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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_66e9674e8206a335795995fa32a03c91.html">entt</a></li><li class="navelem"><a class="el" href="dir_e3a7bb56c55e5c2286e2fe96e197d4f5.html">entity</a></li> </ul>
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<div class="title">runtime_view.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ENTT_ENTITY_RUNTIME_VIEW_HPP</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_ENTITY_RUNTIME_VIEW_HPP</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <iterator></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <cassert></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "../config/config.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "sparse_set.hpp"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "entity.hpp"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "fwd.hpp"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">template</span><<span class="keyword">typename</span> Entity></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">class </span>basic_runtime_view {</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a60c928831c22b7dd2216dbc469f68f24"> 59</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classentt_1_1basic__registry.html">basic_registry</a><Entity>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">using</span> underlying_iterator_type = <span class="keyword">typename</span> <a class="code" href="classentt_1_1sparse__set.html#a580b210d5a24c49ca8c255646f3bb469">sparse_set<Entity>::iterator_type</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">using</span> extent_type = <span class="keyword">typename</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">sparse_set<Entity>::size_type</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">using</span> <a class="code" href="structentt_1_1entt__traits.html">traits_type</a> = <a class="code" href="structentt_1_1entt__traits.html">entt_traits<Entity></a>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">class </span>iterator {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classentt_1_1basic__runtime__view.html">basic_runtime_view</a><Entity>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  iterator(underlying_iterator_type first, underlying_iterator_type last, <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html">sparse_set<Entity></a> * <span class="keyword">const</span> *others, <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html">sparse_set<Entity></a> * <span class="keyword">const</span> *length, extent_type ext) ENTT_NOEXCEPT</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  : <a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>{first},</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">end</a>{last},</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  from{others},</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  to{length},</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  extent{ext}</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span>(<a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a> != <a class="code" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">end</a> && !valid()) {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ++(*this);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">bool</span> valid() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> <span class="keyword">auto</span> <a class="code" href="namespaceentt.html">entt</a> = *<a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> <span class="keyword">auto</span> sz = <a class="code" href="classentt_1_1basic__runtime__view.html#af8fef2e30d39eaa7ce736539a55c2a1a">size_type</a>(<a class="code" href="namespaceentt.html">entt</a> & traits_type::entity_mask);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> sz < extent && std::all_of(from, to, [<a class="code" href="namespaceentt.html">entt</a>](<span class="keyword">const</span> <span class="keyword">auto</span> *<a class="code" href="classentt_1_1basic__view.html">view</a>) {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__view.html">view</a>->has(<a class="code" href="namespaceentt.html">entt</a>);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  });</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">using</span> difference_type = <span class="keyword">typename</span> underlying_iterator_type::difference_type;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">using</span> value_type = <span class="keyword">typename</span> underlying_iterator_type::value_type;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">using</span> pointer = <span class="keyword">typename</span> underlying_iterator_type::pointer;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">using</span> reference = <span class="keyword">typename</span> underlying_iterator_type::reference;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">using</span> iterator_category = std::forward_iterator_tag;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  iterator() ENTT_NOEXCEPT = default;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  iterator & operator++() ENTT_NOEXCEPT {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> (++<a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a> != <a class="code" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">end</a> && !valid()) ? ++(*this) : *<span class="keyword">this</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  iterator operator++(<span class="keywordtype">int</span>) ENTT_NOEXCEPT {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  iterator orig = *<span class="keyword">this</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> ++(*this), orig;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> other.begin == <a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#a9bb4a7e4959c087484745324d79efbd9">operator!