflow">if</font> (<a class="code" href="zone__lighter_8cpp.html#a12">getExt</a>(texFileName) != <font class="stringliteral">".tga"</font>)
02688 {
02689 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Zone lighter : error when lighting a water surface : input bitmap is not a tga file"</font>);
02690 }
02691 <font class="keywordflow">else</font>
02692 {
02693 <font class="keywordflow">try</font>
02694 {
02695 COFile of;
02696 of.open(texFileName);
02697 diffuseTex->writeTGA(of, 24);
02698 of.close();
02699 }
02700 <font class="keywordflow">catch</font> (<a class="code" href="classNLMISC_1_1Exception.html">NLMISC::Exception</a> &)
02701 {
02702 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Zone lighter : while lighting a water shape, writing %s failed! "</font>, texFileName.c_str());
02703 }
02704 }
02705 }
02706 <font class="keywordflow">catch</font>(<a class="code" href="classNLMISC_1_1Exception.html">NLMISC::Exception</a> &e)
02707 {
02708 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Water shape lighting failed !"</font>);
02709 <a class="code" href="debug_8h.html#a2">nlwarning</a>(e.what());
02710 }
02711 }
02712
<a name="l02714"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#a7">02714</a> <font class="keywordtype">void</font> CZoneLighter::addWaterShape(CWaterShape *shape, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &MT)
02715 {
02717 CShapeInfo ci;
02718 ci.Shape = shape;
02719 ci.MT = MT;
02720 <a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>.push_back(ci);
02721 }
02722
<a name="l02724"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c18">02724</a> <font class="keywordtype">void</font> CZoneLighter::makeQuadGridFromWaterShapes(<a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> zoneBBox)
02725 {
02726 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>.size()) <font class="keywordflow">return</font>;
02727
02728 <a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> tmpBox;
02729
02731 <font class="keyword">const</font> uint numCells = 16;
02732
02734 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = zoneBBox.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>().x - zoneBBox.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">getMin</a>().x;
02735 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = zoneBBox.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>().y - zoneBBox.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">getMin</a>().y;
02736
02737 <font class="keywordtype">float</font> dim = std::max(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
02738
02739
02741 <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.create(numCells, dim / numCells);
02742
02743
02744 uint count = 0, totalCount = <a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>.size();
02745
02747 <font class="keywordflow">for</font> (TShapeVect::iterator it = <a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>.begin(); it != <a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>.end(); ++it, ++count)
02748 {
02750 it->Shape->getAABBox(tmpBox);
02751 <a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> currBB = <a class="code" href="classNLMISC_1_1CAABBox.html#z266_3">NLMISC::CAABBox::transformAABBox</a>(it->MT, tmpBox);
02752
02754 <font class="keywordflow">if</font> (zoneBBox.<a class="code" href="classNLMISC_1_1CAABBox.html#z265_4">intersect</a>(currBB))
02755 {
02756 <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.insert(currBB.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">getMin</a>(), currBB.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>(), NLMISC::safe_cast<CWaterShape *>(it->Shape));
02757 }
02758 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Building quadtree from water surfaces"</font>, (<font class="keywordtype">float</font>) count / totalCount);
02759 }
02760
02762 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNL3D_1_1CZoneLighter.html#o40">_WaterShapes</a>);
02763 }
02764
02765
02766 <font class="comment">//==================================================================</font>
02767
<a name="l02769"></a><a class="code" href="structCTileOfPatch.html">02769</a> <font class="keyword">struct </font><a class="code" href="structCTileOfPatch.html">CTileOfPatch</a>
02770 {
<a name="l02771"></a><a class="code" href="structCTileOfPatch.html#m0">02771</a> uint8 TileId;
<a name="l02772"></a><a class="code" href="structCTileOfPatch.html#m1">02772</a> CPatch *Patch;
02773 <a class="code" href="structCTileOfPatch.html">CTileOfPatch</a>();
<a name="l02774"></a><a class="code" href="structCTileOfPatch.html#a1">02774</a> <a class="code" href="structCTileOfPatch.html">CTileOfPatch</a>(uint8 tileId, CPatch *patch) : TileId(tileId), Patch(patch)
02775 {
02776 }
02777 };
02778
02779
02780
02781 <font class="comment">// ***************************************************************************</font>
