Offload project loading, add loading bar modal (#31)

src/SerialLoops.Lib/Project.cs

@@ -5,6 +5,7 @@
 using HaruhiChokuretsuLib.Util;
 using NAudio.MediaFoundation;
 using SerialLoops.Lib.Items;
+using SerialLoops.Lib.Util;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -59,15 +60,26 @@ public Project(string name, string langCode, Config config, ILogger log)
             }
         }
 
-        public void LoadArchives(ILogger log)
+        public void LoadArchives(ILogger log, IProgressTracker tracker)
         {
+            tracker.Focus("dat.bin", 3);
             Dat = ArchiveFile<DataFile>.FromFile(Path.Combine(IterativeDirectory, "original", "archives", "dat.bin"), log);
+            tracker.Loaded++;
+
+            tracker.CurrentlyLoading = "grp.bin";
             Grp = ArchiveFile<GraphicsFile>.FromFile(Path.Combine(IterativeDirectory, "original", "archives", "grp.bin"), log);
+            tracker.Loaded++;
+
+            tracker.CurrentlyLoading = "evt.bin";
             Evt = ArchiveFile<EventFile>.FromFile(Path.Combine(IterativeDirectory, "original", "archives", "evt.bin"), log);
+            tracker.Loaded++;
 
+            tracker.Focus("Extras", 1);
             ExtraFile extras = Dat.Files.First(f => f.Name == "EXTRAS").CastTo<ExtraFile>();
+            tracker.Loaded++;
 
             BgTableFile bgTable = Dat.Files.First(f => f.Name == "BGTBLS").CastTo<BgTableFile>();
+            tracker.Focus("Backgrounds", bgTable.BgTableEntries.Count);
             for (int i = 0; i < bgTable.BgTableEntries.Count; i++)
             {
                 BgTableEntry entry = bgTable.BgTableEntries[i];
@@ -82,55 +94,74 @@ public void LoadArchives(ILogger log)
                     }
                     Items.Add(new BackgroundItem(name, i, entry, Evt, Grp, extras));
                 }
+                tracker.Loaded++;
             }
 
             string[] bgmFiles = Directory.GetFiles(Path.Combine(IterativeDirectory, "original", "bgm")).OrderBy(s => s).ToArray();
+            tracker.Focus("BGM Tracks", bgmFiles.Length);
             for (int i = 0; i < bgmFiles.Length; i++)
             {
                 Items.Add(new BackgroundMusicItem(bgmFiles[i], i, extras, this));
+                tracker.Loaded++;
             }
 
             string[] voiceFiles = Directory.GetFiles(Path.Combine(IterativeDirectory, "original", "vce")).OrderBy(s => s).ToArray();
+            tracker.Focus("Voiced Lines", voiceFiles.Length);
             for (int i = 0; i < voiceFiles.Length; i++)
             {
                 Items.Add(new VoicedLineItem(voiceFiles[i], i + 1, this));
+                tracker.Loaded++;
             }
 
+            tracker.Focus("Character Sprites", 1);
             CharacterDataFile chrdata = Dat.Files.First(d => d.Name == "CHRDATAS").CastTo<CharacterDataFile>();
             Items.AddRange(chrdata.Sprites.Where(s => (int)s.Character > 0).Select(s => new CharacterSpriteItem(s, chrdata, this)));
+            tracker.Loaded++;
 
+            tracker.Focus("Chibis", 1);
             Items.AddRange(Dat.Files.First(d => d.Name == "CHIBIS").CastTo<ChibiFile>()
                 .Chibis.Select(c => new ChibiItem(c, this)));
+            tracker.Loaded++;
 
+            tracker.Focus("Event Files", 1);
             Items.AddRange(Evt.Files
                 .Where(e => !new string[] { "CHESSS", "EVTTBLS", "TOPICS", "SCENARIOS", "TUTORIALS", "VOICEMAPS" }.Contains(e.Name))
                 .Select(e => new ScriptItem(e)));
+            tracker.Loaded++;
 
+            tracker.Focus("Maps", 1);
             QMapFile qmap = Dat.Files.First(f => f.Name == "QMAPS").CastTo<QMapFile>();
             Items.AddRange(Dat.Files
                 .Where(d => qmap.QMaps.Select(q => q.Name.Replace(".", "")).Contains(d.Name))
                 .Select(m => new MapItem(m.CastTo<MapFile>(), qmap.QMaps.FindIndex(q => q.Name.Replace(".", "") == m.Name))));
+            tracker.Loaded++;
 
+            tracker.Focus("Puzzles", 1);
             Items.AddRange(Dat.Files
                 .Where(d => d.Name.StartsWith("SLG"))
                 .Select(d => new PuzzleItem(d.CastTo<PuzzleFile>(), this)));
+            tracker.Loaded++;
 
             // Scenario item must be created after script and puzzle items are constructed
+            tracker.Focus("Scenario", 1);
             EventFile scenarioFile = Evt.Files.First(f => f.Name == "SCENARIOS");
             scenarioFile.InitializeScenarioFile();
             Items.Add(new ScenarioItem(scenarioFile.Scenario, this));
+            tracker.Loaded++;
         }
 
         public ItemDescription FindItem(string name)
         {
             return Items.FirstOrDefault(i => i.Name == name);
         }
 
