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P3pp3rF1y / SophisticatedBackpacks

Sophisticated backpacks is yet another minecraft backpack mod this time with backpack you can place in world, color in different color combinations, upgrade with more inventory and enhance with many functional upgrades.
https://www.curseforge.com/minecraft/mc-mods/sophisticated-backpacks
GNU General Public License v3.0
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Backpack changes to a model with a battery and vanishes when you shift right click it #1071

Closed FulotG closed 2 weeks ago

FulotG commented 3 weeks ago

I THINK I found how the problem persists! See BOLDED

Describe the bug When placing down a backpack (w/ or w/out stuff in) there is an anomaly that happens that is visible by the model it changes into. This works for any backpack w/ upgrades aswell, and visibly shows the added "battery bank" upgrade on it, this bug doesnt let you open the bag and when shift right clicking to pick up, seemingly diapears, not in hand, nowhere. No crash, the modpack is Valhelsia 6 and it is multiplayer on an 8 gig server.

To Reproduce Steps to reproduce the behavior: The placement seems to be where I placed each of these shingles previously

  1. Place the bag in spot previously having a BlockEntity on it

  2. if bugged, the model will change to "See Attached" Valhelsia 6 6_8_2024 11_04_36 AM after rightclicking it (Backpack1), it was gone note: when chunk was unloaded and reloaded, the backpack was changed to white To reproduce it, place a block with BlockEntities (I used shingles from the mod Domus Ornamentum) in the place you would like to put the backpack, then remove the BlockEntity block and place the backpack. My guess, the backpack reads a sort of NBT data that block leaves and corrupts the backpack.

  3. if broken, drops backpack

  4. if rightclicked, gain nothing, bye bye backpack

Expected behavior If backpack is placed on a spot prevously occupied with that type of block the change should be apperent

Screenshots SC1 Valhelsia 6 6_8_2024 11_07_04 AM Backpack2 placed after right clicking Backpack1(seen above as the white backpack) perfectly normal, almost overwrighting the previous block data

SC2 Valhelsia 6 2024-06-08 11-16-38 - frame at 0m35s Trying to open backpack giving 1 of 2 bugged inventories (duped items in inventory) for 1 frame and the other bugged inventory is a backpack with no slots still only opening for 1 frame

Versions Sophisticated Backpacks: 3.20.5.1044 Forge: 47.2.30

Thank you and sorry for the Screenshot spam! Much love for the amazing mod aswell! Edit: tons of edits as I tested this myself, it was kinda fun

P3pp3rF1y commented 3 weeks ago

No worries about sharing many screenshots, but from what you're saying it sounds like this is only recreatable in that specific position so I won't be able to recreate and potentially fix. Though it really sounds like there's some kind of remaining block data in that place that gets messed up together with backpack data which is causing this issue and from the sound of it also server/client desyncs (disappearing backpack / "dupes" of items in inventory).

if you are able to recreate this in a place where backpack works at the moment please let me know the steps (meaning something like place the shingles, break them, place backpack, ...) otherwise I can't do anything here.

iishrnika commented 3 weeks ago

the same happens to me, i have this problem all over the map sadly, with the backpacks and with the cages from supplementaries too

iishrnika commented 3 weeks ago

My modpack https://www.curseforge.com/minecraft/modpacks/lstb-forge-v2.

P3pp3rF1y commented 3 weeks ago

@iishrnika can you reliably recreate this in any place and what are the steps? And if they are as simple as just placing backpack down I know for sure that just works so I will need to understand minimal set of mods with which it doesn't. (which is likely going to tell you which mod is the actual cause)

P3pp3rF1y commented 3 weeks ago

Also one thing that may be helpful is checking the log at the time the backpack is placed down - are there any errors/warnings logged there at that time?

iishrnika commented 3 weeks ago

I can replicate it, there are no errors when i place the backpack, i don't know how to explain it very good, if you want i can send you the world and the mods for the server.

P3pp3rF1y commented 3 weeks ago

I have no time to debug random modpacks which is why I am asking for the additional info. Basically understand that the issue is either caused by the modpack or server you play on and you would need to figure out what's causing it. Especially given that it's affecting other mods in similar way.

iishrnika commented 3 weeks ago

I have very little information, Basically everything was fine until last week when i added 3 mods, i removed the mods but the problem is still here, no error, no ideea how to debug the problem, the travelers backpacks mod has the same issue on the world.

iishrnika commented 3 weeks ago

nevermind, my problem is slightly different, when placed the backpack dissapears.

P3pp3rF1y commented 3 weeks ago

Can you retry in new world then? Sounds like your world got corrupted.

FulotG commented 3 weeks ago

Sorry for late response How I replicated it was as followed

1: Using the mods "Donum Ornamentum" and this mod, I would make a shingle block and place it anywhere you need. 2: After placing it, break it and place your backpack in the spot the shingle was broken 3: The backpack should change model to one that has the "battery pack" upgrade. Note; Trying to open the backpack would kick you out of bag, and shift right clicking will make the bag vanish. Also if you break the bag to pick it up, you GET the bag, just not any of the contents or upgrades inside

P3pp3rF1y commented 2 weeks ago

Yeah just report this to Domum Ornamentum. I tried breaking shingles and placing vanilla blocks with tile entities (chest and hopper) in its place and they can't be interacted with. So this is not related to SB at all.