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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>quad_grid.h</h1><a href="3d_2quad__grid_8h.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">#ifndef NL_QUAD_GRID_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_QUAD_GRID_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="matrix_8h.html">nel/misc/matrix.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="stl__block__list_8h.html">nel/misc/stl_block_list.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00035 <font class="preprocessor">#include <vector></font>
00036
00037
00038 <font class="keyword">namespace </font>NL3D
00039 {
00040
00041
00042 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>;
00043
00044 <font class="comment">// ***************************************************************************</font>
00045 <font class="comment">// Default Size of a block for allocation of elements and elements node list in the grid.</font>
<a name="l00046"></a><a class="code" href="3d_2quad__grid_8h.html#a0">00046</a> <font class="preprocessor">#define NL3D_QUAD_GRID_ALLOC_BLOCKSIZE 16</font>
00047 <font class="preprocessor"></font>
00048
00049 <font class="comment">// ***************************************************************************</font>
<a name="l00076"></a><a class="code" href="classNL3D_1_1CQuadGrid.html">00076</a> <font class="comment"></font><font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keyword">class </font>CQuadGrid
00077 {
00078 <font class="keyword">public</font>:
00080 <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a>;
<a name="l00081"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#l0">00081</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a>;
00082
00083 <font class="keyword">public</font>:
00084
00086 <a class="code" href="classNL3D_1_1CQuadGrid.html#a0">CQuadGrid</a>(uint memoryBlockSize= <a class="code" href="3d_2quad__grid_8h.html#a0">NL3D_QUAD_GRID_ALLOC_BLOCKSIZE</a>);
00087
00089 <a class="code" href="classNL3D_1_1CQuadGrid.html#a1">~CQuadGrid</a>();
00090
00092
00093
00108 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z741_0">changeBase</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>& base);
00109
00116 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z741_1">create</a>(uint size, <font class="keywordtype">float</font> eltSize);
00117
00118 <font class="comment">// Get creation parameters.</font>
<a name="l00119"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z741_2">00119</a> <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &<a class="code" href="classNL3D_1_1CQuadGrid.html#z741_2">getBasis</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>;}
<a name="l00120"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z741_3">00120</a> uint <a class="code" href="classNL3D_1_1CQuadGrid.html#z741_3">getSize</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>;}
<a name="l00121"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z741_4">00121</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z741_4">getEltSize</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#o3">_EltSize</a>;}
00123
00125
00126
00129 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z742_0">clear</a>();
00130
00138 <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadGrid.html#z742_1">erase</a>(<a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> it);
00139
00165 <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadGrid.html#z742_2">insert</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax, <font class="keyword">const</font> T &val);
00167
00168
00170
00171
00174 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_0">clearSelection</a>();
00175
00179 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_1">selectAll</a>();
00180
00187 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_2">select</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax);
00188
00189
00193 <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_3">begin</a>();
00194
00198 <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_4">end</a>();
00200
00201
00202 <font class="comment">// =================</font>
00203 <font class="comment">// =================</font>
00204 <font class="comment">// IMPLEMENTATION.</font>
00205 <font class="comment">// =================</font>
00206 <font class="comment">// =================</font>
00207 <font class="keyword">private</font>:<font class="comment">// Classes.</font>
00208
<a name="l00209"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html">00209</a> <font class="keyword">class </font>CBaseNode
00210 {
00211 <font class="keyword">public</font>:
<a name="l00212"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m0">00212</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#a0">CBaseNode</a> *<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m0">Prev</a>,*<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>; <font class="comment">// For selection.</font>
<a name="l00213"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m2">00213</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m2">Selected</a>; <font class="comment">// true if owned by _SelectedList, or by _UnSelectedList.</font>
<a name="l00214"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#a0">00214</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#a0">CBaseNode</a>() {Prev= Next= NULL;}
