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<hr><h1>zone.cpp</h1><a href="3d_zone_cpp.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="3d_zone_h.html">nel/3d/zone.h</a>"</font>
00027 <font class="preprocessor">#include "<a class="code" href="landscape_h.html">nel/3d/landscape.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="common_h.html">nel/misc/common.h</a>"</font>
00029 
00030 
00031 <font class="keyword">using</font> <font class="keyword">namespace</font> NLMISC;
00032 <font class="keyword">using</font> <font class="keyword">namespace</font> std;
00033 
00034 
00035 <font class="comment">// define it only for debug bind.</font>
00036 <font class="comment">//#define       NL3D_DEBUG_DONT_BIND_PATCH</font>
00037 
00038 
00039 <font class="keyword">namespace</font> NL3D {
00040 
00041 
<a name="l00042"></a><a class="code" href="namespace_NL3D.html#a190">00042</a> <font class="keyword">const</font> sint      ClipIn= 0;
<a name="l00043"></a><a class="code" href="namespace_NL3D.html#a191">00043</a> <font class="keyword">const</font> sint      ClipOut= 1;
<a name="l00044"></a><a class="code" href="namespace_NL3D.html#a192">00044</a> <font class="keyword">const</font> sint      ClipSide= 2;
00045 
00046 
00047 <font class="comment">// ***************************************************************************</font>
<a name="l00048"></a><a class="code" href="class_NL3D__CZone.html#a0">00048</a> CZone::CZone()<font class="keyword">
</font>00049 <font class="keyword"></font>{
00050         ComputeTileErrorMetric= <font class="keyword">false</font>;
00051         ZoneId= 0;
00052         Compiled= <font class="keyword">false</font>;
00053         Landscape= NULL;
00054 }
00055 <font class="comment">// ***************************************************************************</font>
<a name="l00056"></a><a class="code" href="class_NL3D__CZone.html#a1">00056</a> CZone::~CZone()<font class="keyword">
</font>00057 <font class="keyword"></font>{
00058         <font class="comment">// release() must have been called.</font>
00059         <a class="code" href="debug_h.html#a6">nlassert</a>(!Compiled);
00060 }
00061 
00062 
00063 <font class="comment">// ***************************************************************************</font>
<a name="l00064"></a><a class="code" href="class_NL3D__CZone.html#c4">00064</a> <font class="keywordtype">void</font>                    CZone::computeBBScaleBias(<font class="keyword">const</font> CAABBox &amp;bb)<font class="keyword">
</font>00065 <font class="keyword"></font>{
00066         ZoneBB= bb;
00067         <font class="comment">// Take a security for noise. (usefull for zone clipping).</font>
00068         ZoneBB.setHalfSize(ZoneBB.getHalfSize()+CVector(NL3D_NOISE_MAX, NL3D_NOISE_MAX, NL3D_NOISE_MAX));
00069         CVector hs= ZoneBB.getHalfSize();
00070         <font class="keywordtype">float</font>   rmax= maxof(hs.x, hs.y, hs.z);
00071         PatchScale= rmax / 32760;               <font class="comment">// Prevent from float imprecision by taking 32760 and not 32767.</font>
00072         PatchBias= ZoneBB.getCenter();
00073 }
00074 
00075 
00076 <font class="comment">// ***************************************************************************</font>
<a name="l00077"></a><a class="code" href="class_NL3D__CZone.html#a2">00077</a> <font class="keywordtype">void</font>                    CZone::build(uint16 zoneId, <font class="keyword">const</font> std::vector&lt;CPatchInfo&gt; &amp;patchs, <font class="keyword">const</font> std::vector&lt;CBorderVertex&gt; &amp;borderVertices)<font class="keyword">
</font>00078 <font class="keyword"></font>{
00079         sint    i,j;
00080         <a class="code" href="debug_h.html#a6">nlassert</a>(!Compiled);
00081 
00082         ZoneId= zoneId;
00083         BorderVertices= borderVertices;
00084 
00085         <font class="comment">// Compute the bbox and the bias/scale.</font>
00086         <font class="comment">//=====================================</font>
00087         CAABBox         bb;
00088         <font class="keywordflow">if</font>(patchs.size())
00089                 bb.setCenter(patchs[0].Patch.Vertices[0]);
00090         bb.setHalfSize(CVector::Null);
00091         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
00092         {
00093                 <font class="keyword">const</font> CBezierPatch      &amp;p= patchs[j].Patch;
00094                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00095                         bb.extend(p.Vertices[i]);
00096                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
00097                         bb.extend(p.Tangents[i]);
00098                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00099                         bb.extend(p.Interiors[i]);
00100         }
00101         <font class="comment">// Compute BBox, and Patch Scale Bias, according to Noise.</font>
00102         computeBBScaleBias(bb);
00103 
00104 
00105         <font class="comment">// Compute/compress Patchs.</font>
00106         <font class="comment">//=========================</font>
00107         Patchs.resize(patchs.size());
00108         PatchConnects.resize(patchs.size());
00109         sint    maxVertex=-1;
00110         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
00111         {
00112                 <font class="keyword">const</font> CPatchInfo        &amp;pi= patchs[j];
00113                 <font class="keyword">const</font> CBezierPatch      &amp;p= pi.Patch;
00114                 CPatch                          &amp;pa= Patchs[j];
00115                 CPatchConnect           &amp;pc= PatchConnects[j];
00116 
00117                 <font class="comment">// Smoothing flags</font>
00118                 pa.Flags&amp;=~NL_PATCH_SMOOTH_FLAG_MASK;
00119                 pa.Flags|=NL_PATCH_SMOOTH_FLAG_MASK&amp;(pi.Flags&lt;&lt;NL_PATCH_SMOOTH_FLAG_SHIFT);
00120 
00121                 <font class="comment">// Build the patch.</font>
00122                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00123                         pa.Vertices[i].pack(p.Vertices[i], PatchBias, PatchScale);
00124                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
00125                         pa.Tangents[i].pack(p.Tangents[i], PatchBias, PatchScale);
00126                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00127                         pa.Interiors[i].pack(p.Interiors[i], PatchBias, PatchScale);
00128                 pa.Tiles= pi.Tiles;
00129                 pa.TileColors= pi.TileColors;
00130 
00131                 <font class="comment">// Copy order of the patch</font>
00132                 pa.OrderS= pi.OrderS;
00133                 pa.OrderT= pi.OrderT;
00134 
00135                 <font class="comment">// Number of lumels in this patch</font>
00136                 uint lumelCount=(pi.OrderS*NL_LUMEL_BY_TILE+1)*(pi.OrderT*NL_LUMEL_BY_TILE+1);
00137 
00138                 <font class="comment">// Lumel empty ?</font>
00139                 <font class="keywordflow">if</font> (pi.Lumels.<a class="code" href="lexlang_cpp.html#a56">size</a> ()==lumelCount)
00140                 {
00141                         <font class="comment">// Pack the lumel map</font>
00142                         pa.packShadowMap (&amp;pi.Lumels[0]);
00143                 }
00144                 <font class="keywordflow">else</font>
00145                 {
00146                         <font class="comment">// Reset lightmap</font>
00147                         pa.resetCompressedLumels ();
00148                 }
00149 
00150                 <a class="code" href="debug_h.html#a6">nlassert</a>(pa.Tiles.size()== (uint)pi.OrderS*pi.OrderT);
00151                 <a class="code" href="debug_h.html#a6">nlassert</a>(pa.TileColors.size()== (uint)(pi.OrderS+1)*(pi.OrderT+1));
00152 
00153                 <font class="comment">// Build the patchConnect.</font>
