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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../intern.html">Inter Modules</a></li><li><a href="index.html">index</a></li><li><a href="index.html#2">Chapter 2: Utilities</a></li><li><b>Faux Scenes</b></li></ul></div>
<p class="purpose">Creating a simple graph of scenes, ends and connectors.</p>
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b>As with <a href="2-fi.html" class="internal">Faux Instances</a>, we need to make faux scenes: these more or less
reconstruct the original data structures in Inform, though they are much less
annotated.
</p>
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MAX_SCENE_ENDS</span><span class="plain-syntax"> </span><span class="constant-syntax">32</span><span class="plain-syntax"> </span><span class="comment-syntax"> this must exceed 31</span>
</pre>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_ends</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ends</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_SCENE_ENDS</span><span class="plain-syntax">];</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indexed_already</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">end_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anchor_connectors</span><span class="plain-syntax">; </span><span class="comment-syntax"> linked list</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">connect_to</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">next</span><span class="plain-syntax">; </span><span class="comment-syntax"> next in list of connectors for a scene end</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>The structure simplified_scene is accessed in 2/ir, 3/pe2 and here.</li><li>The structure simplified_end is accessed in 3/pe2 and here.</li><li>The structure simplified_connector is accessed in 3/pe2 and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b>This three-deck structure of objects matches a similar hierarchy of Inter
packages, where <span class="extract"><span class="extract-syntax">_scene_connector</span></span> packages are inside <span class="extract"><span class="extract-syntax">_scene_end</span></span> packages
which are inside <span class="extract"><span class="extract-syntax">_scene</span></span> packages.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::list_of_faux_scenes</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::list_of_faux_scenes</span></span>:<br/>Indexing API - <a href="1-ia.html#SP8">&#167;8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">session</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NEW_LINKED_LIST</span><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">session</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">list_of_scenes</span><span class="plain-syntax"> = </span><span class="identifier-syntax">L</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP6" class="function-link"><span class="function-syntax">Indexing::get_tree</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">tree_inventory</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inv</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP6" class="function-link"><span class="function-syntax">Indexing::get_inventory</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">InterNodeList::array_sort</span><span class="plain-syntax">(</span><span class="identifier-syntax">inv</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">scene_nodes</span><span class="plain-syntax">, </span><a href="2-fs.html#SP3" class="function-link"><span class="function-syntax">FauxScenes::scene_order</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">InterNodeList::array_sort</span><span class="plain-syntax">(</span><span class="identifier-syntax">inv</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">rulebook_nodes</span><span class="plain-syntax">, </span><span class="identifier-syntax">MakeSynopticModuleStage::module_order</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">scene_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_INVENTORY_PACKAGES</span><span class="plain-syntax">(</span><span class="identifier-syntax">scene_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">inv</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">scene_nodes</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><a href="2-fs.html#SP4" class="function-link"><span class="function-syntax">FauxScenes::simplified</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">scene_pack</span><span class="plain-syntax">), </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. </b>The following is the criterion used for sorting the scenes into their indexing
order. The Entire Game always comes first, and then come the rest in ascending
alphabetical order.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::scene_order</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::scene_order</span></span>:<br/><a href="2-fs.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">const</span><span class="plain-syntax"> </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ent1</span><span class="plain-syntax">, </span><span class="reserved-syntax">const</span><span class="plain-syntax"> </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ent2</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ina_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E1</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">ina_entry</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">ent1</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ina_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E2</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">ina_entry</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">ent2</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">E1</span><span class="plain-syntax"> == </span><span class="identifier-syntax">E2</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P1</span><span class="plain-syntax"> = </span><span class="identifier-syntax">E1</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P2</span><span class="plain-syntax"> = </span><span class="identifier-syntax">E2</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sc1</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PackageInstruction::at_this_head</span><span class="plain-syntax">(</span><span class="identifier-syntax">P1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sc2</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PackageInstruction::at_this_head</span><span class="plain-syntax">(</span><span class="identifier-syntax">P2</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">sc1</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^is_entire_game"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> -1;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">sc2</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^is_entire_game"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">SW1</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Metadata::required_textual</span><span class="plain-syntax">(</span><span class="identifier-syntax">sc1</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^name"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">SW2</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Metadata::required_textual</span><span class="plain-syntax">(</span><span class="identifier-syntax">sc2</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^name"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Str::cmp</span><span class="plain-syntax">(</span><span class="identifier-syntax">SW1</span><span class="plain-syntax">, </span><span class="identifier-syntax">SW2</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. </b>The following returns a valid <span class="extract"><span class="extract-syntax">simplified_scene</span></span> for each <span class="extract"><span class="extract-syntax">_scene</span></span> package,
together with its connectors and ends.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="function-syntax">FauxScenes::simplified</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::simplified</span></span>:<br/><a href="2-fs.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sc_pack</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax"> = </span><span class="identifier-syntax">sc_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_ends</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">indexed_already</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">end_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_SUBPACKAGES</span><span class="plain-syntax">(</span><span class="identifier-syntax">end_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">sc_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"_scene_end"</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">se</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">end_pack</span><span class="plain-syntax"> = </span><span class="identifier-syntax">end_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">anchor_connectors</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_SUBPACKAGES</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">end_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"_scene_connector"</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">scon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">con_pack</span><span class="plain-syntax"> = </span><span class="identifier-syntax">con_pack</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">anchor_connectors</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">anchor_connectors</span><span class="plain-syntax"> = </span><span class="identifier-syntax">scon</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">last</span><span class="plain-syntax"> = </span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">anchor_connectors</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">last</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">last</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax">)) </span><span class="identifier-syntax">last</span><span class="plain-syntax"> = </span><span class="identifier-syntax">last</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">last</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">scon</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">connect_to</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_ends</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">MAX_SCENE_ENDS</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"too many scene ends"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ends</span><span class="plain-syntax">[</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_ends</span><span class="plain-syntax">++] = </span><span class="identifier-syntax">se</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::is_entire_game</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::is_entire_game</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_1">&#167;1.1</a>, <a href="3-pe2.html#SP1_3_1">&#167;1.3.1</a>, <a href="3-pe2.html#SP2_1">&#167;2.