blob: 1c19887befbcda5d3782dfbed7534d785b649372 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
using LibHac.Common.Keys;
using LibHac.Fs.Fsa;
using LibHac.Ncm;
using LibHac.Tools.FsSystem.NcaUtils;
using LibHac.Tools.Ncm;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using System;
namespace Ryujinx.HLE.FileSystem
{
/// <summary>
/// Thin wrapper around <see cref="Cnmt"/>
/// </summary>
public class ContentCollection
{
private readonly IFileSystem _pfs;
private readonly Cnmt _cnmt;
public ulong Id => _cnmt.TitleId;
public TitleVersion Version => _cnmt.TitleVersion;
public ContentMetaType Type => _cnmt.Type;
public ulong ApplicationId => _cnmt.ApplicationTitleId;
public ulong PatchId => _cnmt.PatchTitleId;
public TitleVersion RequiredSystemVersion => _cnmt.MinimumSystemVersion;
public TitleVersion RequiredApplicationVersion => _cnmt.MinimumApplicationVersion;
public byte[] Digest => _cnmt.Hash;
public ulong ProgramBaseId => Id & ~0x1FFFUL;
public bool IsSystemTitle => _cnmt.Type < ContentMetaType.Application;
public ContentCollection(IFileSystem pfs, Cnmt cnmt)
{
_pfs = pfs;
_cnmt = cnmt;
}
public Nca GetNcaByType(KeySet keySet, ContentType type, int programIndex = 0)
{
// TODO: Replace this with a check for IdOffset as soon as LibHac supports it:
// && entry.IdOffset == programIndex
foreach (var entry in _cnmt.ContentEntries)
{
if (entry.Type != type)
{
continue;
}
string ncaId = BitConverter.ToString(entry.NcaId).Replace("-", null).ToLower();
Nca nca = _pfs.GetNca(keySet, $"/{ncaId}.nca");
if (nca.GetProgramIndex() == programIndex)
{
return nca;
}
}
return null;
}
}
}
|
