Add guide link and backup revert option, rename file duplication method

Author: jvyden

Refresher/Accessors/EmulatorPatchAccessor.cs

@@ -25,6 +25,6 @@ private string GetPath(string path)
     public override Stream OpenWrite(string path) => File.OpenWrite(this.GetPath(path));
     public override void RemoveFile(string path) => File.Delete(this.GetPath(path));
 
-    public override void DuplicateFile(string inPath, string outPath)
+    public override void CopyFile(string inPath, string outPath)
         => File.Copy(this.GetPath(inPath), this.GetPath(outPath));
 }

Refresher/Accessors/PatchAccessor.cs

@@ -29,7 +29,7 @@ public void UploadFile(string inPath, string outPath)
         inStream.CopyTo(outStream);
     }
 
-    public virtual void DuplicateFile(string inPath, string outPath)
+    public virtual void CopyFile(string inPath, string outPath)
     {
         using Stream inStream = this.OpenRead(inPath);
         using Stream outStream = this.OpenWrite(outPath);

Refresher/UI/ConsolePatchForm.cs

@@ -25,6 +25,11 @@ protected override TableRow AddRemoteField()
     {
         return AddField("PS3's IP", out this._remoteAddress, new Button(this.PathChanged) { Text = "Connect" });
     }
+    
+    public override void Guide(object? sender, EventArgs e)
+    {
+        this.OpenUrl("https://littlebigrefresh.github.io/Docs/patching/ps3");
+    }
 
     protected override bool NeedsResign => true;
     protected override bool ShouldReplaceExecutable => true;

Refresher/UI/IntegratedPatchForm.cs

@@ -162,7 +162,7 @@ public override void CompletePatch(object? sender, EventArgs e) {
         {
             string backup = destination + ".ORIG";
             if (!this.Accessor.FileExists(backup))
-                this.Accessor.DuplicateFile(destination, backup);
+                this.Accessor.CopyFile(destination, backup);
 
             this.Accessor.RemoveFile(destination);
         }
@@ -178,6 +178,28 @@ public override void CompletePatch(object? sender, EventArgs e) {
         // Probably slow but prevents crash
         this.GameChanged(this, EventArgs.Empty);
     }
+    
+    public override IEnumerable<Button> AddExtraButtons()
+    {
+        if (this.ShouldReplaceExecutable)
+        {
+            yield return new Button(this.RevertToOriginalExecutable) { Text = "Revert EBOOT" };
+        }
+    }
+
+    private void RevertToOriginalExecutable(object? sender, EventArgs e)
+    {
+        if (this.Accessor == null) return;
+
+        if (!this.Accessor.FileExists(this._usrDir + "EBOOT.BIN.ORIG"))
+        {
+            MessageBox.Show("Cannot revert EBOOT since the original EBOOT does not exist", MessageBoxType.Error);
+            return;
+        }
+        
+        this.Accessor.CopyFile(this._usrDir + "EBOOT.BIN.ORIG", this._usrDir + "EBOOT.BIN");
+        MessageBox.Show("The EBOOT has successfully been reverted to it's original backup");
+    }
 
     protected abstract TableRow AddRemoteField();
     protected abstract bool NeedsResign { get; }

Refresher/UI/PatchForm.cs

@@ -40,14 +40,16 @@ protected void InitializePatcher()
         TableLayout formPanel = this.FormPanel;
         formPanel.Spacing = new Size(5, 5);
         formPanel.Padding = new Padding(0, 0, 0, 10);
+
+        StackLayout layout;
 
         this.Content = new Splitter
         {
             Orientation = Orientation.Vertical,
             Panel1 = formPanel,
 
             // ReSharper disable once RedundantExplicitParamsArrayCreation
-            Panel2 = new StackLayout(new StackLayoutItem[]
+            Panel2 = layout = new StackLayout(new StackLayoutItem[]
             {
                 this._messages,
                 new Button(this.Guide) { Text = "View guide" },
@@ -62,6 +64,9 @@ protected void InitializePatcher()
             },
         };
 
+        foreach (Button button in this.AddExtraButtons())
+            layout.Items.Add(button);
+
         this.UrlField.TextChanged += this.Reverify;
         this.UrlField.PlaceholderText = "http://localhost:10061/lbp";
     }
@@ -75,10 +80,7 @@ protected void InitializePatcher()
         };
 
         control = new TControl();
-        if (forceHeight != -1)
-        {
-            control.Height = forceHeight;
-        }
+        if (forceHeight != -1) control.Height = forceHeight;
 
         if (button != null)
         {
@@ -97,6 +99,11 @@ public virtual void CompletePatch(object? sender, EventArgs e)
         // Not necessary for some patchers maybe
     }
 
+    public virtual IEnumerable<Button> AddExtraButtons()
+    {
+        return Array.Empty<Button>();
+    }
+
     public virtual void Guide(object? sender, EventArgs e)
     {
         MessageBox.Show("No guide exists for this patch method yet, so stay tuned!", MessageBoxType.Warning);
@@ -120,10 +127,8 @@ private void Autodiscover(object? sender, EventArgs arg)
     {
         try
         {
-            using HttpClient client = new()
-            {
-                BaseAddress = new Uri(this.UrlField.Text),
-            };
+            using HttpClient client = new();
+            client.BaseAddress = new Uri(this.UrlField.Text);
 
             HttpResponseMessage response = client.GetAsync("/autodiscover").Result;
             response.EnsureSuccessStatusCode();