02782 <font class="comment">// ***************************************************************************</font>
02783 <font class="comment">// Static point lights.</font>
02784 <font class="comment">// ***************************************************************************</font>
02785 <font class="comment">// ***************************************************************************</font>
02786
02787
02788 <font class="comment">// ***************************************************************************</font>
<a name="l02789"></a><a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#a0">02789</a> CZoneLighter::CPointLightRT::CPointLightRT()
02790 {
02791 <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m4">RefCount</a>= 0;
02792 }
02793
02794
02795 <font class="comment">// ***************************************************************************</font>
<a name="l02796"></a><a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#a1">02796</a> <font class="keywordtype">bool</font> CZoneLighter::CPointLightRT::testRaytrace(<font class="keyword">const</font> CVector &<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)
02797 {
02798 CVector dummy;
02799
02800 <font class="keywordflow">if</font>(!<a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m2">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#a2">include</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>))
02801 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02802
02803 <font class="comment">// If Ambient light, just skip</font>
02804 <font class="keywordflow">if</font>(<a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m0">PointLight</a>.getType()== CPointLight::AmbientLight)
02805 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02806
02807 <font class="comment">// If SpotLight verify in angle radius.</font>
02808 <font class="keywordflow">if</font>(<a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m0">PointLight</a>.getType()== CPointLight::SpotLight)
02809 {
02810 <font class="keywordtype">float</font> att= <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m0">PointLight</a>.computeLinearAttenuation(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
02811 <font class="keywordflow">if</font> (att==0)
02812 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02813 }
02814
02815 <font class="comment">// Select in the cubeGrid</font>
02816 <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m3">FaceCubeGrid</a>.select(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
02817 <font class="comment">// For all faces selected</font>
02818 <font class="keywordflow">while</font>(!<a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m3">FaceCubeGrid</a>.isEndSel())
02819 {
02820 <font class="keyword">const</font> CTriangle *tri= <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m3">FaceCubeGrid</a>.getSel();
02821
02822 <font class="comment">// If intersect, the point is occluded.</font>
02823 <font class="keywordflow">if</font>( tri->Triangle.intersect(<a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m2">BSphere</a>.<a class="code" href="classNLMISC_1_1CBSphere.html#m0">Center</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, dummy, tri->getPlane()) )
02824 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02825
02826 <font class="comment">// next</font>
02827 <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPointLightRT.html#m3">FaceCubeGrid</a>.nextSel();
02828 }
02829
02830 <font class="comment">// Ok the point is visilbe from the light</font>
02831 <font class="keywordflow">return</font> <font class="keyword">true</font>;
02832 }
02833
02834
02835 <font class="comment">// ***************************************************************************</font>
<a name="l02836"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#z922_0">02836</a> <font class="keywordtype">void</font> CZoneLighter::addStaticPointLight(<font class="keyword">const</font> CPointLightNamed &pln)
02837 {
02838 <font class="comment">// build the plRT.</font>
02839 CPointLightRT plRT;
02840 plRT.PointLight= pln;
02841 <font class="comment">// compute plRT.OODeltaAttenuation</font>
02842 plRT.OODeltaAttenuation= pln.getAttenuationEnd() - pln.getAttenuationBegin();
02843 <font class="keywordflow">if</font>(plRT.OODeltaAttenuation <=0 )
02844 plRT.OODeltaAttenuation= 0;
02845 <font class="keywordflow">else</font>
02846 plRT.OODeltaAttenuation= 1.0f / plRT.OODeltaAttenuation;
02847 <font class="comment">// compute plRT.BSphere</font>
02848 plRT.BSphere.Center= pln.getPosition();
02849 plRT.BSphere.Radius= pln.getAttenuationEnd();
02850 <font class="comment">// NB: FaceCubeGrid will be computed during light()</font>
02851
02852 <font class="comment">// add the plRT</font>
02853 <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.push_back(plRT);
02854
02855 }
02856
02857
02858 <font class="comment">// ***************************************************************************</font>
