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<hr><h1>patch_lightmap.cpp</h1><a href="patch__lightmap_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
00027 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00028
00029
00030 <font class="preprocessor">#include "<a class="code" href="patch_8h.html">3d/patch.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="tessellation_8h.html">3d/tessellation.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="bezier__patch_8h.html">3d/bezier_patch.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="src_23d_2zone_8h.html">3d/zone.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="landscape_8h.html">3d/landscape.h</a>"</font>
00035 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00036 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="patchuv__locator_8h.html">3d/patchuv_locator.h</a>"</font>
00038 <font class="preprocessor">#include "<a class="code" href="vegetable__manager_8h.html">3d/vegetable_manager.h</a>"</font>
00039 <font class="preprocessor">#include "<a class="code" href="fast__floor_8h.html">3d/fast_floor.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="light__influence__interpolator_8h.html">3d/light_influence_interpolator.h</a>"</font>
00041 <font class="preprocessor">#include "<a class="code" href="patchdlm__context_8h.html">3d/patchdlm_context.h</a>"</font>
00042 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00043 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00044
00045
00046 <font class="keyword">namespace </font>NL3D
00047 {
00048
00049
00050 <font class="comment">// ***************************************************************************</font>
00051 <font class="comment">// Precalc table used to decompress shadow map</font>
00052 <font class="comment">// NB: if you want to change thoses values, see unpackLumelBlock, cause hardcoded.</font>
00053 <font class="keyword">static</font> <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a173">NL3DDecompressLumelFactor0Case0</a>[8]=
00054 {
00055 7, 0, 6, 5, 4, 3, 2, 1
00056 };
00057 <font class="keyword">static</font> <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a174">NL3DDecompressLumelFactor1Case0</a>[8]=
00058 {
00059 0, 7, 1, 2, 3, 4, 5, 6
00060 };
00061 <font class="keyword">static</font> <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a175">NL3DDecompressLumelFactor0Case1</a>[6]=
00062 {
00063 5, 0, 4, 3, 2, 1,
00064 };
00065 <font class="keyword">static</font> <font class="keyword">const</font> uint <a class="code" href="namespaceNL3D.html#a176">NL3DDecompressLumelFactor1Case1</a>[6]=
00066 {
00067 0, 5, 1, 2, 3, 4,
00068 };
00069 <font class="comment">// ***************************************************************************</font>
<a name="l00070"></a><a class="code" href="classNL3D_1_1CPatch.html#c2">00070</a> <font class="keywordtype">void</font> CPatch::unpackLumelBlock (uint8 *dest, <font class="keyword">const</font> uint8 *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>)
00071 {
00072 <font class="comment">// Take the two alpha values</font>
00073 uint alpha0=<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[0];
00074 uint alpha1=<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[1];
00075
00076 <font class="comment">// precompute the 8 possible values, for each possible code.</font>
00077 <font class="comment">// ------------------</font>
00078 uint8 values[8];
00079 <font class="comment">// Case 0</font>
00080 <font class="keywordflow">if</font> (alpha0>alpha1)
00081 {
00082 <font class="comment">// unrolled, and hardcoded for faster compute</font>
00083 values[0]= alpha0;
00084 values[1]= alpha1;
00085 values[2]= (uint8) ( (alpha0*219 + alpha1*37 ) >>8 ) ; <font class="comment">// 6*256/7</font>
00086 values[3]= (uint8) ( (alpha0*183 + alpha1*73 ) >>8 ) ; <font class="comment">// 5*256/7</font>
00087 values[4]= (uint8) ( (alpha0*146 + alpha1*110) >>8 ) ; <font class="comment">// 4*256/7</font>
00088 values[5]= (uint8) ( (alpha0*110 + alpha1*146) >>8 ) ; <font class="comment">// 3*256/7</font>
00089 values[6]= (uint8) ( (alpha0*73 + alpha1*183) >>8 ) ; <font class="comment">// 2*256/7</font>
00090 values[7]= (uint8) ( (alpha0*37 + alpha1*219) >>8 ) ; <font class="comment">// 1*256/7</font>
00091 }
00092 <font class="comment">// Case 1</font>
00093 <font class="keywordflow">else</font>
00094 {
00095 <font class="comment">// unrolled, and hardcoded for faster compute</font>
00096 values[0]= alpha0;
00097 values[1]= alpha1;
00098 values[2]= (uint8) ( (alpha0*205 + alpha1*51 ) >>8 ) ; <font class="comment">// 4*256/5</font>
00099 values[3]= (uint8) ( (alpha0*154 + alpha1*102) >>8 ) ; <font class="comment">// 3*256/5</font>
00100 values[4]= (uint8) ( (alpha0*102 + alpha1*154) >>8 ) ; <font class="comment">// 2*256/5</font>
00101 values[5]= (uint8) ( (alpha0*51 + alpha1*205) >>8 ) ; <font class="comment">// 1*256/5</font>
00102 values[6]= 0;
00103 values[7]= 255;
00104 }
00105
00106
00107 <font class="comment">// For each pixel, set the value according to the code</font>
00108 <font class="comment">// ------------------</font>
00109 uint block8Pixs[2];
00110 <font class="comment">// Split the 48 bits data in 2 24 bits pass.</font>
00111 block8Pixs[0]= ((uint)<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[2]<<16) + ((uint)<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[3]<<8) + ((uint)<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[4]) ;
00112 block8Pixs[1]= ((uint)<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[5]<<16) + ((uint)<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[6]<<8) + ((uint)<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[7]) ;
00113
00114 <font class="comment">// write all lumels</font>
00115 <font class="keywordflow">for</font>(uint i=0; i<2; i++)
00116 {
00117 uint blockPix= block8Pixs[i];
00118 <font class="comment">// parse the 8 pixs, and write seq to dest</font>
00119 <font class="keywordflow">for</font>(uint n=8; n>0; n--, dest++)
00120 {
00121 uint code= (blockPix>>21)&0x7;
00122
00123 <font class="comment">// read LUT, and store</font>
00124 *dest= values[code];
00125
00126 <font class="comment">// shift the block</font>
00127 blockPix<<= 3;
00128 }
00129 }
00130
00131 }
00132
00133 <font class="comment">// ***************************************************************************</font>
00134 <font class="keyword">inline</font> uint8 <a class="code" href="namespaceNL3D.html#a386">getUnpackLumelBlock</a> (<font class="keyword">const</font> uint8 *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, uint pixel)
00135 {
00136 <font class="comment">// Offset of the bit</font>
00137 pixel*=3;
00138 uint <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>=(pixel>>3)+2;
00139 uint bits=pixel&7;
00140
00141 <font class="comment">// Uncompress 16 codes</font>
00142 uint code;
00143
00144 <font class="comment">// Get the code</font>
00145 <font class="keywordflow">if</font> (bits<=5)
00146 code=(<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>]>>(5-bits))&0x7;
00147 <font class="keywordflow">else</font>
00148 code= ( (<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>]<<(bits-5)) | (<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>+1]>>(13-bits)) )&0x7;
00149
00150 <font class="comment">// Case 0</font>
00151 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[0]><a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[1])
00152 {
00153 <font class="comment">// Decompress the data</font>
00154 <font class="keywordflow">return</font> (uint8)((<a class="code" href="namespaceNL3D.html#a173">NL3DDecompressLumelFactor0Case0</a>[code]*<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[0]+<a class="code" href="namespaceNL3D.html#a174">NL3DDecompressLumelFactor1Case0</a>[code]*<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[1])/7);
00155 }
00156 <font class="comment">// Case 1</font>
00157 <font class="keywordflow">else</font>
00158 {
00159 <font class="comment">// Decompress the data</font>
00160 <font class="keywordflow">if</font> (code<6)
00161 <font class="keywordflow">return</font> (uint8)((<a class="code" href="namespaceNL3D.html#a175">NL3DDecompressLumelFactor0Case1</a>[code]*<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[0]+<a class="code" href="namespaceNL3D.html#a176">NL3DDecompressLumelFactor1Case1</a>[code]*<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[1])/5);
00162 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (code==6)
00163 <font class="keywordflow">return</font> 0;
00164 <font class="keywordflow">else</font>
00165 <font class="keywordflow">return</font> 255;
00166 }
00167 }
00168
00169 <font class="comment">// ***************************************************************************</font>
<a name="l00170"></a><a class="code" href="classNL3D_1_1CPatch.html#a34">00170</a> <font class="keywordtype">void</font> CPatch::unpackShadowMap (uint8 *pLumelDest)
00171 {
00172 <font class="comment">// Input of compresed data</font>
00173 uint8 *compressedData=&<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[0];
00174
00175 <font class="comment">// Number of lumel by lines</font>
00176 uint lumelCount=<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
00177
00178 <font class="comment">// Number of block in a line</font>
00179 <a class="code" href="debug_8h.html#a6">nlassert</a> ((lumelCount&0x3)==0);
00180 uint numLumelBlock=lumelCount>>2;
00181
00182 <font class="comment">// Number of line</font>
00183 uint lineCount=<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
00184
00185 <font class="comment">// Number of block line</font>
00186 <a class="code" href="debug_8h.html#a6">nlassert</a> ((lineCount&0x3)==0);
00187 uint numLineBlock=lineCount>>2;
00188
00189 <font class="comment">// Destination lumel block size</font>
00190 uint lumelDestBlockSize=4;
00191
00192 <font class="comment">// Destination lumel line block size</font>
00193 uint lumelDestLineBlockSize=lumelCount*lumelDestBlockSize;
00194
00195 <font class="comment">// Each line block</font>
00196 <font class="keywordflow">for</font> (uint lineBlock=0; lineBlock<numLineBlock; lineBlock++)
00197 {
00198 uint countVx4=16;
00199
00200 <font class="comment">// Block pointer</font>
00201 uint8 *blockLine=pLumelDest;
00202
00203 <font class="comment">// Each lumel block</font>
00204 <font class="keywordflow">for</font> (uint lumelBlock=0; lumelBlock<numLumelBlock; lumelBlock++)
00205 {
00206 <font class="comment">// *** Unpack the block</font>
00207 uint countU=4;
00208
00209 <font class="comment">// Destination lumel</font>
00210 uint8 *blockDest=blockLine;
00211
00212 <font class="comment">// Temp block</font>
00213 uint8 block[4*4];
00214
00215 <font class="comment">// Block unpacking...</font>
00216 <a class="code" href="classNL3D_1_1CPatch.html#c2">unpackLumelBlock</a> (block, compressedData);
00217
00218 <font class="comment">// Copy the lumels</font>
00219 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a><countVx4; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>+=4)
00220 {
00221 <font class="keywordflow">for</font> (uint u=0; u<countU; u++)
00222 {
00223 <font class="comment">// Copy the lumel</font>
00224 blockDest[u]=block[<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>+u];
00225 }
00226
00227 <font class="comment">// Next line</font>
00228 blockDest+=lumelCount;
00229 }
00230
00231 <font class="comment">// Next source block</font>
00232 compressedData+=<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>;
00233
00234 <font class="comment">// Next block on the line</font>
00235 blockLine+=lumelDestBlockSize;
00236 }
00237
00238 <font class="comment">// Next line of block</font>
00239 pLumelDest+=lumelDestLineBlockSize;
00240 }
00241 }
00242
00243 <font class="comment">// ***************************************************************************</font>
<a name="l00244"></a><a class="code" href="classNL3D_1_1CPatch.html#c1">00244</a> uint CPatch::evalLumelBlock (<font class="keyword">const</font> uint8 *original, <font class="keyword">const</font> uint8 *unCompressed, uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00245 {
00246 <font class="comment">// Sum</font>
00247 uint sum=0;
00248
00249 <font class="comment">// Eval error for each..</font>
00250 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a><<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>++)
00251 <font class="keywordflow">for</font> (uint u=0; u<<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; u++)
00252 {
00253 sum += abs((sint)original[<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>*4+u]-(sint)unCompressed[<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>*4+u]);
00254 }
00255
00256 <font class="comment">// return the sum</font>
00257 <font class="keywordflow">return</font> sum;
00258 }
00259
00260 <font class="comment">// ***************************************************************************</font>
<a name="l00261"></a><a class="code" href="classNL3D_1_1CPatch.html#c0">00261</a> <font class="keywordtype">void</font> CPatch::packLumelBlock (uint8 *dest, <font class="keyword">const</font> uint8 *source, uint8 alpha0, uint8 alpha1)
00262 {
00263 <font class="comment">// Precalc the height values..</font>
00264 uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[8];
00265
00266 <font class="comment">// For each value</font>
00267 uint i;
00268 <font class="keywordflow">for</font> (i=0; i<8; i++)
00269 {
00270 <font class="comment">// Case 0 or 1 ?</font>
00271 <font class="keywordflow">if</font> (alpha0>alpha1)
00272 <font class="comment">// Case 0</font>
00273 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[i]=(<a class="code" href="namespaceNL3D.html#a173">NL3DDecompressLumelFactor0Case0</a>[i]*alpha0+<a class="code" href="namespaceNL3D.html#a174">NL3DDecompressLumelFactor1Case0</a>[i]*alpha1)/7;
00274 <font class="keywordflow">else</font>
00275 {
00276 <font class="keywordflow">if</font> (i<6)
00277 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[i]=(<a class="code" href="namespaceNL3D.html#a175">NL3DDecompressLumelFactor0Case1</a>[i]*alpha0+<a class="code" href="namespaceNL3D.html#a176">NL3DDecompressLumelFactor1Case1</a>[i]*alpha1)/5;
00278 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (i==6)
00279 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[i]=0;
00280 <font class="keywordflow">else</font>
00281 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[i]=255;
00282 }
00283 }
00284
00285 <font class="comment">// Store alpha value</font>
00286 dest[0]=alpha0;
00287 dest[1]=alpha1;
00288
00289 <font class="comment">// Clear dest codes</font>
00290 <font class="keywordflow">for</font> (i=0; i<6; i++)
00291 {
00292 <font class="comment">// Clear the code</font>
00293 dest[2+i]=0;
00294 }
00295
00296 <font class="comment">// For each original select the best</font>
00297 uint codeOffset=2;
00298 sint codeShift=5;
00299 <font class="keywordflow">for</font> (i=0; i<16; i++)
00300 {
00301 <font class="comment">// Best dist and code</font>
00302 uint bestDist=10000;
00303 uint8 bestCode=0;
00304
00305 <font class="comment">// Calc distance</font>
00306 <font class="keywordflow">for</font> (uint code=0; code<8; code++)
00307 {
00308 <font class="comment">// Distance from original value</font>
00309 uint dist=abs ((sint)(source[i])-(sint)(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[code]));
00310
00311 <font class="comment">// The best ?</font>