00215 };
00216
<a name="l00217"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html">00217</a> <font class="keyword">class </font>CNode : <font class="keyword">public</font> CBaseNode
00218 {
00219 <font class="keyword">public</font>:
<a name="l00220"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m0">00220</a> T <a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m0">Elt</a>;
<a name="l00221"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m2">00221</a> uint16 <a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m1">x0</a>,<a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m2">x1</a>; <font class="comment">// The location of the elt in the grid. Used for erase().</font>
<a name="l00222"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m4">00222</a> uint16 <a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m3">y0</a>,<a class="code" href="classNL3D_1_1CQuadGrid_1_1CNode.html#m4">y1</a>;
00223 };
00224
<a name="l00225"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CQuadNode.html">00225</a> <font class="keyword">class </font>CQuadNode
00226 {
00227 <font class="keyword">public</font>:
<a name="l00228"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CQuadNode.html#m0">00228</a> <a class="code" href="classNLMISC_1_1CSTLBlockList.html">NLMISC::CSTLBlockList<CNode*></a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CQuadNode.html#m0">Nodes</a>;
00229
<a name="l00230"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CQuadNode.html#a0">00230</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CQuadNode.html#a0">CQuadNode</a>(<a class="code" href="classNLMISC_1_1CBlockMemory.html">NLMISC::CBlockMemory<CNode*, false></a> *bm) : Nodes(bm) {}
00231 };
00232
00233 <font class="keyword">private</font>:<font class="comment">// Atttributes.</font>
<a name="l00234"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o0">00234</a> std::vector<CQuadNode> <a class="code" href="classNL3D_1_1CQuadGrid.html#o0">_Grid</a>;
<a name="l00235"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o1">00235</a> sint <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>;
<a name="l00236"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o2">00236</a> sint <a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>;
<a name="l00237"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o3">00237</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#o3">_EltSize</a>;
<a name="l00238"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o4">00238</a> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>;
00239 <font class="comment">// Selection. Elements are either in _SelectedList or in _UnSelectedList</font>
<a name="l00240"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o5">00240</a> CBaseNode <a class="code" href="classNL3D_1_1CQuadGrid.html#o5">_SelectedList</a>; <font class="comment">// list of elements selected.</font>
<a name="l00241"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o6">00241</a> CBaseNode <a class="code" href="classNL3D_1_1CQuadGrid.html#o6">_UnSelectedList</a>; <font class="comment">// circular list of elements not selected</font>
00242 <font class="comment">// The memory for nodes</font>
<a name="l00243"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o7">00243</a> <a class="code" href="classNLMISC_1_1CBlockMemory.html">NLMISC::CBlockMemory<CNode></a> <a class="code" href="classNL3D_1_1CQuadGrid.html#o7">_NodeBlockMemory</a>;
00244 <font class="comment">// The memory for node list</font>
<a name="l00245"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#o8">00245</a> <a class="code" href="classNLMISC_1_1CBlockMemory.html">NLMISC::CBlockMemory<CNode*, false></a> <a class="code" href="classNL3D_1_1CQuadGrid.html#o8">_NodeListBlockMemory</a>;
00246
00247
00248 <font class="keyword">private</font>:<font class="comment">// Methods.</font>
00249
00250 <font class="comment">// link a node to a root: Selected or UnSelected list</font>
<a name="l00251"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#c0">00251</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#c0">linkToRoot</a>(CBaseNode &root, CBaseNode *ptr)
00252 {
00253 ptr->Prev= &root;
00254 ptr->Next= root.Next;
00255 ptr->Prev->Next= ptr;
00256 <font class="keywordflow">if</font>(ptr->Next)
00257 ptr->Next->Prev= ptr;
00258 }
00259
00260 <font class="comment">// return the coordinates on the grid of what include the bbox.</font>
<a name="l00261"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#c1">00261</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#c1">selectQuads</a>(CVector bmin, CVector bmax, sint &x0, sint &x1, sint &y0, sint &y1)
00262 {
00263 CVector bminp, bmaxp;
00264 bminp= bmin;
00265 bmaxp= bmax;
00266 bmin.minof(bminp, bmaxp);
00267 bmax.maxof(bminp, bmaxp);
00268 bmin/= <a class="code" href="classNL3D_1_1CQuadGrid.html#o3">_EltSize</a>;
00269 bmax/= <a class="code" href="classNL3D_1_1CQuadGrid.html#o3">_EltSize</a>;
00270 x0= (sint)(floor(bmin.x));
00271 x1= (sint)(ceil(bmax.x));
00272 y0= (sint)(floor(bmin.y));
00273 y1= (sint)(ceil(bmax.y));
00274
00275 <font class="comment">// Very special case where the bbox.size==0 AND position is JUST on an edge of a case.</font>
00276 <font class="keywordflow">if</font>(x0==x1)
00277 x1++;
00278 <font class="keywordflow">if</font>(y0==y1)
