add randsettings utility

for saving settings across sessions

pk3DS/Main.cs

@@ -20,6 +20,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading;
 using System.Windows.Forms;
 
@@ -54,6 +55,9 @@ public Main()
             string[] args = Environment.GetCommandLineArgs();
             string filename = args.Length > 0 ? Path.GetFileNameWithoutExtension(args[0])?.ToLower() : "";
             skipBoth = filename.IndexOf("3DSkip", StringComparison.Ordinal) >= 0;
+
+            if (File.Exists(RandSettings.FileName))
+                RandSettings.Load(File.ReadAllLines(RandSettings.FileName));
         }
         internal static GameConfig Config;
         public static string RomFSPath;
@@ -128,6 +132,12 @@ private void formClosing(object sender, FormClosingEventArgs e)
             string[][] files = Config.GameTextStrings;
             g.Files = files.Select(x => TextFile.getBytes(Config, x)).ToArray();
             g.Save();
+
+            try
+            {
+                File.WriteAllLines(RandSettings.FileName, RandSettings.Save(), Encoding.Unicode);
+            }
+            catch { }
         }
 
         private void openQuick(string path)

pk3DS/Tools/RandSettings.cs

@@ -0,0 +1,135 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace pk3DS
+{
+    public static class RandSettings
+    {
+        public const string FileName = "randsettings.txt";
+        private static readonly Dictionary<string, List<NameValue>> Settings = new Dictionary<string, List<NameValue>>();
+        public static void Load(string[] lines)
+        {
+            Settings.Clear();
+            int ctr = 0;
+            while (ctr < lines.Length)
+            {
+                string formname = lines[0];
+                int end = Array.FindIndex(lines, ctr, string.IsNullOrWhiteSpace);
+                var list = GetList(lines, ctr + 1, end - 1);
+                Settings.Add(formname, list);
+                ctr = end + 1;
+            }
+        }
+        public static string[] Save()
+        {
+            var result = new List<string>();
+            foreach (var list in Settings)
+            {
+                result.Add(list.Key);
+                result.AddRange(list.Value.Select(val => val.Write()));
+                result.Add(string.Empty);
+            }
+            return result.ToArray();
+        }
+
+        public static void LoadFormSettings(Form form, Control.ControlCollection controls)
+        {
+            if (!Settings.TryGetValue(form.Name, out var list))
+                return;
+
+            foreach (Control ctrl in controls)
+            {
+                LoadFormSettings(form, ctrl.Controls);
+                var pair = list.FirstOrDefault(z => ctrl.Name == z.Name);
+                if (pair == null)
+                    continue;
+
+                TryGetValue(ctrl, pair.Value);
+            }
+        }
+        public static void SaveFormSettings(Form form, Control.ControlCollection controls)
+        {
+            if (!Settings.TryGetValue(form.Name, out var list))
+                return;
+
+            foreach (Control ctrl in controls)
+            {
+                SaveFormSettings(form, ctrl.Controls);
+                var pair = list.FirstOrDefault(z => ctrl.Name == z.Name) ?? new NameValue(ctrl.Name);
+                TrySetValue(ctrl, pair);
+            }
+        }
+        private static void TryGetValue(Control ctrl, string s)
+        {
+            switch (ctrl)
+            {
+                case NumericUpDown nud:
+                    if (decimal.TryParse(s, out var n))
+                        nud.Value = n;
+                    break;
+                case ComboBox cb:
+                    if (int.TryParse(s, out var c))
+                        cb.SelectedIndex = c;
+                    break;
+                case CheckBox ck:
+                    if (bool.TryParse(s, out var b))
+                        ck.Checked = b;
+                    break;
+                default:
+                    System.Diagnostics.Debug.WriteLine($"{ctrl.Name}: unknown control type.");
+                    break;
+            }
+        }
+        private static void TrySetValue(Control ctrl, NameValue v)
+        {
+            switch (ctrl)
+            {
+                case NumericUpDown nud:
+                    v.Value = nud.Value.ToString(CultureInfo.InvariantCulture);
+                    break;
+                case ComboBox cb:
+                    v.Value = cb.SelectedIndex.ToString();
+                    break;
+                case CheckBox ck:
+                    v.Value = ck.Checked.ToString();
+                    break;
+                default:
+                    System.Diagnostics.Debug.WriteLine($"{ctrl.Name}: unknown control type.");
+                    break;
+            }
+        }
+
+        private static List<NameValue> GetList(IList<string> lines, int start, int end)
+        {
+            var list = new List<NameValue>();
+            for (int i = start; i <= end; i++)
+            {
+                var val = new NameValue(lines[i]);
+                if (val.Name != null)
+                    list.Add(val);
+            }
+            return list;
+        }
+
+        private class NameValue
+        {
+            public readonly string Name;
+            public string Value;
+
+            private const char Separator = '\t';
+            public string Write() => Name + Separator + Value;
+
+            public NameValue(string s)
+            {
+                var split = s.Split(Separator);
+                Name = split[0];
+                if (split.Length < 2)
+                    return;
+                Value = split[1];
+            }
+        }
+    }
+}