00312 <font class="keywordflow">if</font> (dist<bestDist)
00313 {
00314 <font class="comment">// New best</font>
00315 bestDist=dist;
00316 bestCode=code;
00317 }
00318
00319 <font class="comment">// Perfect, stop searching</font>
00320 <font class="keywordflow">if</font> (dist==0)
00321 <font class="keywordflow">break</font>;
00322 }
00323
00324 <font class="comment">// Store the best</font>
00325 <font class="keywordflow">if</font> (codeShift>=0)
00326 dest[codeOffset]|=bestCode<<codeShift;
00327 <font class="keywordflow">else</font>
00328 {
00329 dest[codeOffset]|=bestCode>>(-codeShift);
00330 dest[codeOffset+1]|=bestCode<<(8+codeShift);
00331 }
00332
00333
00334 <font class="comment">// Next shift</font>
00335 codeShift-=3;
00336 <font class="keywordflow">if</font> (codeShift<=-3)
00337 {
00338 codeOffset++;
00339 codeShift+=8;
00340 }
00341 }
00342 }
00343
00344 <font class="comment">// ***************************************************************************</font>
<a name="l00345"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_17">00345</a> <font class="keywordtype">void</font> CPatch::getTileTileColors(uint ts, uint tt, CRGBA corners[4])
00346 {
00347 <font class="keywordflow">for</font>(sint i=0;i<4;i++)
00348 {
00349 CTileColor &tcol= <a class="code" href="classNL3D_1_1CPatch.html#m5">TileColors</a>[ (tt+(i>>1))*(<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>+1) + (ts+(i&1)) ];
00350 CRGBA &col= corners[i];
00351 col.set565 (tcol.Color565);
00352 }
00353 }
00354
00355
00356 <font class="comment">// ***************************************************************************</font>
00357 <font class="comment">// bilinear at center of the pixels. x E [0, 3], y E [0, 3].</font>
00358 <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a387">bilinearColor</a>(CRGBA corners[4], uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint &R, uint &G, uint &B)
00359 {
00360 <font class="comment">// Fast bilinear and modulate. </font>
00361 <font class="comment">// \todo yoyo: TODO_OPTIMIZE: should be ASMed later. (MMX...)</font>
00362 <font class="comment">// hardcoded for 4 pixels.</font>
00363 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>==4);
00364
00365 <font class="comment">// expand to be on center of pixel=> 1,3,5 or 7.</font>
00366 <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><<1)+1;
00367 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><<1)+1;
00368 uint x1= 8-<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00369 uint y1= 8-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00370
00371 <font class="comment">// compute weight factors.</font>
00372 uint xy= <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>;
00373 uint x1y= x1*<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00374 uint xy1= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*y1;
00375 uint x1y1= x1*y1;
00376
00377 <font class="comment">// bilinear</font>
00378 <font class="comment">// pix left top.</font>
00379 R = corners[0].R * x1y1;
00380 G = corners[0].G * x1y1;
00381 B = corners[0].B * x1y1;
00382 <font class="comment">// pix right top.</font>
00383 R+= corners[1].R * xy1;
00384 G+= corners[1].G * xy1;
00385 B+= corners[1].B * xy1;
00386 <font class="comment">// pix left bottom.</font>
00387 R+= corners[2].R * x1y;
00388 G+= corners[2].G * x1y;
00389 B+= corners[2].B * x1y;
00390 <font class="comment">// pix right bottom.</font>
00391 R+= corners[3].R * xy;
00392 G+= corners[3].G * xy;
00393 B+= corners[3].B * xy;
00394
00395 }
00396
00397
00398 <font class="comment">// ***************************************************************************</font>
00399 <font class="comment">// bilinear at center of the pixels. x E [0, 3], y E [0, 3].</font>
00400 <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a388">bilinearColorAndModulate</a>(CRGBA corners[4], uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, CRGBA &<a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>)
00401 {
00402 uint R,G,B;
00403 <a class="code" href="namespaceNL3D.html#a387">bilinearColor</a>(corners, <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>, R, G, B);
00404
00405 <font class="comment">// modulate with input.</font>
00406 R*= <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.R;
00407 G*= <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.G;
00408 B*= <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.B;
00409
00410 <font class="comment">// result.</font>
00411 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.R= R >> 14;
00412 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.G= G >> 14;
00413 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.B= B >> 14;
00414 }
00415
00416
00417 <font class="comment">// ***************************************************************************</font>
00418 <font class="comment">// bilinear at center of the pixels. x E [0, 3], y E [0, 3].</font>
00419 <font class="keyword">inline</font> <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a389">bilinearColorAndAdd</a>(CRGBA corners[4], uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, CRGBA &<a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>)
00420 {
00421 uint R,G,B;
00422 <a class="code" href="namespaceNL3D.html#a387">bilinearColor</a>(corners, <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>, R, G, B);
00423
00424 <font class="comment">// add with input.</font>
00425 R= (R>>6) + <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.R;
00426 G= (G>>6) + <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.G;
00427 B= (B>>6) + <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.B;
00428 R= <a class="code" href="bit__set_8cpp.html#a0">min</a>(R, 255U);
00429 G= <a class="code" href="bit__set_8cpp.html#a0">min</a>(G, 255U);
00430 B= <a class="code" href="bit__set_8cpp.html#a0">min</a>(B, 255U);
00431
00432 <font class="comment">// result.</font>
00433 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.R= R;
00434 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.G= G;
00435 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>.B= B;
00436 }
00437
00438
00439
00440 <font class="comment">// ***************************************************************************</font>
<a name="l00441"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_14">00441</a> <font class="keywordtype">void</font> CPatch::modulateTileLightmapWithTileColors(uint ts, uint tt, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
00442 {
00443 <font class="comment">// Get the tileColors around this tile</font>
00444 CRGBA corners[4];
00445 <a class="code" href="classNL3D_1_1CPatch.html#z682_17">getTileTileColors</a>(ts, tt, corners);
00446
00447 <font class="comment">// For all lumel, bilinear.</font>
00448 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>;
00449 <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><<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00450 {
00451 <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="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00452 {
00453 <font class="comment">// compute this pixel, and modulate</font>
00454 <a class="code" href="namespaceNL3D.html#a388">bilinearColorAndModulate</a>(corners, <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>, dest[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]);
00455 }
00456 }
00457 }
00458
00459
00460 <font class="comment">// ***************************************************************************</font>
<a name="l00461"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_15">00461</a> <font class="keywordtype">void</font> CPatch::modulateTileLightmapEdgeWithTileColors(uint ts, uint tt, uint edge, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keywordtype">bool</font> inverse)
00462 {
00463 <font class="comment">// Get the tileColors around this tile</font>
00464 CRGBA corners[4];
00465 <a class="code" href="classNL3D_1_1CPatch.html#z682_17">getTileTileColors</a>(ts, tt, corners);
00466
00467 <font class="comment">// get coordinate according to edge.</font>
00468 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;
00469 <font class="keywordflow">switch</font>(edge)
00470 {
00471 <font class="keywordflow">case</font> 0: <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= 0; <font class="keywordflow">break</font>;
00472 <font class="keywordflow">case</font> 1: <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1; <font class="keywordflow">break</font>;
00473 <font class="keywordflow">case</font> 2: <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1; <font class="keywordflow">break</font>;
00474 <font class="keywordflow">case</font> 3: <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= 0; <font class="keywordflow">break</font>;
00475 };
00476
00477 <font class="comment">// For all lumel of the edge, bilinear.</font>
00478 uint i;
00479 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; i++)
00480 {
00481 <font class="comment">// if vertical edge</font>
00482 <font class="keywordflow">if</font>( (edge&1)==0 ) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= i;
00483 <font class="comment">// else horizontal edge</font>
00484 <font class="keywordflow">else</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= i;
00485
00486 <font class="comment">// manage inverse.</font>
00487 uint where;
00488 <font class="keywordflow">if</font>(inverse) where= (<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1)-i;
00489 <font class="keywordflow">else</font> where= i;
00490 <font class="comment">// compute this pixel, and modulate</font>
00491 <a class="code" href="namespaceNL3D.html#a388">bilinearColorAndModulate</a>(corners, <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>, dest[where*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>]);
00492 }
00493 }
00494
00495
00496 <font class="comment">// ***************************************************************************</font>
<a name="l00497"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_16">00497</a> <font class="keywordtype">void</font> CPatch::modulateTileLightmapPixelWithTileColors(uint ts, uint tt, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, CRGBA *dest)
00498 {
00499 <font class="comment">// Get the tileColors around this tile</font>
00500 CRGBA corners[4];
00501 <a class="code" href="classNL3D_1_1CPatch.html#z682_17">getTileTileColors</a>(ts, tt, corners);
00502
00503 <font class="comment">// compute this pixel, and modulate</font>
00504 <a class="code" href="namespaceNL3D.html#a388">bilinearColorAndModulate</a>(corners, <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>, *dest);
00505 }
00506
00507
00508
00509 <font class="comment">// ***************************************************************************</font>
<a name="l00510"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_8">00510</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapAutomatic(uint ts, uint tt, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
00511 {
00512 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>;
00513 <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><<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00514 {
00515 <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="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00516 {
00517 <font class="comment">// compute this pixel.</font>
00518 <a class="code" href="classNL3D_1_1CPatch.html#z682_10">computeTileLightmapPixelAutomatic</a>(ts, tt, <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>, dest+ <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>);
00519 }
00520 }
00521 }
00522
00523 <font class="comment">// ***************************************************************************</font>
<a name="l00524"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_9">00524</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapEdgeAutomatic(uint ts, uint tt, uint edge, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keywordtype">bool</font> inverse)
00525 {
00526 <font class="comment">// get coordinate according to edge.</font>
00527 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;
00528 <font class="keywordflow">switch</font>(edge)
00529 {
00530 <font class="keywordflow">case</font> 0: <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= 0; <font class="keywordflow">break</font>;
00531 <font class="keywordflow">case</font> 1: <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1; <font class="keywordflow">break</font>;
00532 <font class="keywordflow">case</font> 2: <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1; <font class="keywordflow">break</font>;
00533 <font class="keywordflow">case</font> 3: <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= 0; <font class="keywordflow">break</font>;
00534 };
00535
00536 uint i;
00537 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; i++)
00538 {
00539 <font class="comment">// if vertical edge</font>
00540 <font class="keywordflow">if</font>( (edge&1)==0 ) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= i;
00541 <font class="comment">// else horizontal edge</font>
00542 <font class="keywordflow">else</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= i;
00543
00544 <font class="comment">// manage inverse.</font>
00545 uint where;
00546 <font class="keywordflow">if</font>(inverse) where= (<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1)-i;
00547 <font class="keywordflow">else</font> where= i;
00548 <font class="comment">// compute this pixel.</font>
00549 <a class="code" href="classNL3D_1_1CPatch.html#z682_10">computeTileLightmapPixelAutomatic</a>(ts, tt, <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>, dest+ where*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00550 }
00551 }
00552
00553 <font class="comment">// ***************************************************************************</font>
<a name="l00554"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_10">00554</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapPixelAutomatic(uint ts, uint tt, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, CRGBA *dest)
00555 {
00556 <font class="keywordtype">float</font> u,<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00557 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">float</font> lumelSize= 1.f/<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
00558
00559 <font class="comment">// use 3 computeVertex to compute a normal. This is slow....</font>
00560 CVector p0, p1 ,p2;
00561 <font class="comment">// 1st vert. Top-left of the lumel.</font>
00562 u= (ts + <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>*lumelSize )/<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>;
00563 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= (tt + <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*lumelSize )/<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>;
00564 p0= <a class="code" href="classNL3D_1_1CPatch.html#a16">computeVertex</a>(u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00565 <font class="comment">// 2nd vert. Bottom-left of the lumel.</font>
00566 u= (ts + <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>*lumelSize )/<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>;
00567 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= (tt + (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+1)*lumelSize )/<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>;