=</a>(<span class="keyword">const</span> iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == other);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  pointer operator->() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>.operator->();</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">inline</span> reference operator*() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> *operator->();</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  underlying_iterator_type <a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  underlying_iterator_type <a class="code" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">end</a>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html">sparse_set<Entity></a> * <span class="keyword">const</span> *from;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html">sparse_set<Entity></a> * <span class="keyword">const</span> *to;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  extent_type extent;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  };</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="classentt_1_1basic__runtime__view.html">basic_runtime_view</a>(std::vector<<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html">sparse_set<Entity></a> *> others) ENTT_NOEXCEPT</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  : pools{std::move(others)}</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const</span> <span class="keyword">auto</span> it = std::min_element(pools.begin(), pools.end(), [](<span class="keyword">const</span> <span class="keyword">auto</span> *lhs, <span class="keyword">const</span> <span class="keyword">auto</span> *rhs) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> (!lhs && rhs) || (lhs && rhs && lhs->size() < rhs->size());</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  });</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// brings the best candidate (if any) on front of the vector</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  std::rotate(pools.begin(), it, pools.end());</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  extent_type min() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  extent_type extent{};</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span>(valid()) {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keyword">auto</span> it = std::min_element(pools.cbegin(), pools.cend(), [](<span class="keyword">const</span> <span class="keyword">auto</span> *lhs, <span class="keyword">const</span> <span class="keyword">auto</span> *rhs) {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> lhs->extent() < rhs->extent();</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  });</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  extent = (*it)->extent();</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> extent;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> valid() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> !pools.<a class="code" href="classentt_1_1basic__runtime__view.html#a2483047bb494ac1bea3b1823bec87985">empty</a>() && pools.front();</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a8347b5b209e9dd8962c7b98c3314bae6"> 162</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__runtime__view.html#a8347b5b209e9dd8962c7b98c3314bae6">entity_type</a> = <span class="keyword">typename</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">sparse_set<Entity>::entity_type</a>;</div><div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#af8fef2e30d39eaa7ce736539a55c2a1a"> 164</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__runtime__view.html#af8fef2e30d39eaa7ce736539a55c2a1a">size_type</a> = <span class="keyword">typename</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">sparse_set<Entity>::size_type</a>;</div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da"> 166</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da">iterator_type</a> = iterator;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a8a14205c30a77fae500ff244a8f9041e"> 172</a></span>  <a class="code" href="classentt_1_1basic__runtime__view.html#af8fef2e30d39eaa7ce736539a55c2a1a">size_type</a> <a class="code" href="classentt_1_1basic__runtime__view.html#a8a14205c30a77fae500ff244a8f9041e">size</a>() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> valid() ? pools.front()->size() : <a class="code" href="classentt_1_1basic__runtime__view.html#af8fef2e30d39eaa7ce736539a55c2a1a">size_type</a>{};</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a2483047bb494ac1bea3b1823bec87985"> 180</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1basic__runtime__view.html#a2483047bb494ac1bea3b1823bec87985">empty</a>() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> !valid() || pools.front()->empty();</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670"> 198</a></span>  <a class="code" href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da">iterator_type</a> <a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da">iterator_type</a> it{};</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span>(valid()) {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> <span class="keyword">auto</span> &pool = *pools.front();</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">const</span> <span class="keyword">auto</span> * <span class="keyword">const</span> *data = pools.data();</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  it = { pool.begin(), pool.end(), data + 1, data + pools.size(), min() };</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> it;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00225"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85"> 225</a></span>  <a class="code" href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da">iterator_type</a> <a