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<hr><h1>surface_quad.cpp</h1><a href="surface__quad_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2001 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="stdpacs_8h.html">stdpacs.h</a>"</font>
00027 
00028 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00029 
00030 <font class="preprocessor">#include "<a class="code" href="surface__quad_8h.html">pacs/surface_quad.h</a>"</font>
00031 
00032 <font class="preprocessor">#include &lt;vector&gt;</font>
00033 
00034 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00035 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00036 
<a name="l00037"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a0">00037</a> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a0">NLPACS::CSurfaceQuadTree::CSurfaceQuadTree</a>()
00038 {
00039         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = NULL;
00040         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a> = FLT_MAX;
00041         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a> = 1;
00042         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(CVector::Null);
00043         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_2">setSize</a>(CVector::Null);
00044 }
00045 
<a name="l00046"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a1">00046</a> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a0">NLPACS::CSurfaceQuadTree::CSurfaceQuadTree</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html">NLPACS::CSurfaceQuadTree</a> &amp;quad)
00047 {
00048         *<font class="keyword">this</font> = quad;
00049 }
00050 
<a name="l00051"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a2">00051</a> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html">NLPACS::CSurfaceQuadTree</a>        &amp;<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a2">NLPACS::CSurfaceQuadTree::operator = </a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html">NLPACS::CSurfaceQuadTree</a> &amp;quad)
00052 {
00053         <font class="keywordflow">if</font> (&amp;quad == <font class="keyword">this</font>)
00054                 <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00055 
00056         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a> = quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a>;
00057         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a> = quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a>;
00058         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a> = quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>;
00059 
00060         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = NULL;
00061         <font class="keywordflow">if</font> (quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> != NULL)
00062         {
00063                 <font class="keywordflow">if</font> (quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;isLeaf())
00064                 {
00065                         CQuadLeaf       *newLeaf = <font class="keyword">new</font> CQuadLeaf();
00066                         *newLeaf = *((CQuadLeaf *)(quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>));
00067                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = newLeaf;
00068                 }
00069                 <font class="keywordflow">else</font>
00070                 {
00071                         CQuadBranch     *newBranch = <font class="keyword">new</font> CQuadBranch();
00072                         *newBranch = *((CQuadBranch *)(quad.<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>));
00073                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = newBranch;
00074                 }
00075         }
00076 
00077         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00078 }
00079 
<a name="l00080"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a7">00080</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a7">NLPACS::CSurfaceQuadTree::clear</a>()
00081 {
00082         <font class="keyword">delete</font> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>;
00083         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = NULL;
00084 }
00085 
<a name="l00086"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a8">00086</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a8">NLPACS::CSurfaceQuadTree::init</a>(<font class="keywordtype">float</font> maxThickness, uint maxLevel, <font class="keyword">const</font> CVector &amp;center, <font class="keywordtype">float</font> halfSize)
00087 {
00088         <a class="code" href="debug_8h.html#a6">nlassert</a>(maxLevel &gt; 0);
00089         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a7">clear</a>();
00090         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a> = maxThickness;
00091         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a> = maxLevel;
00092         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(center);
00093         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z263_1">setHalfSize</a>(CVector(halfSize, halfSize, 10000.0f));
00094 }
00095 
<a name="l00096"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a9">00096</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a9">NLPACS::CSurfaceQuadTree::addVertex</a>(<font class="keyword">const</font> CVector &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)
00097 {
00098         <font class="keywordflow">if</font> (!<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z265_2">include</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>))
00099                 <font class="keywordflow">return</font>;
