34 lines
945 B
C#
34 lines
945 B
C#
using LibDgf.Aqualead;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace LibDgf
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{
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public static class Utils
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{
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public static Stream CheckDecompress(Stream stream, bool keepOpen = false)
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{
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BinaryReader br = new BinaryReader(stream);
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if (new string(br.ReadChars(4)) == "ALLZ")
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{
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stream.Seek(-4, SeekOrigin.Current);
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var decoder = new AlLzDecoder();
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byte[] decoded = decoder.Decode(stream);
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if (!keepOpen) stream.Close();
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stream = new MemoryStream(decoded);
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}
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else
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{
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stream.Seek(-4, SeekOrigin.Current);
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}
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return stream;
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}
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public static double Convert12BitFixedToDouble(int value)
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{
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return value * 0.000244140625; // value / 2^12
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}
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}
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}
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