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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 &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<CPatchInfo> &patchs, <font class="keyword">const</font> std::vector<CBorderVertex> &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<(sint)patchs.size();j++)
00092 {
00093 <font class="keyword">const</font> CBezierPatch &p= patchs[j].Patch;
00094 <font class="keywordflow">for</font>(i=0;i<4;i++)
00095 bb.extend(p.Vertices[i]);
00096 <font class="keywordflow">for</font>(i=0;i<8;i++)
00097 bb.extend(p.Tangents[i]);
00098 <font class="keywordflow">for</font>(i=0;i<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<(sint)patchs.size();j++)
00111 {
00112 <font class="keyword">const</font> CPatchInfo &pi= patchs[j];
00113 <font class="keyword">const</font> CBezierPatch &p= pi.Patch;
00114 CPatch &pa= Patchs[j];
00115 CPatchConnect &pc= PatchConnects[j];
00116
00117 <font class="comment">// Smoothing flags</font>
00118 pa.Flags&=~NL_PATCH_SMOOTH_FLAG_MASK;
00119 pa.Flags|=NL_PATCH_SMOOTH_FLAG_MASK&(pi.Flags<<NL_PATCH_SMOOTH_FLAG_SHIFT);
00120
00121 <font class="comment">// Build the patch.</font>
00122 <font class="keywordflow">for</font>(i=0;i<4;i++)
00123 pa.Vertices[i].pack(p.Vertices[i], PatchBias, PatchScale);
00124 <font class="keywordflow">for</font>(i=0;i<8;i++)
00125 pa.Tangents[i].pack(p.Tangents[i], PatchBias, PatchScale);
00126 <font class="keywordflow">for</font>(i=0;i<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 (&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<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<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<CPatchInfo> &patchs, std::vector<CBorderVertex> &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<(sint)patchs.size();j++)
00177 {
00178 CPatchInfo &pi= patchs[j];
00179 CBezierPatch &p= pi.Patch;
00180 CPatch &pa= Patchs[j];
00181 CPatchConnect &pc= PatchConnects[j];
00182
00183 <font class="comment">// re-Build the uncompressed bezier patch.</font>
00184 <font class="keywordflow">for</font>(i=0;i<4;i++)
00185 pa.Vertices[i].unpack(p.Vertices[i], PatchBias, PatchScale);
00186 <font class="keywordflow">for</font>(i=0;i<8;i++)
00187 pa.Tangents[i].unpack(p.Tangents[i], PatchBias, PatchScale);
00188 <font class="keywordflow">for</font>(i=0;i<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 (&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<4;i++)
00202 {
00203 pi.BaseVertices[i]= pc.BaseVertices[i];
00204 }
00205 <font class="keywordflow">for</font>(i=0;i<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 &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> &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> &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<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> &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<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<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> &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>() && ver<2)
00292 {
00293 <font class="keywordflow">for</font>(sint j=0;j<(sint)Patchs.size();j++)
00294 {
00295 CPatch &pa= Patchs[j];
00296 CPatchConnect &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<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<(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<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 &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<(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<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->getBaseVertex(vertto);
00366 }
00367 }
00368 <font class="comment">// Else, create unbounded vertices.</font>
00369 <font class="keywordflow">for</font>(i=0;i<(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<(sint)Patchs.size();j++)
00381 {
00382 CPatch &pa= Patchs[j];
00383 CPatchConnect &pc= PatchConnects[j];
00384 CTessVertex *baseVertices[4];
00385
00386 baseVertices[0]= &(BaseVertices[pc.BaseVertices[0]]->Vert);
00387 baseVertices[1]= &(BaseVertices[pc.BaseVertices[1]]->Vert);
00388 baseVertices[2]= &(BaseVertices[pc.BaseVertices[2]]->Vert);
00389 baseVertices[3]= &(BaseVertices[pc.BaseVertices[3]]->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<(sint)Patchs.size();j++)
00396 {
00397 CPatch &pa= Patchs[j];
00398 CPatchConnect &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->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 &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<(sint)Patchs.size();j++)
00435 {
00436 CPatch &pa= Patchs[j];
00437 CPatchConnect &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<(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<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->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<(sint)Patchs.size();j++)
00481 {