<a name="l02859"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#z923_0">02859</a> <font class="keywordtype">void</font> CZoneLighter::compilePointLightRT(uint gridSize, <font class="keywordtype">float</font> gridCellSize, std::vector<CTriangle>& obstacles, <font class="keywordtype">bool</font> doShadow)
02860 {
02861 uint i;
02862
02863 <font class="comment">// Fill the quadGrid of Lights.</font>
02864 <font class="comment">// ===========</font>
02865 <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_3">_StaticPointLightQuadGrid</a>.create(gridSize, gridCellSize);
02866 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.size();i++)
02867 {
02868 CPointLightRT &plRT= <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>[i];
02869
02870 <font class="comment">// Compute the bbox of the light</font>
02871 CAABBox bbox;
02872 bbox.setCenter(plRT.BSphere.Center);
02873 <font class="keywordtype">float</font> hl= plRT.BSphere.Radius;
02874 bbox.setHalfSize(CVector(hl,hl,hl));
02875
02876 <font class="comment">// Insert the pointLight in the quadGrid.</font>
02877 <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_3">_StaticPointLightQuadGrid</a>.insert(bbox.getMin(), bbox.getMax(), &plRT);
02878 }
02879
02880
02881 <font class="comment">// Append triangles to cubeGrid ??</font>
02882 <font class="keywordflow">if</font>(doShadow)
02883 {
02884 <font class="comment">// For all obstacles, Fill a quadGrid.</font>
02885 <font class="comment">// ===========</font>
02886 CQuadGrid<CTriangle*> obstacleGrid;
02887 obstacleGrid.create(gridSize, gridCellSize);
02888 uint size= obstacles.size();
02889 <font class="keywordflow">for</font>(i=0; i<size; i++)
02890 {
02891 <font class="comment">// bbox of triangle</font>
02892 CAABBox bbox;
02893 bbox.setCenter(obstacles[i].Triangle.V0);
02894 bbox.extend(obstacles[i].Triangle.V1);
02895 bbox.extend(obstacles[i].Triangle.V2);
02896 <font class="comment">// insert triangle in quadGrid.</font>
02897 obstacleGrid.insert(bbox.getMin(), bbox.getMax(), &obstacles[i]);
02898 }
02899
02900
02901 <font class="comment">// For all PointLights, fill his CubeGrid</font>
02902 <font class="comment">// ===========</font>
02903 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.size();i++)
02904 {
02905 <font class="comment">// progress</font>
02906 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Compute Influences of PointLights"</font>, 0.5f*i / (<font class="keywordtype">float</font>)(<a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.size()-1));
02907
02908 CPointLightRT &plRT= <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>[i];
02909 <font class="comment">// Create the cubeGrid</font>
02910 plRT.FaceCubeGrid.create(plRT.PointLight.getPosition(), <a class="code" href="zone__lighter_8cpp.html#a0">NL3D_ZONE_LIGHTER_CUBE_GRID_SIZE</a>);
02911
02912 <font class="comment">// AmbiantLIghts: do nothing.</font>
02913 <font class="keywordflow">if</font>(plRT.PointLight.getType()!=CPointLight::AmbientLight)
02914 {
02915 <font class="comment">// Select only obstacle Faces around the light. Other are not usefull</font>
02916 CAABBox bbox;
02917 bbox.setCenter(plRT.PointLight.getPosition());
02918 <font class="keywordtype">float</font> hl= plRT.PointLight.getAttenuationEnd();
02919 bbox.setHalfSize(CVector(hl,hl,hl));
02920 obstacleGrid.select(bbox.getMin(), bbox.getMax());
02921
02922 <font class="comment">// For all faces, fill the cubeGrid.</font>
02923 CQuadGrid<CTriangle*>::CIterator itObstacle;
02924 itObstacle= obstacleGrid.begin();
02925 <font class="keywordflow">while</font>( itObstacle!=obstacleGrid.end() )
02926 {
02927 CTriangle &tri= *(*itObstacle);
02928 <font class="comment">// Test BackFace culling. Only faces which are BackFace the point light are inserted.</font>
02929 <font class="comment">// This is to avoid AutoOccluding problems</font>
02930 <font class="keywordflow">if</font>( tri.getPlane() * plRT.BSphere.Center < 0)
02931 {
02932 <font class="comment">// Insert the triangle in the CubeGrid</font>
02933 plRT.FaceCubeGrid.insert( tri.Triangle, &tri);
02934 }
02935
02936 itObstacle++;
02937 }
02938 }
02939
02940 <font class="comment">// Compile the CubeGrid.</font>
02941 plRT.FaceCubeGrid.compile();
02942
02943 <font class="comment">// And Reset RefCount.</font>
02944 plRT.RefCount= 0;
02945 }
02946 }
02947 <font class="comment">// else, just build empty grid</font>
02948 <font class="keywordflow">else</font>
02949 {
02950 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.size();i++)
02951 {
02952 <font class="comment">// progress</font>
02953 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Compute Influences of PointLights"</font>, 0.5f*i / (<font class="keywordtype">float</font>)(<a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.size()-1));
02954
02955 CPointLightRT &plRT= <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>[i];
