<div class="blog">
<h1 id="NAME">
-The beginnings of modular design for SDL Perl
+Grant Progess Reports 1-3: Sept - Nov
</h1>
<div class="CONTENT">
-<div style="text-align: right;"><i>“Do or do not... there is no try.”</i><br /></div><div style="text-align: right;"><i>--yoda </i><br /><br /></div><h1>The design before</h1><br />The bindings before were all in <a href="http://github.com/kthakore/SDL_perl/blob/master/src/SDL.xs">one huge XS file</a>. This was then exported into the SDL module. This means that the XS file has to handle with macros if any component (e.x SDL_Mixer) is not compiled. Moreover having ever binding in one XS file prevents use to treat C structs as object with only one point of free and malloc. This would be BEGIN and DESTROY in Perl. Also the monolithic design introduces a lot of bugs because we have to use free and malloc all over the place. Lastly SDL monolithic design has the constructor for all structs in both Perl and in XS. <br /><br /><h1>The design we are aiming for</h1>Simple <a href="http://github.com/kthakore/SDL_perl/blob/master/src/Rect.xs">one XS</a> per Module. This would also simplify the Build code.<br /><br /><h2>First Step </h2><br />We have began with SDL Rect. It is in github master branch now. We are in the progress of making it back compatible. Originally SDL::Rect took named variables as parameters for new(). Now since the constructor <a href="http://github.com/kthakore/SDL_perl/blob/master/src/Rect.xs#L16">is in XS</a> we have only unnamed parameters. <br /><br /><br /><h3>Before</h3><br />SDL::Rect->new( -x => 0, -y => 0, -width => 0, -height => 0);<br /><br /><h3>After</h3><br />SDL::Rect->new(0, 0, 0, 0);<br /><br />Ideally we would like both ways of constructing Rect.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/3102167581424744259-6151839795039915111?l=yapgh.blogspot.com' alt='' /></div></div></div>
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+As you know I have received a TPF grant to write a SDL Perl Manual.<br />
+<a href="http://www.blogger.com/goog_716654272"><br />
+</a><br />
+<a href="http://news.perlfoundation.org/2010/08/2010q3-grant-proposal-manual-f.html">http://news.perlfoundation.org/2010/08/2010q3-grant-proposal-manual-f.html</a><br />
+<br />
+<a href="http://news.perlfoundation.org/2010/08/accepted-grants-for-2010q3.html">http://news.perlfoundation.org/2010/08/accepted-grants-for-2010q3.html</a><br />
+<br />
+I have been a bit busy with that and not been able to update my blog. Anyway here are some of the back dated Grant Updates. These updates where also posted on <a href="http://news.perlfoundation.org/">http://news.perlfoundation.org/</a><br />
+<br />
+<br />
+<a name='more'></a><br />
+<br />
+<div style="text-align: center;">REPORT 1: Sept 2010</div><br />
+<ul><li>1st drafts <ul><li>Preface </li>
+<li>Chapter 2: First SDL Application</li>
+</ul></li>
+<li>Started work on Chapter 3: Drawing</li>
+<li>Outlines for the first 7 chapters have been completed</li>
+<li>Book build framework has been setup</li>
+<li>Released SDL 2.514 (2.515 will be released on 16th of September) <ul><li>This code is the one that will be used in the book for chapter 02</li>
+</ul></li>
+<li>Got more of the Drawing chapter done (It will be done by the end of the week) </li>
+<li>Added several more code examples for other chapters</li>
+</ul>Progress: 2.75 chapters / 11 chapters = approx 25%<br />
+Kartik's work can be followed at:<br />
+<ul><li><a href="http://github.com/PerlGameDev/SDL_Manual">http://github.com/PerlGameDev/SDL_Manual</a></li>
+<li><a href="http://sdlperl.ath.cx/releases/SDL_Manual.pdf">http://sdlperl.ath.cx/releases/SDL_Manual.pdf</a></li>
+</ul><br />
+<br />
+<div style="text-align: center;">REPORT 2: October 2010</div><div style="text-align: center;"><br />
+</div><div style="text-align: left;">Since last time:<br />
+<ul><li>We have released SDL 2.518 <ul><li>Game Loop support completed</li>
+</ul></li>
+</ul>Chapters:<br />
+<ul><li>2nd Drafts for: <ul><li>Preface to Game Loop ( Chapter 0 - Chapter 04)</li>
+</ul></li>
+<li>Chapters completed: 5/11 => 45%</li>
+</ul>Extra:<br />
+<ul><li>cfedde has made a script to extract code listings for readers to try examples with out having to retype them.</li>
+</ul>Coments:<br />
+<ul><li>I am receiving a lot more help from the community, most notable from cfedde for proofreading.</li>
+<li>I will be fleshing out the next 6 chapters shortly and work will begin on them soon</li>
+<li>I am pleased with the progress so far, and I feel the quality is improving due to the pacing.</li>
+</ul>Our work can be seen at:<br />
+<ul><li><a href="http://sdlperl.ath.cx/releases/SDL_Manual.pdf">http://sdlperl.ath.cx/releases/SDL_Manual.pdf</a></li>
+<li><a href="http://sdlperl.ath.cx/releases/SDL_Manual.html">http://sdlperl.ath.cx/releases/SDL_Manual.html</a></li>
+<li><a href="http://github.com/PerlGameDev/SDL_Manual">http://github.com/PerlGameDev/SDL_Manual</a></li>
+</ul></div><br />
+<div style="text-align: center;">REPORT 3: November 2010</div><div style="text-align: left;"><br />
+This is the progress so far:<br />
+<br />
+- SDL 2.523 Releases:<br />
+ - Adds stability and better memory management for the game loop<br />
+<br />
+- 2 chapters have been completed <br />
+ - Pong Chapter (Contributed by garu)<br />
+ - Additional Modules<br />
+- 1 extra chapter has been added<br />
+ - Puzz(le) Chapter (Contributed by Blaizer)<br />
+<br />
+- 2 Chapters are in the Works<br />
+ - Tetris Code has been mostly done (contributed by FROGGS)<br />
+ - Needs to be fixed <br />
+ - Needs write up<br />
+ - Sound and Music Effects code is done<br />
+ - Needs to be fixed<br />
+ - Needs write up<br />
+<br />
+Our work can be seen at:</div><div style="text-align: left;"><a href="http://sdlperl.ath.cx/releases/SDL_Manual.pdf">http://sdlperl.ath.cx/releases/SDL_Manual.pdf</a></div><div style="text-align: left;"><a href="http://sdlperl.ath.cx/releases/SDL_Manual.html">http://sdlperl.ath.cx/releases/SDL_Manual.html</a></div><div style="text-align: left;"><a href="http://github.com/PerlGameDev/SDL_Manual">http://github.com/PerlGameDev/SDL_Manual</a></div><div style="text-align: left;"></div><div style="text-align: left;"></div><div style="text-align: left;"><br />
+Regards,<br />
+YAPGH</div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/3102167581424744259-4413645254021668635?l=yapgh.blogspot.com' alt='' /></div>
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