cpp
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JoltPhysics
зеркало из https://github.com/jrouwe/JoltPhysics.git


			
				
					
						
						
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<div class="header">
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<a href="#pub-methods">Public Member Functions</a> &#124;
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  <div class="headertitle"><div class="title">StateRecorder Class Reference</div></div>
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<p><code>#include &lt;<a class="el" href="_state_recorder_8h_source.html">StateRecorder.h</a>&gt;</code></p>
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Inheritance diagram for StateRecorder:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae41b09b37188ba73227dae4e070c53a8" id="r_ae41b09b37188ba73227dae4e070c53a8"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae41b09b37188ba73227dae4e070c53a8">StateRecorder</a> ()=default</td></tr>
<tr class="memdesc:ae41b09b37188ba73227dae4e070c53a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <br /></td></tr>
<tr class="separator:ae41b09b37188ba73227dae4e070c53a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3818f8d05147108719da00491da8569a" id="r_a3818f8d05147108719da00491da8569a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3818f8d05147108719da00491da8569a">StateRecorder</a> (const <a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;inRHS)</td></tr>
<tr class="separator:a3818f8d05147108719da00491da8569a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a94551fc91c9a1580a818dab49ba6e26d" id="r_a94551fc91c9a1580a818dab49ba6e26d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a94551fc91c9a1580a818dab49ba6e26d">SetValidating</a> (bool inValidating)</td></tr>
<tr class="separator:a94551fc91c9a1580a818dab49ba6e26d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a347912d4c7bbcb1e1c1e3689a3fccd56" id="r_a347912d4c7bbcb1e1c1e3689a3fccd56"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a347912d4c7bbcb1e1c1e3689a3fccd56">IsValidating</a> () const</td></tr>
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<tr class="memitem:a280ea10b47c58efe1264cc9fc0261200" id="r_a280ea10b47c58efe1264cc9fc0261200"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a280ea10b47c58efe1264cc9fc0261200">IsLastPart</a> () const</td></tr>
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<tr class="inherit_header pub_methods_class_stream_in"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_class_stream_in')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_stream_in.html">StreamIn</a></td></tr>
<tr class="memitem:a294d4a6d12c54b6bd31b67a627075c34 inherit pub_methods_class_stream_in" id="r_a294d4a6d12c54b6bd31b67a627075c34"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_in.html#a294d4a6d12c54b6bd31b67a627075c34">~StreamIn</a> ()=default</td></tr>
<tr class="memdesc:a294d4a6d12c54b6bd31b67a627075c34 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Virtual destructor.  <br /></td></tr>
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<tr class="memdesc:a85303621b160dd9280ca9b7ff67d8217 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a string of bytes from the binary stream.  <br /></td></tr>
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<tr class="memitem:a9a2a616b63703ec5c80423ad2692d06e inherit pub_methods_class_stream_in" id="r_a9a2a616b63703ec5c80423ad2692d06e"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_in.html#a9a2a616b63703ec5c80423ad2692d06e">IsEOF</a> () const =0</td></tr>
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<tr class="memitem:abda7a049c94885abd04a6e583e4c5b37 inherit pub_methods_class_stream_in" id="r_abda7a049c94885abd04a6e583e4c5b37"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_in.html#abda7a049c94885abd04a6e583e4c5b37">IsFailed</a> () const =0</td></tr>
<tr class="memdesc:abda7a049c94885abd04a6e583e4c5b37 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if there was an IO failure.  <br /></td></tr>
<tr class="separator:abda7a049c94885abd04a6e583e4c5b37 inherit pub_methods_class_stream_in"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:a5ae9304c310edfc5ef1c67a95e36b1f3 inherit pub_methods_class_stream_in"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_stream_in.html#a5ae9304c310edfc5ef1c67a95e36b1f3">Read</a> (T &amp;outT)</td></tr>
<tr class="memdesc:a5ae9304c310edfc5ef1c67a95e36b1f3 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a primitive (e.g. float, int, etc.) from the binary stream.  <br /></td></tr>
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<tr class="memitem:ad746a4bb01b4d67767bf1bd200edcb01 inherit pub_methods_class_stream_in"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_stream_in.html#ad746a4bb01b4d67767bf1bd200edcb01">Read</a> (<a class="el" href="class_array.html">Array</a>&lt; T, A &gt; &amp;outT)</td></tr>
<tr class="memdesc:ad746a4bb01b4d67767bf1bd200edcb01 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a vector of primitives from the binary stream.  <br /></td></tr>
<tr class="separator:ad746a4bb01b4d67767bf1bd200edcb01 inherit pub_methods_class_stream_in"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6f7322ce8d07d787701f3417aa46f265 inherit pub_methods_class_stream_in" id="r_a6f7322ce8d07d787701f3417aa46f265"><td class="memTemplParams" colspan="2">template&lt;class Type , class Traits , class Allocator &gt; </td></tr>
