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Copy pathBitReader.Int.Extensions.cs
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Copy pathBitReader.Int.Extensions.cs
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61 lines (50 loc) · 1.61 KB
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using System.Runtime.CompilerServices;
using NetCode.Limits;
namespace NetCode;
public static class BitReaderIntExtensions
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ReadInt(this BitReader reader, int min, int max) => reader.ReadInt(new IntLimit(min, max));
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ReadInt(this BitReader reader, IntLimit limit)
{
var value = (int)reader.ReadBits(limit.BitCount);
return value + limit.Min;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ReadInt(this BitReader reader, int baseline)
{
var isChanged = reader.ReadBool();
if (isChanged)
{
return reader.ReadInt();
}
return baseline;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ReadInt(this BitReader reader, int baseline, IntLimit limit)
{
var isChanged = reader.ReadBool();
if (isChanged)
{
return reader.ReadInt(limit);
}
return baseline;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ReadInt(this BitReader reader, int baseline, IntLimit limit, IntLimit diffLimit)
{
var isChanged = reader.ReadBool();
if (isChanged)
{
var isDiff = reader.ReadBool();
if (isDiff)
{
var diff = reader.ReadInt(diffLimit);
return baseline + diff;
}
return reader.ReadInt(limit);
}
return baseline;
}
}