Implement a proper save system

1 files changed, 87 insertions, 0 deletions

diff --git a/TimeHACK.Engine/SaveSystem.cs b/TimeHACK.Engine/SaveSystem.cs
new file mode 100644
index 0000000..c6e19a2
--- /dev/null
+++ b/TimeHACK.Engine/SaveSystem.cs
@@ -0,0 +1,87 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+namespace TimeHACK.Engine
+{
+    public static class SaveSystem
+    {
+        public static Save CurrentSave { get; private set; }
+
+        public static string GameDirectory
+        {
+            get
+            {
+                return Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "TimeHACK");
+            }
+        }
+
+        public static string ProfileDirectory
+        {
+            get
+            {
+                return Path.Combine(GameDirectory, "Profiles");
+            }
+        }
+
+        public static bool LoadSave()
+        {
+            if(File.Exists(Path.Combine(ProfileDirectory, "user.save")))
+            {
+                //Read base64 string from file
+                string b64 = File.ReadAllText(Path.Combine(ProfileDirectory, "user.save"));
+                //Get Unicode byte array
+                byte[] bytes = Convert.FromBase64String(b64);
+                //Decode the Unicode
+                string json = Encoding.UTF8.GetString(bytes);
+                //Deserialize save object.
+                CurrentSave = JsonConvert.DeserializeObject<Save>(json);
+                return true;
+            }
+            else
+            {
+                NewGame();
+                return false;
+            }
+        }
+
+        public static void NewGame()
+        {
+            //TODO: User must set a username....somehow
+            if (!Directory.Exists(GameDirectory))
+                Directory.CreateDirectory(GameDirectory);
+
+            if (!Directory.Exists(ProfileDirectory))
+                Directory.CreateDirectory(ProfileDirectory);
+
+            var save = new Save();
+            save.ExperiencedStories = new List<string>();
+            save.InstalledPrograms = new Dictionary<string, bool>();
+            CurrentSave = save;
+            SaveGame();
+        }
+
+        public static void SaveGame()
+        {
+            //Serialize the save to JSON.
+            string json = JsonConvert.SerializeObject(CurrentSave);
+            //Get JSON bytes (Unicode format).
+            var bytes = Encoding.UTF8.GetBytes(json);
+            //Encode the array into Base64.
+            string b64 = Convert.ToBase64String(bytes);
+            //Write to disk.
+            File.WriteAllText(Path.Combine(ProfileDirectory, "user.save"), b64);
+        }
+    }
+
+    public class Save
+    {
+        public string Username { get; set; }
+        public Dictionary<string, bool> InstalledPrograms { get; set; }
+        public List<string> ExperiencedStories { get; set; }
+    }
+}