PaperMC / PaperMC/Paper

Fire explosion are reduced

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#11,999 0 comments 0 reactions 0 assignees View on GitHub

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scope: parity status: accepted version: 1.21.4
Dominant language
Java
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Description

Expected behavior

I expect the fireball to spread fire on the obsidian at the impact like in vanilla.

https://github.com/user-attachments/assets/2540734b-ad1d-4cae-b9fd-7baa33296dee

Observed/Actual behavior

The fire is not spread on the platform.

https://github.com/user-attachments/assets/04ea3d22-afd1-4073-bce1-29e817dba174

Steps/models to reproduce
  • Create a new world
  • Build an obsidian platform of 3x3 in the air
  • Summon a fireball (/summon minecraft:fireball)
  • Throw the fireball on the obsidian platform
  • Notice if the fire spread on the ground or not
Plugin and Datapack List

None

Paper version

30fdfb1aa173a8362e3a5bf19a4e309341f3ee19

Other

I have discovered this issue while reviewing https://github.com/PaperMC/Paper/pull/11840 which copied the old implementation.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  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

Reproduce the fireball impact on the 3x3 obsidian platform in a clean world using the listed summon command. Review Paper pull request #11840 and the old implementation it copied, then compare the result with vanilla behavior. Done means the fireball spreads fire on the obsidian platform as described, with a regression test if the relevant test location is identified.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
game-dev
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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