00568 p1= <a class="code" href="classNL3D_1_1CPatch.html#a16">computeVertex</a>(u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00569 <font class="comment">// 3rd vert. Center-Right of the lumel.</font>
00570 u= (ts + (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+1)*lumelSize )/<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>;
00571 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= (tt + (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>+0.5f)*lumelSize )/<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>;
00572 p2= <a class="code" href="classNL3D_1_1CPatch.html#a16">computeVertex</a>(u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00573
00574 <font class="comment">// the normal.</font>
00575 CVector normal;
00576 normal= (p1-p0)^(p2-p0);
00577 normal.normalize();
00578
00579 <font class="comment">// lighting.</font>
00580 <font class="keywordtype">float</font> c= -normal*<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getAutomaticLightDir();
00581 c= max(c, 0.f);
00582 sint ic;
00583
00584 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00585 <font class="preprocessor"></font> <font class="comment">// FastFloor using fistp. Don't care convention.</font>
00586 <font class="keywordtype">float</font> fc= c*256;
00587 _asm
00588 {
00589 fld fc
00590 fistp ic
00591 }
00592 <font class="preprocessor">#else</font>
00593 <font class="preprocessor"></font> ic= (sint)floor(c*256);
00594 <font class="preprocessor">#endif</font>
00595 <font class="preprocessor"></font> <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(ic, 0, 255);
00596
00597 <font class="comment">// ambiant/diffuse lighting.</font>
00598 *dest= <a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getStaticLight()[ic];
00599 }
00600
00601
00602 <font class="comment">// ***************************************************************************</font>
<a name="l00603"></a><a class="code" href="classNL3D_1_1CPatch.html#z686_3">00603</a> <font class="keywordtype">void</font> CPatch::getTileLumelmapPrecomputed(uint ts, uint tt, uint8 *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
00604 {
00605 <font class="comment">// Unpack the lumels</font>
00606 uint8 buffer[<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>];
00607 <a class="code" href="classNL3D_1_1CPatch.html#c2">unpackLumelBlock</a> (buffer, &(<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[(ts + (tt*<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>))*<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>]));
00608
00609 <font class="comment">// Retrun it</font>
00610 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>;
00611 <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><<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00612 {
00613 <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="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00614 {
00615 <font class="comment">// lumel</font>
00616 dest[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= buffer[<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="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>)];
00617 }
00618 }
00619 }
00620
00621
00622 <font class="comment">// ***************************************************************************</font>
<a name="l00623"></a><a class="code" href="classNL3D_1_1CPatch.html#z686_4">00623</a> <font class="keywordtype">void</font> CPatch::getTileLumelmapPixelPrecomputed(uint ts, uint tt, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, uint8 &dest)<font class="keyword"> const</font>
00624 <font class="keyword"></font>{
00625 <font class="comment">// Return the lumel</font>
00626 dest= <a class="code" href="namespaceNL3D.html#a386">getUnpackLumelBlock</a> (&(<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[(ts + (tt*<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>))*<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</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><<2));
00627 }
00628
00629
00630 <font class="comment">// ***************************************************************************</font>
<a name="l00631"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_11">00631</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapPrecomputed(uint ts, uint tt, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
00632 {
00633 <font class="comment">// Lumel table</font>
00634 <font class="keyword">const</font> CRGBA* colorTable=<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a> ()->getStaticLight ();
00635 <font class="comment">// Unpack the lumels</font>
00636 uint8 buffer[<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>];
00637 <a class="code" href="classNL3D_1_1CPatch.html#c2">unpackLumelBlock</a> (buffer, &(<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[(ts + (tt*<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>))*<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>]));
00638
00639 <font class="comment">// Retrun it</font>
00640 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>;
00641 <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><<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00642 {
00643 <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="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00644 {
00645 <font class="comment">// lumel</font>
00646 dest[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]=colorTable[buffer[<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="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>)]];
00647 }
00648 }
00649 }
00650
00651 <font class="comment">// ***************************************************************************</font>
00652
00653 <font class="keyword">static</font> uint <a class="code" href="namespaceNL3D.html#a177">NL3DPixelStartLumel</a>[4]={0, 4*3, 3, 0};
00654 <font class="keyword">static</font> uint <a class="code" href="namespaceNL3D.html#a178">NL3DDeltaLumel</a>[4]={4, 1, 4, 1};
00655
00656 <font class="comment">// ***************************************************************************</font>
<a name="l00657"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_12">00657</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapEdgePrecomputed(uint ts, uint tt, uint edge, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keywordtype">bool</font> inverse)
00658 {
00659 <font class="comment">// Lumel table</font>
00660 <font class="keyword">const</font> CRGBA* colorTable=<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a> ()->getStaticLight ();
00661
00662 <font class="comment">// Witch corner to start ?</font>
00663 uint pixel=<a class="code" href="namespaceNL3D.html#a177">NL3DPixelStartLumel</a>[edge];
00664 uint delta=<a class="code" href="namespaceNL3D.html#a178">NL3DDeltaLumel</a>[edge];
00665
00666 <font class="comment">// For each lumels</font>
00667 <font class="keyword">const</font> uint8 *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>=&(<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[(ts + (tt*<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>))*<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>]);
00668 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00669 <font class="keywordflow">if</font> (inverse)
00670 {
00671 uint inverseStride=<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>*(4-1);
00672 <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><4; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00673 {
00674 <font class="comment">// lumel</font>
00675 dest[inverseStride-<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>]=colorTable[<a class="code" href="namespaceNL3D.html#a386">getUnpackLumelBlock</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, pixel)];
00676 pixel+=delta;
00677 }
00678 }
00679 <font class="keywordflow">else</font>
00680 {
00681 <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><4; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00682 {
00683 <font class="comment">// lumel</font>
00684 dest[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>]=colorTable[<a class="code" href="namespaceNL3D.html#a386">getUnpackLumelBlock</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, pixel)];
00685 pixel+=delta;
00686 }
00687 }
00688 }
00689
00690 <font class="comment">// ***************************************************************************</font>
<a name="l00691"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_13">00691</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapPixelPrecomputed(uint ts, uint tt, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, CRGBA *dest)
00692 {
00693 <font class="comment">// Lumel table</font>
00694 <font class="keyword">const</font> CRGBA* colorTable=<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a> ()->getStaticLight ();
00695
00696 <font class="comment">// Return the lumel</font>
00697 *dest=colorTable[<a class="code" href="namespaceNL3D.html#a386">getUnpackLumelBlock</a> (&(<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[(ts + (tt*<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>))*<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</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><<2))];
00698 }
00699
00700
00701
00702 <font class="comment">// ***************************************************************************</font>
<a name="l00703"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_5">00703</a> <font class="keywordtype">void</font> CPatch::computeTileLightmap(uint ts, uint tt, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
00704 {
00705 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getAutomaticLighting())
00706 <a class="code" href="classNL3D_1_1CPatch.html#z682_8">computeTileLightmapAutomatic</a>(ts, tt, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00707 <font class="keywordflow">else</font>
00708 {
00709 <a class="code" href="classNL3D_1_1CPatch.html#z682_11">computeTileLightmapPrecomputed</a>(ts, tt, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00710 <font class="comment">// Add the inlufence of TLI.</font>
00711 <a class="code" href="classNL3D_1_1CPatch.html#z682_20">addTileLightmapWithTLI</a>(ts, tt, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00712 }
00713
00714 <font class="comment">// modulate dest with tileColors (at center of lumels).</font>
00715 <a class="code" href="classNL3D_1_1CPatch.html#z682_14">modulateTileLightmapWithTileColors</a>(ts, tt, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>);
00716 }
00717 <font class="comment">// ***************************************************************************</font>
<a name="l00718"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_6">00718</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapEdge(uint ts, uint tt, uint edge, CRGBA *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keywordtype">bool</font> inverse)
00719 {
00720 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getAutomaticLighting())
00721 <a class="code" href="classNL3D_1_1CPatch.html#z682_9">computeTileLightmapEdgeAutomatic</a>(ts, tt, edge, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, inverse);
00722 <font class="keywordflow">else</font>
00723 {
00724 <a class="code" href="classNL3D_1_1CPatch.html#z682_12">computeTileLightmapEdgePrecomputed</a>(ts, tt, edge, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, inverse);
00725 <font class="comment">// Add the inlufence of TLI.</font>
00726 <a class="code" href="classNL3D_1_1CPatch.html#z682_21">addTileLightmapEdgeWithTLI</a>(ts, tt, edge, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, inverse);
00727 }
00728
00729 <font class="comment">// modulate dest with tileColors (at center of lumels).</font>
00730 <a class="code" href="classNL3D_1_1CPatch.html#z682_15">modulateTileLightmapEdgeWithTileColors</a>(ts, tt, edge, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, inverse);
00731 }
00732
00733
00734 <font class="comment">// ***************************************************************************</font>
<a name="l00735"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_7">00735</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapPixel(uint ts, uint tt, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, CRGBA *dest)
00736 {
00737 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getAutomaticLighting())
00738 <a class="code" href="classNL3D_1_1CPatch.html#z682_10">computeTileLightmapPixelAutomatic</a>(ts, tt, <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>, dest);
00739 <font class="keywordflow">else</font>
00740 {
00741 <a class="code" href="classNL3D_1_1CPatch.html#z682_13">computeTileLightmapPixelPrecomputed</a>(ts, tt, <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>, dest);
00742 <font class="comment">// Add the inlufence of TLI.</font>
00743 <a class="code" href="classNL3D_1_1CPatch.html#z682_22">addTileLightmapPixelWithTLI</a>(ts, tt, <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>, dest);
00744 }
00745
00746 <font class="comment">// modulate dest with tileColors (at center of lumels).</font>
00747 <a class="code" href="classNL3D_1_1CPatch.html#z682_16">modulateTileLightmapPixelWithTileColors</a>(ts, tt, <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>, dest);
00748 }
00749
00750
00751 <font class="comment">// ***************************************************************************</font>
<a name="l00752"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_4">00752</a> <font class="keywordtype">void</font> CPatch::computeTileLightmapPixelAroundCorner(<font class="keyword">const</font> CVector2f &stIn, CRGBA *dest, <font class="keywordtype">bool</font> lookAround)
00753 {
00754 <font class="keywordtype">bool</font> mustLookOnNeighbor= <font class="keyword">false</font>;
00755
00756 <font class="comment">// Get the Uv, in [0,Order?*NL_LUMEL_BY_TILE] basis (ie lumel basis).</font>
00757 sint u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00758 u= (sint)floor(stIn.x*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
00759 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= (sint)floor(stIn.y*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
00760
00761 <font class="comment">// if allowed, try to go on neighbor patch.</font>
00762 <font class="keywordflow">if</font>(lookAround)
00763 {
00764 <font class="comment">// try to know if we must go on a neighbor patch (maybe false with bind X/1).</font>
00765 <font class="keywordflow">if</font>( u<0 || u>=<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a> || v<0 || v>=<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>)
00766 mustLookOnNeighbor= <font class="keyword">true</font>;
00767 }
00768
00769
00770 <font class="comment">// If we must get (if possible) the pixel in the current patch, do it.</font>
00771 <font class="keywordflow">if</font>(!mustLookOnNeighbor)
00772 {
00773 <font class="comment">// if out this patch, abort.</font>
00774 <font class="keywordflow">if</font>( u<0 || u>=<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a> || v<0 || v>=<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>)
00775 <font class="keywordflow">return</font>;
00776 <font class="keywordflow">else</font>
00777 {
00778 <font class="comment">// get this pixel.</font>
00779 <a class="code" href="classNL3D_1_1CPatch.html#z682_7">computeTileLightmapPixel</a>(u>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, u&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), dest);