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^is_entire_game"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::recurs</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::recurs</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_1">&#167;1.3.1.1</a>, <a href="3-pe2.html#SP2_4">&#167;2.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^recurs"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::never_ends</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::never_ends</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP2_3">&#167;2.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^never_ends"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::starts_at_start_of_play</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::starts_at_start_of_play</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_1">&#167;1.1</a>, <a href="3-pe2.html#SP1_3_1_4_1">&#167;1.3.1.4.1</a>, <a href="3-pe2.html#SP2_1">&#167;2.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^starts"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::starts_on_condition</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::starts_on_condition</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_1">&#167;1.1</a>, <a href="3-pe2.html#SP2_1">&#167;2.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^starts_on_condition"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::no_ends</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::no_ends</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1">&#167;1.3.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_ends</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="function-syntax">FauxScenes::scene_name</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::scene_name</span></span>:<br/>Index Rules - <a href="2-ir.html#SP12_1">&#167;12.1</a><br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4_3">&#167;1.3.1.4.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Metadata::required_textual</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^name"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>&#167;6. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="function-syntax">FauxScenes::end_name</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::end_name</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4">&#167;1.3.1.4</a>, <a href="3-pe2.html#SP1_3_1_4_3">&#167;1.3.1.4.3</a>, <a href="3-pe2.html#SP2_1">&#167;2.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">se</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Metadata::required_textual</span><span class="plain-syntax">(</span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">end_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^name"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="function-syntax">FauxScenes::anchor_condition</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::anchor_condition</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4_2">&#167;1.3.1.4.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">se</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Metadata::required_textual</span><span class="plain-syntax">(</span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">end_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^condition"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::has_anchor_condition</span><button class="popup" onclick="togglePopup('usagePopup13')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup13">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::has_anchor_condition</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1">&#167;1.3.1</a>, <a href="3-pe2.html#SP1_3_1_4_2">&#167;1.3.1.4.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">se</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><a href="2-fs.html#SP6" class="function-link"><span class="function-syntax">FauxScenes::anchor_condition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">se</span><span class="plain-syntax">)) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::anchor_condition_set_at</span><button class="popup" onclick="togglePopup('usagePopup14')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup14">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::anchor_condition_set_at</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4_2">&#167;1.3.1.4.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">se</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax">) </span><span class="identifier-syntax">Metadata::read_optional_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">end_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^at"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">FauxScenes::end_rulebook</span><button class="popup" onclick="togglePopup('usagePopup15')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup15">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::end_rulebook</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_5">&#167;1.3.1.5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_end</span><span class="plain-syntax"> *</span><span class="identifier-syntax">se</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Metadata::optional_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">se</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">end_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^rulebook"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>&#167;7. </b>A connector leads, of course, to another scene. Determining that is quite
slow, but ww cache the result so that it must only be done once.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="function-syntax">FauxScenes::connects_to</span><button class="popup" onclick="togglePopup('usagePopup16')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup16">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::connects_to</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4_3">&#167;1.3.1.4.3</a>, <a href="3-pe2.html#SP2_5">&#167;2.5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">scon</span><span class="plain-syntax">, </span><span class="reserved-syntax">index_session</span><span class="plain-syntax"> *</span><span class="identifier-syntax">session</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">connect_to</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">connect_to</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sc_symbol</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Metadata::optional_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">con_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^to"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">sc_symbol</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">to_pack</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterPackage::container</span><span class="plain-syntax">(</span><span class="identifier-syntax">sc_symbol</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">definition</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><a href="1-ia.html#SP8" class="function-link"><span class="function-syntax">Indexing::get_list_of_scenes</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">session</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">, </span><span class="reserved-syntax">simplified_scene</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ssc</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pack</span><span class="plain-syntax"> == </span><span class="identifier-syntax">to_pack</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">connect_to</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ssc</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"scene metadata broken: bad connector"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::scon_end</span><button class="popup" onclick="togglePopup('usagePopup17')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup17">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::scon_end</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4_3">&#167;1.3.1.4.3</a>, <a href="3-pe2.html#SP2_5">&#167;2.5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">scon</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax">) </span><span class="identifier-syntax">Metadata::read_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">con_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^end"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">FauxScenes::scon_at</span><button class="popup" onclick="togglePopup('usagePopup18')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup18">Usage of <span class="code-font"><span class="function-syntax">FauxScenes::scon_at</span></span>:<br/>Plot Element - <a href="3-pe2.html#SP1_3_1_4_3">&#167;1.3.1.4.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">simplified_connector</span><span class="plain-syntax"> *</span><span class="identifier-syntax">scon</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax">) </span><span class="identifier-syntax">Metadata::read_numeric</span><span class="plain-syntax">(</span><span class="identifier-syntax">scon</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">con_pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"^at"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
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