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<div class="title">emitter.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef ENTT_SIGNAL_EMITTER_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define ENTT_SIGNAL_EMITTER_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160; </div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;iterator&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;../config/config.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;../core/fwd.hpp&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;../core/type_info.hpp&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html"> 43</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1emitter.html">emitter</a> {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">struct </span>basic_pool {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">virtual</span> ~basic_pool() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1emitter.html#a08c6111af231c9a82277069a3bf21b75">empty</a>() <span class="keyword">const</span> ENTT_NOEXCEPT = 0;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a4e4324c59afee760ca13772eb6d2d522">clear</a>() ENTT_NOEXCEPT = 0;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">virtual</span> <a class="code" href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">id_type</a> type_id() <span class="keyword">const</span> ENTT_NOEXCEPT = 0;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; };</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">struct </span>pool_handler final: basic_pool {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">using</span> listener_type = std::function&lt;void(Event &amp;, Derived &amp;)&gt;;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">using</span> element_type = std::pair&lt;bool, listener_type&gt;;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keyword">using</span> container_type = std::list&lt;element_type&gt;;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">using</span> connection_type = <span class="keyword">typename</span> container_type::iterator;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1emitter.html#a08c6111af231c9a82277069a3bf21b75">empty</a>() <span class="keyword">const</span> ENTT_NOEXCEPT <span class="keyword">override</span> {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">auto</span> pred = [](<span class="keyword">auto</span> &amp;&amp;element) { <span class="keywordflow">return</span> element.first; };</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">return</span> std::all_of(once_list.cbegin(), once_list.cend(), pred) &amp;&amp;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; std::all_of(on_list.cbegin(), on_list.cend(), pred);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a4e4324c59afee760ca13772eb6d2d522">clear</a>() ENTT_NOEXCEPT <span class="keyword">override</span> {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">if</span>(publishing) {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> &amp;&amp;element: once_list) {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; element.first = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> &amp;&amp;element: on_list) {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; element.first = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; once_list.clear();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; on_list.clear();</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; connection_type <a class="code" href="classentt_1_1emitter.html#a79834d452b0600ebe0e70c54f4a21fd6">once</a>(listener_type <a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener</a>) {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">return</span> once_list.emplace(once_list.cend(), <span class="keyword">false</span>, std::move(<a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener</a>));</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; connection_type <a class="code" href="classentt_1_1emitter.html#a0b580005200bb810a4a3e94320efcd8a">on</a>(listener_type <a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener</a>) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> on_list.emplace(on_list.cend(), <span class="keyword">false</span>, std::move(<a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener</a>));</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a9525364769b8daf55dd942599aa0a09c">erase</a>(connection_type conn) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; conn-&gt;first = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">if</span>(!publishing) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keyword">auto</span> pred = [](<span class="keyword">auto</span> &amp;&amp;element) { <span class="keywordflow">return</span> element.first; };</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; once_list.remove_if(pred);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; on_list.remove_if(pred);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a4ece275ff8736bcdcfb4103087801ea2">publish</a>(Event &amp;event, Derived &amp;ref) {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; container_type swap_list;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; once_list.swap(swap_list);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; publishing = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> &amp;&amp;element: on_list) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; element.first ? void() : element.second(event, ref);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> &amp;&amp;element: swap_list) {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; element.first ? void() : element.second(event, ref);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; publishing = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; on_list.remove_if([](<span class="keyword">auto</span> &amp;&amp;element) { <span class="keywordflow">return</span> element.first; });</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; [[nodiscard]] <a class="code" href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">id_type</a> type_id() <span class="keyword">const</span> ENTT_NOEXCEPT <span class="keyword">override</span> {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structentt_1_1type__info.html#aefa2a63e4b4f41dbb783718bdc8c5a76">type_info&lt;Event&gt;::id</a>();</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordtype">bool</span> publishing{<span class="keyword">false</span>};</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; container_type once_list{};</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; container_type on_list{};</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; };</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; [[nodiscard]] <span class="keyword">const</span> pool_handler&lt;Event&gt; &amp; assure()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; static_assert(std::is_same_v&lt;Event, std::decay_t&lt;Event&gt;&gt;, <span class="stringliteral">&quot;Invalid event type&quot;</span>);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">if</span> constexpr(ENTT_FAST_PATH(has_type_index_v&lt;Event&gt;)) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> index = <a class="code" href="structentt_1_1type__index.html#ac1a87730c605024e3fb6426fc633380e">type_index&lt;Event&gt;::value</a>();</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">if</span>(!(index &lt; pools.size())) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; pools.resize(index+1u);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">if</span>(!pools[index]) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; pools[index].reset(<span class="keyword">new</span> pool_handler&lt;Event&gt;{});</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>pool_handler&lt;Event&gt; &amp;<span class="keyword">&gt;</span>(*pools[index]);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">auto</span> it = std::find_if(pools.begin(), pools.end(), [<span class="keywordtype">id</span> = <a class="code" href="structentt_1_1type__info.html">type_info&lt;Event&gt;::id</a>()](<span class="keyword">const</span> <span class="keyword">auto</span> &amp;cpool) { return id == cpool-&gt;type_id(); });</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>pool_handler&lt;Event&gt; &amp;<span class="keyword">&gt;</span>(it == pools.cend() ? *pools.emplace_back(<span class="keyword">new</span> pool_handler&lt;Event&gt;{}) : **it);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; [[nodiscard]] pool_handler&lt;Event&gt; &amp; assure() {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">return</span> <span class="keyword">const_cast&lt;</span>pool_handler&lt;Event&gt; &amp;<span class="keyword">&gt;</span>(std::as_const(*this).template assure&lt;Event&gt;());</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da"> 157</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener</a> = <span class="keyword">typename</span> pool_handler&lt;Event&gt;::listener_type;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="structentt_1_1emitter_1_1connection.html"> 169</a></span>&#160; <span class="keyword">struct </span><a class="code" href="structentt_1_1emitter_1_1connection.html">connection</a>: <span class="keyword">private</span> pool_handler&lt;Event&gt;::connection_type {</div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="structentt_1_1emitter_1_1connection.html#a0f3bb10ad57dc0e06298fc9ba38a7bd9"> 171</a></span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classentt_1_1emitter.html">emitter</a>;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="structentt_1_1emitter_1_1connection.html#a3dcb29742c6824dd28743eb0d896f9c3"> 174</a></span>&#160; <a class="code" href="structentt_1_1emitter_1_1connection.html#a3dcb29742c6824dd28743eb0d896f9c3">connection</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="structentt_1_1emitter_1_1connection.html#a0fa687596e072155e92e586e9de089c3"> 180</a></span>&#160; <a