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<h1 id="mimic-mixin">Mimic mixin</h1>
<p>This mixin defines additional attributes and functions to allow an artefact to use a range of attribute values set in another artefact.</p>
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<h4 id="imports">Imports</h4>
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<div class="content"><div class='highlight'><pre><span class="hljs-keyword">import</span> { artefact, asset } <span class="hljs-keyword">from</span> <span class="hljs-string">'../core/library.js'</span>;
<span class="hljs-keyword">import</span> { mergeOver, pushUnique, isa_boolean, Ωempty, removeItem } <span class="hljs-keyword">from</span> <span class="hljs-string">'../core/utilities.js'</span>;</pre></div></div>
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<h4 id="export-function">Export function</h4>
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<div class="content"><div class='highlight'><pre><span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-keyword">function</span> (<span class="hljs-params">P = Ωempty</span>) {</pre></div></div>
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<h4 id="shared-attributes">Shared attributes</h4>
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<div class="content"><div class='highlight'><pre> <span class="hljs-keyword">let</span> defaultAttributes = {</pre></div></div>
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<p><strong>mimic</strong> - reference artefact object. Can also be set using the artefact’s name-String.</p>
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<div class="content"><div class='highlight'><pre> <span class="hljs-attr">mimic</span>: <span class="hljs-string">''</span>,</pre></div></div>
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<p><strong>useMimic…</strong> - a set of Boolean flags determining which attributes should be taken from the mimic reference artefact. By default, the artefact will use its own attribute values; setting any of these flags changes the behaviour for that attribute.</p>
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<div class="content"><div class='highlight'><pre> <span class="hljs-attr">useMimicDimensions</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">useMimicScale</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">useMimicStart</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">useMimicHandle</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">useMimicOffset</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">useMimicRotation</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">useMimicFlip</span>: <span class="hljs-literal">false</span>,</pre></div></div>
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<p><strong>addOwn…ToMimic</strong> - a set of Boolean flags determining which mimic attributes should be added to this artefact’s own attribute values. By default, none are added; setting any of these flags changes the behaviour for that attribute.</p>
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<div class="content"><div class='highlight'><pre> <span class="hljs-attr">addOwnDimensionsToMimic</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">addOwnScaleToMimic</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">addOwnStartToMimic</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">addOwnHandleToMimic</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">addOwnOffsetToMimic</span>: <span class="hljs-literal">false</span>,
<span class="hljs-attr">addOwnRotationToMimic</span>: <span class="hljs-literal">false</span>,
};
P.<span class="hljs-property">defs</span> = <span class="hljs-title function_">mergeOver</span>(P.<span class="hljs-property">defs</span>, defaultAttributes);
<span class="hljs-title function_">mergeOver</span>(P, defaultAttributes);</pre></div></div>
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<h4 id="packet-management">Packet management</h4>
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<div class="content"><div class='highlight'><pre> P.<span class="hljs-property">packetObjects</span> = <span class="hljs-title function_">pushUnique</span>(P.<span class="hljs-property">packetObjects</span>, [<span class="hljs-string">'mimic'</span>]);</pre></div></div>
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<h4 id="clone-management">Clone management</h4>
<p>No additional clone functionality defined here</p>
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<h4 id="kill-management">Kill management</h4>
<p>No additional kill functionality defined here</p>
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<h4 id="get-set-deltaset">Get, Set, deltaSet</h4>
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<div class="content"><div class='highlight'><pre> <span class="hljs-keyword">let</span> G = P.<span class="hljs-property">getters</span>,
S = P.<span class="hljs-property">setters</span>,
D = P.<span class="hljs-property">deltaSetters</span>;</pre></div></div>
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<h4 id="prototype-functions">Prototype functions</h4>
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<p><strong>mimic</strong></p>
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<div class="content"><div class='highlight'><pre> S.<span class="hljs-property">mimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-keyword">if</span> (<span class="hljs-title function_">isa_boolean</span>(item) && !item) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">mimic</span> = <span class="hljs-literal">null</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">lockTo</span>[<span class="hljs-number">0</span>] === <span class="hljs-string">'mimic'</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">lockTo</span>[<span class="hljs-number">0</span>] = <span class="hljs-string">'start'</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">lockTo</span>[<span class="hljs-number">1</span>] === <span class="hljs-string">'mimic'</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">lockTo</span>[<span class="hljs-number">1</span>] = <span class="hljs-string">'start'</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyStampPositions</span> = <span class="hljs-literal">true</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyStampHandlePositions</span> = <span class="hljs-literal">true</span>;
}
<span class="hljs-keyword">else</span> {
<span class="hljs-keyword">let</span> oldMimic = <span class="hljs-variable language_">this</span>.<span class="hljs-property">mimic</span>,
name = <span class="hljs-variable language_">this</span>.<span class="hljs-property">name</span>;
<span class="hljs-keyword">let</span> newMimic = (item.<span class="hljs-property">substring</span>) ? artefact[item] : item;
<span class="hljs-keyword">if</span> (!newMimic) {
newMimic = asset[item];
<span class="hljs-keyword">if</span> (newMimic && newMimic.<span class="hljs-property">type</span> !== <span class="hljs-string">'Cell'</span>) newMimic = <span class="hljs-literal">false</span>;
}
<span class="hljs-keyword">if</span> (newMimic && newMimic.<span class="hljs-property">name</span>) {
<span class="hljs-keyword">if</span> (oldMimic && oldMimic.<span class="hljs-property">name</span> !== newMimic.<span class="hljs-property">name</span>) <span class="hljs-title function_">removeItem</span>(oldMimic.<span class="hljs-property">mimicked</span>, name);
<span class="hljs-title function_">pushUnique</span>(newMimic.<span class="hljs-property">mimicked</span>, name);
