Game Programming 05 - Development Tools
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Chapter 5 of the lecture Game Programming taught at HAW Hamburg. Introduction to continuous integration, API documentation generation, analytics, static code analysis and crash dump analysis.
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Game Programming 05 - Development Tools
- 2. Objectives • To understand the importance of improved workflows • To get an idea of which kinds of useful tools are out there • To learn how to integrate tools into your daily workflow 2 / 43
- 3. Automated Builds • Allow you to create nightly releases of your current game version • Automate any pre- and post-build steps required for creating new builds • Track build successes and failures and their reasons • Provide access to previous builds (history) • Can parameterize build input and output 3 / 43
- 4. Automated Builds 4 / 43 Jenkins CI – Slash Games
- 5. Automated Builds 5 / 43 Jenkins CI – Project Page
- 6. Typical Build Steps • Accessing source control ▪ Syncing working copy ▪ Creating tags • Writing version numbers • Performing the actual build • Packaging the build result • Publishing the game on a build page • Running unit tests • Sending email notifications 6 / 43
- 7. Automated Builds 7 / 43 Jenkins CI – Project Configuration
- 8. Automated Builds 8 / 43 Jenkins CI – Build Result
- 9. API Documentation • Can be automatically generated from properly formatted source code comments • Output format may vary (usually HTML) • Tools are available for all major object-oriented languages (Javadoc, Sandcastle, Doxygen) 9 / 43
- 10. Javadoc 10 / 43 Javadoc Comments
- 11. Javadoc 11 / 43 Javadoc – Invoked From Command Line javadoc -d api -sourcepath src -subpackages com.example.project
- 12. Javadoc 12 / 43 Javadoc API Documentation
- 13. Sandcastle 13 / 43 XML Documentation Comments
- 14. Sandcastle 14 / 43 Sandcastle Help File Builder GUI
- 15. Sandcastle 15 / 43 MSDN-Style API Documentation
- 16. Doxygen 16 / 43 Doxygen Comment Blocks
- 17. Doxygen 17 / 43 Doxygen GUI Frontend
- 18. Doxygen 18 / 43 Doxygen API Documentation
- 19. Analytics in Games • Track the origin, device and operation system of your players • Track user engagement ▪ Retention ▪ A/B testing • Track monetization success • Track performance ▪ Framerate ▪ Crashes 19 / 43
- 20. Analytics in Games • Involve many key questions ▪ What to track ▪ How to track (who, what, where, when) ▪ How to analyze data • Enough material for a whole different course 20 / 43
- 21. Analytics in Games 21 / 43 Game Analytics Website
- 22. Analytics in Games 22 / 43 Game Analytics API Call private void OnVictory(Event e) { var victoryData = (VictoryEventData)e.EventData; var eventKey = string.Format ("Level:Victory:{0}:{1}", this.currentLevel, victoryData.Type); GA.API.Design.NewEvent(eventKey); }
- 23. Analytics in Games 23 / 43 Game Analytics Metrics
- 24. Analytics in Games 24 / 43 Game Analytics Funnel
- 25. Consistent Code Style • StyleCop analyzes C# source code to enforce a set of style and consistency rules • Helps developers avoid common pitfalls and mistakes • Settings file can be checked in to version control 25 / 43
- 26. Consistent Code Style StyleCop Settings Dialog in Visual Studio 2012 26 / 43
- 27. Consistent Code Style Part of a StyleCop Settings File <StyleCopSettings Version="105"> <GlobalSettings> <StringProperty Name="MergeSettingsFiles">NoMerge</StringProperty> <CollectionProperty Name="RecognizedWords"> <Value>Bresenham</Value> <Value>Dijkstra</Value> <Value>Endre</Value> <Value>Fredman</Value> <Value>multigraph</Value> <Value>Stee</Value> <Value>Tarjan</Value> <Value>Tarjan's</Value> <Value>unweighted</Value> </CollectionProperty> </GlobalSettings> <Analyzers> <Analyzer AnalyzerId="StyleCop.CSharp.DocumentationRules"> <Rules> <Rule Name="DocumentationTextMustContainWhitespace"> <RuleSettings> <BooleanProperty Name="Enabled">False</BooleanProperty> </RuleSettings> </Rule> <Rule Name="ConstructorSummaryDocumentationMustBeginWithStandardText"> <RuleSettings> <BooleanProperty Name="Enabled">False</BooleanProperty> </RuleSettings> </Rule> 27 / 43
