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<hr><h1>mrm_builder.cpp</h1><a href="mrm__builder_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="mrm__builder_8h.html">3d/mrm_builder.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="mrm__parameters_8h.html">3d/mrm_parameters.h</a>"</font>
00030 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00031 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00032
00033
00034 <font class="keyword">namespace </font>NL3D
00035 {
00036
00037
00038 <font class="comment">// ***************************************************************************</font>
00039 <font class="comment">// ***************************************************************************</font>
00040 <font class="comment">// Tools Methods.</font>
00041 <font class="comment">// ***************************************************************************</font>
00042 <font class="comment">// ***************************************************************************</font>
00043
00044
00045 <font class="comment">// ***************************************************************************</font>
00046 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNL3D.html#a383">findElement</a>(vector<sint> &array, sint elt)
00047 {
00048 <font class="keywordflow">return</font> find(array.begin(), array.end(), elt) != array.end();
00049 }
00050 <font class="comment">// ***************************************************************************</font>
00051 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNL3D.html#a384">deleteElement</a>(vector<sint> &array, sint elt)
00052 {
00053 <font class="keywordtype">bool</font> found=<font class="keyword">false</font>;
00054 vector<sint>::iterator it=array.begin();
00055
00056 <font class="keywordflow">while</font>( (it=find(array.begin(), array.end(), elt)) != array.end() )
00057 found=<font class="keyword">true</font>, array.erase(it);
00058
00059 <font class="keywordflow">return</font> found;
00060 <font class="comment">// Must not use remove<> since it do not modify size ... (???)</font>
00061 <font class="comment">// This seems not to work.</font>
00062 <font class="comment">//return remove(array.begin(), array.end(), elt)!=array.end();</font>
00063 }
00064
00065
00066 <font class="comment">// ***************************************************************************</font>
00067 <font class="comment">// ***************************************************************************</font>
00068 <font class="comment">// Edge Cost methods.</font>
00069 <font class="comment">// ***************************************************************************</font>
00070 <font class="comment">// ***************************************************************************</font>
00071
00072
00073 <font class="comment">// ***************************************************************************</font>
<a name="l00074"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_0">00074</a> <font class="keywordtype">bool</font> CMRMBuilder::vertexHasOneWedge(sint numvertex)
00075 {
00076 CMRMVertex &vert= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[numvertex];
00077 <font class="keywordflow">for</font>(sint attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
00078 {
00079 sint numwedge=-1;
00080 <font class="keywordflow">for</font>(sint i=0;i<(sint)vert.SharedFaces.size();i++)
00081 {
00082 sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[vert.SharedFaces[i]].getAssociatedWedge(attId, numvertex);
00083 <font class="keywordflow">if</font>(numwedge>=0 && numwedge!=<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00084 <font class="keywordflow">else</font> numwedge=<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00085 }
00086 }
00087 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00088 }
00089 <font class="comment">// ***************************************************************************</font>
<a name="l00090"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_1">00090</a> <font class="keywordtype">bool</font> CMRMBuilder::vertexHasOneMaterial(sint numvertex)
00091 {
00092 sint matId=-1;
00093 CMRMVertex &vert= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[numvertex];
00094 <font class="keywordflow">for</font>(sint i=0;i<(sint)vert.SharedFaces.size();i++)
00095 {
00096 sint m= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[vert.SharedFaces[i]].MaterialId;
00097 <font class="keywordflow">if</font>(matId>=0 && matId!=m) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00098 <font class="keywordflow">else</font> matId=m;
00099 }
00100 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00101 }
00102 <font class="comment">// ***************************************************************************</font>
<a name="l00103"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_2">00103</a> <font class="keywordtype">bool</font> CMRMBuilder::vertexContinue(sint numvertex)
00104 {
00105 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_0">vertexHasOneWedge</a>(numvertex) && <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_1">vertexHasOneMaterial</a>(numvertex);
00106 }
00107 <font class="comment">// ***************************************************************************</font>
<a name="l00108"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_3">00108</a> <font class="keywordtype">bool</font> CMRMBuilder::vertexClosed(sint numvertex)
00109 {
00110 CMRMVertex &vert= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[numvertex];
00111 map<CMRMEdge, sint> EdgeShare;
00112 <font class="comment">// Init to 0.</font>
00113 sint i;
00114 <font class="keywordflow">for</font>(i=0;i<(sint)vert.SharedFaces.size();i++)
00115 {
00116 CMRMFaceBuild &f=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[vert.SharedFaces[i]];
00117 EdgeShare[f.getEdge(0)]= 0;
00118 EdgeShare[f.getEdge(1)]= 0;
00119 EdgeShare[f.getEdge(2)]= 0;
00120 }
00121 <font class="comment">// Inc count.</font>
00122 <font class="keywordflow">for</font>(i=0;i<(sint)vert.SharedFaces.size();i++)
00123 {
00124 CMRMFaceBuild &f=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[vert.SharedFaces[i]];
00125 EdgeShare[f.getEdge(0)]++;
00126 EdgeShare[f.getEdge(1)]++;
00127 EdgeShare[f.getEdge(2)]++;
00128 }
00129 <font class="comment">// Test open edges.</font>
00130 <font class="keywordflow">for</font>(i=0;i<(sint)vert.SharedFaces.size();i++)
00131 {
00132 CMRMFaceBuild &f=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[vert.SharedFaces[i]];
00133 sint v0= f.Corner[0].Vertex;
00134 sint v1= f.Corner[1].Vertex;
00135 sint v2= f.Corner[2].Vertex;
00136 <font class="keywordflow">if</font>(EdgeShare[f.getEdge(0)]<2 && (v0==numvertex || v1==numvertex)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00137 <font class="keywordflow">if</font>(EdgeShare[f.getEdge(1)]<2 && (v1==numvertex || v2==numvertex)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00138 <font class="keywordflow">if</font>(EdgeShare[f.getEdge(2)]<2 && (v0==numvertex || v2==numvertex)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00139 }
00140 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00141 }
00142 <font class="comment">// ***************************************************************************</font>
<a name="l00143"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_4">00143</a> <font class="keywordtype">float</font> CMRMBuilder::getDeltaFaceNormals(sint numvertex)
00144 {
00145 <font class="comment">// return a positive value of Somme(|DeltaNormals|) / NNormals.</font>
00146 CMRMVertex &vert= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[numvertex];
00147 <font class="keywordtype">float</font> delta=0;
00148 CVector refNormal;
00149 sint nfaces=vert.SharedFaces.size();
00150 <font class="keywordflow">for</font>(sint i=0;i<nfaces;i++)
00151 {
00152 CVector normal;
00153 CVector &v0= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i].Corner[0].Vertex].Current;
00154 CVector &v1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i].Corner[1].Vertex].Current;
00155 CVector &v2= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i].Corner[2].Vertex].Current;
00156 normal= (v1-v0)^(v2-v0);
00157 normal.normalize();
00158 <font class="keywordflow">if</font>(i==0)
00159 refNormal=normal;
00160 <font class="keywordflow">else</font>
00161 delta+=(1-refNormal*normal);
00162 }
00163 <font class="keywordflow">if</font>(nfaces<2)
00164 <font class="keywordflow">return</font> 0;
00165 <font class="keywordflow">else</font>
00166 <font class="keywordflow">return</font> delta/(nfaces-1);
00167 }
00168 <font class="comment">// ***************************************************************************</font>
<a name="l00169"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_5">00169</a> <font class="keywordtype">bool</font> CMRMBuilder::edgeContinue(<font class="keyword">const</font> CMRMEdge &edge)
00170 {
00171 sint v0= edge.v0;
00172 sint v1= edge.v1;
00173 CMRMVertex &Vertex1=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v0];
00174
00175 <font class="comment">// build list sharing edge.</font>
00176 vector<sint> deletedFaces;
00177 sint i;
00178 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex1.SharedFaces.size();i++)
00179 {
00180 sint numFace= Vertex1.SharedFaces[i];
00181 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].hasVertex(v1))
00182 deletedFaces.push_back(numFace);
00183 }
00184
00185 sint matId=-1;
00186 <font class="comment">// test if faces have same material.</font>
00187 <font class="keywordflow">for</font>(i=0;i<(sint)deletedFaces.size();i++)
00188 {
00189 sint m;
00190 m= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[deletedFaces[i]].MaterialId;
00191 <font class="keywordflow">if</font>(matId>=0 && matId!=m) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00192 <font class="keywordflow">else</font> matId=m;
00193 }
00194
00195 <font class="comment">// test if faces have same wedge (for all att).</font>
00196 <font class="keywordflow">for</font>(sint attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
00197 {
00198 sint numwedge1=-1,numwedge2=-1;
00199 <font class="keywordflow">for</font>(i=0;i<(sint)deletedFaces.size();i++)
00200 {
00201 sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00202 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[deletedFaces[i]].getAssociatedWedge(attId, v0);
00203 <font class="keywordflow">if</font>(numwedge1>=0 && numwedge1!=<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00204 <font class="keywordflow">else</font> numwedge1=<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00205 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[deletedFaces[i]].getAssociatedWedge(attId, v1);
00206 <font class="keywordflow">if</font>(numwedge2>=0 && numwedge2!=<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00207 <font class="keywordflow">else</font> numwedge2=<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00208 }
00209 }
00210
00211 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00212 }
00213 <font class="comment">// ***************************************************************************</font>
<a name="l00214"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_6">00214</a> <font class="keywordtype">bool</font> CMRMBuilder::edgeNearUniqueMatFace(<font class="keyword">const</font> CMRMEdge &edge)
00215 {
00216 sint v0= edge.v0;
00217 sint v1= edge.v1;
00218 CMRMVertex &Vertex1=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v0];
00219
00220 <font class="comment">// build list sharing edge.</font>
00221 vector<sint> deletedFaces;
00222 sint i;
00223 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex1.SharedFaces.size();i++)
00224 {
00225 sint numFace= Vertex1.SharedFaces[i];
00226 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].hasVertex(v1))
00227 deletedFaces.push_back(numFace);
00228 }
00229
00230 <font class="comment">// test if faces are not isolated OneMaterial faces.</font>
00231 <font class="keywordflow">for</font>(i=0;i<(sint)deletedFaces.size();i++)
00232 {
00233 CMRMFaceBuild &f=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[deletedFaces[i]];
00234 <font class="keywordflow">if</font>( !<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_5">edgeContinue</a>(f.getEdge(0)) &&
00235 !<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_5">edgeContinue</a>(f.getEdge(1)) &&
00236 !<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_5">edgeContinue</a>(f.getEdge(2)))
00237 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00238 }
00239
00240 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00241 }
00242
00243 <font class="comment">// ***************************************************************************</font>
<a name="l00244"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_7">00244</a> <font class="keywordtype">float</font> CMRMBuilder::computeEdgeCost(<font class="keyword">const</font> CMRMEdge &edge)
00245 {
00246 sint v1= edge.v0;
00247 sint v2= edge.v1;
00248 <font class="comment">// more expensive is the edge, later it will collapse.</font>
00249
00250
00251 <font class="comment">// **** standard cost</font>
00252
00253 <font class="comment">// compute size of the edge.</font>
00254 <font class="keywordtype">float</font> cost=(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v1].Current-<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v2].Current).norm();
00255
00256 <font class="comment">// compute "curvature" of the edge.</font>
00257 <font class="keywordtype">float</font> faceCost= (<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_4">getDeltaFaceNormals</a>(v1)+<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_4">getDeltaFaceNormals</a>(v2));
00258 <font class="comment">// totally plane faces (faceCost==0) must be collapsed with respect to size (and not random if cost==0).</font>
00259 <font class="comment">// else we may have Plane Mesh (like flags) that will collapse in a very ugly way.</font>
00260 faceCost= max(faceCost, 0.01f);
00261
00262 <font class="comment">// modulate size with curvature.</font>
00263 cost*= faceCost;
00264
00265 <font class="comment">// Like H.Hope, add a weight on discontinuities..</font>
00266 <font class="keywordflow">if</font>( !<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_2">vertexContinue</a>(v1) && !<a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_2">vertexContinue</a>(v2) )
00267 {
00268 <font class="comment">// Nb: don't do this on discontinuities edges, unless the unique material face will collapse (pffiou!!).</font>
00269 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_5">edgeContinue</a>(edge) || <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_6">edgeNearUniqueMatFace</a>(edge) )
00270 cost*=4;
00271 }
00272
00273 <font class="comment">// **** Interface Sewing cost</font>
00274 <font class="keywordflow">if</font>(_HasMeshInterfaces)
00275 {
00276 <font class="comment">// if the 2 vertices comes from the same Sewing Interface mesh (must be a real interface id)</font>
00277 sint meshSewingId= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v1].InterfaceLink.InterfaceId;
00278 <font class="keywordflow">if</font>( meshSewingId>=0 && meshSewingId == <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v2].InterfaceLink.InterfaceId)
00279 {
00280 <font class="comment">// Then the edge is one of the sewing interface mesh. must do special things for it</font>
00281 CMRMSewingMesh &sewingMesh= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_2">_SewingMeshes</a>[meshSewingId];
00282 uint dummy;
00283
00284 <font class="comment">// get the sewing edge id</font>
00285 CMRMEdge sewingEdge;
00286 sewingEdge.v0= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v1].InterfaceLink.InterfaceVertexId;
00287 sewingEdge.v1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[v2].InterfaceLink.InterfaceVertexId;
00288 <font class="comment">// if the current sewing lod want to collapse this edge</font>
00289 sint collapseId= sewingMesh.mustCollapseEdge(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_3">_CurrentLodComputed</a>, sewingEdge, dummy);
00290 <font class="keywordflow">if</font>(collapseId>=0)
00291 {
00292 <font class="comment">// Then set a negative priority (ie will collapse as soon as possible). from -N to -1.</font>
00293 <font class="comment">// NB: sort them according to collapseId</font>
