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  108.   <div class="headertitle"><div class="title">IslandBuilder.h</div></div>
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    110. 

  110. <div class="contents">
    111. 

  111. <a href="_island_builder_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)</span></div>
    112. 

  112. <div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">// SPDX-FileCopyrightText: 2021 Jorrit Rouwe</span></div>
    113. 

  113. <div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">// SPDX-License-Identifier: MIT</span></div>
    114. 

  114. <div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span> </div>
    115. 

  115. <div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="preprocessor">#pragma once</span></div>
    116. 

  116. <div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span> </div>
    117. 

  117. <div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="preprocessor">#include &lt;<a class="code" href="_body_i_d_8h.html">Jolt/Physics/Body/BodyID.h</a>&gt;</span></div>
    118. 

  118. <div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#include &lt;<a class="code" href="_non_copyable_8h.html">Jolt/Core/NonCopyable.h</a>&gt;</span></div>
    119. 

  119. <div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="preprocessor">#include &lt;<a class="code" href="_atomics_8h.html">Jolt/Core/Atomics.h</a>&gt;</span></div>
    120. 

  120. <div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span> </div>
    121. 

  121. <div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><a class="code hl_define" href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a></div>
    122. 

  122. <div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span> </div>
    123. 

  123. <div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="keyword">class </span><a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a>;</div>
    124. 

  124. <div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span> </div>
    125. 

  125. <div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">//#define JPH_VALIDATE_ISLAND_BUILDER</span></div>
    126. 

  126. <div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span> </div>
    127. 

  127. <div class="foldopen" id="foldopen00018" data-start="{" data-end="};">
    128. 

  128. <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"><a class="line" href="class_island_builder.html">   18</a></span><span class="keyword">class </span><a class="code hl_define" href="_core_8h.html#a2712a9b0f778ab9d1aa5118b4e8e6bd8">JPH_EXPORT</a> <a class="code hl_class" href="class_island_builder.html">IslandBuilder</a> : <span class="keyword">public</span> <a class="code hl_class" href="class_non_copyable.html">NonCopyable</a></div>
    129. 

  129. <div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>{</div>
    130. 

  130. <div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="keyword">public</span>:</div>
    131. 

  131. <div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>                            <a class="code hl_class" href="class_island_builder.html">~IslandBuilder</a>();</div>
    132. 

  132. <div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span> </div>
    133. 

  133. <div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    <span class="keywordtype">void</span>                    Init(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inMaxActiveBodies);</div>
    134. 

  134. <div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
    135. 

  135. <div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>    <span class="keywordtype">void</span>                    PrepareContactConstraints(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inMaxContactConstraints, <a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator);</div>
    136. 

  136. <div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
    137. 

  137. <div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>    <span class="keywordtype">void</span>                    PrepareNonContactConstraints(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumConstraints, <a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator);</div>
    138. 

  138. <div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
    139. 

  139. <div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span>    <span class="keywordtype">void</span>                    LinkBodies(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inFirst, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inSecond);</div>
    140. 

  140. <div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
    141. 

  141. <div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>    <span class="keywordtype">void</span>                    LinkConstraint(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inConstraintIndex, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inFirst, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inSecond);</div>
    142. 

  142. <div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
    143. 

  143. <div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>    <span class="keywordtype">void</span>                    LinkContact(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inContactIndex, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inFirst, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inSecond);</div>
    144. 

  144. <div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
    145. 

  145. <div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>    <span class="keywordtype">void</span>                    Finalize(<span class="keyword">const</span> <a class="code hl_class" href="class_body_i_d.html">BodyID</a> *inActiveBodies, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumActiveBodies, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumContacts, <a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator);</div>
    146. 

  146. <div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
    147. 

  147. <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="class_island_builder.html#a6f0d6d67425a9d02cf561a06784431f4">   46</a></span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  <a class="code hl_function" href="class_island_builder.html#a6f0d6d67425a9d02cf561a06784431f4">GetNumIslands</a>()<span class="keyword"> const                           </span>{ <span class="keywordflow">return</span> mNumIslands; }</div>
    148. 

  148. <div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span> </div>
    149. 

