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<div class="title">AbstractEntityIndex.cs</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="keyword">using</span> System;</div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="keyword">namespace </span><a class="code" href="namespace_entitas.html">Entitas</a> {</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"><a class="line" href="class_entitas_1_1_abstract_entity_index.html"> 5</a></span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keyword">class </span><a class="code" href="class_entitas_1_1_abstract_entity_index.html">AbstractEntityIndex</a><TEntity, TKey> : <a class="code" href="interface_entitas_1_1_i_entity_index.html">IEntityIndex</a> where TEntity : class, <a class="code" href="interface_entitas_1_1_i_entity.html">IEntity</a> {</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  <span class="keyword">public</span> <span class="keywordtype">string</span> name { <span class="keyword">get</span> { <span class="keywordflow">return</span> _name; } }</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <span class="keyword">protected</span> readonly <span class="keywordtype">string</span> _name;</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  <span class="keyword">protected</span> readonly <a class="code" href="interface_entitas_1_1_i_group.html">IGroup<TEntity></a> _group;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  <span class="keyword">protected</span> readonly Func<TEntity, IComponent, TKey> _getKey;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="keyword">protected</span> readonly Func<TEntity, IComponent, TKey[]> _getKeys;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">protected</span> readonly <span class="keywordtype">bool</span> _isSingleKey;</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>  <span class="keyword">protected</span> <a class="code" href="class_entitas_1_1_abstract_entity_index.html">AbstractEntityIndex</a>(<span class="keywordtype">string</span> name, <a class="code" href="interface_entitas_1_1_i_group.html">IGroup<TEntity></a> group, Func<TEntity, IComponent, TKey> getKey) {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  _name = name;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  _group = group;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  _getKey = getKey;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  _isSingleKey = <span class="keyword">true</span>;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  }</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">protected</span> <a class="code" href="class_entitas_1_1_abstract_entity_index.html">AbstractEntityIndex</a>(<span class="keywordtype">string</span> name, <a class="code" href="interface_entitas_1_1_i_group.html">IGroup<TEntity></a> group, Func<TEntity, <a class="code" href="interface_entitas_1_1_i_component.html">IComponent</a>, TKey[]> getKeys) {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  _name = name;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  _group = group;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  _getKeys = getKeys;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  _isSingleKey = <span class="keyword">false</span>;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Activate() {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  _group.OnEntityAdded += onEntityAdded;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  _group.OnEntityRemoved += onEntityRemoved;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Deactivate() {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  _group.OnEntityAdded -= onEntityAdded;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  _group.OnEntityRemoved -= onEntityRemoved;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  clear();</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">string</span> ToString() {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> name;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">protected</span> <span class="keywordtype">void</span> indexEntities(<a class="code" href="interface_entitas_1_1_i_group.html">IGroup<TEntity></a> group) {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">foreach</span> (var entity <span class="keywordflow">in</span> group) {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (_isSingleKey) {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  addEntity(_getKey(entity, <span class="keyword">null</span>), entity);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  var keys = _getKeys(entity, <span class="keyword">null</span>);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < keys.Length; i++) {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  addEntity(keys[i], entity);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">protected</span> <span class="keywordtype">void</span> onEntityAdded(<a class="code" href="interface_entitas_1_1_i_group.html">IGroup<TEntity></a> group, TEntity entity, <span class="keywordtype">int</span> index, <a class="code" href="interface_entitas_1_1_i_component.html">IComponent</a> component) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (_isSingleKey) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  addEntity(_getKey(entity, component), entity);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  var keys = _getKeys(entity, component);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < keys.Length; i++) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  addEntity(keys[i], entity);</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>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</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>  <span class="keyword">protected</span> <span class="keywordtype">void</span> onEntityRemoved(<a class="code" href="interface_entitas_1_1_i_group.html">IGroup<TEntity></a> group, TEntity entity, <span class="keywordtype">int</span> index, <a class="code" href="interface_entitas_1_1_i_component.html">IComponent</a> component) {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (_isSingleKey) {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  removeEntity(_getKey(entity, component), entity);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  var keys = _getKeys(entity, component);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < keys.Length; i++) {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  removeEntity(keys[i], entity);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</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>  <span class="keyword">protected</span> <span class="keyword">abstract</span> <span class="keywordtype">void</span> addEntity(TKey key, TEntity entity);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">protected</span> <span class="keyword">abstract</span> <span class="keywordtype">void</span> removeEntity(TKey key, TEntity entity);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">protected</span> <span class="keyword">abstract</span> <span class="keywordtype">void</span> clear();</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  ~<a class="code" href="class_entitas_1_1_abstract_entity_index.html">AbstractEntityIndex</a>() {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  Deactivate();</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> }</div><div class="ttc" id="namespace_entitas_html"><div class="ttname"><a href="namespace_entitas.html">Entitas</a></div><div class="ttdef"><b>Definition:</b> <a href="_collector_8cs_source.html#l00005">Collector.cs:5</a></div></div>
<div class="ttc" id="interface_entitas_1_1_i_group_html"><div class="ttname"><a href="interface_entitas_1_1_i_group.html">Entitas.IGroup< TEntity ></a></div></div>
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<div class="ttc" id="class_entitas_1_1_abstract_entity_index_html"><div class="ttname"><a href="class_entitas_1_1_abstract_entity_index.html">Entitas.AbstractEntityIndex</a></div><div class="ttdef"><b>Definition:</b> <a href="_abstract_entity_index_8cs_source.html#l00005">AbstractEntityIndex.cs:5</a></div></div>
<div class="ttc" id="interface_entitas_1_1_i_entity_html"><div class="ttname"><a href="interface_entitas_1_1_i_entity.html">Entitas.IEntity</a></div><div class="ttdef"><b>Definition:</b> <a href="_i_entity_8cs_source.html#l00016">IEntity.cs:16</a></div></div>
<div class="ttc" id="interface_entitas_1_1_i_component_html"><div class="ttname"><a href="interface_entitas_1_1_i_component.html">Entitas.IComponent</a></div><div class="ttdef"><b>Definition:</b> <a href="_i_component_8cs_source.html#l00013">IComponent.cs:13</a></div></div>
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