02956 <font class="comment">// Create a dummy empty cubeGrid => no rayTrace :)</font>
02957 plRT.FaceCubeGrid.create(plRT.PointLight.getPosition(), 4);
02958
02959 <font class="comment">// Compile the CubeGrid.</font>
02960 plRT.FaceCubeGrid.compile();
02961
02962 <font class="comment">// And Reset RefCount.</font>
02963 plRT.RefCount= 0;
02964 }
02965 }
02966
02967 }
02968
02969
02970 <font class="comment">// ***************************************************************************</font>
<a name="l02971"></a><a class="code" href="structNL3D_1_1CZoneLighter_1_1CPredPointLightToPoint.html#a0">02971</a> <font class="keywordtype">bool</font> CZoneLighter::CPredPointLightToPoint::operator() (CPointLightRT *pla, CPointLightRT *plb)<font class="keyword"> const</font>
02972 <font class="keyword"></font>{
02973 <font class="keywordtype">float</font> ra= (pla->BSphere.Center - <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPredPointLightToPoint.html#m0">Point</a>).norm();
02974 <font class="keywordtype">float</font> rb= (plb->BSphere.Center - <a class="code" href="structNL3D_1_1CZoneLighter_1_1CPredPointLightToPoint.html#m0">Point</a>).norm();
02975 <font class="keywordtype">float</font> infA= (pla->PointLight.getAttenuationEnd() - ra) * pla->OODeltaAttenuation;
02976 <font class="keywordtype">float</font> infB= (plb->PointLight.getAttenuationEnd() - rb) * plb->OODeltaAttenuation;
02977 <font class="comment">// return which light impact the most.</font>
02978 <font class="comment">// If same impact</font>
02979 <font class="keywordflow">if</font>(infA==infB)
02980 <font class="comment">// return nearest</font>
02981 <font class="keywordflow">return</font> ra < rb;
02982 <font class="keywordflow">else</font>
02983 <font class="comment">// return better impact</font>
02984 <font class="keywordflow">return</font> infA > infB;
02985 }
02986
02987 <font class="comment">// ***************************************************************************</font>
<a name="l02988"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#z923_1">02988</a> <font class="keywordtype">void</font> CZoneLighter::processZonePointLightRT(vector<CPointLightNamed> &listPointLight)
02989 {
02990 uint i;
02991 vector<CPointLightRT*> lightInfs;
02992 lightInfs.reserve(1024);
02993
02994 <font class="comment">// clear result list</font>
02995 listPointLight.clear();
02996
02997 <font class="comment">// zoneToLight</font>
02998 CZone *zoneToLight= <a class="code" href="classNL3D_1_1CZoneLighter.html#o5">_Landscape</a>-><a class="code" href="classNL3D_1_1CLandscape.html#z481_0">getZone</a>(<a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>);
02999 <font class="keywordflow">if</font>(!zoneToLight)
03000 <font class="keywordflow">return</font>;
03001
03002 <font class="comment">// Build patchForPLs</font>
03003 <font class="comment">//===========</font>
03004 vector<CPatchForPL> patchForPLs;
03005 patchForPLs.resize(<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>.size());
03006 <font class="keywordflow">for</font>(i=0; i<patchForPLs.size(); i++)
03007 {
03008 <font class="comment">// Get OrderS/OrderT</font>
03009 patchForPLs[i].OrderS= <a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[i].OrderS;
03010 patchForPLs[i].OrderT= <a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[i].OrderT;
03011 <font class="comment">// resize TileLightInfluences</font>
03012 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= patchForPLs[i].WidthTLI= patchForPLs[i].OrderS/2 +1 ;
03013 uint h= patchForPLs[i].HeightTLI= patchForPLs[i].OrderT/2 +1;
03014 patchForPLs[i].TileLightInfluences.resize(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h);
03015 }
03016
03017
03018 <font class="comment">// compute each TileLightInfluence</font>
03019 <font class="comment">//===========</font>
03020 <font class="keywordflow">for</font>(i=0; i<patchForPLs.size(); i++)
03021 {
03022 <font class="comment">// progress</font>
03023 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Compute Influences of PointLights"</font>, 0.5f + 0.5f*i / (<font class="keywordtype">float</font>)patchForPLs.size());
03024
03025 CPatchForPL &pfpl= patchForPLs[i];
03026 <font class="keyword">const</font> CPatch *patch= const_cast<const CZone*>(zoneToLight)->getPatch(i);
03027
03028 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
03029 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= 0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><pfpl.HeightTLI; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
03030 {
03031 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= 0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><pfpl.WidthTLI; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
03032 {
03033 <font class="comment">// compute the point and normal (normalized) where the TLI lies.</font>
03034 <font class="comment">//---------</font>
03035 CVector pos, normal;
