Editing LCC (compiler) (section)

===Quake 3  ===

[[id Software]]'s [[id Tech 3]] [[game engine|engine]] relies on a modified version of LCC to compile the source code of each game module or third-party [[mod (video gaming)|mod]] into [[bytecode]] targeting its [[virtual machine]].<ref>{{cite web|title=John Carmack's .plan file, 24 July, 1999 |url=http://www.team5150.com/~andrew/carmack/johnc_plan_1999.html#d19990724 |archive-url=https://web.archive.org/web/20080512173031/http://www.team5150.com/~andrew/carmack/johnc_plan_1999.html |url-status=dead |archive-date=2008-05-12 }}</ref> This means that modules are oblivious to the system beyond the [[system call]]s and limited [[file system]] scope offered by the engine, which is intended to reduce the threat posed by malicious mod authors. Another consideration is that games and mods written for the engine are [[software portability|portable]] without recompilation; only the virtual machine needs to be [[porting|ported]] to new platforms in order to execute the modules.