gistfile1.boo

namespace WindowsGame2

import System.IO
import Microsoft.Xna.Framework

public class Extractor(Game):
	private graphics as GraphicsDeviceManager
	private basePath as string
	private outPath  as string
	
	def constructor(basePath as string, outPath as string):
		graphics = GraphicsDeviceManager(self)
		self.basePath = basePath
		self.outPath  = outPath
		super.Content.RootDirectory = basePath
	
	override def LoadContent():
		for file as string in Directory.GetFiles(Path.Combine(basePath, 'Images')):
			print('Converting and saving ' + file)
			
			if not Directory.Exists(outPath):
				Directory.CreateDirectory(outPath)
			
			filePath = Path.Combine(outPath, FileInfo(file).Name.Replace('xnb', 'png'))
			if File.Exists(filePath):
				File.Delete(filePath)
			OFS = FileStream(filePath, FileMode.CreateNew, FileAccess.Write)
			
			sourceImage = super.Content.Load[of Graphics.Texture2D](file.Replace('.xnb', ''))
			
			sourceImage.SaveAsPng(OFS, sourceImage.Width, sourceImage.Height)
			OFS.Flush()
			OFS.Close()
		
		System.Windows.Forms.MessageBox.Show('Done!')
		self.Exit()

def Main(args as (string)):
	if args.Length > 1:
		outPath = args[1]
	else:
		outPath = Path.Combine(Directory.GetCurrentDirectory(), "Terraria Sprite Dump")
	extractor = Extractor(args[0], outPath)
	extractor.Run()

gistfile2.cs

public class ExportGame : Game
{
    // Fields
    private GraphicsDeviceManager gdm;
    private string[] name;
    private Texture2D[] texture;

    // Methods
    public ExportGame(string name)
    {
        if (name != "")
        {
            this.name = new string[] { name };
        }
        else
        {
            this.name = Directory.GetFiles(".", "*.xnb");
            for (int i = 0; i < this.name.Length; i++)
            {
                this.name[i] = this.name[i].Split(new string[] { ".xnb" }, StringSplitOptions.RemoveEmptyEntries)[0];
            }
        }
        this.gdm = new GraphicsDeviceManager(this);
    }

    protected override void Draw(GameTime gameTime)
    {
        for (int i = 0; i < this.texture.Length; i++)
        {
            using (Stream stream = File.Open(this.name[i] + ".png", FileMode.Create))
            {
                this.texture[i].SaveAsPng(stream, this.texture[i].get_Width(), this.texture[i].get_Height());
            }
        }
        base.Draw(gameTime);
        base.Exit();
    }

    protected override void LoadContent()
    {
        this.texture = new Texture2D[this.name.Length];
        for (int i = 0; i < this.texture.Length; i++)
        {
            this.texture[i] = base.get_Content().Load<Texture2D>(this.name[i]);
        }
        base.LoadContent();
    }
}