00154                 pc.ErrorSize= pi.ErrorSize;
00155                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00156                 {
00157                         pc.BaseVertices[i]= pi.BaseVertices[i];
00158                         maxVertex= <a class="code" href="nel_patch_mesh_cpp.html#a0">max</a>((sint)pc.BaseVertices[i], maxVertex);
00159                 }
00160                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00161                         pc.BindEdges[i]= pi.BindEdges[i];
00162         }
00163 
00164         NumVertices= maxVertex+1;
00165 }
00166 
00167 
00168 <font class="comment">// ***************************************************************************</font>
<a name="l00169"></a><a class="code" href="class_NL3D__CZone.html#a4">00169</a> <font class="keywordtype">void</font>                    CZone::retrieve(std::vector&lt;CPatchInfo&gt; &amp;patchs, std::vector&lt;CBorderVertex&gt; &amp;borderVertices)<font class="keyword">
</font>00170 <font class="keyword"></font>{
00171         sint i,j;
00172 
00173         <font class="comment">// uncompress Patchs.</font>
00174         <font class="comment">//=========================</font>
00175         patchs.resize(Patchs.size());
00176         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
00177         {
00178                 CPatchInfo                      &amp;pi= patchs[j];
00179                 CBezierPatch            &amp;p= pi.Patch;
00180                 CPatch                          &amp;pa= Patchs[j];
00181                 CPatchConnect           &amp;pc= PatchConnects[j];
00182 
00183                 <font class="comment">// re-Build the uncompressed bezier patch.</font>
00184                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00185                         pa.Vertices[i].unpack(p.Vertices[i], PatchBias, PatchScale);
00186                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
00187                         pa.Tangents[i].unpack(p.Tangents[i], PatchBias, PatchScale);
00188                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00189                         pa.Interiors[i].unpack(p.Interiors[i], PatchBias, PatchScale);
00190                 pi.Tiles= pa.Tiles;
00191                 pi.TileColors= pa.TileColors;
00192                 pi.Lumels.resize ((pa.OrderS*4+1)*(pa.OrderT*4+1));
00193 
00194                 <font class="comment">// Unpack the lumel map</font>
00195                 pa.unpackShadowMap (&amp;pi.Lumels[0]);
00196 
00197                 <font class="comment">// from the patchConnect.</font>
00198                 pi.OrderS= pa.OrderS;
00199                 pi.OrderT= pa.OrderT;
00200                 pi.ErrorSize= pc.ErrorSize;
00201                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00202                 {
00203                         pi.BaseVertices[i]= pc.BaseVertices[i];
00204                 }
00205                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00206                         pi.BindEdges[i]= pc.BindEdges[i];
00207         }
00208 
00209         <font class="comment">// retrieve bordervertices.</font>
00210         <font class="comment">//=========================</font>
00211         borderVertices= BorderVertices;
00212 }
00213 
00214 
00215 <font class="comment">// ***************************************************************************</font>
<a name="l00216"></a><a class="code" href="class_NL3D__CZone.html#a3">00216</a> <font class="keywordtype">void</font>                    CZone::build(<font class="keyword">const</font> CZone &amp;zone)<font class="keyword">
</font>00217 <font class="keyword"></font>{
00218         <a class="code" href="debug_h.html#a6">nlassert</a>(!Compiled);
00219 
00220         ZoneId= zone.ZoneId;
00221         BorderVertices= zone.BorderVertices;
00222 
00223         <font class="comment">// Compute the bbox and the bias/scale.</font>
00224         <font class="comment">//=====================================</font>
00225         ZoneBB= zone.ZoneBB;
00226         PatchScale= zone.PatchScale;
00227         PatchBias= zone.PatchBias;
00228 
00229 
00230         <font class="comment">// Compute/compress Patchs.</font>
00231         <font class="comment">//=========================</font>
00232         Patchs= zone.Patchs;
00233         PatchConnects= zone.PatchConnects;
00234 
00235 
00236         NumVertices= zone.NumVertices;
00237 }
00238 
00239 
00240 
00241 <font class="comment">// ***************************************************************************</font>
<a name="l00242"></a><a class="code" href="class_NL3D__CBorderVertex.html#a0">00242</a> <font class="keywordtype">void</font>                    CBorderVertex::serial(<a class="code" href="class_NLMISC__IStream.html">NLMISC::IStream</a> &amp;f)<font class="keyword">
</font>00243 <font class="keyword"></font>{
00244         uint    ver= f.<a class="code" href="class_NLMISC__IStream.html#a51">serialVersion</a>(0);
00245         f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(CurrentVertex, NeighborZoneId, NeighborVertex);
00246 }
<a name="l00247"></a><a class="code" href="class_NL3D__CZone__CPatchConnect.html#a0">00247</a> <font class="keywordtype">void</font>                    CZone::CPatchConnect::serial(<a class="code" href="class_NLMISC__IStream.html">NLMISC::IStream</a> &amp;f)<font class="keyword">
</font>00248 <font class="keyword"></font>{
00249         uint    ver= f.<a class="code" href="class_NLMISC__IStream.html#a51">serialVersion</a>(1);
00250 
00251         <font class="keywordflow">if</font> (ver&lt;1)
00252                 f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(OldOrderS, OldOrderT, ErrorSize);
00253         <font class="keywordflow">else</font>
00254                 f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(ErrorSize);
00255         f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(BaseVertices[0], BaseVertices[1], BaseVertices[2], BaseVertices[3]);
00256         f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(BindEdges[0], BindEdges[1], BindEdges[2], BindEdges[3]);
00257 }
<a name="l00258"></a><a class="code" href="class_NL3D__CPatchInfo__CBindInfo.html#a0">00258</a> <font class="keywordtype">void</font>                    CPatchInfo::CBindInfo::serial(<a class="code" href="class_NLMISC__IStream.html">NLMISC::IStream</a> &amp;f)<font class="keyword">
</font>00259 <font class="keyword"></font>{
00260         <font class="keywordtype">int</font>             i;
00261         uint    ver= f.<a class="code" href="class_NLMISC__IStream.html#a51">serialVersion</a>(0);
00262         f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(NPatchs);
00263         f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(ZoneId);
00264         <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00265                 f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(Next[i]);
00266         <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
00267                 f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(Edge[i]);
00268 }
00269 
00270 <font class="comment">// ***************************************************************************</font>
<a name="l00271"></a><a class="code" href="class_NL3D__CZone.html#a8">00271</a> <font class="keywordtype">void</font>                    CZone::serial(<a class="code" href="class_NLMISC__IStream.html">NLMISC::IStream</a> &amp;f)<font class="keyword">
</font>00272 <font class="keyword"></font>{
00273         <font class="comment">/*
</font>00274 <font class="comment">        Version 2:
</font>00275 <font class="comment">                - Lumels.
</font>00276 <font class="comment">        Version 1:
</font>00277 <font class="comment">                - Tile color.
</font>00278 <font class="comment">        Version 0:
</font>00279 <font class="comment">                - base verison.
