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mii: Fix multiple inconsistencies (#2392)

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I found multiple inconsistencies while diffing with latest sdb, this PR fixes those findings.
This commit is contained in:
Mary 2021-06-23 22:24:16 +02:00 committed by GitHub
parent 0644db02ad
commit e334303559
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 44 additions and 40 deletions
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9
Ryujinx.HLE/HOS/Services/Mii/Helper.cs
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@ -6,7 +6,7 @@ namespace Ryujinx.HLE.HOS.Services.Mii
{
static class Helper
{
public static ushort CalculateCrc16BE(ReadOnlySpan<byte> data, int crc = 0)
public static ushort CalculateCrc16(ReadOnlySpan<byte> data, int crc, bool reverseEndianess)
{
const ushort poly = 0x1021;
@ -25,7 +25,12 @@ namespace Ryujinx.HLE.HOS.Services.Mii
}
}
return BinaryPrimitives.ReverseEndianness((ushort)crc);
if (reverseEndianess)
{
return (ushort)(BinaryPrimitives.ReverseEndianness(crc) >> 16);
}
return (ushort)crc;
}
public static UInt128 GetDeviceId()

52
Ryujinx.HLE/HOS/Services/Mii/MiiDatabaseManager.cs
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@ -416,35 +416,35 @@ namespace Ryujinx.HLE.HOS.Services.Mii
return ResultCode.InvalidStoreData;
}
if (!metadata.MiiKeyCode.IsEnabledSpecialMii() && !storeData.IsSpecial())
if (!metadata.MiiKeyCode.IsEnabledSpecialMii() && storeData.IsSpecial())
{
if (_database.GetIndexByCreatorId(out int index, storeData.CreateId))
{
StoreData oldStoreData = _database.Get(index);
if (oldStoreData.IsSpecial())
{
return ResultCode.InvalidOperationOnSpecialMii;
}
_database.Replace(index, storeData);
}
else
{
if (_database.IsFull())
{
return ResultCode.DatabaseFull;
}
_database.Add(storeData);
}
MarkDirty(metadata);
return ResultCode.Success;
return ResultCode.InvalidOperationOnSpecialMii;
}
return ResultCode.InvalidOperationOnSpecialMii;
if (_database.GetIndexByCreatorId(out int index, storeData.CreateId))
{
StoreData oldStoreData = _database.Get(index);
if (oldStoreData.IsSpecial())
{
return ResultCode.InvalidOperationOnSpecialMii;
}
_database.Replace(index, storeData);
}
else
{
if (_database.IsFull())
{
return ResultCode.DatabaseFull;
}
_database.Add(storeData);
}
MarkDirty(metadata);
return ResultCode.Success;
}
public ResultCode Delete(DatabaseSessionMetadata metadata, CreateId createId)

2
Ryujinx.HLE/HOS/Services/Mii/Types/CoreData.cs
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@ -588,7 +588,7 @@ namespace Ryujinx.HLE.HOS.Services.Mii.Types
Nickname = charInfo.Nickname;
FontRegion = charInfo.FontRegion;
FavoriteColor = charInfo.FavoriteColor;
Gender = (Gender)charInfo.Gender;
Gender = charInfo.Gender;
Height = charInfo.Height;
Build = charInfo.Build;
Type = charInfo.Type;

2
Ryujinx.HLE/HOS/Services/Mii/Types/NintendoFigurineDatabase.cs
View File

@ -233,7 +233,7 @@ namespace Ryujinx.HLE.HOS.Services.Mii.Types
private ushort CalculateCrc()
{
return Helper.CalculateCrc16BE(AsSpanWithoutCrc());
return Helper.CalculateCrc16(AsSpanWithoutCrc(), 0, true);
}
public Span<byte> AsSpan()

19
Ryujinx.HLE/HOS/Services/Mii/Types/StoreData.cs
View File

@ -49,26 +49,30 @@ namespace Ryujinx.HLE.HOS.Services.Mii.Types
public bool IsValidDataCrc()
{
return DataCrc == CalculateDataCrc();
return Helper.CalculateCrc16(AsSpanWithoutDeviceCrc(), 0, false) == 0;
}
public bool IsValidDeviceCrc()
{
return DeviceCrc == CalculateDeviceCrc();
UInt128 deviceId = Helper.GetDeviceId();
ushort deviceIdCrc16 = Helper.CalculateCrc16(SpanHelpers.AsByteSpan(ref deviceId), 0, false);
return Helper.CalculateCrc16(AsSpan(), deviceIdCrc16, false) == 0;
}
private ushort CalculateDataCrc()
{
return Helper.CalculateCrc16BE(AsSpanWithoutCrc());
return Helper.CalculateCrc16(AsSpanWithoutDeviceCrc(), 0, true);
}
private ushort CalculateDeviceCrc()
{
UInt128 deviceId = Helper.GetDeviceId();
ushort deviceIdCrc16 = Helper.CalculateCrc16BE(SpanHelpers.AsByteSpan(ref deviceId));
ushort deviceIdCrc16 = Helper.CalculateCrc16(SpanHelpers.AsByteSpan(ref deviceId), 0, false);
return Helper.CalculateCrc16BE(AsSpanWithoutDeviceCrc(), deviceIdCrc16);
return Helper.CalculateCrc16(AsSpan(), deviceIdCrc16, true);
}
private ReadOnlySpan<byte> AsSpan()
@ -76,11 +80,6 @@ namespace Ryujinx.HLE.HOS.Services.Mii.Types
return MemoryMarshal.AsBytes(SpanHelpers.CreateReadOnlySpan(in this, 1));
}
private ReadOnlySpan<byte> AsSpanWithoutCrc()
{
return AsSpan().Slice(0, Size - 4);
}
private ReadOnlySpan<byte> AsSpanWithoutDeviceCrc()
{
return AsSpan().Slice(0, Size - 2);