Software:Quake II engine

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Quake II engine
A screenshot of Quake II
Developer(s)id Software (John Carmack, John Cash, and Brian Hook)
Final release
3.21 / December 22, 2001; 24 years ago (2001-12-22)
Repositorygithub.com/id-Software/Quake-2
Written inC, Assembly (for software rendering & optimization)
PlatformWindows, Mac OS 8, Linux, PowerPC Macintosh, Amiga, Nintendo 64, Dreamcast, Xbox, PlayStation 2
PredecessorQuake engine
Successorid Tech 3, GoldSrc in part
LicenseGNU GPL-2.0-or-later

The Quake II engine (part of id Tech 2) is a game engine developed by id Software for use in their 1997 first-person shooter Quake II.[1] Like its predecessor the Quake engine, the Quake II engine was also licensed to other developers, appearing in several other games of the era,[2] before being made freely available under the terms of the GNU General Public License on December 22, 2001.[3][4]

Engine features

One of the engine's most notable features was out-of-the-box support for hardware-accelerated graphics, specifically OpenGL, along with the traditional software renderer.[2] Another interesting feature was the subdivision of some of the components into dynamic-link libraries. This allowed both software and OpenGL renderers, which were selected by loading and unloading separate libraries. Libraries were also used for the game logic, with consequences including:

  • Since they were compiled for specific platforms, instead of an interpreter, they could run faster than Quake's solution, which was to run the game logic (QuakeC) in a limited interpreter.[5]
  • id could release the source code to allow modifications while keeping the remainder of the engine proprietary.[6]

As with previous id Software engines, level geometry used binary space partitioning, and would be authored using constructive solid geometry like in the Quake engine. The level environments were lit using lightmaps, a method in which light data for each surface is precalculated (this time, via a radiosity method) and stored as an image, which is then overlaid onto the level geometry and used to determine the light intensity each 3D model should receive, but not its direction.[7][8]

Games using the Quake II engine

Games using a proprietary license

Year Title Developer
1997 Quake II id Software
1998 Quake II Mission Pack: The Reckoning Xatrix Entertainment
Quake II Mission Pack: Ground Zero Rogue Entertainment
Zaero (unofficial expansion for Quake II)[9] Team Evolve
Juggernaut: The New Story (unofficial expansion for Quake II)[9] HeadGames Publishing
Heretic II Raven Software
SiN Ritual Entertainment
1999 Software:SiN: Wages of Sin 2015, Inc.
Software:Kingpin: Life of Crime Xatrix Entertainment
2000 Soldier of Fortune Raven Software
Daikatana Ion Storm
2001 Anachronox

Games based on the GPL source release

Year Title Developer
2000 D-Day: Normandy[10][11] D-Day: Normandy Team
2003 Software:UFO: Alien Invasion UFO: Alien Invasion Team
2008 Gravity Bone Blendo Games
2012 Warsow[12][13] Warsow Team
Thirty Flights of Loving Blendo Games
2017 Alien Arena: Warriors of Mars COR Entertainment, LLC
Quetoo[14] Quetoo Team
2019 Warfork[15] Warfork Team

Ports

  • Jake2 – a Java port of the Quake II engine's GPL release. It has since been used by Sun as an example of Java Web Start capabilities for games distribution over the Internet.[16] In 2006, it was used to experiment playing 3D games with eye tracking.[17] The performance of Jake2 is on par with the original C version.[18]
  • Quake2Forge – one of the earliest community produced source ports. [19]
  • Quake2xp – a port of Quake II to modern operating systems.[20][21][22]
  • KMQuake2 – an upgraded engine for Quake II.[22][23][24]
  • Quake2maX – OpenGL focused source port.
  • Quake 2 Evolved – early graphically enhanced game engine.[25][26][27][28]
  • Quetoo (formerly Quake2World) – multiplayer focused port derived from Quake2Forge.[14][29]
  • Berserker@Quake2 – graphically enhanced Quake II port.[30]
  • Yamagi Quake II – a port of Quake II to modern systems which aims to preserve the original gameplay.[31][32][33][34][22]
  • vkQuake2 – the original Quake II engine with additional Vulkan renderer created by Krzysztof Kondrak, a programmer from Poland. It was originally released in December 2018 under the GPLv2.[35][36]
  • CRX Engine – custom version for CodeRED: Alien Arena.[37][38][39][40]
  • Qfusion – a modification of the GPL version of the engine. The engine was used in the 2012 game Warsow.[41][12][13]
  • Q2Pro – a mutliplayer oriented port, which was also used as the basis for Quake II RTX.[42][43]
  • R1Q2 – another multiplayer focused port.[22]
  • DirectQII – DirectX oriented source port.
  • Fruitz of Dojo – a source port aimed at Mac OS X.[44][45][46]
  • Q2DOS – a backport of the game to MS-DOS.[47][48][49]

