Crops a tile out of Starbound's tile frames. Requires Newtonsoft.JSON

Main.cs

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SBMaterialFramesToButton
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Material folder:");
            string matPath = Console.ReadLine();
            Console.WriteLine("Output folder:");
            string outPath = Console.ReadLine();
            if (Directory.GetFiles(outPath).Length > 0)
            {
                Console.WriteLine("Output folder must be empty...");
                Console.ReadKey(true);
                return;
            }

            foreach (string matFile in Directory.GetFiles(matPath).Where(p => p.EndsWith(".material")))
            {
                JObject jobj = JObject.Parse(File.ReadAllText(matFile));
                string frameFile = Path.Combine(matPath, jobj["renderParameters"]["texture"].Value<string>());

                Bitmap matFrames = new Bitmap(frameFile);
                Bitmap sub = new Bitmap(16, 16);

                using (Graphics g = Graphics.FromImage(sub))
                {
                    switch (jobj["renderTemplate"].Value<string>())
                    {
                        case "/tiles/girdertemplate.config":
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(0,0,10,10), matFrames.PixelFormat), new Rectangle(3, 3, 10, 10));
                            break;
                        case "/tiles/pipetemplate.config":
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(20, 20, 8, 8), matFrames.PixelFormat), new Rectangle(4, 4, 8, 8)); // center
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(48, 0, 16, 4), matFrames.PixelFormat), new Rectangle(0, 0, 16, 4)); // top
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(48, 12, 16, 4), matFrames.PixelFormat), new Rectangle(0, 12, 16, 4)); // bottom
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(56, 16, 4, 16), matFrames.PixelFormat), new Rectangle(0, 0, 4, 16)); // left
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(52, 16, 4, 16), matFrames.PixelFormat), new Rectangle(12, 0, 4, 16)); // right
                            break;
                        case "/tiles/classicmaterialtemplate.config":
                        case "/tiles/slopedtemplate.config":
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(0, 8, 16, 16), matFrames.PixelFormat), new Rectangle(0, 0, 16, 16));
                            break;
                        case "/tiles/rowtemplate.config":
                        case "/tiles/columntemplate.config":
                        case "/tiles/screwtemplate.config":
                            g.DrawImageUnscaledAndClipped(matFrames.Clone(new Rectangle(0, 36, 12, 12), matFrames.PixelFormat), new Rectangle(2, 2, 12, 12));
                            break;
                    }
                }
                
                sub.Save(Path.Combine(outPath, Path.GetFileName(frameFile)), System.Drawing.Imaging.ImageFormat.Png);
            }
        }
    }
}