<span class="hljs-variable language_">this</span>.<span class="hljs-property">mimic</span> = newMimic;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicDimensions</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyDimensions</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicScale</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyScale</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicStart</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyStart</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicHandle</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyHandle</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicOffset</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyOffset</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicRotation</span>) <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyRotation</span> = <span class="hljs-literal">true</span>;
}
}
};</pre></div></div>
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<p><strong>useMimicDimensions</strong>, <strong>useMimicScale</strong>, <strong>useMimicStart</strong>, <strong>useMimicHandle</strong>, <strong>useMimicOffset</strong>, <strong>useMimicRotation</strong></p>
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<div class="content"><div class='highlight'><pre> S.<span class="hljs-property">useMimicDimensions</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicDimensions</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyDimensions</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">useMimicScale</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicScale</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyScale</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">useMimicStart</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicStart</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyStart</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">useMimicHandle</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicHandle</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyHandle</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">useMimicOffset</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicOffset</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyOffset</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">useMimicRotation</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">useMimicRotation</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyRotation</span> = <span class="hljs-literal">true</span>;
};</pre></div></div>
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<p><strong>addOwnDimensionsToMimic</strong>, <strong>addOwnScaleToMimic</strong>, <strong>addOwnStartToMimic</strong>, <strong>addOwnHandleToMimic</strong>, <strong>addOwnOffsetToMimic</strong>, <strong>addOwnRotationToMimic</strong></p>
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<div class="content"><div class='highlight'><pre> S.<span class="hljs-property">addOwnDimensionsToMimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">addOwnDimensionsToMimic</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyDimensions</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">addOwnScaleToMimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">addOwnScaleToMimic</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyScale</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">addOwnStartToMimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">addOwnStartToMimic</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyStart</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">addOwnHandleToMimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">addOwnHandleToMimic</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyHandle</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">addOwnOffsetToMimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">addOwnOffsetToMimic</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyOffset</span> = <span class="hljs-literal">true</span>;
};
S.<span class="hljs-property">addOwnRotationToMimic</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params">item</span>) {
<span class="hljs-variable language_">this</span>.<span class="hljs-property">addOwnRotationToMimic</span> = item;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyRotation</span> = <span class="hljs-literal">true</span>;
};</pre></div></div>
</li>
<li id="section-16">
<div class="annotation">
<div class="sswrap ">
<a class="ss" href="#section-16">§</a>
</div>
<h4 id="prototype-functions">Prototype functions</h4>
</div>
</li>
<li id="section-17">
<div class="annotation">
<div class="sswrap ">
<a class="ss" href="#section-17">§</a>
</div>
<p><code>updateMimicSubscribers</code></p>
</div>
<div class="content"><div class='highlight'><pre> P.<span class="hljs-property">updateMimicSubscribers</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) {
<span class="hljs-keyword">let</span> <span class="hljs-variable constant_">DMH</span> = <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicHandle</span>;
<span class="hljs-keyword">let</span> <span class="hljs-variable constant_">DMO</span> = <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicOffset</span>;
<span class="hljs-keyword">let</span> <span class="hljs-variable constant_">DMR</span> = <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicRotation</span>;
<span class="hljs-keyword">let</span> <span class="hljs-variable constant_">DMS</span> = <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicScale</span>;
<span class="hljs-keyword">let</span> <span class="hljs-variable constant_">DMD</span> = <span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicDimensions</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">mimicked</span>.<span class="hljs-title function_">forEach</span>(<span class="hljs-function"><span class="hljs-params">name</span> =></span> {
<span class="hljs-keyword">let</span> instance = artefact[name];
<span class="hljs-keyword">if</span> (!instance) {
instance = asset[name];
<span class="hljs-keyword">if</span> (!instance || instance.<span class="hljs-property">type</span> !== <span class="hljs-string">'Cell'</span>) instance = <span class="hljs-literal">false</span>;
}
<span class="hljs-keyword">if</span> (instance) {
<span class="hljs-keyword">if</span> (instance.<span class="hljs-property">useMimicStart</span>) instance.<span class="hljs-property">dirtyStart</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable constant_">DMH</span> && instance.<span class="hljs-property">useMimicHandle</span>) instance.<span class="hljs-property">dirtyHandle</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable constant_">DMO</span> && instance.<span class="hljs-property">useMimicOffset</span>) instance.<span class="hljs-property">dirtyOffset</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable constant_">DMR</span> && instance.<span class="hljs-property">useMimicRotation</span>) instance.<span class="hljs-property">dirtyRotation</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable constant_">DMS</span> && instance.<span class="hljs-property">useMimicScale</span>) instance.<span class="hljs-property">dirtyScale</span> = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">if</span> (<span class="hljs-variable constant_">DMD</span> && instance.<span class="hljs-property">useMimicDimensions</span>) instance.<span class="hljs-property">dirtyDimensions</span> = <span class="hljs-literal">true</span>;
}
});
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicHandle</span> = <span class="hljs-literal">false</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicOffset</span> = <span class="hljs-literal">false</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicRotation</span> = <span class="hljs-literal">false</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicScale</span> = <span class="hljs-literal">false</span>;
<span class="hljs-variable language_">this</span>.<span class="hljs-property">dirtyMimicDimensions</span> = <span class="hljs-literal">false</span>;
};</pre></div></div>
</li>
<li id="section-18">
<div class="annotation">
<div class="sswrap ">
<a class="ss" href="#section-18">§</a>
</div>
<p>Return the prototype</p>
</div>
<div class="content"><div class='highlight'><pre> <span class="hljs-keyword">return</span> P;
};</pre></div></div>
</li>
</ul>
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