See also

References

  1. ↑ Grant, Christopher (August 9, 2011). "id Software looking to shorten dev cycles, stop building new engines for every game". AOL. http://www.joystiq.com/2011/08/09/id-software-looking-to-shorten-dev-cycles-stop-building-new-eng/. 
  2. ↑ 2.0 2.1 "Technology Licensing: id Tech 2". http://www.idsoftware.com/business/idtech2/. 
  3. ↑ DiBona, Chris (December 22, 2001). "Quake 2 Source Code Released Under the GPL". https://games.slashdot.org/story/01/12/22/053211/quake-2-source-code-released-under-the-gpl. 
  4. ↑ Foster-Johnson, Eric (January 24, 2002). "Quake 2 Sources Released". https://www.computerworld.com/article/1390050/quake-2-sources-released.html. 
  5. ↑ Sanglard, Fabien (September 16, 2011). "Quake 2 Source Code Review 2/4". https://fabiensanglard.net/quake2/quake2Polymorphism.php. "Dynamic linking provided numerous advantages: [...] Full native speed for mods, no need to rely on QuakeC and Quake Vitual machine." 
  6. ↑ Sanglard, Fabien (September 16, 2011). "Quake 2 Source Code Review 2/4". https://fabiensanglard.net/quake2/quake2Polymorphism.php. "Dynamic linking provided numerous advantages: [...] More capabilities to mod makers, the entire game could be altered via game.dll." 
  7. ↑ Milne, Rory (March 1, 2019). "The making of Quake 2". https://www.pcgamer.com/the-making-of-quake-2/. "We also had light bouncing—simulated radiosity—so every corner of the world had some lighting." 
  8. ↑ Sanglard, Fabien (September 16, 2011). "Quake 2 Source Code Review 3/4". https://fabiensanglard.net/quake2/quake2_software_renderer.php. "Contrary to Quake1, Quake2 used radiosity and colored light during the precalculation." 
  9. ↑ 9.0 9.1 Wilson, Hamish (November 13, 2023). "Building a Retro Linux Gaming Computer Part 35: The New Stories". https://www.gamingonlinux.com/2023/11/building-a-retro-linux-gaming-computer-part-35-the-new-stories/. 
  10. ↑ Albert, Jose (November 9, 2023). "D-Day: Normandy: Un Juego FPS para Linux basados en Quake2". https://ubunlog.com/d-day-normandy-fps-linux/. 
  11. ↑ "D-Day: Normandy: Un Juego FPS para Linux basados en Quake2". 2023-11-12. https://laboratoriolinux.es/index.php/-noticias-mundo-linux-/juegos/35066-d-day-normandy-un-juego-fps-para-linux-basados-en-quake2.html. 
  12. ↑ 12.0 12.1 Dolinsky, Sergey (2008). "Открытые бета-тесты декабря" (in Russian). Strana Igr (Gameland) (250): 142. https://archive.org/details/Game_Land_2008-01-250/page/n143/mode/2up. 
  13. ↑ 13.0 13.1 "Warsow" (in Romanian). Level (4/2008): 7. April 2008. https://archive.org/details/Level_127_Apr-2008/page/n5/mode/2up. 
  14. ↑ 14.0 14.1 Dawe, Liam (February 8, 2017). "Quetoo, a free and open source FPS is looking to get on Steam". https://www.gamingonlinux.com/2017/02/quetoo-a-free-and-open-source-fps-is-looking-to-get-on-steam/. 
  15. ↑ Dawe, Liam (August 19, 2019). "Based on the classic FPS Warsow, the new Warfork is now live in Early Access". https://www.gamingonlinux.com/2019/08/based-on-the-classic-fps-warsow-the-new-warfork-is-now-live-in-early-access/. 