00482 CPatch &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 &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<(sint)Patchs.size();j++)
00513 {
00514 CPatch &pa= Patchs[j];
00515 CPatchConnect &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 &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])->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 &loadedZones, CPatch &pa, CPatchConnect &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<4;i++)
00549 {
00550 CPatchInfo::CBindInfo &pcBind= pc.BindEdges[i];
00551 CPatch::CBindInfo &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>=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>=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>=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 &loadedZones, CPatch &pa, CPatchConnect &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 &loadedZones, CPatch &pa, CPatchConnect &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 &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<4;i++)
00628 {
00629 <font class="keyword">const</font> CPatchInfo::CBindInfo &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>=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<CPlane> &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<(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= &(*Patchs.begin());
00696 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00697 {
00698 pPatch->forceClip();
00699 }
00700 }
00701 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(ClipResult==ClipIn)
00702 {
00703 CPatch *pPatch= &(*Patchs.begin());
00704 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00705 {
00706 pPatch->forceNoClip();
00707 }
00708 }
00709 <font class="keywordflow">else</font>
00710 {
00711 CPatch *pPatch= &(*Patchs.begin());
00712 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00713 {
00714 pPatch->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->isLeaf())
</font>00728 <font class="comment"> {
</font>00729 <font class="comment"> cleanTess(face->SonLeft);
</font>00730 <font class="comment"> cleanTess(face->SonRight);
</font>00731 <font class="comment"> }
</font>00732 <font class="comment"> // If has father, clean it.
</font>00733 <font class="comment"> if(face->Father)
</font>00734 <font class="comment"> {
</font>00735 <font class="comment"> CTessFace *face1=face->Father;
</font>00736 <font class="comment"> CTessFace *face2=face->Father->FBase;
</font>00737 <font class="comment"> face1->FLeft= face1->SonLeft->FBase;
</font>00738 <font class="comment"> face1->FRight= face1->SonRight->FBase;
</font>00739 <font class="comment"> if(face2!=NULL)
</font>00740 <font class="comment"> {
</font>00741 <font class="comment"> face2->FLeft= face2->SonLeft->FBase;
</font>00742 <font class="comment"> face2->FRight= face2->SonRight->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->isLeaf())
</font>00749 <font class="comment"> {
</font>00750 <font class="comment"> testTess(face->SonLeft);
</font>00751 <font class="comment"> testTess(face->SonRight);
</font>00752 <font class="comment"> }
</font>00753 <font class="comment"> // Test validity.
</font>00754 <font class="comment"> nlassert(!face->FBase || face->FBase->Patch!=(CPatch*)0xdddddddd);
</font>00755 <font class="comment"> nlassert(!face->FLeft || face->FLeft->Patch!=(CPatch*)0xdddddddd);
</font>00756 <font class="comment"> nlassert(!face->FRight || face->FRight->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= &(*Patchs.begin());
</font>00765 <font class="comment"> for(n=(sint)Patchs.size();n>0;n--, pPatch++)
</font>00766 <font class="comment"> {
</font>00767 <font class="comment"> cleanTess(pPatch->Son0);
</font>00768 <font class="comment"> cleanTess(pPatch->Son1);
</font>00769 <font class="comment"> }
</font>00770 <font class="comment"> pPatch= &(*Patchs.begin());
</font>00771 <font class="comment"> for(n=(sint)Patchs.size();n>0;n--, pPatch++)
</font>00772 <font class="comment"> {
</font>00773 <font class="comment"> testTess(pPatch->Son0);
</font>00774 <font class="comment"> testTess(pPatch->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()>>12)&1;
</font>00794 <font class="comment"> pipo2=(rand()>>12)&1;
</font>00795 <font class="comment"> //if(pipo1 && numFrames>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 && (CTessFace::CurrentDate & hideRefineFreq)!=(ZoneId & 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= &(*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>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->isClipped() && (CTessFace::CurrentDate & hideRefineFreq)!=((ZoneId+n) & hideRefineFreq))
00820 <font class="keywordflow">continue</font>;
00821 pPatch->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>0;n--, pPatch++)
00828 {
00829 pPatch->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= &(*Patchs.begin());
00847 sint n;
00848 <font class="keywordflow">for</font>(n=(sint)Patchs.size();n>0;n--, pPatch++)
