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Further preliminaries for dialogue
2022-09-05 02:08:32 +03:00
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../inform7n.html">Inform7</a></li><li><a href="index.html">assertions</a></li><li><a href="index.html#7">Chapter 7: Other Gadgets</a></li><li><b>Dialogue</b></li></ul></div>
<p class="purpose">To manage dialogue beats and lines.</p>
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b></p>
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MAX_DIALOGUE_LINE_NESTING</span><span class="plain-syntax"> </span><span class="constant-syntax">25</span>
</pre>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">heading</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dialogue_section_being_scanned</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">dialogue_beat</span><span class="plain-syntax"> *</span><span class="identifier-syntax">current_dialogue_beat</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">dialogue_line</span><span class="plain-syntax"> *</span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_DIALOGUE_LINE_NESTING</span><span class="plain-syntax">];</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Dialogue::note_heading</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">Dialogue::note_heading</span></span>:<br/>Passes through Major Nodes - <a href="2-ptmn.html#SP3_1">&#167;3.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">heading</span><span class="plain-syntax"> *</span><span class="identifier-syntax">h</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">h</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">holds_dialogue</span><span class="plain-syntax">) </span><span class="identifier-syntax">dialogue_section_being_scanned</span><span class="plain-syntax"> = </span><span class="identifier-syntax">h</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">dialogue_section_being_scanned</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">current_dialogue_beat</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">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="constant-syntax">MAX_DIALOGUE_LINE_NESTING</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b></p>
<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">dialogue_beat</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">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cue_at</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">heading</span><span class="plain-syntax"> *</span><span class="identifier-syntax">under_heading</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">dialogue_line</span><span class="plain-syntax"> *</span><span class="identifier-syntax">opening_line</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">dialogue_beat_compilation_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">compilation_data</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">dialogue_beat</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">dialogue_line</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">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">line_at</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">dialogue_beat</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owning_beat</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">dialogue_line</span><span class="plain-syntax"> *</span><span class="identifier-syntax">parent_line</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">dialogue_line</span><span class="plain-syntax"> *</span><span class="identifier-syntax">child_line</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">dialogue_line</span><span class="plain-syntax"> *</span><span class="identifier-syntax">next_line</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">dialogue_line_compilation_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">compilation_data</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">dialogue_line</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>The structure dialogue_beat is accessed in 3/nuor, 5/id, 5/idf, 5/adf, 5/tpf, 5/rf, 5/rcd, 6/rls, 6/rlb, 6/fao, 6/act, 7/tc, 7/tbl, 7/eqt and here.</li><li>The structure dialogue_line is accessed in 3/nuor, 5/id, 5/idf, 5/adf, 5/tpf, 5/rf, 5/rcd, 6/rls, 6/rlb, 6/fao, 6/act, 7/tc, 7/tbl, 7/eqt and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">dialogue_beat</span><span class="plain-syntax"> *</span><span class="function-syntax">Dialogue::create_cue</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">Dialogue::create_cue</span></span>:<br/>Passes through Major Nodes - <a href="2-ptmn.html#SP3_1">&#167;3.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">PN</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">dialogue_section_being_scanned</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"cue outside dialogue section"</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">Annotations::read_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">PN</span><span class="plain-syntax">, </span><span class="identifier-syntax">dialogue_level_ANNOT</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_IndentedBeat</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this dialogue beat seems to be indented"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"which in dialogue would mean that it is part of something above it. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"But all beats (unlike lines) are free-standing, and should not be "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"indented."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">dialogue_beat</span><span class="plain-syntax"> *</span><span class="identifier-syntax">db</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">dialogue_beat</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">db</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">cue_at</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PN</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">db</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">under_heading</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dialogue_section_being_scanned</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">db</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opening_line</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">db</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">compilation_data</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RTDialogue::new_beat</span><span class="plain-syntax">(</span><span class="identifier-syntax">PN</span><span class="plain-syntax">, </span><span class="identifier-syntax">db</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_dialogue_beat</span><span class="plain-syntax"> = </span><span class="identifier-syntax">db</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="constant-syntax">MAX_DIALOGUE_LINE_NESTING</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</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">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">db</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">dialogue_line</span><span class="plain-syntax"> *</span><span class="function-syntax">Dialogue::create_line</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">Dialogue::create_line</span></span>:<br/>Passes through Major Nodes - <a href="2-ptmn.html#SP3_1">&#167;3.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">PN</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">dialogue_section_being_scanned</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"line outside dialogue section"</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">L</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Annotations::read_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">PN</span><span class="plain-syntax">, </span><span class="identifier-syntax">dialogue_level_ANNOT</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">L</span><span class="plain-syntax"> &lt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</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">L</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">MAX_DIALOGUE_LINE_NESTING</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_OvernestedLine</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this dialogue line is indented further than I can cope with"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"and indeed further than any human reader could really make sense of."</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">L</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">L</span><span class="plain-syntax">-1] == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_OrphanLine</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this dialogue line is indented too far"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"and should either not be indented at all, or indented by just one tab "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"stop from the line it is dependent on."</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">current_dialogue_beat</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">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_LineWithoutBeat</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this dialogue line seems to appear before any beat has begun"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"which is not allowed - every line has to be part of a 'beat', which "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has to be introduced with a bracketed paragraph looking like a stage "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"direction in a play."</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="plain-syntax"> </span><span class="reserved-syntax">dialogue_line</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">dialogue_line</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">line_at</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PN</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">owning_beat</span><span class="plain-syntax"> = </span><span class="identifier-syntax">current_dialogue_beat</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">parent_line</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">L</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">parent_line</span><span class="plain-syntax"> = </span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">L</span><span class="plain-syntax">-1];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">child_line</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">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_line</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">dl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">compilation_data</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RTDialogue::new_line</span><span class="plain-syntax">(</span><span class="identifier-syntax">PN</span><span class="plain-syntax">, </span><span class="identifier-syntax">dl</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">current_dialogue_beat</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opening_line</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">current_dialogue_beat</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opening_line</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dl</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">precursor_dialogue_lines</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">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">L</span><span class="plain-syntax">]-&gt;</span><span class="element-syntax">next_line</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dl</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">L</span><span class="plain-syntax">-1]-&gt;</span><span class="element-syntax">child_line</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dl</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">L</span><span class="plain-syntax">] = </span><span class="identifier-syntax">dl</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=</span><span class="identifier-syntax">L</span><span class="plain-syntax">+1; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="constant-syntax">MAX_DIALOGUE_LINE_NESTING</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="identifier-syntax">precursor_dialogue_lines</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</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">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">dl</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
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