03036 <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>;
03037 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>= (float)<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> / (pfpl.WidthTLI-1);
03038 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>= (float)<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> / (pfpl.HeightTLI-1);
03039 <font class="comment">// Compute the Vertex, with Noise information (important for accurate raytracing).</font>
03040 pos= patch->computeVertex(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>);
03041 <font class="comment">// Use UnNoised normal from BezierPatch, because the lighting does not need to be so precise.</font>
03042 CBezierPatch *bp= patch->unpackIntoCache();
03043 normal= bp->evalNormal(<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>);
03044
03045
03046 <font class="comment">// Compute Which light influences him.</font>
03047 <font class="comment">//---------</font>
03048 lightInfs.clear();
03049 <font class="comment">// Search possible lights around the position.</font>
03050 <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_3">_StaticPointLightQuadGrid</a>.select(pos, pos);
03051 <font class="comment">// For all of them, get the ones which touch this point.</font>
03052 CQuadGrid<CPointLightRT*>::CIterator it= <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_3">_StaticPointLightQuadGrid</a>.begin();
03053 <font class="keywordflow">while</font>(it != <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_3">_StaticPointLightQuadGrid</a>.end())
03054 {
03055 CPointLightRT *pl= *it;
03056
03057 <font class="comment">// a light influence a TLI only if this one is FrontFaced to the light !!</font>
03058 <font class="keywordflow">if</font>( ( pl->BSphere.Center - pos ) * normal > 0)
03059 {
03060 <font class="comment">// Add 5cm else it fails in some case where ( pl->BSphere.Center - pos ) * normal is </font>
03061 <font class="comment">// nearly 0 and the point should be occluded.</font>
03062 <font class="keyword">const</font> <font class="keywordtype">float</font> deltaY= 0.05f;
03063 CVector posToRT= pos + normal * deltaY;
03064 <font class="comment">// Test if really in the radius of the light, if no occlusion, and if in SpotAngle</font>
03065 <font class="keywordflow">if</font>( pl->testRaytrace(posToRT) )
03066 {
03067 <font class="comment">// Ok, add the light to the lights which influence the TLI </font>
03068 lightInfs.push_back(pl);
03069 }
03070 }
03071
03072 <font class="comment">// next</font>
03073 it++;
03074 }
03075
03076 <font class="comment">// Choose the Best ones.</font>
03077 <font class="comment">//---------</font>
03078 CPredPointLightToPoint predPLTP;
03079 predPLTP.Point= pos;
03080 <font class="comment">// sort.</font>
03081 sort(lightInfs.begin(), lightInfs.end(), predPLTP);
03082 <font class="comment">// truncate.</font>
03083 lightInfs.resize( <a class="code" href="bit__set_8cpp.html#a0">min</a>(lightInfs.size(), (uint)CTileLightInfluence::NumLightPerCorner) );
03084
03085
03086 <font class="comment">// For each of them, fill TLI</font>
03087 <font class="comment">//---------</font>
03088 CTileLightInfUnpack tli;
03089 uint lightInfId;
03090 <font class="keywordflow">for</font>(lightInfId=0; lightInfId<lightInfs.size(); lightInfId++)
03091 {
03092 CPointLightRT *pl= lightInfs[lightInfId];
03093
03094 <font class="comment">// copy light.</font>
03095 tli.Light[lightInfId]= pl;
03096 <font class="comment">// Compute light Diffuse factor.</font>
03097 CVector dir= pl->BSphere.Center - pos;
03098 dir.normalize();
03099 tli.LightFactor[lightInfId]= dir * normal;
03100 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tli.LightFactor[lightInfId], 0.f, 1.f);
03101 <font class="comment">// modulate by light attenuation.</font>
03102 tli.LightFactor[lightInfId]*= pl->PointLight.computeLinearAttenuation(pos);
03103
03104 <font class="comment">// Inc RefCount of the light.</font>
03105 pl->RefCount++;
03106 }
03107 <font class="comment">// Reset any empty slot to NULL.</font>
03108 <font class="keywordflow">for</font>(; lightInfId<CTileLightInfluence::NumLightPerCorner; lightInfId++)
03109 {
03110 tli.Light[lightInfId]= NULL;
03111 }
03112
03113
03114 <font class="comment">// Set TLI in patch.</font>
03115 <font class="comment">//---------</font>
03116 pfpl.TileLightInfluences[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*pfpl.WidthTLI + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= tli;
03117 }
03118 }
03119 }
03120
03121
03122 <font class="comment">// compress and setup _PatchInfo with compressed data.</font>
03123 <font class="comment">//===========</font>
03124 uint plId= 0;
03125 <font class="comment">// Process each pointLights</font>
03126 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>.size(); i++)
03127 {
03128 CPointLightRT &plRT= <a class="code" href="classNL3D_1_1CZoneLighter.html#z923_2">_StaticPointLights</a>[i];
