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<hr><h1>coarse_mesh_build.cpp</h1><a href="coarse__mesh__build_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="coarse__mesh__build_8h.html">3d/coarse_mesh_build.h</a>"</font>
00029
00030 <font class="preprocessor">#include "<a class="code" href="mesh_8h.html">3d/mesh.h</a>"</font>
00031
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00033
00034 <font class="keyword">namespace </font>NL3D
00035 {
00036
00037 <font class="comment">// ***************************************************************************</font>
00038
<a name="l00039"></a><a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#a0">00039</a> <font class="keywordtype">bool</font> CCoarseMeshBuild::build (<font class="keyword">const</font> std::vector<CCoarseMeshDesc>& coarseMeshes, CBitmap& bitmap, CStats& stats, <font class="keywordtype">float</font> mulArea)
00040 {
00041 <font class="comment">// 1. build the bitmap</font>
00042 <a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#u0">MapBitmapDesc</a> desc;
00043 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#c1">buildBitmap</a> (coarseMeshes, bitmap, stats, desc, mulArea)==<font class="keyword">false</font>)
00044 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00045
00046 <font class="comment">// 2. remap coordinates</font>
00047 <a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#c2">remapCoordinates</a> (coarseMeshes, desc);
00048
00049 <font class="comment">// 3. ok</font>
00050 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00051 }
00052
00053 <font class="comment">// ***************************************************************************</font>
00054
00055 <font class="comment">// Class descriptor for bitmap inserted</font>
<a name="l00056"></a><a class="code" href="classNL3D_1_1CInsertedBitmap.html">00056</a> <font class="keyword">class </font>CInsertedBitmap
00057 {
00058 <font class="keyword">public</font>:
00059 <font class="comment">// Width and height</font>
<a name="l00060"></a><a class="code" href="classNL3D_1_1CInsertedBitmap.html#m0">00060</a> uint <a class="code" href="classNL3D_1_1CInsertedBitmap.html#m0">Width</a>;
<a name="l00061"></a><a class="code" href="classNL3D_1_1CInsertedBitmap.html#m1">00061</a> uint <a class="code" href="classNL3D_1_1CInsertedBitmap.html#m1">Height</a>;
00062
00063 <font class="comment">// Coordinates</font>
<a name="l00064"></a><a class="code" href="classNL3D_1_1CInsertedBitmap.html#m2">00064</a> uint <a class="code" href="classNL3D_1_1CInsertedBitmap.html#m2">U</a>;
<a name="l00065"></a><a class="code" href="classNL3D_1_1CInsertedBitmap.html#m3">00065</a> uint <a class="code" href="classNL3D_1_1CInsertedBitmap.html#m3">V</a>;
00066 };
00067
00068 <font class="comment">// ***************************************************************************</font>
00069
<a name="l00070"></a><a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#c1">00070</a> <font class="keywordtype">bool</font> CCoarseMeshBuild::buildBitmap (<font class="keyword">const</font> std::vector<CCoarseMeshDesc>& coarseMeshes, CBitmap& bitmap, CStats& stats, MapBitmapDesc& desc, <font class="keywordtype">float</font> mulArea)
00071 {
00072 <font class="comment">// Total area used by texture</font>
00073 uint totalArea=0;
00074
00075 <font class="comment">// ***************************************************************************</font>
00076
00077 <font class="comment">// 1. scan each bitmap: calc the area of the bitmap and it its name in the maps sorted by area</font>
00078 <font class="keyword">typedef</font> std::multimap<uint, CBitmapDesc> MapAreaBitmap;
00079 MapAreaBitmap mapArea;
00080 uint mesh;
00081 <font class="keywordflow">for</font> (mesh=0; mesh<coarseMeshes.size(); mesh++)
00082 {
00083 <font class="comment">// Geom mesh pointer</font>
00084 CMeshGeom *meshGeom=coarseMeshes[mesh].MeshGeom;
00085
00086 <font class="comment">// Base mesh pointer</font>
00087 <font class="keyword">const</font> CMeshBase *meshBase=coarseMeshes[mesh].MeshBase;
00088
00089 <font class="comment">// For each matrix block</font>
00090 uint matrixBlock;
00091 uint nbMatrixBlock=meshGeom->getNbMatrixBlock();
00092 <font class="keywordflow">for</font> (matrixBlock=0; matrixBlock<nbMatrixBlock; matrixBlock++)
00093 {
00094 <font class="comment">// For each render pass</font>
00095 uint renderPass;
00096 uint numRenderPass=meshGeom->getNbRdrPass(matrixBlock);
00097 <font class="keywordflow">for</font> (renderPass=0; renderPass<numRenderPass; renderPass++)
00098 {
