VoxelForge/Tools/TestVoxelForgeCoreWorldHost.ps1

[CmdletBinding()]
param(
    [ValidateRange(60, 900)][int]$TimeoutSeconds = 900
)

# Exercise AVoxelWorld Core streaming, collision, anchor movement, and carving in BuildHost only.
Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

$PluginRoot = [IO.Path]::GetFullPath((Join-Path $PSScriptRoot '..'))
$HostRoot = Join-Path $PluginRoot 'Saved\BuildHost\HostProject'
$StagePlugin = Join-Path $HostRoot 'Plugins\VoxelForge'
$HostProject = Join-Path $HostRoot 'HostProject.uproject'
$OutputRoot = Join-Path $StagePlugin 'Saved\CoreWorldValidation'
$OutputDirectory = Join-Path $OutputRoot 'Output'
$LogDirectory = Join-Path $OutputRoot 'Logs'
$LocalAppData = Join-Path $OutputRoot 'LocalAppData'
$UserDirectory = Join-Path $OutputRoot 'User'
$DerivedDataCache = Join-Path $PluginRoot 'Saved\BuildHost\VFCoreWorldDDC'
$ZenData = Join-Path $OutputRoot 'ZenData'
$EditorCmd = 'E:\Program Files\Epic Games\UE_5.7\Engine\Binaries\Win64\UnrealEditor-Cmd.exe'
$MemoryLimitBytes = 8GB
$CrashRoots = @((Join-Path $HostRoot 'Saved\Crashes'), (Join-Path $StagePlugin 'Saved\Crashes'))

function Assert-UnderPath([string]$Candidate, [string]$Root) {
    $candidateFull = [IO.Path]::GetFullPath($Candidate).TrimEnd('\', '/')
    $rootFull = [IO.Path]::GetFullPath($Root).TrimEnd('\', '/')
    if (-not ($candidateFull.Equals($rootFull, [StringComparison]::OrdinalIgnoreCase) -or
        $candidateFull.StartsWith($rootFull + '\', [StringComparison]::OrdinalIgnoreCase))) {
        throw "Refusing a BuildHost path outside its root: $candidateFull"
    }
}

Assert-UnderPath $HostRoot (Join-Path $PluginRoot 'Saved\BuildHost')
Assert-UnderPath $OutputRoot (Join-Path $StagePlugin 'Saved')
foreach ($required in @($HostProject, $EditorCmd)) {
    if (-not (Test-Path -LiteralPath $required -PathType Leaf)) {
        throw "Required BuildHost commandlet input is missing: $required"
    }
}

$foreignEditors = @(Get-Process -ErrorAction SilentlyContinue |
    Where-Object { $_.ProcessName -like 'UnrealEditor*' })
if ($foreignEditors.Count -gt 0) {
    $ids = ($foreignEditors | ForEach-Object { "$($_.ProcessName):$($_.Id)" }) -join ', '
    throw "An UnrealEditor process is already running; leaving it untouched: $ids"
}

$ExpectedAssetHashes = @{
    'DA_Settings' = '5D2977F57E75A63B6B73499CD6E0AA7FBBF3718CE7F70318107BF922F0819AB7'
    'DA_Strate1' = 'CDA1F985E589F28CA6E93A068FECC3CA92487E4AD5700F2C301C4B563E40E5F9'
    'DA_Strate2' = '02F56A18CED991BAF93DFB2F69438152275E8353B5E279C1CB7DD6E079E352E2'
    'DA_Strate3' = 'F47437F8D156C608AA06E40C5B76716ED4A19FA0F057688E7FECC04DC976428C'
    'DA_Strate4' = '279570AE3CBA7B3507269C8209A7C931EEB7A15CC3241CE07B50120996B1C656'
}
foreach ($assetName in $ExpectedAssetHashes.Keys) {
    $stagedAsset = Join-Path $HostRoot "Content\VoxelForge\$assetName.uasset"
    if (-not (Test-Path -LiteralPath $stagedAsset -PathType Leaf)) {
        throw "Verified BuildHost asset copy is missing: $assetName"
    }
    if ((Get-FileHash -LiteralPath $stagedAsset -Algorithm SHA256).Hash -ne $ExpectedAssetHashes[$assetName]) {
        throw "BuildHost asset copy differs from the recorded round-2 hash: $assetName"
    }
}

foreach ($directory in @($OutputDirectory, $LogDirectory, $LocalAppData,
    $UserDirectory, $DerivedDataCache, $ZenData)) {
    [IO.Directory]::CreateDirectory($directory) | Out-Null
}

