basic incremental build

This commit is contained in:
2026-07-23 13:00:01 -04:00
parent b17960b0e4
commit 315f3d5163
5 changed files with 424 additions and 146 deletions
+163
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# misc/build_helper.ps1 - Unified Build Utility Script
param(
[string]$Action,
[string]$CFG,
[string]$TargetJuliet = "0",
[string]$TargetGame = "0",
[string]$TargetRomeo = "0",
[string]$TargetShader = "0"
)
if (-not (Test-Path "Intermediate")) {
New-Item -ItemType Directory -Path "Intermediate" | Out-Null
}
switch ($Action) {
"StartBuild" {
[System.IO.File]::WriteAllText("Intermediate\build_start.tmp", [System.DateTime]::Now.Ticks.ToString())
}
"FinishBuild" {
$elapsedStr = "00:00:00.000"
if (Test-Path "Intermediate\build_start.tmp") {
$startStr = Get-Content "Intermediate\build_start.tmp" -ErrorAction SilentlyContinue
if ($startStr) {
$startTicks = [long]$startStr
$elapsed = New-Object System.TimeSpan ([System.DateTime]::Now.Ticks - $startTicks)
$elapsedStr = "{0:D2}:{1:D2}:{2:D2}.{3:D3}" -f $elapsed.Hours, $elapsed.Minutes, $elapsed.Seconds, $elapsed.Milliseconds
}
Remove-Item "Intermediate\build_start.tmp" -ErrorAction SilentlyContinue
}
Write-Host "Total Duration : $elapsedStr"
Write-Host "Output Binaries:"
if (Test-Path "Intermediate\built_outputs.tmp") {
$files = Get-Content "Intermediate\built_outputs.tmp" -ErrorAction SilentlyContinue | Where-Object { Test-Path $_ }
if ($files) {
foreach ($f in $files) {
$item = Get-Item $f
$size = "{0:N2} MB" -f ($item.Length / 1MB)
$relPath = $item.FullName.Replace((Get-Location).Path + "\", "")
Write-Host " - $relPath ($size)"
}
} else {
Write-Host " - None built in this session (all requested targets up-to-date)"
}
Remove-Item "Intermediate\built_outputs.tmp" -ErrorAction SilentlyContinue
} else {
Write-Host " - None built in this session (all requested targets up-to-date)"
}
}
"StartUnity" {
# Compute SHA256 hashes of all existing Unity files before FASTBuild runs
$hashes = @{}
Get-ChildItem -Path "Intermediate" -Recurse -Filter "*_Unity*.cpp" -ErrorAction SilentlyContinue | ForEach-Object {
$hash = (Get-FileHash -Path $_.FullName -Algorithm SHA256).Hash
$hashes[$_.FullName] = $hash
}
$hashes | ConvertTo-Json | Set-Content -Path "Intermediate\unity_hashes.tmp" -ErrorAction SilentlyContinue
}
"EvaluateConfig" {
# 1. Strip '#pragma message' from generated Unity files if present
Get-ChildItem -Path "Intermediate" -Recurse -Filter "*_Unity*.cpp" -ErrorAction SilentlyContinue | ForEach-Object {
$filePath = $_.FullName
$lines = [System.IO.File]::ReadAllLines($filePath)
$filtered = $lines | Where-Object { $_ -notlike '*#pragma message*' }
if ($lines.Count -ne $filtered.Count) {
[System.IO.File]::WriteAllLines($filePath, $filtered)
}
}
# 2. Compare Unity hashes to detect Unity structure changes
$oldHashes = @{}
if (Test-Path "Intermediate\unity_hashes.tmp") {
try {