00099 <font class="comment">// Render pass material</font>
00100 uint32 matId=meshGeom->getRdrPassMaterial(matrixBlock, renderPass);
00101
00102 <font class="comment">// Checks</font>
00103 <a class="code" href="debug_8h.html#a6">nlassert</a> (matId<meshBase->getNbMaterial());
00104
00105 <font class="comment">// Get the material</font>
00106 <font class="keyword">const</font> CMaterial &material=meshBase->getMaterial(matId);
00107
00108 <font class="comment">// Get the texture</font>
00109 ITexture *texture=material.getTexture(0);
00110 <font class="keywordflow">if</font> (texture)
00111 {
00112 <font class="comment">// Get its name</font>
00113 std::string name;
00114 <font class="keywordflow">if</font> (texture->supportSharing())
00115 {
00116 <font class="comment">// Get sharing name</font>
00117 name=texture->getShareName();
00118 }
00119 <font class="keywordflow">else</font>
00120 {
00121 <font class="comment">// Build a name</font>
00122 name=toString ((uint)texture);
00123 }
00124
00125 <font class="comment">// Already added ?</font>
00126 <font class="keywordflow">if</font> (desc.find (name)==desc.end())
00127 {
00128 <font class="comment">// Add it..</font>
00129
00130 <font class="comment">// Generate the texture</font>
00131 texture->generate();
00132
00133 <font class="comment">// Convert to RGBA</font>
00134 texture->convertToType (CBitmap::RGBA);
00135
00136 <font class="comment">// Backup original size</font>
00137 <font class="keywordtype">float</font> originalWidth = (float)texture->getWidth();
00138 <font class="keywordtype">float</font> originalHeight = (float)texture->getHeight();
00139
00140 <font class="comment">// Expand the texture</font>
00141 <a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#c0">expand</a> (*texture);
00142
00143 <font class="comment">// Descriptor for this texture</font>
00144 CBitmapDesc descBitmap;
00145 uint area = texture->getWidth() * texture->getHeight();
00146 descBitmap.Texture = texture;
00147 descBitmap.Name = name;
00148 descBitmap.FactorU = originalWidth;
00149 descBitmap.FactorV = originalHeight;
00150
00151 <font class="comment">// Insert it in the maps</font>
00152 desc.insert (MapBitmapDesc::value_type (name, descBitmap));
00153 mapArea.insert (MapAreaBitmap::value_type(area, descBitmap));
00154
00155 <font class="comment">// Sum area if added</font>
00156 totalArea+=area;
00157 }
00158 }
00159 }
00160 }
00161 }
00162
00163 <font class="comment">// ***************************************************************************</font>
00164
00165 <font class="comment">// 2. Calc the best area for the dest texture and resize the bitmap</font>
00166
00167 <font class="comment">// Total area used by the textures + a little more</font>
00168 uint newArea=<a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a> (<a class="code" href="namespaceNLMISC.html#a223">raiseToNextPowerOf2</a> (totalArea));
00169 <font class="keywordflow">while</font> ((1<<newArea)<(sint)(mulArea*(float)totalArea))
00170 {
00171 newArea++;
00172 }
00173
00174 <font class="comment">// Calc width and height with HEIGHT==WIDTH or HEIGHT=2*WIDTH</font>
00175 uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>=1<<(newArea/2);
00176 uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>=1<<(newArea/2 + (newArea&1));
00177
00178 <font class="comment">// Resize the bitmap and set the pixel format</font>
00179 bitmap.resize (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, CBitmap::RGBA);
00180
00181 <font class="comment">// Checks</font>
00182 <font class="keywordflow">if</font> (totalArea==0)
00183 {
00184 <font class="comment">// No texture, ok computed.</font>
00185 stats.TextureUsed=1;
00186
00187 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00188 }
00189
00190 <font class="comment">// ***************************************************************************</font>
00191
00192 <font class="comment">// 3. Place each texture in the bitmap in uncreasing order</font>
00193 <font class="keyword">typedef</font> std::multimap<sint, CInsertedBitmap> mapInsertedBitmap;
00194
00195 <font class="comment">// For each texture</font>
00196 MapAreaBitmap::iterator ite=mapArea.end();
00197
00198 <font class="comment">// Inserted bitmap desc</font>
00199 mapInsertedBitmap inserted;
00200
00201 <font class="comment">// Max texture height</font>
00202 uint maxTexHeight=0;
00203
00204 <font class="keywordflow">do</font>
00205 {
00206 ite--;
00207 <a class="code" href="debug_8h.html#a6">nlassert</a> (ite!=mapArea.end());
00208
00209 <font class="comment">// Texture</font>