03129 <font class="comment">// If this light is used.</font>
03130 <font class="keywordflow">if</font>(plRT.RefCount > 0)
03131 {
03132 <font class="comment">// Must Copy it into Zone.</font>
03133 listPointLight.push_back(plRT.PointLight);
03134 plRT.DstId= plId++;
03135 <font class="comment">// If index >= 255, too many lights (NB: => because 255 is a NULL code).</font>
03136 <font class="keywordflow">if</font>(plId>=0xFF)
03137 {
03138 <font class="keywordflow">throw</font> Exception(<font class="stringliteral">"Too many Static Point Lights influence the zone!!"</font>);
03139 }
03140 }
03141 }
03142
03143 <font class="comment">// For each patch, compress TLI in PatchInfo.</font>
03144 <font class="keywordflow">for</font>(i=0; i<patchForPLs.size(); i++)
03145 {
03146 CPatchForPL &pfpl= patchForPLs[i];
03147 CPatchInfo &pInfo= <a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>[i];
03148
03149 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= pfpl.WidthTLI;
03150 uint h= pfpl.HeightTLI;
03151
03152 <font class="comment">// Fill pInfo.TileLightInfluences</font>
03153 pInfo.TileLightInfluences.resize(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h);
03154 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
03155 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= 0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><h; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
03156 {
03157 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= 0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
03158 {
03159 uint tliId= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
03160 <font class="comment">// For all light slot</font>
03161 <font class="keywordflow">for</font>(uint lightId= 0; lightId<CTileLightInfluence::NumLightPerCorner; lightId++)
03162 {
03163 CTileLightInfUnpack &tliSrc= pfpl.TileLightInfluences[tliId];
03164 CTileLightInfluence &tliDst= pInfo.TileLightInfluences[tliId];
03165 <font class="keywordflow">if</font>(tliSrc.Light[lightId] == NULL)
03166 {
03167 <font class="comment">// Mark as unused.</font>
03168 tliDst.Light[lightId]= 0xFF;
03169 }
03170 <font class="keywordflow">else</font>
03171 {
03172 <font class="comment">// Get index.</font>
03173 tliDst.Light[lightId]= tliSrc.Light[lightId]->DstId;
03174 <font class="comment">// Get Diffuse Factor.</font>
03175 tliDst.setDiffuseLightFactor(lightId, (uint8)(tliSrc.LightFactor[lightId]*255));
03176 }
03177 }
03178 }
03179 }
03180
03181 }
03182
03183 }
03184
03187 <font class="comment">// TileFlagsForPositionTowardWater</font>
03190 <font class="comment"></font>
03191
03192 <font class="comment">//==================================================================</font>
<a name="l03194"></a><a class="code" href="zone__lighter_8cpp.html#a13">03194</a> <font class="comment">static inline bool operator < (const CTileOfPatch &lhs, const CTileOfPatch &rhs)</font>
03195 {
03196 <font class="keywordflow">return</font> lhs.Patch == rhs.Patch ?
03197 lhs.TileId < rhs.TileId :
03198 lhs.Patch < rhs.Patch;
03199 };
03200
<a name="l03202"></a><a class="code" href="zone__lighter_8cpp.html#a6">03202</a> <font class="keyword">typedef</font> std::map<CTileOfPatch, NLMISC::CAABBox> <a class="code" href="zone__lighter_8cpp.html#a6">TTileOfPatchMap</a>;
03203
<a name="l03205"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c19">03205</a> <font class="keywordtype">void</font> CZoneLighter::computeTileFlagsForPositionTowardWater(<font class="keyword">const</font> CLightDesc &lightDesc,
03206 std::vector<const CTessFace*> &tessFaces
03207 )
03208 {
03209 uint numTileAbove = 0;
03210 uint numTileBelow = 0;
03211 uint numTileIntersect = 0;
03212
03214 <a class="code" href="zone__lighter_8cpp.html#a6">TTileOfPatchMap</a> tiles;
03215
03217 <font class="comment">// First, build the bbox for all tiles //</font>
03219 <font class="comment"></font>
03220 uint triCount = 0, totalTriCount = tessFaces.size();
03221
03222 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">"Dealing with %d tessFaces"</font>, tessFaces.size());
03223 <font class="keywordflow">for</font> (std::vector<const CTessFace*>::iterator it = tessFaces.begin(); it != tessFaces.end(); ++it, ++triCount)
03224 {
03226 <font class="keywordflow">if</font> ((*it)->Patch->getZone()->getZoneId() != <a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>) <font class="keywordflow">continue</font>;
03228 <font class="keywordflow">if</font> ((*it)->Patch->Tiles[(*it)->TileId].getVegetableState() == CTileElement::VegetableDisabled)
03229 <font class="keywordflow">continue</font>;
03230
03231 <a class="code" href="structCTileOfPatch.html">CTileOfPatch</a> top((*it)->TileId, (*it)->Patch);
03232 TTileOfPatchMap::iterator tileIt = tiles.find(top);
03233
03235 <font class="keywordflow">if</font> (tileIt == tiles.end()) <font class="comment">// first time ?</font>
03236 {
