<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Irrlicht 3D Engine: IReferenceCounted.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> </head> <body> <div id="top"><!-- do not remove this div! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectlogo"><img alt="Logo" src="irrlichtlogo.png"/></td> <td style="padding-left: 0.5em;"> <div id="projectname">Irrlicht 3D Engine </div> </td> <td> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </td> </tr> </tbody> </table> </div> <!-- Generated by Doxygen 1.7.5.1 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <script type="text/javascript" src="dynsections.js"></script> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('_i_reference_counted_8h.html',''); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">IReferenceCounted.h</div> </div> </div> <div class="contents"> <a href="_i_reference_counted_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (C) 2002-2012 Nikolaus Gebhardt</span> <a name="l00002"></a>00002 <span class="comment">// This file is part of the "Irrlicht Engine".</span> <a name="l00003"></a>00003 <span class="comment">// For conditions of distribution and use, see copyright notice in irrlicht.h</span> <a name="l00004"></a>00004 <a name="l00005"></a>00005 <span class="preprocessor">#ifndef __I_IREFERENCE_COUNTED_H_INCLUDED__</span> <a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define __I_IREFERENCE_COUNTED_H_INCLUDED__</span> <a name="l00007"></a>00007 <span class="preprocessor"></span> <a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="irr_types_8h.html">irrTypes.h</a>"</span> <a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="keyword">namespace </span>irr <a name="l00011"></a>00011 { <a name="l00012"></a>00012 <a name="l00014"></a>00014 <a name="l00041"></a><a class="code" href="classirr_1_1_i_reference_counted.html">00041</a> <span class="keyword">class </span><a class="code" href="classirr_1_1_i_reference_counted.html" title="Base class of most objects of the Irrlicht Engine.">IReferenceCounted</a> <a name="l00042"></a>00042 { <a name="l00043"></a>00043 <span class="keyword">public</span>: <a name="l00044"></a>00044 <a name="l00046"></a><a class="code" href="classirr_1_1_i_reference_counted.html#a8411682018e68a2752d4c82675c71040">00046</a> <a class="code" href="classirr_1_1_i_reference_counted.html#a8411682018e68a2752d4c82675c71040" title="Constructor.">IReferenceCounted</a>() <a name="l00047"></a>00047 : DebugName(0), ReferenceCounter(1) <a name="l00048"></a>00048 { <a name="l00049"></a>00049 } <a name="l00050"></a>00050 <a name="l00052"></a><a class="code" href="classirr_1_1_i_reference_counted.html#a78abc75801cbb13d9db0955b3c07251c">00052</a> <span class="keyword">virtual</span> <a class="code" href="classirr_1_1_i_reference_counted.html#a78abc75801cbb13d9db0955b3c07251c" title="Destructor.">~IReferenceCounted</a>() <a name="l00053"></a>00053 { <a name="l00054"></a>00054 } <a name="l00055"></a>00055 <a name="l00057"></a>00057 <a name="l00086"></a><a class="code" href="classirr_1_1_i_reference_counted.html#a2b7a035532e5f409ca9482dab79185f4">00086</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1_i_reference_counted.html#a2b7a035532e5f409ca9482dab79185f4" title="Grabs the object. Increments the reference counter by one.">grab</a>()<span class="keyword"> const </span>{ ++ReferenceCounter; } <a name="l00087"></a>00087 <a name="l00089"></a>00089 <a name="l00116"></a><a class="code" href="classirr_1_1_i_reference_counted.html#afb169a857e0d2cdb96b8821cb9bff17a">00116</a> <span class="keywordtype">bool</span> <a class="code" href="classirr_1_1_i_reference_counted.html#afb169a857e0d2cdb96b8821cb9bff17a" title="Drops the object. Decrements the reference counter by one.">drop</a>()<span class="keyword"> const</span> <a name="l00117"></a>00117 <span class="keyword"> </span>{ <a name="l00118"></a>00118 <span class="comment">// someone is doing bad reference counting.