00279 y1++;
00280
00281 <font class="comment">// Manage tiling.</font>
00282 <font class="keywordflow">if</font>(x1-x0>=<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>)
00283 x0=0, x1= <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>;
00284 <font class="keywordflow">else</font>
00285 {
00286 x0&= <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1;
00287 x1&= <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1;
00288 <font class="keywordflow">if</font>(x1<=x0)
00289 x1+=<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>;
00290 }
00291 <font class="keywordflow">if</font>(y1-y0>=<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>)
00292 y0=0, y1= <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>;
00293 <font class="keywordflow">else</font>
00294 {
00295 y0&= <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1;
00296 y1&= <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1;
00297 <font class="keywordflow">if</font>(y1<=y0)
00298 y1+=<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>;
00299 }
00300 }
00301
00302 <font class="comment">// If not done, add the node to the selection.</font>
<a name="l00303"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#c2">00303</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#c2">addToSelection</a>(CNode *ptr)
00304 {
00305 <font class="comment">// if not selected</font>
00306 <font class="keywordflow">if</font>(!ptr->Selected)
00307 {
00308 <font class="comment">// remove from the unselected list.</font>
00309 ptr->Prev->Next= ptr->Next;
00310 <font class="keywordflow">if</font>(ptr->Next)
00311 ptr->Next->Prev= ptr->Prev;
00312
00313 <font class="comment">// Append to front of the _Selected list.</font>
00314 <a class="code" href="classNL3D_1_1CQuadGrid.html#c0">linkToRoot</a>(_SelectedList, ptr);
00315
00316 <font class="comment">// mark it</font>
00317 ptr->Selected= <font class="keyword">true</font>;
00318 }
00319 }
00320
00321 <font class="comment">// Try to add each node of the quad node list.</font>
<a name="l00322"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#c3">00322</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#c3">addQuadNodeToSelection</a>(CQuadNode &quad)
00323 {
00324 <font class="keyword">typename</font> <a class="code" href="classNLMISC_1_1CSTLBlockList.html">NLMISC::CSTLBlockList<CNode*></a>::iterator itNode;
00325 <font class="keywordflow">for</font>(itNode= quad.Nodes.begin();itNode!=quad.Nodes.end();itNode++)
00326 {
00327 <a class="code" href="classNL3D_1_1CQuadGrid.html#c2">addToSelection</a>(*itNode);
00328 }
00329 }
00330
00331
00332 <font class="keyword">public</font>:
00333 <font class="comment">// CLASS const_iterator.</font>
<a name="l00334"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html">00334</a> <font class="keyword">class </font>const_iterator
00335 {
00336 <font class="keyword">public</font>:
<a name="l00337"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">00337</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>() {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>=NULL;}
<a name="l00338"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a1">00338</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>(CNode *p) : <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>(p) {}
<a name="l00339"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a2">00339</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#l1">CIterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>) : <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>) {}
00340
<a name="l00341"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a3">00341</a> <font class="keyword">const</font> T& <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a3">operator*</a>()<font class="keyword"> const</font>
00342 <font class="keyword"> </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>->Elt; }
00343 <font class="comment">// Doesn't work...</font>
00344 <font class="comment">/*const T* operator->() const</font>
00345 <font class="comment"> {return (&**this); }*/</font>
<a name="l00346"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a4">00346</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a4">operator++</a>()
00347 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>->Next); <font class="keywordflow">return</font> (*this); }
<a name="l00348"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a5">00348</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a4">operator++</a>(<font class="keywordtype">int</font>)
00349 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> tmp = *<font class="keyword">this</font>; ++*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00350"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a6">00350</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a6">operator--</a>()
00351 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>->Prev); <font class="keywordflow">return</font> (*this); }
<a name="l00352"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a7">00352</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a6">operator--</a>(<font class="keywordtype">int</font>)