00294 cost= (float)(-sewingMesh.getNumCollapseEdge(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_3">_CurrentLodComputed</a>) + collapseId);
00295 }
00296 <font class="keywordflow">else</font>
00297 {
00298 <font class="comment">// This edge must not collapse at this Lod, set an infinite priority (hope will never collapse).</font>
00299 cost= FLT_MAX;
00300 }
00301 }
00302 }
00303
00304 <font class="keywordflow">return</font> cost;
00305 }
00306
00307
00308
00309
00310 <font class="comment">// ***************************************************************************</font>
00311 <font class="comment">// ***************************************************************************</font>
00312 <font class="comment">// Collapse Methods.</font>
00313 <font class="comment">// ***************************************************************************</font>
00314 <font class="comment">// ***************************************************************************</font>
00315
00316
00317 <font class="comment">// ***************************************************************************</font>
<a name="l00318"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_0">00318</a> <font class="keywordtype">bool</font> CMRMBuilder::faceShareWedges(CMRMFaceBuild *face, sint attribId, sint numVertex1, sint numVertex2)
00319 {
00320 sint numWedge1= face->getAssociatedWedge(attribId, numVertex1);
00321 sint numWedge2= face->getAssociatedWedge(attribId, numVertex2);
00322 <font class="keywordflow">if</font>(numWedge1<0) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00323 <font class="keywordflow">if</font>(numWedge2<0) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00324
00325 CMRMAttribute &w1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attribId][numWedge1];
00326 CMRMAttribute &w2= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attribId][numWedge2];
00327 <font class="keywordflow">return</font> w1.Shared && w2.Shared && w1.NbSharedFaces>0 && w2.NbSharedFaces>0;
00328 }
00329
00330
00331 <font class="comment">// ***************************************************************************</font>
<a name="l00332"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_1">00332</a> <font class="keywordtype">void</font> CMRMBuilder::insertFaceIntoEdgeList(CMRMFaceBuild &f)
00333 {
00334 <font class="keywordtype">float</font> len;
00335 <font class="keywordflow">if</font>(f.ValidIt0)
00336 {
00337 len= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_7">computeEdgeCost</a>(f.getEdge(0));
00338 f. It0= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.insert( TEdgeMap::value_type( len, CMRMEdgeFace(f.getEdge(0),&f) ) );
00339 }
00340 <font class="keywordflow">if</font>(f.ValidIt1)
00341 {
00342 len= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_7">computeEdgeCost</a>(f.getEdge(1));
00343 f. It1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.insert( TEdgeMap::value_type( len, CMRMEdgeFace(f.getEdge(1),&f) ) );
00344 }
00345 <font class="keywordflow">if</font>(f.ValidIt2)
00346 {
00347 len= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_7">computeEdgeCost</a>(f.getEdge(2));
00348 f. It2= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.insert( TEdgeMap::value_type( len, CMRMEdgeFace(f.getEdge(2),&f) ) );
00349 }
00350 }
00351 <font class="comment">// ***************************************************************************</font>
<a name="l00352"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_2">00352</a> <font class="keywordtype">void</font> CMRMBuilder::removeFaceFromEdgeList(CMRMFaceBuild &f)
00353 {
00354 <font class="keywordflow">if</font>(f.ValidIt0)
00355 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.erase(f.It0);
00356 <font class="keywordflow">if</font>(f.ValidIt1)
00357 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.erase(f.It1);
00358 <font class="keywordflow">if</font>(f.ValidIt2)
00359 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.erase(f.It2);
00360 }
00361
00362
00363
00364 <font class="comment">// ***************************************************************************</font>
<a name="l00365"></a><a class="code" href="structNL3D_1_1CTmpVertexWeight.html">00365</a> <font class="keyword">struct </font>CTmpVertexWeight
00366 {
<a name="l00367"></a><a class="code" href="structNL3D_1_1CTmpVertexWeight.html#m0">00367</a> uint32 <a class="code" href="structNL3D_1_1CTmpVertexWeight.html#m0">MatrixId</a>;
<a name="l00368"></a><a class="code" href="structNL3D_1_1CTmpVertexWeight.html#m1">00368</a> <font class="keywordtype">float</font> <a class="code" href="structNL3D_1_1CTmpVertexWeight.html#m1">Weight</a>;
00369 <font class="comment">// For find().</font>
<a name="l00370"></a><a class="code" href="structNL3D_1_1CTmpVertexWeight.html#a0">00370</a> <font class="keywordtype">bool</font> <a class="code" href="structNL3D_1_1CTmpVertexWeight.html#a0">operator==</a>(<font class="keyword">const</font> CTmpVertexWeight &o)<font class="keyword"> const</font>
00371 <font class="keyword"> </font>{
00372 <font class="keywordflow">return</font> <a class="code" href="structNL3D_1_1CTmpVertexWeight.html#m0">MatrixId</a>==o.MatrixId;
00373 }
00374 <font class="comment">// For sort().</font>
<a name="l00375"></a><a class="code" href="structNL3D_1_1CTmpVertexWeight.html#a1">00375</a> <font class="keywordtype">bool</font> <a class="code" href="structNL3D_1_1CTmpVertexWeight.html#a1">operator<</a>(<font class="keyword">const</font> CTmpVertexWeight &o)<font class="keyword"> const</font>
00376 <font class="keyword"> </font>{
00377 <font class="keywordflow">return</font> <a class="code" href="structNL3D_1_1CTmpVertexWeight.html#m1">Weight</a>>o.Weight;
00378 }
00379
00380 };
00381
00382
00383 <font class="comment">// ***************************************************************************</font>
<a name="l00384"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_6">00384</a> CMesh::CSkinWeight CMRMBuilder::collapseSkinWeight(<font class="keyword">const</font> CMesh::CSkinWeight &sw1, <font class="keyword">const</font> CMesh::CSkinWeight &sw2, <font class="keywordtype">float</font> interValue)<font class="keyword"> const</font>
00385 <font class="keyword"></font>{
00386 <font class="comment">// If fast interpolation.</font>
00387 <font class="keywordflow">if</font>(interValue==0)
00388 <font class="keywordflow">return</font> sw1;
00389 <font class="keywordflow">if</font>(interValue==1)
00390 <font class="keywordflow">return</font> sw2;
00391
00392 <font class="comment">// else, must blend a skinWeight: must identify matrix which exist in the 2 sws, and add new ones.</font>
00393 uint nbMats1=0;
00394 uint nbMats2=0;
00395 <font class="keyword">static</font> vector<CTmpVertexWeight> sws;
00396 sws.reserve(<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a> * 2);
00397 sws.clear();
00398
00399 <font class="comment">// For all weights of sw1.</font>
00400 uint i;
00401 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; i++)
00402 {
00403 CTmpVertexWeight vw;
00404 vw.MatrixId= sw1.MatrixId[i];
00405 vw.Weight= sw1.Weights[i]*(1-interValue);
00406 <font class="comment">// if this weight is not null.</font>
00407 <font class="keywordflow">if</font>(vw.Weight>0)
00408 {
00409 <font class="comment">// add it to the list.</font>
00410 sws.push_back(vw);
00411 }
00412 <font class="comment">// For skinning reduction.</font>
00413 <font class="keywordflow">if</font>(sw1.Weights[i]>0)
00414 nbMats1++;
00415 }
00416
00417
00418 <font class="comment">// For all weights of sw1.</font>
00419 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; i++)
00420 {
00421 CTmpVertexWeight vw;
00422 vw.MatrixId= sw2.MatrixId[i];
00423 vw.Weight= sw2.Weights[i]*(interValue);
00424 <font class="comment">// if this weight is not null.</font>
00425 <font class="keywordflow">if</font>(vw.Weight>0)
00426 {
00427 <font class="comment">// add it or add influence to the matrix.</font>
00428 vector<CTmpVertexWeight>::iterator it= find(sws.begin(), sws.end(), vw);
00429 <font class="keywordflow">if</font>(it== sws.end())
00430 sws.push_back(vw);
00431 <font class="keywordflow">else</font>
00432 it->Weight+= vw.Weight;
00433 }
00434 <font class="comment">// For skinning reduction.</font>
00435 <font class="keywordflow">if</font>(sw2.Weights[i]>0)
00436 nbMats2++;
00437 }
00438
00439
00440 <font class="comment">// Then keep just the best.</font>
00441 <font class="comment">// sort by Weight decreasing order.</font>
00442 sort(sws.begin(), sws.end());
00443
00444 <font class="comment">// clamp the result to the wanted max matrix.</font>
00445 uint nbMatsOut;
00446 <font class="keywordflow">switch</font>(_SkinReduction)
00447 {
00448 <font class="keywordflow">case</font> CMRMParameters::SkinReductionMin:
00449 nbMatsOut= <a class="code" href="bit__set_8cpp.html#a0">min</a>(nbMats1, nbMats2);
00450 <font class="keywordflow">break</font>;
00451 <font class="keywordflow">case</font> CMRMParameters::SkinReductionMax:
00452 nbMatsOut= max(nbMats1, nbMats2);
00453 <font class="keywordflow">break</font>;
00454 <font class="keywordflow">case</font> CMRMParameters::SkinReductionBest:
00455 nbMatsOut= <a class="code" href="bit__set_8cpp.html#a0">min</a>( sws.size(), (uint)<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a> );
00456 <font class="keywordflow">break</font>;
00457 <font class="keywordflow">default</font>:
00458 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00459 };
00460 <font class="comment">// For security.</font>
00461 nbMatsOut= <a class="code" href="bit__set_8cpp.html#a0">min</a>(nbMatsOut, sws.size());
00462 <a class="code" href="debug_8h.html#a6">nlassert</a>(nbMatsOut<=<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>);
00463
00464
00465 <font class="comment">// Then output the result to the skinWeight, normalizing.</font>
00466 <font class="keywordtype">float</font> sumWeight=0;
00467 <font class="keywordflow">for</font>(i= 0; i<nbMatsOut; i++)
00468 {
00469 sumWeight+= sws[i].Weight;
00470 }
00471
00472 CMesh::CSkinWeight ret;
00473 <font class="comment">// Fill only needed matrix (other are rested in CMesh::CSkinWeight ctor).</font>
00474 <font class="keywordflow">for</font>(i= 0; i<nbMatsOut; i++)
00475 {
00476 ret.MatrixId[i]= sws[i].MatrixId;
00477 ret.Weights[i]= sws[i].Weight / sumWeight;
00478 }
00479
00480 <font class="keywordflow">return</font> ret;
00481 }
00482
00483 <font class="comment">// ***************************************************************************</font>
<a name="l00484"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_3">00484</a> sint CMRMBuilder::collapseEdge(<font class="keyword">const</font> CMRMEdge &edge)
00485 {
00486 sint i,j;
00487 <font class="keywordtype">float</font> InterValue;
00488 sint edgeV1=edge.v0;
00489 sint edgeV2=edge.v1;
00490
00491
00492 <font class="comment">// 0. collapse the vertices.</font>
00493 <font class="comment">//==========================</font>
00494
00495 <font class="comment">// edge.Vertex1 kept, but morphed.</font>
00496 <font class="comment">// edge.Vertex2 deleted, and must know on which vertex it collapse.</font>
00497 CMRMVertex &Vertex1=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[edgeV1], &Vertex2=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[edgeV2];
00498
00499 <font class="comment">// Interpolation choice.</font>
00500 <font class="comment">// Default is to interpolate vertex 0 to the middle of the edge.</font>
00501 InterValue=0.5;
00502 <font class="comment">//InterValue=1;</font>
00503 <font class="comment">// **** If at least one vertex of the edge is on a mesh sewing interface, must change InterValue</font>
00504 <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_1">_HasMeshInterfaces</a> && (Vertex1.InterfaceLink.InterfaceId>=0 || Vertex2.InterfaceLink.InterfaceId>=0) )
00505 {
00506 <font class="comment">// If this is an edge of a mesh sewing interface</font>
00507 <font class="keywordflow">if</font>(Vertex1.InterfaceLink.InterfaceId==Vertex2.InterfaceLink.InterfaceId)
00508 {
00509 <font class="comment">// Then the edge is one of the sewing interface mesh. must do special things for it</font>
00510 CMRMSewingMesh &sewingMesh= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_2">_SewingMeshes</a>[Vertex1.InterfaceLink.InterfaceId];
00511
00512 <font class="comment">// get the sewing edge id</font>
00513 CMRMEdge sewingEdge;
00514 sewingEdge.v0= Vertex1.InterfaceLink.InterfaceVertexId;
00515 sewingEdge.v1= Vertex2.InterfaceLink.InterfaceVertexId;
00516
00517 <font class="comment">// Get the edge in the sewing mesh which is said to be collapsed</font>
00518 uint vertToCollapse;
00519 sint collapseId= sewingMesh.mustCollapseEdge(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_3">_CurrentLodComputed</a>, sewingEdge, vertToCollapse);
00520 <font class="comment">// if exist</font>
00521 <font class="keywordflow">if</font>(collapseId>=0)
00522 {
00523 <font class="comment">// if it is v0 which must collapse, then InterValue=1</font>
00524 <font class="keywordflow">if</font>(vertToCollapse==(uint)sewingEdge.v0)
00525 InterValue= 1;
00526 <font class="keywordflow">else</font>
00527 InterValue= 0;
00528
00529 }
00530 <font class="keywordflow">else</font>
00531 {
00532 <font class="comment">// This should not happens. But it is still possible if this edge don't want to collapse but if their</font>
00533 <font class="comment">// is no more choice. Take a default value</font>
00534 InterValue= 0;
00535 }
00536 }
00537 <font class="keywordflow">else</font>
00538 {
00539 <font class="comment">// must collapse to the vertex on the sewing interface (as if it was open)</font>
00540 <font class="keywordflow">if</font>(Vertex1.InterfaceLink.InterfaceId>=0)
00541 {
00542 <font class="comment">// NB: it is possible that both vertices are on a different sewing interface... still collapse (must have to)</font>
00543 InterValue= 0;
00544 }
00545 <font class="keywordflow">else</font>
00546 {
00547 <font class="comment">// Then Vertex2 is on a sewing interface, collapse to it</font>
00548 InterValue= 1;
00549 }
00550 }
00551 }
00552 <font class="comment">// **** Else, on special cases, it is much more efficient to interpolate at start or at end of edge.</font>
00553 <font class="keywordflow">else</font>
00554 {
00555 <font class="comment">// If one vertex is "open", ie his shared faces do not represent a closed Fan, then interpolate to this one, </font>
00556 <font class="comment">// so the mesh has the same silhouette.</font>
00557 <font class="keywordtype">bool</font> vc1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_3">vertexClosed</a>(edgeV1);
00558 <font class="keywordtype">bool</font> vc2= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_3">vertexClosed</a>(edgeV2);
00559 <font class="keywordflow">if</font>(!vc1 && vc2) InterValue=0;
00560 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(vc1 && !vc2) InterValue=1;
00561 <font class="keywordflow">else</font>
00562 {
00563 <font class="comment">// Do the same test but with vertex continue: it is preferable to not move the boundaries </font>
00564 <font class="comment">// of a material, or a mapping.</font>
00565 <font class="keywordtype">bool</font> vc1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_2">vertexContinue</a>(edgeV1);
00566 <font class="keywordtype">bool</font> vc2= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z625_2">vertexContinue</a>(edgeV2);
00567 <font class="keywordflow">if</font>(!vc1 && vc2) InterValue=0;
00568 <font class="keywordflow">if</font>(vc1 && !vc2) InterValue=1;
00569 }
00570 }
00571 <font class="comment">/*BENCH_TotalCollapses++;</font>
00572 <font class="comment"> if(InterValue==0.5)</font>
00573 <font class="comment"> BENCH_MiddleCollapses++;*/</font>
00574
00575 <font class="comment">// Collapse the Vertex.</font>
00576 <font class="comment">//========================</font>
00577 Vertex1.Current= Vertex1.Current*(1-InterValue) + Vertex2.Current*InterValue;
00578 <font class="keywordflow">for</font> (i = 0; i < (sint)Vertex1.BSCurrent.size(); ++i)
00579 Vertex1.BSCurrent[i] = Vertex1.BSCurrent[i]*(1-InterValue) + Vertex2.BSCurrent[i]*InterValue;
00580 Vertex2.CollapsedTo= edgeV1;
00581 <font class="keywordflow">if</font>(_Skinned)
00582 Vertex1.CurrentSW= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_6">collapseSkinWeight</a>(Vertex1.CurrentSW, Vertex2.CurrentSW, InterValue);
00583 <font class="keywordflow">if</font>( _HasMeshInterfaces )
