v1.0 - cyberpunk-vr-port-Auto-installer

Setting up dariulone's VR port
means installing eleven separate things in the right order before you can even
launch. I got tired of doing it by hand, so I wrote a PowerShell script that does
the whole thing.

What it does

Finds your game folder automatically (Steam / GOG / Epic), then downloads and
installs the latest version of everything:

RED4ext, Cyber Engine Tweaks, redscript, TweakXL, ArchiveXL, Codeware,
Equipment-EX, and the VR port itself — all of these are on GitHub, so they need
no account and no login at all.

The three Nexus-only mods (Visual Holsters, Visible Bullets, Nova Optics) can't
be fully automated — Nexus only hands out API download links to Premium
accounts, and no amount of "being logged in" changes that. So for those the
script opens each mod page, you click Manual Download, and it grabs the archive
out of your Downloads folder and installs it for you. Three Enter presses total.

If you do have Premium, pass -NexusApiKey and it's completely hands-off.

Safety stuff

• Backs up every file it overwrites before touching anything
• Logs every file it writes, and -Uninstall reverses it exactly
• Warns you if you're not on game version 2.31
• Re-run it any time to update everything to the newest releases
• Only touches your game folder and your Downloads folder

Usage

Unzip, double-click the .bat, answer the prompts. It prints the post-install
checklist at the end (launch flat once, Low preset with the six effects off,
start your OpenXR runtime before the game, F10 for the VR menu).

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Fair warning: it's tested on my setup. If your install layout is unusual or
something breaks, tell me and I'll fix it. Everything's readable plain-text
PowerShell — please do read it before running it, that's good practice with any
script a stranger hands you.

All credit for the actual mod goes to dariulone — go
endorse it. This just
automates their install instructions.