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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>zone_symmetrisation.cpp</h1><a href="zone__symmetrisation_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000-2002 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font> +00027 <font class="preprocessor">#include "<a class="code" href="zone__symmetrisation_8h.html">3d/zone_symmetrisation.h</a>"</font> +00028 <font class="preprocessor">#include "<a class="code" href="src_23d_2zone_8h.html">3d/zone.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="tile__bank_8h.html">3d/tile_bank.h</a>"</font> +00030 +00031 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00032 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00033 +00034 <font class="keyword">namespace </font>NL3D +00035 { +00036 +00037 <font class="comment">// ***************************************************************************</font> +00038 +<a name="l00039"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a0">00039</a> CZoneSymmetrisation::CZoneSymmetrisation() +00040 { +00041 } +00042 +00043 <font class="comment">// ***************************************************************************</font> +00044 +00045 <font class="comment">/*</font> +00046 <font class="comment">Bit field</font> +00047 <font class="comment"> 1-0 : state layer 0</font> +00048 <font class="comment"> 3-2 : state layer 1</font> +00049 <font class="comment"> 5-4 : state layer 2</font> +00050 <font class="comment"> 7-6 : border state</font> +00051 <font class="comment"> 9-8 : oriented border state</font> +00052 <font class="comment"> 10 : corner flag</font> +00053 <font class="comment">*/</font> +00054 +00055 <font class="comment">// ***************************************************************************</font> +00056 +<a name="l00057"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a1">00057</a> CZoneSymmetrisation::TState CZoneSymmetrisation::getTileState (uint patch, uint tile, uint layer)<font class="keyword"> const</font> +00058 <font class="keyword"></font>{ +00059 <a class="code" href="debug_8h.html#a6">nlassert</a> (layer<5); +00060 <font class="keywordflow">return</font> (TState)((<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>[patch][tile]>>(layer*2))&0x3); +00061 } +00062 +00063 <font class="comment">// ***************************************************************************</font> +00064 +<a name="l00065"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a2">00065</a> CZoneSymmetrisation::TState CZoneSymmetrisation::getTileBorderState (uint patch, uint tile)<font class="keyword"> const</font> +00066 <font class="keyword"></font>{ +00067 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a1">getTileState</a> (patch, tile, 3); +00068 } +00069 +00070 <font class="comment">// ***************************************************************************</font> +00071 +<a name="l00072"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a3">00072</a> CZoneSymmetrisation::TState CZoneSymmetrisation::getOrientedTileBorderState (uint patch, uint tile)<font class="keyword"> const</font> +00073 <font class="keyword"></font>{ +00074 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a1">getTileState</a> (patch, tile, 4); +00075 } +00076 +00077 <font class="comment">// ***************************************************************************</font> +00078 +<a name="l00079"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a4">00079</a> <font class="keywordtype">bool</font> CZoneSymmetrisation::getOrientedTileCorner (uint patch, uint tile) +00080 { +00081 <font class="keywordflow">return</font> ( ( <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>[patch][tile] >> 10 ) & 1 ) != 0; +00082 } +00083 +00084 <font class="comment">// ***************************************************************************</font> +00085 +<a name="l00086"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">00086</a> <font class="keywordtype">void</font> CZoneSymmetrisation::setTileState (uint patch, uint tile, uint layer, TState state) +00087 { +00088 uint16 &ref = <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>[patch][tile]; +00089 ref &= ~(3<<(layer*2)); +00090 ref |= ((uint16)state)<<(layer*2); +00091 } +00092 +00093 <font class="comment">// ***************************************************************************</font> +00094 +<a name="l00095"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c2">00095</a> <font class="keywordtype">void</font> CZoneSymmetrisation::setTileBorderState (uint patch, uint tile, TState state) +00096 { +00097 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (patch, tile, 3, state); +00098 } +00099 +00100 <font class="comment">// ***************************************************************************</font> +00101 +<a name="l00102"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c3">00102</a> <font class="keywordtype">void</font> CZoneSymmetrisation::setOrientedTileBorderState (uint patch, uint tile, TState state) +00103 { +00104 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (patch, tile, 4, state); +00105 } +00106 +00107 <font class="comment">// ***************************************************************************</font> +00108 +<a name="l00109"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c4">00109</a> <font class="keywordtype">void</font> CZoneSymmetrisation::setOrientedTileCorner (uint patch, uint tile, <font class="keywordtype">bool</font> corner) +00110 { +00111 uint16 &ref = <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>[patch][tile]; +00112 ref &= ~(1<<10); +00113 ref |= ((uint16)corner)<<(10); +00114 } +00115 +00116 <font class="comment">// ***************************************************************************</font> +00117 +00118 <font class="comment">/*</font> +00119 <font class="comment"></font> +00120 <font class="comment">REMARKS:</font> +00121 <font class="comment">- I call "isotile" the set of connected tiles in the zone using the same tileset and a continus rotation value.</font> +00122 <font class="comment"></font> +00123 <font class="comment">This method determines the state of each tile in the zone. This state will be used to transform</font> +00124 <font class="comment">the tile during symmetrisation of the zone.</font> +00125 <font class="comment"></font> +00126 <font class="comment">The state can be Regular, Goofy or Nothing.