00353 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> tmp = *<font class="keyword">this</font>; --*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00354"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a8">00354</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a8">operator==</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00355 <font class="keyword"> </font>{<font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> == x._Ptr); }
<a name="l00356"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a9">00356</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a9">operator!=</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00357 <font class="keyword"> </font>{<font class="keywordflow">return</font> (!(*<font class="keyword">this</font> == x)); }
00358 <font class="keyword">protected</font>:
<a name="l00359"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">00359</a> CNode *<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>;
<a name="l00360"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#l0">00360</a> <font class="keyword">friend</font> <font class="keyword">class </font>CQuadGrid<T>;
<a name="l00361"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#l1">00361</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#l1">CIterator</a>;
00362 };
00363
00364 <font class="comment">// CLASS CIterator</font>
<a name="l00365"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html">00365</a> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> : <font class="keyword">public</font> const_iterator
00366 {
00367 <font class="keyword">public</font>:
<a name="l00368"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">00368</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>() {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>=NULL;}
<a name="l00369"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a1">00369</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>(CNode *p) : <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>(p) {}
<a name="l00370"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a2">00370</a> T& <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a2">operator*</a>()<font class="keyword"> const</font>
00371 <font class="keyword"> </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>->Elt; }
00372 <font class="comment">// Doesn't work...</font>
00373 <font class="comment">/*T* operator->() const</font>
00374 <font class="comment"> {return (&**this); }*/</font>
<a name="l00375"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a3">00375</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>& <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a3">operator++</a>()
00376 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>->Next); <font class="keywordflow">return</font> (*this); }
<a name="l00377"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a4">00377</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a3">operator++</a>(<font class="keywordtype">int</font>)
00378 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> tmp = *<font class="keyword">this</font>; ++*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00379"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a5">00379</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>& <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a5">operator--</a>()
00380 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>->Prev); <font class="keywordflow">return</font> (*this); }
<a name="l00381"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a6">00381</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a5">operator--</a>(<font class="keywordtype">int</font>)
00382 {<a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> tmp = *<font class="keyword">this</font>; --*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00383"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a7">00383</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a7">operator==</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00384 <font class="keyword"> </font>{<font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> == x._Ptr); }
<a name="l00385"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a8">00385</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#a8">operator!=</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00386 <font class="keyword"> </font>{<font class="keywordflow">return</font> (!(*<font class="keyword">this</font> == x)); }
00387 <font class="keyword">protected</font>:
<a name="l00388"></a><a class="code" href="classNL3D_1_1CQuadGrid_1_1CIterator.html#l0">00388</a> <font class="keyword">friend</font> <font class="keyword">class </font>CQuadGrid<T>;
00389 };
00390
00391
00392 };
00393
00394
00395 <font class="comment">// ***************************************************************************</font>
00396 <font class="comment">// ***************************************************************************</font>
00397 <font class="comment">// ***************************************************************************</font>
00398 <font class="comment">// ***************************************************************************</font>
00399 <font class="comment">// Template CQuadGrid implementation.</font>
00400 <font class="comment">// ***************************************************************************</font>
00401 <font class="comment">// ***************************************************************************</font>
00402 <font class="comment">// ***************************************************************************</font>