$json = Get-Content "Intermediate\unity_hashes.tmp" -Raw -ErrorAction SilentlyContinue
if ($json) {
$obj = $json | ConvertFrom-Json
foreach ($prop in $obj.PSObject.Properties) {
$oldHashes[$prop.Name] = $prop.Value
}
}
} catch {}
Remove-Item "Intermediate\unity_hashes.tmp" -ErrorAction SilentlyContinue
}
$unityChanged = "0"
$currentFiles = Get-ChildItem -Path "Intermediate" -Recurse -Filter "*_Unity*.cpp" -ErrorAction SilentlyContinue
if (-not $currentFiles) {
$unityChanged = "1"
} else {
foreach ($file in $currentFiles) {
$path = $file.FullName
$newHash = (Get-FileHash -Path $path -Algorithm SHA256).Hash
if (-not $oldHashes.ContainsKey($path) -or $oldHashes[$path] -ne $newHash) {
$unityChanged = "1"
break
}
}
}
# Helper function to check if target binary/obj is missing or older than source files in dirs
function Test-NeedRebuild([string]$targetFile, [string[]]$dirs) {
if (-not (Test-Path $targetFile)) { return "1" }
if ($unityChanged -eq "1") { return "1" }
$targetTime = (Get-Item $targetFile).LastWriteTime
foreach ($d in $dirs) {
if (Test-Path $d) {
$newer = Get-ChildItem -Path $d -Recurse -File -ErrorAction SilentlyContinue | Where-Object {
($_.Extension -eq '.cpp' -or $_.Extension -eq '.h' -or $_.Extension -eq '.hpp' -or $_.Extension -eq '.inl') -and $_.LastWriteTime -gt $targetTime
}
if ($newer) { return "1" }
}
}
return "0"
}
$julietObj = "Intermediate\x64-$CFG\Juliet_Unity1.obj"
$imguiObj = "Intermediate\x64-$CFG\ImGui_Unity1.obj"
$gameDll = "bin\x64-$CFG\Game.dll"
$julietApp = "bin\x64-$CFG\JulietApp.exe"
$romeoExe = "bin\x64-$CFG\Romeo.exe"
$shaderExe = "bin\x64-$CFG\JulietShaderCompiler.exe"
$julietNeed = Test-NeedRebuild $julietObj @("Juliet")
$imguiNeed = Test-NeedRebuild $imguiObj @("External/imgui")
$gameNeed = "0"
if ($TargetJuliet -eq "1" -or $TargetGame -eq "1") {
$gameNeed = Test-NeedRebuild $gameDll @("Juliet", "Game", "External/imgui")
if ($julietNeed -eq "1") { $gameNeed = "1" }
}
$julietAppNeed = "0"
if ($TargetJuliet -eq "1") {
$julietAppNeed = Test-NeedRebuild $julietApp @("JulietApp", "Game", "Juliet", "External/imgui")
if ($gameNeed -eq "1") { $julietAppNeed = "1" }
}
$romeoNeed = "0"
if ($TargetRomeo -eq "1") {
$romeoNeed = Test-NeedRebuild $romeoExe @("Romeo", "Juliet", "External/imgui")
if ($julietNeed -eq "1") { $romeoNeed = "1" }
}
$shaderNeed = "0"
if ($TargetShader -eq "1" -and (Test-Path "Intermediate\JulietShaderCompiler\*.cpp")) {
$shaderNeed = Test-NeedRebuild $shaderExe @("JulietShaderCompiler", "Juliet", "External/imgui")
if ($julietNeed -eq "1") { $shaderNeed = "1" }
}
$lines = @(
"FASTBUILD_UNITY_CHANGED=$unityChanged",
"JULIET_NEED_COMPILE=$julietNeed",
"IMGUI_NEED_COMPILE=$imguiNeed",
"GAME_NEED_COMPILE=$gameNeed",
"JULIETAPP_NEED_COMPILE=$julietAppNeed",
"ROMEO_NEED_COMPILE=$romeoNeed",
"SHADER_NEED_COMPILE=$shaderNeed"
)
$lines | Set-Content -Path "Intermediate\config_status.tmp"
}
}