00100 
00101         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> == NULL)
00102         {
00103                 <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a> == 1)
00104                 {
00105                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = <font class="keyword">new</font> CQuadLeaf(<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a>);
00106                 }
00107                 <font class="keywordflow">else</font>
00108                 {
00109                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = <font class="keyword">new</font> CQuadBranch(<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a>);
00110                 }
00111 
00112                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;_MaxThickness = <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a>;
00113                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;_HalfSize = <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_5">getHalfSize</a>().x;
00114                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;_MinHeight = FLT_MAX;
00115                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;_MaxHeight = -FLT_MAX;
00116                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;_XCenter = <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_4">getCenter</a>().x;
00117                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;_YCenter = <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z264_4">getCenter</a>().y;
00118         }
00119 
00120         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;addVertex(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00121 }
00122 
<a name="l00123"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a10">00123</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a10">NLPACS::CSurfaceQuadTree::compile</a>()
00124 {
00125         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> != NULL &amp;&amp;
00126                 !<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;isLeaf() &amp;&amp;
00127                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;getMaxHeight()-<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;getMinHeight() &lt;= <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a>)
00128         {
00129                 CQuadLeaf       *leaf = <font class="keyword">new</font> CQuadLeaf();
00130                 *((IQuadNode *)leaf) = *<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>;
00131                 <font class="keyword">delete</font> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>;
00132                 <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = leaf;
00133         }
00134         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> != NULL &amp;&amp;
00135                          !<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;isLeaf())
00136         {
00137                 ((CQuadBranch *)<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>)-&gt;reduceChildren();
00138         }
00139 }
00140 
00141 
<a name="l00142"></a><a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">00142</a> <a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">NLPACS::CQuadBranch::CQuadBranch</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html">NLPACS::CQuadBranch</a> &amp;branch) : NLPACS::IQuadNode(branch)
00143 {
00144         *<font class="keyword">this</font> = branch;
00145 }
00146 
<a name="l00147"></a><a class="code" href="classNLPACS_1_1CQuadBranch.html#a3">00147</a> <a class="code" href="classNLPACS_1_1CQuadBranch.html">NLPACS::CQuadBranch</a>     &amp;<a class="code" href="classNLPACS_1_1CQuadBranch.html#a3">NLPACS::CQuadBranch::operator = </a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html">NLPACS::CQuadBranch</a> &amp;branch)
00148 {
00149         IQuadNode::operator=(branch);
00150 
00151         uint    child;
00152         <font class="keywordflow">for</font> (child=0; child&lt;4; ++child)
00153         {
00154                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = NULL;
00155                 <font class="keywordflow">if</font> (branch.<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] != NULL)
00156                 {
00157                         <font class="keywordflow">if</font> (branch.<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;isLeaf())
00158                         {
00159                                 <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>       *newLeaf = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>();
00160                                 *newLeaf = *((<a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a> *)(branch.<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]));
00161                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = newLeaf;
00162                         }
00163                         <font class="keywordflow">else</font>
00164                         {
00165                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a>     *newBranch = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a>();
00166                                 *newBranch = *((<a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a> *)(branch.<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]));
00167                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = newBranch;
00168                         }
00169                 }
00170         }
00171         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00172 }
00173 
