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<li><a class="reference internal" href="#">Character Callbacks</a><ul>
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<div class="section" id="character-callbacks">
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<span id="id1"></span><h1>Character Callbacks<a class="headerlink" href="#character-callbacks" title="Permalink to this headline"> link</a></h1>
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<p>Ren'Py includes the ability to execute callbacks when various events
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occur during dialogue. This is done by giving the <cite>callback</cite> argument
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to <a class="reference internal" href="dialogue.html#Character" title="Character"><code class="xref py py-func docutils literal notranslate"><span class="pre">Character()</span></code></a>, or setting the <a class="reference internal" href="config.html#var-config.character_callback"><code class="xref std std-var docutils literal notranslate"><span class="pre">config.character_callback</span></code></a> or
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<a class="reference internal" href="config.html#var-config.all_character_callbacks"><code class="xref std std-var docutils literal notranslate"><span class="pre">config.all_character_callbacks</span></code></a> variables.</p>
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<p>The character callback is called with a single positional argument, the event
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that occured. Possible events are:</p>
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<dl class="docutils">
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<dt>"begin"</dt>
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<dd>Called at the start of a say statement.</dd>
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<dt>"show"</dt>
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<dd>Called before showing each segment of dialogue. Dialogue may be separated
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into multiple segments by the {w} or {p} text tags, but always consists of
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at least one segment.</dd>
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<dt>"show_done"</dt>
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<dd>Called after showing each segment of dialogue.</dd>
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<dt>"slow_done"</dt>
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<dd>Called after slow text finishes showing. Note that this event may occur
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after "end", in cases where dialogue does not cause an interaction
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to occur.</dd>
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<dt>"end"</dt>
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<dd>Called at the end of a say statement.</dd>
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</dl>
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<p>The callback is called with at least one keyword argument:</p>
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<dl class="docutils">
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<dt><cite>interact</cite></dt>
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<dd>This is true if the dialogue causes an interaction to occur.</dd>
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</dl>
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<p>Other values of the positional argument and additional keyword arguments may
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be supplied in the future. The callback should written to ignore arguments it
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does not understand.</p>
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<div class="section" id="example">
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<h2>Example<a class="headerlink" href="#example" title="Permalink to this headline"> link</a></h2>
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<p>This example plays beeps in place of a character voice, when slow
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text is enabled:</p>
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<div class="highlight-renpy notranslate"><div class="highlight"><pre><span></span><span class="k">init</span> <span class="k">python</span><span class="p">:</span>
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<span class="k">def</span> <span class="nf">beepy_voice</span><span class="p">(</span><span class="k">event</span><span class="p">,</span> <span class="n">interact</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
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<span class="k">if</span> <span class="k">not</span> <span class="n">interact</span><span class="p">:</span>
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<span class="k">return</span>
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<span class="k">if</span> <span class="k">event</span> <span class="o">==</span> <span class="s2">"show_done"</span><span class="p">:</span>
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<span class="n">renpy</span><span class="o">.</span><span class="k">sound</span><span class="o">.</span><span class="k">play</span><span class="p">(</span><span class="s2">"beeps.ogg"</span><span class="p">)</span>
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<span class="k">elif</span> <span class="k">event</span> <span class="o">==</span> <span class="s2">"slow_done"</span><span class="p">:</span>
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<span class="n">renpy</span><span class="o">.</span><span class="k">sound</span><span class="o">.</span><span class="k">stop</span><span class="p">()</span>
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<span class="k">define</span> <span class="n">pike</span> <span class="o">=</span> <span class="n">Character</span><span class="p">(</span><span class="s2">"Christopher Pike"</span><span class="p">,</span> <span class="n">callback</span><span class="o">=</span><span class="n">beepy_voice</span><span class="p">)</span>
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<span class="k">label</span> <span class="n">start</span><span class="p">:</span>
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<span class="n">pike</span> <span class="s2">"So, hanging out on Talos IV, minding my own business, when..."</span>
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</pre></div>
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