wip(assembler): M1 round 1 -- manifest format, block contract, bound audit, native Heightfield2D
Luna, M1 round 1 of 4 (plan in Standalone/ASSEMBLER_M1_REPORT.md): - Versioned fixed-scale world manifest (the shipped plan format) and the Core block contract: point evaluation, interval-or-unknown, influence bound, detail envelope, channels. - Interval audit: 256 boxes / 6,912 samples, 0 missed, 0 unknown; a deliberately false bound is detected (negative control). - Native Heightfield2D with biome input: 4,096-point hash fae2721c052aec5c identical at W1/W8/W16; point queries 2.059 ms vs 62.115 ms legacy -- but NOT a match yet (mean density error 274 voxels, 2,261 sign mismatches vs the legacy surface). 45 mesh-free Core queries match direct evaluation exactly. Existing cave world unchanged (walkability, 64/64 tiles). - Open: collision readiness, a valid full-view timing (viewer captures were occluded/empty; top-down height maps are the only usable pair). Also carries the design doc's owner decisions (fixed water; player edits unrestricted, route law for automatic changes only) and three plugin files + BuildHost scripts that earlier round commits had missed (also fixed on unreal/core-integration as 2574b56). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MmSoF64BbRFmk9C3p1VsBJ
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Fr0zkaandClaude Opus 5.5 committed
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@@ -0,0 +1,213 @@
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[CmdletBinding()]
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param(
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[ValidateRange(1, 16)][int]$MaxParallelActions = 16,
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[ValidateRange(60, 900)][int]$TimeoutSeconds = 900
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)
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# Stages only inside Saved/BuildHost, builds the isolated host, then audits the exact Core object
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# files used by the UE module link. Le projet propriétaire et son éditeur ne sont jamais lancés.
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Set-StrictMode -Version Latest
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$ErrorActionPreference = 'Stop'
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$PluginRoot = [IO.Path]::GetFullPath((Join-Path $PSScriptRoot '..'))
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$HostRoot = Join-Path $PluginRoot 'Saved\BuildHost\HostProject'
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$HostProject = Join-Path $HostRoot 'HostProject.uproject'
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$StagePlugin = Join-Path $HostRoot 'Plugins\VoxelForge'
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$StageStandalone = Join-Path $StagePlugin 'Standalone'
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$LogRoot = Join-Path $PluginRoot 'Saved\BuildHost'
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$EngineRoot = 'E:\Program Files\Epic Games\UE_5.7'
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$UbtDll = Join-Path $EngineRoot 'Engine\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll'
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$CoreManifest = Join-Path $PluginRoot 'Standalone\Core\core_sources.txt'
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$BuildLog = Join-Path $LogRoot 'UBT-CoreIntegration.log'
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$BuildStdout = Join-Path $LogRoot 'UBT-CoreIntegration.stdout.log'
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$BuildStderr = Join-Path $LogRoot 'UBT-CoreIntegration.stderr.log'
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$AuditLibrary = Join-Path $LogRoot 'VoxelForgeCore_ue_link_inputs.lib'
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$AuditResult = Join-Path $LogRoot 'VoxelForgeCore_ue_link_safety.log'
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function Assert-UnderPath([string]$Candidate, [string]$Root) {
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$candidateFull = [IO.Path]::GetFullPath($Candidate).TrimEnd('\', '/')
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$rootFull = [IO.Path]::GetFullPath($Root).TrimEnd('\', '/')
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if (-not ($candidateFull.Equals($rootFull, [StringComparison]::OrdinalIgnoreCase) -or
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$candidateFull.StartsWith($rootFull + '\', [StringComparison]::OrdinalIgnoreCase))) {
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throw "Refusing a BuildHost path outside its root: $candidateFull"
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}
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}
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function Copy-DirectoryContents([string]$Source, [string]$Destination) {
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if (-not (Test-Path -LiteralPath $Source -PathType Container)) {
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throw "Canonical Core source directory is missing: $Source"
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}
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[IO.Directory]::CreateDirectory($Destination) | Out-Null
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foreach ($item in @(Get-ChildItem -LiteralPath $Source -Force)) {
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$target = Join-Path $Destination $item.Name
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if ($item.PSIsContainer) {
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Copy-DirectoryContents $item.FullName $target
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} else {
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Copy-Item -LiteralPath $item.FullName -Destination $target -Force
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}
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}
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}
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function Find-VsTool([string]$ToolName) {
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$toolRoot = 'E:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC'
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foreach ($version in @(Get-ChildItem -LiteralPath $toolRoot -Directory | Sort-Object Name -Descending)) {
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$candidate = Join-Path $version.FullName "bin\Hostx64\x64\$ToolName"
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if (Test-Path -LiteralPath $candidate -PathType Leaf) { return $candidate }
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}
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throw "$ToolName was not found in the configured VS 2022 toolchain."