  149. <div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>    <span class="keywordtype">void</span>                    GetBodiesInIsland(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inIslandIndex, <a class="code hl_class" href="class_body_i_d.html">BodyID</a> *&amp;outBodiesBegin, <a class="code hl_class" href="class_body_i_d.html">BodyID</a> *&amp;outBodiesEnd) <span class="keyword">const</span>;</div>
    150. 

  150. <div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>    <span class="keywordtype">bool</span>                    GetConstraintsInIsland(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inIslandIndex, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *&amp;outConstraintsBegin, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *&amp;outConstraintsEnd) <span class="keyword">const</span>;</div>
    151. 

  151. <div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>    <span class="keywordtype">bool</span>                    GetContactsInIsland(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inIslandIndex, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *&amp;outContactsBegin, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *&amp;outContactsEnd) <span class="keyword">const</span>;</div>
    152. 

  152. <div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span> </div>
    153. 

  153. <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="class_island_builder.html#a576814bc0405702b74174635e0b44d6d">   54</a></span>    <span class="keywordtype">void</span>                    <a class="code hl_function" href="class_island_builder.html#a576814bc0405702b74174635e0b44d6d">SetNumPositionSteps</a>(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inIslandIndex, <a class="code hl_typedef" href="_core_8h.html#a69aa29b598b851b0640aa225a9e5d61d">uint</a> inNumPositionSteps)  { <a class="code hl_define" href="_issue_reporting_8h.html#aaf6b1df827e11b7ca5f6f8778bd8f8cd">JPH_ASSERT</a>(inIslandIndex &lt; mNumIslands); <a class="code hl_define" href="_issue_reporting_8h.html#aaf6b1df827e11b7ca5f6f8778bd8f8cd">JPH_ASSERT</a>(inNumPositionSteps &lt; 256); mNumPositionSteps[inIslandIndex] = <a class="code hl_typedef" href="_core_8h.html#a115946cb5fc5879545e9ccea096a6031">uint8</a>(inNumPositionSteps); }</div>
    154. 

  154. <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="class_island_builder.html#a213561deca43cb4c9bde6560bed5a0e1">   55</a></span>    <a class="code hl_typedef" href="_core_8h.html#a69aa29b598b851b0640aa225a9e5d61d">uint</a>                    <a class="code hl_function" href="class_island_builder.html#a213561deca43cb4c9bde6560bed5a0e1">GetNumPositionSteps</a>(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inIslandIndex)<span class="keyword"> const                     </span>{ <a class="code hl_define" href="_issue_reporting_8h.html#aaf6b1df827e11b7ca5f6f8778bd8f8cd">JPH_ASSERT</a>(inIslandIndex &lt; mNumIslands); <span class="keywordflow">return</span> mNumPositionSteps[inIslandIndex]; }</div>
    155. 

  155. <div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span> </div>
    156. 

  156. <div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="preprocessor">#ifdef JPH_TRACK_SIMULATION_STATS</span></div>
    157. 

  157. <div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    <span class="keyword">struct </span>IslandStats</div>
    158. 

  158. <div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    {</div>
    159. 

  159. <div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>        atomic&lt;uint64&gt;      mVelocityConstraintTicks = 0;</div>
    160. 

  160. <div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>        atomic&lt;uint64&gt;      mPositionConstraintTicks = 0;</div>
    161. 

  161. <div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>        atomic&lt;uint64&gt;      mUpdateBoundsTicks = 0;</div>
    162. 

  162. <div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>        <a class="code hl_typedef" href="_core_8h.html#a115946cb5fc5879545e9ccea096a6031">uint8</a>               mNumVelocitySteps = 0;</div>
    163. 

  163. <div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>        <a class="code hl_typedef" href="_core_8h.html#a115946cb5fc5879545e9ccea096a6031">uint8</a>               mNumPositionSteps = 0;                                              </div>
    164. 

  164. <div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>        <span class="keywordtype">bool</span>                mIsLargeIsland = <span class="keyword">false</span>;</div>
    165. 

  165. <div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    };</div>
    166. 

  166. <div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
    167. 

  167. <div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    IslandStats &amp;           GetIslandStats(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inIslandIndex)                                { <span class="keywordflow">return</span> mIslandStats[inIslandIndex]; }</div>
    168. 

  168. <div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#endif</span></div>
    169. 

