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<title>Gamedev Framework (gf): Handle.h Source File</title>
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<div id="projectname">Gamedev Framework (gf)<span id="projectnumber"> 0.21.0</span>
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<div id="projectbrief">A C++17 framework for 2D games</div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Gamedev Framework (gf)</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (C) 2016-2021 Julien Bernard</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * This software is provided 'as-is', without any express or implied</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * warranty. In no event will the authors be held liable for any damages</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * arising from the use of this software.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * Permission is granted to anyone to use this software for any purpose,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * including commercial applications, and to alter it and redistribute it</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * freely, subject to the following restrictions:</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * 1. The origin of this software must not be misrepresented; you must not</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * claim that you wrote the original software. If you use this software</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * in a product, an acknowledgment in the product documentation would be</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * appreciated but is not required.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * 2. Altered source versions must be plainly marked as such, and must not be</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * misrepresented as being the original software.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> * 3. This notice may not be removed or altered from any source distribution.</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> */</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#ifndef GF_HANDLE_H</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#define GF_HANDLE_H</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "CoreApi.h"</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "Id.h"</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacegf.html">gf</a> {</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html"> 40</a></span> <span class="keyword">class </span>GF_CORE_API <a class="code hl_class" href="classgf_1_1_handle.html">Handle</a> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a7c28999d163a6d726965334f2f48df52"> 45</a></span> <a class="code hl_function" href="classgf_1_1_handle.html#a7c28999d163a6d726965334f2f48df52">Handle</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a1acdb723c7509a7d85bc070a71b89d8e"> 50</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classgf_1_1_handle.html#a1acdb723c7509a7d85bc070a71b89d8e">Handle</a>(<a class="code hl_typedef" href="group__core__vocabulary.html#ga375ce9d7d861b67c78398d51c1769410">Id</a> <span class="keywordtype">id</span>)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> : m_id(id)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> {</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a197f7515f1b5e5a62fa6a393b0fe5257"> 59</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classgf_1_1_handle.html#a197f7515f1b5e5a62fa6a393b0fe5257">Handle</a>(T& <span class="keywordtype">object</span>)</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> : m_ptr(&object)</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a1383fc9dfc36bcd54c3cd9792276ef3b"> 67</a></span> <a class="code hl_typedef" href="group__core__vocabulary.html#ga375ce9d7d861b67c78398d51c1769410">Id</a> <a class="code hl_function" href="classgf_1_1_handle.html#a1383fc9dfc36bcd54c3cd9792276ef3b">asId</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> m_id;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a5b389700cf2b5a0febde1acbc03e850b"> 75</a></span> <a class="code hl_enumvalue" href="group__graphics__devices.html#gga795d7d5e2f2a4f38b16b95e0e78cb626ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>& <a class="code hl_function" href="classgf_1_1_handle.html#a5b389700cf2b5a0febde1acbc03e850b">as</a>() {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span><a class="code hl_enumvalue" href="group__graphics__devices.html#gga795d7d5e2f2a4f38b16b95e0e78cb626ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>*<span class="keyword">></span>(m_ptr);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a5fc08380a9e3fc0c7807e5fb804303c2"> 83</a></span> <span class="keyword">const</span> <a class="code hl_enumvalue" href="group__graphics__devices.html#gga795d7d5e2f2a4f38b16b95e0e78cb626ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>& <a class="code