00584 Vertex1.InterfaceLink= InterValue<0.5f? Vertex1.InterfaceLink : Vertex2.InterfaceLink;
00585
00586 <font class="comment">// \todo yoyo: TODO_BUG: Don't know why, but vertices may point on deleted faces.</font>
00587 <font class="comment">// Temp: we destroy here thoses face from SharedFaces...</font>
00588 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex1.SharedFaces.size();i++)
00589 {
00590 sint numFace= Vertex1.SharedFaces[i];
00591 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].Deleted)
00592 <a class="code" href="namespaceNL3D.html#a384">deleteElement</a>(Vertex1.SharedFaces, numFace), i--;
00593 }
00594 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex2.SharedFaces.size();i++)
00595 {
00596 sint numFace= Vertex2.SharedFaces[i];
00597 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].Deleted)
00598 <a class="code" href="namespaceNL3D.html#a384">deleteElement</a>(Vertex2.SharedFaces, numFace), i--;
00599 }
00600
00601
00602 <font class="comment">// Build Neighbor faces.</font>
00603 vector<sint> neighboorFaces;
00604 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex1.SharedFaces.size();i++)
00605 {
00606 sint numFace= Vertex1.SharedFaces[i];
00607 <font class="keywordflow">if</font>(!<a class="code" href="namespaceNL3D.html#a383">findElement</a>(neighboorFaces, numFace))
00608 neighboorFaces.push_back(numFace);
00609 }
00610 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex2.SharedFaces.size();i++)
00611 {
00612 sint numFace= Vertex2.SharedFaces[i];
00613 <font class="keywordflow">if</font>(!<a class="code" href="namespaceNL3D.html#a383">findElement</a>(neighboorFaces, numFace))
00614 neighboorFaces.push_back(numFace);
00615 }
00616
00617 <font class="comment">// Build faces which will be destroyed (may 1 or 2, maybe more for non conventionnal meshes).</font>
00618 vector<sint> deletedFaces;
00619 <font class="keywordflow">for</font>(i=0;i<(sint)Vertex1.SharedFaces.size();i++)
00620 {
00621 sint numFace= Vertex1.SharedFaces[i];
00622 <a class="code" href="debug_8h.html#a6">nlassert</a>(!<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].Deleted);
00623 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].hasVertex(edgeV2))
00624 deletedFaces.push_back(numFace);
00625 }
00626
00627
00628 <font class="comment">// 1. Collapse the wedges.</font>
00629 <font class="comment">//========================</font>
00630
00631 <font class="comment">// For ALL Attributes.</font>
00632 <font class="keywordflow">for</font>(sint attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
00633 {
00634 <font class="comment">// a/ Stock the wedge interpolation in each destroyed face.</font>
00635 <font class="comment">//------------------------------------------------------</font>
00636 <font class="keywordflow">for</font>(i=0;i<(sint)deletedFaces.size();i++)
00637 {
00638 CMRMFaceBuild &face= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[deletedFaces[i]];
00639
00640 CVectorH &w0= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][ face.getAssociatedWedge(attId, edgeV1) ].Current;
00641 CVectorH &w1= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][ face.getAssociatedWedge(attId, edgeV2) ].Current;
00642
00643 CVectorH &itp= face.InterpolatedAttribute;
00644 itp.x= w0.x*(1-InterValue) + w1.x*InterValue;
00645 itp.y= w0.y*(1-InterValue) + w1.y*InterValue;
00646 itp.z= w0.z*(1-InterValue) + w1.z*InterValue;
00647 itp.w= w0.w*(1-InterValue) + w1.w*InterValue;
00648
00649 <font class="keywordflow">for</font> (j = 0; j < (sint)face.BSInterpolated.size(); ++j)
00650 {
00651 CVectorH &w0 = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][face.getAssociatedWedge(attId, edgeV1)].BSCurrent[j];
00652 CVectorH &w1 = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][face.getAssociatedWedge(attId, edgeV2)].BSCurrent[j];
00653 CVectorH &itb = face.BSInterpolated[j];
00654 itb.x = w0.x*(1-InterValue) + w1.x*InterValue;
00655 itb.y = w0.y*(1-InterValue) + w1.y*InterValue;
00656 itb.z = w0.z*(1-InterValue) + w1.z*InterValue;
00657 itb.w = w0.w*(1-InterValue) + w1.w*InterValue;
00658 }
00659 }
00660
00661
00662 <font class="comment">// b/ Build wedge list to be modify.</font>
00663 <font class="comment">//----------------------------------</font>
00664 vector<sint> wedges;
00665
00666 <font class="keywordflow">for</font>(i=0;i<(sint)neighboorFaces.size();i++)
00667 {
00668 CMRMFaceBuild &face= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[neighboorFaces[i]];
00669 sint numWedge;
00670
00671 numWedge= face.getAssociatedWedge(attId, edgeV1);
00672 <font class="keywordflow">if</font>(numWedge>=0 && !<a class="code" href="namespaceNL3D.html#a383">findElement</a>(wedges, numWedge))
00673 wedges.push_back(numWedge);
00674
00675 numWedge= face.getAssociatedWedge(attId, edgeV2);
00676 <font class="keywordflow">if</font>(numWedge>=0 && !<a class="code" href="namespaceNL3D.html#a383">findElement</a>(wedges, numWedge))
00677 wedges.push_back(numWedge);
00678 }
00679
00680
00681 <font class="comment">// c/ Count numFaces which point on those wedges. (- deleted faces).</font>
00682 <font class="comment">//------------------------------------------------------------------</font>
00683
00684 <font class="keywordflow">for</font>(i=0;i<(sint)wedges.size();i++)
00685 {
00686 sint numWedge= wedges[i];
00687 CMRMAttribute &wedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][numWedge];
00688
00689 wedge.NbSharedFaces=0;
00690 wedge.Shared=<font class="keyword">false</font>;
00691
00692 <font class="comment">// Count total ref count.</font>
00693 <font class="keywordflow">for</font>(j=0;j<(sint)neighboorFaces.size();j++)
00694 {
00695 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[neighboorFaces[j]].hasWedge(attId, numWedge))
00696 wedge.NbSharedFaces++;
00697 }
00698
00699 <font class="comment">// Minus deleted faces.</font>
00700 <font class="keywordflow">for</font>(j=0;j<(sint)deletedFaces.size();j++)
00701 {
00702 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[deletedFaces[j]].hasWedge(attId, numWedge))
00703 {
00704 wedge.NbSharedFaces--;
00705 wedge.Shared=<font class="keyword">true</font>;
00706 wedge.InterpolatedFace=deletedFaces[j];
00707 }
00708 }
00709 }
00710
00711
00712 <font class="comment">// d/ Collapse wedge following 3 possibles cases.</font>
00713 <font class="comment">//-----------------------------------------------</font>
00714
00715
00716 <font class="keywordflow">for</font>(i=0;i<(sint)wedges.size();i++)
00717 {
00718 sint numWedge= wedges[i];
00719 CMRMAttribute &wedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][numWedge];
00720
00721 <font class="comment">// if wedge not shared...</font>
00722 <font class="keywordflow">if</font>(!wedge.Shared)
00723 {
00724 <font class="comment">// We've got an "exterior wedge" which lost no corner => do not merge it nor delete it. </font>
00725 <font class="comment">// Leave it as the same value (extrapolate it may not be a good solution).</font>
00726 }
00727 <font class="keywordflow">else</font>
00728 {
00729 <font class="comment">// if wedge dissapears, notify.</font>
00730 <font class="keywordflow">if</font>(wedge.NbSharedFaces==0)
00731 {
00732 wedge.CollapsedTo=-2;
00733 <font class="comment">// Do not change his value. (as specified in Hope article).</font>
00734 }
00735 <font class="keywordflow">else</font>
00736 {
00737 CMRMFaceBuild &face= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[wedge.InterpolatedFace];
00738
00739 <font class="comment">// Must interpolate it.</font>
00740 wedge.Current= face.InterpolatedAttribute;
00741 wedge.BSCurrent = face.BSInterpolated;
00742
00743 <font class="comment">// Must merge the wedge of the second vertex on first</font>
00744 <font class="comment">// ONLY IF 2 interpolated wedges are shared and NbSharedFaces!=0.</font>
00745 <font class="keywordflow">if</font>( numWedge==face.getAssociatedWedge(attId, edgeV2) &&
00746 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_0">faceShareWedges</a>(&face, attId, edgeV1, edgeV2) )
00747 {
00748 wedge.CollapsedTo= face.getAssociatedWedge(attId, edgeV1);
00749 }
00750 }
00751 }
00752 }
00753
00754 }
00755
00756 <font class="comment">// 3. collapse faces.</font>
00757 <font class="comment">//===================</font>
00758
00759 <font class="comment">// delete face shared by edge.</font>
00760 <font class="keywordflow">for</font>(i=0;i<(sint)deletedFaces.size();i++)
00761 {
00762 sint numFace= deletedFaces[i];
00763 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].Deleted=<font class="keyword">true</font>;
00764
00765 <font class="comment">// release edges from list.</font>
00766 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_2">removeFaceFromEdgeList</a>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace]);
00767 <font class="comment">// ivalid all it!!</font>
00768 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[numFace].invalidAllIts(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>);
00769
00770
00771 <font class="comment">// delete from vertex1 and 2 the deleted faces.</font>
00772 <a class="code" href="namespaceNL3D.html#a384">deleteElement</a>( Vertex1.SharedFaces, numFace);
00773 <a class="code" href="namespaceNL3D.html#a384">deleteElement</a>( Vertex2.SharedFaces, numFace);
00774 }
00775
00776
00777 <font class="comment">// must ref correctly the faces.</font>
00778 <font class="keywordflow">for</font>(i=0;i<(sint)neighboorFaces.size();i++)
00779 {
00780 CMRMFaceBuild &face=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[neighboorFaces[i]];
00781
00782 <font class="comment">// good vertices</font>
00783 <font class="keywordflow">if</font>(face.Corner[0].Vertex ==edgeV2) face.Corner[0].Vertex=edgeV1;
00784 <font class="keywordflow">if</font>(face.Corner[1].Vertex ==edgeV2) face.Corner[1].Vertex=edgeV1;
00785 <font class="keywordflow">if</font>(face.Corner[2].Vertex ==edgeV2) face.Corner[2].Vertex=edgeV1;
00786 <font class="comment">// nb: doesn't matter if deletedFaces are modified...</font>
00787
00788 <font class="comment">// good wedges</font>
00789 <font class="keywordflow">for</font>(sint attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
00790 {
00791 sint newWedge;
00792 newWedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][ face.Corner[0].Attributes[attId] ].CollapsedTo;
00793 <font class="keywordflow">if</font>(newWedge>=0) face.Corner[0].Attributes[attId]= newWedge;
00794 newWedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][ face.Corner[1].Attributes[attId] ].CollapsedTo;
00795 <font class="keywordflow">if</font>(newWedge>=0) face.Corner[1].Attributes[attId]= newWedge;
00796 newWedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][ face.Corner[2].Attributes[attId] ].CollapsedTo;
00797 <font class="keywordflow">if</font>(newWedge>=0) face.Corner[2].Attributes[attId]= newWedge;
00798 }
00799
00800 <font class="comment">// good edges.</font>
00801 <font class="comment">/* Those ones are updated in collapseEdges(): they are removed from the edgeCollapseList, </font>
00802 <font class="comment"> then they are re-inserted with good Vertex indices.</font>
00803 <font class="comment"> */</font>
00804 }
00805
00806
00807 <font class="comment">// The vertex1 has now the shared env of vertex2.</font>
00808 Vertex1.SharedFaces.insert(Vertex1.SharedFaces.end(), Vertex2.SharedFaces.begin(),
00809 Vertex2.SharedFaces.end());
00810
00811
00812 <font class="keywordflow">return</font> deletedFaces.size();
00813 }
00814
00815
00816 <font class="comment">// ***************************************************************************</font>
<a name="l00817"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_4">00817</a> sint CMRMBuilder::followVertex(sint i)
00818 {
00819 CMRMVertex &vert=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i];
00820 <font class="keywordflow">if</font>(vert.CollapsedTo>=0)
00821 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_4">followVertex</a>(vert.CollapsedTo);
00822 <font class="keywordflow">else</font>
00823 <font class="keywordflow">return</font> i;
00824 }
00825 <font class="comment">// ***************************************************************************</font>
<a name="l00826"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_5">00826</a> sint CMRMBuilder::followWedge(sint attribId, sint i)
00827 {
00828 CMRMAttribute &wedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attribId][i];
00829 <font class="keywordflow">if</font>(wedge.CollapsedTo>=0)
00830 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_5">followWedge</a>(attribId, wedge.CollapsedTo);
00831 <font class="keywordflow">else</font>
00832 <font class="keywordflow">return</font> i;
00833 }
00834
00835
00836 <font class="comment">// ***************************************************************************</font>
00837 <font class="comment">// ***************************************************************************</font>
00838 <font class="comment">// Mesh Level method.</font>
00839 <font class="comment">// ***************************************************************************</font>
00840 <font class="comment">// ***************************************************************************</font>
00841
00842
00843 <font class="comment">// ***************************************************************************</font>
<a name="l00844"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#a0">00844</a> CMRMBuilder::CMRMBuilder()
00845 {
00846 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>= 0;
00847 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>= <font class="keyword">false</font>;
00848 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_1">_HasMeshInterfaces</a>= <font class="keyword">false</font>;
00849 }
00850
00851 <font class="comment">// ***************************************************************************</font>
<a name="l00852"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_0">00852</a> <font class="keywordtype">void</font> CMRMBuilder::init(<font class="keyword">const</font> CMRMMesh &baseMesh)
00853 {
00854 sint i, attId;
00855
00856
00857 <font class="comment">// First clear ALL.</font>
00858 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>.clear();
00859 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="mrm__mesh_8h.html#a0">NL3D_MRM_MAX_ATTRIB</a>;attId++)
00860 {
00861 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId].clear();
00862 }
00863 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>.clear();
00864 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.clear();
00865
00866
00867 <font class="comment">// resize.</font>
00868 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>= baseMesh.NumAttributes;
00869 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>.resize(baseMesh.Vertices.size());
00870 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
00871 {
00872 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId].resize(baseMesh.Attributes[attId].size());
00873 }
00874 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>.resize(baseMesh.Faces.size());
00875
00876
00877 <font class="comment">// Then copy.</font>
00878 <font class="keywordflow">for</font>(i=0;i<(sint)baseMesh.Vertices.size();i++)
00879 {
00880 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].Current= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].Original= baseMesh.Vertices[i];
00881 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].BSCurrent.resize(baseMesh.BlendShapes.size());
00882 <font class="keywordflow">for</font>(uint32 j = 0; j <baseMesh.BlendShapes.size() ;++j)
00883 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].BSCurrent[j]= baseMesh.BlendShapes[j].Vertices[i];
00884 <font class="keywordflow">if</font>(_Skinned)
00885 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].CurrentSW= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].OriginalSW= baseMesh.SkinWeights[i];
00886 <font class="keywordflow">if</font>(_HasMeshInterfaces)
00887 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].InterfaceLink= baseMesh.InterfaceLinks[i];
00888 }
00889 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
00890 {
00891 <font class="keywordflow">for</font>(i=0;i<(sint)baseMesh.Attributes[attId].size();i++)
00892 {
00893 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i].Current= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i].Original=
00894 baseMesh.Attributes[attId][i];
00895 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i].BSCurrent.resize(baseMesh.BlendShapes.size());