00403 <font class="comment">// ***************************************************************************</font>
00404
00405
00406 <font class="comment">// ***************************************************************************</font>
00407 <font class="comment">// Init.</font>
00408 <font class="comment">// ***************************************************************************</font>
00409
00410
00411 <font class="comment">// ***************************************************************************</font>
<a name="l00412"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#a0">00412</a> <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadGrid<T>::CQuadGrid(uint memoryBlockSize) :
00413 _NodeBlockMemory(memoryBlockSize), _NodeListBlockMemory(memoryBlockSize)
00414 {
00415 <a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>=4;
00416 <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>=1<<<a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>;
00417 <a class="code" href="classNL3D_1_1CQuadGrid.html#o3">_EltSize</a>=1;
00418 <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a>();
00419 }
00420 <font class="comment">// ***************************************************************************</font>
<a name="l00421"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#a1">00421</a> <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadGrid<T>::~CQuadGrid()
00422 {
00423 <a class="code" href="classNL3D_1_1CQuadGrid.html#z742_0">clear</a>();
00424 <font class="comment">// must clear the array, before _NodeListBlockMemory.purge() is called.</font>
00425 <a class="code" href="classNL3D_1_1CQuadGrid.html#o0">_Grid</a>.clear();
00426 }
00427 <font class="comment">// ***************************************************************************</font>
<a name="l00428"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z741_0">00428</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadGrid<T>::changeBase(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>& base)
00429 {
00430 <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>= base;
00431 }
00432 <font class="comment">// ***************************************************************************</font>
<a name="l00433"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z741_1">00433</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadGrid<T>::create(uint size, <font class="keywordtype">float</font> eltSize)
00434 {
00435 <a class="code" href="classNL3D_1_1CQuadGrid.html#z742_0">clear</a>();
00436
00437 <a class="code" href="debug_8h.html#a6">nlassert</a>(NLMISC::isPowerOf2(size));
00438 <a class="code" href="debug_8h.html#a6">nlassert</a>(size<=32768);
00439 <a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>= <a class="code" href="namespaceNLMISC.html#a224">NLMISC::getPowerOf2</a>(size);
00440 <a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>=1<<<a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>;
00441 <a class="code" href="classNL3D_1_1CQuadGrid.html#o0">_Grid</a>.resize(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>*<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>, CQuadNode(&<a class="code" href="classNL3D_1_1CQuadGrid.html#o8">_NodeListBlockMemory</a>));
00442
00443 <a class="code" href="debug_8h.html#a6">nlassert</a>(eltSize>0);
00444 <a class="code" href="classNL3D_1_1CQuadGrid.html#o3">_EltSize</a>= eltSize;
00445 }
00446
00447
00448 <font class="comment">// ***************************************************************************</font>
00449 <font class="comment">// insert/erase.</font>
00450 <font class="comment">// ***************************************************************************</font>
00451
00452
00453 <font class="comment">// ***************************************************************************</font>
<a name="l00454"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z742_0">00454</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadGrid<T>::clear()
00455 {
00456 <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a> it;
00457 <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_1">selectAll</a>();
00458 <font class="keywordflow">while</font>( (it=<a class="code" href="classNL3D_1_1CQuadGrid.html#z743_3">begin</a>())!=<a class="code" href="classNL3D_1_1CQuadGrid.html#z743_4">end</a>())
00459 {
00460 <a class="code" href="classNL3D_1_1CQuadGrid.html#z742_1">erase</a>(it);
00461 }
00462
00463 <font class="comment">// Clear the 2 selection...</font>
00464 <a class="code" href="classNL3D_1_1CQuadGrid.html#o5">_SelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>= NULL;
00465 <a class="code" href="classNL3D_1_1CQuadGrid.html#o6">_UnSelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>= NULL;
00466 }
00467 <font class="comment">// ***************************************************************************</font>
00468 <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keyword">typename</font> CQuadGrid<T>::CIterator CQuadGrid<T>::erase(<font class="keyword">typename</font> CQuadGrid<T>::CIterator it)
00469 {
00470 sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00471 CNode *ptr= it._Ptr;
00472
00473 <font class="keywordflow">if</font>(!ptr)
00474 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_4">end</a>();
00475
00476 <font class="comment">// First erase all references to it.</font>