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}
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foreach ($required in @($HostProject, $UbtDll, $CoreManifest)) {
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if (-not (Test-Path -LiteralPath $required -PathType Leaf)) { throw "Required file is missing: $required" }
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}
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Assert-UnderPath $StagePlugin $HostRoot
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Assert-UnderPath $StageStandalone $StagePlugin
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Assert-UnderPath $LogRoot $PluginRoot
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Write-Host 'Staging plugin source and canonical Core inputs into BuildHost.'
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$stageSource = Join-Path $StagePlugin 'Source'
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Assert-UnderPath $stageSource $StagePlugin
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if (Test-Path -LiteralPath $stageSource -PathType Container) {
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$sourceItem = Get-Item -LiteralPath $stageSource -Force
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if (($sourceItem.Attributes -band [IO.FileAttributes]::ReparsePoint) -ne 0) {
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throw "Refusing to replace a linked BuildHost source path: $stageSource"
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}
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$nestedLinks = @(Get-ChildItem -LiteralPath $stageSource -Force -Recurse |
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Where-Object { ($_.Attributes -band [IO.FileAttributes]::ReparsePoint) -ne 0 })
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if ($nestedLinks.Count -gt 0) {
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throw "Refusing to replace BuildHost source containing a link: $($nestedLinks[0].FullName)"
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}
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Remove-Item -LiteralPath $stageSource -Recurse -Force
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}
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Copy-DirectoryContents (Join-Path $PluginRoot 'Source') $stageSource
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Copy-DirectoryContents (Join-Path $PluginRoot 'Standalone\Core\include') (Join-Path $StageStandalone 'Core\include')
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Copy-DirectoryContents (Join-Path $PluginRoot 'Standalone\Core\src') (Join-Path $StageStandalone 'Core\src')
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Copy-DirectoryContents (Join-Path $PluginRoot 'Standalone\Compat') (Join-Path $StageStandalone 'Compat')
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Copy-DirectoryContents (Join-Path $PluginRoot 'Standalone\Source') (Join-Path $StageStandalone 'Source')
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Copy-Item -LiteralPath $CoreManifest -Destination (Join-Path $StageStandalone 'Core\core_sources.txt') -Force
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Copy-Item -LiteralPath (Join-Path $PluginRoot 'VoxelForge.uplugin') `
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-Destination (Join-Path $StagePlugin 'VoxelForge.uplugin') -Force
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# The verified owner-asset copies are already staged under BuildHost. Read only those copies here;
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# never resolve, open, copy, or compare against the owner's project Content directory.