hl_function" href="classgf_1_1_handle.html#a5fc08380a9e3fc0c7807e5fb804303c2">as</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code hl_enumvalue" href="group__graphics__devices.html#gga795d7d5e2f2a4f38b16b95e0e78cb626ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>*<span class="keyword">></span>(m_ptr);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">union </span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#af05776c86319e53c7bdd80d412cec3f0"> 89</a></span> <a class="code hl_typedef" href="group__core__vocabulary.html#ga375ce9d7d861b67c78398d51c1769410">Id</a> <a class="code hl_variable" href="classgf_1_1_handle.html#af05776c86319e53c7bdd80d412cec3f0">m_id</a>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classgf_1_1_handle.html#a5607419684d3b490aa5204c6aa68e7dc"> 90</a></span> <span class="keywordtype">void</span> * <a class="code hl_variable" href="classgf_1_1_handle.html#a5607419684d3b490aa5204c6aa68e7dc">m_ptr</a>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> };</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> };</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span>}</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span>}</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="preprocessor">#endif </span><span class="comment">// GF_HANDLE_H</span></div>
<div class="ttc" id="aclassgf_1_1_handle_html"><div class="ttname"><a href="classgf_1_1_handle.html">gf::Handle</a></div><div class="ttdoc">A handle to an object or an id.</div><div class="ttdef"><b>Definition:</b> Handle.h:40</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a1383fc9dfc36bcd54c3cd9792276ef3b"><div class="ttname"><a href="classgf_1_1_handle.html#a1383fc9dfc36bcd54c3cd9792276ef3b">gf::Handle::asId</a></div><div class="ttdeci">Id asId() const</div><div class="ttdoc">Get the contained id.</div><div class="ttdef"><b>Definition:</b> Handle.h:67</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a197f7515f1b5e5a62fa6a393b0fe5257"><div class="ttname"><a href="classgf_1_1_handle.html#a197f7515f1b5e5a62fa6a393b0fe5257">gf::Handle::Handle</a></div><div class="ttdeci">Handle(T &object)</div><div class="ttdoc">Coonstructor with an object.</div><div class="ttdef"><b>Definition:</b> Handle.h:59</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a1acdb723c7509a7d85bc070a71b89d8e"><div class="ttname"><a href="classgf_1_1_handle.html#a1acdb723c7509a7d85bc070a71b89d8e">gf::Handle::Handle</a></div><div class="ttdeci">Handle(Id id)</div><div class="ttdoc">Constructor with an id.</div><div class="ttdef"><b>Definition:</b> Handle.h:50</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a5607419684d3b490aa5204c6aa68e7dc"><div class="ttname"><a href="classgf_1_1_handle.html#a5607419684d3b490aa5204c6aa68e7dc">gf::Handle::m_ptr</a></div><div class="ttdeci">void * m_ptr</div><div class="ttdef"><b>Definition:</b> Handle.h:90</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a5b389700cf2b5a0febde1acbc03e850b"><div class="ttname"><a href="classgf_1_1_handle.html#a5b389700cf2b5a0febde1acbc03e850b">gf::Handle::as</a></div><div class="ttdeci">T & as()</div><div class="ttdoc">Get the reference to the object.</div><div class="ttdef"><b>Definition:</b> Handle.h:75</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a5fc08380a9e3fc0c7807e5fb804303c2"><div class="ttname"><a href="classgf_1_1_handle.html#a5fc08380a9e3fc0c7807e5fb804303c2">gf::Handle::as</a></div><div class="ttdeci">const T & as() const</div><div class="ttdoc">Get the reference to the object.</div><div class="ttdef"><b>Definition:</b> Handle.h:83</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_a7c28999d163a6d726965334f2f48df52"><div class="ttname"><a href="classgf_1_1_handle.html#a7c28999d163a6d726965334f2f48df52">gf::Handle::Handle</a></div><div class="ttdeci">Handle()=default</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="aclassgf_1_1_handle_html_af05776c86319e53c7bdd80d412cec3f0"><div class="ttname"><a href="classgf_1_1_handle.html#af05776c86319e53c7bdd80d412cec3f0">gf::Handle::m_id</a></div><div class="ttdeci">Id m_id</div><div class="ttdef"><b>Definition:</b> Handle.h:89</div></div>
<div class="ttc" id="agroup__core__vocabulary_html_ga375ce9d7d861b67c78398d51c1769410"><div class="ttname"><a href="group__core__vocabulary.html#ga375ce9d7d861b67c78398d51c1769410">gf::Id</a></div><div class="ttdeci">uint64_t Id</div><div class="ttdoc">An identifier.</div><div class="ttdef"><b>Definition:</b> Id.h:37</div></div>
<div class="ttc" id="agroup__graphics__devices_html_gga795d7d5e2f2a4f38b16b95e0e78cb626ab9ece18c950afbfa6b0fdbfa4ff731d3"><div class="ttname"><a href="group__graphics__devices.html#gga795d7d5e2f2a4f38b16b95e0e78cb626ab9ece18c950afbfa6b0fdbfa4ff731d3">gf::Scancode::T</a></div><div class="ttdeci">@ T</div></div>
<div class="ttc" id="anamespacegf_html"><div class="ttname"><a href="namespacegf.html">gf</a></div><div class="ttdoc">The namespace for gf classes.</div><div class="ttdef"><b>Definition:</b> Action.h:35</div></div>
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