00210 ITexture *texture=ite->second.Texture;
00211
00212 <font class="comment">// Size of the texture</font>
00213 uint widthTex=texture->getWidth();
00214 uint heightTex=texture->getHeight();
00215
00216 <font class="comment">// Width and height max</font>
00217 uint widthMax=<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>-widthTex;
00218 uint heightMax=<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-heightTex;
00219
00220 <font class="comment">// Test against others..</font>
00221 <font class="keywordtype">bool</font> enter=<font class="keyword">false</font>;
00222
00223 <font class="comment">// For each row and each column</font>
00224 <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><heightMax; <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>++)
00225 {
00226 <font class="keywordflow">for</font> (uint u=0; u<widthMax; u++)
00227 {
00228 <font class="comment">// Test against others..</font>
00229 enter=<font class="keyword">true</font>;
00230
00231 <font class="comment">// Get the first to test</font>
00232 mapInsertedBitmap::iterator toTest=inserted.lower_bound ((sint)<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>-(sint)maxTexHeight);
00233 <font class="keywordflow">while</font> (toTest!=inserted.end())
00234 {
00235 <font class="comment">// Make a test ?</font>
00236 <font class="keywordflow">if</font> ((sint)(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>+heightTex)<=(toTest->first))
00237 {
00238 <font class="comment">// Ok, end test</font>
00239 <font class="keywordflow">break</font>;
00240 }
00241
00242 <font class="comment">// Test it</font>
00243 uint otherU=toTest->second.U;
00244 uint otherV=toTest->second.V;
00245 uint otherWidth=toTest->second.Width;
00246 uint otherHeight=toTest->second.Height;
00247 <font class="keywordflow">if</font> ((v<otherV+otherHeight) && (v+heightTex>otherV) &&
00248 (u<otherU+otherWidth) && (u+widthTex>otherU))
00249 {
00250 <font class="comment">// Collision</font>
00251 enter=<font class="keyword">false</font>;
00252 u=toTest->second.U+otherWidth-1;
00253 <font class="keywordflow">break</font>;
00254 }
00255
00256 <font class="comment">// Next to test</font>
00257 toTest++;
00258 }
00259
00260 <font class="comment">// Enter ?</font>
00261 <font class="keywordflow">if</font> (enter)
00262 {
00263 <font class="comment">// Ok, enter</font>
00264
00265 <font class="comment">// Insert an inserted descriptor</font>
00266 CInsertedBitmap descInserted;
00267 descInserted.Width=widthTex;
00268 descInserted.Height=heightTex;
00269 descInserted.U=u;
00270 descInserted.V=<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00271 inserted.insert (mapInsertedBitmap::value_type (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, descInserted));
00272
00273 <font class="comment">// Max height</font>
00274 <font class="keywordflow">if</font> (heightTex>maxTexHeight)
00275 maxTexHeight=heightTex;
00276
00277 <font class="comment">// Blit in the texture</font>
00278 bitmap.blit (texture, u, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00279
00280 <font class="comment">// Get the descriptor by the name</font>
00281 MapBitmapDesc::iterator iteInserted=desc.find (ite->second.Name);
00282 <a class="code" href="debug_8h.html#a6">nlassert</a> (iteInserted!=desc.end());
00283
00284 <font class="comment">// Set the U and V texture coordinates</font>
00285 iteInserted->second.U=(float)(u+1)/(float)<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00286 iteInserted->second.V=(float)(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>+1)/(float)<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
00287
00288 <font class="comment">// Set ratio</font>
00289 iteInserted->second.FactorU /= (float)<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00290 iteInserted->second.FactorV /= (float)<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
00291
00292 <font class="comment">// End</font>
00293 <font class="keywordflow">break</font>;
00294 }
00295
00296 <font class="comment">// next..</font>
00297 }
00298
00299 <font class="comment">// Enter ?</font>
00300 <font class="keywordflow">if</font> (enter)
00301 <font class="keywordflow">break</font>;
00302 }
00303
00304 <font class="comment">// Not enter ?</font>
00305 <font class="keywordflow">if</font> (!enter)
00306 <font class="comment">// Texture too small..</font>
00307 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00308 }
00309 <font class="keywordflow">while</font> (ite!=mapArea.begin());
00310
00311 <font class="comment">// Some stats</font>
