Palmer Luckey on Wednesday denied that he stole proprietary code from ZeniMax Media, in the little-known company’s blockbuster $2 billion lawsuit against Oculus VR and Facebook. ZeniMax has alleged that in 2012, when Luckey was just a video game enthusiast in southern California, he corresponded with John Carmack, the iconic former ZeniMax programmer behind Doom, who was then technical director of its Id Software unit. Carmack allegedly used proprietary hardware and software information to develop the Oculus Rift VR headset.