class="code" href="structentt_1_1emitter_1_1connection.html#a0fa687596e072155e92e586e9de089c3">connection</a>(<span class="keyword">typename</span> pool_handler&lt;Event&gt;::connection_type conn)</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; : pool_handler&lt;Event&gt;::connection_type{std::move(conn)}</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; {}</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; };</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#af36907a2dc7cc0a6607533c67e072f92"> 186</a></span>&#160; <a class="code" href="classentt_1_1emitter.html#af36907a2dc7cc0a6607533c67e072f92">emitter</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#af3d352c547768be34f03f0fbfdd30b43"> 189</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classentt_1_1emitter.html#af3d352c547768be34f03f0fbfdd30b43">~emitter</a>() {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; static_assert(std::is_base_of_v&lt;<a class="code" href="classentt_1_1emitter.html">emitter&lt;Derived&gt;</a>, Derived&gt;, <span class="stringliteral">&quot;Incorrect use of the class template&quot;</span>);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a842fef69b914a160b0bcc211bb77b27b"> 194</a></span>&#160; <a class="code" href="classentt_1_1emitter.html#a842fef69b914a160b0bcc211bb77b27b">emitter</a>(<a class="code" href="classentt_1_1emitter.html">emitter</a> &amp;&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#ab270d2c6d986621a781467e29e64629c"> 197</a></span>&#160; <a class="code" href="classentt_1_1emitter.html">emitter</a> &amp; <a class="code" href="classentt_1_1emitter.html#ab270d2c6d986621a781467e29e64629c">operator=</a>(<a class="code" href="classentt_1_1emitter.html">emitter</a> &amp;&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; </div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event, <span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a4ece275ff8736bcdcfb4103087801ea2"> 211</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a4ece275ff8736bcdcfb4103087801ea2">publish</a>(Args &amp;&amp;... args) {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; Event instance{std::forward&lt;Args&gt;(args)...};</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; assure&lt;Event&gt;().publish(instance, *<span class="keyword">static_cast&lt;</span>Derived *<span class="keyword">&gt;</span>(<span class="keyword">this</span>));</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a0b580005200bb810a4a3e94320efcd8a"> 237</a></span>&#160; <a class="code" href="structentt_1_1emitter_1_1connection.html">connection&lt;Event&gt;</a> <a class="code" href="classentt_1_1emitter.html#a0b580005200bb810a4a3e94320efcd8a">on</a>(<a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener&lt;Event&gt;</a> instance) {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">return</span> assure&lt;Event&gt;().on(std::move(instance));</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a79834d452b0600ebe0e70c54f4a21fd6"> 262</a></span>&#160; <a class="code" href="structentt_1_1emitter_1_1connection.html">connection&lt;Event&gt;</a> <a class="code" href="classentt_1_1emitter.html#a79834d452b0600ebe0e70c54f4a21fd6">once</a>(<a class="code" href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">listener&lt;Event&gt;</a> instance) {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordflow">return</span> assure&lt;Event&gt;().once(std::move(instance));</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a9525364769b8daf55dd942599aa0a09c"> 276</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a9525364769b8daf55dd942599aa0a09c">erase</a>(<a class="code" href="structentt_1_1emitter_1_1connection.html">connection&lt;Event&gt;</a> conn) {</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; assure&lt;Event&gt;().erase(std::move(conn));</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; }</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00289"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a4e4324c59afee760ca13772eb6d2d522"> 289</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a4e4324c59afee760ca13772eb6d2d522">clear</a>() {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; assure&lt;Event&gt;().clear();</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; }</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; </div>
<div class="line"><a name="l00299"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a6682e0e07c03e22eb46b1fa8b863a8be"> 299</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1emitter.html#a6682e0e07c03e22eb46b1fa8b863a8be">clear</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> &amp;&amp;cpool: pools) {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordflow">if</span>(cpool) {</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; cpool-&gt;clear();</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; }</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; }</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; }</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event&gt;</div>