</font> +00127 <font class="comment"></font> +00128 <font class="comment">If the state is Nothing, this tile is in an "isotile" that is not connected to a zone border. No matter the method</font> +00129 <font class="comment">you use to tranform it, it will not influence the neighbor zones.</font> +00130 <font class="comment"></font> +00131 <font class="comment">If the state is Regular, the rotation of this tile after symmetrisation will by given by this formula : tilerot = (4-tilerot)&3</font> +00132 <font class="comment">If the state is Goofy, the rotation of this tile after symmetrisation will by given by this formula : tilerot = (4-tilerot+2)&3</font> +00133 <font class="comment"></font> +00134 <font class="comment">- Getting the state of the tile:</font> +00135 <font class="comment"> - A) We flag all the zone patches as Nothing.</font> +00136 <font class="comment"> - B) We need to select patches having an open edge on the zone border. To do so, we use the snapCell and weldThreshold</font> +00137 <font class="comment"> parameters.</font> +00138 <font class="comment"> - C) Then, for each patches on the zone border, we need to know if they are Goofy or Regular.</font> +00139 <font class="comment"></font> +00140 <font class="comment"> Y</font> +00141 <font class="comment"> </font> +00142 <font class="comment"> /\</font> +00143 <font class="comment"> | </font> +00144 <font class="comment"> | 0 3</font> +00145 <font class="comment"> | *****</font> +00146 <font class="comment"> | * * This patch is regular</font> +00147 <font class="comment"> | * *</font> +00148 <font class="comment"> | *****</font> +00149 <font class="comment"> | 1 2</font> +00150 <font class="comment"> | </font> +00151 <font class="comment"> | 2 1</font> +00152 <font class="comment"> | *****</font> +00153 <font class="comment"> | * * This patch is regular</font> +00154 <font class="comment"> | * *</font> +00155 <font class="comment"> | *****</font> +00156 <font class="comment"> | 3 0</font> +00157 <font class="comment"> | </font> +00158 <font class="comment"> | 3 2</font> +00159 <font class="comment"> | *****</font> +00160 <font class="comment"> | * * This patch is goofy</font> +00161 <font class="comment"> | * *</font> +00162 <font class="comment"> | *****</font> +00163 <font class="comment"> | 0 1</font> +00164 <font class="comment"> | </font> +00165 <font class="comment"> | 1 4</font> +00166 <font class="comment"> | *****</font> +00167 <font class="comment"> | * * This patch is goofy</font> +00168 <font class="comment"> | * *</font> +00169 <font class="comment"> | *****</font> +00170 <font class="comment"> | 2 3</font> +00171 <font class="comment"> -----------------------------------------> X</font> +00172 <font class="comment"></font> +00173 <font class="comment"> - D) We flag each tiles as Nothing</font> +00174 <font class="comment"> - E) We flag each tile on an opened edge using this formula:</font> +00175 <font class="comment"> - If the patch is not Nothing do</font> +00176 <font class="comment"> - tileIsGoofy = (patchIsGoofy) XOR ((tileRotation&1) != 0)</font> +00177 <font class="comment"> - F) Then, we propagate the tile A flag across the tiles in the zone following this rules:</font> +00178 <font class="comment"> - If A is not Nothing do</font> +00179 <font class="comment"> - For each neighbor B of A do</font> +00180 <font class="comment"> - If B is different from A do</font> +00181 <font class="comment"> - If A is Regular (res Goofy), and B is Nothing, B will be Regular (res Goofy)</font> +00182 <font class="comment"> - If A is Regular (res Goofy), and B is Goofy (res Regular), -> Error</font> +00183 <font class="comment"> - Propagate B</font> +00184 <font class="comment">*/</font> +00185 +<a name="l00186"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a5">00186</a> <font class="keywordtype">bool</font> CZoneSymmetrisation::build (<font class="keyword">const</font> std::vector<CPatchInfo> &patchInfo, <font class="keywordtype">float</font> snapCell, <font class="keywordtype">float</font> weldThreshold, <font class="keyword">const</font> CTileBank &bank, CError &errorDesc, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &toOriginalSpace) +00187 { +00188 <font class="comment">// * Clear errors</font> +00189 errorDesc.Errors.clear (); +00190 +00191 <font class="comment">// * Build the patches state</font> +00192 +00193 <font class="comment">// A) Resize arrays</font> +00194 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>.resize (patchInfo.size ()); +00195 +00196 <font class="comment">// D) Resize the tile array</font> +00197 uint i; +00198 <font class="keywordflow">for</font> (i=0; i<patchInfo.size (); i++) +00199 { +00200 <font class="comment">// Ref on the patch</font> +00201 <font class="keyword">const</font> CPatchInfo &patch = patchInfo[i]; +00202 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>[i].resize (0); +00203 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#o0">_TilesLayerStates</a>[i].resize (patch.OrderS * patch.OrderT, 0); +00204 } +00205 +00206 <font class="comment">// B), C) and E) We need to select patches having an open edge on the zone border. To do so, we use the snapCell and weldThreshold parameters</font> +00207 <font class="keywordflow">for</font> (i=0; i<patchInfo.size (); i++) +00208 { +00209 <font class="comment">// Ref on the patch</font> +00210 <font class="keyword">const</font> CPatchInfo &patch = patchInfo[i]; +00211 +00212 <font class="comment">// Does this patch is over a border ?