$CrashBefore = @{}
foreach ($CrashRoot in $CrashRoots) {
    if (Test-Path -LiteralPath $CrashRoot -PathType Container) {
        foreach ($Crash in @(Get-ChildItem -LiteralPath $CrashRoot -Directory -Filter 'UECC-*' -Recurse -Force)) {
            $CrashBefore[$Crash.FullName.ToLowerInvariant()] = $Crash.LastWriteTimeUtc.Ticks
        }
    }
}

function Get-NewCrashFolders {
    $Found = [Collections.Generic.List[string]]::new()
    foreach ($CrashRoot in $CrashRoots) {
        if (Test-Path -LiteralPath $CrashRoot -PathType Container) {
            foreach ($Crash in @(Get-ChildItem -LiteralPath $CrashRoot -Directory -Filter 'UECC-*' -Recurse -Force)) {
                if (-not $CrashBefore.ContainsKey($Crash.FullName.ToLowerInvariant())) {
                    [void]$Found.Add($Crash.FullName)
                }
            }
        }
    }
    return @($Found.ToArray())
}

$BaseArguments = @(
    ('-project="{0}"' -f $HostProject),
    '-nullrhi', '-unattended', '-nop4', '-nosplash', '-NoSound',
    '-stdout', '-FullStdOutLogOutput', '-forcelogflush', '-NoZenAutoLaunch',
    '-notraceserver', '-nocrashreports', '-ddc=NoZenLocalFallback',
    ('-userdir="{0}"' -f $UserDirectory),
    ('-ZenDataPath="{0}"' -f $ZenData),
    ('-LocalDataCachePath="{0}"' -f $DerivedDataCache),
    '-run=VoxelForgeExplore', '-seed=0', '-archetype=TunnelNetwork', '-slot=0',
    '-modes=export', '-gameconfig=1', '-coreworldtest=1',
    '-settingsref=/Game/VoxelForge/DA_Settings.DA_Settings',
    ('-out="{0}"' -f $OutputDirectory)
)