class="code" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">end</a>() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da">iterator_type</a> it{};</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span>(valid()) {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <span class="keyword">auto</span> &pool = *pools.front();</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  it = { pool.end(), pool.end(), <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, min() };</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> it;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div><div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a3754c1d13392fc18daaf2003867a64fd"> 241</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1basic__runtime__view.html#a3754c1d13392fc18daaf2003867a64fd">contains</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__runtime__view.html#a8347b5b209e9dd8962c7b98c3314bae6">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>) <span class="keyword">const</span> ENTT_NOEXCEPT {</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> valid() && std::all_of(pools.cbegin(), pools.cend(), [<a class="code" href="namespaceentt.html">entt</a>](<span class="keyword">const</span> <span class="keyword">auto</span> *<a class="code" href="namespaceentt.html#af2118c00dea16193aee017d1408beb53">view</a>) {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__view.html">view</a>->has(<a class="code" href="namespaceentt.html">entt</a>) && <a class="code" href="classentt_1_1basic__view.html">view</a>-><a class="code" href="classentt_1_1basic__view.html#ac2122c6c128744f4617fab34dca651c3">data</a>()[<a class="code" href="classentt_1_1basic__view.html">view</a>->get(<a class="code" href="namespaceentt.html">entt</a>)] == <a class="code" href="namespaceentt.html">entt</a>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  });</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Func></div><div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="classentt_1_1basic__runtime__view.html#a79fe059a28f768f4dc82edf48438cce0"> 263</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__runtime__view.html#a79fe059a28f768f4dc82edf48438cce0">each</a>(Func func)<span class="keyword"> const </span>{</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  std::for_each(<a class="code" href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">begin</a>(), <a class="code" href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">end</a>(), func);</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  std::vector<const sparse_set<Entity> *> pools;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> };</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> }</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif // ENTT_ENTITY_RUNTIME_VIEW_HPP</span></div><div class="ttc" id="classentt_1_1basic__runtime__view_html_a3754c1d13392fc18daaf2003867a64fd"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#a3754c1d13392fc18daaf2003867a64fd">entt::basic_runtime_view::contains</a></div><div class="ttdeci">bool contains(const entity_type entt) const ENTT_NOEXCEPT</div><div class="ttdoc">Checks if a view contains an entity. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00241">runtime_view.hpp:241</a></div></div>
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<div class="ttc" id="classentt_1_1sparse__set_html"><div class="ttname"><a href="classentt_1_1sparse__set.html">entt::sparse_set</a></div><div class="ttdoc">Basic sparse set implementation. </div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00046">sparse_set.hpp:46</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_af8fef2e30d39eaa7ce736539a55c2a1a"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#af8fef2e30d39eaa7ce736539a55c2a1a">entt::basic_runtime_view::size_type</a></div><div class="ttdeci">typename sparse_set< Entity >::size_type size_type</div><div class="ttdoc">Unsigned integer type. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00164">runtime_view.hpp:164</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_afbaa87a1aa3eacd54ec3a5462faa10da"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#afbaa87a1aa3eacd54ec3a5462faa10da">entt::basic_runtime_view::iterator_type</a></div><div class="ttdeci">iterator iterator_type</div><div class="ttdoc">Input iterator type. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00166">runtime_view.hpp:166</a></div></div>
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<div class="ttc" id="classentt_1_1basic__view_html_ac2122c6c128744f4617fab34dca651c3"><div class="ttname"><a href="classentt_1_1basic__view.html#ac2122c6c128744f4617fab34dca651c3">entt::basic_view::data</a></div><div class="ttdeci">const entity_type * data() const ENTT_NOEXCEPT</div><div class="ttdoc">Direct access to the list of entities of a given pool. </div><div class="ttdef"><b>Definition:</b> <a href="view_8hpp_source.html#l00270">view.hpp:270</a></div></div>
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<div class="ttc" id="namespaceentt_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#l00010">algorithm.hpp:10</a></div></div>
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<div class="ttc" id="classentt_1_1sparse__set_html_a3d2138b0eb8c7ac968e9e38a9e981ec1"><div class="ttname"><a href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">entt::sparse_set::size_type</a></div><div class="ttdeci">std::size_t size_type</div><div class="ttdoc">Unsigned integer type. </div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00176">sparse_set.hpp:176</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_a8347b5b209e9dd8962c7b98c3314bae6"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#a8347b5b209e9dd8962c7b98c3314bae6">entt::basic_runtime_view::entity_type</a></div><div class="ttdeci">typename sparse_set< Entity >::entity_type entity_type</div><div class="ttdoc">Underlying entity identifier. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00162">runtime_view.hpp:162</a></div></div>