</font> +00213 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3">TState</a> patchState; +00214 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (patch, i, snapCell, weldThreshold, patchState, toOriginalSpace, bank)) +00215 { +00216 <font class="comment">// Push an error</font> +00217 errorDesc.Errors.push_back (<font class="stringliteral">"Patch n°"</font>+toString (i)+<font class="stringliteral">" is invalid"</font>); +00218 } +00219 +00220 <font class="comment">// Set the oriented patch state</font> +00221 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c6">setOrientedTileState</a> (patch, i, snapCell, weldThreshold, patchState, toOriginalSpace, bank)) +00222 { +00223 <font class="comment">// Push an error</font> +00224 errorDesc.Errors.push_back (<font class="stringliteral">"Patch n°"</font>+toString (i)+<font class="stringliteral">" is invalid"</font>); +00225 } +00226 } +00227 +00228 <font class="comment">// F) We flag each tile on an opened edge using this formula</font> +00229 <font class="comment">// - If the patch is not Nothing do</font> +00230 <font class="comment">// - tileIsGoofy = (patchIsGoofy) XOR ((tileRotation&1) != 0)</font> +00231 <font class="keywordflow">for</font> (i=0; i<patchInfo.size (); i++) +00232 { +00233 <font class="comment">// Ref on the patch</font> +00234 <font class="keyword">const</font> CPatchInfo &patch = patchInfo[i]; +00235 +00236 <font class="comment">// For each tile</font> +00237 uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; +00238 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><patch.OrderT; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>++) +00239 { +00240 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><patch.OrderS; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>++) +00241 { +00242 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c0">propagateTileState</a> (i, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, patchInfo, bank, <font class="keyword">false</font>)) +00243 { +00244 <font class="comment">// Push an error</font> +00245 errorDesc.Errors.push_back (<font class="stringliteral">"Error during propagation. Topology invalid."</font>); +00246 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00247 } +00248 } +00249 } +00250 } +00251 +00252 <font class="comment">// G) Force all remaining Nothing tiles to Regular</font> +00253 <font class="keywordflow">for</font> (i=0; i<patchInfo.size (); i++) +00254 { +00255 <font class="comment">// Ref on the patch</font> +00256 <font class="keyword">const</font> CPatchInfo &patch = patchInfo[i]; +00257 +00258 <font class="comment">// For each tile</font> +00259 uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; +00260 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a><patch.OrderT; <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>++) +00261 { +00262 <font class="keywordflow">for</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a><patch.OrderS; <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>++) +00263 { +00264 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c0">propagateTileState</a> (i, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, patchInfo, bank, <font class="keyword">true</font>)) +00265 { +00266 <font class="comment">// Push an error</font> +00267 errorDesc.Errors.push_back (<font class="stringliteral">"Error during propagation. Topology invalid."</font>); +00268 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00269 } +00270 } +00271 } +00272 } +00273 +00274 <font class="comment">// Returns true if no error</font> +00275 <font class="keywordflow">return</font> errorDesc.Errors.size () == 0; +00276 } +00277 +00278 <font class="comment">// ***************************************************************************</font> +00279 +<a name="l00280"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#f0">00280</a> <font class="keywordtype">bool</font> CZoneSymmetrisation::snapOnGrid (<font class="keywordtype">float</font>& <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, <font class="keywordtype">float</font> resolution, <font class="keywordtype">float</font> snap) +00281 { +00282 <font class="comment">// Calc the floor</font> +00283 <font class="keywordtype">float</font> _floor = (float) ( resolution * floor (<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> / resolution) ); +00284 <a class="code" href="debug_8h.html#a6">nlassert</a> (_floor<=<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>); +00285 +00286 <font class="comment">// Calc the remainder</font> +00287 <font class="keywordtype">float</font> remainder = <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> - _floor; +00288 <font class="comment">//nlassert ( (remainder>=0) && (remainder<resolution) );</font> +00289 +00290 <font class="comment">// Check the snape</font> +00291 <font class="keywordflow">if</font> ( remainder <= snap ) +00292 { +00293 <font class="comment">// Flag it</font> +00294 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> = _floor; +00295 +00296 <font class="comment">// Floor is good</font> +00297 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00298 } +00299 <font class="keywordflow">else</font> <font class="keywordflow">if</font> ( (resolution - remainder) <= snap ) +00300 { +00301 <font class="comment">// Flag it</font> +00302 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> = _floor + resolution; +00303 +00304 <font class="comment">// Floor + resolution is good</font> +00305 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00306 } +00307 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00308 } +00309 +00310 <font class="comment">// ***************************************************************************</font> +00311 +<a name="l00312"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c5">00312</a> <font class="keywordtype">bool</font> CZoneSymmetrisation::setTileState (<font class="keyword">const</font> <a class="code" href="structNL3D_1_1CPatchInfo.html">NL3D::CPatchInfo</a> &patch, uint patchId, <font class="keywordtype">float</font> snapCell, <font class="keywordtype">float</font> weldThreshold, TState &state, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &toOriginalSpace, <font class="keyword">const</font> CTileBank &bank) +00313 { +00314 <font class="comment">// Edges state</font> +00315 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3">TState</a> edgesState[4] = { <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a> }; +00316 +00317 <font class="comment">// Vertices position</font> +00318 sint32 vertPosU[4]; +00319 sint32 vertPosV[4]; +00320 +00321 <font class="comment">// For each vertices</font> +00322 uint i; +00323 <font class="keywordflow">for</font> (i=0; i<4; i++) +00324 { +00325 <font class="comment">// Snap the vertex</font> +00326 CVector original = toOriginalSpace * patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_2">Patch</a>.Vertices[i]; +00327 <font class="keywordtype">float</font> valueU = original.x; +00328 <font class="keywordtype">float</font> valueV = original.y; +00329 +00330 <font class="comment">// Snap on U</font> +00331 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#f0">snapOnGrid</a> (valueU, snapCell, weldThreshold)) +00332 vertPosU[i] = (sint32)((valueU+0.5f) / snapCell); +00333 <font class="keywordflow">else</font> +00334 vertPosU[i] = 