PaperMC / PaperMC/Velocity

NoGravity entity meta not clearing upon server transfer

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Dominant language
Java
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Description

Server info:
Velocity 3.1.2-SNAPSHOT Build 140
Minecraft Version: 1.18.2
Forwarding: modern

Servers:

  • Lobby (Minestom 1.18.2 with Microqueue)
  • Main (Fabric 1.18.2)

Description
My lobby server disables gravity by setting NoGravity tag in the entity's metadata. However, it seems like this is not cleared upon server transfer. Resulting in players in the main server not being able to go up or down unless they change gamemode or get killed.

Relevant discussion on Discord: https://discord.com/channels/289587909051416579/908507866183372801/983274666208665610

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the transfer from the Minestom 1.18.2 Lobby to the Fabric 1.18.2 Main server with Velocity 3.1.2-SNAPSHOT and modern forwarding. Compare the entity metadata before and after transfer, using the linked Discord discussion for context. Done means the NoGravity state from the Lobby no longer prevents movement on the Main server.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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