00312 stats.TextureUsed=(float)totalArea/(float)(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
00313
00314 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00315 }
00316
00317 <font class="comment">// ***************************************************************************</font>
00318
<a name="l00319"></a><a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#c0">00319</a> <font class="keywordtype">void</font> CCoarseMeshBuild::expand (CBitmap& bitmap)
00320 {
00321 <font class="comment">// Get size</font>
00322 uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>=bitmap.getWidth();
00323 uint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>=bitmap.getHeight();
00324
00325 <font class="comment">// Valid size ?</font>
00326 <font class="keywordflow">if</font> ((<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>!=0) && (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>!=0))
00327 {
00328 <font class="comment">// Copy the bitmap</font>
00329 CBitmap copy=bitmap;
00330
00331 <font class="comment">// Resize the bitmap</font>
00332 bitmap.resize (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2, <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+2);
00333
00334 <font class="comment">// Copy old bitmap</font>
00335 bitmap.blit (&copy, 1, 1);
00336
00337 <font class="comment">// Make a top and bottom border</font>
00338 uint32 *topSrc=(uint32*)&(copy.getPixels()[0]);
00339 uint32 *topDest=((uint32*)&(bitmap.getPixels()[0]))+1;
00340 memcpy (topDest, topSrc, 4*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>);
00341 uint32 *bottomSrc=topSrc+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-1);
00342 uint32 *bottomDest=((uint32*)&(bitmap.getPixels()[0]))+(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2)*(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+1)+1;
00343 memcpy (bottomDest, bottomSrc, 4*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>);
00344
00345 <font class="comment">// Make a left and right border</font>
00346 uint32 *leftSrc=(uint32*)&(copy.getPixels()[0]);
00347 uint32 *leftDest=((uint32*)&(bitmap.getPixels()[0]))+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2;
00348 uint32 *rightSrc=leftSrc+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>-1;
00349 uint32 *rightDest=leftDest+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+1;
00350 uint i;
00351 <font class="keywordflow">for</font> (i=0; i<<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>; i++)
00352 {
00353 <font class="comment">// Copy the borders</font>
00354 *leftDest=*leftSrc;
00355 *rightDest=*rightSrc;
00356
00357 <font class="comment">// Move pointers</font>
00358 leftDest+=<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2;
00359 rightDest+=<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2;
00360 leftSrc+=<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00361 rightSrc+=<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00362 }
00363
00364 <font class="comment">// Make corners</font>
00365
00366 <font class="comment">// Left top</font>
00367 *(uint32*)&(bitmap.getPixels()[0])=*(uint32*)&(copy.getPixels()[0]);
00368
00369 <font class="comment">// Rigth top</font>
00370 *(((uint32*)&(bitmap.getPixels()[0]))+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+1)=*(((uint32*)&(copy.getPixels()[0]))+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>-1);
00371
00372 <font class="comment">// Rigth bottom</font>
00373 *(((uint32*)&(bitmap.getPixels()[0]))+(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2)*(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+2)-1)=*(((uint32*)&(copy.getPixels()[0]))+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-1);
00374
00375 <font class="comment">// Left bottom</font>
00376 *(((uint32*)&(bitmap.getPixels()[0]))+(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+2)*(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+1))=*(((uint32*)&(copy.getPixels()[0]))+<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-1));
00377 }
00378 }
00379
00380 <font class="comment">// ***************************************************************************</font>
00381
<a name="l00382"></a><a class="code" href="classNL3D_1_1CCoarseMeshBuild.html#c2">00382</a> <font class="keywordtype">void</font> CCoarseMeshBuild::remapCoordinates (<font class="keyword">const</font> std::vector<CCoarseMeshDesc>& coarseMeshes, <font class="keyword">const</font> MapBitmapDesc& desc)
00383 {
00384 <font class="comment">// 1. scan each bitmap: calc the area of the bitmap and it its name in the maps sorted by area</font>