0x80000000; +00335 +00336 <font class="comment">// Snap on V</font> +00337 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#f0">snapOnGrid</a> (valueV, snapCell, weldThreshold)) +00338 vertPosV[i] = (sint32)((valueV+0.5f) / snapCell); +00339 <font class="keywordflow">else</font> +00340 vertPosV[i] = 0x80000000; +00341 } +00342 +00343 <font class="comment">// Patch flags</font> +00344 <font class="keywordtype">bool</font> regular = <font class="keyword">false</font>; +00345 <font class="keywordtype">bool</font> goofy = <font class="keyword">false</font>; +00346 <font class="keywordtype">bool</font> EdgeSnaped[4] = { <font class="keyword">false</font>, <font class="keyword">false</font>, <font class="keyword">false</font>, <font class="keyword">false</font> }; +00347 +00348 <font class="comment">// For each edges</font> +00349 <font class="keywordflow">for</font> (i=0; i<4; i++) +00350 { +00351 <font class="comment">// Vertex snapped and align on a common axis ?</font> +00352 <font class="keywordflow">if</font> ( (vertPosU[i] != 0x80000000) || (vertPosV[i] != 0x80000000) ) +00353 { +00354 <font class="comment">// Snapped on U or V ?</font> +00355 <font class="keywordtype">bool</font> snapU = (vertPosU[i] == vertPosU[(i+1)&3]) && (vertPosU[i] != 0x80000000); +00356 <font class="keywordtype">bool</font> snapV = (vertPosV[i] == vertPosV[(i+1)&3]) && (vertPosV[i] != 0x80000000); +00357 +00358 <font class="comment">// If snapped on one, continue</font> +00359 <font class="keywordflow">if</font> (snapU || snapV) +00360 { +00361 <font class="comment">// If snap on the both, error</font> +00362 <font class="keywordflow">if</font> (snapU && snapV) +00363 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00364 +00365 <font class="comment">// Is this edge Regular or Goofy ?</font> +00366 <font class="keywordflow">if</font> (snapU) +00367 edgesState[i] = (i&1)?<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s2">Goofy</a>:<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>; +00368 <font class="keywordflow">else</font> <font class="comment">// (snapV)</font> +00369 edgesState[i] = (i&1)?<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>:<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s2">Goofy</a>; +00370 +00371 <font class="comment">// Flag the patch</font> +00372 <font class="keywordflow">if</font> (edgesState[i] == <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>) +00373 regular = <font class="keyword">true</font>; +00374 <font class="keywordflow">else</font> +00375 goofy = <font class="keyword">true</font>; +00376 +00377 <font class="comment">// Edge snaped</font> +00378 EdgeSnaped[i] = <font class="keyword">true</font>; +00379 } +00380 } +00381 } +00382 +00383 <font class="comment">// Goofy and regular ? Error</font> +00384 <font class="keywordflow">if</font> (goofy && regular) +00385 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00386 +00387 <font class="comment">// Nothing ?</font> +00388 <font class="keywordflow">if</font> ((!goofy) && (!regular)) +00389 state = <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>; +00390 <font class="keywordflow">else</font> +00391 { +00392 <font class="comment">// Not nothing ?</font> +00393 state = regular?<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>:<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s2">Goofy</a>; +00394 +00395 <font class="comment">// * Set the tiles</font> +00396 +00397 <font class="comment">// For each edges</font> +00398 <font class="keywordflow">for</font> (i=0; i<4; i++) +00399 { +00400 <font class="comment">// Edge snapped ?</font> +00401 <font class="keywordflow">if</font> (EdgeSnaped[i]) +00402 { +00403 <font class="comment">// For each tiles</font> +00404 uint tileCount = ((i&1)!=0)?patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>:patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_4">OrderT</a>; +00405 sint currentTile; +00406 sint delta; +00407 <font class="keywordflow">switch</font> (i) +00408 { +00409 <font class="keywordflow">case</font> 0: +00410 currentTile = 0; +00411 delta = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>; +00412 <font class="keywordflow">break</font>; +00413 <font class="keywordflow">case</font> 1: +00414 currentTile = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>*(patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_4">OrderT</a>-1); +00415 delta = 1; +00416 <font class="keywordflow">break</font>; +00417 <font class="keywordflow">case</font> 2: +00418 currentTile = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>-1; +00419 delta = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>; +00420 <font class="keywordflow">break</font>; +00421 <font class="keywordflow">case</font> 3: +00422 currentTile = 0; +00423 delta = 1; +00424 <font class="keywordflow">break</font>; +00425 } +00426 uint j; +00427 <font class="keywordflow">for</font> (j=0; j<tileCount; j++) +00428 { +00429 <font class="comment">// Set the border state</font> +00430 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c2">setTileBorderState</a> (patchId, currentTile, state); +00431 +00432 <font class="comment">// For each layer</font> +00433 uint layer; +00434 <font class="keywordflow">for</font> (layer=0; layer<3; layer++) +00435 { +00436 <font class="comment">// Get the tiles set used here</font> +00437 uint tile = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z920_0">Tiles</a>[currentTile].Tile[layer]; +00438 <font class="keywordflow">if</font> (tile != <a class="code" href="tile__element_8h.html#a12">NL_TILE_ELM_LAYER_EMPTY</a>) +00439 { +00440 <font class="keywordtype">int</font> tileSet; +00441 <font class="keywordtype">int</font> number; +00442 CTileBank::TTileType <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>; +00443 bank.getTileXRef (tile, tileSet, number, <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>); +00444 +00445 <font class="comment">// Set it only if not oriented</font> +00446 <font class="keywordflow">if</font> (!bank.getTileSet (tileSet)->getOriented ()) +00447 { +00448 <font class="comment">// Set the tile state</font> +00449 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (patchId, currentTile, layer, state); +00450 } +00451 } +00452 } +00453 +00454 <font class="comment">// Next tile</font> +00455 currentTile += delta; +00456 } +00457 } +00458 } +00459 } +00460 +00461 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00462 } +00463 +00464 <font class="comment">// ***************************************************************************</font> +00465 +<a name="l00466"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c6">00466</a> <font class="keywordtype">bool</font> CZoneSymmetrisation::setOrientedTileState (<font class="keyword">const</font> <a class="code" href="structNL3D_1_1CPatchInfo.html">NL3D::CPatchInfo</a> &patch, uint patchId, <font class="keywordtype">float</font> snapCell, <font class="keywordtype">float</font> weldThreshold, TState &state, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &toOriginalSpace, <font class="keyword">const</font> CTileBank &bank) +00467 { +00468 <font class="comment">// Edges state</font> +00469 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3">TState</a> edgesState[4] = { <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a> }; +00470 +00471 <font class="comment">// Vertices position</font> +00472 sint32 vertPosU[4]; +00473 sint32 vertPosV[4]; +00474 +00475 <font class="comment">// For each vertices</font> +00476 uint i; +00477 <font class="keywordflow">for</font> (i=0; i<4; i++) +00478 { +00479 <font class="comment">// Snap the vertex</font> +00480 CVector original = toOriginalSpace * patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_2">Patch</a>.Vertices[i]; +00481 <font class="keywordtype">float</font> valueU = original.x; +00482 <font class="keywordtype">float</font> valueV = original.y; +00483 +00484 <font class="comment">// Snap on U</font> +00485 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#f0">snapOnGrid</a> (valueU, snapCell, weldThreshold)) +00486 vertPosU[i] = (sint32)((valueU+0.5f) / snapCell); +00487 <font class="keywordflow">else</font> +00488 vertPosU[i] = 0x80000000; +00489 +00490 <font class="comment">// Snap on V</font> +00491 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#f0">snapOnGrid</a> (valueV, snapCell, weldThreshold)) +00492 vertPosV[i] = (sint32)((valueV+0.5f) / snapCell); +00493 <font class="keywordflow">else</font> +00494 vertPosV[i] = 0x80000000; +00495 } +00496 +00497 <font class="comment">// Patch flags</font> +00498 <font class="keywordtype">bool</font> regular = <font class="keyword">false</font>; +00499 <font class="keywordtype">bool</font> goofy = <font class="keyword">false</font>; +00500 <font class="keywordtype">bool</font> EdgeSnaped[4] = { <font class="keyword">false</font>, <font class="keyword">false</font>, <font class="keyword">false</font>, <font class="keyword">false</font> }; +00501 +00502 <font class="comment">// For each edges</font> +00503 <font class="keywordflow">for</font> (i=0; i<4; i++) +00504 { +00505 <font class="comment">// Vertex snapped and align on a common axis ?</font> +00506 <font class="keywordflow">if</font> ( (vertPosU[i] != 0x80000000) || (vertPosV[i] != 0x80000000) ) +00507 { +00508 <font class="comment">// Snapped on U or V ?</font> +00509 <font class="keywordtype">bool</font> snapU = (vertPosU[i] == vertPosU[(i+1)&3]) && (vertPosU[i] != 0x80000000); +00510 <font class="keywordtype">bool</font> snapV = (vertPosV[i] == vertPosV[(i+1)&3]) && (vertPosV[i] != 0x80000000); +00511 +00512 <font class="comment">// If snapped on one, continue</font> +00513 <font class="keywordflow">if</font> (snapU || snapV) +00514 { +00515 <font class="comment">// If snap on the both, error</font> +00516 <font class="keywordflow">if</font> (snapU && snapV) +00517 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00518 +00519 <font class="comment">// Is this edge Regular or Goofy ?</font> +00520 edgesState[i] = (i&1)?<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s2">Goofy</a>:<a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>; +00521 +00522 <font class="comment">// Flag the patch</font> +00523 <font class="keywordflow">if</font> (edgesState[i] == <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>) +00524 regular = <font class="keyword">true</font>; +00525 <font class="keywordflow">else</font> +00526 goofy = <font class="keyword">true</font>; +00527 +00528 <font class="comment">// Edge snaped</font> +00529 EdgeSnaped[i] = <font class="keyword">true</font>; +00530 } +00531 } +00532 } +00533 +00534 <font class="comment">// * Set the tiles</font> +00535 +00536 <font class="comment">// For each edges</font> +00537 <font class="keywordflow">for</font> (i=0; i<4; i++) +00538 { +00539 <font class="comment">// Edge snapped ?</font> +00540 <font class="keywordflow">if</font> (EdgeSnaped[i]) +00541 { +00542 <font class="comment">// For each tiles</font> +00543 uint tileCount = ((i&1)!=0)?patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>:patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_4">OrderT</a>; +00544 sint currentTile; +00545 sint delta; +00546 <font class="keywordflow">switch</font> (i) +00547 { +00548 <font class="keywordflow">case</font> 0: +00549 currentTile = 0; +00550 delta = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>; +00551 <font class="keywordflow">break</font>; +00552 <font class="keywordflow">case</font> 1: +00553 currentTile = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>*(patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_4">OrderT</a>-1); +00554 delta = 1; +00555 <font class="keywordflow">break</font>; +00556 <font class="keywordflow">case</font> 2: +00557 currentTile = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>-1; +00558 delta = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>; +00559 <font class="keywordflow">break</font>; +00560 <font class="keywordflow">case</font> 3: +00561 currentTile = 0; +00562 delta = 1; +00563 <font class="keywordflow">break</font>; +00564 } +00565 uint j; +00566 <font class="keywordflow">for</font> (j=0; j<tileCount; j++) +00567 { +00568 <font class="comment">// Set the border state</font> +00569 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c3">setOrientedTileBorderState</a> (patchId, currentTile, edgesState[i]); +00570 +00571 <font class="comment">// For each layer</font> +00572 uint layer; +00573 <font class="keywordflow">for</font> (layer=0; layer<3; layer++) +00574 { +00575 <font class="comment">// Get the tiles set used here</font> +00576 uint tile = patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z920_0">Tiles</a>[currentTile].Tile[layer]; +00577 <font class="keywordflow">if</font> (tile != <a class="code" href="tile__element_8h.html#a12">NL_TILE_ELM_LAYER_EMPTY</a>) +00578 { +00579 <font class="keywordtype">int</font> tileSet; +00580 <font class="keywordtype">int</font> number; +00581 CTileBank::TTileType <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>; +00582 bank.getTileXRef (tile, tileSet, number, <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>); +00583 +00584 <font class="comment">// Set it only if oriented</font> +00585 <font class="keywordflow">if</font> (bank.getTileSet (tileSet)->getOriented ()) +00586 { +00587 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (patchId, currentTile, layer, edgesState[i]); +00588 } +00589 } +00590 } +00591 +00592 <font class="comment">// Next tile</font> +00593 currentTile += delta; +00594 } +00595 } +00596 } +00597 +00598 <font class="comment">// For each corners</font> +00599 <font class="keywordflow">for</font> (i=0; i<4; i++) +00600 { +00601 <font class="comment">// Corner snapped ?