</font>00280 <font class="comment">        */</font>
00281         uint    ver= f.<a class="code" href="class_NLMISC__IStream.html#a51">serialVersion</a>(2);
00282 
00283         f.<a class="code" href="class_NLMISC__IStream.html#a52">serialCheck</a>((uint32)'ENOZ');
00284         f.<a class="code" href="class_NLMISC__IStream.html#a5">serial</a>(ZoneId, ZoneBB, PatchBias, PatchScale, NumVertices);
00285         f.<a class="code" href="class_NLMISC__IStream.html#a29">serialCont</a>(BorderVertices);
00286         f.<a class="code" href="class_NLMISC__IStream.html#a29">serialCont</a>(Patchs);
00287         f.<a class="code" href="class_NLMISC__IStream.html#a29">serialCont</a>(PatchConnects);
00288 
00289         <font class="comment">// If read and version 0, must init default TileColors of patchs.</font>
00290         <font class="comment">//===============================================================</font>
00291         <font class="keywordflow">if</font>(f.<a class="code" href="class_NLMISC__IStream.html#a4">isReading</a>() &amp;&amp; ver&lt;2)
00292         {
00293                 <font class="keywordflow">for</font>(sint j=0;j&lt;(sint)Patchs.size();j++)
00294                 {
00295                         CPatch                          &amp;pa= Patchs[j];
00296                         CPatchConnect           &amp;pc= PatchConnects[j];
00297 
00298                         <font class="comment">// Force Order of the patch</font>
00299                         pa.OrderS=pc.OldOrderS;
00300                         pa.OrderT=pc.OldOrderT;
00301 
00302                         <font class="comment">// Tile colors exist ?</font>
00303                         <font class="keywordflow">if</font> (ver&lt;1)
00304                         {
00305                                 <font class="comment">// Leave it as default behavior: Must init the color as pure white...</font>
00306                                 <font class="comment">// We must fo it with help of patchconnects OrderS and OrderT.</font>
00307                                 pa.TileColors.resize( (pc.OldOrderS+1)*(pc.OldOrderT+1) );
00308                                 <font class="keywordflow">for</font>(sint i=0;i&lt;(sint)pa.TileColors.<a class="code" href="lexlang_cpp.html#a56">size</a>();i++)
00309                                 {
00310                                         pa.TileColors[i].Color565= 0xFFFF;
00311                                         pa.TileColors[i].Shade= 0xFF;
00312                                         pa.TileColors[i].LightX= 0xFF;
00313                                         pa.TileColors[i].LightY= 0x00;
00314                                         pa.TileColors[i].LightZ= 0x00;
00315                                 }
00316                         }
00317 
00318                         <font class="comment">// Lumels exist ?</font>
00319                         <font class="keywordflow">if</font> (ver&lt;2)
00320                         {
00321                                 <font class="comment">// Reset shadows</font>
00322                                 pa.resetCompressedLumels ();
00323                         }
00324                 }
00325         }
00326 }
00327 
00328 
00329 <font class="comment">// ***************************************************************************</font>
<a name="l00330"></a><a class="code" href="class_NL3D__CZone.html#a6">00330</a> <font class="keywordtype">void</font>                    CZone::compile(CLandscape *landscape, TZoneMap &amp;loadedZones)<font class="keyword">
</font>00331 <font class="keyword"></font>{
00332         sint    i,j;
00333         TZoneMap                neighborZones;
00334 
00335         <font class="comment">// Can't compile if compiled.</font>
00336         <a class="code" href="debug_h.html#a6">nlassert</a>(!Compiled);
00337         Landscape= landscape;
00338 
00339         <font class="comment">// Attach this to loadedZones.</font>
00340         <font class="comment">//============================</font>
00341         <a class="code" href="debug_h.html#a6">nlassert</a>(loadedZones.find(ZoneId)==loadedZones.end());
00342         loadedZones[ZoneId]= <font class="keyword">this</font>;
00343         
00344         <font class="comment">// Create/link the base vertices according to present neigbor zones.</font>
00345         <font class="comment">//============================</font>
00346         BaseVertices.clear();
00347         BaseVertices.resize(NumVertices);
00348         <font class="comment">// First try to link vertices to other.</font>
00349         <font class="keywordflow">for</font>(i=0;i&lt;(sint)BorderVertices.size();i++)
00350         {
00351                 sint    cur= BorderVertices[i].CurrentVertex;
00352                 sint    vertto= BorderVertices[i].NeighborVertex;
00353                 sint    zoneto= BorderVertices[i].NeighborZoneId;
00354                 <a class="code" href="debug_h.html#a6">nlassert</a>(cur&lt;NumVertices);
00355 
00356                 <font class="keywordflow">if</font>(loadedZones.find(zoneto)!=loadedZones.end())
00357                 {
00358                         CZone   *zone;
00359                         zone= (*loadedZones.find(zoneto)).second;
00360                         <a class="code" href="debug_h.html#a6">nlassert</a>(zone!=<font class="keyword">this</font>);
00361                         <font class="comment">// insert the zone in the neigborood (if not done...).</font>
00362                         neighborZones[zoneto]= zone;
00363                         <font class="comment">// Doesn't matter if BaseVertices is already linked to an other zone... </font>
00364                         <font class="comment">// This should be the same pointer in this case...</font>
00365                         BaseVertices[cur]=  zone-&gt;getBaseVertex(vertto);
00366                 }
00367         }
00368         <font class="comment">// Else, create unbounded vertices.</font>
00369         <font class="keywordflow">for</font>(i=0;i&lt;(sint)BaseVertices.size();i++)
00370         {
00371                 <font class="keywordflow">if</font>(BaseVertices[i]==NULL)
00372                 {
00373                         BaseVertices[i]=  <font class="keyword">new</font> CTessBaseVertex;
00374                 }
00375         }
00376 
00377 
00378         <font class="comment">// compile() the patchs.</font>
00379         <font class="comment">//======================</font>
00380         <font class="keywordflow">for</font>(j=0;j&lt;(sint)Patchs.size();j++)
00381         {
00382                 CPatch                          &amp;pa= Patchs[j];
00383                 CPatchConnect           &amp;pc= PatchConnects[j];
00384                 CTessVertex                     *baseVertices[4];
00385 
00386                 baseVertices[0]= &amp;(BaseVertices[pc.BaseVertices[0]]-&gt;Vert);
00387                 baseVertices[1]= &amp;(BaseVertices[pc.BaseVertices[1]]-&gt;Vert);
00388                 baseVertices[2]= &amp;(BaseVertices[pc.BaseVertices[2]]-&gt;Vert);
00389                 baseVertices[3]= &amp;(BaseVertices[pc.BaseVertices[3]]-&gt;Vert);
00390                 pa.compile(<font class="keyword">this</font>, pa.OrderS, pa.OrderT, baseVertices, pc.ErrorSize);
00391         };
00392 
00393         <font class="comment">// bind() the patchs. (after all compiled).</font>
00394         <font class="comment">//===================</font>
00395         <font class="keywordflow">for</font>(j=0;j&lt;(sint)Patchs.size();j++)
00396         {
00397                 CPatch                          &amp;pa= Patchs[j];
00398                 CPatchConnect           &amp;pc= PatchConnects[j];
00399 
00400                 bindPatch(loadedZones, pa, pc);
00401         }
00402         
00403         
00404         <font class="comment">// rebindBorder() on neighbor zones.</font>
00405         <font class="comment">//==================================</font>
00406         ItZoneMap               zoneIt;
00407         <font class="comment">// Traverse the neighborood.</font>
00408         <font class="keywordflow">for</font>(zoneIt= neighborZones.begin(); zoneIt!=neighborZones.end(); zoneIt++)
00409         {
00410                 (*zoneIt).second-&gt;rebindBorder(loadedZones);
00411         }
00412 
00413         <font class="comment">// End!!</font>
00414         Compiled= <font class="keyword">true</font>;
00415 }
00416 
00417 <font class="comment">// ***************************************************************************</font>
<a name="l00418"></a><a class="code" href="class_NL3D__CZone.html#a7">00418</a> <font class="keywordtype">void</font>                    CZone::release(TZoneMap &amp;loadedZones)<font class="keyword">
</font>00419 <font class="keyword"></font>{
00420         sint    i,j;
00421 
00422         <font class="keywordflow">if</font>(!Compiled)
00423                 <font class="keywordflow">return</font>;
00424 
00425         <font class="comment">// detach this zone to loadedZones.</font>
00426         <font class="comment">//=================================</font>
00427         <a class="code" href="debug_h.html#a6">nlassert</a>(loadedZones.find(ZoneId)!=loadedZones.end());
00428         loadedZones.erase(ZoneId);
00429         <font class="comment">// It doesn't server to unbindPatch(), since patch is not binded to neigbors.</font>
00430 
00431 
00432         <font class="comment">// unbind() the patchs.</font>
00433         <font class="comment">//=====================</font>
00434         <font class="keywordflow">for</font>(j=0;j&lt;(sint)Patchs.size();j++)
00435         {
00436                 CPatch                          &amp;pa= Patchs[j];
00437                 CPatchConnect           &amp;pc= PatchConnects[j];
00438                 unbindPatch(loadedZones, pa, pc);
00439                 <font class="comment">/* 
</font>00440 <font class="comment">                        This patch may be unbinded with exceptions (multiple patch case), but there is no problem, since in this case,
</font>00441 <font class="comment">                        his neighbor will (or have precedently) unbind.