00896 <font class="keywordflow">for</font>(uint32 j = 0; j <baseMesh.BlendShapes.size() ;++j)
00897 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i].BSCurrent[j]= baseMesh.BlendShapes[j].Attributes[attId][i];
00898 }
00899 }
00900 <font class="keywordflow">for</font>(i=0;i<(sint)baseMesh.Faces.size();i++)
00901 {
00902 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i]= baseMesh.Faces[i];
00903 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i].BSInterpolated.resize(baseMesh.BlendShapes.size());
00904 }
00905
00906
00907 <font class="comment">// Create vertices sharedFaces.</font>
00908 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>.size();i++)
00909 {
00910 CMRMFaceBuild &face= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i];
00911
00912 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[face.Corner[0].Vertex].SharedFaces.push_back(i);
00913 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[face.Corner[1].Vertex].SharedFaces.push_back(i);
00914 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[face.Corner[2].Vertex].SharedFaces.push_back(i);
00915 }
00916
00917
00918 <font class="comment">// Compute EdgeCost.</font>
00919 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>.size();i++)
00920 {
00921 CMRMFaceBuild &f= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i];
00922 <font class="comment">// At start, valid all edges.</font>
00923 f. ValidIt0= <font class="keyword">true</font>;
00924 f. ValidIt1= <font class="keyword">true</font>;
00925 f. ValidIt2= <font class="keyword">true</font>;
00926 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_1">insertFaceIntoEdgeList</a>(f);
00927 }
00928 }
00929 <font class="comment">// ***************************************************************************</font>
<a name="l00930"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_1">00930</a> <font class="keywordtype">void</font> CMRMBuilder::collapseEdges(sint nWantedFaces)
00931 {
00932 <a class="code" href="namespaceNL3D.html#a161">ItEdgeMap</a> EdgeIt;
00933
00934 sint nCurrentFaces=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>.size();
00935 sint bug0=0,bug2=0,bug3=0;
00936
00937 <font class="keywordflow">while</font>(nCurrentFaces>nWantedFaces)
00938 {
00939 bug0++;
00940 EdgeIt= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.begin();
00941
00942 <font class="keywordflow">if</font>(EdgeIt== <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.end())
00943 <font class="keywordflow">break</font>;
00944
00945 <font class="comment">// 0. Look if edge already deleted</font>
00946 <font class="comment">//================================</font>
00947 CMRMEdge edge=(*EdgeIt).second;
00948
00949 <font class="comment">// Is it valid?? (ie his vertices exist yet??).</font>
00950 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[ edge.v0 ].CollapsedTo>=0
00951 || <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[ edge.v1 ].CollapsedTo>=0)
00952 {
00953 <font class="comment">// \todo yoyo: TODO_BUG: potential bug here...</font>
00954 CMRMFaceBuild &f= *(EdgeIt->second.Face);
00955 <a class="code" href="debug_8h.html#a6">nlassert</a>(f.validEdgeIt(EdgeIt->second));
00956 f.invalidEdgeIt(EdgeIt->second, <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>);
00957 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.erase(EdgeIt);
00958 bug2++;
00959 <font class="keywordflow">continue</font>;
00960 }
00961 <font class="comment">// \todo yoyo: TODO_BUG: potential bug here...</font>
00962 <font class="comment">// If a mesh is "open" it will crash if a "hole collapse"...</font>
00963 <font class="keywordflow">if</font>(edge.v0==edge.v1)
00964 {
00965 CMRMFaceBuild &f= *(EdgeIt->second.Face);
00966 <a class="code" href="debug_8h.html#a6">nlassert</a>(f.validEdgeIt(EdgeIt->second));
00967 f.invalidEdgeIt(EdgeIt->second, <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>);
00968 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_4">EdgeCollapses</a>.erase(EdgeIt);
00969 bug3++;
00970 <font class="keywordflow">continue</font>;
00971 }
00972
00973
00974 <font class="comment">// 1. else, OK, collapse it!!</font>
00975 <font class="comment">//===========================</font>
00976 sint vertexCollapsed= edge.v0;
00977 nCurrentFaces-= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_3">collapseEdge</a>(edge);
00978
00979
00980 <font class="comment">// 2. Must reorder all his neighborhood.</font>
00981 <font class="comment">//======================================</font>
00982 CMRMVertex &vert=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[vertexCollapsed];
00983 sint i;
00984 <font class="comment">// we delete from list modified edges, and we re-add them with their new value.</font>
00985 <font class="keywordflow">for</font>(i=0;i<(sint)vert.SharedFaces.size();i++)
00986 {
00987 CMRMFaceBuild &f= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[vert.SharedFaces[i]];
00988 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_2">removeFaceFromEdgeList</a>(f);
00989 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_1">insertFaceIntoEdgeList</a>(f);
00990 }
00991
00992 }
00993 }
00994 <font class="comment">// ***************************************************************************</font>
<a name="l00995"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_3">00995</a> <font class="keywordtype">void</font> CMRMBuilder::saveCoarserMesh(CMRMMesh &coarserMesh)
00996 {
00997 sint i,attId,<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00998 <font class="comment">// First clear ALL.</font>
00999 coarserMesh.Vertices.clear();
01000 coarserMesh.SkinWeights.clear();
01001 coarserMesh.InterfaceLinks.clear();
01002 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="mrm__mesh_8h.html#a0">NL3D_MRM_MAX_ATTRIB</a>;attId++)
01003 {
01004 coarserMesh.Attributes[attId].clear();
01005 }
01006 coarserMesh.Faces.clear();
01007 coarserMesh.NumAttributes= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;
01008
01009 <font class="comment">// Vertices.</font>
01010 <font class="comment">//==========</font>
01011 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>=0;
01012 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>.size();i++)
01013 {
01014 CMRMVertex &vert=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i];
01015 <font class="keywordflow">if</font>(vert.CollapsedTo==-1) <font class="comment">// if exist yet.</font>
01016 {
01017 vert.CoarserIndex=<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
01018 coarserMesh.Vertices.push_back(vert.Current);
01019 <font class="keywordflow">if</font>(_Skinned)
01020 coarserMesh.SkinWeights.push_back(vert.CurrentSW);
01021 <font class="keywordflow">if</font>(_HasMeshInterfaces)
01022 coarserMesh.InterfaceLinks.push_back(vert.InterfaceLink);
01023
01024 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>++;
01025 }
01026 <font class="keywordflow">else</font>
01027 vert.CoarserIndex=-1; <font class="comment">// indicate that this vertex no more exist and is to be geomorphed to an other.</font>
01028 }
01029
01030
01031 <font class="comment">// Attributes.</font>
01032 <font class="comment">//============</font>
01033 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
01034 {
01035 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>=0;
01036 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId].size();i++)
01037 {
01038 CMRMAttribute &wedge= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i];
01039 <font class="keywordflow">if</font>(wedge.CollapsedTo==-1) <font class="comment">// if exist yet.</font>
01040 {
01041 wedge.CoarserIndex=<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
01042 coarserMesh.Attributes[attId].push_back(wedge.Current);
01043 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>++;
01044 }
01045 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(wedge.CollapsedTo==-2) <font class="comment">// else if totaly destroyed.</font>
01046 {
01047 <font class="comment">// Insert this wedge in the coarser mesh.</font>
01048 <font class="comment">// NB: the coarser mesh faces do not use it anymore, but FinerMesh use it</font>
01049 <font class="comment">// for geomorph (LODMesh.CoarserFaces may point to it).</font>
01050 <font class="comment">// NB: look at buildFinalMRM(), it works fine for all cases.</font>
01051 wedge.CoarserIndex=<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
01052 coarserMesh.Attributes[attId].push_back(wedge.Current);
01053 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>++;
01054 }
01055 <font class="keywordflow">else</font>
01056 wedge.CoarserIndex=-1; <font class="comment">// indicate that this wedge no more exist and is to be geomorphed to an other.</font>
01057 }
01058 }
01059
01060 <font class="comment">// Faces.</font>
01061 <font class="comment">//=======</font>
01062 <font class="keywordflow">for</font>(i=0;i<(sint)<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>.size();i++)
01063 {
01064 CMRMFaceBuild &face=<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_3">TmpFaces</a>[i];
01065 <font class="keywordflow">if</font>(!face.Deleted)
01066 {
01067 CMRMFace newFace;
01068 <font class="comment">// Material.</font>
01069 newFace.MaterialId= face.MaterialId;
01070 <font class="keywordflow">for</font>(sint j=0;j<3;j++)
01071 {
01072 <font class="comment">// Vertex.</font>
01073 newFace.Corner[j].Vertex= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[face.Corner[j].Vertex].CoarserIndex;
01074 <a class="code" href="debug_8h.html#a6">nlassert</a>(newFace.Corner[j].Vertex>=0);
01075 <font class="comment">// Attributes.</font>
01076 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
01077 {
01078 sint oldidx= face.Corner[j].Attributes[attId];
01079 newFace.Corner[j].Attributes[attId]= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][oldidx].CoarserIndex;
01080 <a class="code" href="debug_8h.html#a6">nlassert</a>(newFace.Corner[j].Attributes[attId]>=0);
01081 }
01082
01083 }
01084
01085 coarserMesh.Faces.push_back(newFace);
01086 }
01087 }
01088
01089 }
01090
01091
01092 <font class="comment">// ***************************************************************************</font>
<a name="l01093"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_2">01093</a> <font class="keywordtype">void</font> CMRMBuilder::makeLODMesh(CMRMMeshGeom &lodMesh)
01094 {
01095 sint i,j,attId,<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>,coidx;
01096
01097 <font class="comment">// for all faces of this mesh, find target in the coarser mesh.</font>
01098 <font class="keywordflow">for</font>(i=0;i<(sint)lodMesh.CoarserFaces.size();i++)
01099 {
01100 CMRMFace &face= lodMesh.CoarserFaces[i];
01101
01102 <font class="comment">// For 3 corners.</font>
01103 <font class="keywordflow">for</font>(j=0;j<3;j++)
01104 {
01105 <font class="comment">// Vertex.</font>
01106 <font class="comment">// The index is yet the index in the finer mesh.</font>
01107 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>= face.Corner[j].Vertex;
01108 <font class="comment">// the index in the coarser mesh is vert.CoarserIndex.</font>
01109 coidx= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].CoarserIndex;
01110 <font class="comment">// but if this vertex is collapsed, must find the good index (yet in the finer mesh)</font>
01111 <font class="keywordflow">if</font>(coidx==-1)
01112 {
01113 <font class="comment">// find to which we must collapse.</font>
01114 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_4">followVertex</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
01115 <font class="comment">// and so we have the coarser index. this one must be valid.</font>
01116 coidx= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].CoarserIndex;
01117 <a class="code" href="debug_8h.html#a6">nlassert</a>(coidx>=0);
01118 }
01119 <font class="comment">// update corner of CoarserFace.</font>
01120 face.Corner[j].Vertex= coidx;
01121
01122
01123 <font class="comment">// Do exactly same thing for all attributes.</font>
01124 <font class="keywordflow">for</font>(attId=0;attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;attId++)
01125 {
01126 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>= face.Corner[j].Attributes[attId];
01127 coidx= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].CoarserIndex;
01128 <font class="keywordflow">if</font>(coidx==-1)
01129 {
01130 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z626_5">followWedge</a>(attId, <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>);
01131 coidx= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>].CoarserIndex;
01132 <a class="code" href="debug_8h.html#a6">nlassert</a>(coidx>=0);
01133 }
01134 face.Corner[j].Attributes[attId]= coidx;
01135 }
01136 }
01137 }
01138
01139 }
01140
01141 <font class="comment">// ***************************************************************************</font>
01142 <font class="comment">// Transform source blend shapes to source blend shapes modified (just calculate new vertex/attr position)</font>
01143 <font class="comment">/*void CMRMBuilder::computeBsVerticesAttributes(vector<CMRMMesh> &srcBsMeshs, vector<CMRMMesh> &bsMeshsMod)</font>
01144 <font class="comment">{</font>
01145 <font class="comment"> sint i, j, k, attId;</font>
01146 <font class="comment"></font>
01147 <font class="comment"> bsMeshsMod.resize (srcBsMeshs.size());</font>
01148 <font class="comment"> for (k = 0; k < (sint)srcBsMeshs.size(); ++k)</font>
01149 <font class="comment"> {</font>
01150 <font class="comment"> CMRMMesh &rBsMesh = srcBsMeshs[k];</font>
01151 <font class="comment"> CMRMMesh &rBsMeshMod = bsMeshsMod[k];</font>
01152 <font class="comment"></font>
01153 <font class="comment"> // Calculate modified vertices with the linear equation back tracking help</font>
01154 <font class="comment"> rBsMeshMod.Vertices.resize (rBsMesh.Vertices.size());</font>
01155 <font class="comment"> for (i = 0; i < (sint)rBsMesh.Vertices.size(); ++i)</font>
01156 <font class="comment"> {</font>
01157 <font class="comment"> CLinearEquation &LinEq = TmpVertices[i].CurrentLinEq;</font>
01158 <font class="comment"> rBsMeshMod.Vertices[i] = CVector(0.0f, 0.0f, 0.0f);</font>
01159 <font class="comment"> for (j = 0; j < (sint)LinEq.Elts.size(); ++j)</font>
01160 <font class="comment"> {</font>
01161 <font class="comment"> rBsMeshMod.Vertices[i] += LinEq.Elts[j].factor * rBsMesh.Vertices[LinEq.Elts[j].index];</font>
01162 <font class="comment"> }</font>
01163 <font class="comment"> }</font>
01164 <font class="comment"></font>
01165 <font class="comment"> // All attributes</font>
01166 <font class="comment"> rBsMeshMod.NumAttributes = NumAttributes;</font>
01167 <font class="comment"> for (attId = 0; attId < NumAttributes; attId++)</font>
01168 <font class="comment"> {</font>
01169 <font class="comment"> rBsMeshMod.Attributes[attId].resize (rBsMesh.Attributes[attId].size());</font>
01170 <font class="comment"> for (i = 0; i < (sint)rBsMesh.Attributes[attId].size(); ++i)</font>
01171 <font class="comment"> {</font>
01172 <font class="comment"> CLinearEquation &LinEq = TmpAttributes[attId][i].CurrentLinEq;</font>
01173 <font class="comment"> rBsMeshMod.Attributes[attId][i] = CVectorH(0.0f, 0.0f, 0.0f, 0.0f);</font>
01174 <font class="comment"> for (j = 0; j < (sint)LinEq.Elts.size(); ++j)</font>
01175 <font class="comment"> {</font>
01176 <font class="comment"> rBsMeshMod.Attributes[attId][i].x += LinEq.Elts[j].factor * rBsMesh.Attributes[attId][LinEq.Elts[j].index].x;</font>
01177 <font class="comment"> rBsMeshMod.Attributes[attId][i].y += LinEq.Elts[j].factor * rBsMesh.Attributes[attId][LinEq.Elts[j].index].y;</font>
01178 <font class="comment"> rBsMeshMod.Attributes[attId][i].z += LinEq.Elts[j].factor * rBsMesh.Attributes[attId][LinEq.Elts[j].index].z;</font>
01179 <font class="comment"> rBsMeshMod.Attributes[attId][i].w += LinEq.Elts[j].factor * rBsMesh.Attributes[attId][LinEq.Elts[j].index].w;</font>
01180 <font class="comment"> }</font>
01181 <font class="comment"> }</font>
01182 <font class="comment"> }</font>
01183 <font class="comment"> }</font>
01184 <font class="comment">}*/</font>
01185
01186 <font class="comment">// ***************************************************************************</font>
01187 <font class="comment">// Transform source Blend Shape Meshes Modified into coarser blend shape mesh (compact vertices)</font>