</font> +00602 uint next = (i+1)&3; +00603 <font class="keywordflow">if</font> (EdgeSnaped[i] && EdgeSnaped[next]) +00604 { +00605 <font class="comment">// Flag tile as corner</font> +00606 <font class="keywordflow">switch</font> (i) +00607 { +00608 <font class="keywordflow">case</font> 0: +00609 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c4">setOrientedTileCorner</a> (patchId, patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>*(patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_4">OrderT</a>-1), <font class="keyword">true</font>); +00610 <font class="keywordflow">break</font>; +00611 <font class="keywordflow">case</font> 1: +00612 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c4">setOrientedTileCorner</a> (patchId, patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>*patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_4">OrderT</a>-1, <font class="keyword">true</font>); +00613 <font class="keywordflow">break</font>; +00614 <font class="keywordflow">case</font> 2: +00615 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c4">setOrientedTileCorner</a> (patchId, patch.<a class="code" href="structNL3D_1_1CPatchInfo.html#z919_3">OrderS</a>-1, <font class="keyword">true</font>); +00616 <font class="keywordflow">break</font>; +00617 <font class="keywordflow">case</font> 3: +00618 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c4">setOrientedTileCorner</a> (patchId, 0, <font class="keyword">true</font>); +00619 <font class="keywordflow">break</font>; +00620 } +00621 } +00622 } +00623 +00624 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00625 } +00626 +00627 <font class="comment">// ***************************************************************************</font> +00628 +00629 CVector2f <a class="code" href="namespaceNL3D.html#a482">st2uv</a> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <font class="keyword">const</font> CPatchInfo &patch) +00630 { +00631 <font class="keywordflow">return</font> CVector2f ((((<font class="keywordtype">float</font>)<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>)+0.5f)/(<font class="keywordtype">float</font>)patch.OrderS, (((<font class="keywordtype">float</font>)<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>)+0.5f)/(<font class="keywordtype">float</font>)patch.OrderT); +00632 } +00633 +00634 <font class="comment">// ***************************************************************************</font> +00635 +00636 <font class="keywordtype">void</font> <a class="code" href="namespaceNL3D.html#a483">uv2st</a> (<font class="keyword">const</font> CVector2f &<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>, sint &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, sint &<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <font class="keyword">const</font> CPatchInfo &patch) +00637 { +00638 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> = (sint)(<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>.x*(float)patch.OrderS); +00639 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = (sint)(<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>.y*(float)patch.OrderT); +00640 } +00641 +00642 <font class="comment">// ***************************************************************************</font> +00643 +<a name="l00644"></a><a class="code" href="classNL3D_1_1CFillStackNode.html">00644</a> <font class="keyword">class </font>CFillStackNode +00645 { +00646 <font class="keyword">public</font>: +<a name="l00647"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#a0">00647</a> <a class="code" href="classNL3D_1_1CFillStackNode.html#a0">CFillStackNode</a> (uint16 patch, uint16 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint16 <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, uint8 rotate, CZoneSymmetrisation::TState state) { <a class="code" href="classNL3D_1_1CFillStackNode.html#m2">Patch</a> = patch; <a class="code" href="classNL3D_1_1CFillStackNode.html#m0">S</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>; <a class="code" href="classNL3D_1_1CFillStackNode.html#m1">T</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; <a class="code" href="classNL3D_1_1CFillStackNode.html#m3">Edge</a> = 0; <a class="code" href="classNL3D_1_1CFillStackNode.html#m4">Rotate</a> = rotate; <a class="code" href="classNL3D_1_1CFillStackNode.html#m5">State</a> = state; }; +<a name="l00648"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#m0">00648</a> uint16 <a class="code" href="classNL3D_1_1CFillStackNode.html#m0">S</a>; +<a name="l00649"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#m1">00649</a> uint16 <a class="code" href="classNL3D_1_1CFillStackNode.html#m1">T</a>; +<a name="l00650"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#m2">00650</a> uint16 <a class="code" href="classNL3D_1_1CFillStackNode.html#m2">Patch</a>; +<a name="l00651"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#m3">00651</a> uint8 <a class="code" href="classNL3D_1_1CFillStackNode.html#m3">Edge</a>; +<a name="l00652"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#m4">00652</a> uint8 <a class="code" href="classNL3D_1_1CFillStackNode.html#m4">Rotate</a>; +<a name="l00653"></a><a class="code" href="classNL3D_1_1CFillStackNode.html#m5">00653</a> CZoneSymmetrisation::TState <a class="code" href="classNL3D_1_1CFillStackNode.html#m5">State</a>; +00654 }; +00655 +00656 <font class="comment">// ***************************************************************************</font> +00657 +<a