</font>00442 <font class="comment">                        Since only Bind 1/1 are permitted on zone neighborood, there should be no problem:
</font>00443 <font class="comment">                        patch are unbinded with no exceptions.
</font>00444 <font class="comment">                */</font>
00445         }
00446 
00447 
00448         <font class="comment">// rebindBorder() on neighbor zones.</font>
00449         <font class="comment">//==================================</font>
00450         <font class="comment">// Build the nieghborood.</font>
00451         TZoneMap                neighborZones;
00452         <font class="keywordflow">for</font>(i=0;i&lt;(sint)BorderVertices.size();i++)
00453         {
00454                 sint    cur= BorderVertices[i].CurrentVertex;
00455                 sint    zoneto= BorderVertices[i].NeighborZoneId;
00456                 <a class="code" href="debug_h.html#a6">nlassert</a>(cur&lt;NumVertices);
00457 
00458                 <font class="keywordflow">if</font>(loadedZones.find(zoneto)!=loadedZones.end())
00459                 {
00460                         CZone   *zone;
00461                         zone= (*loadedZones.find(zoneto)).second;
00462                         <a class="code" href="debug_h.html#a6">nlassert</a>(zone!=<font class="keyword">this</font>);
00463                         <font class="comment">// insert the zone in the neigborood (if not done...).</font>
00464                         neighborZones[zoneto]= zone;
00465                 }
00466         }
00467         <font class="comment">// rebind borders.</font>
00468         ItZoneMap               zoneIt;
00469         <font class="comment">// Traverse the neighborood.</font>
00470         <font class="keywordflow">for</font>(zoneIt= neighborZones.begin(); zoneIt!=neighborZones.end(); zoneIt++)
00471         {
00472                 <font class="comment">// Since </font>
00473                 (*zoneIt).second-&gt;rebindBorder(loadedZones);
00474         }
00475 
00476 
00477         <font class="comment">// release() the patchs.</font>
00478         <font class="comment">//======================</font>
00479         <font class="comment">// unbind() need compiled neigbor patchs, so do the release after all unbind (so after rebindBorder() too...).</font>
00480         <font class="keywordflow">for</font>(j=0;j&lt;(sint)Patchs.size();j++)
00481         {
00482                 CPatch                          &amp;pa= Patchs[j];
00483                 pa.release();
00484         }
00485 
00486 
00487         <font class="comment">// destroy/unlink the base vertices (internal..), according to present neigbor zones.</font>
00488         <font class="comment">//=================================</font>
00489         <font class="comment">// Just release the smartptrs (easy!!). Do it after patchs released...</font>
00490         BaseVertices.clear();
00491         
00492 
00493         <font class="comment">// End!!</font>
00494         Compiled= <font class="keyword">false</font>;
00495         Landscape= NULL;
00496 }
00497 
00498 
00499 <font class="comment">// ***************************************************************************</font>
00500 <font class="comment">// ***************************************************************************</font>
00501 <font class="comment">// Private part.</font>
00502 <font class="comment">// ***************************************************************************</font>
00503 <font class="comment">// ***************************************************************************</font>
00504 
00505 
00506 <font class="comment">// ***************************************************************************</font>
<a name="l00507"></a><a class="code" href="class_NL3D__CZone.html#c0">00507</a> <font class="keywordtype">void</font>                    CZone::rebindBorder(TZoneMap &amp;loadedZones)<font class="keyword">
</font>00508 <font class="keyword"></font>{
00509         sint    j;
00510 
00511         <font class="comment">// rebind patchs which are on border.</font>
00512         <font class="keywordflow">for</font>(j=0;j&lt;(sint)Patchs.size();j++)
00513         {
00514                 CPatch                          &amp;pa= Patchs[j];
00515                 CPatchConnect           &amp;pc= PatchConnects[j];
00516 
00517                 <font class="keywordflow">if</font>(patchOnBorder(pc))
00518                         bindPatch(loadedZones, pa, pc);
00519         }
00520 }
00521 
00522 <font class="comment">// ***************************************************************************</font>
<a name="l00523"></a><a class="code" href="class_NL3D__CZone.html#f0">00523</a> CPatch          *CZone::getZonePatch(TZoneMap &amp;loadedZones, sint zoneId, sint patch)<font class="keyword">
</font>00524 <font class="keyword"></font>{
00525 <font class="preprocessor">#ifdef NL3D_DEBUG_DONT_BIND_PATCH
</font>00526 <font class="preprocessor"></font>        <font class="keywordflow">return</font> NULL;
00527 <font class="preprocessor">#endif
</font>00528 <font class="preprocessor"></font>        <font class="keywordflow">if</font>(loadedZones.find(zoneId)==loadedZones.end())
00529                 <font class="keywordflow">return</font> NULL;
00530         <font class="keywordflow">else</font>
00531                 <font class="keywordflow">return</font> (loadedZones[zoneId])-&gt;getPatch(patch);
00532 }
00533 
00534 
00535 <font class="comment">// ***************************************************************************</font>
<a name="l00536"></a><a class="code" href="class_NL3D__CZone.html#f1">00536</a> <font class="keywordtype">void</font>            CZone::unbindAndMakeBindInfo(TZoneMap &amp;loadedZones, CPatch &amp;pa, CPatchConnect &amp;pc, CPatch::CBindInfo    edges[4])<font class="keyword">
</font>00537 <font class="keyword"></font>{
00538         CPatch  *exceptions[4]= {NULL, NULL, NULL, NULL};
00539 
00540         <font class="comment">/*
</font>00541 <font class="comment">                Remind: the old version with CPatch::unbindFrom*() doesn't work because of CZone::release(). This function
</font>00542 <font class="comment">                first erase the zone from loadedZones...
</font>00543 <font class="comment">                Not matter here. We use CPatch::unbind() which should do all the good job correctly (unbind pa from ohters
</font>00544 <font class="comment">                , and unbind others from pa at same time).