00849 {
00850 pPatch->forceNoClip();
00851 }
00852
00853
00854 <font class="comment">// refine ALL patchs (even those which may be invisible).</font>
00855 pPatch= &(*Patchs.begin());
00856 <font class="keywordflow">for</font>(n=(sint)Patchs.size();n>0;n--, pPatch++)
00857 {
00858 pPatch->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<CPlane> &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= &(*Patchs.begin());
00872 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00873 {
00874 pPatch->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= &(*Patchs.begin());
00886 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00887 {
00888 pPatch->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= &(*Patchs.begin());
00900 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00901 {
00902 pPatch->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= &(*Patchs.begin());
00914 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00915 {
00916 pPatch->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= &(*Patchs.begin());
00925 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00926 {
00927 pPatch->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= &(*Patchs.begin());
00936 <font class="keywordflow">for</font>(sint n=(sint)Patchs.size();n>0;n--, pPatch++)
00937 {
00938 pPatch->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<CTileElement> *tiles, <font class="keyword">const</font> std::vector<CTileColor> *colors)<font class="keyword">
</font>00952 <font class="keyword"></font>{
00953 <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch>=0);
00954 <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch<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->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->size() );
00968 Patchs[numPatch].TileColors = *colors;
00969 }
00970
00971 <font class="keywordflow">if</font> (Compiled&&(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<CTileElement> &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>=0);
00983 <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch<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<CTileColor> &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>=0);
00994 <a class="code" href="debug_h.html#a6">nlassert</a>(numPatch<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<(sint)PatchConnects.size();i++)
01008 {
01009 CPatchConnect &pc= PatchConnects[i];
01010 fprintf(f, <font class="stringliteral">"patch%d:\n"</font>, i);
01011 <font class="keywordflow">for</font>(sint j=0;j<4;j++)
01012 {
01013 CPatchInfo::CBindInfo &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<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<(sint)BorderVertices.size();i++)
01025 {
01026 fprintf(f,<font class="stringliteral">"current : %d -> (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 &landScape)<font class="keyword">
</font>01035 <font class="keyword"></font>{
01036 sint i,j;
01037 vector<CBezierPatch> 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<(sint)patchs.size();j++)
01047 {
01048 CBezierPatch &p= patchs[j];
01049 CPatch &pa= Patchs[j];
01050
01051 <font class="comment">// re-Build the uncompressed bezier patch.</font>
01052 <font class="keywordflow">for</font>(i=0;i<4;i++)
01053 pa.Vertices[i].unpack(p.Vertices[i], PatchBias, PatchScale);
01054 <font class="keywordflow">for</font>(i=0;i<8;i++)
01055 pa.Tangents[i].unpack(p.Tangents[i], PatchBias, PatchScale);
01056 <font class="keywordflow">for</font>(i=0;i<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<(sint)patchs.size();j++)
01063 {
01064 CBezierPatch &p= patchs[j];
01065
01066 <font class="comment">// apply delta.</font>
01067 <font class="keywordflow">for</font>(i=0;i<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<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<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<(sint)patchs.size();j++)
01082 {
01083 <font class="comment">// extend bbox.</font>
01084 <font class="keyword">const</font> CBezierPatch &p= patchs[j];
01085 <font class="keywordflow">for</font>(i=0;i<4;i++)
01086 bb.extend(p.Vertices[i]);
01087 <font class="keywordflow">for</font>(i=0;i<8;i++)
01088 bb.extend(p.Tangents[i]);
01089 <font class="keywordflow">for</font>(i=0;i<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<(sint)patchs.size();j++)
01099 {
01100 CBezierPatch &p= patchs[j];
01101 CPatch &pa= Patchs[j];
01102
01103 <font class="comment">// Build the packed patch.</font>
01104 <font class="keywordflow">for</font>(i=0;i<4;i++)
01105 pa.Vertices[i].pack(p.Vertices[i], PatchBias, PatchScale);
01106 <font class="keywordflow">for</font>(i=0;i<8;i++)
01107 pa.Tangents[i].pack(p.Tangents[i], PatchBias, PatchScale);
01108 <font class="keywordflow">for</font>(i=0;i<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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