  16. ↑ "JDK 6u10: Jake2: Quake II in Java". Sun Microsystems. https://www.oracle.com/technetwork/java/javase/jnlp-136707.html#EXAMPLES_JAKE2. "The Jake2 applet example shows the future of game distribution over the Internet. Jake2 is a port of id Software's Quake II to the Java platform developed by Bytonic Software. (...). With the new Java Plug-In, it is now possible to deploy the game directly into the web page with full hardware acceleration and rock-solid reliability." 
  17. ↑ Miller, Ross (August 3, 2006). "Play with your eyes". Joystiq. http://www.joystiq.com/2006/08/03/play-with-your-eyes/. 
  18. ↑ "Q24j: Jake and Java-gaming Viability". O'Reilly Media. November 28, 2005. http://www.oreillynet.com/onjava/blog/2005/11/q24j_jake_and_javagaming_viabi.html. "This is a great show of 3D prowess. Things like this, as well as the Narya 2D open source engine from ThreeRings really are starting to at least show Java can serve as a first-class gaming platform. More than that, just having seen all the… *cough* horrible code in games before, having things like Java's threading model, network and database support might really make it a BETTER platform for a lot of forthcoming games than C." 
  19. ↑ Shaikh, Anees; Sahu, Sambit; Rosu, Marcel-Catalin; Shea, Michael (January 2004). "Implementation of a service platform for online games". Proceedings of the 3rd Workshop on Network and System Support for Games. https://www.researchgate.net/publication/221391412. 
  20. ↑ Papadopoulos, John (August 19, 2018). "Quake2xp final 2018 version is available for download, adds lots of modern graphical features". https://www.dsogaming.com/news/quake2xp-final-2018-version-is-available-for-download-adds-lots-of-modern-graphical-features/. 
  21. ↑ Papadopoulos, John (April 24, 2022). "New features showcased for the Quake 2 HD graphical overhaul mod, q2xp". https://www.dsogaming.com/videotrailer-news/new-features-showcased-for-the-quake-2-hd-graphical-overhaul-mod-q2xp/. 
  22. ↑ 22.0 22.1 22.2 22.3 Fenlon, Wes (October 9, 2014). "How to run Quake II on Windows 7/8". https://www.pcgamer.com/how-to-run-quake-ii-on-windows-78/. 
  23. ↑ Lane, Rick (February 21, 2022). "Quake 4 in Quake 2 does exactly what it says on the tin.". https://www.pcgamer.com/quake-4-in-quake-2-does-exactly-what-it-says-on-the-tin/. 
  24. ↑ Papadopoulos, John (February 16, 2022). "Quake 4 in Quake 2 Demake is now available for download". https://www.dsogaming.com/mods/quake-4-in-quake-2-demake-is-now-available-for-download/. 
  25. ↑ Klum, Marcel (December 10, 2002). "Quake 2 Evolved Beta1". https://www.neowin.net/news/quake-2-evolved-beta1/. 
  26. ↑ Parker, Steven (December 17, 2002). "Quake II Evolved Doomed?". https://www.neowin.net/news/quake-ii-evolved-doomed/. 
  27. ↑ Harris, Wil (November 23, 2005). "Quake 2 Evolved brings old-skool to new hardware". https://bit-tech.net/news/gaming/quake_2_evolved/1/. 
  28. ↑ Brinkmann, Martin (November 21, 2005). "Quake II Evolved". https://www.ghacks.net/2005/11/21/quake-ii-evolved/. 