03238 <a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> b;
03239 b.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_3">setMinMax</a>((*it)->VBase->EndPos, (*it)->VLeft->EndPos);
03240 b.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>((*it)->VRight->EndPos);
03241 b.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>(b.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>() + lightDesc.VegetableHeight * <a class="code" href="classNLMISC_1_1CVector.html#p3">NLMISC::CVector::K</a>); <font class="comment">// adds vegetable height </font>
03242 tiles[top] = b;
03243 }
03244 <font class="keywordflow">else</font> <font class="comment">// extends the bbox with the given face</font>
03245 {
03246 <a class="code" href="classNLMISC_1_1CAABBox.html">NLMISC::CAABBox</a> &b = tileIt->second;
03247 b.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>((*it)->VBase->EndPos);
03248 b.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>((*it)->VRight->EndPos);
03249 b.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>((*it)->VLeft->EndPos);
03250 }
03251
03252 <font class="keywordflow">if</font> ((triCount % 100) == 0)
03253 {
03254 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Building bbox from tiles"</font>, (<font class="keywordtype">float</font>) triCount / totalTriCount);
03255 }
03256 }
03257
03258 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Building bbox from tiles"</font>, 1.f);
03259
03260
03261
03263 <font class="comment">// Now, check each tile bbox against water shapes //</font>
03265 <font class="comment"> NLMISC::CPolygon waterPoly;</font>
03266 <a class="code" href="classNLMISC_1_1CPolygon2D.html">NLMISC::CPolygon2D</a> tilePoly;
03267 tilePoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>.resize(4);
03268
03269 uint tileCount = 0, totalTileCount = tiles.size();
03270
03271 <font class="keywordflow">for</font> (TTileOfPatchMap::iterator tileIt = tiles.begin(); tileIt != tiles.end(); ++tileIt, ++tileCount)
03272 {
03273 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> v0 = tileIt->second.getMin();
03274 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> v1 = tileIt->second.getMax();
03275
03277 tilePoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[0].set(v0.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, v0.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
03278 tilePoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[1].set(v1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, v0.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
03279 tilePoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[2].set(v1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, v1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
03280 tilePoly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[3].set(v0.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, v1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
03281
03283 <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.clearSelection();
03284 <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.select(tileIt->second.getMin(), tileIt->second.getMax());
03285
03286 CTileElement &te = tileIt->first.Patch->Tiles[tileIt->first.TileId]; <font class="comment">// alias to the current tile element</font>
03287
03289 TWaterShapeQuadGrid::CIterator qgIt;
03290 <font class="keywordflow">for</font> (qgIt = <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.begin(); qgIt != <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.end(); ++qgIt)
03291 {
03292
03293 (*qgIt)->getShapeInWorldSpace(waterPoly);
03294 <a class="code" href="classNLMISC_1_1CPolygon2D.html">NLMISC::CPolygon2D</a> poly(waterPoly);
03295 <font class="keywordflow">if</font> (poly.<a class="code" href="classNLMISC_1_1CPolygon2D.html#a8">intersect</a>(tilePoly)) <font class="comment">// above or below a water surface ? </font>
03296 {
03298 <font class="keywordtype">float</font> waterHeight = waterPoly.Vertices[0].z;
03299
03300 <font class="keywordflow">if</font> (v1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> < waterHeight)
03301 {
03302 <font class="comment">// below</font>
03303 te.setVegetableState(CTileElement::UnderWater);
03304 <font class="comment">//nlassert(te.getVegetableState() == CTileElement::UnderWater);</font>
03305 ++ numTileBelow;
03306 }
03307 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (v0. <a class="code" href="driver__opengl__extension__def_8h.html#a366">z</a> > waterHeight)
03308 {
03309 <font class="comment">// above</font>
03310 te.setVegetableState(CTileElement::AboveWater);
03311 <font class="comment">//nlassert(te.getVegetableState() == CTileElement::AboveWater);</font>
03312 ++ numTileAbove;
03313 }
03314 <font class="keywordflow">else</font>
03315 {
03316 <font class="comment">// intersect water</font>
03317 te.setVegetableState(CTileElement::IntersectWater);
03318 <font class="comment">//nlassert(te.getVegetableState() == CTileElement::IntersectWater);</font>