<a name="l00174"></a><a class="code" href="classNLPACS_1_1CQuadBranch.html#b0">00174</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CQuadBranch.html#b0">NLPACS::CQuadBranch::reduceChildren</a>()
00175 {
00176         uint    i;
00177 
00178         <font class="keywordflow">for</font> (i=0; i&lt;4; ++i)
00179         {
00180                 <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i] != NULL &amp;&amp;
00181                         !<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i]-&gt;isLeaf() &amp;&amp;
00182                         <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i]-&gt;getMaxHeight()-<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i]-&gt;getMinHeight() &lt;= <a class="code" href="classNLPACS_1_1IQuadNode.html#n2">_MaxThickness</a>)
00183                 {
00184                         <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>       *leaf = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>();
00185                         *((<a class="code" href="classNLPACS_1_1IQuadNode.html#b0">IQuadNode</a> *)leaf) = *<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i];
00186                         <font class="keyword">delete</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i];
00187                         <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i] = leaf;
00188                 }
00189                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i] != NULL &amp;&amp;
00190                                  !<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i]-&gt;isLeaf())
00191                 {
00192                         ((<a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a> *)<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[i])-&gt;reduceChildren();
00193                 }
00194         }
00195 }
00196 
<a name="l00197"></a><a class="code" href="classNLPACS_1_1CQuadBranch.html#a7">00197</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CQuadBranch.html#a7">NLPACS::CQuadBranch::addVertex</a>(<font class="keyword">const</font> CVector &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)
00198 {
00199         IQuadNode::addVertex(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00200         uint    child;
00201         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.x &gt; <a class="code" href="classNLPACS_1_1IQuadNode.html#n4">_XCenter</a>)
00202                 child = (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y &gt; <a class="code" href="classNLPACS_1_1IQuadNode.html#n5">_YCenter</a>) ? 2 : 1;
00203         <font class="keywordflow">else</font>
00204                 child = (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y &gt; <a class="code" href="classNLPACS_1_1IQuadNode.html#n5">_YCenter</a>) ? 3 : 0;
00205 
00206         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] == NULL)
00207         {
00208                 <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1IQuadNode.html#n3">_Level</a> == 2)
00209                 {
00210                         <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>(<a class="code" href="classNLPACS_1_1IQuadNode.html#n3">_Level</a>-1);
00211                 }
00212                 <font class="keywordflow">else</font>
00213                 {
00214                         <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a>(<a class="code" href="classNLPACS_1_1IQuadNode.html#n3">_Level</a>-1);
00215                 }
00216 
00217                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_MaxThickness = <a class="code" href="classNLPACS_1_1IQuadNode.html#n2">_MaxThickness</a>;
00218                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_HalfSize = <a class="code" href="classNLPACS_1_1IQuadNode.html#n6">_HalfSize</a>/2.0f;
00219                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_MinHeight = FLT_MAX;
00220                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_MaxHeight = -FLT_MAX;
00221                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_XCenter = <a class="code" href="classNLPACS_1_1IQuadNode.html#n4">_XCenter</a>+<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_HalfSize*((child == 1 || child == 2) ? 1.0f : -1.0f);
00222                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_YCenter = <a class="code" href="classNLPACS_1_1IQuadNode.html#n5">_YCenter</a>+<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;_HalfSize*((child == 2 || child == 3) ? 1.0f : -1.0f);
00223         }
00224 
00225         <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;addVertex(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00226 }
00227 
<a name="l00228"></a><a class="code" href="classNLPACS_1_1CQuadBranch.html#a8">00228</a> <font class="keywordtype">bool</font>    <a class="code" href="classNLPACS_1_1CQuadBranch.html#a8">NLPACS::CQuadBranch::check</a>()<font class="keyword"> const</font>
00229 <font class="keyword"></font>{
00230         <font class="keywordflow">if</font> (!IQuadNode::check())
00231                 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00232 
00233         uint    child;
00234         <font class="keywordflow">for</font> (child=0; child&lt;4; ++child)
00235                 <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] != NULL &amp;&amp; !<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;check())
00236                         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00237         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00238 }
00239 
00240 
00241 <font class="comment">/*</font>
00242 <font class="comment"> * Serialization methods...</font>
