hedge-dev / hedge-dev/UnleashedRecomp

The first non-flying spring in Rooftop Run Day (DLC 2-2) throws the player out of bounds at 60 FPS & above

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60FPS HFR
Dominant language
C++
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Description

Validation
  • I have checked the Issues page to see if my problem has already been reported
  • I have confirmed that this bug does not occur in the original game running on original Xbox 360 hardware
If you have DLC installed, please specify which ones you have.
  • Apotos & Shamar Adventure Pack
  • Chun-nan Adventure Pack
  • Empire City & Adabat Adventure Pack
  • Holoska Adventure Pack
  • Mazuri Adventure Pack
  • Spagonia Adventure Pack
If you have mods enabled, please specify which ones you have.

HD Pre-Rendered Movies
High Resolution Textures

If you have codes enabled, please specify which ones you have.

Fix Eggmanland using Event Gallery Transition
Fix Unleash Out of Control Drain

Describe the Bug

When using a framerate cap of at least 60 FPS, Sonic is unable to clear the stage due to the first normal spring not properly working. He will be flung out of bounds and die. This does not happen on Xbox Series X|S with FPS Boost enabled, nor does it happen under the latest Xenia Canary build.

Steps to Reproduce

Steps to reproduce the bug:

  1. Launch DLC Act 2-2 with a framerate cap of at least 60 FPS.
  2. Try to play the stage.
Expected Behavior

Sonic should be able to easily bounce off the first normal spring, without being flung out of bounds to his pitiful death.

Footage

30 FPS framerate cap
60 FPS framerate cap

Specifications
  • CPU: Intel Core i5 8500
  • GPU: NVIDIA GeForce RTX 3050 6 GB
  • GPU Driver: NVIDIA Driver 572.47
  • OS: Windows 11
  • Version: 1.0.1

Contributor guide

No contributing guide indexed for this repository

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 DLC Act 2-2 with a framerate cap of 30 FPS and then at 60 FPS or above, using the supplied footage as a reference. Investigate the first normal spring and compare the behavior with Xenia Canary or Xbox Series X|S FPS Boost; done means Sonic clears the spring without being thrown out of bounds at the affected frame rates.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
game-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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