136 lines
6.1 KiB
PowerShell
136 lines
6.1 KiB
PowerShell
[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[string]$ReferenceDirectory,
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[Parameter(Mandatory = $true)]
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[string]$Checkpoint,
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[string]$GodotPath,
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[string]$Output = "user://render_camera_pose_sweep",
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[double[]]$YawOffsets = @(-10.0, 0.0, 10.0),
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[double[]]$PitchOffsets = @(-10.0, 0.0, 10.0),
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[double]$CameraFov = 62.0,
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[int]$ViewportWidth = 1280,
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[int]$ViewportHeight = 900,
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[double]$WaitSeconds = 8.0,
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[double]$MeasureSeconds = 0.1,
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[switch]$PlanOnly
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)
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$ErrorActionPreference = "Stop"
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$repoRoot = Split-Path -Parent $PSScriptRoot
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if (-not $GodotPath) {
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$godotCommand = Get-Command godot -ErrorAction SilentlyContinue
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if ($godotCommand) {
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$GodotPath = $godotCommand.Source
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} else {
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$GodotPath = Join-Path $env:TEMP "godot-4.6.1-openwc\Godot_v4.6.1-stable_win64.exe"
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}
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}
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if (-not (Test-Path -LiteralPath $GodotPath)) {
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throw "Godot executable not found: $GodotPath"
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}
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if (-not (Test-Path -LiteralPath $ReferenceDirectory)) {
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throw "Reference directory not found: $ReferenceDirectory"
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}
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$invariantCulture = [Globalization.CultureInfo]::InvariantCulture
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$cameraFovText = $CameraFov.ToString($invariantCulture)
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$waitSecondsText = $WaitSeconds.ToString($invariantCulture)
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$measureSecondsText = $MeasureSeconds.ToString($invariantCulture)
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$absoluteOutput = if ($Output.StartsWith("user://")) {
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Join-Path $env:APPDATA "Godot\app_userdata\OpenWC\$($Output.Substring(7))"
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} else {
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[IO.Path]::GetFullPath((Join-Path $repoRoot $Output))
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}
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$ranking = [Collections.Generic.List[object]]::new()
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Push-Location $repoRoot
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try {
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foreach ($yawOffset in $YawOffsets) {
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foreach ($pitchOffset in $PitchOffsets) {
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$yawText = $yawOffset.ToString("0.###", $invariantCulture)
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$pitchText = $pitchOffset.ToString("0.###", $invariantCulture)
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$candidateName = "yaw_$($yawText.Replace('-', 'n').Replace('.', '_'))__pitch_$($pitchText.Replace('-', 'n').Replace('.', '_'))"
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$candidateOutput = "$Output/$candidateName"
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$comparisonReport = Join-Path $absoluteOutput "$candidateName.json"
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if ($PlanOnly) {
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$ranking.Add([pscustomobject]@{
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yaw_offset_degrees = $yawOffset
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pitch_offset_degrees = $pitchOffset
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camera_fov_degrees = $CameraFov
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candidate_directory = $candidateOutput
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})
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continue
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}
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$captureArguments = @(
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"--path", ".", "--script", "res://src/tools/capture_render_checkpoints.gd", "--",
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"--output", $candidateOutput, "--only", $Checkpoint, "--single-pass",
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"--camera-fov", $cameraFovText,
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"--camera-yaw-offset", $yawText, "--camera-pitch-offset", $pitchText,
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"--viewport-width", $ViewportWidth, "--viewport-height", $ViewportHeight,
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"--wait", $waitSecondsText, "--measure", $measureSecondsText
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)
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$captureProcess = Start-Process -FilePath $GodotPath -ArgumentList $captureArguments -Wait -PassThru
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if ($captureProcess.ExitCode -ne 0) {
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throw "Capture failed for yaw=$yawText pitch=$pitchText"
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}
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$comparisonArguments = @(
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"--headless", "--path", ".", "--script", "res://src/tools/compare_render_checkpoints.gd", "--",
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"--reference", $ReferenceDirectory, "--candidate", $candidateOutput,
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"--only", $Checkpoint, "--output", $comparisonReport
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)
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$comparisonProcess = Start-Process -FilePath $GodotPath -ArgumentList $comparisonArguments -Wait -PassThru -NoNewWindow
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if ($comparisonProcess.ExitCode -notin @(0, 1)) {
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throw "Comparison failed for yaw=$yawText pitch=$pitchText"
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}
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$comparison = Get-Content -Raw -LiteralPath $comparisonReport | ConvertFrom-Json
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if ($comparison.compared_count -lt 1) {
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throw "No paired image was compared for yaw=$yawText pitch=$pitchText"
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}
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$metricResults = @($comparison.results | Where-Object { $null -ne $_.mean_perceptual_error })
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if ($metricResults.Count -ne $comparison.compared_count) {
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$statuses = ($comparison.results.status | Sort-Object -Unique) -join ","
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throw "Comparison produced no numeric metric for yaw=$yawText pitch=$pitchText statuses=$statuses"
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}
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$meanError = ($metricResults | Measure-Object -Property mean_perceptual_error -Average).Average
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$changedRatio = ($metricResults | Measure-Object -Property changed_pixel_ratio -Average).Average
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$ranking.Add([pscustomobject]@{
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yaw_offset_degrees = $yawOffset
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pitch_offset_degrees = $pitchOffset
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camera_fov_degrees = $CameraFov
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mean_perceptual_error = $meanError
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changed_pixel_ratio = $changedRatio
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candidate_directory = $candidateOutput
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comparison_report = $comparisonReport
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})
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}
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}
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$rankedCandidates = if ($PlanOnly) {
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@($ranking)
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} else {
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@($ranking | Sort-Object mean_perceptual_error, changed_pixel_ratio)
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}
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$rankingPath = Join-Path $absoluteOutput "ranking.json"
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$rankingDocument = [ordered]@{
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schema_version = 1
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checkpoint = $Checkpoint
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reference_directory = [IO.Path]::GetFullPath($ReferenceDirectory)
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viewport = @($ViewportWidth, $ViewportHeight)
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wait_seconds = $WaitSeconds
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measure_seconds = $MeasureSeconds
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candidates = $rankedCandidates
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}
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New-Item -ItemType Directory -Force -Path $absoluteOutput | Out-Null
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$rankingDocument | ConvertTo-Json -Depth 6 | Set-Content -Encoding UTF8 -LiteralPath $rankingPath
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$rankedCandidates | Format-Table yaw_offset_degrees, pitch_offset_degrees, mean_perceptual_error, changed_pixel_ratio
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$completionKind = if ($PlanOnly) { "plan" } else { "ranking" }
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Write-Output "Camera pose sweep $completionKind completed: $rankingPath"
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} finally {
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Pop-Location
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}
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