00780 }
00781 }
00782 <font class="comment">// else get from the best neighbor patch.</font>
00783 <font class="keywordflow">else</font>
00784 {
00785 <font class="comment">// choose against which edge we must find the pixel.</font>
00786 uint edge=0;
00787 <font class="keywordflow">if</font>(u<0) edge=0;
00788 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>>=<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>) edge=1;
00789 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(u>=<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>) edge=2;
00790 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a><0) edge=3;
00791
00792 <font class="comment">// retrieve info on neighbor.</font>
00793 CBindInfo bindInfo;
00794 <a class="code" href="classNL3D_1_1CPatch.html#a13">getBindNeighbor</a>(edge, bindInfo);
00795
00796 <font class="comment">// if neighbor present.</font>
00797 <font class="keywordflow">if</font>(bindInfo.Zone)
00798 {
00799 CVector2f stOut;
00800 <a class="code" href="classNL3D_1_1CPatch.html#a0">CPatch</a> *patchOut;
00801 uint patchId;
00802
00803 <font class="comment">// Ok, search uv on this patch.</font>
00804 CPatchUVLocator uvLocator;
00805 uvLocator.build(<font class="keyword">this</font>, edge, bindInfo);
00806 patchId= uvLocator.selectPatch(stIn);
00807 uvLocator.locateUV(stIn, patchId, patchOut, stOut);
00808
00809 <font class="comment">// retry only one time, so at next call, must find the data IN htis patch (else abort).</font>
00810 patchOut->computeTileLightmapPixelAroundCorner(stOut, dest, <font class="keyword">false</font>);
00811 }
00812 }
00813 }
00814
00815
00816 <font class="comment">// ***************************************************************************</font>
<a name="l00817"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_3">00817</a> <font class="keywordtype">void</font> CPatch::computeNearBlockLightmap(uint uts, uint utt, CRGBA *lightText)
00818 {
00819 sint ts= uts;
00820 sint tt= utt;
00821
00822 <font class="comment">// hardcoded for 10x10.</font>
00823 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>==10);
00824 CRGBA *dest;
00825 uint edge;
00826 uint corner;
00827
00828 <font class="comment">// Compute center of the TessBlock: the 2x2 tiles.</font>
00829 <font class="comment">//=================</font>
00830 <font class="comment">// compute tile 0,0 of the tessBlock. must decal of 1 pixel.</font>
00831 dest= lightText+<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>+1;
00832 <a class="code" href="classNL3D_1_1CPatch.html#z682_5">computeTileLightmap</a>(ts, tt, dest, <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>);
00833 <font class="comment">// compute tile 1,0 of the tessBlock. must decal of 1 pixel.</font>
00834 dest= lightText + <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a> + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>+1 ;
00835 <a class="code" href="classNL3D_1_1CPatch.html#z682_5">computeTileLightmap</a>(ts+1, tt, dest, <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>);
00836 <font class="comment">// compute tile 0,1 of the tessBlock. must decal of 1 pixel.</font>
00837 dest= lightText + <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a> + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>+1 ;
00838 <a class="code" href="classNL3D_1_1CPatch.html#z682_5">computeTileLightmap</a>(ts, tt+1, dest, <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>);
00839 <font class="comment">// compute tile 1,1 of the tessBlock. must decal of 1 pixel.</font>
00840 dest= lightText + <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a> + <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a> + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>+1 ;
00841 <a class="code" href="classNL3D_1_1CPatch.html#z682_5">computeTileLightmap</a>(ts+1, tt+1, dest, <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>);
00842
00843
00844 <font class="comment">// Compute edges of the TessBlock.</font>
00845 <font class="comment">//=================</font>
00846 <font class="keywordtype">bool</font> edgeBorder[4];
00847 <font class="comment">// where are we on a border of a patch??</font>
00848 edgeBorder[0]= ( ts==0 );
00849 edgeBorder[1]= ( tt == <a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>-2 );
00850 edgeBorder[2]= ( ts == <a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>-2 );
00851 edgeBorder[3]= ( tt==0 );
00852
00853 <font class="comment">// For all edges.</font>
00854 <font class="keywordflow">for</font>(edge=0; edge<4; edge++)
00855 {
00856 <font class="comment">// compute dest info.</font>
00857 <font class="comment">//==============</font>
00858 <font class="comment">// Are we on a vertical edge or horizontal edge??</font>
00859 uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>= (edge&1)==0? <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a> : 1;
00860
00861 <font class="comment">// must compute on which tile we must find info.</font>
00862 sint decalS=0;
00863 sint decalT=0;
00864 <font class="comment">// and must compute ptr, where we store the result of the edge.</font>
00865 <font class="keywordflow">switch</font>(edge)
00866 {
00867 <font class="keywordflow">case</font> 0: decalS=-1; dest= lightText + 0 + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
00868 <font class="keywordflow">case</font> 1: decalT= 2; dest= lightText + 1 + (<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>-1)*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
00869 <font class="keywordflow">case</font> 2: decalS= 2; dest= lightText + (<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>-1) + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
00870 <font class="keywordflow">case</font> 3: decalT=-1; dest= lightText + 1; <font class="keywordflow">break</font>;
00871 };
00872
00873 <font class="comment">// compute the second tile dest info.</font>
00874 CRGBA *dest2;
00875 sint decalS2;
00876 sint decalT2;
00877 <font class="comment">// if vertical edge.</font>
00878 <font class="keywordflow">if</font>((edge&1)==0)
00879 {
00880 <font class="comment">// Next Y tile.</font>
00881 dest2= dest + <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>;
00882 decalS2= decalS;
00883 decalT2= decalT+1;
00884 }
00885 <font class="keywordflow">else</font>
00886 {
00887 <font class="comment">// Next X tile.</font>
00888 dest2= dest + <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
00889 decalS2= decalS+1;
00890 decalT2= decalT;
00891 }
00892
00893
00894 <font class="comment">// If we are not on a border of a patch, just compute on the interior of the patch.</font>
00895 <font class="comment">//==============</font>
00896 <font class="keywordflow">if</font>(!edgeBorder[edge])
00897 {
00898 <font class="comment">// find the result on the mirrored border of us. First tile.</font>
00899 <a class="code" href="classNL3D_1_1CPatch.html#z682_6">computeTileLightmapEdge</a>(ts+decalS, tt+decalT, (edge+2)&3, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keyword">false</font>);
00900
00901 <font class="comment">// find the result on the mirrored border of us. Second Tile.</font>
00902 <a class="code" href="classNL3D_1_1CPatch.html#z682_6">computeTileLightmapEdge</a>(ts+decalS2, tt+decalT2, (edge+2)&3, dest2, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keyword">false</font>);
00903
00904 }
00905 <font class="comment">// else, slightly complicated, must find the result on neighbor patch(s).</font>
00906 <font class="comment">//==============</font>
00907 <font class="keywordflow">else</font>
00908 {
00909 CPatchUVLocator uvLocator;
00910 CBindInfo bindInfo;
00911 bindInfo.Zone= NULL;
00912
00913 <font class="comment">// if smmothed edge, search the neighbor.</font>
00914 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#a40">getSmoothFlag</a>(edge))
00915 {
00916 <font class="comment">// Build the bindInfo against this edge.</font>
00917 <a class="code" href="classNL3D_1_1CPatch.html#a13">getBindNeighbor</a>(edge, bindInfo);
00918
00919 <font class="comment">// if ok, build the uv info against this edge.</font>
00920 <font class="keywordflow">if</font>(bindInfo.Zone)
00921 {
00922 uvLocator.build(<font class="keyword">this</font>, edge, bindInfo);
00923 <font class="comment">// if there is not same tile order across the edge, invalidate the smooth.</font>
00924 <font class="comment">// This is rare, so don't bother.</font>
00925 <font class="keywordflow">if</font>(!uvLocator.sameEdgeOrder())
00926 bindInfo.Zone= NULL;
00927 }
00928 }
00929
00930
00931 <font class="comment">// Fast reject: if no neighbor, or if not smoothed, or if edge order pb, just copy from my interior.</font>
00932 <font class="keywordflow">if</font>(!bindInfo.Zone)
00933 {
00934 CRGBA *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>=0;
00935 <font class="keywordflow">switch</font>(edge)
00936 {
00937 <font class="keywordflow">case</font> 0: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest + 1; <font class="keywordflow">break</font>;
00938 <font class="keywordflow">case</font> 1: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest - <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
00939 <font class="keywordflow">case</font> 2: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest - 1; <font class="keywordflow">break</font>;
00940 <font class="keywordflow">case</font> 3: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
00941 };
00942
00943 <font class="comment">// fill the NL_LUMEL_BY_TILE*2 (8) pixels.</font>
00944 <font class="keywordflow">for</font>(uint n=<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>*2; n>0; n--, <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>+=<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, dest+=<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
00945 *dest= *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
00946 }
00947 <font class="comment">// else, ok, get from neighbor.</font>
00948 <font class="keywordflow">else</font>
00949 {
00950 CVector2f stIn, stOut;
00951 <a class="code" href="classNL3D_1_1CPatch.html#a0">CPatch</a> *patchOut;
00952 uint patchId;
00953 uint edgeOut;
00954 <font class="keywordtype">bool</font> inverse;
00955
00956 <font class="comment">// First Tile.</font>
00957 <font class="comment">//=========</font>
00958 <font class="comment">// to remove floor pbs, take the center of the wanted tile.</font>
00959 stIn.set(ts+decalS + 0.5f, tt+decalT + 0.5f);
00960 patchId= uvLocator.selectPatch(stIn);
00961 uvLocator.locateUV(stIn, patchId, patchOut, stOut);
00962 <font class="comment">// must find what edge on neighbor to compute, and if we must inverse (swap) result.</font>
00963 <font class="comment">// easy: the edge of the tile is the edge of the patch where we are binded.</font>
00964 edgeOut= bindInfo.Edge[patchId];
00965 <font class="comment">// edge0 is oriented in T increasing order. edge1 is oriented in S increasing order.</font>
00966 <font class="comment">// edge2 is oriented in T decreasing order. edge3 is oriented in S decreasing order.</font>
00967 <font class="comment">// inverse is true if same sens on both edges (because of mirroring, sens should be different).</font>
00968 inverse= (edge>>1)==(edgeOut>>1);
00969 <font class="comment">// compute the lightmap on the edge of the neighbor.</font>
00970 patchOut->computeTileLightmapEdge((sint)floor(stOut.x), (sint)floor(stOut.y), edgeOut, dest, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, inverse);
00971
00972 <font class="comment">// Second Tile.</font>
00973 <font class="comment">//=========</font>
00974 <font class="comment">// same reasoning.</font>
00975 stIn.set(ts+decalS2 + 0.5f, tt+decalT2 + 0.5f);
00976 patchId= uvLocator.selectPatch(stIn);
00977 uvLocator.locateUV(stIn, patchId, patchOut, stOut);
00978 edgeOut= bindInfo.Edge[patchId];
00979 inverse= (edge>>1)==(edgeOut>>1);
00980 patchOut->computeTileLightmapEdge((sint)floor(stOut.x), (sint)floor(stOut.y), edgeOut, dest2, <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, inverse);
00981 }
00982
00983 }
00984 }
00985
00986
00987 <font class="comment">// Compute corners of the TessBlock.</font>
00988 <font class="comment">//=================</font>
00989 <font class="keywordtype">bool</font> cornerOnPatchEdge[4];
00990 <font class="keywordtype">bool</font> cornerOnPatchCorner[4];
00991 <font class="comment">// where are we on a edge border of a patch??</font>
00992 cornerOnPatchEdge[0]= edgeBorder[3] != edgeBorder[0];
00993 cornerOnPatchEdge[1]= edgeBorder[0] != edgeBorder[1];
00994 cornerOnPatchEdge[2]= edgeBorder[1] != edgeBorder[2];
00995 cornerOnPatchEdge[3]= edgeBorder[2] != edgeBorder[3];
00996 <font class="comment">// where are we on a corner border of a patch??</font>
00997 cornerOnPatchCorner[0]= edgeBorder[3] && edgeBorder[0];
00998 cornerOnPatchCorner[1]= edgeBorder[0] && edgeBorder[1];
00999 cornerOnPatchCorner[2]= edgeBorder[1] && edgeBorder[2];
01000 cornerOnPatchCorner[3]= edgeBorder[2] && edgeBorder[3];
01001
01002 <font class="comment">// For all corners.</font>
01003 <font class="keywordflow">for</font>(corner=0; corner<4; corner++)
01004 {
01005 <font class="comment">// compute dest info.</font>
01006 <font class="comment">//==============</font>
01007 <font class="comment">// must compute on which tile we must find info.</font>
01008 sint decalS=0;
01009 sint decalT=0;
01010 <font class="comment">// and must compute ptr, where we store the result of the corner.</font>
01011 <font class="keywordflow">switch</font>(corner)
01012 {
01013 <font class="keywordflow">case</font> 0: decalS=-1; decalT=-1; dest= lightText + 0 + 0; <font class="keywordflow">break</font>;
01014 <font class="keywordflow">case</font> 1: decalS=-1; decalT= 2; dest= lightText + 0 + (<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>-1)*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
01015 <font class="keywordflow">case</font> 2: decalS= 2; decalT= 2; dest= lightText + (<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>-1) + (<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>-1)*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
01016 <font class="keywordflow">case</font> 3: decalS= 2; decalT=-1; dest= lightText + (<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>-1) + 0; <font class="keywordflow">break</font>;
01017 };
01018
01019
01020 <font class="comment">// If we are not on a border of a patch, just compute on the interior of the patch.</font>
01021 <font class="comment">//==============</font>
01022 <font class="comment">// if the corner is IN the patch.</font>
01023 <font class="keywordflow">if</font>(!cornerOnPatchCorner[corner] && !cornerOnPatchEdge[corner])
01024 {
01025 <font class="comment">// what pixel to read.</font>
01026 uint subS, subT;
01027 <font class="keywordflow">if</font>(decalS==-1) subS= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1;
01028 <font class="keywordflow">else</font> subS= 0;
01029 <font class="keywordflow">if</font>(decalT==-1) subT= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1;
01030 <font class="keywordflow">else</font> subT= 0;
01031
01032 <font class="comment">// find the result on the corner of the neighbor tile.</font>
01033 <a class="code" href="classNL3D_1_1CPatch.html#z682_7">computeTileLightmapPixel</a>(ts+decalS, tt+decalT, subS, subT, dest);
01034 }
01035 <font class="keywordflow">else</font>
01036 {