  169. <div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span> </div>
    170. 

  170. <div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    <span class="keywordtype">void</span>                    ResetIslands(<a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator);</div>
    171. 

  171. <div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span> </div>
    172. 

  172. <div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="keyword">private</span>:</div>
    173. 

  173. <div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  GetLowestBodyIndex(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inActiveBodyIndex) <span class="keyword">const</span>;</div>
    174. 

  174. <div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span> </div>
    175. 

  175. <div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="preprocessor">#ifdef JPH_VALIDATE_ISLAND_BUILDER</span></div>
    176. 

  176. <div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    <span class="keywordtype">void</span>                    ValidateIslands(<a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumActiveBodies) <span class="keyword">const</span>;</div>
    177. 

  177. <div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="preprocessor">#endif</span></div>
    178. 

  178. <div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
    179. 

  179. <div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    <span class="comment">// Helper functions to build various islands</span></div>
    180. 

  180. <div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    <span class="keywordtype">void</span>                    BuildBodyIslands(<span class="keyword">const</span> <a class="code hl_class" href="class_body_i_d.html">BodyID</a> *inActiveBodies, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumActiveBodies, <a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator);</div>
    181. 

  181. <div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    <span class="keywordtype">void</span>                    BuildConstraintIslands(<span class="keyword">const</span> <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintToBody, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumConstraints, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *&amp;outConstraints, <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *&amp;outConstraintsEnd, <a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator) <span class="keyword">const</span>;</div>
    182. 

  182. <div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span> </div>
    183. 

  183. <div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <span class="keywordtype">void</span>                    SortIslands(<a class="code hl_class" href="class_temp_allocator.html">TempAllocator</a> *inTempAllocator);</div>
    184. 

  184. <div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
    185. 

  185. <div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="keyword">struct </span>BodyLink</div>
    186. 

  186. <div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    {</div>
    187. 

  187. <div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>        <a class="code hl_define" href="_memory_8h.html#a91074fb218fe28954a0938c099ddd9e0">JPH_OVERRIDE_NEW_DELETE</a></div>
    188. 

  188. <div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span> </div>
    189. 

  189. <div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>        atomic&lt;uint32&gt;      mLinkedTo;                                      </div>
    190. 

  190. <div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>        <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>              mIslandIndex;                                   </div>
    191. 

  191. <div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    };</div>
    192. 

  192. <div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
    193. 

  193. <div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>    <span class="comment">// Intermediate data</span></div>
    194. 

  194. <div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>    BodyLink *              mBodyLinks = <span class="keyword">nullptr</span>;                           </div>
    195. 

  195. <div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mConstraintLinks = <span class="keyword">nullptr</span>;                     </div>
    196. 

  196. <div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mContactLinks = <span class="keyword">nullptr</span>;                        </div>
    197. 

  197. <div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
    198. 

  198. <div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    <span class="comment">// Final data</span></div>
    199. 

  199. <div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    <a class="code hl_class" href="class_body_i_d.html">BodyID</a> *                mBodyIslands = <span class="keyword">nullptr</span>;                         </div>
    200. 

  200. <div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mBodyIslandEnds = <span class="keyword">nullptr</span>;                      </div>
    201. 

  201. <div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
    202. 

  202. <div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mConstraintIslands = <span class="keyword">nullptr</span>;                   </div>
    203. 

  203. <div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mConstraintIslandEnds = <span class="keyword">nullptr</span>;                </div>
    204. 

  204. <div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
    205. 

  205. <div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mContactIslands = <span class="keyword">nullptr</span>;                      </div>
    206. 

  206. <div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mContactIslandEnds = <span class="keyword">nullptr</span>;                   </div>
    207. 

  207. <div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span> </div>
    208. 

  208. <div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *                mIslandsSorted = <span class="keyword">nullptr</span>;                       </div>
    209. 

  209. <div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span> </div>
    210. 

  210. <div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    <a class="code hl_typedef" href="_core_8h.html#a115946cb5fc5879545e9ccea096a6031">uint8</a> *                 mNumPositionSteps = <span class="keyword">nullptr</span>;                    </div>
    211. 

  211. <div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
    212. 

  212. <div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="preprocessor">#ifdef JPH_TRACK_SIMULATION_STATS</span></div>
    213. 

