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Havok Behavior is a flexible animation tool that allows the developers to blend animations together in a few clicks. Bethesda Game Studios claims the improvements also allow for a 16× increase in detail and the ability to view unique weather systems occurring at a distance. In addition to the network changes to the engine used in Fallout 4, the Fallout 76 implementation of the engine was described at the game's E3 reveal as having 'all new rendering, lighting, and landscape technology'. A primary issue facing the developers was that components of the core engine (dating back to Gamebryo used in The Elder Scrolls III: Morrowind) such as quests or world loading were designed centering on a single player (dubbed 'Atlas' by the developers for its role in holding up the fabric of the loaded game world), a paradigm that would need to fundamentally change to allow multiple players spanning multiple worlds. This was considered a challenge by experts in the online game industry. Shadowrun free books software#
In conjunction with id Software (like Bethesda Softworks a ZeniMax Media subsidiary), BattleCry attempted to integrate id's Quakenetcode into Fallout 4's engine. Shortly before the release of Fallout 4, while Bethesda Game Studios began development of Starfield and downloadable content for Fallout 4, what is currently Bethesda Game Studios Austin (at the time BattleCry Studios) was tasked with modifying the Creation Engine to support multiplayer content in preparation for the development of Fallout 76.