Leahnaya/PKHeX
1
0
Fork 0
mirror of https://github.com/kwsch/PKHeX.git synced 2026-09-09 21:18:05 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Use System.Memory for BigEndian value reads

Browse Source 
Temp testing commit; will improve performance in the future
This commit is contained in:
Kurt
2021-12-27 13:56:52 -08:00
parent 76cac85243
commit a2f61166e4
1 changed files with 9 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
PKHeX.Core/Util/BigEndian.cs
View File

@@ -1,80 +1,18 @@
using System;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core
{
public static class BigEndian
{
public static uint ToUInt32(ReadOnlySpan<byte> data)
{
int val = 0;
val |= data[0] << 24;
val |= data[1] << 16;
val |= data[2] << 8;
val |= data[3];
return (uint)val;
}
public static ushort ToUInt16(ReadOnlySpan<byte> data)
{
int val = 0;
val |= data[0] << 8;
val |= data[1];
return (ushort)val;
}
public static int ToInt32(ReadOnlySpan<byte> data)
{
int val = 0;
val |= data[0] << 24;
val |= data[1] << 16;
val |= data[2] << 8;
val |= data[3];
return val;
}
public static short ToInt16(ReadOnlySpan<byte> data)
{
int val = 0;
val |= data[0] << 8;
val |= data[1];
return (short)val;
}
public static uint ToUInt32(byte[] data, int offset)
{
int val = 0;
val |= data[offset + 0] << 24;
val |= data[offset + 1] << 16;
val |= data[offset + 2] << 8;
val |= data[offset + 3];
return (uint)val;
}
public static ushort ToUInt16(byte[] data, int offset)
{
int val = 0;
val |= data[offset + 0] << 8;
val |= data[offset + 1];
return (ushort)val;
}
public static int ToInt32(byte[] data, int offset)
{
int val = 0;
val |= data[offset + 0] << 24;
val |= data[offset + 1] << 16;
val |= data[offset + 2] << 8;
val |= data[offset + 3];
return val;
}
public static short ToInt16(byte[] data, int offset)
{
int val = 0;
val |= data[offset + 0] << 8;
val |= data[offset + 1];
return (short)val;
}
public static uint ToUInt32(ReadOnlySpan<byte> data) => ReadUInt32BigEndian(data);
public static ushort ToUInt16(ReadOnlySpan<byte> data) => ReadUInt16BigEndian(data);
public static int ToInt32(ReadOnlySpan<byte> data) => ReadInt32BigEndian(data);
public static short ToInt16(ReadOnlySpan<byte> data) => ReadInt16BigEndian(data);
public static uint ToUInt32(byte[] data, int offset) => ReadUInt32BigEndian(data.AsSpan(offset));
public static ushort ToUInt16(byte[] data, int offset) => ReadUInt16BigEndian(data.AsSpan(offset));
public static int ToInt32(byte[] data, int offset) => ReadInt32BigEndian(data.AsSpan(offset));
public static short ToInt16(byte[] data, int offset) => ReadInt16BigEndian(data.AsSpan(offset));
public static byte[] GetBytes(int value)
{