  213. <div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    IslandStats *           mIslandStats = <span class="keyword">nullptr</span>;                         </div>
    214. 

  214. <div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="preprocessor">#endif</span></div>
    215. 

  215. <div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span> </div>
    216. 

  216. <div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    <span class="comment">// Counters</span></div>
    217. 

  217. <div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  mMaxActiveBodies;                               </div>
    218. 

  218. <div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  mNumActiveBodies = 0;                           </div>
    219. 

  219. <div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  mNumConstraints = 0;                            </div>
    220. 

  220. <div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  mMaxContacts = 0;                               </div>
    221. 

  221. <div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  mNumContacts = 0;                               </div>
    222. 

  222. <div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>                  mNumIslands = 0;                                </div>
    223. 

  223. <div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
    224. 

  224. <div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="preprocessor">#ifdef JPH_VALIDATE_ISLAND_BUILDER</span></div>
    225. 

  225. <div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>    <span class="keyword">struct </span>LinkValidation</div>
    226. 

  226. <div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>    {</div>
    227. 

  227. <div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>        <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>              mFirst;</div>
    228. 

  228. <div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>        <a class="code hl_typedef" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>              mSecond;</div>
    229. 

  229. <div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    };</div>
    230. 

  230. <div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span> </div>
    231. 

  231. <div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    LinkValidation *        mLinkValidation = <span class="keyword">nullptr</span>;</div>
    232. 

  232. <div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    atomic&lt;uint32&gt;          mNumLinkValidation;</div>
    233. 

  233. <div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="preprocessor">#endif</span></div>
    234. 

  234. <div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>};</div>
    235. 

  235. </div>
    236. 

  236. <div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span> </div>
    237. 

  237. <div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><a class="code hl_define" href="_core_8h.html#a73da8725998b00321a9db341202d650d">JPH_NAMESPACE_END</a></div>
    238. 

  238. <div class="ttc" id="a_atomics_8h_html"><div class="ttname"><a href="_atomics_8h.html">Atomics.h</a></div></div>
    239. 

  239. <div class="ttc" id="a_body_i_d_8h_html"><div class="ttname"><a href="_body_i_d_8h.html">BodyID.h</a></div></div>
    240. 

  240. <div class="ttc" id="a_core_8h_html_a115946cb5fc5879545e9ccea096a6031"><div class="ttname"><a href="_core_8h.html#a115946cb5fc5879545e9ccea096a6031">uint8</a></div><div class="ttdeci">std::uint8_t uint8</div><div class="ttdef"><b>Definition</b> Core.h:501</div></div>
    241. 

  241. <div class="ttc" id="a_core_8h_html_a2712a9b0f778ab9d1aa5118b4e8e6bd8"><div class="ttname"><a href="_core_8h.html#a2712a9b0f778ab9d1aa5118b4e8e6bd8">JPH_EXPORT</a></div><div class="ttdeci">#define JPH_EXPORT</div><div class="ttdef"><b>Definition</b> Core.h:275</div></div>
    242. 

  242. <div class="ttc" id="a_core_8h_html_a69aa29b598b851b0640aa225a9e5d61d"><div class="ttname"><a href="_core_8h.html#a69aa29b598b851b0640aa225a9e5d61d">uint</a></div><div class="ttdeci">unsigned int uint</div><div class="ttdef"><b>Definition</b> Core.h:500</div></div>
    243. 

  243. <div class="ttc" id="a_core_8h_html_a73da8725998b00321a9db341202d650d"><div class="ttname"><a href="_core_8h.html#a73da8725998b00321a9db341202d650d">JPH_NAMESPACE_END</a></div><div class="ttdeci">#define JPH_NAMESPACE_END</div><div class="ttdef"><b>Definition</b> Core.h:425</div></div>
    244. 

  244. <div class="ttc" id="a_core_8h_html_a8f95e75e58492e87412191fabadd8ca8"><div class="ttname"><a href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a></div><div class="ttdeci">std::uint32_t uint32</div><div class="ttdef"><b>Definition</b> Core.h:503</div></div>
    245. 