  29. ↑ Larabel, Michael (2012-04-01). "Quake2World Goes Into Beta With Nice Graphics". https://www.phoronix.com/news/MTA4MDY. 
  30. ↑ Larabel, Michael (January 7, 2016). "A Quake 2 Game Might Get Ported To Linux". https://www.phoronix.com/news/Quake-2-Berserker-Linux. 
  31. ↑ Dawe, Liam (June 16, 2021). "Alternate Quake II game engine Yamagi Quake II adds optional Vulkan support". https://www.gamingonlinux.com/2021/06/alternate-quake-ii-game-engine-yamagi-quake-ii-adds-vulkan/. 
  32. ↑ Burmeister, Yamagi. "Yamagi Quake II project page". https://www.yamagi.org/quake2/. 
  33. ↑ "Quake 2 - Source Ports". https://support.gog.com/hc/en-us/articles/360013523854-Quake-2-Source-Ports?product=gog. 
  34. ↑ "Quake II: Quad Damage Review". August 18, 2017. https://gamingpastime.com/quake-2-review/. 
  35. ↑ Larabel, Michael (December 20, 2018). "Quake 2 Gets A Vulkan Renderer 21 Years After Release". https://www.phoronix.com/scan.php?page=news_item&px=vkQuake2-Quake-2-Vulkan. 
  36. ↑ "vkQuake2 on GitHub". December 19, 2022. https://github.com/kondrak/vkQuake2. 
  37. ↑ Larabel, Michael (April 26, 2009). "A Battle For Good Open-Source Game Graphics?". https://www.phoronix.com/news/NzIzMQ. 
  38. ↑ Larabel, Michael (2012-11-30). "Alien Arena 7.65 To Bring Huge Renderer Enhancements". https://www.phoronix.com/news/MTIzOTc. 
  39. ↑ Graymur (March 7, 2008). "Alien Arena 2008 v7.0 released". https://www.gamewatcher.com/news/2008-07-03-alien-arena-2008-v7-0-released. 
  40. ↑ Quirk, Kev (July 7, 2012). "Alien Arena – 'Quake' for Linux". https://www.omgubuntu.co.uk/2012/07/alien-arena-quake-for-linux. 
  41. ↑ Larabel, Michael (2013-06-15). "QFusion Game Engine Advanced With New Features". https://www.phoronix.com/news/MTM4OTY. 
  42. ↑ Meer, Alec (January 18, 2019). "Raytraced Quake II makes me want to buy a ludicrously expensive new graphics card". https://www.rockpapershotgun.com/quake-ii-raytraced. 
  43. ↑ Papadopoulos, John (May 4, 2019). "Quake 2 RTX – Official PC Minimum System Requirements + New Screenshots". https://www.dsogaming.com/news/quake-2-rtx-official-pc-minimum-system-requirements-new-screenshots/. 
  44. ↑ Royal, Simon (May 31, 2016). "Quake 2: First Person Shooters at Their Best". https://lowendmac.com/2016/quake-2-first-person-shooters-at-their-best/. 
  45. ↑ Cook, Brad (March 19, 2006). "Quake Gets Universal Binary". https://www.macobserver.com/tmo/article/Quake_Gets_Universal_Binary. 
  46. ↑ Monks, Neale (August 1, 2003). "Classic Games: Quake". https://www.mymac.com/2003/08/classic-games-quake/. 
  47. ↑ neozeed (May 2, 2015). "Porting Quake II to MS-DOS pt1". https://virtuallyfun.com/2015/06/02/porting-quake-ii-to-ms-dos-pt1/. 
  48. ↑ Sledge (August 17, 2023). "Q2DOS – Quake II pro DOS". https://www.high-voltage.cz/sortky/q2dos-quake-ii-pro-dos/. 
  49. ↑ Winkie, Luke (February 16, 2017). "Meet the superfans who spent a decade bringing Daikatana back to life". https://www.pcgamer.com/meet-the-superfans-who-spent-a-decade-bringing-daikatana-back-to-life/. 



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