<div class="line"><a name="l00313"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a08c6111af231c9a82277069a3bf21b75"> 313</a></span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1emitter.html#a08c6111af231c9a82277069a3bf21b75">empty</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="keywordflow">return</span> assure&lt;Event&gt;().empty();</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; }</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; </div>
<div class="line"><a name="l00321"></a><span class="lineno"><a class="line" href="classentt_1_1emitter.html#a65fd05ecb3850be25f542bd3cf14be00"> 321</a></span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1emitter.html#a65fd05ecb3850be25f542bd3cf14be00">empty</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="keywordflow">return</span> std::all_of(pools.cbegin(), pools.cend(), [](<span class="keyword">auto</span> &amp;&amp;cpool) {</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; return !cpool || cpool-&gt;empty();</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; });</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; }</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; </div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; <span class="keyword">mutable</span> std::vector&lt;std::unique_ptr&lt;basic_pool&gt;&gt; pools{};</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160;};</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; </div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;}</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassentt_1_1emitter_html_a9525364769b8daf55dd942599aa0a09c"><div class="ttname"><a href="classentt_1_1emitter.html#a9525364769b8daf55dd942599aa0a09c">entt::emitter::erase</a></div><div class="ttdeci">void erase(connection&lt; Event &gt; conn)</div><div class="ttdoc">Disconnects a listener from the event emitter.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00276">emitter.hpp:276</a></div></div>
<div class="ttc" id="astructentt_1_1emitter_1_1connection_html_a3dcb29742c6824dd28743eb0d896f9c3"><div class="ttname"><a href="structentt_1_1emitter_1_1connection.html#a3dcb29742c6824dd28743eb0d896f9c3">entt::emitter::connection::connection</a></div><div class="ttdeci">connection()=default</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a4e4324c59afee760ca13772eb6d2d522"><div class="ttname"><a href="classentt_1_1emitter.html#a4e4324c59afee760ca13772eb6d2d522">entt::emitter::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Disconnects all the listeners for the given event type.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00289">emitter.hpp:289</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html"><div class="ttname"><a href="classentt_1_1emitter.html">entt::emitter</a></div><div class="ttdoc">General purpose event emitter.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00043">emitter.hpp:43</a></div></div>
<div class="ttc" id="astructentt_1_1emitter_1_1connection_html"><div class="ttname"><a href="structentt_1_1emitter_1_1connection.html">entt::emitter::connection</a></div><div class="ttdoc">Generic connection type for events.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00169">emitter.hpp:169</a></div></div>
<div class="ttc" id="astructentt_1_1emitter_1_1connection_html_a0fa687596e072155e92e586e9de089c3"><div class="ttname"><a href="structentt_1_1emitter_1_1connection.html#a0fa687596e072155e92e586e9de089c3">entt::emitter::connection::connection</a></div><div class="ttdeci">connection(typename pool_handler&lt; Event &gt;::connection_type conn)</div><div class="ttdoc">Creates a connection that wraps its underlying instance.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00180">emitter.hpp:180</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_af36907a2dc7cc0a6607533c67e072f92"><div class="ttname"><a href="classentt_1_1emitter.html#af36907a2dc7cc0a6607533c67e072f92">entt::emitter::emitter</a></div><div class="ttdeci">emitter()=default</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="astructentt_1_1type__index_html_ac1a87730c605024e3fb6426fc633380e"><div class="ttname"><a href="structentt_1_1type__index.html#ac1a87730c605024e3fb6426fc633380e">entt::type_index::value</a></div><div class="ttdeci">static id_type value() noexcept</div><div class="ttdoc">Returns the sequential identifier of a given type.</div><div class="ttdef"><b>Definition:</b> <a href="type__info_8hpp_source.html#l00064">type_info.hpp:64</a></div></div>
