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70 lines
3 KiB
HTML
70 lines
3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>S/ct</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta http-equiv="Content-Language" content="en-gb">
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<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
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</head>
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<body>
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<!--Weave of 'S/ft' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">★</a></li><li><a href="index.html">standard_rules Template Library</a></li><li><b>Figures Template</b></li></ul><p class="purpose">To display figures and play sound effects.</p>
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<ul class="toc"><li><a href="#SP1">§1. Resource Usage</a></li><li><a href="#SP2">§2. Figures</a></li><li><a href="#SP3">§3. Sound Effects</a></li></ul><hr class="tocbar">
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. Resource Usage. </b>We record whether pictures or sounds have been used before by storing
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single byte flags in the following array. (The extra 5 values allow for the
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fact that it can be legal to use low undeclared sound effect resource
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numbers in the Z-machine for short beeps, though this is deprecated in I7.)
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</p>
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<p class="inwebparagraph">Pictures and sounds are identified within blorb archives by resource ID
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numbers which count upwards from 1 in order of creation, but can mix
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pictures and sounds freely. (For instance, 1 might be a picture, 2 and 3
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sound effects, then 4 a picture again, etc.) ID number 1 is in fact always
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a picture: it means the cover art, and is the I6 representation of the
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value "figure of cover".
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</p>
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<pre class="display">
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<span class="plain">Array ResourceUsageFlags -> (ICOUNT_FIGURE_NAME + ICOUNT_SOUND_NAME + 5);</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="inwebparagraph"><a id="SP2"></a><b>§2. Figures. </b></p>
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<pre class="display">
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<span class="plain">[ DisplayFigure resource_ID one_time;</span>
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<span class="plain">if ((one_time) && (ResourceUsageFlags->resource_ID)) return;</span>
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<span class="plain">ResourceUsageFlags->resource_ID = true;</span>
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<span class="plain">print "^"; VM_Picture(resource_ID); print "^";</span>
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<span class="plain">];</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="inwebparagraph"><a id="SP3"></a><b>§3. Sound Effects. </b></p>
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<pre class="display">
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<span class="plain">[ PlaySound resource_ID one_time;</span>
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<span class="plain">if (resource_ID == 0) return; ! The "silence" non-sound effect</span>
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<span class="plain">if ((one_time) && (ResourceUsageFlags->resource_ID)) return;</span>
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<span class="plain">ResourceUsageFlags->resource_ID = true;</span>
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<span class="plain">VM_SoundEffect(resource_ID);</span>
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<span class="plain">];</span>
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</pre>
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<p class="inwebparagraph"></p>
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<hr class="tocbar">
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<ul class="toc"><li><a href="S-ct.html">Back to 'Chronology Template'</a></li><li><a href="S-gt.html">Continue with 'Glulx Template'</a></li></ul><hr class="tocbar">
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<!--End of weave-->
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</body>
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</html>
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