diff options
Diffstat (limited to 'Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs')
-rw-r--r-- | Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs b/Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs index 166ae60a..43cc601f 100644 --- a/Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs +++ b/Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs @@ -7,22 +7,22 @@ namespace Ryujinx.HLE.Loaders.Compression { private class BackwardsReader { - private Stream _baseStream; + private Stream BaseStream; - public BackwardsReader(Stream baseStream) + public BackwardsReader(Stream BaseStream) { - _baseStream = baseStream; + this.BaseStream = BaseStream; } public byte ReadByte() { - _baseStream.Seek(-1, SeekOrigin.Current); + BaseStream.Seek(-1, SeekOrigin.Current); - byte value = (byte)_baseStream.ReadByte(); + byte Value = (byte)BaseStream.ReadByte(); - _baseStream.Seek(-1, SeekOrigin.Current); + BaseStream.Seek(-1, SeekOrigin.Current); - return value; + return Value; } public short ReadInt16() @@ -39,67 +39,67 @@ namespace Ryujinx.HLE.Loaders.Compression } } - public static byte[] Decompress(Stream input, int decompressedLength) + public static byte[] Decompress(Stream Input, int DecompressedLength) { - long end = input.Position; + long End = Input.Position; - BackwardsReader reader = new BackwardsReader(input); + BackwardsReader Reader = new BackwardsReader(Input); - int additionalDecLength = reader.ReadInt32(); - int startOffset = reader.ReadInt32(); - int compressedLength = reader.ReadInt32(); + int AdditionalDecLength = Reader.ReadInt32(); + int StartOffset = Reader.ReadInt32(); + int CompressedLength = Reader.ReadInt32(); - input.Seek(12 - startOffset, SeekOrigin.Current); + Input.Seek(12 - StartOffset, SeekOrigin.Current); - byte[] dec = new byte[decompressedLength]; + byte[] Dec = new byte[DecompressedLength]; - int decompressedLengthUnpadded = compressedLength + additionalDecLength; + int DecompressedLengthUnpadded = CompressedLength + AdditionalDecLength; - int decompressionStart = decompressedLength - decompressedLengthUnpadded; + int DecompressionStart = DecompressedLength - DecompressedLengthUnpadded; - int decPos = dec.Length; + int DecPos = Dec.Length; - byte mask = 0; - byte header = 0; + byte Mask = 0; + byte Header = 0; - while (decPos > decompressionStart) + while (DecPos > DecompressionStart) { - if ((mask >>= 1) == 0) + if ((Mask >>= 1) == 0) { - header = reader.ReadByte(); - mask = 0x80; + Header = Reader.ReadByte(); + Mask = 0x80; } - if ((header & mask) == 0) + if ((Header & Mask) == 0) { - dec[--decPos] = reader.ReadByte(); + Dec[--DecPos] = Reader.ReadByte(); } else { - ushort pair = (ushort)reader.ReadInt16(); + ushort Pair = (ushort)Reader.ReadInt16(); - int length = (pair >> 12) + 3; - int position = (pair & 0xfff) + 3; + int Length = (Pair >> 12) + 3; + int Position = (Pair & 0xfff) + 3; - decPos -= length; + DecPos -= Length; - if (length <= position) + if (Length <= Position) { - int srcPos = decPos + position; + int SrcPos = DecPos + Position; - Buffer.BlockCopy(dec, srcPos, dec, decPos, length); + Buffer.BlockCopy(Dec, SrcPos, Dec, DecPos, Length); } else { - for (int offset = 0; offset < length; offset++) + for (int Offset = 0; Offset < Length; Offset++) { - dec[decPos + offset] = dec[decPos + position + offset]; + Dec[DecPos + Offset] = Dec[DecPos + Position + Offset]; } } } } - return dec; + return Dec; } } }
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