Mykhailo Ivanchenko
329e9d3db9
install.ps1/install.sh now create a desktop shortcut/.desktop entry that launches straight into the game, so participants don't have to re-run the install script or hunt through folders after closing the launcher once. Also root-caused the "no instance in Fjord" report: Prism's Export Instance zips the instance contents (instance.cfg, mmc-pack.json, minecraft/) directly at the zip root, NOT wrapped in a folder named after the instance like HOSTING.md assumed. Fixed by repackaging the live modpack.zip server-side with the correct LANParty/ wrapper (verified real exported files - actual Java path, real playtime stats, not fabricated). HOSTING.md still needs a correction pass to stop telling people to expect a pre-wrapped export.
101 lines
5.4 KiB
PowerShell
101 lines
5.4 KiB
PowerShell
# LAN party bootstrap for Windows: installs Fjord Launcher Unlocked (DRM-free
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# Prism fork), seeds a persistent offline account, drops in the pre-built
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# modpack instance, and launches straight into it on the LAN server.
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#
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# Hosted from Gitea (git.mivanchenko.de), not a local http.server — see HOSTING.md.
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# Participants run: irm https://git.mivanchenko.de/mivanchenko/mc-lan-party/raw/branch/main/install.ps1 | iex
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# ---- EDIT ME before hosting ----
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$HostUrl = "https://git.mivanchenko.de/mivanchenko/mc-lan-party/raw/branch/main" # for this script + install.sh (small text files)
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$ModpackUrl = "https://minecraft.mivanchenko.de/modpack.zip" # served directly by Caddy (static/ mount), NOT Gitea — modpack.zip is well over Gitea's 50MB upload cap
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$InstanceName = "LANParty"
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$ServerAddr = "minecraft.mivanchenko.de:25565" # always-on homelab box, same address for prep and the actual party
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# ---------------------------------
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$ErrorActionPreference = "Stop" # fail loudly instead of printing an error and silently continuing
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$InstallDir = Join-Path $env:USERPROFILE "mc-lan-party"
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New-Item -ItemType Directory -Force -Path $InstallDir | Out-Null
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Set-Location $InstallDir
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Write-Host "==> Setting up in $InstallDir"
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$release = Invoke-RestMethod -Uri "https://api.github.com/repos/hero-persson/FjordLauncherUnlocked/releases/latest"
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$asset = $release.assets | Where-Object { $_.name -match "Windows-MSVC-Portable-.*\.zip$" } | Select-Object -First 1
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if (-not $asset) {
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$asset = $release.assets | Where-Object { $_.name -match "Windows-MinGW-w64-Portable-.*\.zip$" } | Select-Object -First 1
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}
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if (-not $asset) { throw "Could not find a Windows portable build in the latest Fjord Launcher Unlocked release." }
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Write-Host "==> Downloading $($asset.name)"
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Invoke-WebRequest -Uri $asset.browser_download_url -OutFile "FjordLauncher.zip"
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Expand-Archive -Path "FjordLauncher.zip" -DestinationPath "app" -Force
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$LauncherBin = Get-ChildItem -Path "app" -Filter "fjordlauncher.exe" -Recurse | Select-Object -First 1 -ExpandProperty FullName
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if (-not $LauncherBin) { throw "fjordlauncher.exe not found after extracting the portable build." }
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# ---- offline account: compute Mojang-style offline UUID so playerdata persists across launches ----
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$Nick = Read-Host "Minecraft nickname [$env:USERNAME]"
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if ([string]::IsNullOrWhiteSpace($Nick)) { $Nick = $env:USERNAME }
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function Get-OfflineUuid([string]$name) {
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$md5 = [System.Security.Cryptography.MD5]::Create()
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$bytes = $md5.ComputeHash([System.Text.Encoding]::UTF8.GetBytes("OfflinePlayer:$name"))
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$bytes[6] = ($bytes[6] -band 0x0f) -bor 0x30
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$bytes[8] = ($bytes[8] -band 0x3f) -bor 0x80
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$hex = -join ($bytes | ForEach-Object { $_.ToString("x2") })
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return "{0}-{1}-{2}-{3}-{4}" -f $hex.Substring(0,8), $hex.Substring(8,4), $hex.Substring(12,4), $hex.Substring(16,4), $hex.Substring(20,12)
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}
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$Uuid = Get-OfflineUuid $Nick
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$md5 = [System.Security.Cryptography.MD5]::Create()
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$clientTokenBytes = $md5.ComputeHash([System.Text.Encoding]::UTF8.GetBytes("ClientToken:$Nick"))
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$ClientToken = -join ($clientTokenBytes | ForEach-Object { $_.ToString("x2") })
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$Iat = [int][double]::Parse((Get-Date -UFormat %s))
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$accounts = @{
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accounts = @(
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@{
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active = $true
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type = "Offline"
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profile = @{ id = $Uuid; name = $Nick; capes = @(); skin = @{ id = ""; url = ""; variant = "" } }
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entitlement = @{ canPlayMinecraft = $true; ownsMinecraft = $true }
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ygg = @{ token = "0"; extra = @{ clientToken = $ClientToken; userName = $Nick }; iat = $Iat }
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}
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)
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formatVersion = 3
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}
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$accounts | ConvertTo-Json -Depth 6 | Set-Content -Path "accounts.json" -Encoding UTF8
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Write-Host "==> Offline account '$Nick' ready (UUID $Uuid)"
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# ---- modpack instance ----
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New-Item -ItemType Directory -Force -Path "instances" | Out-Null
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if (-not (Test-Path (Join-Path "instances" $InstanceName))) {
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Write-Host "==> Downloading modpack from $ModpackUrl"
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try {
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Invoke-WebRequest -Uri $ModpackUrl -OutFile "modpack.zip"
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Expand-Archive -Path "modpack.zip" -DestinationPath "instances" -Force
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} catch {
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Write-Host "==> FAILED to fetch/extract the modpack from $ModpackUrl" -ForegroundColor Red
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Write-Host " $($_.Exception.Message)" -ForegroundColor Red
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Write-Host " (Fjord Launcher itself installed fine at $InstallDir\app — this just means modpack.zip isn't being served yet.)"
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exit 1
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}
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Write-Host "==> Modpack installed to instances\$InstanceName"
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} else {
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Write-Host "==> Instance already present, skipping download"
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}
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# Desktop shortcut so the game is findable after closing it, without re-running this script
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$ShortcutPath = Join-Path ([Environment]::GetFolderPath("Desktop")) "LAN Party Minecraft.lnk"
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$WshShell = New-Object -ComObject WScript.Shell
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$Shortcut = $WshShell.CreateShortcut($ShortcutPath)
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$Shortcut.TargetPath = $LauncherBin
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$Shortcut.Arguments = "--dir `"$InstallDir`" --launch $InstanceName --profile `"$Nick`" --server $ServerAddr"
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$Shortcut.WorkingDirectory = Split-Path $LauncherBin
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$Shortcut.IconLocation = $LauncherBin
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$Shortcut.Save()
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Write-Host "==> Desktop shortcut created: $ShortcutPath (double-click this next time instead of re-running the install script)"
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Write-Host "==> Launching into $InstanceName as $Nick, joining $ServerAddr"
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& $LauncherBin --dir $InstallDir --launch $InstanceName --profile $Nick --server $ServerAddr
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