<tr class="memitem:a6f7322ce8d07d787701f3417aa46f265 inherit pub_methods_class_stream_in"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_stream_in.html#a6f7322ce8d07d787701f3417aa46f265">Read</a> (std::basic_string&lt; Type, Traits, Allocator &gt; &amp;outString)</td></tr>
<tr class="memdesc:a6f7322ce8d07d787701f3417aa46f265 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a string from the binary stream (reads the number of characters and then the characters)  <br /></td></tr>
<tr class="separator:a6f7322ce8d07d787701f3417aa46f265 inherit pub_methods_class_stream_in"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a685f7e59d2108a0c61dad52c042d7e45 inherit pub_methods_class_stream_in" id="r_a685f7e59d2108a0c61dad52c042d7e45"><td class="memTemplParams" colspan="2">template&lt;class T , class A , typename F &gt; </td></tr>
<tr class="memitem:a685f7e59d2108a0c61dad52c042d7e45 inherit pub_methods_class_stream_in"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_stream_in.html#a685f7e59d2108a0c61dad52c042d7e45">Read</a> (<a class="el" href="class_array.html">Array</a>&lt; T, A &gt; &amp;outT, const F &amp;inReadElement)</td></tr>
<tr class="memdesc:a685f7e59d2108a0c61dad52c042d7e45 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a vector of primitives from the binary stream using a custom function to read the elements.  <br /></td></tr>
<tr class="separator:a685f7e59d2108a0c61dad52c042d7e45 inherit pub_methods_class_stream_in"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a73a1ab9b7b8c0807e88b9b969acb24bf inherit pub_methods_class_stream_in" id="r_a73a1ab9b7b8c0807e88b9b969acb24bf"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_in.html#a73a1ab9b7b8c0807e88b9b969acb24bf">Read</a> (<a class="el" href="class_vec3.html">Vec3</a> &amp;outVec)</td></tr>
<tr class="memdesc:a73a1ab9b7b8c0807e88b9b969acb24bf inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a <a class="el" href="class_vec3.html">Vec3</a> (don't read W)  <br /></td></tr>
<tr class="separator:a73a1ab9b7b8c0807e88b9b969acb24bf inherit pub_methods_class_stream_in"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae2a6c51ed1848c45cd9974cec509020e inherit pub_methods_class_stream_in" id="r_ae2a6c51ed1848c45cd9974cec509020e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_in.html#ae2a6c51ed1848c45cd9974cec509020e">Read</a> (<a class="el" href="class_d_vec3.html">DVec3</a> &amp;outVec)</td></tr>
<tr class="memdesc:ae2a6c51ed1848c45cd9974cec509020e inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a <a class="el" href="class_d_vec3.html">DVec3</a> (don't read W)  <br /></td></tr>
<tr class="separator:ae2a6c51ed1848c45cd9974cec509020e inherit pub_methods_class_stream_in"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad4bea0c5775a7c29522359528d98c654 inherit pub_methods_class_stream_in" id="r_ad4bea0c5775a7c29522359528d98c654"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_in.html#ad4bea0c5775a7c29522359528d98c654">Read</a> (<a class="el" href="class_d_mat44.html">DMat44</a> &amp;outVec)</td></tr>
<tr class="memdesc:ad4bea0c5775a7c29522359528d98c654 inherit pub_methods_class_stream_in"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a <a class="el" href="class_d_mat44.html" title="Holds a 4x4 matrix of floats with the last column consisting of doubles.">DMat44</a> (don't read W component of translation)  <br /></td></tr>
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<tr class="inherit_header pub_methods_class_non_copyable"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_class_non_copyable')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_non_copyable.html">NonCopyable</a></td></tr>
<tr class="memitem:a809b6e4ade7ae32f6d248f2a3b783d45 inherit pub_methods_class_non_copyable" id="r_a809b6e4ade7ae32f6d248f2a3b783d45"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#a809b6e4ade7ae32f6d248f2a3b783d45">NonCopyable</a> ()=default</td></tr>
<tr class="separator:a809b6e4ade7ae32f6d248f2a3b783d45 inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="inherit_header pub_methods_class_stream_out"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_class_stream_out')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_stream_out.html">StreamOut</a></td></tr>
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<tr class="memdesc:a29fc4077677e5c0fea89194178326684 inherit pub_methods_class_stream_out"><td class="mdescLeft">&#160;</td><td class="mdescRight">Write a vector of primitives to the binary stream using a custom write function.  <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Class that records the state of a physics system. Can be used to check if the simulation is deterministic by putting the recorder in validation mode. Can be used to restore the state to an earlier point in time. Note that only the state that is modified by the simulation is saved, configuration settings like body friction or restitution, motion quality etc. are not saved and need to be saved by the user if desired. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae41b09b37188ba73227dae4e070c53a8">&#9670;&#160;</a></span>StateRecorder() <span class="overload">[1/2]</span></h2>

