Build tools to generate shaders

tools/buildshaders.ps1

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+# Define the paths
+$srcPath = "src"
+$buildPath = "build"
+
+# Create the build directory if it doesn't exist
+if (-Not (Test-Path $buildPath)) {
+    New-Item -ItemType Directory -Path $buildPath
+}
+
+# Copy .fs files from src to build and list each file processed
+Get-ChildItem -Path $srcPath -Filter *.fs | ForEach-Object {
+    Write-Output "Copying: $($_.FullName)"
+    Copy-Item -Path $_.FullName -Destination $buildPath
+}
+
+# Define the output header file
+$headerFile = "$buildPath\shaders.h"
+
+# Clear existing content in the header file or create it if it doesn't exist
+if (Test-Path $headerFile) {
+    Clear-Content $headerFile
+} else {
+    New-Item -ItemType File -Path $headerFile
+}
+# List of files in the specific order required
+$fileList = @(
+    "shader_base.fs",
+    "shader_prefix.fs",
+    "slicer_body.fs",
+    "selection.fs"
+)
+# Process and append binary data to the header file
+foreach ($fileName in $fileList) {
+    $filePath = Join-Path $buildPath $fileName
+    if (Test-Path $filePath) {
+        Write-Output "Processing: $filePath for header file"
+        $fileData = [System.IO.File]::ReadAllBytes($filePath)
+        $variableName = [System.IO.Path]::GetFileNameWithoutExtension($fileName)
+        $hexString = ($fileData | ForEach-Object { "0x{0:x2}" -f $_ }) -join ', '
+        $arrayDefinition = "unsigned char ${variableName}_fs[] = {$hexString};`n"
+        $lengthDefinition = "unsigned int ${variableName}_len = $($fileData.Length);`n"
+        
+        # Append formatted string to header file
+        Add-Content -Path $headerFile -Value $arrayDefinition
+        Add-Content -Path $headerFile -Value $lengthDefinition
+    } else {
+        Write-Output "Warning: File $filePath does not exist."
+    }
+}
+
+# Notify completion
+Write-Output "All specified files have been processed and appended to $headerFile."