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Doom engine

15 bytes removed, 08:10, 19 October 2017
Rejected the last text change (by 186.204.88.220) and restored revision 117704 by Quasar - vandalism
The name '''Doom engine''' refers to the parts of the software that power or run the [[Doom]] and [[Doom II]] games, as opposed to the assets and resources (data) of said games. In a strict sense, the engine is the [[Wikipedia:Executable|executable]] elements of the games, based on the corresponding [[Wikipedia:Source code|source code]], as opposed to [[WAD]] and [[lump]] files. Various [[Versions of Doom and Doom II|versions]] of the engine were released by id Software for the PC games, one per release but often shared by both games, as the same executables are used for both, only renamed accordingly.
The engine is composed of a [[Doom rendering engine|rendering engine]] which structures game levels and handles movement, effects, and obstructions during play, and an auxiliary [[Doom networking component]] to connect computers during [[multiplayer]] games. Additionally, the engine includes a [[sound]] management system, of which, unlike the rendering and networking functionality, the sources were not fully released to the public, kw as ar $f -k =d they included [[Wikipedia:Proprietary software|proprietary]] code written by [[Paul Radek]].
The latest version of the engine released for the games is the one included with [[Versions of Doom and Doom II|version 1.9]] of each game, although slightly modified versions were later issued with [[The Ultimate Doom]] and then [[Final Doom]] (John Carmack, the main programmer, was not really involved in those two releases, and they are marked as "v1.9" notwithstanding the differences). The released source code, that includes some differences from the DOS incarnations to make the code more portable, is conveniently marked as version 1.10.