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<div class="ttc" id="classentt_1_1basic__registry_html"><div class="ttname"><a href="classentt_1_1basic__registry.html">entt::basic_registry</a></div><div class="ttdoc">Fast and reliable entity-component system. </div><div class="ttdef"><b>Definition:</b> <a href="entity_2fwd_8hpp_source.html#l00013">fwd.hpp:13</a></div></div>
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<div class="ttc" id="classentt_1_1basic__view_html"><div class="ttname"><a href="classentt_1_1basic__view.html">entt::basic_view</a></div><div class="ttdoc">Multi component view. </div><div class="ttdef"><b>Definition:</b> <a href="entity_2fwd_8hpp_source.html#l00017">fwd.hpp:17</a></div></div>
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<div class="ttc" id="classentt_1_1sparse__set_html_a9a1dbe5ab2dbb098beae0bff56bbf780"><div class="ttname"><a href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entt::sparse_set::entity_type</a></div><div class="ttdeci">Entity entity_type</div><div class="ttdoc">Underlying entity identifier. </div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00174">sparse_set.hpp:174</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_a2483047bb494ac1bea3b1823bec87985"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#a2483047bb494ac1bea3b1823bec87985">entt::basic_runtime_view::empty</a></div><div class="ttdeci">bool empty() const ENTT_NOEXCEPT</div><div class="ttdoc">Checks if the view is definitely empty. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00180">runtime_view.hpp:180</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_af47b1aff2d44990f17c9740cf24a2670"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#af47b1aff2d44990f17c9740cf24a2670">entt::basic_runtime_view::begin</a></div><div class="ttdeci">iterator_type begin() const ENTT_NOEXCEPT</div><div class="ttdoc">Returns an iterator to the first entity that has the given components. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00198">runtime_view.hpp:198</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_a79fe059a28f768f4dc82edf48438cce0"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#a79fe059a28f768f4dc82edf48438cce0">entt::basic_runtime_view::each</a></div><div class="ttdeci">void each(Func func) const</div><div class="ttdoc">Iterates entities and applies the given function object to them. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00263">runtime_view.hpp:263</a></div></div>
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<div class="ttc" id="namespaceentt_html_af2118c00dea16193aee017d1408beb53"><div class="ttname"><a href="namespaceentt.html#af2118c00dea16193aee017d1408beb53">entt::view</a></div><div class="ttdeci">basic_view< entity, Types... > view</div><div class="ttdoc">Alias declaration for the most common use case. </div><div class="ttdef"><b>Definition:</b> <a href="entity_2fwd_8hpp_source.html#l00073">fwd.hpp:73</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_a8a14205c30a77fae500ff244a8f9041e"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#a8a14205c30a77fae500ff244a8f9041e">entt::basic_runtime_view::size</a></div><div class="ttdeci">size_type size() const ENTT_NOEXCEPT</div><div class="ttdoc">Estimates the number of entities that have the given components. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00172">runtime_view.hpp:172</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html_a777a70d6c1905a32b8a68b0b87cc9b85"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html#a777a70d6c1905a32b8a68b0b87cc9b85">entt::basic_runtime_view::end</a></div><div class="ttdeci">iterator_type end() const ENTT_NOEXCEPT</div><div class="ttdoc">Returns an iterator that is past the last entity that has the given components. </div><div class="ttdef"><b>Definition:</b> <a href="runtime__view_8hpp_source.html#l00225">runtime_view.hpp:225</a></div></div>
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<div class="ttc" id="structentt_1_1entt__traits_html"><div class="ttname"><a href="structentt_1_1entt__traits.html">entt::entt_traits</a></div><div class="ttdoc">Entity traits. </div><div class="ttdef"><b>Definition:</b> <a href="entity_8hpp_source.html#l00018">entity.hpp:18</a></div></div>
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<div class="ttc" id="classentt_1_1basic__runtime__view_html"><div class="ttname"><a href="classentt_1_1basic__runtime__view.html">entt::basic_runtime_view</a></div><div class="ttdoc">Runtime view. </div><div class="ttdef"><b>Definition:</b> <a href="entity_2fwd_8hpp_source.html#l00021">fwd.hpp:21</a></div></div>
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<div class="ttc" id="namespaceentt_html_a9bb4a7e4959c087484745324d79efbd9"><div class="ttname"><a href="namespaceentt.html#a9bb4a7e4959c087484745324d79efbd9">entt::operator!=</a></div><div class="ttdeci">constexpr bool operator!=(const hashed_string &lhs, const hashed_string &rhs) ENTT_NOEXCEPT</div><div class="ttdoc">Compares two hashed strings. </div><div class="ttdef"><b>Definition:</b> <a href="hashed__string_8hpp_source.html#l00195">hashed_string.hpp:195</a></div></div>
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<div class="ttc" id="classentt_1_1sparse__set_html_a580b210d5a24c49ca8c255646f3bb469"><div class="ttname"><a href="classentt_1_1sparse__set.html#a580b210d5a24c49ca8c255646f3bb469">entt::sparse_set::iterator_type</a></div><div class="ttdeci">iterator iterator_type</div><div class="ttdoc">Random access iterator type. </div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00178">sparse_set.hpp:178</a></div></div>
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