</font>00545 <font class="comment">        */</font>
00546 
00547         <font class="comment">// Fill all edges.</font>
00548         <font class="keywordflow">for</font>(sint i=0;i&lt;4;i++)
00549         {
00550                 CPatchInfo::CBindInfo   &amp;pcBind= pc.BindEdges[i];
00551                 CPatch::CBindInfo               &amp;paBind= edges[i];
00552 
00553                 <a class="code" href="debug_h.html#a6">nlassert</a>(pcBind.NPatchs==0 || pcBind.NPatchs==1 || pcBind.NPatchs==2 || pcBind.NPatchs==4 || pcBind.NPatchs==5);
00554                 paBind.NPatchs= pcBind.NPatchs;
00555 
00556                 <font class="comment">// Special case of a small patch connected to a bigger.</font>
00557                 <font class="keywordflow">if</font>(paBind.NPatchs==5)
00558                 {
00559                         <font class="comment">// In this case, neither the unbind must not be done, nor the bind.</font>
00560                         exceptions[i]= CZone::getZonePatch(loadedZones, pcBind.ZoneId, pcBind.Next[0]);
00561                         <font class="comment">// This code prevent the bind in CPatch::bind() to be done!!</font>
00562                         <font class="comment">// The bind must not be done, since exceptions[] prevent the unbind!</font>
00563                         paBind.NPatchs=0;
00564                         <font class="keywordflow">continue</font>;
00565                 }
00566 
00567 
00568                 <font class="keywordflow">if</font>(paBind.NPatchs&gt;=1)
00569                 {
00570                         paBind.Edge[0]= pcBind.Edge[0];
00571                         paBind.Next[0]= CZone::getZonePatch(loadedZones, pcBind.ZoneId, pcBind.Next[0]);
00572                         <font class="comment">// If not loaded, don't bind to this edge.</font>
00573                         <font class="keywordflow">if</font>(!paBind.Next[0])
00574                                 paBind.NPatchs=0;
00575                 }
00576                 <font class="keywordflow">if</font>(paBind.NPatchs&gt;=2)
00577                 {
00578                         paBind.Edge[1]= pcBind.Edge[1];
00579                         paBind.Next[1]= CZone::getZonePatch(loadedZones, pcBind.ZoneId, pcBind.Next[1]);
00580                         <font class="comment">// If not loaded, don't bind to this edge.</font>
00581                         <font class="keywordflow">if</font>(!paBind.Next[1])
00582                                 paBind.NPatchs=0;
00583                 }
00584                 <font class="keywordflow">if</font>(paBind.NPatchs&gt;=4)
00585                 {
00586                         paBind.Edge[2]= pcBind.Edge[2];
00587                         paBind.Edge[3]= pcBind.Edge[3];
00588                         paBind.Next[2]= CZone::getZonePatch(loadedZones, pcBind.ZoneId, pcBind.Next[2]);
00589                         paBind.Next[3]= CZone::getZonePatch(loadedZones, pcBind.ZoneId, pcBind.Next[3]);
00590                         <font class="comment">// If not loaded, don't bind to this edge.</font>
00591                         <font class="keywordflow">if</font>(!paBind.Next[2] || !paBind.Next[3])
00592                                 paBind.NPatchs=0;
00593                 }
00594         }
00595 
00596         pa.unbind(exceptions);
00597 }
00598 
00599 <font class="comment">// ***************************************************************************</font>
<a name="l00600"></a><a class="code" href="class_NL3D__CZone.html#f3">00600</a> <font class="keywordtype">void</font>            CZone::bindPatch(TZoneMap &amp;loadedZones, CPatch &amp;pa, CPatchConnect &amp;pc)<font class="keyword">
</font>00601 <font class="keyword"></font>{
00602         CPatch::CBindInfo       edges[4];
00603 
00604         unbindAndMakeBindInfo(loadedZones, pa, pc, edges);
00605 
00606         pa.bind(edges);
00607 }
00608 
00609 
00610 <font class="comment">// ***************************************************************************</font>
<a name="l00611"></a><a class="code" href="class_NL3D__CZone.html#f2">00611</a> <font class="keywordtype">void</font>            CZone::unbindPatch(TZoneMap &amp;loadedZones, CPatch &amp;pa, CPatchConnect &amp;pc)<font class="keyword">
</font>00612 <font class="keyword"></font>{
00613         CPatch::CBindInfo       edges[4];
00614 
00615         unbindAndMakeBindInfo(loadedZones,  pa, pc, edges);
00616 
00617         <font class="comment">// Don't rebind.</font>
00618 }
00619 
00620 
00621 <font class="comment">// ***************************************************************************</font>
<a name="l00622"></a><a class="code" href="class_NL3D__CZone.html#c3">00622</a> <font class="keywordtype">bool</font>                    CZone::patchOnBorder(<font class="keyword">const</font> CPatchConnect &amp;pc)<font class="keyword"> const
</font>00623 <font class="keyword"></font>{
00624         <font class="comment">// If only one of neighbor patch is not of this zone, we are on a border.</font>
00625 
00626         <font class="comment">// Test all edges.</font>
00627         <font class="keywordflow">for</font>(sint i=0;i&lt;4;i++)
00628         {
00629                 <font class="keyword">const</font> CPatchInfo::CBindInfo     &amp;pcBind= pc.BindEdges[i];
00630 
00631                 <a class="code" href="debug_h.html#a6">nlassert</a>(pcBind.NPatchs==0 || pcBind.NPatchs==1 || pcBind.NPatchs==2 || pcBind.NPatchs==4 || pcBind.NPatchs==5);
00632                 <font class="keywordflow">if</font>(pcBind.NPatchs&gt;=1)
00633                 {
00634                         <font class="keywordflow">if</font>(pcBind.ZoneId != ZoneId)
00635                                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00636                 }
00637         }
00638 
00639         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00640 }
00641 
00642 
00643 <font class="comment">// ***************************************************************************</font>
00644 <font class="comment">// ***************************************************************************</font>
00645 <font class="comment">// Render part.</font>
00646 <font class="comment">// ***************************************************************************</font>
00647 <font class="comment">// ***************************************************************************</font>
00648 
00649 
00650 <font class="comment">// ***************************************************************************</font>
<a name="l00651"></a><a class="code" href="class_NL3D__CZone.html#a13">00651</a> <font class="keywordtype">void</font>                    CZone::clip(<font class="keyword">const</font> std::vector&lt;CPlane&gt;   &amp;pyramid)<font class="keyword">
</font>00652 <font class="keyword"></font>{
00653         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00654 
00655         <font class="comment">// Store current pyramid.</font>
00656         CurrentPyramid= pyramid;
00657 
00658         <font class="comment">// Fill ClipResult.</font>
00659         ClipResult= ClipIn;
00660         <font class="keywordflow">for</font>(sint i=0;i&lt;(sint)pyramid.size();i++)
00661         {
00662                 <font class="comment">// If entirely out.</font>
00663                 <font class="keywordflow">if</font>(!ZoneBB.clipBack(pyramid[i]))
00664                 {
00665                         ClipResult= ClipOut;
00666                         <font class="comment">// If out of only one plane, out of all.</font>
00667                         <font class="keywordflow">break</font>;
00668                 }
00669                 <font class="comment">// If partially IN (ie not entirely out, and not entirely IN)</font>
00670                 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(ZoneBB.clipFront(pyramid[i]))
00671                 {
00672                         <font class="comment">// Force ClipResult to be ClipSide, and not ClipIn.</font>
00673                         ClipResult=ClipSide;
00674                 }
00675         }
00676 
00677         <font class="comment">// Fill computeTileErrorMetric.</font>
00678         CBSphere                zonesphere(ZoneBB.getCenter(), ZoneBB.getRadius());
00679         <font class="keywordflow">if</font>(zonesphere.intersect(CTessFace::TileFarSphere))
00680                 ComputeTileErrorMetric= <font class="keyword">true</font>;
00681         <font class="keywordflow">else</font>
00682                 ComputeTileErrorMetric= <font class="keyword">false</font>;
00683 
00684         <font class="comment">// Easy Clip  :)</font>
00685         <font class="keywordflow">if</font>(Patchs.size()==0)
00686         {
00687                 ClipResult= ClipOut;
00688         }
00689 
00690 
00691         <font class="comment">// Clip By Patch Pass.</font>
00692         <font class="comment">//--------------------</font>
00693         <font class="keywordflow">if</font>(ClipResult==ClipOut)
00694         {
00695                 CPatch          *pPatch= &amp;(*Patchs.begin());
00696                 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00697                 {
00698                         pPatch-&gt;forceClip();
00699                 }
00700         }
00701         <font class="keywordflow">else</font> <font class="keywordflow">if</font>(ClipResult==ClipIn)
00702         {
00703                 CPatch          *pPatch= &amp;(*Patchs.begin());
00704                 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00705                 {
00706                         pPatch-&gt;forceNoClip();
00707                 }
00708         }
00709         <font class="keywordflow">else</font>
00710         {
00711                 CPatch          *pPatch= &amp;(*Patchs.begin());
00712                 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00713                 {
00714                         pPatch-&gt;clip(CurrentPyramid);
00715                 }
00716         }
00717 
00718 }
00719 
00720 
00721 <font class="comment">// ***************************************************************************</font>
00722 <font class="comment">// DebugYoyo.</font>
00723 <font class="comment">// Code for Debug test Only.. Do not erase it, may be used later :)</font>
00724 <font class="comment">/*
</font>00725 <font class="comment">static  void    cleanTess(CTessFace *face)
</font>00726 <font class="comment">{
</font>00727 <font class="comment">        if(!face-&gt;isLeaf())
</font>00728 <font class="comment">        {
</font>00729 <font class="comment">                cleanTess(face-&gt;SonLeft);
</font>00730 <font class="comment">                cleanTess(face-&gt;SonRight);
</font>00731 <font class="comment">        }
</font>00732 <font class="comment">        // If has father, clean it.
