Unreal Engine 4
Mark Rein, the vice-president of Epic Games, revealed on August 18, 2005 that Unreal Engine 4 had been in development since 2003. The engine targets the next generation of PC hardware and consoles after the seventh generation. The only person to work on the Unreal Engine 4 core system design up to that point was Tim Sweeney, technical director and founder of Epic Games. However, at the 2006 Game Developers Conference, Tim Sweeney stated that development would not begin in earnest on the next version until some time in 2008.
Sweeney gave a speech at POPL06 (the Symposium on Principles of Programming Languages) that described aspects of how the Unreal Engine 3 worked at the time and "what we would like to write" in future. He predicted the next generation of games consoles would arrive in 2009, at which time game designers would work with CPUs that had 20 or more cores, 80 or more hardware threads, and more than a teraflop of computing power.
In March 2008, Sweeney predicted that the number of developers working on Unreal Engine 4 would be ramped up to three or four engineers by the end of that year, and appeared to suggest that it would be aimed predominantly at the next generation of consoles rather than PCs: "[Unreal Engine] 4 will exclusively target the next console generation, Microsoft's successor for the Xbox 360, Sony's successor for the Playstation 3 - and if Nintendo ships a machine with similar hardware specs, then that also." However, Rein later confirmed Unreal Engine 4 was coming to PC first, and clarified: "When Tim Sweeney was talking about Unreal Engine 4 [...] he mentioned something along the lines of it being exclusively for the next generation of consoles [...] what he meant was, it won't run on this generation of consoles."
Due to its focus on the next console generation, Michael Capps, President of Epic Games, indicated that Unreal Engine 4 should be ready around 2012.
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