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There are problems even beyond the performance drops that come with using scrap mods.
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If you delete those items you can experience visual glitches that can fade in and out as you change your camera angle.Īdditional problems with using scrap mods
#Fsllout nexus spring cleaning movie#
Some examples are the tall hedges in Sanctuary, the movie screen at Starlight Drive-In, and walls without windows or openings. Lets say for example that you scrap a large item that normally blocks your view of any items behind it in game. This data is stored for a 3x3 collection of cells in the UVD files (eg: "Vis\Fallout4.esm\0000DBB9.UVD")." - Ziegfelding (Bethesda staff) It builds a visibility graph of which non-mobile uncombined refs and combined geometries are visible from different points which we then use in game for preculling the scene. "Previs is precomputed visibility data and it is calculated using the precombined NIFs. You may have heard of similar terminology related to previs such as preculling, occlusion, or occlusion culling. For the sake of performance the game's engine reads a special type of data (previs) that was generated with the Creation Kit which says if you're looking at a large item, items that are visually behind it and therefore not visible won't actually be rendered, therefore saving on the cost of rendering additional items. In addition to the performance loss that happens when you break precombines, there is a secondary problem that scrapping certain items may also cause which is breaking previs. Why do scrap mods create weird visual effects? Many users of Scrap Everything see it listed at the top of their description page and mistakenly think it's required to use but IT IS NOT REQUIRED FOR SCRAP EVERYTHING. Generally speaking it's just not a good idea to use this setting in general for any reason.
This is never recommended for low to medium PC hardware.
#Fsllout nexus spring cleaning mod#
The only reason to use this setting ever is if you don't mind a significant performance drop throughout your entire game in order to be able to scrap items at non vanilla locations (whether you're using extended settlement mods, mod created settlements, or a system like Chesko's Camping mod). Use of the ini setting bUseCombinedObjects=0 This great video explains precombines in a fast, user friendly way and I highly recommend it. There is a mod for console users only that has previously claimed to bypass this issue but testing has confirmed that it also breaks precombines. The cell would store the form IDs for those combined refs so it would know not to load 3D for those NIFs in game since their 3D will already be baked into the combined NIFs." - Ziegfelding (Bethesda staff)ĪLL scrap mods that allow you to scrap items not normally scrappable in the vanilla workshop mode that scrap a mesh which is part of a precombined mesh will cause this problem of reduced performance. For example if you had 3 refs to RockWithLichen and 1 ref to RockWithNoLichen tucked together in the corner of a cell, precombination would merge all 4 rock geometries together and all 3 lichen geometries together into a single NIF named for the combination key for that corner of the cell (eg: "Meshes\PreCombined\0000DBBB_01B8656E_OC.NIF").
"Precombination works by analyzing ref 3D for a cell and merging like geometries across similarly located refs into a different set of NIFs.
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