</font>00733 <font class="comment">        if(face-&gt;Father)
</font>00734 <font class="comment">        {
</font>00735 <font class="comment">                CTessFace       *face1=face-&gt;Father;
</font>00736 <font class="comment">                CTessFace       *face2=face-&gt;Father-&gt;FBase;
</font>00737 <font class="comment">                face1-&gt;FLeft= face1-&gt;SonLeft-&gt;FBase;
</font>00738 <font class="comment">                face1-&gt;FRight= face1-&gt;SonRight-&gt;FBase;
</font>00739 <font class="comment">                if(face2!=NULL)
</font>00740 <font class="comment">                {
</font>00741 <font class="comment">                        face2-&gt;FLeft= face2-&gt;SonLeft-&gt;FBase;
</font>00742 <font class="comment">                        face2-&gt;FRight= face2-&gt;SonRight-&gt;FBase;
</font>00743 <font class="comment">                }
</font>00744 <font class="comment">        }
</font>00745 <font class="comment">}
</font>00746 <font class="comment">static  void    testTess(CTessFace *face)
</font>00747 <font class="comment">{
</font>00748 <font class="comment">        if(!face-&gt;isLeaf())
</font>00749 <font class="comment">        {
</font>00750 <font class="comment">                testTess(face-&gt;SonLeft);
</font>00751 <font class="comment">                testTess(face-&gt;SonRight);
</font>00752 <font class="comment">        }
</font>00753 <font class="comment">        // Test validity.
</font>00754 <font class="comment">        nlassert(!face-&gt;FBase || face-&gt;FBase-&gt;Patch!=(CPatch*)0xdddddddd);
</font>00755 <font class="comment">        nlassert(!face-&gt;FLeft || face-&gt;FLeft-&gt;Patch!=(CPatch*)0xdddddddd);
</font>00756 <font class="comment">        nlassert(!face-&gt;FRight || face-&gt;FRight-&gt;Patch!=(CPatch*)0xdddddddd);
</font>00757 <font class="comment">}
</font>00758 <font class="comment">static  void    checkTess()
</font>00759 <font class="comment">{
</font>00760 <font class="comment">        // This test should be inserted at begin of CZone::refine().
</font>00761 <font class="comment">        // And it needs hacking public/private.
</font>00762 <font class="comment">        CPatch          *pPatch;
</font>00763 <font class="comment">        sint            n;
</font>00764 <font class="comment">        pPatch= &amp;(*Patchs.begin());
</font>00765 <font class="comment">        for(n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
</font>00766 <font class="comment">        {
</font>00767 <font class="comment">                cleanTess(pPatch-&gt;Son0);
</font>00768 <font class="comment">                cleanTess(pPatch-&gt;Son1);
</font>00769 <font class="comment">        }
</font>00770 <font class="comment">        pPatch= &amp;(*Patchs.begin());
</font>00771 <font class="comment">        for(n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
</font>00772 <font class="comment">        {
</font>00773 <font class="comment">                testTess(pPatch-&gt;Son0);
</font>00774 <font class="comment">                testTess(pPatch-&gt;Son1);
</font>00775 <font class="comment">        }
</font>00776 <font class="comment">}
</font>00777 <font class="comment">*/</font>
00778 
00779 
00780 <font class="comment">// ***************************************************************************</font>
00781 <font class="comment">// DebugYoyo.</font>
00782 <font class="comment">//volatile sint pipo1;</font>
00783 <font class="comment">//volatile sint pipo2;</font>
<a name="l00784"></a><a class="code" href="class_NL3D__CZone.html#a14">00784</a> <font class="keywordtype">void</font>                    CZone::refine()<font class="keyword">
</font>00785 <font class="keyword"></font>{
00786         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00787         <font class="comment">// Must be 2^X-1.</font>
00788         <font class="keyword">static</font> <font class="keyword">const</font>    sint    hideRefineFreq= 15;
00789 
00790         <font class="comment">// DebugYoyo.</font>
00791         <font class="comment">// For the monkey bind test.</font>
00792         <font class="comment">/*extern sint numFrames;
</font>00793 <font class="comment">        pipo1=(rand()&gt;&gt;12)&amp;1;
</font>00794 <font class="comment">        pipo2=(rand()&gt;&gt;12)&amp;1;
</font>00795 <font class="comment">        //if(pipo1 &amp;&amp; numFrames&gt;1360)
</font>00796 <font class="comment">        if(true)
</font>00797 <font class="comment">        {
</font>00798 <font class="comment">                TZoneMap        pipoMap;
</font>00799 <font class="comment">                pipoMap[ZoneId]= this;
</font>00800 <font class="comment">                bindPatch(pipoMap, Patchs[0], PatchConnects[0]);
</font>00801 <font class="comment">        }*/</font>
00802 
00803         
00804         <font class="comment">// Force refine of invisible zones only every 8 times.</font>
00805         <font class="keywordflow">if</font>(ClipResult==ClipOut &amp;&amp; (CTessFace::CurrentDate &amp; hideRefineFreq)!=(ZoneId &amp; hideRefineFreq))
00806                 <font class="keywordflow">return</font>;
00807         <font class="comment">// Fuck stlport....</font>
00808         <font class="keywordflow">if</font>(Patchs.size()==0)
00809                 <font class="keywordflow">return</font>;
00810 
00811         CPatch          *pPatch= &amp;(*Patchs.begin());
00812         <font class="keywordflow">if</font>(ClipResult==ClipSide)
00813         {
00814                 <font class="comment">// Force refine of invisible patchs only every 16 times.</font>
00815                 <font class="comment">// NB: do this only if zone is clipSide</font>
00816                 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00817                 {
00818                         <font class="comment">// "ZoneId+n", because there is only 70 approx patchs per zone. doing this may stabilize framerate.</font>
00819                         <font class="keywordflow">if</font>(pPatch-&gt;isClipped() &amp;&amp; (CTessFace::CurrentDate &amp; hideRefineFreq)!=((ZoneId+n) &amp; hideRefineFreq))
00820                                 <font class="keywordflow">continue</font>;
00821                         pPatch-&gt;refine();
00822                 }
00823         }
00824         <font class="keywordflow">else</font>
00825         {
00826                 <font class="comment">// Else refine ALL patchs (even those which may be invisible).</font>
00827                 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00828                 {
00829                         pPatch-&gt;refine();
00830                 }
00831         }
00832 
00833 }
00834 <font class="comment">// ***************************************************************************</font>
<a name="l00835"></a><a class="code" href="class_NL3D__CZone.html#a21">00835</a> <font class="keywordtype">void</font>                    CZone::refineAll()<font class="keyword">
</font>00836 <font class="keyword"></font>{
00837         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00838 
00839         <font class="comment">// Fuck stlport....</font>
00840         <font class="keywordflow">if</font>(Patchs.size()==0)
00841                 <font class="keywordflow">return</font>;
00842 
00843         <font class="comment">// Do a dummy clip.</font>
00844         ComputeTileErrorMetric= <font class="keyword">true</font>;
00845         ClipResult= ClipIn;
00846         CPatch          *pPatch= &amp;(*Patchs.begin());
00847         sint n;
00848         <font class="keywordflow">for</font>(n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00849         {
00850                 pPatch-&gt;forceNoClip();
00851         }
00852 
00853 
00854         <font class="comment">// refine ALL patchs (even those which may be invisible).</font>
