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Avoid ReadBytes calls in some StreamExts methods.

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Read individual bytes to avoid allocating small temp arrays.
This commit is contained in:
RoosterDragon
2020-10-18 11:36:32 +01:00
committed by abcdefg30
parent 5e42c03afc
commit 0efdbc762d
1 changed files with 4 additions and 4 deletions
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8
OpenRA.Game/StreamExts.cs
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@@ -61,22 +61,22 @@ namespace OpenRA
public static ushort ReadUInt16(this Stream s) public static ushort ReadUInt16(this Stream s)
{ {
return BitConverter.ToUInt16(s.ReadBytes(2), 0); return (ushort)(s.ReadUInt8() | s.ReadUInt8() << 8);
} }
public static short ReadInt16(this Stream s) public static short ReadInt16(this Stream s)
{ {
return BitConverter.ToInt16(s.ReadBytes(2), 0); return (short)(s.ReadUInt8() | s.ReadUInt8() << 8);
} }
public static uint ReadUInt32(this Stream s) public static uint ReadUInt32(this Stream s)
{ {
return BitConverter.ToUInt32(s.ReadBytes(4), 0); return (uint)(s.ReadUInt8() | s.ReadUInt8() << 8 | s.ReadUInt8() << 16 | s.ReadUInt8() << 24);
} }
public static int ReadInt32(this Stream s) public static int ReadInt32(this Stream s)
{ {
return BitConverter.ToInt32(s.ReadBytes(4), 0); return s.ReadUInt8() | s.ReadUInt8() << 8 | s.ReadUInt8() << 16 | s.ReadUInt8() << 24;
} }
public static void Write(this Stream s, int value) public static void Write(this Stream s, int value)