</span> <a name="l00119"></a>00119 <a class="code" href="irr_types_8h.html#a12f3b5fd18ca108f90c5c74db602267e" title="define a break macro for debugging.">_IRR_DEBUG_BREAK_IF</a>(ReferenceCounter <= 0) <a name="l00120"></a>00120 <a name="l00121"></a>00121 --ReferenceCounter; <a name="l00122"></a>00122 <span class="keywordflow">if</span> (!ReferenceCounter) <a name="l00123"></a>00123 { <a name="l00124"></a>00124 <span class="keyword">delete</span> <span class="keyword">this</span>; <a name="l00125"></a>00125 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00126"></a>00126 } <a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00129"></a>00129 } <a name="l00130"></a>00130 <a name="l00132"></a>00132 <a name="l00133"></a><a class="code" href="classirr_1_1_i_reference_counted.html#a198560456588db46331f06eda909a399">00133</a> <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> <a class="code" href="classirr_1_1_i_reference_counted.html#a198560456588db46331f06eda909a399" title="Get the reference count.">getReferenceCount</a>()<span class="keyword"> const</span> <a name="l00134"></a>00134 <span class="keyword"> </span>{ <a name="l00135"></a>00135 <span class="keywordflow">return</span> ReferenceCounter; <a name="l00136"></a>00136 } <a name="l00137"></a>00137 <a name="l00139"></a>00139 <a name="l00142"></a><a class="code" href="classirr_1_1_i_reference_counted.html#a768e697e55d496e396b3acc5003d2bea">00142</a> <span class="keyword">const</span> <a class="code" href="namespaceirr.html#a9395eaea339bcb546b319e9c96bf7410" title="8 bit character variable.">c8</a>* <a class="code" href="classirr_1_1_i_reference_counted.html#a768e697e55d496e396b3acc5003d2bea" title="Returns the debug name of the object.">getDebugName</a>()<span class="keyword"> const</span> <a name="l00143"></a>00143 <span class="keyword"> </span>{ <a name="l00144"></a>00144 <span class="keywordflow">return</span> DebugName; <a name="l00145"></a>00145 } <a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="keyword">protected</span>: <a name="l00148"></a>00148 <a name="l00150"></a>00150 <a name="l00153"></a><a class="code" href="classirr_1_1_i_reference_counted.html#a704c5042d399fe8cd3bdd65a0559002a">00153</a> <span class="keywordtype">void</span> <a class="code" href="classirr_1_1_i_reference_counted.html#a704c5042d399fe8cd3bdd65a0559002a" title="Sets the debug name of the object.">setDebugName</a>(<span class="keyword">const</span> <a class="code" href="namespaceirr.html#a9395eaea339bcb546b319e9c96bf7410" title="8 bit character variable.">c8</a>* newName) <a name="l00154"></a>00154 { <a name="l00155"></a>00155 DebugName = newName; <a name="l00156"></a>00156 } <a name="l00157"></a>00157 <a name="l00158"></a>00158 <span class="keyword">private</span>: <a name="l00159"></a>00159 <a name="l00161"></a>00161 <span class="keyword">const</span> <a class="code" href="namespaceirr.html#a9395eaea339bcb546b319e9c96bf7410" title="8 bit character variable.">c8</a>* DebugName; <a name="l00162"></a>00162 <a name="l00164"></a>00164 <span class="keyword">mutable</span> <a class="code" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> ReferenceCounter; <a name="l00165"></a>00165 }; <a name="l00166"></a>00166 <a name="l00167"></a>00167 } <span class="comment">// end namespace irr</span> <a name="l00168"></a>00168 <a name="l00169"></a>00169 <span class="preprocessor">#endif</span> <a name="l00170"></a>00170 <span class="preprocessor"></span> </pre></div></div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="_i_reference_counted_8h.html">IReferenceCounted.h</a> </li> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Defines</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <li class="footer"> <a href="http://irrlicht.sourceforge.net" target="_blank">Irrlicht Engine</a> Documentation © 2003-2012 by Nikolaus Gebhardt. 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