00477 <font class="comment">//==================================</font>
00478 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= ptr->y0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><ptr->y1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00479 {
00480 sint xe,ye;
00481 ye= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1);
00482 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= ptr->x0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><ptr->x1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00483 {
00484 xe= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1);
00485 CQuadNode &quad= <a class="code" href="classNL3D_1_1CQuadGrid.html#o0">_Grid</a>[(ye<<<a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>)+xe];
00486 <font class="keyword">typename</font> <a class="code" href="classNLMISC_1_1CSTLBlockList.html">NLMISC::CSTLBlockList<CNode*></a>::iterator itNode;
00487 <font class="keywordflow">for</font>(itNode= quad.Nodes.begin();itNode!=quad.Nodes.end();itNode++)
00488 {
00489 <font class="keywordflow">if</font>((*itNode)==ptr)
00490 {
00491 quad.Nodes.erase(itNode);
00492 <font class="keywordflow">break</font>;
00493 }
00494 }
00495 }
00496 }
00497
00498 <font class="comment">// Then delete it..., and update selection linked list.</font>
00499 <font class="comment">//=====================================================</font>
00500 <font class="comment">// remove it from _SelectedList or _UnSelectedList</font>
00501 CBaseNode *next= NULL;
00502 next= ptr->Next;
00503 <font class="keywordflow">if</font>(next)
00504 next->Prev=ptr->Prev;
00505 ptr->Prev->Next= next;
00506 <font class="comment">// if not selected, then must return NULL</font>
00507 <font class="keywordflow">if</font>(!ptr->Selected)
00508 next= NULL;
00509 <font class="comment">// delete the object.</font>
00510 <a class="code" href="classNL3D_1_1CQuadGrid.html#o7">_NodeBlockMemory</a>.<a class="code" href="classNLMISC_1_1CBlockMemory.html#a4">free</a>(ptr);
00511
00512
00513 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a>((CNode*)next);
00514 }
00515 <font class="comment">// ***************************************************************************</font>
<a name="l00516"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z742_2">00516</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keyword">typename</font> CQuadGrid<T>::CIterator CQuadGrid<T>::insert(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax, <font class="keyword">const</font> T &val)
00517 {
00518 CVector bmin,bmax;
00519 bmin= <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmin;
00520 bmax= <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmax;
00521
00522 <font class="comment">// init the object.</font>
00523 CNode *ptr= <a class="code" href="classNL3D_1_1CQuadGrid.html#o7">_NodeBlockMemory</a>.<a class="code" href="classNLMISC_1_1CBlockMemory.html#a3">allocate</a>();
00524 ptr->Elt= val;
00525 <font class="comment">// Link to _Unselected list.</font>
00526 <a class="code" href="classNL3D_1_1CQuadGrid.html#c0">linkToRoot</a>(<a class="code" href="classNL3D_1_1CQuadGrid.html#o6">_UnSelectedList</a>, ptr);
00527 <font class="comment">// mark as not selected.</font>
00528 ptr->Selected= <font class="keyword">false</font>;
00529
00530
00531 <font class="comment">// Find which quad include the object.</font>
00532 <font class="comment">//===================================</font>
00533 sint x0,y0;
00534 sint x1,y1;
00535 <a class="code" href="classNL3D_1_1CQuadGrid.html#c1">selectQuads</a>(bmin, bmax, x0,x1, y0,y1);
00536
00537 ptr->x0= x0;
00538 ptr->x1= x1;
00539 ptr->y0= y0;
00540 ptr->y1= y1;
00541
00542 <font class="comment">// Then for all of them, insert the node in their list.</font>
00543 <font class="comment">//=====================================================</font>
00544 sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00545 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= ptr->y0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><ptr->y1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00546 {
00547 sint xe,ye;
00548 ye= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1);
00549 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= ptr->x0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><ptr->x1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00550 {
00551 xe= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1);
00552 CQuadNode &quad= <a class="code" href="classNL3D_1_1CQuadGrid.html#o0">_Grid</a>[(ye<<<a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>)+xe];
00553 quad.Nodes.push_back(ptr);
00554 }
00555 }
00556
00557 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a>(ptr);
00558 }
00559
00560
00561 <font class="comment">// ***************************************************************************</font>
00562 <font class="comment">// selection.</font>
00563 <font class="comment">// ***************************************************************************</font>
00564
00565
00566 <font class="comment">// ***************************************************************************</font>
<a name="l00567"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z743_0">00567</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadGrid<T>::clearSelection()
00568 {