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$hostAssetRoot = Join-Path $HostRoot 'Content\VoxelForge'
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$expectedAssetHashes = @{
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'DA_Settings' = '5D2977F57E75A63B6B73499CD6E0AA7FBBF3718CE7F70318107BF922F0819AB7'
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'DA_Strate1' = 'CDA1F985E589F28CA6E93A068FECC3CA92487E4AD5700F2C301C4B563E40E5F9'
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'DA_Strate2' = '02F56A18CED991BAF93DFB2F69438152275E8353B5E279C1CB7DD6E079E352E2'
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'DA_Strate3' = 'F47437F8D156C608AA06E40C5B76716ED4A19FA0F057688E7FECC04DC976428C'
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'DA_Strate4' = '279570AE3CBA7B3507269C8209A7C931EEB7A15CC3241CE07B50120996B1C656'
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}
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foreach ($assetName in $expectedAssetHashes.Keys) {
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$stagedAsset = Join-Path $hostAssetRoot "$assetName.uasset"
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if (-not (Test-Path -LiteralPath $stagedAsset -PathType Leaf)) {
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throw "Verified BuildHost asset copy is missing: $stagedAsset"
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}
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$stagedHash = (Get-FileHash -LiteralPath $stagedAsset -Algorithm SHA256).Hash
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if ($stagedHash -ne $expectedAssetHashes[$assetName]) {
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throw "BuildHost asset copy differs from the recorded round-2 hash: $assetName"
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}
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}
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$dotnet = (Get-Command dotnet.exe -ErrorAction Stop).Source
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$argumentList = @(
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('"{0}"' -f $UbtDll), 'UnrealEditor', 'Win64', 'Development',
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('-Project="{0}"' -f $HostProject), '-WaitMutex', '-NoHotReloadFromIDE',
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'-NoUBA', '-NoXGE', '-NoFASTBuild', '-NoSNDBS',
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"-MaxParallelActions=$MaxParallelActions", ('-Log="{0}"' -f $BuildLog)
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)
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$crashRoots = @((Join-Path $HostRoot 'Saved\Crashes'), (Join-Path $StagePlugin 'Saved\Crashes'))
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$crashBefore = @{}
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foreach ($crashRoot in $crashRoots) {
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if (Test-Path -LiteralPath $crashRoot -PathType Container) {
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foreach ($crash in @(Get-ChildItem -LiteralPath $crashRoot -Directory -Filter 'UECC-*' -Recurse -Force)) {
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$crashBefore[$crash.FullName.ToLowerInvariant()] = $crash.LastWriteTimeUtc.Ticks
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}
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}
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}
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$buildSucceeded = $false
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for ($attempt = 1; $attempt -le 2 -and -not $buildSucceeded; ++$attempt) {
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$attemptStdout = if ($attempt -eq 1) { $BuildStdout } else { Join-Path $LogRoot 'UBT-CoreIntegration.retry.stdout.log' }
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$attemptStderr = if ($attempt -eq 1) { $BuildStderr } else { Join-Path $LogRoot 'UBT-CoreIntegration.retry.stderr.log' }
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Write-Host "BuildHost UBT attempt $attempt of 2; max parallel actions=$MaxParallelActions; normal priority."
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$process = Start-Process -FilePath $dotnet -ArgumentList $argumentList -WorkingDirectory $PluginRoot `
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-RedirectStandardOutput $attemptStdout -RedirectStandardError $attemptStderr `
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-WindowStyle Hidden -PassThru
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$process.PriorityClass = [Diagnostics.ProcessPriorityClass]::Normal
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$started = [datetime]::UtcNow
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while (-not $process.HasExited) {
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Start-Sleep -Seconds 5
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$process.Refresh()
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if (([datetime]::UtcNow - $started).TotalSeconds -gt $TimeoutSeconds) {
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Stop-Process -Id $process.Id -Force -ErrorAction SilentlyContinue
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throw "BuildHost UBT exceeded the $TimeoutSeconds-second time box; stopped PID $($process.Id)."
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}
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if (-not $process.HasExited -and $process.PrivateMemorySize64 -gt 8GB) {
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Stop-Process -Id $process.Id -Force -ErrorAction SilentlyContinue
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throw "BuildHost UBT exceeded the 8 GiB private-memory limit; stopped PID $($process.Id)."
