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[1.12.2] Templates causing lag


MajikalExplosions

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Hi!  I'm back.  This time it's because of lag again.  The game is playable, but really slow.  What I'm doing right now is loading templates from .nbt files and then placing them in the world from a worldgenerator.  The only problem is that doing so makes world generation around 10 times slower than vanilla Minecraft.  My structures are basically houses (they have roofs, glass, doors, and all that).  I spawn one house per chunk, which means there are a *lot* of houses and I'm guessing that this is what causes the lag.  I have already experimented with this for hours and what I have found (I think) is that having lighting sources slow down world generation.  When I remove my sea lanterns, world generation speeds up to around 50-75% of vanilla terrain generation.  However, it's still really laggy in-game and the game has to consistently skip ticks in order to catch up.  I'm guessing that this in-game lag (and previously world generation before I removed the sea lanterns) is because of the lighting recalculations.  Every time I add a template, the game has to recalculate lighting for that chunk (and possibly other chunks as well) because of the roof and "underground areas" underneath them.  I have attached a debug profile from without the sea lanterns.  I would like to have the sea lanterns back and without lag.  I'm okay with removing the skylight if necessary as long as the lag goes away, but I'm not sure how to do that (if I even need to).  Let me know if you need any more information.  Thanks!

profile-results-2019-02-11_09.03.51.txt

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Where/when are you generating your structure? Ideally you would do it before lighting was calculated

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About Me

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My Discord - Cadiboo#8887

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