01037 <font class="comment">// By default, fill the corner with our interior corner. Because other methods may fail.</font>
01038 CRGBA *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>=0;
01039 <font class="keywordflow">switch</font>(corner)
01040 {
01041 <font class="keywordflow">case</font> 0: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest + 1 + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
01042 <font class="keywordflow">case</font> 1: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest + 1 - <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
01043 <font class="keywordflow">case</font> 2: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest - 1 - <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
01044 <font class="keywordflow">case</font> 3: <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= dest - 1 + <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>; <font class="keywordflow">break</font>;
01045 };
01046
01047 <font class="comment">// fill the pixel.</font>
01048 *dest= *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>;
01049
01050 <font class="comment">// get the coordinate of the corner, in our [0,Order] basis. get it at the center of the pixel.</font>
01051 CBindInfo bindInfo;
01052 CPatchUVLocator uvLocator;
01053 CVector2f stIn, stOut;
01054 <a class="code" href="classNL3D_1_1CPatch.html#a0">CPatch</a> *patchOut;
01055 uint patchId;
01056 <font class="keywordtype">float</font> decX, decY;
01057 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">float</font> lumelSize= 1.f/<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
01058 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">float</font> semiLumelSize= 0.5f*lumelSize;
01059
01060 <font class="keywordflow">if</font>(decalS==-1) decX= - semiLumelSize;
01061 <font class="keywordflow">else</font> decX= 2+ semiLumelSize;
01062 <font class="keywordflow">if</font>(decalT==-1) decY= - semiLumelSize;
01063 <font class="keywordflow">else</font> decY= 2+ semiLumelSize;
01064 stIn.set( ts+decX, tt+decY);
01065
01066
01067 <font class="comment">// if the corner is on One edge only of the patch.</font>
01068 <font class="keywordflow">if</font>(cornerOnPatchEdge[corner])
01069 {
01070 <font class="comment">// find the edge where to read this corner: hard edge after or before this corner.</font>
01071 <font class="keywordflow">if</font>(edgeBorder[corner]) edge= corner;
01072 <font class="keywordflow">else</font> edge= (corner+4-1) & 3;
01073
01074 <font class="comment">// if this edge is smoothed, find on neighbor.</font>
01075 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#a40">getSmoothFlag</a>(edge))
01076 {
01077 <font class="comment">// retrieve neigbhor info.</font>
01078 <a class="code" href="classNL3D_1_1CPatch.html#a13">getBindNeighbor</a>(edge, bindInfo);
01079
01080 <font class="comment">// if neighbor present.</font>
01081 <font class="keywordflow">if</font>(bindInfo.Zone)
01082 {
01083 <font class="comment">// Ok, search uv on this patch.</font>
01084 uvLocator.build(<font class="keyword">this</font>, edge, bindInfo);
01085 patchId= uvLocator.selectPatch(stIn);
01086 uvLocator.locateUV(stIn, patchId, patchOut, stOut);
01087
01088 <font class="comment">// Get the Uv, in [0,Order?*NL_LUMEL_BY_TILE] basis (ie lumel basis), and get from neighbor patch</font>
01089 sint u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
01090 u= (sint)floor(stOut.x*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
01091 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= (sint)floor(stOut.y*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
01092 patchOut->computeTileLightmapPixel(u>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, u&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), dest);
01093 }
01094 }
01095 <font class="comment">// else we must still smooth with our lumel on this patch, so get it from neighbor on edge.</font>
01096 <font class="keywordflow">else</font>
01097 {
01098 <font class="comment">// first, clamp to our patch (recenter on the previous pixel)</font>
01099 <font class="keywordflow">if</font>(stIn.x<0) stIn.x+= lumelSize;
01100 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(stIn.x><a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>) stIn.x-= lumelSize;
01101 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(stIn.y<0) stIn.y+= lumelSize;
01102 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(stIn.y><a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>) stIn.y-= lumelSize;
01103
01104 <font class="comment">// Get the Uv, in [0,Order?*NL_LUMEL_BY_TILE] basis (ie lumel basis), and get from this patch</font>
01105 sint u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
01106 u= (sint)floor(stIn.x*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
01107 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= (sint)floor(stIn.y*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
01108 <a class="code" href="classNL3D_1_1CPatch.html#z682_7">computeTileLightmapPixel</a>(u>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, u&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), dest);
01109 }
01110 }
01111 <font class="comment">// else it is on a corner of the patch.</font>
01112 <font class="keywordflow">else</font>
01113 {
01114 <font class="comment">// if the corner of the patch (same as tile corner) is smoothed, find on neighbor</font>
01115 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#z668_1">getCornerSmoothFlag</a>(corner))
01116 {
01117 <font class="comment">// retrieve neigbhor info. NB: use edgeId=corner, (corner X is the start of the edge X)it works.</font>
01118 <a class="code" href="classNL3D_1_1CPatch.html#a13">getBindNeighbor</a>(corner, bindInfo);
01119
01120 <font class="comment">// if neighbor present.</font>
01121 <font class="keywordflow">if</font>(bindInfo.Zone)
01122 {
01123 <font class="comment">// Ok, search uv on this patch.</font>
01124 uvLocator.build(<font class="keyword">this</font>, corner, bindInfo);
01125 patchId= uvLocator.selectPatch(stIn);
01126 uvLocator.locateUV(stIn, patchId, patchOut, stOut);
01127
01128 <font class="comment">// same reasoning as in computeDisplaceCornerSmooth(), must find the pixel on the neighbor </font>
01129 <font class="comment">// of our neighbor. But the current corner may be a corner on a bind X/1. All is managed by doing</font>
01130 <font class="comment">// this way.</font>
01131 patchOut->computeTileLightmapPixelAroundCorner(stOut, dest, <font class="keyword">true</font>);
01132 }
01133 }
01134 }
01135 }
01136
01137 }
01138
01139
01140 }
01141
01142
01143 <font class="comment">// ***************************************************************************</font>
<a name="l01144"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_0">01144</a> <font class="keywordtype">void</font> CPatch::getTileLightMap(uint ts, uint tt, CPatchRdrPass *&rdrpass)
01145 {
01146 <font class="comment">// TessBlocks must have been allocated.</font>
01147 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>.size()!=0);
01148
01149 <font class="comment">// get what tessBlock to use.</font>
01150 uint numtb, numtm;
01151 <a class="code" href="classNL3D_1_1CPatch.html#c35">computeTbTm</a>(numtb, numtm, ts, tt);
01152 CTessBlock &tessBlock= <a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>[numtb];
01153
01154 <font class="comment">// If the lightmap Id has not been computed, compute it.</font>
01155 <font class="keywordflow">if</font>(tessBlock.LightMapRefCount==0)
01156 {
01157 <font class="comment">// Compute the lightmap texture, with help of TileColors, with neighboring info etc...</font>
01158 CRGBA lightText[<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>];
01159 <a class="code" href="classNL3D_1_1CPatch.html#z682_3">computeNearBlockLightmap</a>(ts&(~1), tt&(~1), lightText);
01160
01161 <font class="comment">// Create a rdrPass with this texture, donlod to Driver etc...</font>
01162 tessBlock.LightMapId= <a class="code" href="classNL3D_1_1CPatch.html#o0">Zone</a>->Landscape->getTileLightMap(lightText, rdrpass);
01163
01164 <font class="comment">// store this rdrpass ptr.</font>
01165 tessBlock.LightMapRdrPass= rdrpass;
01166 }
01167
01168 <font class="comment">// We are using this 2x2 tiles lightmap.</font>
01169 tessBlock.LightMapRefCount++;
01170
01171
01172 <font class="comment">// get the rdrpass ptr of the tessBlock lightmap</font>
01173 rdrpass= tessBlock.LightMapRdrPass;
01174 }
01175
01176
01177 <font class="comment">// ***************************************************************************</font>
<a name="l01178"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_1">01178</a> <font class="keywordtype">void</font> CPatch::getTileLightMapUvInfo(uint ts, uint tt, CVector &uvScaleBias)
01179 {
01180 <font class="comment">// TessBlocks must have been allocated.</font>
01181 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>.size()!=0);
01182
01183 <font class="comment">// get what tessBlock to use.</font>
01184 uint numtb, numtm;
01185 <a class="code" href="classNL3D_1_1CPatch.html#c35">computeTbTm</a>(numtb, numtm, ts, tt);
01186 CTessBlock &tessBlock= <a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>[numtb];
01187
01188 <font class="comment">// Get the uvScaleBias for the tile 0,0 of the block.</font>
01189 <a class="code" href="classNL3D_1_1CPatch.html#o0">Zone</a>->Landscape->getTileLightMapUvInfo(tessBlock.LightMapId, uvScaleBias);
01190
01191 <font class="comment">// Must increment the bias, for the good tile in the 2x2 block Lightmap.</font>
01192 uint tsDec= ts & 1;
01193 uint ttDec= tt & 1;
01194 uvScaleBias.x+= tsDec * uvScaleBias.z;
01195 uvScaleBias.y+= ttDec * uvScaleBias.z;
01196 }
01197
01198
01199 <font class="comment">// ***************************************************************************</font>
<a name="l01200"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_2">01200</a> <font class="keywordtype">void</font> CPatch::releaseTileLightMap(uint ts, uint tt)
01201 {
01202 <font class="comment">// TessBlocks must have been allocated.</font>
01203 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>.size()!=0);
01204
01205 <font class="comment">// get what tessBlock to use.</font>
01206 uint numtb, numtm;
01207 <a class="code" href="classNL3D_1_1CPatch.html#c35">computeTbTm</a>(numtb, numtm, ts, tt);
01208 CTessBlock &tessBlock= <a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>[numtb];
01209
01210 <font class="comment">// If no more tileMaterial use this lightmap, release it.</font>
01211 <a class="code" href="debug_8h.html#a6">nlassert</a>(tessBlock.LightMapRefCount>0);
01212 tessBlock.LightMapRefCount--;
01213 <font class="keywordflow">if</font>(tessBlock.LightMapRefCount==0)
01214 {
01215 <a class="code" href="classNL3D_1_1CPatch.html#o0">Zone</a>->Landscape->releaseTileLightMap(tessBlock.LightMapId);
01216 }
01217 }
01218
01219 <font class="comment">// ***************************************************************************</font>
<a name="l01220"></a><a class="code" href="classNL3D_1_1CPatch.html#a35">01220</a> <font class="keywordtype">void</font> CPatch::packShadowMap (<font class="keyword">const</font> uint8 *pLumelSrc)
01221 {
01222 <font class="comment">// Number of lumel by lines</font>
01223 uint lumelCount=<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
01224
01225 <font class="comment">// Number of block in a line</font>
01226 <a class="code" href="debug_8h.html#a6">nlassert</a> ((lumelCount&0x3)==0);
01227 uint numLumelBlock=lumelCount>>2;
01228
01229 <font class="comment">// Number of line</font>
01230 uint lineCount=<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
01231
01232 <font class="comment">// Number of block line</font>
01233 <a class="code" href="debug_8h.html#a6">nlassert</a> ((lineCount&0x3)==0);
01234 uint numLineBlock=lineCount>>2;
01235
01236 <font class="comment">// Resize the compressed buffer</font>
01237 <a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>.resize (numLumelBlock*numLineBlock*<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>);
01238
01239 <font class="comment">// Input of compresed data</font>
01240 uint8 *compressedData=&<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[0];
01241
01242 <font class="comment">// Each line block</font>
01243 <font class="keywordflow">for</font> (uint lineBlock=0; lineBlock<numLineBlock; lineBlock++)
01244 {
01245 <font class="comment">// Block pointer</font>
01246 <font class="keyword">const</font> uint8 *blockLine=pLumelSrc;
01247
01248 <font class="comment">// Each lumel block</font>
01249 <font class="keywordflow">for</font> (uint lumelBlock=0; lumelBlock<numLumelBlock; lumelBlock++)
01250 {
01251 <font class="comment">// *** Unpack the block</font>
01252 uint countU;
01253
01254 <font class="comment">// Last block ?</font>
01255 <font class="keywordflow">if</font> (lumelBlock==numLumelBlock-1)
01256 countU=lumelCount&3;
01257 <font class="keywordflow">else</font>
01258 countU=4;
01259
01260 <font class="comment">// Destination lumel</font>
01261 <font class="keyword">const</font> uint8 *blockSrc=blockLine;
01262
01263 <font class="comment">// Temp block</font>
01264 uint8 originalBlock[4*4];
01265
01266 <font class="comment">// Copy the lumels in the bloc</font>
01267 <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a><<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>++)
01268 {
01269 <font class="keywordflow">for</font> (uint u=0; u<<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; u++)
01270 {
01271 <font class="comment">// Copy the lumel</font>
01272 originalBlock[(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a><<2)+u]=blockSrc[u];
01273 }
01274
01275 <font class="comment">// Next line</font>
01276 blockSrc+=lumelCount;
01277 }
01278
01279 <font class="comment">// Get min and max alpha</font>
01280 uint8 alphaMin=255;
01281 uint8 alphaMax=0;
01282
01283 <font class="comment">// Scan</font>
01284 <font class="keywordflow">for</font> (uint i=0; i<16; i++)
01285 {
01286 <font class="comment">// Min ?</font>
01287 <font class="keywordflow">if</font> (originalBlock[i]<alphaMin)
01288 alphaMin=originalBlock[i];
01289 <font class="keywordflow">if</font> (originalBlock[i]>alphaMax)
01290 alphaMax=originalBlock[i];
01291 }
01292
01293 <font class="comment">// *** Try to compress by 2 methods</font>
01294
01295 <font class="comment">// Blcok uncompressed</font>
01296 uint8 uncompressedBlock[4*4];
01297
01298 <font class="comment">// Pack the block</font>
01299 <a class="code" href="classNL3D_1_1CPatch.html#c0">packLumelBlock</a> (compressedData, originalBlock, alphaMin, alphaMax);
01300
01301 <font class="comment">// Unpack the block</font>
01302 <a class="code" href="classNL3D_1_1CPatch.html#c2">unpackLumelBlock</a> (uncompressedBlock, compressedData);
01303
01304 <font class="comment">// Eval error</font>
01305 uint firstMethod=<a class="code" href="classNL3D_1_1CPatch.html#c1">evalLumelBlock</a> (originalBlock, uncompressedBlock, <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>, <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
01306
01307 <font class="comment">// second compression</font>
01308 uint8 secondCompressedBlock[<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>];
01309 <a class="code" href="classNL3D_1_1CPatch.html#c0">packLumelBlock</a> (secondCompressedBlock, originalBlock, alphaMax, alphaMin);
01310
