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FPS drop when firing weapon

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FPS drop when firing weapon

Post by Isopropylalcohol on Fri Aug 15, 2014 6:42 am

Anyone know what would be causing my frames to drop from 40+ to 12 fps when firing a weapon?

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Re: FPS drop when firing weapon

Post by Tesvixen on Fri Aug 15, 2014 8:21 am

Is it a custom weapon?
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Re: FPS drop when firing weapon

Post by Isopropylalcohol on Fri Aug 15, 2014 8:37 am

Nah its any weapon when fired in full auto I cant figure out if its texture sound or mesh related issue.

Edit: Ok some new information to add to this, the frame rate drop doesn't happen when I start a new game so now I'm even more confused either its impossible to play a full ttw play through or my saves are getting messed up somehow

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Re: FPS drop when firing weapon

Post by bft90679 on Fri Aug 15, 2014 10:20 am

Is your FONV PC version?
If it is, I have the same problem when firing minigun.

I used it to clear out The Fort, then FPS started dropping. I can only assume it's about the quantity of enemies, more objects means your PC needs to process more meshes and textures. My case is firing minigun, since the fire rate is high, mesh and texture of muzzle flashes are more than other usual fully auto weapons when firing.

Just a guess, don't know if this is right or not.
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Re: FPS drop when firing weapon

Post by Isopropylalcohol on Fri Aug 15, 2014 10:25 am

The Problem seems to be connected to Archive Invalidation not working I have no idea how to get it to stay turned on.

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Re: FPS drop when firing weapon

Post by Tesvixen on Fri Aug 15, 2014 11:17 am

Fallout Mod Manager has a setting to permanently toggle it on, click the Tools tab in the top bar.
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Re: FPS drop when firing weapon

Post by Isopropylalcohol on Fri Aug 15, 2014 11:18 am

Ok this is really strange, It seems archive invalidation has stop working on a particular characters saves idk what's caused this but the problem has now been solved by deleting said character so thanks guys for the help and what not Very Happy

Really annoying bug Sad

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Re: FPS drop when firing weapon

Post by Tesvixen on Fri Aug 15, 2014 11:30 am

Hm... strange then. I've never heard of that happening.

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Re: FPS drop when firing weapon

Post by Apacheindien on Fri Aug 15, 2014 1:44 pm

Its better to use NMM because archiveinvalidation is simplest in it.If using NMM just go to tools and click archiveinvalidation it will get disabled,now again click over it to enable archiveinvalidation.This simple toggle for archiveinvalidation makes NMM my preferred mod manager.
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Re: FPS drop when firing weapon

Post by Tactical DropBear on Mon Aug 18, 2014 5:52 am

I'm pretty sure it could have something to do with either your Sound driver or the shell casings and effects of the weapon muzzle flash, I've noticed when messing around in godmode just spraying and seeing the shell casings on the ground down my fps from 30-12
Try doing some research on FNV Sound driver conflicts.

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