name="l00658"></a><a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c0">00658</a> <font class="keywordtype">bool</font> CZoneSymmetrisation::propagateTileState (uint patch, uint <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, <font class="keyword">const</font> std::vector<CPatchInfo> &patchInfo, <font class="keyword">const</font> CTileBank &bank, <font class="keywordtype">bool</font> forceRegular) +00659 { +00660 <font class="comment">// For each layer</font> +00661 uint layer; +00662 <font class="keywordflow">for</font> (layer=0; layer<3; layer++) +00663 { +00664 <font class="comment">// Get the patch ptr</font> +00665 <font class="keyword">const</font> CPatchInfo *currentPatchPtr = &(patchInfo[patch]); +00666 +00667 <font class="comment">// Get the tile index</font> +00668 uint tile = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>*currentPatchPtr->OrderS; +00669 +00670 <font class="comment">// Get the tiles set used here</font> +00671 uint tileIndex = currentPatchPtr->Tiles[tile].Tile[layer]; +00672 <font class="keywordflow">if</font> (tileIndex != <a class="code" href="tile__element_8h.html#a12">NL_TILE_ELM_LAYER_EMPTY</a>) +00673 { +00674 <font class="comment">// Valid tile number ?</font> +00675 <font class="keywordflow">if</font> (tileIndex >= (uint)bank.getTileCount ()) +00676 { +00677 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"CZoneSymmetrisation::propagateTileState: Invalid tile index"</font>); +00678 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00679 } +00680 +00681 <font class="comment">// Get the tile set used by this layer</font> +00682 <font class="keywordtype">int</font> tileSetToPropagate; +00683 <font class="keywordtype">int</font> number; +00684 CTileBank::TTileType <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>; +00685 bank.getTileXRef (tileIndex, tileSetToPropagate, number, <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>); +00686 +00687 <font class="comment">// Oriented ?</font> +00688 <font class="keywordtype">bool</font> oriented = bank.getTileSet (tileSetToPropagate)->getOriented (); +00689 +00690 <font class="comment">// If oriented, must not be a corner</font> +00691 <font class="keywordflow">if</font> (!(oriented && <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a4">getOrientedTileCorner</a> (patch, tile))) +00692 { +00693 <font class="comment">// Current node</font> +00694 CFillStackNode currentNode (patch, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>, currentPatchPtr->Tiles[tile].getTileOrient(layer), <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a1">getTileState</a> (patch, tile, layer)); +00695 +00696 <font class="comment">// Propagate non-Nothing tiles</font> +00697 <font class="keywordflow">if</font> ( (!forceRegular && (currentNode.State != <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>)) || (forceRegular && (currentNode.State == <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>)) ) +00698 { +00699 <font class="comment">// Force to Regular ?</font> +00700 <font class="keywordflow">if</font> (forceRegular) +00701 { +00702 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (patch, tile, layer, <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>); +00703 currentNode.State = <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>; +00704 } +00705 +00706 <font class="comment">// Fill stack</font> +00707 vector<CFillStackNode> stack; +00708 stack.push_back (currentNode); +00709 +00710 <font class="comment">// While people in the stack</font> +00711 <font class="keywordflow">while</font> (!stack.empty ()) +00712 { +00713 <font class="comment">// Pop last element</font> +00714 currentNode = stack.back (); +00715 stack.pop_back (); +00716 +00717 <font class="keywordflow">do</font> +00718 { +00719 <font class="comment">// Set current patch pointer</font> +00720 currentPatchPtr = &(patchInfo[currentNode.Patch]); +00721 +00722 <font class="comment">// Get neighbor</font> +00723 CFillStackNode neighborNode (currentNode.Patch, currentNode.S, currentNode.T, currentNode.Rotate, currentNode.State); +00724 <font class="keywordflow">switch</font> (currentNode.Edge) +00725 { +00726 <font class="keywordflow">case</font> 0: +00727 neighborNode.S--; +00728 <font class="keywordflow">break</font>; +00729 <font class="keywordflow">case</font> 1: +00730 neighborNode.T++; +00731 <font class="keywordflow">break</font>; +00732 <font class="keywordflow">case</font> 2: +00733 neighborNode.S++; +00734 <font class="keywordflow">break</font>; +00735 <font class="keywordflow">case</font> 3: +00736 neighborNode.T--; +00737 <font class="keywordflow">break</font>; +00738 } +00739 +00740 <font class="comment">// Is still in patch ?</font> +00741 <font class="keywordflow">if</font> ( (neighborNode.S<0) || (neighborNode.S>=patchInfo[currentNode.Patch].OrderS) || (neighborNode.T<0) || (neighborNode.T>=patchInfo[currentNode.Patch].OrderT) ) +00742 { +00743 <font class="comment">// No, found new patch</font> +00744 uint position; +00745 <font class="keywordflow">switch</font> (currentNode.Edge) +00746 { +00747 <font class="keywordflow">case</font> 0: +00748 position = neighborNode.T; +00749 <font class="keywordflow">break</font>; +00750 <font class="keywordflow">case</font> 1: +00751 position = neighborNode.S; +00752 <font class="keywordflow">break</font>; +00753 <font class="keywordflow">case</font> 2: +00754 position = patchInfo[currentNode.Patch].OrderT - neighborNode.T - 1; +00755 <font class="keywordflow">break</font>; +00756 <font class="keywordflow">case</font> 3: +00757 position = patchInfo[currentNode.Patch].OrderS - neighborNode.S - 1; +00758 <font class="keywordflow">break</font>; +00759 } +00760 +00761 <font class="comment">// Get next patch</font> +00762 uint patchOut; +00763 sint sOut; +00764 sint tOut; +00765 <font class="keywordflow">if</font> (patchInfo[currentNode.Patch].getNeighborTile (currentNode.Patch, currentNode.Edge, position, +00766 patchOut, sOut, tOut, patchInfo)) +00767 { +00768 <font class="comment">// Should be another patch</font> +00769 <a class="code" href="debug_8h.html#a6">nlassert</a> (patchOut != currentNode.Patch); +00770 +00771 <font class="comment">// Get patch id</font> +00772 neighborNode.Patch = patchOut; +00773 +00774 <font class="comment">// Coordinate must be IN the patch</font> +00775 <a class="code" href="debug_8h.html#a6">nlassert</a> (sOut >= 0); +00776 <a class="code" href="debug_8h.html#a6">nlassert</a> (tOut >= 0); +00777 <a class="code" href="debug_8h.html#a6">nlassert</a> (sOut < patchInfo[neighborNode.Patch].OrderS); +00778 <a class="code" href="debug_8h.html#a6">nlassert</a> (tOut < patchInfo[neighborNode.Patch].OrderT); +00779 +00780 <font class="comment">// Copy it</font> +00781 neighborNode.S = sOut; +00782 neighborNode.T = tOut; +00783 +00784 <font class="comment">// Find neighbor</font> +00785 <font class="keyword">const</font> CPatchInfo::CBindInfo &neighborBindInfo = patchInfo[currentNode.Patch].BindEdges[currentNode.Edge]; +00786 uint edgePatch; +00787 <font class="keywordflow">for</font> (edgePatch=0; edgePatch<(uint)neighborBindInfo.NPatchs; edgePatch++) +00788 { +00789 <font class="keywordflow">if</font> (neighborBindInfo.Next[edgePatch] == neighborNode.Patch) +00790 <font class="keywordflow">break</font>; +00791 } +00792 +00793 <font class="comment">// Must find one patch</font> +00794 <a class="code" href="debug_8h.html#a6">nlassert</a> (edgePatch<(uint)neighborBindInfo.NPatchs); +00795 +00796 <font class="comment">// Rotation</font> +00797 neighborNode.Rotate = (currentNode.Rotate + 2 + neighborBindInfo.Edge[edgePatch] - currentNode.Edge) & 3; +00798 +00799 <font class="comment">// Toggle the state ?</font> +00800 <font class="keywordflow">if</font> ((neighborNode.Rotate ^ currentNode.Rotate) & 1) +00801 { +00802 <font class="comment">// Yes</font> +00803 neighborNode.State = (neighborNode.State == <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>) ? <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s2">Goofy</a> : <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s1">Regular</a>; +00804 } +00805 } +00806 <font class="keywordflow">else</font> +00807 { +00808 <font class="comment">// No propagation, continue</font> +00809 currentNode.Edge++; +00810 <font class="keywordflow">continue</font>; +00811 } +00812 } +00813 +00814 <font class="comment">// Neighbor patch</font> +00815 <font class="keyword">const</font> CPatchInfo *neighborPatchPtr = &(patchInfo[neighborNode.Patch]); +00816 +00817 <font class="comment">// Get the tile index</font> +00818 uint neighborTile = neighborNode.S+neighborNode.T*neighborPatchPtr->OrderS; +00819 +00820 <font class="comment">// Look for the same tile set in the new tile</font> +00821 uint neighborLayer; +00822 <font class="keywordflow">for</font> (neighborLayer=0; neighborLayer<3; neighborLayer++) +00823 { +00824 <font class="comment">// Get the tile index</font> +00825 uint neighborTileIndex = neighborPatchPtr->Tiles[neighborTile].Tile[neighborLayer]; +00826 +00827 <font class="keywordflow">if</font> (neighborTileIndex != <a class="code" href="tile__element_8h.html#a12">NL_TILE_ELM_LAYER_EMPTY</a>) +00828 { +00829 <font class="comment">// Valid tile number ?</font> +00830 <font class="keywordflow">if</font> (neighborTileIndex >= (uint)bank.getTileCount ()) +00831 { +00832 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"CZoneSymmetrisation::propagateTileState: Invalid tile index"</font>); +00833 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00834 } +00835 +00836 <font class="comment">// Get tileset</font> +00837 <font class="keywordtype">int</font> neighborTileSet; +00838 <font class="keywordtype">int</font> neighborNumber; +00839 CTileBank::TTileType neighborType; +00840 bank.getTileXRef (neighborTileIndex, neighborTileSet, neighborNumber, neighborType); +00841 +00842 <font class="comment">// Same tileset ? Stop!</font> +00843 <font class="keywordflow">if</font> ( (neighborTileSet == tileSetToPropagate) && +00844 (neighborNode.Rotate == neighborPatchPtr->Tiles[neighborTile].getTileOrient(neighborLayer)) ) +00845 <font class="keywordflow">break</font>; +00846 } +00847 } +00848 +00849 <font class="comment">// Found ?</font> +00850 <font class="keywordflow">if</font> (neighborLayer<3) +00851 { +00852 <font class="comment">// If oriented, must not be a corner</font> +00853 <font class="keywordflow">if</font> (!(oriented && <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a4">getOrientedTileCorner</a> (neighborNode.Patch, neighborTile))) +00854 { +00855 <font class="comment">// Propagate in the new node ?</font> +00856 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3">TState</a> neighborState = <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#a1">getTileState</a> (neighborNode.Patch, neighborTile, neighborLayer); +00857 <font class="keywordflow">if</font> (neighborState == <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#s3s0">Nothing</a>) +00858 { +00859 <font class="comment">// Set the state</font> +00860 <a class="code" href="classNL3D_1_1CZoneSymmetrisation.html#c1">setTileState</a> (neighborNode.Patch, neighborTile, neighborLayer, neighborNode.State); +00861 +00862 <font class="comment">// Stack current node if some neighbor left to visit</font> +00863 <font class="keywordflow">if</font> (currentNode.Edge < 3) +00864 { +00865 currentNode.Edge++; +00866 stack.push_back (currentNode); +00867 } +00868 +00869 <font class="comment">// Continue with the new node</font> +00870 currentNode = neighborNode; +00871 } +00872 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (neighborState != neighborNode.State) +00873 { +00874 <font class="comment">// Error, same tile but not same state</font> +00875 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"CZoneSymmetrisation::propagateTileState: error, find same iso surfaces with different state."</font>); +00876 +00877 <font class="comment">// No propagation, continue</font> +00878 currentNode.Edge++; +00879 } +00880 <font class="keywordflow">else</font> +00881 { +00882 <font class="comment">// No propagation, continue</font> +00883 currentNode.Edge++; +00884 } +00885 } +00886 <font class="keywordflow">else</font> +00887 { +00888 <font class="comment">// No propagation, continue</font> +00889 currentNode.Edge++; +00890 } +00891 } +00892 <font class="keywordflow">else</font> +00893 <font class="comment">// No propagation, continue</font> +00894 currentNode.Edge++; +00895 } +00896 <font class="keywordflow">while</font> (currentNode.Edge<4); +00897 } +00898 } +00899 } +00900 } +00901 } +00902 +00903 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00904 } +00905 +00906 <font class="comment">// ***************************************************************************</font> +00907 +00908 } <font class="comment">// NL3D</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |