Add ElfToElfPatchPipeline

Author: jvyden

Refresher.Core/Pipelines/CommonStepInputs.cs

@@ -31,6 +31,16 @@ public static class CommonStepInputs
         Placeholder = "(leave empty to randomize)",
     };
 
+    internal static readonly StepInput ElfInput = new("elf-input", "Input .ELF", StepInputType.OpenFile)
+    {
+        Placeholder = @"C:\path\to\EBOOT.elf",
+    };
+    
+    internal static readonly StepInput ElfOutput = new("elf-output", "Output .ELF", StepInputType.SaveFile)
+    {
+        Placeholder = @"C:\path\to\EBOOT.elf",
+    };
+    
     // TODO: Cache the last used location for easier entry
     private static string? DetermineDefaultRpcs3Path()
     {

Refresher.Core/Pipelines/ElfToElfPatchPipeline.cs

@@ -0,0 +1,19 @@
+using Refresher.Core.Pipelines.Steps;
+
+namespace Refresher.Core.Pipelines;
+
+public class ElfToElfPatchPipeline : Pipeline
+{
+    public override string Id => "elf-elf-patch";
+    public override string Name => ".elf->.elf Patch";
+    
+    protected override List<Type> StepTypes =>
+    [
+        typeof(InputElfStep),
+
+        typeof(PrepareEbootPatcherAndVerifyStep),
+        typeof(ApplyPatchToEbootStep),
+        
+        typeof(OutputElfStep),
+    ];
+}

Refresher.Core/Pipelines/Steps/InputElfStep.cs

@@ -0,0 +1,39 @@
+using Refresher.Core.Patching;
+
+namespace Refresher.Core.Pipelines.Steps;
+
+public class InputElfStep : Step
+{
+    public InputElfStep(Pipeline pipeline) : base(pipeline)
+    {}
+
+    public override List<StepInput> Inputs =>
+    [
+        CommonStepInputs.ElfInput,
+    ];
+
+    public override float Progress { get; protected set; }
+    public override Task ExecuteAsync(CancellationToken cancellationToken = default)
+    {
+        string elfInput = this.Inputs.First().GetValueFromPipeline(this.Pipeline);
+        if (!File.Exists(elfInput))
+            throw new FileNotFoundException("The Input .ELF could not be found.");
+
+        string temp = Path.GetTempFileName();
+
+        {
+            using FileStream write = File.OpenWrite(temp);
+            using FileStream read = File.OpenRead(elfInput);
+            read.CopyTo(write);
+        }
+
+        this.Pipeline.GameInformation = new GameInformation
+        {
+            DecryptedEbootPath = temp,
+            Name = Path.GetFileName(elfInput),
+            TitleId = "UNKN12345",
+        };
+
+        return Task.CompletedTask;
+    }
+}

Refresher.Core/Pipelines/Steps/OutputElfStep.cs

@@ -0,0 +1,24 @@
+namespace Refresher.Core.Pipelines.Steps;
+
+public class OutputElfStep : Step
+{
+    public OutputElfStep(Pipeline pipeline) : base(pipeline)
+    {}
+
+    public override List<StepInput> Inputs =>
+    [
+        CommonStepInputs.ElfOutput,
+    ];
+
+    public override float Progress { get; protected set; }
+    public override Task ExecuteAsync(CancellationToken cancellationToken = default)
+    {
+        string elfOutput = this.Inputs.First().GetValueFromPipeline(this.Pipeline);
+        // if (File.Exists(elfOutput))
+            // TODO: ask user if they want to replace
+
+        File.Copy(this.Game.DecryptedEbootPath!, Path.GetFullPath(elfOutput));
+
+        return Task.CompletedTask;
+    }
+}

Refresher/UI/MainForm.cs

@@ -24,10 +24,13 @@ public class MainForm : RefresherForm
             this.PipelineButton<PatchworkRPCS3ConfigPipeline>("Reconfigure Patch for RPCS3"),
 
             new Label { Text = "General (for non-LBP games):" },
-            new Button((_, _) => this.ShowChild<FilePatchForm>()) { Text = "File Patch (using a .ELF)" },
             this.PipelineButton<RPCS3PatchPipeline>("Patch any RPCS3 game"),
             this.PipelineButton<PS3PatchPipeline>("Patch any PS3 game"),
 
+            new Label { Text = "Advanced (for experts):" },
+            new Button((_, _) => this.ShowChild<FilePatchForm>()) { Text = "File Patch (using a .ELF)" },
+            this.PipelineButton<ElfToElfPatchPipeline>(".elf->.elf Patch"),
+
             #if DEBUG
             new Label { Text = "Debugging options:" },
             this.PipelineButton<ExamplePipeline>("Example Pipeline"),

Refresher/UI/PipelineForm.cs

@@ -144,6 +144,8 @@ private void InitializePipeline()
                     row = AddField<TextBox>(input, value);
                     break;
                 case StepInputType.Directory:
+                case StepInputType.OpenFile:
+                case StepInputType.SaveFile:
                     row = AddField<FilePicker>(input, value);
                     if (input.ShouldCauseGameDownloadWhenChanged)
                     {