Uninstall-IntegerScaling.ps1

# Functions
function Stop-Script {
  [cmdletbinding()]
  param([string]$Message = "")

  Write-Warning $Message
  Read-Host "Execution have terminated! Press Enter to close the window"
  exit
}

Write-Host "Preparing patches..."

# Patches to apply
$Patches = @(
  [PSCustomObject]@{
    File = '.\assets\js\game.compiled.js'
    Changes = @(
      [PSCustomObject]@{
        Original = '{ORIGINAL:0,SCALE_X2:1,FIT:2,STRETCH:3};'
        Patched  = '{ORIGINAL:0,SCALE_X2:1,FIT:2,STRETCH:3,INTEGER:4};'
      }
      [PSCustomObject]@{
        Original = 'sc.PIXEL_SIZE={ONE:0,TWO:1,THREE:2,FOUR:3};'
        Patched  = 'sc.PIXEL_SIZE={ONE:0,TWO:1,THREE:2,FOUR:3,FIVE:4,SIX:5};'
      }
      [PSCustomObject]@{
        Original = 'else if(a=="pixel-size"){window.IG_GAME_SCALE=(this.values[a]||0)+1;localStorage.setItem("options.scale",window.IG_GAME_SCALE)}'
        Patched  = 'else if(a=="pixel-size"){window.IG_GAME_SCALE=(this.values[a]||0)+1;localStorage.setItem("options.scale",window.IG_GAME_SCALE);this._setDisplaySize();}'
      }
      [PSCustomObject]@{
        Original = 'case sc.DISPLAY_TYPE.STRETCH:k=true;a=b;b=i;j=true;break;default:a=c;b=d'
        Patched  = 'case sc.DISPLAY_TYPE.STRETCH:k=true;a=b;b=i;j=true;break;case sc.DISPLAY_TYPE.INTEGER:j=true;if(b>c*window.IG_GAME_SCALE&&i>d*window.IG_GAME_SCALE){a=c*window.IG_GAME_SCALE;b=d*window.IG_GAME_SCALE}else if(Math.floor(b/c)==0||Math.floor(i/d)==0){a=c;b=d}else{if(b/c<i/d){a=c*Math.floor(b/c);b=d*Math.floor(b/c)}else{a=c*Math.floor(i/d);b=d*Math.floor(i/d)}}break;default:a=c;b=d'
      }
    )
    Content = $null
  }
  [PSCustomObject]@{
    File = '.\assets\data\lang\sc\gui.en_US.json'
    Changes = @(
      [PSCustomObject]@{
        Original = '"display-type":{"name":"Display Type","group":["Original","Double","Fit","Stretch"]'
        Patched  = '"display-type":{"name":"Display Type","group":["Original","Double","Fit","Stretch","Integer"]'
      },
      [PSCustomObject]@{
        Original = '"pixel-size":{"name":"Pixel Size","group":["1","2","3","4"]'
        Patched  = '"pixel-size":{"name":"Pixel Size","group":["1","2","3","4","5","6"]'
      }
    )
    Content = $null
  }
)

Write-Host "Verifying files..."

# Pre-patch checks...
ForEach ($Patch in $Patches)
{
  If((Test-Path -Path $Patch.File) -eq $false)
  {
    Stop-Script "One or more of the required files were not found. Verify the script is being run in the game folder."
  } else {
    
    Write-Host "Reading file contents..."
    $Patch.Content = Get-Content -Path $Patch.File -Raw

    if($Patch.Content)
    {
      ForEach ($Change in $Patch.Changes)
      {
        $MatchesFound = ($Patch.Content -split $Change.Patched, 0, "simplematch" | Measure-Object | Select-Object -Exp Count) - 1
        if($MatchesFound -ne 1)
        {
          Stop-Script "Expected 1 match but found $MatchesFound, in file '$($Patch.File)', for line:
          $($Change.Patched)" 
        }
      }
    } else {
      Stop-Script "The file was empty."
    }
  }
}

# Everything looks fine, let's patch the files!
ForEach ($Patch in $Patches)
{
  Write-Host "Applying patches to " $Patch.File "..."

  ForEach ($Change in $Patch.Changes)
  {
    $Patch.Content = $Patch.Content -replace [regex]::escape($Change.Patched), $Change.Original
  }
  
  $Patch.Content | Set-Content -Path $Patch.File
}

Write-Host "Patching is complete. Press Enter to exit the script."
Read-Host