OpenTTD / OpenTTD/OpenGFX2

Red pulsating tile highlight doesn't pulsate with OpenGFX2 High Def

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Dominant language
Python
Stars
94
Forks
15
PR merge metrics
No merged PRs in 30d

Description

Red pulsating highlight with OpenGFX2 Classic:

https://github.com/user-attachments/assets/00e80d1b-3edc-4e96-aaaf-4823e32cf659

Red pulsating highlight with OpenGFX2 High Def:

https://github.com/user-attachments/assets/d8554d11-0744-4c88-883c-f0e97bba953d

Presumably because the High Def highlight sprites are antialiased, which will break palette animation.

Contributor guide

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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

Start by comparing the OpenGFX2 Classic and High Def highlight sprites and tracing how the red pulsating highlight is applied to each. The fix is complete when the High Def tile highlight visibly pulsates like the Classic version without breaking its antialiased appearance.

Written by the indexing model from the issue text.

Assessment

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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