$OldLocalAppData = $env:LOCALAPPDATA
$env:LOCALAPPDATA = $LocalAppData
try {
    $Succeeded = $false
    for ($Attempt = 1; $Attempt -le 2 -and -not $Succeeded; ++$Attempt) {
        if ($Attempt -eq 1) {
            $LogFileName = 'CoreWorldValidation.log'
            $StdoutFileName = 'CoreWorldValidation.stdout.log'
            $StderrFileName = 'CoreWorldValidation.stderr.log'
        } else {
            $LogFileName = 'CoreWorldValidation.retry.log'
            $StdoutFileName = 'CoreWorldValidation.retry.stdout.log'
            $StderrFileName = 'CoreWorldValidation.retry.stderr.log'
        }
        $LogPath = Join-Path $LogDirectory $LogFileName
        $StdoutPath = Join-Path $LogDirectory $StdoutFileName
        $StderrPath = Join-Path $LogDirectory $StderrFileName
        $Arguments = @($BaseArguments) + ('-abslog="{0}"' -f $LogPath)
        Write-Host "BuildHost Core actor commandlet attempt $Attempt of 2; normal priority."
        $Process = Start-Process -FilePath $EditorCmd -ArgumentList $Arguments -WorkingDirectory $HostRoot `
            -RedirectStandardOutput $StdoutPath -RedirectStandardError $StderrPath `
            -WindowStyle Hidden -PassThru
        $Process.PriorityClass = [Diagnostics.ProcessPriorityClass]::Normal
        $StartedUtc = [datetime]::UtcNow
        $PeakPrivateBytes = [int64]0
        while (-not $Process.HasExited) {
            Start-Sleep -Seconds 2
            $Process.Refresh()
            if (-not $Process.HasExited) {
                $PeakPrivateBytes = [Math]::Max($PeakPrivateBytes, [int64]$Process.PrivateMemorySize64)
            }
            if (([datetime]::UtcNow - $StartedUtc).TotalSeconds -gt $TimeoutSeconds) {
                Stop-Process -Id $Process.Id -Force -ErrorAction SilentlyContinue
                throw "BuildHost Core actor commandlet exceeded the $TimeoutSeconds-second time box."
            }
            if (-not $Process.HasExited -and $Process.PrivateMemorySize64 -gt $MemoryLimitBytes) {
                Stop-Process -Id $Process.Id -Force -ErrorAction SilentlyContinue
                throw 'BuildHost Core actor commandlet exceeded the 8 GiB private-memory limit.'
            }
        }
        $Process.WaitForExit()
        $Process.Refresh()
        $ExitCode = $Process.ExitCode
        if ([string]::IsNullOrEmpty([string]$ExitCode) -and (Test-Path -LiteralPath $LogPath -PathType Leaf)) {
            $CompletedLog = Get-Content -LiteralPath $LogPath -Raw
            if ($CompletedLog -match '\[VoxelForgeCoreWorldTest\] pass complete=1' -and
                $CompletedLog -match 'Commandlet VoxelForgeExploreCommandlet_\d+ finished execution \(result 0\)') {
                $ExitCode = 0
            }
        }
        if ($ExitCode -eq -1073741502 -and $Attempt -eq 1) {
            Write-Warning 'BuildHost Core actor commandlet exited with 0xC0000142; retrying once.'
            continue
        }
        if ($ExitCode -ne 0) {
            $NewCrashes = @(Get-NewCrashFolders)
            $CrashDetail = if ($NewCrashes.Count -gt 0) { " New UECC folders: $($NewCrashes -join '; ')." } else { '' }
            throw "BuildHost Core actor commandlet attempt $Attempt failed with exit code '$ExitCode'.$CrashDetail See $LogPath."
        }
        $Succeeded = $true
    }
    if (-not $Succeeded) { throw 'BuildHost Core actor commandlet did not complete successfully.' }
} finally {
    if ($null -eq $OldLocalAppData) {
        Remove-Item Env:LOCALAPPDATA -ErrorAction SilentlyContinue
    } else {
        $env:LOCALAPPDATA = $OldLocalAppData
    }
}

$FinalLog = Join-Path $LogDirectory 'CoreWorldValidation.log'
if (-not (Test-Path -LiteralPath $FinalLog -PathType Leaf)) {
    $FinalLog = Join-Path $LogDirectory 'CoreWorldValidation.retry.log'
}
$Text = Get-Content -LiteralPath $FinalLog -Raw
foreach ($Phase in @('initial', 'anchor', 'edit', 'surface_travel', 'surface_strate_travel')) {
    if ($Text -notmatch "\[VoxelForgeCoreWorldTest\] pass phase=$Phase") {
        throw "BuildHost Core actor log is missing the '$Phase' validation marker. See $FinalLog."
    }
}
if ($Text -notmatch '\[VoxelForgeCoreWorldTest\] worker_hash_matrix=1/8/16 stable=1') {
    throw "BuildHost Core actor log is missing the W1/W8/W16 determinism marker. See $FinalLog."
}
$NewCrashes = @(Get-NewCrashFolders)
if ($NewCrashes.Count -gt 0) {
    throw "New UECC crash folders appeared during Core actor validation: $($NewCrashes -join '; ')"
}
Write-Host 'VOXELFORGE_CORE_WORLD_PASS streaming=1 collision=1 anchor_move=1 carve=1'
Write-Host "Core actor log: $FinalLog"
Write-Host "Peak commandlet private bytes sampled: $PeakPrivateBytes"