libretro / libretro/parallel-n64

Mario Party 2 - Rendering issue in Coffin Congestion

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Dominant language
C
Stars
407
Forks
151
Avg merge
11h 53m
Merged PRs (30d)
11

Description

In the minigame Coffin Congestion, the lids of the coffins render slightly transparent, which completely removes the challenge of the minigame.

Image

GLideN64, for reference:

Image

I don't have real hardware to compare to, but this doesn't seem intended. ROM hash (SHA-256) is 0b7b2ec3bd2ac8713b4c43f74a634285a720779964ee2658f7ad2dfa97b33576

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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 Coffin Congestion using the ROM identified by SHA-256 0b7b2ec3bd2ac8713b4c43f74a634285a720779964ee2658f7ad2dfa97b33576, then compare the coffin lids with the GLideN64 reference image. Trace the rendering behavior responsible for the lids and verify the result in the minigame; done means the lids no longer appear unintentionally transparent and the challenge is preserved.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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