00243 <font class="comment"> */</font>
00244 
00245 
<a name="l00246"></a><a class="code" href="classNLPACS_1_1CQuadBranch.html#a10">00246</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CQuadBranch.html#a10">NLPACS::CQuadBranch::serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f)
00247 {
00248         IQuadNode::serial(f);
00249 
00250         uint    child;
00251         <font class="keywordflow">for</font> (child=0; child&lt;4; ++child)
00252         {
00253                 uint8   childType = 0;
00254 
00255                 <font class="keywordflow">if</font> (f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>())
00256                 {
00257                         <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>       *leaf; 
00258                         <a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a>     *branch;
00259                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(childType);
00260                         <font class="keywordflow">switch</font> (childType)
00261                         {
00262                         <font class="keywordflow">case</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#s3s0">NoChild</a>:
00263                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = NULL;
00264                                 <font class="keywordflow">break</font>;
00265                         <font class="keywordflow">case</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#s3s1">LeafChild</a>:
00266                                 leaf = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1IQuadNode.html#l1">CQuadLeaf</a>(); 
00267                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = leaf;
00268                                 leaf-&gt;serial(f);
00269                                 <font class="keywordflow">break</font>;
00270                         <font class="keywordflow">case</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#s3s2">BranchChild</a>:
00271                                 branch = <font class="keyword">new</font> <a class="code" href="classNLPACS_1_1CQuadBranch.html#a0">CQuadBranch</a>();;
00272                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] = branch;
00273                                 branch-&gt;serial(f);
00274                                 <font class="keywordflow">break</font>;
00275                         <font class="keywordflow">default</font>:
00276                                 <a class="code" href="debug_8h.html#a3">nlerror</a>(<font class="stringliteral">"While serializing (read) CQuadBranch: unknown child type"</font>);
00277                                 <font class="keywordflow">break</font>;
00278                         }
00279                 }
00280                 <font class="keywordflow">else</font>
00281                 {
00282                         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child] == NULL)
00283                         {
00284                                 childType = <a class="code" href="classNLPACS_1_1CQuadBranch.html#s3s0">NoChild</a>;
00285                                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(childType);
00286                         }
00287                         <font class="keywordflow">else</font>
00288                         {
00289                                 childType = (<a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;isLeaf()) ? <a class="code" href="classNLPACS_1_1CQuadBranch.html#s3s1">LeafChild</a> : <a class="code" href="classNLPACS_1_1CQuadBranch.html#s3s2">BranchChild</a>;
00290                                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(childType);
00291                                 <a class="code" href="classNLPACS_1_1CQuadBranch.html#n0">_Children</a>[child]-&gt;serial(f);
00292                         }
00293                 }
00294         }
00295 }
00296 
<a name="l00297"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a11">00297</a> <font class="keywordtype">bool</font>    <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a11">NLPACS::CSurfaceQuadTree::check</a>()<font class="keyword"> const</font>
00298 <font class="keyword"></font>{
00299         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> != NULL)
00300                 <font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;check();
00301         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00302 }
00303 
<a name="l00304"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a12">00304</a> <font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadLeaf.html">NLPACS::CQuadLeaf</a> *<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a12">NLPACS::CSurfaceQuadTree::getLeaf</a>(<font class="keyword">const</font> CVector &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)<font class="keyword"> const</font>
00305 <font class="keyword"></font>{
00306         CVector pos = CVector(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.x, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y, 0.0f);
00307         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> == NULL || !<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z265_2">include</a>(pos))
00308                 <font class="keywordflow">return</font> NULL;
00309 
00310         <font class="keyword">const</font> IQuadNode *node = <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>;
00311 
00312         <font class="keywordflow">while</font> (node != NULL &amp;&amp; !node-&gt;isLeaf())
00313         {
00314                 <a class="code" href="debug_8h.html#a6">nlassert</a>(node-&gt;getBBox().include(pos));