<a name="l01188"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#c1">01188</a> <font class="keywordtype">void</font> CMRMBuilder::makeCoarserBS (vector<CMRMBlendShape> &csBsMeshs)
01189 {
01190 uint32 i, k;
01191 sint32 nSizeVert, nSizeAttr, attId;
01192
01193 <font class="comment">// Calculate size of vertices array</font>
01194 nSizeVert = 0;
01195 <font class="keywordflow">for</font> (i = 0; i < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>.size(); ++i)
01196 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].CoarserIndex > nSizeVert)
01197 nSizeVert = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i].CoarserIndex;
01198 ++nSizeVert;
01199
01200 <font class="keywordflow">for</font> (k = 0; k < csBsMeshs.size(); ++k)
01201 {
01202 CMRMBlendShape &rBsCoarserMesh = csBsMeshs[k];
01203
01204 rBsCoarserMesh.Vertices.resize (nSizeVert);
01205 rBsCoarserMesh.NumAttributes = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;
01206
01207 <font class="comment">// Vertices</font>
01208 <font class="keywordflow">for</font>(i = 0; i < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>.size(); ++i)
01209 {
01210 CMRMVertex &vert = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_0">TmpVertices</a>[i];
01211 <font class="keywordflow">if</font> (vert.CoarserIndex != -1)
01212 {
01213 rBsCoarserMesh.Vertices[vert.CoarserIndex] = vert.BSCurrent[k];
01214 }
01215 }
01216
01217 <font class="keywordflow">for</font> (attId = 0; attId < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>; attId++)
01218 {
01219 <font class="comment">// Calculate size of attribute attId array</font>
01220 nSizeAttr = 0;
01221 <font class="keywordflow">for</font>(i = 0; i < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId].size(); i++)
01222 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i].CoarserIndex > nSizeAttr)
01223 nSizeAttr = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i].CoarserIndex;
01224 ++nSizeAttr;
01225
01226 rBsCoarserMesh.Attributes[attId].resize (nSizeAttr);
01227
01228 <font class="keywordflow">for</font> (i = 0; i < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId].size(); i++)
01229 {
01230 CMRMAttribute &wedge = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_1">TmpAttributes</a>[attId][i];
01231 <font class="keywordflow">if</font> (wedge.CoarserIndex != -1)
01232 {
01233 rBsCoarserMesh.Attributes[attId][wedge.CoarserIndex] = wedge.BSCurrent[k];
01234 }
01235 }
01236 }
01237 }
01238 }
01239
01240 <font class="comment">// ***************************************************************************</font>
<a name="l01241"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_4">01241</a> <font class="keywordtype">void</font> CMRMBuilder::makeFromMesh(<font class="keyword">const</font> CMRMMesh &baseMesh, CMRMMeshGeom &lodMesh, CMRMMesh &coarserMesh, sint nWantedFaces)
01242 {
01243 <font class="comment">// Init Tmp values in MRM builder.</font>
01244 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_0">init</a>(baseMesh);
01245
01246 <font class="comment">// compute MRM too next tgt face.</font>
01247 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_1">collapseEdges</a>(nWantedFaces);
01248
01249 <font class="comment">// save the coarser mesh.</font>
01250 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_3">saveCoarserMesh</a>(coarserMesh);
01251 <font class="comment">// Build coarser BlendShapes.</font>
01252 coarserMesh.BlendShapes.resize(baseMesh.BlendShapes.size());
01253 <a class="code" href="classNL3D_1_1CMRMBuilder.html#c1">makeCoarserBS</a>(coarserMesh.BlendShapes);
01254
01255 <font class="comment">// build the lodMesh (baseMesh, with vertex/Attributes collapse infos).</font>
01256 lodMesh= baseMesh;
01257 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_2">makeLODMesh</a>(lodMesh);
01258
01259 <font class="comment">// end for this level.</font>
01260 }
01261
01262
01263
01264 <font class="comment">// ***************************************************************************</font>
01265 <font class="comment">// ***************************************************************************</font>
01266 <font class="comment">// Global MRM Level method.</font>
01267 <font class="comment">// ***************************************************************************</font>
01268 <font class="comment">// ***************************************************************************</font>
01269
01270
01271 <font class="comment">// ***************************************************************************</font>
<a name="l01272"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z630_1">01272</a> <font class="keywordtype">void</font> CMRMBuilder::buildAllLods(<font class="keyword">const</font> CMRMMesh &baseMesh, std::vector<CMRMMeshGeom> &lodMeshs,
01273 uint nWantedLods, uint divisor)
01274 {
01275 sint nFaces= baseMesh.Faces.size();
01276 sint nBaseFaces;
01277 sint i;
01278 CMRMMesh srcMesh = baseMesh;
01279
01280 <font class="comment">// coarsest LOD will have those number of faces.</font>
01281 nBaseFaces=nFaces/divisor;
01282 nBaseFaces=max(nBaseFaces,4);
01283
01284 <font class="comment">// must have at least 2 LOD to be really intersting. But the rest of the process work too with only one Lod!!</font>
01285 <a class="code" href="debug_8h.html#a6">nlassert</a>(nWantedLods>=1);
01286 lodMeshs.resize(nWantedLods);
01287
01288 <font class="comment">// If only one lod asked, must init some Tmp Global values (like NumAttributes)</font>
01289 <font class="keywordflow">if</font>(nWantedLods==1)
01290 {
01291 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_3">_CurrentLodComputed</a>= 0;
01292 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_0">init</a>(baseMesh);
01293 }
01294
01295 <font class="comment">// must fill all LODs, from end to start. do not proces last lod since it will be the coarsest mesh.</font>
01296 <font class="keywordflow">for</font>(i=nWantedLods-1;i>0;i--)
01297 {
01298 sint nbWantedFaces;
01299
01300 <font class="comment">// for sewing computing</font>
01301 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_3">_CurrentLodComputed</a>= i;
01302
01303 <font class="comment">// Linear.</font>
01304 nbWantedFaces= nBaseFaces + (nFaces-nBaseFaces) * (i-1)/(nWantedLods-1);
01305 nbWantedFaces=max(nbWantedFaces,4);
01306
01307 <font class="comment">// Build this LOD.</font>
01308 CMRMMesh csMesh;
01309 <font class="comment">// The mesh</font>
01310 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z627_4">makeFromMesh</a>(srcMesh, lodMeshs[i], csMesh, nbWantedFaces);
01311
01312 <font class="comment">// next mesh to process is csMesh.</font>
01313 srcMesh = csMesh;
01314 }
01315 <font class="comment">// the first lodMedsh gets the coarsest mesh.</font>
01316 lodMeshs[0]= srcMesh;
01317 }
01318
01319
01320 <font class="comment">// ***************************************************************************</font>
<a name="l01321"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z630_2">01321</a> <font class="keywordtype">void</font> CMRMBuilder::buildFinalMRM(std::vector<CMRMMeshGeom> &lodMeshs, CMRMMeshFinal &finalMRM)
01322 {
01323 sint i,j;
01324 sint lodId, attId;
01325 sint nLods= lodMeshs.size();
01326
01327 <font class="comment">// Init.</font>
01328 <font class="comment">// ===============</font>
01329 finalMRM.reset();
01330 finalMRM.NumAttributes= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;
01331 finalMRM.Skinned= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>;
01332 CMRMMeshFinal::CWedge::NumAttributesToCompare= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>;
01333 CMRMMeshFinal::CWedge::CompareSkinning= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>;
01334 finalMRM.Lods.resize(nLods);
01335
01336
01337 <font class="comment">// Build Wedges, and faces index.</font>
01338 <font class="comment">// ===============</font>
01339 <font class="comment">// for all lods.</font>
01340 <font class="keywordflow">for</font>(lodId=0; lodId<nLods; lodId++)
01341 {
01342 CMRMMeshGeom &lodMesh= lodMeshs[lodId];
01343 CMRMMeshGeom &lodMeshPrec= lodMeshs[lodId==0?0:lodId-1];
01344 <font class="comment">// for all face corner.</font>
01345 <font class="keywordflow">for</font>(i=0; i<(sint)lodMesh.Faces.size();i++)
01346 {
01347 <font class="comment">// The current face.</font>
01348 CMRMFace &face= lodMesh.Faces[i];
01349 <font class="comment">// the current face, but which points to the prec LOD vertices/attributes.</font>
01350 CMRMFace &faceCoarser= lodMesh.CoarserFaces[i];
01351 <font class="comment">// for 3 corners.</font>
01352 <font class="keywordflow">for</font>(j=0;j<3;j++)
01353 {
01354 CMRMCorner &corner= face.Corner[j];
01355 CMRMCorner &cornerCoarser= faceCoarser.Corner[j];
01356 <font class="comment">// start and end wedge (geomorph), maybe same.</font>
01357 CMRMMeshFinal::CWedge wedgeStart;
01358 CMRMMeshFinal::CWedge wedgeEnd;
01359
01360 <font class="comment">// fill wedgeStart with values from lodMesh.</font>
01361 wedgeStart.Vertex= lodMesh.Vertices[corner.Vertex];
01362 <font class="keywordflow">if</font>(_Skinned)
01363 wedgeStart.VertexSkin= lodMesh.SkinWeights[corner.Vertex];
01364 <font class="keywordflow">for</font>(attId=0; attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>; attId++)
01365 {
01366 wedgeStart.Attributes[attId]= lodMesh.Attributes[attId][corner.Attributes[attId]];
01367 }
01368
01369 <font class="comment">// if geomorph possible (ie not lod 0).</font>
01370 <font class="keywordflow">if</font>(lodId>0)
01371 {
01372 <font class="comment">// fill wedgeEnd with values from coarser lodMesh.</font>
01373 wedgeEnd.Vertex= lodMeshPrec.Vertices[cornerCoarser.Vertex];
01374 <font class="keywordflow">if</font>(_Skinned)
01375 wedgeEnd.VertexSkin= lodMeshPrec.SkinWeights[cornerCoarser.Vertex];
01376 <font class="keywordflow">for</font>(attId=0; attId<<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>; attId++)
01377 {
01378 wedgeEnd.Attributes[attId]= lodMeshPrec.Attributes[attId][cornerCoarser.Attributes[attId]];
01379 }
01380 }
01381 <font class="keywordflow">else</font>
01382 {
01383 <font class="comment">// no geomorph.</font>
01384 wedgeEnd= wedgeStart;
01385 }
01386
01387 <font class="comment">// find/insert wedge, and get Ids. NB: if start/end same, same indices.</font>
01388 sint wedgeStartId= finalMRM.findInsertWedge(wedgeStart);
01389 sint wedgeEndId= finalMRM.findInsertWedge(wedgeEnd);
01390
01391 <font class="comment">// store in TmpCorner.</font>
01392 corner.WedgeStartId= wedgeStartId;
01393 corner.WedgeEndId= wedgeEndId;
01394 }
01395 }
01396
01397 <font class="comment">// Here, the number of wedge indicate the max number of wedge this LOD needs.</font>
01398 finalMRM.Lods[lodId].NWedges= finalMRM.Wedges.size();
01399 }
01400
01401
01402 <font class="comment">// Count NBWedges necessary for geomorph, and compute Dest geomorph wedges ids.</font>
01403 <font class="comment">// ===============</font>
01404 <font class="comment">// the number of geomorph required for one LOD.</font>
01405 sint sglmGeom;
01406 <font class="comment">// the number of geomorph required for all LOD (max of sglmGeom).</font>
01407 sint sglmGeomMax= 0;
01408
01409 <font class="comment">// Do not process lod 0, since no geomorph.</font>
01410 <font class="keywordflow">for</font>(lodId=1; lodId<nLods; lodId++)
01411 {
01412 CMRMMeshGeom &lodMesh= lodMeshs[lodId];
01413
01414 <font class="comment">// reset the GeomMap, the one which indicate if we have already inserted a geomorph.</font>
01415 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.clear();
01416 sglmGeom= 0;
01417
01418 <font class="comment">// for all face corner.</font>
01419 <font class="keywordflow">for</font>(i=0; i<(sint)lodMesh.Faces.size();i++)
01420 {
01421 <font class="comment">// The current face.</font>
01422 CMRMFace &face= lodMesh.Faces[i];
01423 <font class="comment">// for 3 corners.</font>
01424 <font class="keywordflow">for</font>(j=0;j<3;j++)
01425 {
01426 CMRMCorner &corner= face.Corner[j];
01427
01428 <font class="comment">// if not same wedge Ids, this is a geomorphed wedge.</font>
01429 <font class="keywordflow">if</font>(corner.WedgeStartId != corner.WedgeEndId)
01430 {
01431 <font class="comment">// search if it exist yet in the set.</font>
01432 CMRMWedgeGeom geom;
01433 geom.Start= corner.WedgeStartId;
01434 geom.End= corner.WedgeEndId;
01435 sint geomDest= sglmGeom;
01436 <font class="comment">// if don't find this geom in the set, then it is a new one.</font>
01437 TGeomMap::const_iterator it= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.find(geom);
01438 <font class="keywordflow">if</font>(it == <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.end())
01439 {
01440 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.insert( make_pair(geom, geomDest) );
01441 sglmGeom++;
01442 }
01443 <font class="keywordflow">else</font>
01444 geomDest= it->second;
01445
01446 <font class="comment">// store this Geom Id in the corner.</font>
01447 corner.WedgeGeomId= geomDest;
01448 }
01449 }
01450 }
01451
01452 <font class="comment">// take the max.</font>
01453 sglmGeomMax= max(sglmGeomMax, sglmGeom);
01454 }
01455
01456
01457 <font class="comment">// inform the finalMRM.</font>
01458 finalMRM.NGeomSpace= sglmGeomMax;
01459
01460
01461 <font class="comment">// decal all wedges/ face index.</font>
01462 <font class="comment">// ===============</font>
01463 <font class="comment">// insert an empty space for dest geomorph.</font>
01464 finalMRM.Wedges.insert(finalMRM.Wedges.begin(), sglmGeomMax, CMRMMeshFinal::CWedge());
01465
01466 <font class="comment">// Parse all faces corner of All lods, and decal Start/End Wedge index.</font>
01467 <font class="keywordflow">for</font>(lodId=0; lodId<nLods; lodId++)
01468 {
01469 CMRMMeshGeom &lodMesh= lodMeshs[lodId];
01470
01471 <font class="comment">// for all face corner.</font>
01472 <font class="keywordflow">for</font>(i=0; i<(sint)lodMesh.Faces.size();i++)
01473 {
01474 <font class="comment">// The current face.</font>
01475 CMRMFace &face= lodMesh.Faces[i];
01476 <font class="comment">// for 3 corners.</font>
01477 <font class="keywordflow">for</font>(j=0;j<3;j++)
01478 {
01479 CMRMCorner &corner= face.Corner[j];
01480
01481 <font class="comment">// decal indices.</font>
01482 corner.WedgeStartId+= sglmGeomMax;
01483 corner.WedgeEndId+= sglmGeomMax;
01484 }
01485 }
01486
01487 <font class="comment">// increment too the number of wedge required for this Lod.</font>
01488 finalMRM.Lods[lodId].NWedges+= sglmGeomMax;
01489 }
01490
01491
01492 <font class="comment">// fill faces.</font>
01493 <font class="comment">// ===============</font>
01494 <font class="comment">// Parse all faces corner of All lods, and build Faces/Geomorphs..</font>
01495 <font class="keywordflow">for</font>(lodId=0; lodId<nLods; lodId++)
01496 {
01497 CMRMMeshGeom &lodMesh= lodMeshs[lodId];
01498 CMRMMeshFinal::CLod &lodDest= finalMRM.Lods[lodId];
01499
01500 <font class="comment">// alloc final faces of this LOD.</font>
01501 lodDest.Faces.resize(lodMesh.Faces.size());
01502
01503 <font class="comment">// reset the GeomMap, the one which indicate if we have already inserted a geomorph.</font>
01504 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.clear();
01505
01506 <font class="comment">// for all face corner.</font>
01507 <font class="keywordflow">for</font>(i=0; i<(sint)lodMesh.Faces.size();i++)
01508 {
01509 <font class="comment">// The current face.</font>
01510 CMRMFace &face= lodMesh.Faces[i];
01511 <font class="comment">// The dest face.</font>
01512 CMRMMeshFinal::CFace &faceDest= lodDest.Faces[i];
01513 <font class="comment">// fill good material.</font>
01514 faceDest.MaterialId= face.MaterialId;
01515
01516 <font class="comment">// for 3 corners.</font>
01517 <font class="keywordflow">for</font>(j=0;j<3;j++)
01518 {
01519 CMRMCorner &corner= face.Corner[j];
01520
01521 <font class="comment">// if not same wedge Ids, this is a geomorphed wedge.</font>
01522 <font class="keywordflow">if</font>(corner.WedgeStartId != corner.WedgeEndId)
01523 {
01524 <font class="comment">// geomorph, so point to geomorphed wedge.</font>
01525 faceDest.WedgeId[j]= corner.WedgeGeomId;
01526
01527 <font class="comment">// Build the geomorph, add it to the list (if not yet inserted).</font>
01528 CMRMWedgeGeom geom;
01529 geom.Start= corner.WedgeStartId;
01530 geom.End= corner.WedgeEndId;
01531 <font class="comment">// if don't find this geom in the set, then it is a new one.</font>
