Add DecodeSchema tool

DecodeSchema/Program.cs

@@ -0,0 +1,43 @@
+using GameRes;
+using GameRes.Compression;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+namespace DecodeSchema {
+    internal class Program {
+        static void Main(string[] args) {
+            DecodeSchema decodeSchema = new DecodeSchema();
+            decodeSchema.decode();
+        }
+    }
+    internal class DecodeSchema {
+        public void decode() {
+            DeserializeGameData();
+        }
+        void DeserializeGameData() {
+            string scheme_file = Path.Combine(FormatCatalog.Instance.DataDirectory, "Formats.dat");
+            try {
+                using (var file = File.OpenRead(scheme_file)) {
+                    var version = FormatCatalog.Instance.GetSerializedSchemeVersion(file);
+                    using (var zs = new ZLibStream(file, CompressionMode.Decompress, true)) {
+                        var bin = new BinaryFormatter();
+                        var db = (SchemeDataBase)bin.Deserialize(zs);
+                        string json = JsonConvert.SerializeObject(db, Formatting.Indented,
+                            new JsonSerializerSettings {
+                                ReferenceLoopHandling = ReferenceLoopHandling.Ignore
+                            });
+                        File.WriteAllText("Formats.json", json, Encoding.UTF8);
+                    }
+                }
+            } catch (Exception X) {
+                Console.Error.WriteLine("Scheme deserialization failed: {0}", X.Message);
+            }
+        }
+    }
+}