00315                 uint    child;
00316 
00317                 <font class="keywordflow">if</font> (pos.x &gt; node-&gt;_XCenter)
00318                         child = ((pos.y &gt; node-&gt;_YCenter) ? 2 : 1);
00319                 <font class="keywordflow">else</font>
00320                         child = ((pos.y &gt; node-&gt;_YCenter) ? 3 : 0);
00321 
00322                 node = node-&gt;getChild(child);
00323         }
00324 
00325         <font class="keywordflow">return</font> (<font class="keyword">const</font> CQuadLeaf *)node;
00326 }
00327 
00328 
<a name="l00329"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a15">00329</a> <font class="keywordtype">void</font>    <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a15">NLPACS::CSurfaceQuadTree::serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f)
00330 {
00331         <font class="comment">/*</font>
00332 <font class="comment">        Version 0:</font>
00333 <font class="comment">                - base version.</font>
00334 <font class="comment">        */</font>
00335         (void)f.<a class="code" href="classNLMISC_1_1IStream.html#a29">serialVersion</a>(0);
00336 
00337         uint8   childType = 0;
00338         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n1">_MaxThickness</a>);
00339         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n2">_MaxLevel</a>);
00340         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>);
00341         <font class="keywordflow">if</font> (f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>())
00342         {
00343                 CQuadLeaf       *leaf; 
00344                 CQuadBranch     *branch;
00345 
00346                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(childType);
00347                 <font class="keywordflow">switch</font> (childType)
00348                 {
00349                 <font class="keywordflow">case</font> CQuadBranch::NoChild:
00350                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = NULL;
00351                         <font class="keywordflow">break</font>;
00352                 <font class="keywordflow">case</font> CQuadBranch::LeafChild:
00353                         leaf = <font class="keyword">new</font> CQuadLeaf();
00354                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = leaf;
00355                         leaf-&gt;serial(f);
00356                         <font class="keywordflow">break</font>;
00357                 <font class="keywordflow">case</font> CQuadBranch::BranchChild:
00358                         branch = <font class="keyword">new</font> CQuadBranch();
00359                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> = branch;
00360                         branch-&gt;serial(f);
00361                         <font class="keywordflow">break</font>;
00362                 <font class="keywordflow">default</font>:
00363                         <a class="code" href="debug_8h.html#a3">nlerror</a>(<font class="stringliteral">"While serializing (read) CQuadBranch: unknown child type"</font>);
00364                         <font class="keywordflow">break</font>;
00365                 }
00366         }
00367         <font class="keywordflow">else</font>
00368         {
00369                 <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> == NULL)
00370                 {
00371                         childType = CQuadBranch::NoChild;
00372                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(childType);
00373                 }
00374                 <font class="keywordflow">else</font>
00375                 {
00376                         childType = (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;isLeaf()) ? CQuadBranch::LeafChild : CQuadBranch::BranchChild;
00377                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(childType);
00378                         <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>-&gt;serial(f);
00379                 }
00380         }
00381 }
00382 
00383 <font class="comment">//</font>
<a name="l00384"></a><a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a13">00384</a> <font class="keywordtype">float</font>   <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#a13">NLPACS::CSurfaceQuadTree::getInterpZ</a>(<font class="keyword">const</font> CVector &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>)<font class="keyword"> const</font>
00385 <font class="keyword"></font>{
00386         <font class="comment">// first get final leaf for position</font>
00387         CVector pos = CVector(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.x, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y, 0.0f);
00388         <font class="keywordflow">if</font> (<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a> == NULL || !<a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n3">_BBox</a>.<a class="code" href="classNLMISC_1_1CAABBox.html#z265_2">include</a>(pos))
00389                 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.z;     <font class="comment">// return unmodified z</font>
00390 
00391         <font class="keyword">const</font> IQuadNode                         *node = <a class="code" href="classNLPACS_1_1CSurfaceQuadTree.html#n0">_Root</a>;
00392         vector&lt;uint&gt;                            children;
00393         vector&lt;const IQuadNode*&gt;        nodes;
00394 
00395         <font class="keywordflow">while</font> (node != NULL &amp;&amp; !node-&gt;isLeaf())
00396         {
00397                 nodes.push_back(node);
00398 
