1 files changed, 61 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/Loaders/Processes/Extensions/MetaLoaderExtensions.cs b/src/Ryujinx.HLE/Loaders/Processes/Extensions/MetaLoaderExtensions.cs
new file mode 100644
index 00000000..c639ee52
--- /dev/null
+++ b/src/Ryujinx.HLE/Loaders/Processes/Extensions/MetaLoaderExtensions.cs
@@ -0,0 +1,61 @@
+using LibHac.Common;
+using LibHac.Fs;
+using LibHac.Fs.Fsa;
+using LibHac.Loader;
+using LibHac.Util;
+using Ryujinx.Common;
+using System;
+
+namespace Ryujinx.HLE.Loaders.Processes.Extensions
+{
+    public static class MetaLoaderExtensions
+    {
+        public static ulong GetProgramId(this MetaLoader metaLoader)
+        {
+            metaLoader.GetNpdm(out var npdm).ThrowIfFailure();
+
+            return npdm.Aci.ProgramId.Value;
+        }
+
+        public static string GetProgramName(this MetaLoader metaLoader)
+        {
+            metaLoader.GetNpdm(out var npdm).ThrowIfFailure();
+
+            return StringUtils.Utf8ZToString(npdm.Meta.ProgramName);
+        }
+
+        public static bool IsProgram64Bit(this MetaLoader metaLoader)
+        {
+            metaLoader.GetNpdm(out var npdm).ThrowIfFailure();
+
+            return (npdm.Meta.Flags & 1) != 0;
+        }
+
+        public static void LoadDefault(this MetaLoader metaLoader)
+        {
+            byte[] npdmBuffer = EmbeddedResources.Read("Ryujinx.HLE/Homebrew.npdm");
+
+            metaLoader.Load(npdmBuffer).ThrowIfFailure();
+        }
+
+        public static void LoadFromFile(this MetaLoader metaLoader, IFileSystem fileSystem, string path = "")
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                path = ProcessConst.MainNpdmPath;
+            }
+
+            using var npdmFile = new UniqueRef<IFile>();
+
+            fileSystem.OpenFile(ref npdmFile.Ref, path.ToU8Span(), OpenMode.Read).ThrowIfFailure();
+
+            npdmFile.Get.GetSize(out long fileSize).ThrowIfFailure();
+
+            Span<byte> npdmBuffer = new byte[fileSize];
+
+            npdmFile.Get.Read(out _, 0, npdmBuffer).ThrowIfFailure();
+
+            metaLoader.Load(npdmBuffer).ThrowIfFailure();
+        }
+    }
+}
+\ No newline at end of file