03319 ++ numTileIntersect;
03320 }
03321 <font class="keywordflow">break</font>;
03322 }
03323 }
03324
03325 <font class="keywordflow">if</font> (qgIt == <a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>.end()) <font class="comment">// no intersection found ? if yes it's above water</font>
03326 {
03327 te.setVegetableState(CTileElement::AboveWater);
03328 <font class="comment">//nlassert(te.getVegetableState() == CTileElement::AboveWater);</font>
03329 ++ numTileAbove;
03330 }
03331
03332 <font class="keywordflow">if</font> ((tileCount % 50) == 0)
03333 {
03334 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Computing tile position towards water"</font>, (<font class="keywordtype">float</font>) tileCount / totalTileCount);
03335 }
03336 }
03337
03338 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a>(<font class="stringliteral">"Computing tile position towards water"</font>, 1.f);
03339
03340 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">" %d tiles are above water."</font>, numTileAbove);
03341 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">" %d tiles are below water."</font>, numTileBelow);
03342 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">" %d tiles intersect water."</font>, numTileIntersect);
03343
03344
03345
03347 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNL3D_1_1CZoneLighter.html#o41">_WaterShapeQuadGrid</a>);
03348 }
03349
<a name="l03351"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c20">03351</a> <font class="keywordtype">void</font> CZoneLighter::setTileFlagsToDefault(std::vector<const CTessFace*> &tessFaces)
03352 {
03354 <font class="keywordflow">for</font> (std::vector<const CTessFace*>::iterator it = tessFaces.begin(); it != tessFaces.end(); ++it)
03355 {
03356 <font class="keywordflow">if</font> ((*it)->Patch->getZone()->getZoneId() != <a class="code" href="classNL3D_1_1CZoneLighter.html#o4">_ZoneToLight</a>) <font class="keywordflow">continue</font>;
03357 CTileElement &te = (*it)->Patch->Tiles[(*it)->TileId];
03358 <font class="keywordflow">if</font> (te.getVegetableState() != CTileElement::VegetableDisabled)
03359 {
03360 te.setVegetableState(CTileElement::AboveWater);
03361 }
03362 }
03363 }
03364
03365
<a name="l03367"></a><a class="code" href="classNL3D_1_1CZoneLighter.html#c21">03367</a> uint CZoneLighter::getAPatch (uint process)
03368 {
03369 <font class="comment">// Accessor</font>
03370 CSynchronized<std::vector<bool> >::CAccessor access (&<a class="code" href="classNL3D_1_1CZoneLighter.html#o9">_PatchComputed</a>);
03371
03372 <font class="comment">// Current index</font>
03373 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = <a class="code" href="classNL3D_1_1CZoneLighter.html#o10">_LastPatchComputed</a>[process];
03374 uint firstIndex = <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
03375
03376 <font class="keywordflow">if</font> (access.value().size() == 0)
03377 <font class="comment">// no more patches</font>
03378 <font class="keywordflow">return</font> 0xffffffff;
03379
03380 <font class="keywordflow">while</font> (access.value()[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>])
03381 {
03382 <font class="comment">// Next patch</font>
03383 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>++;
03384
03385 <font class="comment">// First ?</font>
03386 <font class="keywordflow">if</font> (firstIndex == <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)
03387 <font class="comment">// no more patches</font>
03388 <font class="keywordflow">return</font> 0xffffffff;
03389
03390 <font class="comment">// Last patch ?</font>
03391 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> == <a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>.size())
03392 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> = 0;
03393 }
03394
03395 <font class="comment">// Visited</font>
03396 access.value()[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>] = <font class="keyword">true</font>;
03397
03398 <font class="comment">// Last index</font>
03399 <a class="code" href="classNL3D_1_1CZoneLighter.html#o10">_LastPatchComputed</a>[process] = <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
03400 <a class="code" href="classNL3D_1_1CZoneLighter.html#o11">_NumberOfPatchComputed</a>++;
03401
03402 <font class="comment">// Print</font>
03403 <a class="code" href="classNL3D_1_1CZoneLighter.html#a8">progress</a> (<font class="stringliteral">"Lighting patches"</font>, (<font class="keywordtype">float</font>)<a class="code" href="classNL3D_1_1CZoneLighter.html#o11">_NumberOfPatchComputed</a>/(<font class="keywordtype">float</font>)<a class="code" href="classNL3D_1_1CZoneLighter.html#o23">_PatchInfo</a>.size());
03404
03405 <font class="comment">// Return the index</font>
03406 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
03407 }
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