00385 <font class="keyword">typedef</font> std::multimap<float, CBitmapDesc> MapAreaBitmap;
00386 MapAreaBitmap mapArea;
00387 uint mesh;
00388 <font class="keywordflow">for</font> (mesh=0; mesh<coarseMeshes.size(); mesh++)
00389 {
00390 <font class="comment">// Geom mesh pointer</font>
00391 CMeshGeom *meshGeom=coarseMeshes[mesh].MeshGeom;
00392
00393 <font class="comment">// Base mesh pointer</font>
00394 <font class="keyword">const</font> CMeshBase *meshBase=coarseMeshes[mesh].MeshBase;
00395
00396 <font class="comment">// The vertex buffer</font>
00397 CVertexBuffer &vertexBuffer=const_cast<CVertexBuffer&> (meshGeom->getVertexBuffer());
00398
00399 <font class="comment">// For each matrix block</font>
00400 uint matrixBlock;
00401 uint nbMatrixBlock=meshGeom->getNbMatrixBlock();
00402 <font class="keywordflow">for</font> (matrixBlock=0; matrixBlock<nbMatrixBlock; matrixBlock++)
00403 {
00404 <font class="comment">// For each render pass</font>
00405 uint renderPass;
00406 uint numRenderPass=meshGeom->getNbRdrPass(matrixBlock);
00407 <font class="keywordflow">for</font> (renderPass=0; renderPass<numRenderPass; renderPass++)
00408 {
00409 <font class="comment">// Render pass material</font>
00410 uint32 matId=meshGeom->getRdrPassMaterial(matrixBlock, renderPass);
00411
00412 <font class="comment">// Checks</font>
00413 <a class="code" href="debug_8h.html#a6">nlassert</a> (matId<meshBase->getNbMaterial());
00414
00415 <font class="comment">// Get the material</font>
00416 <font class="keyword">const</font> CMaterial &material=meshBase->getMaterial(matId);
00417
00418 <font class="comment">// Get the texture</font>
00419 ITexture *texture=material.getTexture(0);
00420 <font class="keywordflow">if</font> (texture)
00421 {
00422 <font class="comment">// Get its name</font>
00423 std::string name;
00424 <font class="keywordflow">if</font> (texture->supportSharing())
00425 {
00426 <font class="comment">// Get sharing name</font>
00427 name=texture->getShareName();
00428 }
00429 <font class="keywordflow">else</font>
00430 {
00431 <font class="comment">// Build a name</font>
00432 name=toString ((uint)texture);
00433 }
00434
00435 <font class="comment">// Find the texture</font>
00436 MapBitmapDesc::const_iterator ite=desc.find (name);
00437 <a class="code" href="debug_8h.html#a6">nlassert</a> (ite!=desc.end());
00438
00439 <font class="comment">// Descriptor ref</font>
00440 <font class="keyword">const</font> CBitmapDesc& descBitmap=ite->second;
00441
00442 <font class="comment">// Get primitives</font>
00443 <font class="keyword">const</font> CPrimitiveBlock &primitiveBlock=meshGeom->getRdrPassPrimitiveBlock(matrixBlock,renderPass);
00444
00445 <font class="comment">// Set of vertex to remap</font>
00446 std::set<uint> vertexToRemap;
00447
00448 <font class="comment">// Remap triangles</font>
00449 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00450 <font class="keyword">const</font> uint32 *indexPtr=primitiveBlock.getTriPointer();
00451 uint32 numIndex=3*primitiveBlock.getNumTri();
00452 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a><numIndex; <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>++)
00453 vertexToRemap.insert (indexPtr[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]);
00454
00455 <font class="comment">// Remap quad</font>
00456 indexPtr=primitiveBlock.getQuadPointer();
00457 numIndex=4*primitiveBlock.getNumQuad();
00458 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a><numIndex; <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>++)
00459 vertexToRemap.insert (indexPtr[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]);
00460
00461 <font class="comment">// Remap the vertex</font>
00462 std::set<uint>::iterator iteRemap=vertexToRemap.begin();
00463 <font class="keywordflow">while</font> (iteRemap!=vertexToRemap.end())
00464 {
00465 <font class="comment">// Remap the vertex</font>
00466 <font class="keywordtype">float</font> *UVCoordinate=(<font class="keywordtype">float</font>*)vertexBuffer.getTexCoordPointer(*iteRemap);
00467 UVCoordinate[0]=UVCoordinate[0]*descBitmap.FactorU+descBitmap.U;
00468 UVCoordinate[1]=UVCoordinate[1]*descBitmap.FactorV+descBitmap.V;
00469
00470 <font class="comment">// Next vertex</font>
00471 iteRemap++;
00472 }
00473 }
00474 }
00475 }
00476 }
00477 }
00478
00479 <font class="comment">// ***************************************************************************</font>
00480
00481 } <font class="comment">// NL3D</font>
</pre></div>
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