01311 <font class="comment">// Unpack the block</font>
01312 <a class="code" href="classNL3D_1_1CPatch.html#c2">unpackLumelBlock</a> (uncompressedBlock, secondCompressedBlock);
01313
01314 <font class="comment">// Eval error</font>
01315 uint secondMethod=<a class="code" href="classNL3D_1_1CPatch.html#c1">evalLumelBlock</a> (originalBlock, uncompressedBlock, <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>, <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>);
01316
01317 <font class="comment">// Second best ?</font>
01318 <font class="keywordflow">if</font> (secondMethod<firstMethod)
01319 {
01320 <font class="comment">// Copy compressed data</font>
01321 memcpy (compressedData, secondCompressedBlock, <a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>);
01322 }
01323
01324 <font class="comment">// Next source block</font>
01325 compressedData+=<a class="code" href="patch_8h.html#a8">NL_BLOCK_LUMEL_COMPRESSED_SIZE</a>;
01326
01327 <font class="comment">// Next block on the line</font>
01328 blockLine+=4;
01329 }
01330
01331 <font class="comment">// Next line of block</font>
01332 pLumelSrc+=lumelCount*4;
01333 }
01334 }
01335
01336 <font class="comment">// ***************************************************************************</font>
<a name="l01337"></a><a class="code" href="classNL3D_1_1CPatch.html#a36">01337</a> <font class="keywordtype">void</font> CPatch::resetCompressedLumels ()
01338 {
01339 <font class="comment">// Number of lumel by lines</font>
01340 uint lumelCount=<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
01341
01342 <font class="comment">// Number of block in a line</font>
01343 <a class="code" href="debug_8h.html#a6">nlassert</a> ((lumelCount&0x3)==0);
01344 uint numLumelBlock=lumelCount>>2;
01345
01346 <font class="comment">// Number of line</font>
01347 uint lineCount=<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>*<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>;
01348
01349 <font class="comment">// Number of block line</font>
01350 <a class="code" href="debug_8h.html#a6">nlassert</a> ((lineCount&0x3)==0);
01351 uint numLineBlock=lineCount>>2;
01352
01353 <font class="comment">// Size of the lumel array</font>
01354 uint size=numLineBlock*numLumelBlock*8;
01355
01356 <font class="comment">// 4 bits per lumel</font>
01357 <a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>.resize (size);
01358
01359 <font class="comment">// No line have shadows.</font>
01360 memset (&<a class="code" href="classNL3D_1_1CPatch.html#m3">CompressedLumels</a>[0], 0, size);
01361 }
01362
01363
01364 <font class="comment">// ***************************************************************************</font>
01365 <font class="comment">// ***************************************************************************</font>
01366 <font class="comment">// Functions (C/ASM).</font>
01367 <font class="comment">// ***************************************************************************</font>
01368 <font class="comment">// ***************************************************************************</font>
01369
01370
01371 <font class="comment">// ***************************************************************************</font>
<a name="l01372"></a><a class="code" href="patch__lightmap_8cpp.html#a0">01372</a> <font class="preprocessor">#define a00 tex[0]</font>
<a name="l01373"></a><a class="code" href="patch__lightmap_8cpp.html#a1">01373</a> <font class="preprocessor"></font><font class="preprocessor">#define a10 tex[1]</font>
<a name="l01374"></a><a class="code" href="patch__lightmap_8cpp.html#a2">01374</a> <font class="preprocessor"></font><font class="preprocessor">#define a20 tex[2]</font>
<a name="l01375"></a><a class="code" href="patch__lightmap_8cpp.html#a3">01375</a> <font class="preprocessor"></font><font class="preprocessor">#define a30 tex[3]</font>
<a name="l01376"></a><a class="code" href="patch__lightmap_8cpp.html#a4">01376</a> <font class="preprocessor"></font><font class="preprocessor">#define a40 tex[4]</font>
01377 <font class="preprocessor"></font>
<a name="l01378"></a><a class="code" href="patch__lightmap_8cpp.html#a5">01378</a> <font class="preprocessor">#define a01 tex[5]</font>
<a name="l01379"></a><a class="code" href="patch__lightmap_8cpp.html#a6">01379</a> <font class="preprocessor"></font><font class="preprocessor">#define a11 tex[6]</font>
<a name="l01380"></a><a class="code" href="patch__lightmap_8cpp.html#a7">01380</a> <font class="preprocessor"></font><font class="preprocessor">#define a21 tex[7]</font>
<a name="l01381"></a><a class="code" href="patch__lightmap_8cpp.html#a8">01381</a> <font class="preprocessor"></font><font class="preprocessor">#define a31 tex[8]</font>
<a name="l01382"></a><a class="code" href="patch__lightmap_8cpp.html#a9">01382</a> <font class="preprocessor"></font><font class="preprocessor">#define a41 tex[9]</font>
01383 <font class="preprocessor"></font>
<a name="l01384"></a><a class="code" href="patch__lightmap_8cpp.html#a10">01384</a> <font class="preprocessor">#define a02 tex[10]</font>
<a name="l01385"></a><a class="code" href="patch__lightmap_8cpp.html#a11">01385</a> <font class="preprocessor"></font><font class="preprocessor">#define a12 tex[11]</font>
<a name="l01386"></a><a class="code" href="patch__lightmap_8cpp.html#a12">01386</a> <font class="preprocessor"></font><font class="preprocessor">#define a22 tex[12]</font>
<a name="l01387"></a><a class="code" href="patch__lightmap_8cpp.html#a13">01387</a> <font class="preprocessor"></font><font class="preprocessor">#define a32 tex[13]</font>
<a name="l01388"></a><a class="code" href="patch__lightmap_8cpp.html#a14">01388</a> <font class="preprocessor"></font><font class="preprocessor">#define a42 tex[14]</font>
01389 <font class="preprocessor"></font>
<a name="l01390"></a><a class="code" href="patch__lightmap_8cpp.html#a15">01390</a> <font class="preprocessor">#define a03 tex[15]</font>
<a name="l01391"></a><a class="code" href="patch__lightmap_8cpp.html#a16">01391</a> <font class="preprocessor"></font><font class="preprocessor">#define a13 tex[16]</font>
<a name="l01392"></a><a class="code" href="patch__lightmap_8cpp.html#a17">01392</a> <font class="preprocessor"></font><font class="preprocessor">#define a23 tex[17]</font>
<a name="l01393"></a><a class="code" href="patch__lightmap_8cpp.html#a18">01393</a> <font class="preprocessor"></font><font class="preprocessor">#define a33 tex[18]</font>
<a name="l01394"></a><a class="code" href="patch__lightmap_8cpp.html#a19">01394</a> <font class="preprocessor"></font><font class="preprocessor">#define a43 tex[19]</font>
01395 <font class="preprocessor"></font>
<a name="l01396"></a><a class="code" href="patch__lightmap_8cpp.html#a20">01396</a> <font class="preprocessor">#define a04 tex[20]</font>
<a name="l01397"></a><a class="code" href="patch__lightmap_8cpp.html#a21">01397</a> <font class="preprocessor"></font><font class="preprocessor">#define a14 tex[21]</font>
<a name="l01398"></a><a class="code" href="patch__lightmap_8cpp.html#a22">01398</a> <font class="preprocessor"></font><font class="preprocessor">#define a24 tex[22]</font>
<a name="l01399"></a><a class="code" href="patch__lightmap_8cpp.html#a23">01399</a> <font class="preprocessor"></font><font class="preprocessor">#define a34 tex[23]</font>
<a name="l01400"></a><a class="code" href="patch__lightmap_8cpp.html#a24">01400</a> <font class="preprocessor"></font><font class="preprocessor">#define a44 tex[24]</font>
01401 <font class="preprocessor"></font>
01402 <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a390">NL3D_bilinearTileLightMap</a>(CRGBA *tex)
01403 {
01404 <font class="comment">// Fast bilinear of a 5x5 tile.</font>
01405 <font class="comment">// Corners must be set.</font>
01406 <font class="comment">// Later: pass it to ASM.</font>
01407
01408 <font class="comment">// Fill first column 0 and column 4.</font>
01409 <a class="code" href="patch__lightmap_8cpp.html#a10">a02</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a0">a00</a>, <a class="code" href="patch__lightmap_8cpp.html#a20">a04</a>);
01410 <a class="code" href="patch__lightmap_8cpp.html#a5">a01</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a0">a00</a>, <a class="code" href="patch__lightmap_8cpp.html#a10">a02</a>);
01411 <a class="code" href="patch__lightmap_8cpp.html#a15">a03</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a10">a02</a>, <a class="code" href="patch__lightmap_8cpp.html#a20">a04</a>);
01412 <a class="code" href="patch__lightmap_8cpp.html#a14">a42</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a4">a40</a>, <a class="code" href="patch__lightmap_8cpp.html#a24">a44</a>);
01413 <a class="code" href="patch__lightmap_8cpp.html#a9">a41</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a4">a40</a>, <a class="code" href="patch__lightmap_8cpp.html#a14">a42</a>);
01414 <a class="code" href="patch__lightmap_8cpp.html#a19">a43</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a14">a42</a>, <a class="code" href="patch__lightmap_8cpp.html#a24">a44</a>);
01415
01416 <font class="comment">// Fill Line 0.</font>
01417 <a class="code" href="patch__lightmap_8cpp.html#a2">a20</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a0">a00</a>, <a class="code" href="patch__lightmap_8cpp.html#a4">a40</a>);
01418 <a class="code" href="patch__lightmap_8cpp.html#a1">a10</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a0">a00</a>, <a class="code" href="patch__lightmap_8cpp.html#a2">a20</a>);
01419 <a class="code" href="patch__lightmap_8cpp.html#a3">a30</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a2">a20</a>, <a class="code" href="patch__lightmap_8cpp.html#a4">a40</a>);
01420
01421 <font class="comment">// Fill Line 1.</font>
01422 <a class="code" href="patch__lightmap_8cpp.html#a7">a21</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a5">a01</a>, <a class="code" href="patch__lightmap_8cpp.html#a9">a41</a>);
01423 <a class="code" href="patch__lightmap_8cpp.html#a6">a11</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a5">a01</a>, <a class="code" href="patch__lightmap_8cpp.html#a7">a21</a>);
01424 <a class="code" href="patch__lightmap_8cpp.html#a8">a31</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a7">a21</a>, <a class="code" href="patch__lightmap_8cpp.html#a9">a41</a>);
01425
01426 <font class="comment">// Fill Line 2. </font>
01427 <a class="code" href="patch__lightmap_8cpp.html#a12">a22</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a10">a02</a>, <a class="code" href="patch__lightmap_8cpp.html#a14">a42</a>);
01428 <a class="code" href="patch__lightmap_8cpp.html#a11">a12</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a10">a02</a>, <a class="code" href="patch__lightmap_8cpp.html#a12">a22</a>);
01429 <a class="code" href="patch__lightmap_8cpp.html#a13">a32</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a12">a22</a>, <a class="code" href="patch__lightmap_8cpp.html#a14">a42</a>);
01430
01431 <font class="comment">// Fill Line 3. </font>
01432 <a class="code" href="patch__lightmap_8cpp.html#a17">a23</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a15">a03</a>, <a class="code" href="patch__lightmap_8cpp.html#a19">a43</a>);
01433 <a class="code" href="patch__lightmap_8cpp.html#a16">a13</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a15">a03</a>, <a class="code" href="patch__lightmap_8cpp.html#a17">a23</a>);
01434 <a class="code" href="patch__lightmap_8cpp.html#a18">a33</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a17">a23</a>, <a class="code" href="patch__lightmap_8cpp.html#a19">a43</a>);
01435
01436 <font class="comment">// Fill Line 4. </font>
01437 <a class="code" href="patch__lightmap_8cpp.html#a22">a24</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a20">a04</a>, <a class="code" href="patch__lightmap_8cpp.html#a24">a44</a>);
01438 <a class="code" href="patch__lightmap_8cpp.html#a21">a14</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a20">a04</a>, <a class="code" href="patch__lightmap_8cpp.html#a22">a24</a>);
01439 <a class="code" href="patch__lightmap_8cpp.html#a23">a34</a>.avg2(<a class="code" href="patch__lightmap_8cpp.html#a22">a24</a>, <a class="code" href="patch__lightmap_8cpp.html#a24">a44</a>);
01440
01441 }
01442
01443
01444 <font class="comment">// ***************************************************************************</font>
01445 <font class="comment">// ***************************************************************************</font>
01446 <font class="comment">// Lightmap get interface.</font>
01447 <font class="comment">// ***************************************************************************</font>
01448 <font class="comment">// ***************************************************************************</font>
01449
01450
01451 <font class="comment">// ***************************************************************************</font>
<a name="l01452"></a><a class="code" href="classNL3D_1_1CPatch.html#z671_0">01452</a> uint8 CPatch::getLumel(<font class="keyword">const</font> CUV &uv)<font class="keyword"> const</font>
01453 <font class="keyword"></font>{
01454 <font class="comment">// compute tile coord and lumel coord.</font>
01455 sint ts, tt;
01456 <font class="comment">// get in lumel coord.</font>
01457 sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= (<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a><<<a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>);
01458 sint h= (<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a><<<a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>);
01459 <font class="comment">// fastFloor: use a precision of 256 to avoid doing OptFastFloorBegin.</font>
01460 <font class="comment">// add 128, to round and get cneter of lumel.</font>
01461 ts= <a class="code" href="namespaceNL3D.html#a362">OptFastFloor</a>(uv.U* (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a><<8) + 128); ts>>=8;
01462 tt= <a class="code" href="namespaceNL3D.html#a362">OptFastFloor</a>(uv.V* (h<<8) + 128); tt>>=8;
01463 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(ts, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>-1);
01464 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tt, 0, h-1);
01465 <font class="comment">// get the lumel</font>
01466 uint8 ret;
01467 <a class="code" href="classNL3D_1_1CPatch.html#z686_4">getTileLumelmapPixelPrecomputed</a>(ts>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>, tt>><a class="code" href="patch_8h.html#a6">NL_LUMEL_BY_TILE_SHIFT</a>,
01468 ts&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), tt&(<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1), ret);
01469
01470 <font class="keywordflow">return</font> ret;
01471 }
01472
01473
01474 <font class="comment">// ***************************************************************************</font>
01475 <font class="comment">// ***************************************************************************</font>
01476 <font class="comment">// TileLightInfluences</font>
01477 <font class="comment">// ***************************************************************************</font>
01478 <font class="comment">// ***************************************************************************</font>
01479
01480
01481 <font class="comment">// ***************************************************************************</font>
<a name="l01482"></a><a class="code" href="classNL3D_1_1CPatch.html#z675_0">01482</a> <font class="keywordtype">void</font> CPatch::resetTileLightInfluences()
01483 {
01484 <font class="comment">// Fill default.</font>
01485 <a class="code" href="classNL3D_1_1CPatch.html#m6">TileLightInfluences</a>.resize((<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>/2 +1) * (<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>/2 +1));
01486 <font class="comment">// Disable All light influence on all points</font>
01487 <font class="keywordflow">for</font>(uint i=0;i <<a class="code" href="classNL3D_1_1CPatch.html#m6">TileLightInfluences</a>.size(); i++)
01488 {
01489 <font class="comment">// Disable all light influence on this point.</font>
01490 <a class="code" href="classNL3D_1_1CPatch.html#m6">TileLightInfluences</a>[i].Light[0]= 0xFF;
01491 }
01492 }
01493
01494
01495 <font class="comment">// ***************************************************************************</font>
<a name="l01496"></a><a class="code" href="classNL3D_1_1CPatch.html#z671_1">01496</a> <font class="keywordtype">void</font> CPatch::appendTileLightInfluences(<font class="keyword">const</font> CUV &uv,
01497 std::vector<CPointLightInfluence> &pointLightList)<font class="keyword"> const</font>
01498 <font class="keyword"></font>{
01499 <font class="comment">// Compute TLI coord for BiLinear.</font>
01500 sint <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>;
01501 <font class="comment">// There is (OrderS/2+1) * (OrderT/2+1) tileLightInfluences (TLI).</font>
01502 sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= (<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>>>1);
01503 sint h= (<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>>>1);
01504 sint wTLI= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>+1;
01505 <font class="comment">// fastFloor: use a precision of 256 to avoid doing OptFastFloorBegin.</font>
01506 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= <a class="code" href="namespaceNL3D.html#a362">OptFastFloor</a>(uv.U * (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a><<8));
01507 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= <a class="code" href="namespaceNL3D.html#a362">OptFastFloor</a>(uv.V * (h<<8));
01508 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a><<8);
01509 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, 0, h<<8);
01510 <font class="comment">// compute the TLI coord, and the subCoord for bilinear.</font>
01511 sint xTLI,yTLI, xSub, ySub;
01512 xTLI= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>>>8; <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(xTLI, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>-1);
01513 yTLI= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>>>8; <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(yTLI, 0, h-1);
01514 <font class="comment">// Hence, xSub and ySub range is [0, 256].</font>
01515 xSub= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> - (xTLI<<8);
01516 ySub= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> - (yTLI<<8);
01517
01518
01519 <font class="comment">// Use a CLightInfluenceInterpolator to biLinear light influence</font>
01520 CLightInfluenceInterpolator interp;
01521 <font class="comment">// Must support only 2 light per TLI.</font>
01522 <a class="code" href="debug_8h.html#a6">nlassert</a>(CTileLightInfluence::NumLightPerCorner==2);
01523 <a class="code" href="debug_8h.html#a6">nlassert</a>(CLightInfluenceInterpolator::NumLightPerCorner==2);
01524 <font class="comment">// Get ref on array of PointLightNamed.</font>
01525 CPointLightNamed *zonePointLights= NULL;
01526 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CPatch.html#a5">getZone</a>()->_PointLightArray.getPointLights().size() >0 )
01527 {
01528 <font class="comment">// const_cast, because will only change _IdInfluence, and </font>
01529 <font class="comment">// also because CLightingManager will call appendLightedModel()</font>
01530 zonePointLights= const_cast<CPointLightNamed*>(&(<a class="code" href="classNL3D_1_1CPatch.html#a5">getZone</a>()->_PointLightArray.getPointLights()[0]));
01531 }
01532 <font class="comment">// For 4 corners.</font>
01533 <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><2;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01534 {
01535 <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><2;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01536 {
01537 <font class="comment">// get ref on TLI, and on corner.</font>
01538 <font class="keyword">const</font> CTileLightInfluence &tli= <a class="code" href="classNL3D_1_1CPatch.html#m6">TileLightInfluences</a>[ (yTLI+<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)*wTLI + xTLI+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> ];
01539 CLightInfluenceInterpolator::CCorner &corner= interp.Corners[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*2 + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
01540 <font class="comment">// For all lights</font>
01541 uint lid;
01542 <font class="keywordflow">for</font>(lid= 0; lid<CTileLightInfluence::NumLightPerCorner; lid++)
01543 {
01544 <font class="comment">// get the id of the light in the zone</font>
01545 uint tliLightId= tli.Light[lid];
01546 <font class="comment">// If empty id, stop</font>
01547 <font class="keywordflow">if</font>(tliLightId==0xFF)
01548 <font class="keywordflow">break</font>;
01549 <font class="keywordflow">else</font>
01550 {
01551 <font class="comment">// Set pointer of the light in the corner</font>
01552 corner.Lights[lid]= zonePointLights + tliLightId;
01553 }
01554 }
01555 <font class="comment">// Reset Empty slots.</font>
01556 <font class="keywordflow">for</font>(; lid<CTileLightInfluence::NumLightPerCorner; lid++)
01557 {
01558 <font class="comment">// set to NULL</font>
01559 corner.Lights[lid]= NULL;
01560 }
01561 }
01562 }
01563 <font class="comment">// interpolate.</font>
01564 interp.interpolate(pointLightList, xSub/256.f, ySub/256.f);
01565 }
01566
01567
01568 <font class="comment">// ***************************************************************************</font>
01569 CRGBA CPatch::getCurrentTLIColor(uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)<font class="keyword"> const</font>
01570 <font class="keyword"></font>{
01571 CRGBA ret;
01572 ret= CRGBA::Black;
01573
01574 <font class="comment">// if at least the zone has pointLights, add them.</font>
01575 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CPatch.html#a5">getZone</a>()->_PointLightArray.getPointLights().size() >0 )
01576 {
01577 <font class="keyword">const</font> CPointLightNamed *zonePointLights;
01578 zonePointLights= (&(<a class="code" href="classNL3D_1_1CPatch.html#a5">getZone</a>()->_PointLightArray.getPointLights()[0]));
01579
01580 uint wTLI= (<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>>>1)+1;
01581
01582 <font class="keyword">const</font> CTileLightInfluence &tli= <a class="code" href="classNL3D_1_1CPatch.html#m6">TileLightInfluences</a>[ <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wTLI + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
01583 <font class="keywordflow">for</font>(uint lid=0;lid<CTileLightInfluence::NumLightPerCorner;lid++)
01584 {
01585 <font class="comment">// Not influenced by a pointLight?, stop</font>
01586 <font class="keywordflow">if</font>(tli.Light[lid]==0xFF)
01587 <font class="keywordflow">break</font>;
01588 <font class="comment">// Append the influence of this pointLight. </font>
01589 CRGBA lightCol= zonePointLights[tli.Light[lid]].getDiffuse();
01590 <font class="comment">// modulate with landscape Material.</font>
01591 lightCol.modulateFromColorRGBOnly(lightCol, <a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getPointLightDiffuseMaterial() );
01592 <font class="comment">// modulate with precomputed diffuse factor</font>
01593 lightCol.modulateFromuiRGBOnly(lightCol, tli.getDiffuseLightFactor(lid) );
01594 <font class="comment">// add to the corner</font>
01595 ret.addRGBOnly(ret, lightCol);
01596 }
01597 }
01598
01599 <font class="keywordflow">return</font> ret;
01600 }
01601
01602
01603 <font class="comment">// ***************************************************************************</font>
<a name="l01604"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_19">01604</a> <font class="keywordtype">void</font> CPatch::getCurrentTileTLIColors(uint ts, uint tt, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> corners[4])
01605 {
01606 <font class="comment">// Get ref on array of PointLightNamed.</font>
01607 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CPatch.html#a5">getZone</a>()->_PointLightArray.getPointLights().size() >0 )
01608 {
01609 <font class="comment">// get coord of the tessBlock</font>
01610 uint tbs= ts>>1;
01611 uint tbt= tt>>1;
01612 <font class="comment">// get tile id local to tessBlock.</font>
01613 uint tls= ts-(tbs<<1);
01614 uint tlt= tt-(tbt<<1);
01615
01616 <font class="comment">// For each corner of the tessBlock, compute lighting with pointLights.</font>
01617 CRGBA tbCorners[4];
01618 <font class="keywordflow">for</font>(uint <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><2;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01619 {
01620 <font class="keywordflow">for</font>(uint <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><2;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01621 {
01622 CRGBA &cornerCol= tbCorners[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*2+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
01623 cornerCol= getCurrentTLIColor(tbs+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, tbt+<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>);
01624 }
01625 }
01626
01627 <font class="comment">// Then biLinear to tile Level (tessBlock==2x2 tiles).</font>
01628 CRGBA tbEdges[4];
01629 CRGBA tbMiddle;
01630 <font class="comment">// left.</font>
01631 tbEdges[0].avg2RGBOnly(tbCorners[0], tbCorners[2]);
01632 <font class="comment">// bottom</font>
01633 tbEdges[1].avg2RGBOnly(tbCorners[2], tbCorners[3]);
01634 <font class="comment">// right</font>
01635 tbEdges[2].avg2RGBOnly(tbCorners[1], tbCorners[3]);
01636 <font class="comment">// up</font>
01637 tbEdges[3].avg2RGBOnly(tbCorners[0], tbCorners[1]);
01638 <font class="comment">// middle.</font>
01639 tbMiddle.avg2RGBOnly(tbEdges[0], tbEdges[2]);
01640
01641 <font class="comment">// just copy result according to tile pos in tessBlock.</font>
01642 <font class="keywordflow">if</font>(tlt==0)
01643 {
01644 <font class="keywordflow">if</font>(tls==0)
01645 {
01646 corners[0]= tbCorners[0];
01647 corners[1]= tbEdges[3];
01648 corners[2]= tbEdges[0];
01649 corners[3]= tbMiddle;
01650 }
01651 <font class="keywordflow">else</font>
01652 {
01653 corners[0]= tbEdges[3];
01654 corners[1]= tbCorners[1];
01655 corners[2]= tbMiddle;
01656 corners[3]= tbEdges[2];
01657 }
01658 }
01659 <font class="keywordflow">else</font>
01660 {
01661 <font class="keywordflow">if</font>(tls==0)
01662 {
01663 corners[0]= tbEdges[0];
01664 corners[1]= tbMiddle;
01665 corners[2]= tbCorners[2];
01666 corners[3]= tbEdges[1];
01667 }
01668 <font class="keywordflow">else</font>
01669 {
01670 corners[0]= tbMiddle;
01671 corners[1]= tbEdges[2];
01672 corners[2]= tbEdges[1];
01673 corners[3]= tbCorners[3];
01674 }
01675 }
01676 }
01677 <font class="keywordflow">else</font>
01678 {
01679 <font class="comment">// Just fill with 0s.</font>
01680 corners[0]= CRGBA::Black;
01681 corners[1]= CRGBA::Black;
01682 corners[2]= CRGBA::Black;
01683 corners[3]= CRGBA::Black;
01684 }
01685 }
01686
01687 <font class="comment">// ***************************************************************************</font>
<a name="l01688"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_20">01688</a> <font class="keywordtype">void</font> CPatch::addTileLightmapWithTLI(uint ts, uint tt, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>)
01689 {
01690 <font class="comment">// compute colors ar corners of the tile.</font>
01691 CRGBA corners[4];
01692 <a class="code" href="classNL3D_1_1CPatch.html#z682_19">getCurrentTileTLIColors</a>(ts, tt, corners);
01693
01694 <font class="comment">// Bilinear accross the tile, and add to dest.</font>
01695 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>;
01696 <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><<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01697 {
01698 <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="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01699 {
01700 <font class="comment">// compute this pixel, and add</font>
01701 <a class="code" href="namespaceNL3D.html#a389">bilinearColorAndAdd</a>(corners, <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>, dest[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]);
01702 }
01703 }
01704 }
01705
01706 <font class="comment">// ***************************************************************************</font>
<a name="l01707"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_21">01707</a> <font class="keywordtype">void</font> CPatch::addTileLightmapEdgeWithTLI(uint ts, uint tt, uint edge, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *dest, uint <a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>, <font class="keywordtype">bool</font> inverse)
01708 {
01709 <font class="comment">// compute colors ar corners of the tile.</font>
01710 CRGBA corners[4];
01711 <a class="code" href="classNL3D_1_1CPatch.html#z682_19">getCurrentTileTLIColors</a>(ts, tt, corners);
01712
01713 <font class="comment">// get coordinate according to edge.</font>
01714 uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;
01715 <font class="keywordflow">switch</font>(edge)
01716 {
01717 <font class="keywordflow">case</font> 0: <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= 0; <font class="keywordflow">break</font>;
01718 <font class="keywordflow">case</font> 1: <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1; <font class="keywordflow">break</font>;
01719 <font class="keywordflow">case</font> 2: <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= <a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1; <font class="keywordflow">break</font>;
01720 <font class="keywordflow">case</font> 3: <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= 0; <font class="keywordflow">break</font>;
01721 };
01722
01723 <font class="comment">// For all lumel of the edge, bilinear.</font>
01724 uint i;
01725 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>; i++)
01726 {
01727 <font class="comment">// if vertical edge</font>
01728 <font class="keywordflow">if</font>( (edge&1)==0 ) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= i;
01729 <font class="comment">// else horizontal edge</font>
01730 <font class="keywordflow">else</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= i;
01731
01732 <font class="comment">// manage inverse.</font>
01733 uint where;
01734 <font class="keywordflow">if</font>(inverse) where= (<a class="code" href="patch_8h.html#a7">NL_LUMEL_BY_TILE</a>-1)-i;
01735 <font class="keywordflow">else</font> where= i;
01736 <font class="comment">// compute this pixel, and modulate</font>
01737 <a class="code" href="namespaceNL3D.html#a389">bilinearColorAndAdd</a>(corners, <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>, dest[where*<a class="code" href="driver__opengl__extension__def_8h.html#a374">stride</a>]);
01738 }
01739 }
01740