<div class="ttc" id="anamespaceentt_html_a13e040e7b38a8f86d1ab2f096f37b627"><div class="ttname"><a href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">entt::id_type</a></div><div class="ttdeci">std::uint32_t id_type</div><div class="ttdoc">Alias declaration for type identifiers.</div><div class="ttdef"><b>Definition:</b> <a href="core_2fwd_8hpp_source.html#l00012">fwd.hpp:12</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a65fd05ecb3850be25f542bd3cf14be00"><div class="ttname"><a href="classentt_1_1emitter.html#a65fd05ecb3850be25f542bd3cf14be00">entt::emitter::empty</a></div><div class="ttdeci">bool empty() const noexcept</div><div class="ttdoc">Checks if there are listeners registered with the event emitter.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00321">emitter.hpp:321</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a842fef69b914a160b0bcc211bb77b27b"><div class="ttname"><a href="classentt_1_1emitter.html#a842fef69b914a160b0bcc211bb77b27b">entt::emitter::emitter</a></div><div class="ttdeci">emitter(emitter &amp;&amp;)=default</div><div class="ttdoc">Default move constructor.</div></div>
<div class="ttc" id="astructentt_1_1type__info_html"><div class="ttname"><a href="structentt_1_1type__info.html">entt::type_info</a></div><div class="ttdoc">Type info.</div><div class="ttdef"><b>Definition:</b> <a href="type__info_8hpp_source.html#l00098">type_info.hpp:98</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a08c6111af231c9a82277069a3bf21b75"><div class="ttname"><a href="classentt_1_1emitter.html#a08c6111af231c9a82277069a3bf21b75">entt::emitter::empty</a></div><div class="ttdeci">bool empty() const</div><div class="ttdoc">Checks if there are listeners registered for the specific event.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00313">emitter.hpp:313</a></div></div>
<div class="ttc" id="anamespaceentt_html"><div class="ttname"><a href="namespaceentt.html">entt</a></div><div class="ttdoc">EnTT default namespace.</div><div class="ttdef"><b>Definition:</b> <a href="algorithm_8hpp_source.html#l00013">algorithm.hpp:13</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a1200216d9abb1adb18db6035d99b60da"><div class="ttname"><a href="classentt_1_1emitter.html#a1200216d9abb1adb18db6035d99b60da">entt::emitter::listener</a></div><div class="ttdeci">typename pool_handler&lt; Event &gt;::listener_type listener</div><div class="ttdoc">Type of listeners accepted for the given event.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00157">emitter.hpp:157</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a0b580005200bb810a4a3e94320efcd8a"><div class="ttname"><a href="classentt_1_1emitter.html#a0b580005200bb810a4a3e94320efcd8a">entt::emitter::on</a></div><div class="ttdeci">connection&lt; Event &gt; on(listener&lt; Event &gt; instance)</div><div class="ttdoc">Registers a long-lived listener with the event emitter.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00237">emitter.hpp:237</a></div></div>
<div class="ttc" id="astructentt_1_1type__info_html_aefa2a63e4b4f41dbb783718bdc8c5a76"><div class="ttname"><a href="structentt_1_1type__info.html#aefa2a63e4b4f41dbb783718bdc8c5a76">entt::type_info::id</a></div><div class="ttdeci">static id_type id() noexcept</div><div class="ttdoc">Returns the numeric representation of a given type.</div><div class="ttdef"><b>Definition:</b> <a href="type__info_8hpp_source.html#l00114">type_info.hpp:114</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_af3d352c547768be34f03f0fbfdd30b43"><div class="ttname"><a href="classentt_1_1emitter.html#af3d352c547768be34f03f0fbfdd30b43">entt::emitter::~emitter</a></div><div class="ttdeci">virtual ~emitter()</div><div class="ttdoc">Default destructor.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00189">emitter.hpp:189</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a79834d452b0600ebe0e70c54f4a21fd6"><div class="ttname"><a href="classentt_1_1emitter.html#a79834d452b0600ebe0e70c54f4a21fd6">entt::emitter::once</a></div><div class="ttdeci">connection&lt; Event &gt; once(listener&lt; Event &gt; instance)</div><div class="ttdoc">Registers a short-lived listener with the event emitter.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00262">emitter.hpp:262</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_ab270d2c6d986621a781467e29e64629c"><div class="ttname"><a href="classentt_1_1emitter.html#ab270d2c6d986621a781467e29e64629c">entt::emitter::operator=</a></div><div class="ttdeci">emitter &amp; operator=(emitter &amp;&amp;)=default</div><div class="ttdoc">Default move assignment operator.</div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a4ece275ff8736bcdcfb4103087801ea2"><div class="ttname"><a href="classentt_1_1emitter.html#a4ece275ff8736bcdcfb4103087801ea2">entt::emitter::publish</a></div><div class="ttdeci">void publish(Args &amp;&amp;... args)</div><div class="ttdoc">Emits the given event.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00211">emitter.hpp:211</a></div></div>
<div class="ttc" id="aclassentt_1_1emitter_html_a6682e0e07c03e22eb46b1fa8b863a8be"><div class="ttname"><a href="classentt_1_1emitter.html#a6682e0e07c03e22eb46b1fa8b863a8be">entt::emitter::clear</a></div><div class="ttdeci">void clear() noexcept</div><div class="ttdoc">Disconnects all the listeners.</div><div class="ttdef"><b>Definition:</b> <a href="emitter_8hpp_source.html#l00299">emitter.hpp:299</a></div></div>
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