01532 TGeomMap::const_iterator it= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.find(geom);
01533 <font class="keywordflow">if</font>(it == <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.end())
01534 {
01535 <font class="comment">// mark it as inserted.</font>
01536 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z629_1">_GeomMap</a>.insert( make_pair(geom, corner.WedgeGeomId) );
01537 <font class="comment">// and we must insert this geom in the array.</font>
01538 <a class="code" href="debug_8h.html#a6">nlassert</a>( corner.WedgeGeomId==(sint)lodDest.Geomorphs.size() );
01539 lodDest.Geomorphs.push_back(geom);
01540 }
01541 }
01542 <font class="keywordflow">else</font>
01543 {
01544 <font class="comment">// no geomorph, so just point to good wedge.</font>
01545 faceDest.WedgeId[j]= corner.WedgeStartId;
01546 }
01547 }
01548 }
01549 }
01550
01551
01552 <font class="comment">// process all wedges, and compute NSkinMatUsed, skipping geomorphs.</font>
01553 <font class="comment">// ===============</font>
01554 <font class="comment">// NB: this works because weights are sorted from biggest to lowest.</font>
01555 <font class="keywordflow">if</font>(_Skinned)
01556 {
01557 <font class="keywordflow">for</font>(i=finalMRM.NGeomSpace; i<(sint)finalMRM.Wedges.size();i++)
01558 {
01559 CMRMMeshFinal::CWedge &wedge= finalMRM.Wedges[i];
01560 <font class="keywordflow">for</font>(j=0; j<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; j++)
01561 {
01562 <font class="keywordflow">if</font>(wedge.VertexSkin.Weights[j]==0)
01563 <font class="keywordflow">break</font>;
01564 }
01565 <a class="code" href="debug_8h.html#a6">nlassert</a>(j>0);
01566 wedge.NSkinMatUsed= j;
01567 }
01568 }
01569
01570 <font class="comment">// Blend Shape Stuff</font>
01571 finalMRM.MRMBlendShapesFinals.resize (lodMeshs[0].BlendShapes.size());
01572 <font class="keywordflow">for</font> (lodId = 0; lodId < nLods; ++lodId)
01573 {
01574 CMRMMeshGeom &lodMesh= lodMeshs[lodId];
01575 CMRMMeshGeom &lodMeshPrec= lodMeshs[lodId==0?0:lodId-1];
01576
01577 <font class="comment">// for all face corner.</font>
01578 <font class="keywordflow">for</font> (i = 0; i < (sint)lodMesh.Faces.size(); ++i)
01579 {
01580 <font class="comment">// The current face.</font>
01581 CMRMFace &face = lodMesh.Faces[i];
01582 <font class="comment">// the current face, but which points to the prec LOD vertices/attributes.</font>
01583 CMRMFace &faceCoarser = lodMesh.CoarserFaces[i];
01584 <font class="comment">// for 3 corners.</font>
01585 <font class="keywordflow">for</font> (j = 0; j < 3; ++j)
01586 {
01587 CMRMCorner &corner = face.Corner[j];
01588 CMRMCorner &cornerCoarser = faceCoarser.Corner[j];
01589
01590 sint startDestIndex = corner.WedgeStartId;
01591
01592 <font class="keywordflow">for</font> (sint k = 0; k < (sint)finalMRM.MRMBlendShapesFinals.size(); ++k)
01593 {
01594 CMRMMeshFinal::CMRMBlendShapeFinal &rBSFinal = finalMRM.MRMBlendShapesFinals[k];
01595
01596 rBSFinal.Wedges.resize (finalMRM.Wedges.size());
01597 <font class="comment">// Fill WedgeStart used by this corner.</font>
01598 rBSFinal.Wedges[startDestIndex].Vertex = lodMesh.BlendShapes[k].Vertices[corner.Vertex];
01599 <font class="keywordflow">for</font> (attId = 0; attId < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>; ++attId)
01600 {
01601 rBSFinal.Wedges[startDestIndex].Attributes[attId] = lodMesh.BlendShapes[k].Attributes[attId][corner.Attributes[attId]];
01602 }
01603
01604 <font class="comment">// If geomorph, must fill the end too</font>
01605 <font class="keywordflow">if</font>(lodId>0 && corner.WedgeStartId != corner.WedgeEndId)
01606 {
01607 sint endDestIndex = corner.WedgeEndId;
01608
01609 rBSFinal.Wedges[endDestIndex].Vertex = lodMeshPrec.BlendShapes[k].Vertices[cornerCoarser.Vertex];
01610 <font class="keywordflow">for</font> (attId = 0; attId < <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_2">NumAttributes</a>; ++attId)
01611 {
01612 rBSFinal.Wedges[endDestIndex].Attributes[attId] = lodMeshPrec.BlendShapes[k].Attributes[attId][cornerCoarser.Attributes[attId]];
01613 }
01614 }
01615 }
01616
01617 }
01618 }
01619 }
01620 }
01621
01622
01623
01624 <font class="comment">// ***************************************************************************</font>
01625 <font class="comment">// ***************************************************************************</font>
01626 <font class="comment">// Interface to MeshBuild Part.</font>
01627 <font class="comment">// ***************************************************************************</font>
01628 <font class="comment">// ***************************************************************************</font>
01629
01630
01631
01632 <font class="comment">// ***************************************************************************</font>
<a name="l01633"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_1">01633</a> sint CMRMBuilder::findInsertAttributeInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, <font class="keyword">const</font> CVectorH &att)
01634 {
01635 <font class="comment">// find this attribute in the map.</font>
01636 CAttributeKey key;
01637 key.VertexId= vertexId;
01638 key.Attribute= att;
01639 TAttributeMap::iterator it= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_11">_AttributeMap</a>[attId].find(key);
01640
01641 <font class="comment">// if attribute not found in the map, then insert a new one.</font>
01642 <font class="keywordflow">if</font>(it==<a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_11">_AttributeMap</a>[attId].end())
01643 {
01644 sint idx= baseMesh.Attributes[attId].size();
01645 <font class="comment">// insert into the array.</font>
01646 baseMesh.Attributes[attId].push_back(att);
01647 <font class="comment">// insert into the map.</font>
01648 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_11">_AttributeMap</a>[attId].insert(make_pair(key, idx));
01649 <font class="keywordflow">return</font> idx;
01650 }
01651 <font class="keywordflow">else</font>
01652 {
01653 <font class="comment">// return the one found.</font>
01654 <font class="keywordflow">return</font> it->second;
01655 }
01656 }
01657
01658
01659 <font class="comment">// ***************************************************************************</font>
<a name="l01660"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_2">01660</a> sint CMRMBuilder::findInsertNormalInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, <font class="keyword">const</font> CVector &normal)
01661 {
01662 CVectorH att;
01663 att= normal;
01664 att.w= 0;
01665 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_1">findInsertAttributeInBaseMesh</a>(baseMesh, attId, vertexId, att);
01666 }
01667
01668
01669 <font class="comment">// ***************************************************************************</font>
<a name="l01670"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_3">01670</a> sint CMRMBuilder::findInsertColorInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, CRGBA col)
01671 {
01672 CVectorH att;
01673 att.x= col.R;
01674 att.y= col.G;
01675 att.z= col.B;
01676 att.w= col.A;
01677 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_1">findInsertAttributeInBaseMesh</a>(baseMesh, attId, vertexId, att);
01678 }
01679
01680
01681 <font class="comment">// ***************************************************************************</font>
<a name="l01682"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_4">01682</a> sint CMRMBuilder::findInsertUvwInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CUVW.html">NLMISC::CUVW</a> &uvw)
01683 {
01684 CVectorH att;
01685 att.x= uvw.<a class="code" href="classNLMISC_1_1CUVW.html#m0">U</a>;
01686 att.y= uvw.<a class="code" href="classNLMISC_1_1CUVW.html#m1">V</a>;
01687 att.z= uvw.<a class="code" href="classNLMISC_1_1CUVW.html#m2">W</a>;
01688 att.w= 0;
01689 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_1">findInsertAttributeInBaseMesh</a>(baseMesh, attId, vertexId, att);
01690 }
01691
01692
01693 <font class="comment">// ***************************************************************************</font>
<a name="l01694"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_5">01694</a> CRGBA CMRMBuilder::attToColor(<font class="keyword">const</font> CVectorH &att)<font class="keyword"> const</font>
01695 <font class="keyword"></font>{
01696 CRGBA ret;
01697 <font class="keywordtype">float</font> tmp;
01698 tmp= att.x; <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmp, 0, 255);
01699 ret.R= (uint8)(uint)tmp;
01700 tmp= att.y; <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmp, 0, 255);
01701 ret.G= (uint8)(uint)tmp;
01702 tmp= att.z; <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmp, 0, 255);
01703 ret.B= (uint8)(uint)tmp;
01704 tmp= att.w; <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(tmp, 0, 255);
01705 ret.A= (uint8)(uint)tmp;
01706
01707 <font class="keywordflow">return</font> ret;
01708 }
01709
01710
01711 <font class="comment">// ***************************************************************************</font>
<a name="l01712"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_6">01712</a> <a class="code" href="classNLMISC_1_1CUVW.html">NLMISC::CUVW</a> CMRMBuilder::attToUvw(<font class="keyword">const</font> CVectorH &att)<font class="keyword"> const</font>
01713 <font class="keyword"></font>{
01714 <font class="keywordflow">return</font> CUVW(att.x, att.y, att.z);
01715 }
01716
01717
01718 <font class="comment">// ***************************************************************************</font>
<a name="l01719"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_7">01719</a> uint32 CMRMBuilder::buildMrmBaseMesh(<font class="keyword">const</font> CMesh::CMeshBuild &mbuild, CMRMMesh &baseMesh)
01720 {
01721 sint i,j,k;
01722 sint nFaces;
01723 sint attId;
01724 <font class="comment">// build the supported VertexFormat.</font>
01725 uint32 retVbFlags= CVertexBuffer::PositionFlag;
01726
01727
01728 <font class="comment">// reset the baseMesh.</font>
01729 baseMesh= CMRMMesh();
01730 <font class="comment">// reset Tmp.</font>
01731 <font class="keywordflow">for</font>(attId=0; attId<<a class="code" href="mrm__mesh_8h.html#a0">NL3D_MRM_MAX_ATTRIB</a>;attId++)
01732 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_11">_AttributeMap</a>[attId].clear();
01733
01734
01735 <font class="comment">// Compute number of attributes used by the MeshBuild.</font>
01736 <font class="comment">// ========================</font>
01737 <font class="comment">// Compute too </font>
01738 <font class="keywordflow">if</font>(mbuild.VertexFlags & CVertexBuffer::NormalFlag)
01739 {
01740 baseMesh.NumAttributes++;
01741 retVbFlags|= CVertexBuffer::NormalFlag;
01742 }
01743 <font class="keywordflow">if</font>(mbuild.VertexFlags & CVertexBuffer::PrimaryColorFlag)
01744 {
01745 baseMesh.NumAttributes++;
01746 retVbFlags|= CVertexBuffer::PrimaryColorFlag;
01747 }
01748 <font class="keywordflow">if</font>(mbuild.VertexFlags & CVertexBuffer::SecondaryColorFlag)
01749 {
01750 baseMesh.NumAttributes++;
01751 retVbFlags|= CVertexBuffer::SecondaryColorFlag;
01752 }
01753 <font class="keywordflow">for</font>(k=0; k<CVertexBuffer::MaxStage;k++)
01754 {
01755 uint flag=CVertexBuffer::TexCoord0Flag<<k;
01756 <font class="keywordflow">if</font>(mbuild.VertexFlags & flag)
01757 {
01758 baseMesh.NumAttributes++;
01759 retVbFlags|=flag;
01760 }
01761 }
01762 <a class="code" href="debug_8h.html#a6">nlassert</a>(baseMesh.NumAttributes<=<a class="code" href="mrm__mesh_8h.html#a0">NL3D_MRM_MAX_ATTRIB</a>);
01763
01764
01765 <font class="comment">// Fill basics: Vertices and Faces materials / index to vertices.</font>
01766 <font class="comment">// ========================</font>
01767 <font class="comment">// Just copy vertices.</font>
01768 baseMesh.Vertices= mbuild.Vertices;
01769 <font class="comment">// Just copy SkinWeights.</font>
01770 <font class="keywordflow">if</font>(_Skinned)
01771 baseMesh.SkinWeights= mbuild.SkinWeights;
01772 <font class="comment">// Just copy InterfaceLinks</font>
01773 <font class="keywordflow">if</font>(_HasMeshInterfaces)
01774 baseMesh.InterfaceLinks= mbuild.InterfaceLinks;
01775 <font class="comment">// Resize faces.</font>
01776 nFaces= mbuild.Faces.size();
01777 baseMesh.Faces.resize(nFaces);
01778 <font class="keywordflow">for</font>(i=0; i<nFaces; i++)
01779 {
01780 <font class="comment">// copy material Id.</font>
01781 baseMesh.Faces[i].MaterialId= mbuild.Faces[i].MaterialId;
01782 <font class="comment">// Copy Vertex index.</font>
01783 <font class="keywordflow">for</font>(j=0; j<3; j++)
01784 {
01785 baseMesh.Faces[i].Corner[j].Vertex= mbuild.Faces[i].Corner[j].Vertex;
01786 }
01787 }
01788
01789 <font class="comment">// Resolve attributes discontinuities and Fill attributes of the baseMesh.</font>
01790 <font class="comment">// ========================</font>
01791 <font class="comment">// For all corners.</font>
01792 <font class="keywordflow">for</font>(i=0; i<nFaces; i++)
01793 {
01794 <font class="keywordflow">for</font>(j=0; j<3; j++)
01795 {
01796 <font class="keyword">const</font> CMesh::CCorner &srcCorner= mbuild.Faces[i].Corner[j];
01797 CMRMCorner &destCorner= baseMesh.Faces[i].Corner[j];
01798 attId= 0;
01799
01800 <font class="comment">// For all activated attributes in mbuild, find/insert the attribute in the baseMesh.</font>
01801 <font class="comment">// NB: 2 attributes are said to be different if they have not the same value OR if they don't lie </font>
01802 <font class="comment">// on the same vertex. This is very important for MRM computing.</font>
01803 <font class="keywordflow">if</font>(mbuild.VertexFlags & CVertexBuffer::NormalFlag)
01804 {
01805 destCorner.Attributes[attId]= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_2">findInsertNormalInBaseMesh</a>(baseMesh, attId, destCorner.Vertex, srcCorner.Normal);
01806 attId++;
01807 }
01808 <font class="keywordflow">if</font>(mbuild.VertexFlags & CVertexBuffer::PrimaryColorFlag)
01809 {
01810 destCorner.Attributes[attId]= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_3">findInsertColorInBaseMesh</a>(baseMesh, attId, destCorner.Vertex, srcCorner.Color);
01811 attId++;
01812 }
01813 <font class="keywordflow">if</font>(mbuild.VertexFlags & CVertexBuffer::SecondaryColorFlag)
01814 {
01815 destCorner.Attributes[attId]= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_3">findInsertColorInBaseMesh</a>(baseMesh, attId, destCorner.Vertex, srcCorner.Specular);
01816 attId++;
01817 }
01818 <font class="keywordflow">for</font>(k=0; k<CVertexBuffer::MaxStage;k++)
01819 {
01820 <font class="keywordflow">if</font>(mbuild.VertexFlags & (CVertexBuffer::TexCoord0Flag<<k))
01821 {
01822 destCorner.Attributes[attId]= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_4">findInsertUvwInBaseMesh</a>(baseMesh, attId, destCorner.Vertex, srcCorner.Uvws[k]);
01823 attId++;
01824 }
01825 }
01826 }
01827 }
01828
01829
01830
01831 <font class="comment">// End. clear Tmp infos.</font>
01832 <font class="comment">// ========================</font>
01833 <font class="comment">// reset Tmp.</font>
01834 <font class="keywordflow">for</font>(attId=0; attId<<a class="code" href="mrm__mesh_8h.html#a0">NL3D_MRM_MAX_ATTRIB</a>;attId++)
01835 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_11">_AttributeMap</a>[attId].clear();
01836
01837 <font class="keywordflow">return</font> retVbFlags;
01838 }
01839
01840
01841
01842 <font class="comment">// ***************************************************************************</font>
<a name="l01843"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_10">01843</a> CMesh::CSkinWeight CMRMBuilder::normalizeSkinWeight(<font class="keyword">const</font> CMesh::CSkinWeight &sw)<font class="keyword"> const</font>
01844 <font class="keyword"></font>{
01845 uint nbMats= 0;
01846 <font class="keyword">static</font> vector<CTmpVertexWeight> sws;
01847 sws.reserve(<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>);
01848 sws.clear();
01849
01850 <font class="comment">// For all weights of sw1.</font>
01851 uint i;
01852 <font class="keywordflow">for</font>(i=0; i<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; i++)
01853 {
01854 CTmpVertexWeight vw;
01855 vw.MatrixId= sw.MatrixId[i];
01856 vw.Weight= sw.Weights[i];
01857 <font class="comment">// if this weight is not null.</font>
01858 <font class="keywordflow">if</font>(vw.Weight>0)
01859 {