- 28. Consistent Code Style StyleCop Warnings in Visual Studio 2012 28 / 43
- 29. Static Code Analysis • ReSharper provides static code analysis • Many, many shortcuts and quick fixes • Improved refactoring • Improved search features • Code templates 29 / 43
- 30. Static Code Analysis R# Static Code Analysis in Visual Studio 2012 30 / 43
- 31. Static Code Analysis R# Suggestions in Visual Studio 2012 31 / 43
- 32. Static Code Analysis R# Suggestions in Visual Studio 2012 32 / 43
- 33. Static Code Analysis R# Suggestions in Visual Studio 2012 33 / 43
- 34. Eclipse Eclipse Java Code Style Clean Up Settings 34 / 43
- 35. Eclipse Eclipse Java Code Style Clean Up Settings 35 / 43
- 36. Hint Setting up tools will always take the same time. Thus, the earlier you set up your tools, the greater your benefit! 36 / 43
- 37. Crash Dump Analaysis • Sadly, even released games and tools will sometimes crash • Windows can automatically generate a minidump whenever a program throws an unhandled exception ▪ Loaded modules ▪ Thread information ▪ Current call stack • These can be loaded and debugged in Visual Studio 37 / 43
- 38. Crash Dump Analaysis 38 / 43 C:Program FilesProcdump>procdump.exe -ma -i D:TempDumps ProcDump v7.0 - Writes process dump files Copyright (C) 2009-2014 Mark Russinovich Sysinternals - www.sysinternals.com With contributions from Andrew Richards Set to: HKLMSOFTWAREMicrosoftWindows NTCurrentVersionAeDebug (REG_SZ) Auto = 1 (REG_SZ) Debugger = "C:Program FilesProcdumpprocdump.exe" -accepteula -ma -j "D:TempDumps" %ld %ld %p Set to: HKLMSOFTWAREWow6432NodeMicrosoftWindows NTCurrentVersionAeDebug (REG_SZ) Auto = 1 (REG_SZ) Debugger = "C:Program FilesProcdumpprocdump.exe" -accepteula -ma -j "D:TempDumps" %ld %ld %p ProcDump is now set as the Just-in-time (AeDebug) debugger.
- 39. Crash Dump Analaysis 39 / 43 C:Program FilesProcdump>procdump.exe -u ProcDump v7.0 - Writes process dump files Copyright (C) 2009-2014 Mark Russinovich Sysinternals - www.sysinternals.com With contributions from Andrew Richards Reset to: HKLMSOFTWAREMicrosoftWindows NTCurrentVersionAeDebug (REG_SZ) Auto = <deleted> (REG_SZ) Debugger = "C:WINDOWSsystem32vsjitdebugger.exe" -p %ld -e %ld Reset to: HKLMSOFTWAREWow6432NodeMicrosoftWindows NTCurrentVersionAeDebug (REG_SZ) Auto = <deleted> (REG_SZ) Debugger = "C:WINDOWSsystem32vsjitdebugger.exe" -p %ld -e %ld ProcDump is no longer the Just-in-time (AeDebug) debugger.
- 40. Crash Dump Analaysis 40 / 43 Deferencing a nullptr that will cause a crash
- 41. Crash Dump Analaysis 41 / 43 Minidump File Summary in Visual Studio
- 42. Crash Dump Analaysis 42 / 43 Debugging a Minidump in Visual Studio
- 43. References • Croy, Bayer, Kawaguchi. Jenkins CI. http://www.Jenkins.io, May 2017. • Oracle. Javadoc. http://www.oracle.com/technetwork/java/javase/documentation/index-jsp- 135444.html., May 2017 6. • Woodruff. Sandcastle Help File Builder. https://github.com/EWSoftware/SHFB, May 2017. • Dimitri. Doxygen. http://www.stack.nl/~dimitri/doxygen/, May 2017. • GameAnalytics. GameAnalytics. http://www.gameanalytics.com/, May 2017. • Microsoft. StyleCop. https://github.com/StyleCop/StyleCop, May 2017. • JetBrains. Resharper. http://www.jetbrains.com/resharper/, May 2017. • The Eclipse Foundation. Eclipse. https://www.eclipse.org/, May 2017. • MSDN. Crash Dump Analysis. http://msdn.microsoft.com/en- us/library/windows/desktop/ee416349(v=vs.85).aspx, May 2017. • MSDN. Collecting User-Mode Dumps. http://msdn.microsoft.com/en- us/library/bb787181(VS.85).aspx, May 2017. • Russinovich. ProcDump. http://technet.microsoft.com/en-us/sysinternals/dd996900.aspx, November 18, 2016. 43 / 43
- 45. 5 Minute Review Session • Which steps can be automated using a build server? • How can API documentation be generated automatically? • Which data can be tracked by analytics? • How can you enforce a consistent code style within your team? • Which tools can help you to detect code quality issues? • How can you debug applications that crashed outside of Visual Studio?