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<p>Constructor. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a3818f8d05147108719da00491da8569a">&#9670;&#160;</a></span>StateRecorder() <span class="overload">[2/2]</span></h2>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a280ea10b47c58efe1264cc9fc0261200">&#9670;&#160;</a></span>IsLastPart()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a347912d4c7bbcb1e1c1e3689a3fccd56">&#9670;&#160;</a></span>IsValidating()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#a9f80c185b11dbe0025d9bc6f947427d0">&#9670;&#160;</a></span>SetIsLastPart()</h2>

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<p>This allows splitting the state in multiple parts. While restoring, only the last part should have this flag set to true. Note that you should ensure that the different parts contain information for disjoint sets of bodies, constraints and contacts. E.g. if you restore the same contact twice, you get undefined behavior. In order to create disjoint sets you can use the <a class="el" href="class_state_recorder_filter.html" title="User callbacks that allow determining which parts of the simulation should be saved by a StateRecorde...">StateRecorderFilter</a>. Note that validation is not compatible with restoring a simulation state in multiple parts. </p>

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<p>Sets the stream in validation mode. In this case the physics system ensures that before it calls ReadBytes that it will ensure that those bytes contain the current state. This makes it possible to step and save the state, restore to the previous step and step again and when the recorded state is not the same it can restore the expected state and any byte that changes due to a ReadBytes function can be caught to find out which part of the simulation is not deterministic. Note that validation only works when saving the full state of the simulation (<a class="el" href="_state_recorder_8h.html#ac746db0a34def4dfd77ccd487ae36eb4ab1c94ca2fbc3e78fc30069c8d0f01680" title="Save all state.">EStateRecorderState::All</a>, <a class="el" href="class_state_recorder_filter.html" title="User callbacks that allow determining which parts of the simulation should be saved by a StateRecorde...">StateRecorderFilter</a> == nullptr). </p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li>Jolt/Physics/<a class="el" href="_state_recorder_8h_source.html">StateRecorder.h</a></li>
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