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Add the ability to add individual files exefs with mod loader (#1766)

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Co-authored-by: Ac_K <Acoustik666@gmail.com>
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Somebody Whoisbored 2020-12-29 12:54:32 -07:00 • committed by GitHub
parent 9a808fe484
commit fb0db32338
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2 changed files with 92 additions and 43 deletions
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64
Ryujinx.HLE/HOS/ModLoader.cs
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@ -12,6 +12,7 @@ using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.IO;
using Ryujinx.HLE.Loaders.Npdm;
namespace Ryujinx.HLE.HOS
{
@ -381,66 +382,87 @@ namespace Ryujinx.HLE.HOS
return true;
}
internal bool ApplyExefsMods(ulong titleId, List<NsoExecutable> nsos)
public struct ModLoadResult
{
public BitVector32 Stubs;
public BitVector32 Replaces;
public Npdm Npdm;
public bool Modified => (Stubs.Data | Replaces.Data) != 0;
}
internal ModLoadResult ApplyExefsMods(ulong titleId, NsoExecutable[] nsos)
{
ModLoadResult modLoadResult = new ModLoadResult
{
Stubs = new BitVector32(),
Replaces = new BitVector32()
};
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsDirs.Count == 0)
{
return false;
return modLoadResult;
}
bool replaced = false;
if (nsos.Count > 32)
if (nsos.Length != ApplicationLoader.ExeFsPrefixes.Length)
{
throw new ArgumentOutOfRangeException("NSO Count is more than 32");
throw new ArgumentOutOfRangeException("NSO Count is incorrect");
}
var exeMods = mods.ExefsDirs;
BitVector32 stubs = new BitVector32();
BitVector32 repls = new BitVector32();
foreach (var mod in exeMods)
{
for (int i = 0; i < nsos.Count; ++i)
for (int i = 0; i < ApplicationLoader.ExeFsPrefixes.Length; ++i)
{
var nso = nsos[i];
var nsoName = nso.Name;
var nsoName = ApplicationLoader.ExeFsPrefixes[i];
FileInfo nsoFile = new FileInfo(Path.Combine(mod.Path.FullName, nsoName));
if (nsoFile.Exists)
{
if (repls[1 << i])
if (modLoadResult.Replaces[1 << i])
{
Logger.Warning?.Print(LogClass.ModLoader, $"Multiple replacements to '{nsoName}'");
continue;
}
repls[1 << i] = true;
modLoadResult.Replaces[1 << i] = true;
nsos[i] = new NsoExecutable(nsoFile.OpenRead().AsStorage(), nsoName);
Logger.Info?.Print(LogClass.ModLoader, $"NSO '{nsoName}' replaced");
}
replaced = true;
modLoadResult.Stubs[1 << i] |= File.Exists(Path.Combine(mod.Path.FullName, nsoName + StubExtension));
}
FileInfo npdmFile = new FileInfo(Path.Combine(mod.Path.FullName, "main.npdm"));
if(npdmFile.Exists)
{
if(modLoadResult.Npdm != null)
{
Logger.Warning?.Print(LogClass.ModLoader, "Multiple replacements to 'main.npdm'");
continue;
}
stubs[1 << i] |= File.Exists(Path.Combine(mod.Path.FullName, nsoName + StubExtension));
modLoadResult.Npdm = new Npdm(npdmFile.OpenRead());
Logger.Info?.Print(LogClass.ModLoader, $"main.npdm replaced");
}
}
for (int i = nsos.Count - 1; i >= 0; --i)
for (int i = ApplicationLoader.ExeFsPrefixes.Length - 1; i >= 0; --i)
{
if (stubs[1 << i] && !repls[1 << i]) // Prioritizes replacements over stubs
if (modLoadResult.Stubs[1 << i] && !modLoadResult.Replaces[1 << i]) // Prioritizes replacements over stubs
{
Logger.Info?.Print(LogClass.ModLoader, $" NSO '{nsos[i].Name}' stubbed");
nsos.RemoveAt(i);
replaced = true;
nsos[i] = null;
}
}
return replaced;
return modLoadResult;
}
internal void ApplyNroPatches(NroExecutable nro)
@ -542,4 +564,4 @@ namespace Ryujinx.HLE.HOS
return count > 0;
}
}
}
}