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}
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}
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$process.WaitForExit()
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$process.Refresh()
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$buildExitCode = $process.ExitCode
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if ([string]::IsNullOrEmpty([string]$buildExitCode) -and (Test-Path -LiteralPath $BuildLog -PathType Leaf) -and
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((Get-Content -LiteralPath $BuildLog -Raw) -match '(?m)^Result: Succeeded\s*$')) {
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# Some Windows Start-Process handles lose the exit-code field after UBT's child exits;
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# accept only UBT's explicit successful target result in that case.
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$buildExitCode = 0
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}
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if ($buildExitCode -eq 0) {
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$buildSucceeded = $true
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Write-Host "BuildHost UBT attempt $attempt passed."
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} elseif ($buildExitCode -eq -1073741502 -and $attempt -eq 1) {
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Write-Warning 'BuildHost UBT exited with 0xC0000142; retrying once as requested.'
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} else {
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throw "BuildHost UBT attempt $attempt failed with exit code '$buildExitCode'. See $BuildLog."
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}
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}
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if (-not $buildSucceeded) { throw 'BuildHost UBT did not complete successfully.' }
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$manifestRows = @(Get-Content -LiteralPath $CoreManifest | ForEach-Object { $_.Trim().Replace('\', '/') } |
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Where-Object { $_ -and -not $_.StartsWith('#') })
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$expectedObjects = @($manifestRows | ForEach-Object {
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'VFCore_' + ($_ -replace '[^A-Za-z0-9]+', '_') + '.cpp.obj'
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})
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$objectRoot = Join-Path $StagePlugin 'Intermediate\Build'
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$coreObjects = @(Get-ChildItem -LiteralPath $objectRoot -Recurse -File -Filter 'VFCore_*.cpp.obj' |
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Where-Object { $_.FullName -match '\\VoxelForgeCore\\' })
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$actualObjects = @($coreObjects | ForEach-Object { $_.Name } | Sort-Object -Unique)
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$missingObjects = @($expectedObjects | Where-Object { $actualObjects -notcontains $_ })
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$unexpectedObjects = @($actualObjects | Where-Object { $expectedObjects -notcontains $_ })
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if ($missingObjects.Count -gt 0 -or $unexpectedObjects.Count -gt 0 -or $coreObjects.Count -ne $manifestRows.Count) {
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throw "Core link input inventory mismatch: expected $($manifestRows.Count) shims, found $($coreObjects.Count); missing=[$($missingObjects -join ',')], extra=[$($unexpectedObjects -join ',')]."
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}
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$libTool = Find-VsTool 'lib.exe'
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if (Test-Path -LiteralPath $AuditLibrary -PathType Leaf) { Remove-Item -LiteralPath $AuditLibrary -Force }
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& $libTool '/nologo' ("/OUT:{0}" -f $AuditLibrary) @($coreObjects.FullName)
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if ($LASTEXITCODE -ne 0 -or -not (Test-Path -LiteralPath $AuditLibrary -PathType Leaf)) {
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throw "Could not archive the exact UBT Core link inputs for symbol inspection (exit $LASTEXITCODE)."
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}
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& (Join-Path $PluginRoot 'Standalone\Core\CheckCoreSymbols.ps1') `
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-LibraryPath $AuditLibrary -ResultPath $AuditResult
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$newCrashes = [Collections.Generic.List[string]]::new()
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foreach ($crashRoot in $crashRoots) {
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if (Test-Path -LiteralPath $crashRoot -PathType Container) {
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foreach ($crash in @(Get-ChildItem -LiteralPath $crashRoot -Directory -Filter 'UECC-*' -Recurse -Force)) {
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if (-not $crashBefore.ContainsKey($crash.FullName.ToLowerInvariant())) {
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[void]$newCrashes.Add($crash.FullName)
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}
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}
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}
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}
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if ($newCrashes.Count -gt 0) {
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throw "New UECC crash folders appeared during the BuildHost run: $($newCrashes -join '; ')"
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}
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Write-Host "Verified the five recorded asset hashes in the existing BuildHost Content copies."
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Write-Host "Core manifest shims linked and audited: $($coreObjects.Count)"
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Write-Host "Link-safety result: $AuditResult"
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Write-Host "Build log: $BuildLog"
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