diff options
Diffstat (limited to 'Ryujinx.HLE/Loaders/Compression')
| -rw-r--r-- | Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs | 72 | ||||
| -rw-r--r-- | Ryujinx.HLE/Loaders/Compression/Lz4.cs | 60 |
2 files changed, 66 insertions, 66 deletions
diff --git a/Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs b/Ryujinx.HLE/Loaders/Compression/BackwardsLz.cs index 43cc601f..166ae60a 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) { - this.BaseStream = BaseStream; + _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; } } }
\ No newline at end of file diff --git a/Ryujinx.HLE/Loaders/Compression/Lz4.cs b/Ryujinx.HLE/Loaders/Compression/Lz4.cs index cfb49551..e405b107 100644 --- a/Ryujinx.HLE/Loaders/Compression/Lz4.cs +++ b/Ryujinx.HLE/Loaders/Compression/Lz4.cs @@ -4,75 +4,75 @@ namespace Ryujinx.HLE.Loaders.Compression { static class Lz4 { - public static byte[] Decompress(byte[] Cmp, int DecLength) + public static byte[] Decompress(byte[] cmp, int decLength) { - byte[] Dec = new byte[DecLength]; + byte[] dec = new byte[decLength]; - int CmpPos = 0; - int DecPos = 0; + int cmpPos = 0; + int decPos = 0; - int GetLength(int Length) + int GetLength(int length) { - byte Sum; + byte sum; - if (Length == 0xf) + if (length == 0xf) { do { - Length += (Sum = Cmp[CmpPos++]); + length += (sum = cmp[cmpPos++]); } - while (Sum == 0xff); + while (sum == 0xff); } - return Length; + return length; } do { - byte Token = Cmp[CmpPos++]; + byte token = cmp[cmpPos++]; - int EncCount = (Token >> 0) & 0xf; - int LitCount = (Token >> 4) & 0xf; + int encCount = (token >> 0) & 0xf; + int litCount = (token >> 4) & 0xf; //Copy literal chunck - LitCount = GetLength(LitCount); + litCount = GetLength(litCount); - Buffer.BlockCopy(Cmp, CmpPos, Dec, DecPos, LitCount); + Buffer.BlockCopy(cmp, cmpPos, dec, decPos, litCount); - CmpPos += LitCount; - DecPos += LitCount; + cmpPos += litCount; + decPos += litCount; - if (CmpPos >= Cmp.Length) + if (cmpPos >= cmp.Length) { break; } //Copy compressed chunck - int Back = Cmp[CmpPos++] << 0 | - Cmp[CmpPos++] << 8; + int back = cmp[cmpPos++] << 0 | + cmp[cmpPos++] << 8; - EncCount = GetLength(EncCount) + 4; + encCount = GetLength(encCount) + 4; - int EncPos = DecPos - Back; + int encPos = decPos - back; - if (EncCount <= Back) + if (encCount <= back) { - Buffer.BlockCopy(Dec, EncPos, Dec, DecPos, EncCount); + Buffer.BlockCopy(dec, encPos, dec, decPos, encCount); - DecPos += EncCount; + decPos += encCount; } else { - while (EncCount-- > 0) + while (encCount-- > 0) { - Dec[DecPos++] = Dec[EncPos++]; + dec[decPos++] = dec[encPos++]; } } } - while (CmpPos < Cmp.Length && - DecPos < Dec.Length); + while (cmpPos < cmp.Length && + decPos < dec.Length); - return Dec; + return dec; } } }
\ No newline at end of file |