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added oodle for asset registry compression
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,32 @@ | ||
| using Ionic.Zlib; | ||
| using CUE4Parse.Compression; | ||
| using Ionic.Zlib; | ||
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| namespace ProSwapperLobby.SwapperLogic | ||
| { | ||
| public class AssetRegistryCompression | ||
| { | ||
| public static byte[] Decompress(byte[] input)=> ZlibStream.UncompressBuffer(input); | ||
| public static byte[] Compress(byte[] input, CompressionMethod compressionMethod) | ||
| { | ||
| switch (compressionMethod) | ||
| { | ||
| case CompressionMethod.Zlib: | ||
| return ZlibStream.CompressBuffer(input); | ||
| case CompressionMethod.Oodle: | ||
| if (!File.Exists(OodleImports.OodleDll)) | ||
| { | ||
| using (HttpClient client = new HttpClient()) | ||
| { | ||
| byte[] dll = client.GetByteArrayAsync($"https://cdn.proswapper.xyz/{OodleImports.OodleDll}").Result; | ||
| File.WriteAllBytes(OodleImports.OodleDll, dll); | ||
| } | ||
| } | ||
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| /// <summary> | ||
| /// Compresses a byte array with CompressionLevel.BestCompression | ||
| /// </summary> | ||
| /// <param name="input"></param> | ||
| /// <returns></returns> | ||
| public static byte[] Compress(byte[] input) => ZlibStream.CompressBuffer(input); | ||
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| return Oodle.Compress(input); | ||
| default: | ||
| return null; | ||
| } | ||
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|
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| } | ||
| } | ||
| } |
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| @@ -0,0 +1,109 @@ | ||
| //Credit to Tamely | ||
| //https://github.com/Tamely/Oodle-Tools/blob/main/OodleTools/Oodle.cs | ||
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| using static ProSwapperLobby.SwapperLogic.OodleImports; | ||
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| namespace ProSwapperLobby.SwapperLogic | ||
| { | ||
| public class Oodle : Imports | ||
| { | ||
| /// <summary> | ||
| /// Attempts to compress a byte[] using Oodle. | ||
| /// </summary> | ||
| /// <param name="data">byte[]: The decompressed data you want to compress</param> | ||
| /// <param name="compressedData">out byte[]: The compressed data Oodle returns</param> | ||
| /// <returns>bool: True if the compression was a success, false if it was a failure</returns> | ||
| public static bool TryCompress(byte[] data, out byte[] compressedData) | ||
| { | ||
| try | ||
| { | ||
| compressedData = Compress(data); | ||
| return true; | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Console.WriteLine(e); | ||
| compressedData = new byte[] { }; | ||
| return false; | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Compresses a byte[] using Oodle. | ||
| /// </summary> | ||
| /// <param name="data">byte[]: The decompressed data you want to compress</param> | ||
| /// <returns>byte[]: The compressed data</returns> | ||
| public static byte[] Compress(byte[] data) | ||
| { | ||
| var maxSize = GetCompressedBounds((uint)data.Length); | ||
| var compressedData = new byte[maxSize]; | ||
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| var compressedSize = Compress(data, (uint)data.Length, ref compressedData, | ||
| maxSize, OodleFormat.Kraken, OodleCompressionLevel.Optimal5); | ||
|
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| byte[] result = new byte[compressedSize]; | ||
| Buffer.BlockCopy(compressedData, 0, result, 0, (int)compressedSize); | ||
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| return result; | ||
| } | ||
|
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| /// <summary> | ||
| /// Attempts to decompress a byte[] using Oodle. | ||
| /// </summary> | ||
| /// <param name="data">byte[]: The compressed data you want to decompress</param> | ||
| /// <param name="decompressedSize">int: The expected size of the decompressed data.</param> | ||
| /// <param name="decompressedData">out byte[]: The decompressed data</param> | ||
| /// <returns>bool: True if the decompression was a success, false if it was a failure</returns> | ||
| public static bool TryDecompress(byte[] data, int decompressedSize, out byte[] decompressedData) | ||
| { | ||
| try | ||
| { | ||
| decompressedData = Decompress(data, decompressedSize); | ||
| return true; | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Console.WriteLine(e); | ||
| decompressedData = new byte[] { }; | ||
| return false; | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Decompresses a byte[] using Oodle. | ||
| /// </summary> | ||
| /// <param name="data">byte[]: The compressed data</param> | ||
| /// <param name="decompressedSize">int: The expected size of the decompressed data</param> | ||
| /// <returns>byte[]: The decompressed data</returns> | ||
| /// <exception cref="Exception">Gets thrown when "decompressedSize" doesn't match with what Oodle returns</exception> | ||
| public static byte[] Decompress(byte[] data, int decompressedSize) | ||
| { | ||
| byte[] decompressedData = new byte[decompressedSize]; | ||
| var verificationSize = Decompress(data, (uint)data.Length, | ||
| ref decompressedData, (uint)decompressedSize); | ||
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| if (verificationSize != decompressedSize) | ||
| throw new Exception("Decompression failed. Verification size does not match given size."); | ||
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| return decompressedData; | ||
| } | ||
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| private static uint Compress(byte[] buffer, uint bufferSize, ref byte[] OutputBuffer, uint OutputBufferSize, | ||
| OodleFormat format, OodleCompressionLevel level) | ||
| { | ||
| if (buffer.Length > 0 && bufferSize > 0 && OutputBuffer.Length > 0 && OutputBufferSize > 0) | ||
| return (uint)OodleLZ_Compress(format, buffer, bufferSize, OutputBuffer, level, 0, 0, 0); | ||
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| return 0; | ||
| } | ||
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| private static uint Decompress(byte[] buffer, uint bufferSize, ref byte[] outputBuffer, uint outputBufferSize) | ||
| { | ||
| if (buffer.Length > 0 && bufferSize > 0 && outputBuffer.Length > 0 && outputBufferSize > 0) | ||
| return (uint)OodleLZ_Decompress(buffer, bufferSize, outputBuffer, outputBufferSize, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | ||
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| return 0; | ||
| } | ||
| } | ||
| } |
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