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copied!<p><strong>Update 2013-01-07</strong>: <em>If you want to see a good mix of component-based game engine with the (in my opinion) superior approach of reactive programming take a look at the <a href="http://v-play.net" rel="noreferrer">V-Play engine</a>. It very well integrates QTs <a href="http://v-play.net/doc/index.html#qml-introduction" rel="noreferrer">QML property binding</a> functionality.</em></p> <p>We did some research on CBSE in games at our university and I collected some material over the years:</p> <p>CBSE in games literature:</p> <ul> <li>Game Engine Architecture</li> <li>Game Programming Gems 4: A System for Managin Game Entities Game</li> <li>Game Programming Gems 5: Component Based Object Management</li> <li>Game Programming Gems 5: A Generic Component Library</li> <li>Game Programming Gems 6: Game Object Component System</li> <li>Object-Oriented Game Development</li> <li>Architektur des Kerns einer Game-Engine und Implementierung mit Java (german)</li> </ul> <p>A very good and clean example of a component-based game-engine in C# is the <a href="http://www.codeplex.com/elephant" rel="noreferrer">Elephant game framework</a>.</p> <p>If you really want to know what components are read: Component-based Software Engineering! They define a component as:</p> <blockquote> <p>A <em>software component</em> is a software element that conforms to a component model and can be independently deployed and composed without modification according to a composition standard.</p> <p>A <em>component model</em> <strong>defines specific interaction</strong> and composition standards. A <em>component model implementation</em> is the dedicated set of executable software elements required to support the execution of components that conform to the model.</p> <p>A <em>software component infrastructure</em> is a set of interacting software components designed to ensure that a software system or subsystem constructed using those components and interfaces will satisfy clearly defined performance specifications.</p> </blockquote> <p><strong>My opinions after 2 years of experience</strong> with CBSE in games thought are that object-oriented programming is simply a dead-end. Remember my warning as you watch your components become smaller and smaller, and more like functions packed in components with a lot of useless overhead. Use <a href="https://stackoverflow.com/questions/1028250/what-is-functional-reactive-programming">functional-reactive programming</a> instead. Also take a look at my fresh blog post (which lead me to this question while writing it :)) about <strong><a href="http://lambdor.net/?p=171" rel="noreferrer">Why I switched from component-based game engine architecture to FRP</a></strong>.</p> <p>CBSE in games papers:</p> <ul> <li><a href="http://books.google.at/books?id=G1jQpyZI2JgC&lpg=PP1&pg=PA66#v=onepage&q=&f=false" rel="noreferrer">Component Based Game Development – A Solution to Escalating Costs and Expanding Deadlines?</a> </li> <li><s><a href="http://www.acims.arizona.edu/PUBLICATIONS/PDF/JeffPlummerMSthesis_wo_Appendix.pdf" rel="noreferrer">A Flexible And Expandable Architecture For Computer Games</a></s> (404)</li> <li><a href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.89.2884&rep=rep1&type=pdf" rel="noreferrer">A Software Architecture for Games</a></li> <li><a href="http://web.archive.org/web/20130628084044/http://mi-lab.org/wp-content/blogs.dir/1/files/publications/Haller%20et%20al%20-%20ACM%20SIGGRAPH%20Campfire%202002%20-%20A%20generic%20framework%20for%20game%20development.pdf" rel="noreferrer">A Generic Framework For Game Development</a> (WebArchive)</li> <li><a href="http://portal.acm.org/ft_gateway.cfm?id=1658872&type=pdf&coll=portal&dl=ACM&CFID=575755565&CFTOKEN=575755565" rel="noreferrer">Smart Composition Of Game Objects Using Dependency Injection</a></li> </ul> <p>CBSE in games web-links (sorted by relevancy):</p> <ul> <li><s><a href="http://www.oddrosemedia.com/wiki/index.php" rel="noreferrer">Component based objects Wiki</a></s> (Empty wiki)</li> <li><a href="http://cowboyprogramming.com/2007/01/05/evolve-your-heirachy" rel="noreferrer">Evolve Your Hierachy</a></li> <li><a href="http://www.gamearchitect.net/Articles/GameObjects1.html" rel="noreferrer">Game Object Structure: Inheritance vs. Aggregation</a></li> <li><a href="http://scottbilas.com/files/2002/gdc_san_jose/game_objects_paper.pdf" rel="noreferrer" title="PDF">A Data-Driven Game Object System (PDF)</a></li> <li><a href="http://scottbilas.com/files/2002/gdc_san_jose/game_objects_slides.ppt" rel="noreferrer">A Data-Driven Game Object System (PPT)</a></li> <li><a href="http://blog.scrambled-egg.net" rel="noreferrer">Component-based prototyping tool for flash</a></li> <li><s><a href="http://cmpmedia.vo.llnwd.net/o1/vault/gdccanada09/slides/marcinchadyGDCCanada.ppt" rel="noreferrer">Theory and Practice of Game Object Component Architecture</a></s> (404)</li> <li><a href="http://t-machine.org/index.php/2007/09/03/entity-systems-are-the-future-of-mmog-development-part-1" rel="noreferrer">Entity Systems are the Future of MMOs</a></li> <li><a href="http://www.ogre3d.org/forums/viewtopic.php?f=1&t=36015" rel="noreferrer">ogre3d.org forum: Component Based Objects</a></li> <li><a href="http://www.gamedev.net/community/forums/topic.asp?topic_id=463508" rel="noreferrer">gamedev.net: Outboard component-based entity system architecture</a></li> <li><a href="http://www.gamedev.net/community/forums/topic.asp?topic_id=489703" rel="noreferrer">gamedev.net: Entity System question</a></li> <li><a href="http://web.archive.org/web/20100730072945/http://www.brainfold.org/blog/tag/entity-system" rel="noreferrer">Brainfold entity-system blog</a> (WebArchive)</li> </ul>

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