00855         pPatch= &amp;(*Patchs.begin());
00856         <font class="keywordflow">for</font>(n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00857         {
00858                 pPatch-&gt;refine();
00859         }
00860 
00861 }
00862 
00863 <font class="comment">// ***************************************************************************</font>
<a name="l00864"></a><a class="code" href="class_NL3D__CZone.html#a15">00864</a> <font class="keywordtype">void</font>                    CZone::preRender(<font class="keyword">const</font> std::vector&lt;CPlane&gt;      &amp;pyramid)<font class="keyword">
</font>00865 <font class="keyword"></font>{
00866         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00867         <font class="keywordflow">if</font>(ClipResult==ClipOut)
00868                 <font class="keywordflow">return</font>;
00869 
00870         <font class="comment">// PreRender Pass.</font>
00871         CPatch          *pPatch= &amp;(*Patchs.begin());
00872         <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00873         {
00874                 pPatch-&gt;preRender(pyramid);
00875         }
00876 }
00877 <font class="comment">// ***************************************************************************</font>
<a name="l00878"></a><a class="code" href="class_NL3D__CZone.html#a16">00878</a> <font class="keywordtype">void</font>                    CZone::renderFar0()<font class="keyword">
</font>00879 <font class="keyword"></font>{
00880         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00881         <font class="keywordflow">if</font>(ClipResult==ClipOut)
00882                 <font class="keywordflow">return</font>;
00883 
00884         <font class="comment">// RenderFar0.</font>
00885         CPatch          *pPatch= &amp;(*Patchs.begin());
00886         <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00887         {
00888                 pPatch-&gt;renderFar0();
00889         }
00890 }
00891 <font class="comment">// ***************************************************************************</font>
<a name="l00892"></a><a class="code" href="class_NL3D__CZone.html#a17">00892</a> <font class="keywordtype">void</font>                    CZone::renderFar1()<font class="keyword">
</font>00893 <font class="keyword"></font>{
00894         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00895         <font class="keywordflow">if</font>(ClipResult==ClipOut)
00896                 <font class="keywordflow">return</font>;
00897 
00898         <font class="comment">// RenderFar1.</font>
00899         CPatch          *pPatch= &amp;(*Patchs.begin());
00900         <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00901         {
00902                 pPatch-&gt;renderFar1();
00903         }
00904 }
00905 <font class="comment">// ***************************************************************************</font>
<a name="l00906"></a><a class="code" href="class_NL3D__CZone.html#a18">00906</a> <font class="keywordtype">void</font>                    CZone::renderTile(sint pass)<font class="keyword">
</font>00907 <font class="keyword"></font>{
00908         <a class="code" href="debug_h.html#a6">nlassert</a>(Compiled);
00909         <font class="keywordflow">if</font>(ClipResult==ClipOut)
00910                 <font class="keywordflow">return</font>;
00911 
00912         <font class="comment">// RenderTile.</font>
00913         CPatch          *pPatch= &amp;(*Patchs.begin());
00914         <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00915         {
00916                 pPatch-&gt;renderTile(pass);
00917         }
00918 }
00919 
00920 
00921 <font class="comment">// ***************************************************************************</font>
<a name="l00922"></a><a class="code" href="class_NL3D__CZone.html#a19">00922</a> <font class="keywordtype">void</font>                    CZone::resetRenderFar()<font class="keyword">
</font>00923 <font class="keyword"></font>{
00924         CPatch          *pPatch= &amp;(*Patchs.begin());
00925         <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00926         {
00927                 pPatch-&gt;resetRenderFar();
00928         }
00929 }
00930 
00931 
00932 <font class="comment">// ***************************************************************************</font>
<a name="l00933"></a><a class="code" href="class_NL3D__CZone.html#a20">00933</a> <font class="keywordtype">void</font>                    CZone::forceMergeAtTileLevel()<font class="keyword">
</font>00934 <font class="keyword"></font>{
00935         CPatch          *pPatch= &amp;(*Patchs.begin());
00936         <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n&gt;0;n--, pPatch++)
00937         {
00938                 pPatch-&gt;forceMergeAtTileLevel();
00939         }
00940 }
00941 
00942 
00943 <font class="comment">// ***************************************************************************</font>
00944 <font class="comment">// ***************************************************************************</font>
00945 <font class="comment">// Misc part.</font>
00946 <font class="comment">// ***************************************************************************</font>
00947 <font class="comment">// ***************************************************************************</font>
00948 
00949 
00950 <font class="comment">// ***************************************************************************</font>
<a name="l00951"></a><a class="code" href="class_NL3D__CZone.html#a9">00951</a> <font class="keywordtype">void</font>                    CZone::changePatchTextureAndColor (sint numPatch, <font class="keyword">const</font> std::vector&lt;CTileElement&gt; *tiles, <font class="keyword">const</font> std::vector&lt;CTileColor&gt; *colors)<font class="keyword">
</font>00952 <font class="keyword"></font>{
00953         <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch&gt;=0);
00954         <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch&lt;getNumPatchs());
00955         
00956 
00957         <font class="comment">// Update the patch texture.</font>
00958         <font class="keywordflow">if</font> (tiles)
00959         {
00960                 <a class="code" href="debug_h.html#a6">nlassert</a>( Patchs[numPatch].Tiles.size() == tiles-&gt;size() );
00961                 Patchs[numPatch].Tiles = *tiles;
00962         }
00963 
00964         <font class="comment">// Update the patch colors.</font>
00965         <font class="keywordflow">if</font> (colors)
00966         {
00967                 <a class="code" href="debug_h.html#a6">nlassert</a>( Patchs[numPatch].TileColors.size() == colors-&gt;size() );
00968                 Patchs[numPatch].TileColors = *colors;
00969         }
00970 
00971         <font class="keywordflow">if</font> (Compiled&amp;&amp;(tiles||colors))
00972         {
00973                 Patchs[numPatch].deleteTileUvs();
00974                 Patchs[numPatch].recreateTileUvs();
00975         }
00976 }
00977 
00978 
00979 <font class="comment">// ***************************************************************************</font>
<a name="l00980"></a><a class="code" href="class_NL3D__CZone.html#a10">00980</a> <font class="keyword">const</font> std::vector&lt;CTileElement&gt; &amp;CZone::getPatchTexture(sint numPatch)<font class="keyword"> const
</font>00981 <font class="keyword"></font>{
00982         <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch&gt;=0);
00983         <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch&lt;getNumPatchs());
00984 
00985         <font class="comment">// Update the patch texture.</font>
00986         <font class="keywordflow">return</font> Patchs[numPatch].Tiles;
00987 }
00988 
00989 