01741 <font class="comment">// ***************************************************************************</font>
<a name="l01742"></a><a class="code" href="classNL3D_1_1CPatch.html#z682_22">01742</a> <font class="keywordtype">void</font> CPatch::addTileLightmapPixelWithTLI(uint ts, uint tt, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *dest)
01743 {
01744 <font class="comment">// compute colors ar corners of the tile.</font>
01745 CRGBA corners[4];
01746 <a class="code" href="classNL3D_1_1CPatch.html#z682_19">getCurrentTileTLIColors</a>(ts, tt, corners);
01747
01748 <font class="comment">// compute this pixel, and modulate</font>
01749 <a class="code" href="namespaceNL3D.html#a389">bilinearColorAndAdd</a>(corners, <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>, *dest);
01750 }
01751
01752
01753 <font class="comment">// ***************************************************************************</font>
<a name="l01754"></a><a class="code" href="classNL3D_1_1CPatch.html#z671_2">01754</a> <font class="keywordtype">void</font> CPatch::computeCurrentTLILightmap(<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *array)<font class="keyword"> const</font>
01755 <font class="keyword"></font>{
01756 <font class="comment">// Size of TileLightInfluences</font>
01757 uint wTLI= (<a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>>>1)+1;
01758 uint hTLI= (<a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>>>1)+1;
01759 <font class="comment">// colros at corners of tiles size.</font>
01760 uint wTC= <a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>+1;
01761 uint wTCx2= wTC*2;
01762 uint hTC= <a class="code" href="classNL3D_1_1CPatch.html#o3">OrderT</a>+1;
01763 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>;
01764
01765 <font class="comment">// Compute TLI colors at each corner of each TessBlocks.</font>
01766 <font class="comment">//=============</font>
01767 <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><hTLI;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01768 {
01769 <font class="comment">// store every 2 tiles corners.</font>
01770 CRGBA *dst= array + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*2*wTC;
01771 <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><wTLI;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01772 {
01773 *dst= getCurrentTLIColor(<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>);
01774 <font class="comment">// skip 2 tiles corners.</font>
01775 dst++;
01776 dst++;
01777 }
01778 }
01779
01780 <font class="comment">// Compute TLI colors at each corner of each Tiles.</font>
01781 <font class="comment">//=============</font>
01782
01783 <font class="comment">// Compute corner at middle of vertical TessBlock edges.</font>
01784 <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><hTC-1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>+=2)
01785 {
01786 CRGBA *dst= array + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wTC;
01787 <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><wTC;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+=2)
01788 {
01789 <font class="comment">// Average midlle with cur and next.</font>
01790 (dst+wTC)->avg2RGBOnly(*dst, *(dst + wTCx2) );
01791
01792 <font class="comment">// skip 2 tiles corners.</font>
01793 dst++;
01794 dst++;
01795 }
01796 }
01797
01798 <font class="comment">// Compute corner at middle of horizontal TessBlock edges, and at middle of TessBlock.</font>
01799 <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><hTC;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01800 {
01801 CRGBA *dst= array + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wTC;
01802 <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><wTC-1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+=2)
01803 {
01804 <font class="comment">// Average midlle with cur and next.</font>
01805 (dst+1)->avg2RGBOnly(*dst, *(dst+2));
01806
01807 <font class="comment">// skip 2 tiles corners.</font>
01808 dst++;
01809 dst++;
01810 }
01811 }
01812
01813
01814 }
01815
01816
01817
01818 <font class="comment">// ***************************************************************************</font>
01819 <font class="comment">// ***************************************************************************</font>
01820 <font class="comment">// UpdateLighting.</font>
01821 <font class="comment">// ***************************************************************************</font>
01822 <font class="comment">// ***************************************************************************</font>
01823
01824
01825 <font class="comment">// ***************************************************************************</font>
<a name="l01826"></a><a class="code" href="classNL3D_1_1CPatch.html#z676_0">01826</a> <font class="keywordtype">void</font> CPatch::linkBeforeNearUL(CPatch *patchNext)
01827 {
01828 <a class="code" href="debug_8h.html#a6">nlassert</a>(patchNext);
01829
01830 <font class="comment">// first, unlink others from me. NB: works even if _ULNearPrec==_ULNearNext==this.</font>
01831 <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>->_ULNearPrec= <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>;
01832 <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>->_ULNearNext= <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>;
01833 <font class="comment">// link to igNext.</font>
01834 <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>= patchNext;
01835 <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>= patchNext->_ULNearPrec;
01836 <font class="comment">// link others to me.</font>
01837 <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>->_ULNearPrec= <font class="keyword">this</font>;
01838 <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>->_ULNearNext= <font class="keyword">this</font>;
01839 }
01840
01841
01842 <font class="comment">// ***************************************************************************</font>
<a name="l01843"></a><a class="code" href="classNL3D_1_1CPatch.html#z676_1">01843</a> <font class="keywordtype">void</font> CPatch::unlinkNearUL()
01844 {
01845 <font class="comment">// first, unlink others from me. NB: works even if _ULNearPrec==_ULNearNext==this.</font>
01846 <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>->_ULNearPrec= <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>;
01847 <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>->_ULNearNext= <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>;
01848 <font class="comment">// reset</font>
01849 <a class="code" href="classNL3D_1_1CPatch.html#z687_0">_ULNearPrec</a>= <font class="keyword">this</font>;
01850 <a class="code" href="classNL3D_1_1CPatch.html#z687_1">_ULNearNext</a>= <font class="keyword">this</font>;
01851 }
01852
01853
01854 <font class="comment">// ***************************************************************************</font>
<a name="l01855"></a><a class="code" href="classNL3D_1_1CPatch.html#z676_4">01855</a> uint CPatch::updateTessBlockLighting(uint numTb)
01856 {
01857 <font class="comment">// TessBlocks must have been allocated and tessBlockId must be ok.</font>
01858 <a class="code" href="debug_8h.html#a6">nlassert</a>(numTb<<a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>.size());
01859
01860 <font class="comment">// compute tessBlock coordinate</font>
01861 uint tbWidth= <a class="code" href="classNL3D_1_1CPatch.html#o2">OrderS</a>>>1;
01862 uint ts= numTb&(tbWidth-1);
01863 uint tt= numTb/tbWidth;
01864 <font class="comment">// expand to tile coordinate.</font>
01865 ts*= 2;
01866 tt*= 2;
01867
01868 <font class="comment">// get what tessBlock to use.</font>
01869 CTessBlock &tessBlock= <a class="code" href="classNL3D_1_1CPatch.html#z678_1">TessBlocks</a>[numTb];
01870
01871 <font class="comment">// If the lightmap Id has not been computed, quit</font>
01872 <font class="keywordflow">if</font>(tessBlock.LightMapRefCount==0)
01873 <font class="keywordflow">return</font> 0;
01874 <font class="keywordflow">else</font>
01875 {
01876 <font class="comment">// Recompute the lightmap texture, with help of TileColors, with neighboring info etc...</font>
01877 CRGBA lightText[<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>];
01878 <a class="code" href="classNL3D_1_1CPatch.html#z682_3">computeNearBlockLightmap</a>(ts&(~1), tt&(~1), lightText);
01879
01880 <font class="comment">// donlod this texture to Driver etc...</font>
01881 <a class="code" href="classNL3D_1_1CPatch.html#o0">Zone</a>->Landscape->refillTileLightMap(tessBlock.LightMapId, lightText);
01882
01883 <font class="comment">// return number of pixels computed.</font>
01884 <font class="keywordflow">return</font> <a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>*<a class="code" href="texture__near_8h.html#a0">NL_TILE_LIGHTMAP_SIZE</a>;
01885 }
01886 }
01887
01888
01889 <font class="comment">// ***************************************************************************</font>
01890 <font class="comment">// ***************************************************************************</font>
01891 <font class="comment">// ***************************************************************************</font>
01892 <font class="comment">// ***************************************************************************</font>
01893
01894
01895 <font class="comment">// ***************************************************************************</font>
<a name="l01896"></a><a class="code" href="classNL3D_1_1CPatch.html#z688_0">01896</a> <font class="keywordtype">void</font> CPatch::addRefDLMContext()
01897 {
01898 <font class="comment">// the patch must be compiled.</font>
01899 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#o0">Zone</a>);
01900
01901 <font class="comment">// if 0, create the context.</font>
01902 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#z688_3">_DLMContextRefCount</a>==0)
01903 {
01904 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>==NULL);
01905 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>= <font class="keyword">new</font> CPatchDLMContext;
01906 <font class="comment">// init now the context.</font>
01907 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->generate(<font class="keyword">this</font>, <a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getTextureDLM(), <a class="code" href="classNL3D_1_1CPatch.html#a4">getLandscape</a>()->getPatchDLMContextList());
01908
01909 <font class="comment">// If the patch is visible, it may have Far Vertices created, </font>
01910 <font class="comment">// hence, we must refill them with good DLM Uvs.</font>
01911 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatch.html#o26">RenderClipped</a>)
01912 {
01913 <font class="comment">// setup DLM Uv with new _DLMContext</font>
01914 <a class="code" href="classNL3D_1_1CPatch.html#z673_8">fillVBFarsDLMUvOnly</a>();
01915 }
01916 }
01917
01918 <font class="comment">// incRef.</font>
01919 <a class="code" href="classNL3D_1_1CPatch.html#z688_3">_DLMContextRefCount</a>++;
01920 }
01921
01922 <font class="comment">// ***************************************************************************</font>
<a name="l01923"></a><a class="code" href="classNL3D_1_1CPatch.html#z688_1">01923</a> <font class="keywordtype">void</font> CPatch::decRefDLMContext(uint count)
01924 {
01925 <font class="comment">// the patch must be compiled.</font>
01926 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#o0">Zone</a>);
01927 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z688_3">_DLMContextRefCount</a>>0);
01928
01929 <font class="comment">// dec Ref.</font>
01930 <a class="code" href="classNL3D_1_1CPatch.html#z688_3">_DLMContextRefCount</a>-= count;
01931 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z688_3">_DLMContextRefCount</a>>=0);
01932
01933 <font class="comment">// If 0, delete the context.</font>
01934 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CPatch.html#z688_3">_DLMContextRefCount</a>==0)
01935 {
01936 <font class="keyword">delete</font> <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>;
01937 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>= NULL;
01938
01939 <font class="comment">// If the patch is visible, it may have Far Vertices created, </font>
01940 <font class="comment">// hence, we must reset their DLM Uvs (to point to black pixel)</font>
01941 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatch.html#o26">RenderClipped</a>)
01942 {
01943 <font class="comment">// setup DLM Uv with new _DLMContext</font>
01944 <a class="code" href="classNL3D_1_1CPatch.html#z673_8">fillVBFarsDLMUvOnly</a>();
01945 }
01946 }
01947 }
01948
01949
01950 <font class="comment">// ***************************************************************************</font>
<a name="l01951"></a><a class="code" href="classNL3D_1_1CPatch.html#z677_0">01951</a> <font class="keywordtype">void</font> CPatch::beginDLMLighting()
01952 {
01953 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>);
01954
01955 <font class="comment">// Must bkup prec pointLightCount in OldPointLightCount, and reset CurPointLightCount</font>
01956 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->OldPointLightCount= <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->CurPointLightCount;
01957 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->CurPointLightCount= 0;
01958
01959 <font class="comment">// clear lighting, only if patch is visible</font>
01960 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatch.html#o26">RenderClipped</a>)
01961 <font class="comment">// NB: no-op if src is already full black.</font>
01962 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->clearLighting();
01963
01964 }
01965
01966 <font class="comment">// ***************************************************************************</font>
<a name="l01967"></a><a class="code" href="classNL3D_1_1CPatch.html#z677_1">01967</a> <font class="keywordtype">void</font> CPatch::processDLMLight(CPatchDLMPointLight &pl)
01968 {
01969 <font class="comment">// add reference to currentLight, creating DLMContext if needed</font>
01970 <a class="code" href="classNL3D_1_1CPatch.html#z688_0">addRefDLMContext</a>();
01971
01972 <font class="comment">// add curLight counter</font>
01973 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->CurPointLightCount++;
01974
01975 <font class="comment">// compute lighting, only if patch is visible</font>
01976 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CPatch.html#o26">RenderClipped</a>)
01977 <a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->addPointLightInfluence(pl);
01978 }
01979
01980 <font class="comment">// ***************************************************************************</font>
<a name="l01981"></a><a class="code" href="classNL3D_1_1CPatch.html#z677_2">01981</a> <font class="keywordtype">void</font> CPatch::endDLMLighting()
01982 {
01983 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>);
01984
01985 <font class="comment">// delete reference from old pointLight influences, at prec render() pass. _DLMContext may be deleted here,</font>
01986 <font class="comment">// if no more lights use it, and if the patch is not in Near.</font>
01987 <a class="code" href="classNL3D_1_1CPatch.html#z688_1">decRefDLMContext</a>(<a class="code" href="classNL3D_1_1CPatch.html#z688_2">_DLMContext</a>->OldPointLightCount);
01988 }
01989
01990
01991 } <font class="comment">// NL3D</font>
01992
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