  245. <div class="ttc" id="a_core_8h_html_ad14098b68b8c44ea6112601031268405"><div class="ttname"><a href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a></div><div class="ttdeci">#define JPH_NAMESPACE_BEGIN</div><div class="ttdef"><b>Definition</b> Core.h:419</div></div>
    246. 

  246. <div class="ttc" id="a_issue_reporting_8h_html_aaf6b1df827e11b7ca5f6f8778bd8f8cd"><div class="ttname"><a href="_issue_reporting_8h.html#aaf6b1df827e11b7ca5f6f8778bd8f8cd">JPH_ASSERT</a></div><div class="ttdeci">#define JPH_ASSERT(...)</div><div class="ttdef"><b>Definition</b> IssueReporting.h:33</div></div>
    247. 

  247. <div class="ttc" id="a_memory_8h_html_a91074fb218fe28954a0938c099ddd9e0"><div class="ttname"><a href="_memory_8h.html#a91074fb218fe28954a0938c099ddd9e0">JPH_OVERRIDE_NEW_DELETE</a></div><div class="ttdeci">#define JPH_OVERRIDE_NEW_DELETE</div><div class="ttdoc">Macro to override the new and delete functions.</div><div class="ttdef"><b>Definition</b> Memory.h:50</div></div>
    248. 

  248. <div class="ttc" id="a_non_copyable_8h_html"><div class="ttname"><a href="_non_copyable_8h.html">NonCopyable.h</a></div></div>
    249. 

  249. <div class="ttc" id="aclass_body_i_d_html"><div class="ttname"><a href="class_body_i_d.html">BodyID</a></div><div class="ttdoc">ID of a body. This is a way of reasoning about bodies in a multithreaded simulation while avoiding ra...</div><div class="ttdef"><b>Definition</b> BodyID.h:13</div></div>
    250. 

  250. <div class="ttc" id="aclass_island_builder_html"><div class="ttname"><a href="class_island_builder.html">IslandBuilder</a></div><div class="ttdoc">Keeps track of connected bodies and builds islands for multithreaded velocity/position update.</div><div class="ttdef"><b>Definition</b> IslandBuilder.h:19</div></div>
    251. 

  251. <div class="ttc" id="aclass_island_builder_html_a213561deca43cb4c9bde6560bed5a0e1"><div class="ttname"><a href="class_island_builder.html#a213561deca43cb4c9bde6560bed5a0e1">IslandBuilder::GetNumPositionSteps</a></div><div class="ttdeci">uint GetNumPositionSteps(uint32 inIslandIndex) const</div><div class="ttdef"><b>Definition</b> IslandBuilder.h:55</div></div>
    252. 

  252. <div class="ttc" id="aclass_island_builder_html_a576814bc0405702b74174635e0b44d6d"><div class="ttname"><a href="class_island_builder.html#a576814bc0405702b74174635e0b44d6d">IslandBuilder::SetNumPositionSteps</a></div><div class="ttdeci">void SetNumPositionSteps(uint32 inIslandIndex, uint inNumPositionSteps)</div><div class="ttdoc">The number of position iterations for each island.</div><div class="ttdef"><b>Definition</b> IslandBuilder.h:54</div></div>
    253. 

  253. <div class="ttc" id="aclass_island_builder_html_a6f0d6d67425a9d02cf561a06784431f4"><div class="ttname"><a href="class_island_builder.html#a6f0d6d67425a9d02cf561a06784431f4">IslandBuilder::GetNumIslands</a></div><div class="ttdeci">uint32 GetNumIslands() const</div><div class="ttdoc">Get the amount of islands formed.</div><div class="ttdef"><b>Definition</b> IslandBuilder.h:46</div></div>
    254. 

  254. <div class="ttc" id="aclass_non_copyable_html"><div class="ttname"><a href="class_non_copyable.html">NonCopyable</a></div><div class="ttdoc">Class that makes another class non-copyable. Usage: Inherit from NonCopyable.</div><div class="ttdef"><b>Definition</b> NonCopyable.h:11</div></div>
    255. 

  255. <div class="ttc" id="aclass_temp_allocator_html"><div class="ttname"><a href="class_temp_allocator.html">TempAllocator</a></div><div class="ttdef"><b>Definition</b> TempAllocator.h:16</div></div>
    256. 

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    257. 

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    260. 

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