add link script for powershell

Author: getchoo

link.ps1

@@ -0,0 +1,56 @@
+<#
+	.SYNOPSIS
+		symlink files from a retail Team Fortress 2 build to a patched build
+#>
+
+param (
+	[Parameter(Mandatory=$true)]
+	[string]$TF2Dir
+)
+
+$VerbosePreference = "Continue"
+
+
+function Make-Symlink {
+	param (
+		[String]$Path
+	)
+
+	$linkpath = "./game/$Path"
+	$targetpath = "$TF2Dir/$Path"
+
+	Write-Verbose -Message "Linking $linkpath to $targetpath"
+	New-Item -ItemType SymbolicLink -Path $linkpath -Target $targetpath
+}
+
+function Glob-Symlink {
+	param (
+		[String]$Path,
+		[String]$Glob
+	)
+
+	Get-ChildItem -Path "$TF2Dir\$Path\*" -Include $Glob | % { $_.Name } | % { Make-Symlink -Path $Path/$_ }
+}
+
+
+Write-Verbose -Message "Copying ./game_clean/copy/ to ./game/"
+Copy-Item -Recurse -Force ./game_clean/copy/* ./game/
+
+Write-Verbose -Message "Creating ./game/tf/materials"
+New-Item -Type Directory -Path ./game/tf/materials
+
+$targets = "hl2","platform"
+$targets += ,"maps","media","resource","scripts" | % { "tf/$_" }
+$targets += ,"models","vgui" | % { "tf/materials/$_" }
+ForEach ($t in $targets) {
+	Make-Symlink -Path $t
+}
+
+Glob-Symlink -Glob '' -Path 'bin'
+ForEach ($g in '*.vpk','*.cache') { Glob-Symlink -Glob $g -Path 'tf' }
+
+Write-Verbose -Message "Copying $TF2Dir/tf/gamestate.txt to ./game/tf"
+Copy-Item -Force $TF2Dir/tf/gamestate.txt ./game/tf/
+
+Write-Verbose -Message "Copying $TF2Dir/tf/cfg to ./game/tf/cfg"
+Copy-Item -Recurse -Force $TF2Dir/tf/cfg/ ./game/tf/