00399                 <a class="code" href="debug_8h.html#a6">nlassert</a>(node-&gt;getBBox().include(pos));
00400                 uint    child;
00401 
00402                 <font class="keywordflow">if</font> (pos.x &gt; node-&gt;_XCenter)
00403                         child = ((pos.y &gt; node-&gt;_YCenter) ? 2 : 1);
00404                 <font class="keywordflow">else</font>
00405                         child = ((pos.y &gt; node-&gt;_YCenter) ? 3 : 0);
00406 
00407                 children.push_back(child);
00408 
00409                 node = node-&gt;getChild(child);
00410         }
00411 
00412         <font class="keywordflow">if</font> (node == NULL)
00413                 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.z;     <font class="comment">// return unmodified z</font>
00414 
00415         nodes.push_back(node);
00416 
00417         vector&lt;const CQuadLeaf*&gt;        leaves;
00418         vector&lt;const IQuadNode*&gt;        explore;
00419 
00420         leaves.push_back((<font class="keyword">const</font> CQuadLeaf*)node);
00421 
00422         <font class="comment">// for each side of the leaf, find neighbor leaves</font>
00423         uint    side;
00424         <font class="keywordflow">for</font> (side=0; side&lt;4; ++side)
00425         {
00426                 <font class="keyword">static</font> <font class="keyword">const</font> sint       ct[4][4] = { {-1, 1, 3,-1}, {-1,-1, 2, 0}, { 1,-1,-1, 3}, { 0, 2,-1,-1} };      <font class="comment">// child table</font>
00427                 <font class="keyword">static</font> <font class="keyword">const</font> sint       nt[4][4] = { { 3, 1, 3, 1}, { 2, 0, 2, 0}, { 1, 3, 1, 3}, { 0, 2, 0, 2} };      <font class="comment">// neighbor table</font>
00428 
00429                 sint    nlev = nodes.size()-1;
00430                 sint    child = -1;
00431 
00432                 <font class="keywordflow">while</font> (nlev &gt; 0)
00433                 {
00434                         child = ct[children[nlev-1]][side];
00435 
00436                         <font class="keywordflow">if</font> (child &gt;= 0)
00437                                 <font class="keywordflow">break</font>;
00438 
00439                         --nlev;
00440                 }
00441 
00442                 <font class="comment">// neighbor not found in root, leave</font>
00443                 <font class="keywordflow">if</font> (nlev == 0)
00444                         <font class="keywordflow">continue</font>;
00445 
00446                 <font class="comment">// get father</font>
00447                 node = nodes[nlev-1];
00448 
00449                 <font class="keywordflow">while</font> (nlev &lt; (sint)nodes.size() &amp;&amp; node!=NULL &amp;&amp; !node-&gt;isLeaf())
00450                 {
00451                         child = nt[children[nlev-1]][side];
00452                         node = node-&gt;getChild(child);
00453 
00454                         ++nlev;
00455                 }
00456 
00457                 <font class="keywordflow">if</font> (node == NULL)
00458                         <font class="keywordflow">continue</font>;
00459 
00460                 <font class="keywordflow">if</font> (node-&gt;isLeaf())
00461                 {
00462                         leaves.push_back((<font class="keyword">const</font> CQuadLeaf*)node);
00463                 }
00464                 <font class="keywordflow">else</font>
00465                 {
00466                         explore.push_back(node);
00467 
00468                         <font class="keywordflow">while</font> (!explore.empty())
00469                         {
00470                                 node = explore.back();
00471                                 explore.pop_back();
00472 
00473                                 <font class="keywordflow">if</font> (node == NULL)
00474                                         <font class="keywordflow">continue</font>;
00475 
00476                                 <font class="keywordflow">if</font> (node-&gt;isLeaf())
00477                                         leaves.push_back((<font class="keyword">const</font> CQuadLeaf*)node);
00478                                 <font class="keywordflow">else</font>
00479                                 {
00480                                         explore.push_back(node-&gt;getChild((side+2)&amp;3));
00481                                         explore.push_back(node-&gt;getChild((side+3)&amp;3));
00482                                 }
00483                         }
00484                 }
00485         }
00486 
00487         uint                    i;
00488         <font class="keywordtype">float</font>                   di, wi;
00489         <font class="keywordtype">float</font>                   sum = 0.0;
00490         <font class="keywordtype">float</font>                   interpZ = 0.0;
00491 
00492         <font class="keywordflow">for</font> (i=0; i&lt;leaves.size(); ++i)
00493         {
00494                 di = (float)sqrt(<a class="code" href="namespaceNLMISC.html#a214">sqr</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.x-leaves[i]-&gt;_XCenter)+<a class="code" href="namespaceNLMISC.html#a214">sqr</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y-leaves[i]-&gt;_YCenter))*(float)pow(1.5, leaves[i]-&gt;_Level);
00495                 wi = 1.0f/di;
00496                 sum += wi;
00497                 interpZ += (leaves[i]-&gt;getMinHeight()+leaves[i]-&gt;getMaxHeight())*0.5f*wi;
00498         }
00499 
00500         <font class="keywordflow">return</font> interpZ / sum;
00501 }
</pre></div>

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