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57 lines
3.1 KiB
Markdown
57 lines
3.1 KiB
Markdown
# Elden Ring Proton Patcher
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A tool aimed at enhancing the experience when playing the game on linux through proton or natively on windows.
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## Warning
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**This tool is based on patching the game executable through hex-edits. However it is done in a safe and non-destructive way, that ensures the patched executable is never run with EAC enabled. Use at your own risk!**
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## Features
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- set custom frame rate limits (e.g. 30, 90, 165, ...)
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- remove black borders when using resolutions with an aspect ratio other than 16:9 (e.g. ultrawide).
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- remove vigniette overlay
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- remove chromatic abberation filter
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- increase animation distance / fix choppy animations at screen edges
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- remove 60hz limit when using fullscreen mode
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## Dependencies
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- Python >= 3.8.xx (lowest tested)
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## Usage
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1. Copy the file `er-patcher` to the game directory.
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2. In steam, set the game launch options to `./er-patcher ARGS -- %command%` where ARGS is replaced with a combination of
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- `-r RATE` or `--rate RATE` for setting a custom framerate cap (default: 60)
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- `-u` or `--ultrawide` for removing black bars
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- `-v` or `--disable-vigniette` for removing the vigniette overlay
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- `-c` or `--disable-ca` for disabling chromatic abberation
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- `-a` or `--increase-animation-distance` for fixing low frame rate animations at screen edges or for distant entities.
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- `-s` or `--skip-intro` for skipping intro logos when the game starts
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- `-f` or `--remove-60hz-fullscreen` for removing the 60Hz limit in fullscreen mode (only applies to windows and has no effect when running the game through proton due to fshack)
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- Example: `./er-patcher --rate 30 -uavc -- %command%`
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- Example with mangohud and wine fullscreen fsr: `./er-patcher --rate 144 -uvca -- env WINE_FULLSCREEN_FSR=1 MANGOHUD=1 MANGOHUD_CONFIG=histogram %command%`
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3. Launch the game through steam. `er-patcher` automatically launches a patched version of `eldenring.exe` with EAC disabled.
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### Windows
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It also work just as well on windows. The only difference is, that you need to run the script via your Python 3 installation. The following launch option line works in case you installed Python from Microsoft Store:
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> `python er-patcher --rate 165 -uvcaf -- %command%`
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Note: This spawns a python console which will close by itself after the game has finished running. If you find this annoying you can try using `pythonw` instead. In any case `python` needs to be in PATH for windows to find it.
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## How it works
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When the game is launched through steam, the tool creates a patched version of `eldenring.exe` in a temporary subdirectory while leaving the original intact. The tool then modifies the steam launch command to launch the patched executable instead of `start_protected_game.exe`. This ensures that the patched exe is never run with EAC enabled. After the game is closed, the patched executable is removed.
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## Credits
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- [EldenRingFpsUnlockAndMore](https://github.com/uberhalit/EldenRingFpsUnlockAndMore)
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- frame time limit adjustment
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- black bar removal
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- [Flawless Widescreen](https://www.flawlesswidescreen.org)
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- vigniette and ca removal
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- animation distance increase
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