Before it could release an open-source version of the Doom 3 engine code to all, id Software had to run it by the lawyers. But, their fierce eyes have spotted a slight problem. Chief id technomancer John Carmack is now writing new code to dodge legal issues surrounding the rendering technique, "Carmack's Reverse," which gave Doom 3 its lovely shadows.

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id Software has said for several years that it intends to release the Doom 3 source code after Rage shipped, and now those plans are looking a little more concrete. During his legendary QCon keynote speech yesterday, id technical wizard John Carmack revealed that parent company ZeniMax has approved the source release, and it'll arrive some time after Rage's October launch (via Eurogamer).

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