-        public static Project OpenProject(string projFile, Config config, ILogger log)
+        public static Project OpenProject(string projFile, Config config, ILogger log, IProgressTracker tracker)
         {
             log.Log($"Loading project from '{projFile}'...");
+            tracker.Focus($"{Path.GetFileNameWithoutExtension(projFile)} Project Data", 1);
             Project project = JsonSerializer.Deserialize<Project>(File.ReadAllText(projFile));
-            project.LoadArchives(log);
+            tracker.Loaded++;
+            project.LoadArchives(log, tracker);
             return project;
         }
     }

src/SerialLoops.Lib/Util/IProgressTracker.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace SerialLoops.Lib.Util
+{
+    public interface IProgressTracker
+    {
+        public int Loaded { get; set; } 
+        public int Total { get; set; }
+        public string CurrentlyLoading { get; set; }
+
+        public void Focus(string item, int count)
+        {
+            Total += count;
+            CurrentlyLoading = item;
+        }
+
+    }
+}

src/SerialLoops/LoadingDialog.cs

@@ -0,0 +1,49 @@
+using Eto.Drawing;
+using Eto.Forms;
+using SerialLoops.Controls;
+using SerialLoops.Lib.Util;
+using SerialLoops.Utility;
+using System;
+using System.Threading.Tasks;
+
+namespace SerialLoops
+{
+    public class LoadingDialog : Dialog
+    {
+
+        private readonly Action _loadingTask;
+        private readonly LoopyProgressTracker _tracker;
+        private readonly Action _onComplete;
+
+        public LoadingDialog(Action loadingTask, Action onComplete, LoopyProgressTracker tracker)
+        {
+            _loadingTask = loadingTask;
+            _tracker = tracker;
+            _onComplete = onComplete;
+
+            Title = "Loading";
+            ShowInTaskbar = false;
+            Closeable = false;
+            Resizable = false;
+            MinimumSize = new Size(300, 100);
+            Content = tracker;
+
+            ShowModal();
+        }
+
+        protected async override void OnShown(EventArgs e)
+        {
+            base.OnShown(e);
+            await Task.Run(() =>
+            {
+                _loadingTask();
+                Application.Instance.Invoke(() =>
+                {
+                    _onComplete();
+                });
+            });
+            Close();
+        }
+
+    }
+}

src/SerialLoops/MainForm.eto.cs

@@ -5,12 +5,14 @@
 using SerialLoops.Editors;
 using SerialLoops.Lib;
 using SerialLoops.Lib.Items;
+using SerialLoops.Lib.Util;
 using SerialLoops.Utility;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace SerialLoops
 {
@@ -162,20 +164,28 @@ private void OpenProject_Executed(object sender, EventArgs e)
             openFileDialog.Filters.Add(new("Serial Loops Project", $".{Project.PROJECT_FORMAT}"));
             if (openFileDialog.ShowAndReportIfFileSelected(this))
             {
-                OpenProject = Project.OpenProject(openFileDialog.FileName, CurrentConfig, _log);
-                OpenProjectView(OpenProject);
+                OpenProjectFromPath(openFileDialog.FileName);
             }
         }
 
         private void OpenRecentProject_Executed(object sender, EventArgs e)
         {
-            Command command = (Command)sender;
-            OpenProject = Project.OpenProject(command.ToolTip, CurrentConfig, _log);
-            OpenProjectView(OpenProject);
+            OpenProjectFromPath(((Command)sender).ToolTip);
+        }
+
+        private void OpenProjectFromPath(string path)
+        {
+            LoopyProgressTracker tracker = new ();
+            new LoadingDialog(() => OpenProject = Project.OpenProject(path, CurrentConfig, _log, tracker), () => OpenProjectView(OpenProject), tracker);
         }
 
         private void SaveProject_Executed(object sender, EventArgs e)
         {
+            if (OpenProject == null)
+            {
+                return;
+            }
+
             IEnumerable<ItemDescription> unsavedItems = OpenProject.Items.Where(i => i.UnsavedChanges);
             foreach (ItemDescription item in unsavedItems)
             {

src/SerialLoops/ProjectCreationDialog.eto.cs

@@ -171,7 +171,7 @@ private void CreateCommand_Executed(object sender, EventArgs e)
                     }
                 }
                 IO.OpenRom(NewProject, _romPath.Text, includeFontHack);
-                NewProject.LoadArchives(Log);
+                NewProject.LoadArchives(Log, new LoopyProgressTracker());
                 Close();
             }
         }

src/SerialLoops/Utility/LoopyProgressTracker.cs

@@ -0,0 +1,58 @@
+using Eto.Forms;
+using SerialLoops.Lib.Util;
+using System;
+
+namespace SerialLoops.Utility
+{
+    public class LoopyProgressTracker : StackLayout, IProgressTracker
+    {
+
+        private readonly ProgressBar _loadingProgress;
+        private readonly Label _loadingItem;
+
+        public LoopyProgressTracker()
+        {
+            _loadingProgress = new() { Width = 390 };
+            _loadingItem = new();
+
+            Padding = 10;
+            Spacing = 10;
+            HorizontalContentAlignment = HorizontalAlignment.Center;
+            Items.Add(_loadingItem);
+            Items.Add(_loadingProgress);
+        }
+
+
+        private int _current;
+        public int Loaded { 
+            get => _current;
+            set
+            {
+                _current = value;
+                Application.Instance.Invoke(() => _loadingProgress.Value = _current);
+            }
+        }
+
+        private int _total;
+        public int Total
+        {
+            get => _total;
+            set
+            {
+                _total = value;
+                Application.Instance.Invoke(() => _loadingProgress.MaxValue = _total);
+            }
+        }
+
+        private string _currentlyLoading;
+        public string CurrentlyLoading {
+            get => _currentlyLoading;
+            set
+            {
+                _currentlyLoading = $"Loading {value}...";
+                Application.Instance.Invoke(() => _loadingItem.Text = _currentlyLoading);
+            }
+        }
+
+    }
+}