00990 <font class="comment">// ***************************************************************************</font>
<a name="l00991"></a><a class="code" href="class_NL3D__CZone.html#a11">00991</a> <font class="keyword">const</font> std::vector&lt;CTileColor&gt; &amp;CZone::getPatchColor(sint numPatch)<font class="keyword"> const
</font>00992 <font class="keyword"></font>{
00993         <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch&gt;=0);
00994         <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch&lt;getNumPatchs());
00995 
00996         <font class="comment">// Update the patch texture.</font>
00997         <font class="keywordflow">return</font> Patchs[numPatch].TileColors;
00998 }
00999 
01000 
01001 <font class="comment">// ***************************************************************************</font>
<a name="l01002"></a><a class="code" href="class_NL3D__CZone.html#a5">01002</a> <font class="keywordtype">void</font>                    CZone::debugBinds(FILE *f)<font class="keyword">
</font>01003 <font class="keyword"></font>{
01004         fprintf(f, <font class="stringliteral">"*****************************\n"</font>);
01005         fprintf(f, <font class="stringliteral">"ZoneId: %d. NPatchs:%d\n"</font>, ZoneId, PatchConnects.size());
01006         sint i;
01007         <font class="keywordflow">for</font>(i=0;i&lt;(sint)PatchConnects.size();i++)
01008         {
01009                 CPatchConnect   &amp;pc= PatchConnects[i];
01010                 fprintf(f, <font class="stringliteral">"patch%d:\n"</font>, i);
01011                 <font class="keywordflow">for</font>(sint j=0;j&lt;4;j++)
01012                 {
01013                         CPatchInfo::CBindInfo   &amp;bd= pc.BindEdges[j];
01014                         fprintf(f, <font class="stringliteral">"    edge%d: Zone:%d. NPatchs:%d. "</font>, j, bd.ZoneId, bd.NPatchs);
01015                         <font class="keywordflow">for</font>(sint k=0;k&lt;bd.NPatchs;k++)
01016                         {
01017                                 fprintf(f, <font class="stringliteral">"p%de%d - "</font>, bd.Next[k], bd.Edge[k]);
01018                         }
01019                         fprintf(f, <font class="stringliteral">"\n"</font>);
01020                 }
01021         }
01022 
01023         fprintf(f,<font class="stringliteral">"Vertices :\n"</font>);
01024         <font class="keywordflow">for</font>(i=0;i&lt;(sint)BorderVertices.size();i++)
01025         {
01026                 fprintf(f,<font class="stringliteral">"current : %d -&gt; (zone %d) vertex %d\n"</font>,BorderVertices[i].CurrentVertex,
01027                                                                                         BorderVertices[i].NeighborZoneId,
01028                                                                                         BorderVertices[i].NeighborVertex);
01029         }
01030 }
01031 
01032 
01033 <font class="comment">// ***************************************************************************</font>
<a name="l01034"></a><a class="code" href="class_NL3D__CZone.html#a30">01034</a> <font class="keywordtype">void</font>                    CZone::applyHeightField(<font class="keyword">const</font> CLandscape &amp;landScape)<font class="keyword">
</font>01035 <font class="keyword"></font>{
01036         sint    i,j;
01037         vector&lt;CBezierPatch&gt;    patchs;
01038 
01039         <font class="comment">// no patch, do nothing.</font>
01040         <font class="keywordflow">if</font>(Patchs.size()==0)
01041                 <font class="keywordflow">return</font>;
01042 
01043         <font class="comment">// 0. Unpack patchs to Bezier Patchs.</font>
01044         <font class="comment">//===================================</font>
01045         patchs.resize(Patchs.size());
01046         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
01047         {
01048                 CBezierPatch            &amp;p= patchs[j];
01049                 CPatch                          &amp;pa= Patchs[j];
01050 
01051                 <font class="comment">// re-Build the uncompressed bezier patch.</font>
01052                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01053                         pa.Vertices[i].unpack(p.Vertices[i], PatchBias, PatchScale);
01054                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
01055                         pa.Tangents[i].unpack(p.Tangents[i], PatchBias, PatchScale);
01056                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01057                         pa.Interiors[i].unpack(p.Interiors[i], PatchBias, PatchScale);
01058         }
01059 
01060         <font class="comment">// 1. apply heightfield on bezier patchs.</font>
01061         <font class="comment">//===================================</font>
01062         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
01063         {
01064                 CBezierPatch            &amp;p= patchs[j];
01065 
01066                 <font class="comment">// apply delta.</font>
01067                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01068                         p.Vertices[i]+= landScape.getHeightFieldDeltaZ(p.Vertices[i].x, p.Vertices[i].y);
01069                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
01070                         p.Tangents[i]+= landScape.getHeightFieldDeltaZ(p.Tangents[i].x, p.Tangents[i].y);
01071                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01072                         p.Interiors[i]+= landScape.getHeightFieldDeltaZ(p.Interiors[i].x, p.Interiors[i].y);
01073         }
01074 
01075 
01076         <font class="comment">// 2. Re-compute Patch Scale/Bias, and Zone BBox.</font>
01077         <font class="comment">//===================================</font>
01078         CAABBox         bb;
01079         bb.setCenter(patchs[0].Vertices[0]);
01080         bb.setHalfSize(CVector::Null);
01081         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
01082         {
01083                 <font class="comment">// extend bbox.</font>
01084                 <font class="keyword">const</font> CBezierPatch      &amp;p= patchs[j];
01085                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01086                         bb.extend(p.Vertices[i]);
01087                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
01088                         bb.extend(p.Tangents[i]);
01089                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01090                         bb.extend(p.Interiors[i]);
01091         }
01092         <font class="comment">// Compute BBox, and Patch Scale Bias, according to Noise.</font>
01093         computeBBScaleBias(bb);
01094 
01095 
01096         <font class="comment">// 3. Re-pack patchs.</font>
01097         <font class="comment">//===================================</font>
01098         <font class="keywordflow">for</font>(j=0;j&lt;(sint)patchs.size();j++)
01099         {
01100                 CBezierPatch            &amp;p= patchs[j];
01101                 CPatch                          &amp;pa= Patchs[j];
01102 
01103                 <font class="comment">// Build the packed patch.</font>
01104                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01105                         pa.Vertices[i].pack(p.Vertices[i], PatchBias, PatchScale);
01106                 <font class="keywordflow">for</font>(i=0;i&lt;8;i++)
01107                         pa.Tangents[i].pack(p.Tangents[i], PatchBias, PatchScale);
01108                 <font class="keywordflow">for</font>(i=0;i&lt;4;i++)
01109                         pa.Interiors[i].pack(p.Interiors[i], PatchBias, PatchScale);
01110         }
01111 }
01112 
01113 
01114 
01115 } <font class="comment">// NL3D</font>
</div></pre>

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