Add LAN party modpack, server automation, and client install scripts

Covers the Create + Farmer's Delight modpack list, food roadmap pool, cross-platform client bootstrap (offline account + modpack + auto-join), and the venue-box server setup (lazymc idle sleep/wake, Chunky pregen, file distribution).
2026-10-23 13:58:29 +02:00
parent 24e0a07060
commit a243213b47
7 changed files with 659 additions and 0 deletions
@@ -0,0 +1,80 @@
+# LAN party bootstrap for Windows: installs Fjord Launcher Unlocked (DRM-free
+# Prism fork), seeds a persistent offline account, drops in the pre-built
+# modpack instance, and launches straight into it on the LAN server.
+#
+# Host this file via: python3 -m http.server 8000  (alongside modpack.zip)
+# Participants run:    irm http://<host-ip>:8000/install.ps1 | iex
+
+# ---- EDIT ME before hosting ----
+$HostUrl      = "http://192.168.1.50:8000"
+$ModpackUrl   = "$HostUrl/modpack.zip"
+$InstanceName = "LANParty"
+$ServerAddr   = "192.168.1.50:25565"
+# ---------------------------------
+
+$InstallDir = Join-Path $env:USERPROFILE "mc-lan-party"
+New-Item -ItemType Directory -Force -Path $InstallDir | Out-Null
+Set-Location $InstallDir
+
+Write-Host "==> Setting up in $InstallDir"
+
+$release = Invoke-RestMethod -Uri "https://api.github.com/repos/hero-persson/FjordLauncherUnlocked/releases/latest"
+$asset = $release.assets | Where-Object { $_.name -match "Windows-MSVC-Portable-.*\.zip$" } | Select-Object -First 1
+if (-not $asset) {
+    $asset = $release.assets | Where-Object { $_.name -match "Windows-MinGW-w64-Portable-.*\.zip$" } | Select-Object -First 1
+}
+if (-not $asset) { throw "Could not find a Windows portable build in the latest Fjord Launcher Unlocked release." }
+
+Write-Host "==> Downloading $($asset.name)"
+Invoke-WebRequest -Uri $asset.browser_download_url -OutFile "FjordLauncher.zip"
+Expand-Archive -Path "FjordLauncher.zip" -DestinationPath "app" -Force
+$LauncherBin = Get-ChildItem -Path "app" -Filter "fjordlauncher.exe" -Recurse | Select-Object -First 1 -ExpandProperty FullName
+if (-not $LauncherBin) { throw "fjordlauncher.exe not found after extracting the portable build." }
+
+# ---- offline account: compute Mojang-style offline UUID so playerdata persists across launches ----
+$Nick = Read-Host "Minecraft nickname [$env:USERNAME]"
+if ([string]::IsNullOrWhiteSpace($Nick)) { $Nick = $env:USERNAME }
+
+function Get-OfflineUuid([string]$name) {
+    $md5 = [System.Security.Cryptography.MD5]::Create()
+    $bytes = $md5.ComputeHash([System.Text.Encoding]::UTF8.GetBytes("OfflinePlayer:$name"))
+    $bytes[6] = ($bytes[6] -band 0x0f) -bor 0x30
+    $bytes[8] = ($bytes[8] -band 0x3f) -bor 0x80
+    $hex = -join ($bytes | ForEach-Object { $_.ToString("x2") })
+    return "{0}-{1}-{2}-{3}-{4}" -f $hex.Substring(0,8), $hex.Substring(8,4), $hex.Substring(12,4), $hex.Substring(16,4), $hex.Substring(20,12)
+}
+
+$Uuid = Get-OfflineUuid $Nick
+$md5 = [System.Security.Cryptography.MD5]::Create()
+$clientTokenBytes = $md5.ComputeHash([System.Text.Encoding]::UTF8.GetBytes("ClientToken:$Nick"))
+$ClientToken = -join ($clientTokenBytes | ForEach-Object { $_.ToString("x2") })
+$Iat = [int][double]::Parse((Get-Date -UFormat %s))
+
+$accounts = @{
+    accounts = @(
+        @{
+            active      = $true
+            type        = "Offline"
+            profile     = @{ id = $Uuid; name = $Nick; capes = @(); skin = @{ id = ""; url = ""; variant = "" } }
+            entitlement = @{ canPlayMinecraft = $true; ownsMinecraft = $true }
+            ygg         = @{ token = "0"; extra = @{ clientToken = $ClientToken; userName = $Nick }; iat = $Iat }
+        }
+    )
+    formatVersion = 3
+}
+$accounts | ConvertTo-Json -Depth 6 | Set-Content -Path "accounts.json" -Encoding UTF8
+Write-Host "==> Offline account '$Nick' ready (UUID $Uuid)"
+
+# ---- modpack instance ----
+New-Item -ItemType Directory -Force -Path "instances" | Out-Null
+if (-not (Test-Path (Join-Path "instances" $InstanceName))) {
+    Write-Host "==> Downloading modpack from $ModpackUrl"
+    Invoke-WebRequest -Uri $ModpackUrl -OutFile "modpack.zip"
+    Expand-Archive -Path "modpack.zip" -DestinationPath "instances" -Force
+    Write-Host "==> Modpack installed to instances\$InstanceName"
+} else {
+    Write-Host "==> Instance already present, skipping download"
+}
+
+Write-Host "==> Launching into $InstanceName as $Nick, joining $ServerAddr"
+& $LauncherBin --dir $InstallDir --launch $InstanceName --profile $Nick --server $ServerAddr