00569 CBaseNode *ptr= <a class="code" href="classNL3D_1_1CQuadGrid.html#o5">_SelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>;
00570 <font class="keywordflow">while</font>(ptr)
00571 {
00572 <font class="comment">// next selected.</font>
00573 CBaseNode *nextSelected= ptr->Next;
00574
00575 <font class="comment">// Link to _Unselected list.</font>
00576 <a class="code" href="classNL3D_1_1CQuadGrid.html#c0">linkToRoot</a>(<a class="code" href="classNL3D_1_1CQuadGrid.html#o6">_UnSelectedList</a>, ptr);
00577
00578 <font class="comment">// mark as not selected.</font>
00579 ptr->Selected= <font class="keyword">false</font>;
00580
00581 <font class="comment">// next.</font>
00582 ptr= nextSelected;
00583 }
00584
00585 <font class="comment">// the selected list is now empty.</font>
00586 <a class="code" href="classNL3D_1_1CQuadGrid.html#o5">_SelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>= NULL;
00587 }
00588 <font class="comment">// ***************************************************************************</font>
<a name="l00589"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z743_1">00589</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadGrid<T>::selectAll()
00590 {
00591 <font class="comment">// This is the opposite of clearSelection(). get all that are in _UnSelectedList,</font>
00592 <font class="comment">// and put them in _SelectedList</font>
00593 CBaseNode *ptr= <a class="code" href="classNL3D_1_1CQuadGrid.html#o6">_UnSelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>;
00594 <font class="keywordflow">while</font>(ptr)
00595 {
00596 <font class="comment">// next selected.</font>
00597 CBaseNode *nextUnSelected= ptr->Next;
00598
00599 <font class="comment">// Link to _Selected list.</font>
00600 <a class="code" href="classNL3D_1_1CQuadGrid.html#c0">linkToRoot</a>(<a class="code" href="classNL3D_1_1CQuadGrid.html#o5">_SelectedList</a>, ptr);
00601
00602 <font class="comment">// mark as selected.</font>
00603 ptr->Selected= <font class="keyword">true</font>;
00604
00605 <font class="comment">// next.</font>
00606 ptr= nextUnSelected;
00607 }
00608
00609 <font class="comment">// the Unselected list is now empty.</font>
00610 <a class="code" href="classNL3D_1_1CQuadGrid.html#o6">_UnSelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>= NULL;
00611 }
00612 <font class="comment">// ***************************************************************************</font>
<a name="l00613"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z743_2">00613</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadGrid<T>::select(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax)
00614 {
00615 CVector bmin,bmax;
00616 bmin= <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmin;
00617 bmax= <a class="code" href="classNL3D_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmax;
00618
00619 <a class="code" href="classNL3D_1_1CQuadGrid.html#z743_0">clearSelection</a>();
00620
00621 <font class="comment">// What are the quads to access?</font>
00622 sint x0,y0;
00623 sint x1,y1;
00624 <a class="code" href="classNL3D_1_1CQuadGrid.html#c1">selectQuads</a>(bmin, bmax, x0,x1, y0,y1);
00625
00626 sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00627 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= y0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a><y1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00628 {
00629 sint xe,ye;
00630 ye= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1);
00631 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= x0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a><x1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00632 {
00633 xe= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &(<a class="code" href="classNL3D_1_1CQuadGrid.html#o1">_Size</a>-1);
00634 CQuadNode &quad= <a class="code" href="classNL3D_1_1CQuadGrid.html#o0">_Grid</a>[(ye<<<a class="code" href="classNL3D_1_1CQuadGrid.html#o2">_SizePower</a>)+xe];
00635 <a class="code" href="classNL3D_1_1CQuadGrid.html#c3">addQuadNodeToSelection</a>(quad);
00636 }
00637 }
00638
00639 }
00640 <font class="comment">// ***************************************************************************</font>
<a name="l00641"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z743_3">00641</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keyword">typename</font> CQuadGrid<T>::CIterator CQuadGrid<T>::begin()
00642 {
00643 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a>((CNode*)(<a class="code" href="classNL3D_1_1CQuadGrid.html#o5">_SelectedList</a>.<a class="code" href="classNL3D_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>));
00644 }
00645 <font class="comment">// ***************************************************************************</font>
<a name="l00646"></a><a class="code" href="classNL3D_1_1CQuadGrid.html#z743_4">00646</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keyword">typename</font> CQuadGrid<T>::CIterator CQuadGrid<T>::end()
00647 {
00648 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadGrid.html#l0">CIterator</a>(NULL);
00649 }
00650
00651
00652 } <font class="comment">// NL3D</font>
00653
00654
00655 <font class="preprocessor">#endif // NL_QUAD_GRID_H</font>
00656 <font class="preprocessor"></font>
00657 <font class="comment">/* End of quad_grid.h */</font>
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