01860 <font class="comment">// add it to the list.</font>
01861 sws.push_back(vw);
01862 nbMats++;
01863 }
01864 }
01865
01866 <font class="comment">// sort by Weight decreasing order.</font>
01867 sort(sws.begin(), sws.end());
01868
01869
01870 <font class="comment">// Then output the result to the skinWeight, normalizing.</font>
01871 <font class="keywordtype">float</font> sumWeight=0;
01872 <font class="keywordflow">for</font>(i= 0; i<nbMats; i++)
01873 {
01874 sumWeight+= sws[i].Weight;
01875 }
01876
01877 CMesh::CSkinWeight ret;
01878 <font class="comment">// Fill only needed matrix (other are rested in CMesh::CSkinWeight ctor).</font>
01879 <font class="keywordflow">for</font>(i= 0; i<nbMats; i++)
01880 {
01881 ret.MatrixId[i]= sws[i].MatrixId;
01882 ret.Weights[i]= sws[i].Weight / sumWeight;
01883 }
01884
01885 <font class="keywordflow">return</font> ret;
01886 }
01887
01888
01889 <font class="comment">// ***************************************************************************</font>
<a name="l01890"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_9">01890</a> <font class="keywordtype">void</font> CMRMBuilder::normalizeBaseMeshSkin(CMRMMesh &baseMesh)<font class="keyword"> const</font>
01891 <font class="keyword"></font>{
01892 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>);
01893
01894 <font class="keywordflow">for</font>(uint i=0; i<baseMesh.SkinWeights.size(); i++)
01895 {
01896 baseMesh.SkinWeights[i]= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_10">normalizeSkinWeight</a>(baseMesh.SkinWeights[i]);
01897 }
01898 }
01899
01900
01901
01902 <font class="comment">// ***************************************************************************</font>
<a name="l01903"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_8">01903</a> <font class="keywordtype">void</font> CMRMBuilder::buildMeshBuildMrm(<font class="keyword">const</font> CMRMMeshFinal &finalMRM, CMeshMRMGeom::CMeshBuildMRM &mbuild, uint32 vbFlags, uint32 nbMats, <font class="keyword">const</font> CMesh::CMeshBuild &mb)
01904 {
01905 sint i,j,k;
01906 sint attId;
01907
01908 <font class="comment">// reset the mbuild.</font>
01909 mbuild= CMeshMRMGeom::CMeshBuildMRM();
01910 <font class="comment">// Setup VB.</font>
01911
01912 <font class="keywordtype">bool</font> useFormatExt = <font class="keyword">false</font>;
01913 <font class="comment">// Check wether there are texture coordinates with more than 2 compnents, which force us to use an extended vertex format</font>
01914 <font class="keywordflow">for</font> (k = 0; k < CVertexBuffer::MaxStage; ++k)
01915 {
01916 <font class="keywordflow">if</font> (
01917 (vbFlags & (CVertexBuffer::TexCoord0Flag << k))
01918 && mb.NumCoords[k] != 2)
01919 {
01920 useFormatExt = <font class="keyword">true</font>;
01921 <font class="keywordflow">break</font>;
01922 }
01923 }
01924
01925 uint numTexCoordUsed = 0;
01926
01927
01928 <font class="keywordflow">for</font> (k = 0; k < CVertexBuffer::MaxStage; ++k)
01929 {
01930 <font class="keywordflow">if</font> (vbFlags & (CVertexBuffer::TexCoord0Flag << k))
01931 {
01932 numTexCoordUsed = k;
01933 }
01934 }
01935
01936 <font class="keywordflow">if</font> (!useFormatExt)
01937 {
01938 <font class="comment">// setup standard format</font>
01939 mbuild.VBuffer.setVertexFormat(vbFlags);
01940 }
01941 <font class="keywordflow">else</font> <font class="comment">// setup extended format</font>
01942 {
01943 mbuild.VBuffer.clearValueEx();
01944 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::PositionFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::Position, CVertexBuffer::Float3);
01945 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::NormalFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::Normal, CVertexBuffer::Float3);
01946 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::PrimaryColorFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::PrimaryColor, CVertexBuffer::UChar4);
01947 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::SecondaryColorFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::SecondaryColor, CVertexBuffer::UChar4);
01948 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::WeightFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::Weight, CVertexBuffer::Float4);
01949 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::PaletteSkinFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::PaletteSkin, CVertexBuffer::UChar4);
01950 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::FogFlag) mbuild.VBuffer.addValueEx(CVertexBuffer::Fog, CVertexBuffer::Float1);
01951
01952 <font class="keywordflow">for</font> (k = 0; k < CVertexBuffer::MaxStage; ++k)
01953 {
01954 <font class="keywordflow">if</font> (vbFlags & (CVertexBuffer::TexCoord0Flag << k))
01955 {
01956 <font class="keywordflow">switch</font>(mb.NumCoords[k])
01957 {
01958 <font class="keywordflow">case</font> 2:
01959 mbuild.VBuffer.addValueEx((CVertexBuffer::TValue) (CVertexBuffer::TexCoord0 + k), CVertexBuffer::Float2);
01960 <font class="keywordflow">break</font>;
01961 <font class="keywordflow">case</font> 3:
01962 mbuild.VBuffer.addValueEx((CVertexBuffer::TValue) (CVertexBuffer::TexCoord0 + k), CVertexBuffer::Float3);
01963 <font class="keywordflow">break</font>;
01964 <font class="keywordflow">default</font>:
01965 <a class="code" href="debug_8h.html#a6">nlassert</a>(0);
01966 <font class="keywordflow">break</font>;
01967 }
01968 }
01969 }
01970 mbuild.VBuffer.initEx();
01971 }
01972
01973
01974
01975
01976 <font class="comment">// Setup the VertexBuffer.</font>
01977 <font class="comment">// ========================</font>
01978 <font class="comment">// resize the VB.</font>
01979 mbuild.VBuffer.setNumVertices(finalMRM.Wedges.size());
01980 <font class="comment">// Setup SkinWeights.</font>
01981 <font class="keywordflow">if</font>(_Skinned)
01982 mbuild.SkinWeights.resize(finalMRM.Wedges.size());
01983
01984 <font class="comment">// fill the VB.</font>
01985 <font class="keywordflow">for</font>(i=0; i<(sint)finalMRM.Wedges.size(); i++)
01986 {
01987 <font class="keyword">const</font> CMRMMeshFinal::CWedge &wedge= finalMRM.Wedges[i];
01988
01989 <font class="comment">// setup Vertex.</font>
01990 mbuild.VBuffer.setVertexCoord(i, wedge.Vertex);
01991
01992 <font class="comment">// seutp attributes.</font>
01993 attId= 0;
01994
01995 <font class="comment">// For all activated attributes in mbuild, retriev the attribute from the finalMRM.</font>
01996 <font class="keywordflow">if</font>(vbFlags & CVertexBuffer::NormalFlag)
01997 {
01998 mbuild.VBuffer.setNormalCoord(i, wedge.Attributes[attId] );
01999 attId++;
02000 }
02001 <font class="keywordflow">if</font>(vbFlags & CVertexBuffer::PrimaryColorFlag)
02002 {
02003 mbuild.VBuffer.setColor(i, <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_5">attToColor</a>(wedge.Attributes[attId]) );
02004 attId++;
02005 }
02006 <font class="keywordflow">if</font>(vbFlags & CVertexBuffer::SecondaryColorFlag)
02007 {
02008 mbuild.VBuffer.setSpecular(i, <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_5">attToColor</a>(wedge.Attributes[attId]) );
02009 attId++;
02010 }
02011 <font class="keywordflow">for</font>(k=0; k<CVertexBuffer::MaxStage;k++)
02012 {
02013 <font class="keywordflow">if</font>(vbFlags & (CVertexBuffer::TexCoord0Flag<<k))
02014 {
02015 <font class="keywordflow">switch</font>(mb.NumCoords[k])
02016 {
02017 <font class="keywordflow">case</font> 2:
02018 mbuild.VBuffer.setTexCoord(i, k, (CUV) <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_6">attToUvw</a>(wedge.Attributes[attId]) );
02019 <font class="keywordflow">break</font>;
02020 <font class="keywordflow">case</font> 3:
02021 {
02022 CUVW uvw = <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_6">attToUvw</a>(wedge.Attributes[attId]);
02023 mbuild.VBuffer.setValueFloat3Ex((CVertexBuffer::TValue) (CVertexBuffer::TexCoord0 + k), i, uvw.U, uvw.V, uvw.W);
02024 }
02025 <font class="keywordflow">break</font>;
02026 <font class="keywordflow">default</font>:
02027 <a class="code" href="debug_8h.html#a6">nlassert</a>(0);
02028 <font class="keywordflow">break</font>;
02029 }
02030 attId++;
02031 }
02032 }
02033
02034 <font class="comment">// Setup SkinWeights.</font>
02035 <font class="keywordflow">if</font>(_Skinned)
02036 {
02037 mbuild.SkinWeights[i]= wedge.VertexSkin;
02038 }
02039 }
02040
02041
02042 <font class="comment">// Build Lods.</font>
02043 <font class="comment">// ========================</font>
02044 <font class="comment">// resize</font>
02045 mbuild.Lods.resize(finalMRM.Lods.size());
02046 <font class="comment">// fill.</font>
02047 <font class="keywordflow">for</font>(i=0; i<(sint)finalMRM.Lods.size(); i++)
02048 {
02049 <font class="keyword">const</font> CMRMMeshFinal::CLod &srcLod= finalMRM.Lods[i];
02050 CMeshMRMGeom::CLod &destLod= mbuild.Lods[i];
02051
02052 <font class="comment">// Basic.</font>
02053 <font class="comment">//---------</font>
02054
02055 <font class="comment">// Copy NWedges infos.</font>
02056 destLod.NWedges= srcLod.NWedges;
02057 <font class="comment">// Copy Geomorphs infos.</font>
02058 destLod.Geomorphs= srcLod.Geomorphs;
02059
02060
02061 <font class="comment">// Reorder faces by rdrpass.</font>
02062 <font class="comment">//---------</font>
02063
02064 <font class="comment">// First count the number of faces used by this LOD for each material </font>
02065 vector<sint> matCount;
02066 <font class="comment">// resize, and reset to 0.</font>
02067 matCount.clear();
02068 matCount.resize(nbMats, 0);
02069 <font class="comment">// For each face of this Lods, incr the mat face counter.</font>
02070 <font class="keywordflow">for</font>(j= 0; j<(sint)srcLod.Faces.size(); j++)
02071 {
02072 sint matId= srcLod.Faces[j].MaterialId;
02073 <a class="code" href="debug_8h.html#a6">nlassert</a>(matId>=0);
02074 <a class="code" href="debug_8h.html#a6">nlassert</a>(matId<(sint)nbMats);
02075 <font class="comment">// increment the refcount of this material by this LOD.</font>
02076 matCount[matId]++;
02077 }
02078
02079 <font class="comment">// Then for each material not empty, create a rdrPass, and ref it for this material.</font>
02080 vector<sint> rdrPassIndex; <font class="comment">// material to rdrPass map.</font>
02081 rdrPassIndex.resize(nbMats);
02082 <font class="keywordflow">for</font>(j=0; j<(sint)nbMats; j++)
02083 {
02084 <font class="keywordflow">if</font>(matCount[j]==0)
02085 rdrPassIndex[j]= -1;
02086 <font class="keywordflow">else</font>
02087 {
02088 <font class="comment">// map material to rdrPass.</font>
02089 sint idRdrPass= destLod.RdrPass.size();
02090 rdrPassIndex[j]= idRdrPass;
02091 <font class="comment">// create a rdrPass.</font>
02092 destLod.RdrPass.push_back(CMeshMRMGeom::CRdrPass());
02093 <font class="comment">// assign the good materialId to this rdrPass.</font>
02094 destLod.RdrPass[idRdrPass].MaterialId= j;
02095 <font class="comment">// reserve the array of faces of this rdrPass.</font>
02096 destLod.RdrPass[idRdrPass].PBlock.reserveTri(matCount[j]);
02097 }
02098 }
02099
02100 <font class="comment">// Then for each face, add it to the good rdrPass of this Lod.</font>
02101 <font class="keywordflow">for</font>(j= 0; j<(sint)srcLod.Faces.size(); j++)
02102 {
02103 sint matId= srcLod.Faces[j].MaterialId;
02104 sint idRdrPass= rdrPassIndex[matId];
02105 <font class="comment">// add this face to the good rdrPass.</font>
02106 sint w0= srcLod.Faces[j].WedgeId[0];
02107 sint w1= srcLod.Faces[j].WedgeId[1];
02108 sint w2= srcLod.Faces[j].WedgeId[2];
02109 destLod.RdrPass[idRdrPass].PBlock.addTri(w0, w1, w2);
02110 }
02111
02112
02113 <font class="comment">// Build skin info for this Lod.</font>
02114 <font class="comment">//---------</font>
02115 <font class="keywordflow">for</font>(j=0; j<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; j++)
02116 {
02117 destLod.InfluencedVertices[j].clear();
02118 }
02119 destLod.MatrixInfluences.clear();
02120 <font class="keywordflow">if</font>(_Skinned)
02121 {
02122 <font class="comment">// This is the set which tell what wedge has already been inserted.</font>
02123 set<uint> wedgeInfSet;
02124
02125 <font class="comment">// First, build the list of vertices influenced by this Lod.</font>
02126 <font class="keywordflow">for</font>(j= 0; j<(sint)srcLod.Faces.size(); j++)
02127 {
02128 <font class="keywordflow">for</font>(k=0; k<3; k++)
02129 {
02130 sint wedgeId= srcLod.Faces[j].WedgeId[k];
02131 <font class="comment">// If it is a geomorph</font>
02132 <font class="keywordflow">if</font>(wedgeId<finalMRM.NGeomSpace)
02133 {
02134 <font class="comment">// add the start and end to the list (if not here). NB: wedgeId is both the id </font>
02135 <font class="comment">// of the dest wedge, and the id of the geomorph.</font>
02136 sint wedgeStartId= destLod.Geomorphs[wedgeId].Start;
02137 sint wedgeEndId= destLod.Geomorphs[wedgeId].End;
02138 uint nMatUsedStart= finalMRM.Wedges[wedgeStartId].NSkinMatUsed;
02139 uint nMatUsedEnd= finalMRM.Wedges[wedgeEndId].NSkinMatUsed;
02140
02141 <font class="comment">// if insertion in the set work, add to the good array.</font>
02142 <font class="keywordflow">if</font>( wedgeInfSet.insert(wedgeStartId).second )
02143 destLod.InfluencedVertices[nMatUsedStart-1].push_back(wedgeStartId);
02144 <font class="keywordflow">if</font>( wedgeInfSet.insert(wedgeEndId).second )
02145 destLod.InfluencedVertices[nMatUsedEnd-1].push_back(wedgeEndId);
02146 }
02147 <font class="keywordflow">else</font>
02148 {
02149 uint nMatUsed= finalMRM.Wedges[wedgeId].NSkinMatUsed;
02150
02151 <font class="comment">// just add this wedge to the list (if not here).</font>
02152 <font class="comment">// if insertion in the set work, add to the array.</font>
02153 <font class="keywordflow">if</font>( wedgeInfSet.insert(wedgeId).second )
02154 destLod.InfluencedVertices[nMatUsed-1].push_back(wedgeId);
02155 }
02156 }
02157 }
02158
02159 <font class="comment">// Optimisation: for better cache, sort the destLod.InfluencedVertices in increasing order.</font>
02160 <font class="keywordflow">for</font>(j=0; j<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; j++)
02161 {
02162 sort(destLod.InfluencedVertices[j].begin(), destLod.InfluencedVertices[j].end());
02163 }
02164
02165
02166 <font class="comment">// Then Build the MatrixInfluences array, for all thoses Influenced Vertices only.</font>
02167 <font class="comment">// This is the map MatrixId -> MatrixInfId.</font>
02168 map<uint, uint> matrixInfMap;
02169
02170 <font class="comment">// For all influenced vertices, flags matrix they use.</font>
02171 uint iSkinMat;
02172 <font class="keywordflow">for</font>(iSkinMat= 0; iSkinMat<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; iSkinMat++)
02173 {
02174 <font class="keywordflow">for</font>(j= 0; j<(sint)destLod.InfluencedVertices[iSkinMat].size(); j++)
02175 {
02176 uint wedgeId= destLod.InfluencedVertices[iSkinMat][j];
02177
02178 <font class="comment">// take the original wedge.</font>
02179 <font class="keyword">const</font> CMRMMeshFinal::CWedge &wedge= finalMRM.Wedges[wedgeId];
02180 <font class="comment">// For all matrix with not null influence...</font>
02181 <font class="keywordflow">for</font>(k= 0; k<<a class="code" href="mesh_8h.html#a0">NL3D_MESH_SKINNING_MAX_MATRIX</a>; k++)
02182 {
02183 <font class="keywordtype">float</font> matWeight= wedge.VertexSkin.Weights[k];
02184
02185 <font class="comment">// This check the validity of skin weights sort. If false, problem before in the algo.</font>
02186 <font class="keywordflow">if</font>((uint)k<iSkinMat+1)
02187 {
02188 <a class="code" href="debug_8h.html#a6">nlassert</a>( matWeight>0 );
02189 }
02190 <font class="keywordflow">else</font>
02191 {
02192 <a class="code" href="debug_8h.html#a6">nlassert</a>( matWeight==0 );
02193 }
02194 <font class="comment">// if not null influence.</font>
02195 <font class="keywordflow">if</font>(matWeight>0)
02196 {
02197 uint matId= wedge.VertexSkin.MatrixId[k];
02198
02199 <font class="comment">// search/insert the matrixInfId.</font>
02200 map<uint, uint>::iterator it= matrixInfMap.find(matId);
02201 <font class="keywordflow">if</font>( it==matrixInfMap.end() )
02202 {
02203 uint matInfId= destLod.MatrixInfluences.size();
02204 matrixInfMap.insert( make_pair(matId, matInfId) );
02205 <font class="comment">// create the new MatrixInfluence.</font>
02206 destLod.MatrixInfluences.push_back(matId);
02207 }
02208 }
02209 }
02210 }
02211 }
02212
02213 }
02214
02215 }
02216
02217 <font class="comment">// Indicate Skinning.</font>
02218 mbuild.Skinned= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>;
02219
02220
02221
02222 <font class="keywordtype">bool</font> useTgSpace = mb.MeshVertexProgram != NULL ? mb.MeshVertexProgram->needTangentSpace() : <font class="keyword">false</font>;
02223
02224 <font class="comment">// Construct Blend Shapes</font>
02226 <font class="comment"> mbuild.BlendShapes.resize (finalMRM.MRMBlendShapesFinals.size());</font>
02227 <font class="keywordflow">for</font> (k = 0; k < (sint)mbuild.BlendShapes.size(); ++k)
02228 {
02229 CBlendShape &rBS = mbuild.BlendShapes[k];
02230 sint32 nNbVertVB = finalMRM.Wedges.size();
02231 <font class="keywordtype">bool</font> bIsDeltaPos = <font class="keyword">false</font>;
02232 rBS.deltaPos.resize (nNbVertVB, CVector(0.0f,0.0f,0.0f));
02233 <font class="keywordtype">bool</font> bIsDeltaNorm = <font class="keyword">false</font>;
02234 rBS.deltaNorm.resize (nNbVertVB, CVector(0.0f,0.0f,0.0f));
02235 <font class="keywordtype">bool</font> bIsDeltaUV = <font class="keyword">false</font>;
02236 rBS.deltaUV.resize (nNbVertVB, CUV(0.0f,0.0f));
02237 <font class="keywordtype">bool</font> bIsDeltaCol = <font class="keyword">false</font>;
02238 rBS.deltaCol.resize (nNbVertVB, CRGBAF(0.0f,0.0f,0.0f,0.0f));
02239 <font class="keywordtype">bool</font> bIsDeltaTgSpace = <font class="keyword">false</font>;
02240 <font class="keywordflow">if</font> (useTgSpace)
02241 {
02242 rBS.deltaTgSpace.resize(nNbVertVB, CVector::Null);
02243 }
02244
02245 rBS.VertRefs.resize (nNbVertVB, 0xffffffff);
02246
02247 <font class="keywordflow">for</font> (i = 0; i < nNbVertVB; i++)
02248 {
02249 <font class="keyword">const</font> CMRMMeshFinal::CWedge &rWedgeRef = finalMRM.Wedges[i];
02250 <font class="keyword">const</font> CMRMMeshFinal::CWedge &rWedgeTar = finalMRM.MRMBlendShapesFinals[k].Wedges[i];
02251
02252 CVector delta = rWedgeTar.Vertex - rWedgeRef.Vertex;
02253 CVectorH attr;
02254
02255 <font class="keywordflow">if</font> (delta.norm() > 0.001f)
02256 {
02257 rBS.deltaPos[i] = delta;
02258 rBS.VertRefs[i] = i;
02259 bIsDeltaPos = <font class="keyword">true</font>;
02260 }
02261
02262 attId = 0;
02263 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::NormalFlag)
02264 {
02265 attr = rWedgeRef.Attributes[attId];
02266 CVector NormRef = CVector(attr.x, attr.y, attr.z);
02267 attr = rWedgeTar.Attributes[attId];
02268 CVector NormTar = CVector(attr.x, attr.y, attr.z);
02269 delta = NormTar - NormRef;
02270 <font class="keywordflow">if</font> (delta.norm() > 0.001f)
02271 {
02272 rBS.deltaNorm[i] = delta;
02273 rBS.VertRefs[i] = i;
02274 bIsDeltaNorm = <font class="keyword">true</font>;
02275 }
02276 attId++;
02277 }
02278
02279 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::PrimaryColorFlag)
02280 {
02281 attr = rWedgeRef.Attributes[attId];
02282 CRGBAF RGBARef = CRGBAF(attr.x/255.0f, attr.y/255.0f, attr.z/255.0f, attr.w/255.0f);
02283 attr = rWedgeTar.Attributes[attId];
02284 CRGBAF RGBATar = CRGBAF(attr.x/255.0f, attr.y/255.0f, attr.z/255.0f, attr.w/255.0f);
02285 CRGBAF deltaRGBA = RGBATar - RGBARef;
02286 <font class="keywordflow">if</font> ((deltaRGBA.R*deltaRGBA.R + deltaRGBA.G*deltaRGBA.G +
02287 deltaRGBA.B*deltaRGBA.B + deltaRGBA.A*deltaRGBA.A) > 0.0001f)
02288 {
02289 rBS.deltaCol[i] = deltaRGBA;
02290 rBS.VertRefs[i] = i;
02291 bIsDeltaCol = <font class="keyword">true</font>;
02292 }
02293 attId++;
02294 }
02295
02296 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::SecondaryColorFlag)
02297 { <font class="comment">// Nothing to do !</font>
02298 attId++;
02299 }
02300
02301 <font class="comment">// Do that only for the UV0</font>
02302 <font class="keywordflow">if</font> (vbFlags & CVertexBuffer::TexCoord0Flag)
02303 {
02304 attr = rWedgeRef.Attributes[attId];
02305 CUV UVRef = CUV(attr.x, attr.y);
02306 attr = rWedgeTar.Attributes[attId];
02307 CUV UVTar = CUV(attr.x, attr.y);
02308 CUV deltaUV = UVTar - UVRef;
02309 <font class="keywordflow">if</font> ((deltaUV.U*deltaUV.U + deltaUV.V*deltaUV.V) > 0.0001f)
02310 {
02311 rBS.deltaUV[i] = deltaUV;
02312 rBS.VertRefs[i] = i;
02313 bIsDeltaUV = <font class="keyword">true</font>;
02314 }
02315 attId++;
02316 }
02317
02318 <font class="keywordflow">if</font> (useTgSpace)
02319 {
02320 attr = rWedgeRef.Attributes[attId];
02321 CVector TgSpaceRef = CVector(attr.x, attr.y, attr.z);
02322 attr = rWedgeTar.Attributes[attId];
02323 CVector TgSpaceTar = CVector(attr.x, attr.y, attr.z);
02324 delta = TgSpaceTar - TgSpaceRef;
02325 <font class="keywordflow">if</font> (delta.norm() > 0.001f)
02326 {
02327 rBS.deltaTgSpace[i] = delta;
02328 rBS.VertRefs[i] = i;
02329 bIsDeltaTgSpace = <font class="keyword">true</font>;
02330 }
02331 attId++;
02332 }
02333
02334 } <font class="comment">// End of all vertices added in blend shape</font>
02335
02336 <font class="comment">// Delete unused items and calculate the number of vertex used (blended)</font>
02337
02338 sint32 nNbVertUsed = nNbVertVB;
02339 sint32 nDstPos = 0;
02340 <font class="keywordflow">for</font> (j = 0; j < nNbVertVB; ++j)
02341 {
02342 <font class="keywordflow">if</font> (rBS.VertRefs[j] == 0xffffffff) <font class="comment">// Is vertex UNused</font>
02343 {
02344 --nNbVertUsed;
02345 }
02346 <font class="keywordflow">else</font> <font class="comment">// Vertex used</font>
02347 {
02348 <font class="keywordflow">if</font> (nDstPos != j)
02349 {
02350 rBS.VertRefs[nDstPos] = rBS.VertRefs[j];
02351 rBS.deltaPos[nDstPos] = rBS.deltaPos[j];
02352 rBS.deltaNorm[nDstPos] = rBS.deltaNorm[j];
02353 rBS.deltaUV[nDstPos] = rBS.deltaUV[j];
02354 rBS.deltaCol[nDstPos] = rBS.deltaCol[j];
02355 <font class="keywordflow">if</font> (useTgSpace)
02356 {
02357 rBS.deltaTgSpace[nDstPos] = rBS.deltaTgSpace[j];
02358 }
02359 }
02360 ++nDstPos;
02361 }
02362 }
02363
02364 <font class="keywordflow">if</font> (bIsDeltaPos)
02365 rBS.deltaPos.resize (nNbVertUsed);
02366 <font class="keywordflow">else</font>
02367 rBS.deltaPos.resize (0);
02368
02369 <font class="keywordflow">if</font> (bIsDeltaNorm)
02370 rBS.deltaNorm.resize (nNbVertUsed);
02371 <font class="keywordflow">else</font>
02372 rBS.deltaNorm.resize (0);
02373
02374 <font class="keywordflow">if</font> (bIsDeltaUV)
02375 rBS.deltaUV.resize (nNbVertUsed);
02376 <font class="keywordflow">else</font>
02377 rBS.deltaUV.resize (0);
02378
02379 <font class="keywordflow">if</font> (bIsDeltaCol)
02380 rBS.deltaCol.resize (nNbVertUsed);
02381 <font class="keywordflow">else</font>
02382 rBS.deltaCol.resize (0);
02383
02384 <font class="keywordflow">if</font> (bIsDeltaTgSpace)
02385 rBS.deltaTgSpace.resize (nNbVertUsed);
02386 <font class="keywordflow">else</font>
02387 rBS.deltaTgSpace.resize (0);
02388
02389
02390 rBS.VertRefs.resize (nNbVertUsed);
02391
02392 }
02393 }
02394
02395 <font class="comment">// ***************************************************************************</font>
<a name="l02396"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z630_0">02396</a> <font class="keywordtype">void</font> CMRMBuilder::buildBlendShapes (CMRMMesh& baseMesh,
02397 std::vector<CMesh::CMeshBuild*> &bsList, uint32 VertexFlags)
02398 {
02399 uint32 i, j, k, m, destIndex;
02400 uint32 attId;
02401 CVectorH vh;
02402 vector<CMRMBlendShape> &bsMeshes= baseMesh.BlendShapes;
02403
02404 bsMeshes.resize (bsList.size());
02405
02406 <font class="keywordflow">for</font> (i = 0; i < bsList.size(); ++i)
02407 {
02408 <font class="comment">// Construct a blend shape like a mrm mesh</font>
02409 <a class="code" href="debug_8h.html#a6">nlassert</a> (baseMesh.Vertices.size() == bsList[i]->Vertices.size());
02410 bsMeshes[i].Vertices.resize (baseMesh.Vertices.size());
02411 bsMeshes[i].Vertices = bsList[i]->Vertices;
02412
02413 bsMeshes[i].NumAttributes = baseMesh.NumAttributes;
02414 <font class="keywordflow">for</font> (j = 0; j < (uint32)bsMeshes[i].NumAttributes; ++j)
02415 bsMeshes[i].Attributes[j].resize(baseMesh.Attributes[j].size());
02416
02417 <font class="comment">// For all corners parse the faces (given by the baseMesh) and construct blend shape mrm meshes</font>
02418 <font class="keywordflow">for</font> (j = 0; j < baseMesh.Faces.size(); ++j)
02419 <font class="keywordflow">for</font> (k = 0; k < 3; ++k)
02420 {
02421 <font class="keyword">const</font> CMesh::CCorner &srcCorner = bsList[i]->Faces[j].Corner[k];
02422 CMRMCorner &neutralCorner = baseMesh.Faces[j].Corner[k];
02423
02424 attId= 0;
02425
02426 <font class="keywordflow">if</font> (VertexFlags & CVertexBuffer::NormalFlag)
02427 {
02428 destIndex = neutralCorner.Attributes[attId];
02429 vh.x = srcCorner.Normal.x;
02430 vh.y = srcCorner.Normal.y;
02431 vh.z = srcCorner.Normal.z;
02432 vh.w = 0.0f;
02433 bsMeshes[i].Attributes[attId].operator[](destIndex) = vh;
02434 attId++;
02435 }
02436 <font class="keywordflow">if</font> (VertexFlags & CVertexBuffer::PrimaryColorFlag)
02437 {
02438 destIndex = neutralCorner.Attributes[attId];
02439 vh.x = srcCorner.Color.R;
02440 vh.y = srcCorner.Color.G;
02441 vh.z = srcCorner.Color.B;
02442 vh.w = srcCorner.Color.A;
02443 bsMeshes[i].Attributes[attId].operator[](destIndex) = vh;
02444 attId++;
02445 }
02446 <font class="keywordflow">if</font> (VertexFlags & CVertexBuffer::SecondaryColorFlag)
02447 {
02448 destIndex = neutralCorner.Attributes[attId];
02449 vh.x = srcCorner.Specular.R;
02450 vh.y = srcCorner.Specular.G;
02451 vh.z = srcCorner.Specular.B;
02452 vh.w = srcCorner.Specular.A;
02453 bsMeshes[i].Attributes[attId].operator[](destIndex) = vh;
02454 attId++;
02455 }
02456 <font class="keywordflow">for</font> (m = 0; m < CVertexBuffer::MaxStage; ++m)
02457 {
02458 <font class="keywordflow">if</font> (VertexFlags & (CVertexBuffer::TexCoord0Flag<<m))
02459 {
02460 destIndex = neutralCorner.Attributes[attId];
02461 vh.x = srcCorner.Uvws[m].U;
02462 vh.y = srcCorner.Uvws[m].V;
02463 vh.z = srcCorner.Uvws[m].W;
02464 vh.w = 0.0f;
02465 bsMeshes[i].Attributes[attId].operator[](destIndex) = vh;
02466 attId++;
02467 }
02468 }
02469 }
02470 }
02471 }
02472
02473
02474 <font class="comment">// ***************************************************************************</font>
<a name="l02475"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#a1">02475</a> <font class="keywordtype">void</font> CMRMBuilder::compileMRM(<font class="keyword">const</font> CMesh::CMeshBuild &mbuild, std::vector<CMesh::CMeshBuild*> &bsList,
02476 <font class="keyword">const</font> CMRMParameters &<a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>, CMeshMRMGeom::CMeshBuildMRM &mrmMesh,
02477 uint numMaxMaterial)
02478 {
02479 <font class="comment">// Temp data.</font>
02480 CMRMMesh baseMesh;
02481 vector<CMRMMeshGeom> lodMeshs;
02482 CMRMMeshFinal finalMRM;
02483 vector<CMRMMeshFinal> finalBsMRM;
02484 uint32 vbFlags;
02485
02486
02487 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceFinest>=0);
02488 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceMiddle > <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceFinest);
02489 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceCoarsest > <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceMiddle);
02490
02491
02492 <font class="comment">// Copy some parameters.</font>
02493 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_6">_SkinReduction</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.SkinReduction;
02494
02495 <font class="comment">// Skinning??</font>
02496 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>= ((mbuild.VertexFlags & CVertexBuffer::PaletteSkinFlag)==CVertexBuffer::PaletteSkinFlag);
02497 <font class="comment">// Skinning is OK only if SkinWeights are of same size as vertices.</font>
02498 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z624_5">_Skinned</a> && ( mbuild.Vertices.size()==mbuild.SkinWeights.size() );
02499
02500 <font class="comment">// MeshInterface setuped ?</font>
02501 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_1">_HasMeshInterfaces</a>= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_0">buildMRMSewingMeshes</a>(mbuild, <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.NLods, <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.Divisor);
02502
02503 <font class="comment">// from mbuild, build an internal MRM mesh representation.</font>
02504 <font class="comment">// vbFlags returned is the VBuffer format supported by CMRMBuilder.</font>
02505 <font class="comment">// NB: skinning is removed because skinning is made in software in CMeshMRMGeom.</font>
02506 vbFlags= <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_7">buildMrmBaseMesh</a>(mbuild, baseMesh);
02507
02508 <font class="comment">// Construct all blend shapes in the same way we have constructed the basemesh mrm</font>
02509 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z630_0">buildBlendShapes</a> (baseMesh, bsList, vbFlags);
02510
02511 <font class="comment">// If skinned, must ensure that skin weights have weights in ascending order.</font>
02512 <font class="keywordflow">if</font>(_Skinned)
02513 {
02514 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_9">normalizeBaseMeshSkin</a>(baseMesh);
02515 }
02516
02517 <font class="comment">// from this baseMesh, builds all LODs of the MRM, with geomorph info. NB: vertices/wedges are duplicated.</font>
02518 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z630_1">buildAllLods</a> ( baseMesh, lodMeshs, <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.NLods, <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.Divisor );
02519
02520 <font class="comment">// From this array of LOD, build a finalMRM, by regrouping identical vertices/wedges, and compute index geomorphs.</font>
02521 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z630_2">buildFinalMRM</a>(lodMeshs, finalMRM);
02522
02523 <font class="comment">// From this finalMRM, build output: a CMeshBuildMRM.</font>
02524 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z631_8">buildMeshBuildMrm</a>(finalMRM, mrmMesh, vbFlags, numMaxMaterial, mbuild);
02525
02526 <font class="comment">// Copy degradation control params.</font>
02527 mrmMesh.DistanceFinest= <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceFinest;
02528 mrmMesh.DistanceMiddle= <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceMiddle;
02529 mrmMesh.DistanceCoarsest= <a class="code" href="driver__opengl__extension__def_8h.html#a357">params</a>.DistanceCoarsest;
02530 }
02531
02532
02533 <font class="comment">// ***************************************************************************</font>
02534 <font class="comment">// ***************************************************************************</font>
02535 <font class="comment">// MRM Interface system</font>
02536 <font class="comment">// ***************************************************************************</font>
02537 <font class="comment">// ***************************************************************************</font>
02538
02539 <font class="comment">// ***************************************************************************</font>
<a name="l02540"></a><a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_0">02540</a> <font class="keywordtype">bool</font> CMRMBuilder::buildMRMSewingMeshes(<font class="keyword">const</font> CMesh::CMeshBuild &mbuild, uint nWantedLods, uint divisor)
02541 {
02542 <a class="code" href="debug_8h.html#a6">nlassert</a>(nWantedLods>=1);
02543 <a class="code" href="debug_8h.html#a6">nlassert</a>(divisor>=1);
02544 <font class="keywordflow">if</font>(mbuild.Interfaces.size()==0)
02545 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02546 <font class="comment">// must have same size</font>
02547 <font class="keywordflow">if</font>(mbuild.InterfaceLinks.size()!=mbuild.Vertices.size())
02548 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02549
02550 <font class="comment">// **** For each interface, MRM-ize it and store.</font>
02551 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_2">_SewingMeshes</a>.resize(mbuild.Interfaces.size());
02552 <font class="keywordflow">for</font>(uint i=0;i<mbuild.Interfaces.size();i++)
02553 {
02554 <a class="code" href="classNL3D_1_1CMRMBuilder.html#z628_2">_SewingMeshes</a>[i].build(mbuild.Interfaces[i], nWantedLods, divisor);
02555 }
02556
02557
02558 <font class="keywordflow">return</font> <font class="keyword">true</font>;
02559 }
02560
02561
02562 } <font class="comment">// NL3D</font>
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