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 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; } } }
\ No newline at end of file diff --git a/Ryujinx.HLE/Loaders/Compression/Lz4.cs b/Ryujinx.HLE/Loaders/Compression/Lz4.cs index e405b107..cfb49551 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 |