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perf: CompressVarInt uses WriteByte instead of Write<T> to avoid Action call overhead

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This commit is contained in:
vis2k 2022-03-12 19:19:43 +08:00
parent a868368eca
commit 5fcbd1d550
1 changed files with 45 additions and 45 deletions
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90
Assets/Mirror/Runtime/Compression.cs
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@ -201,84 +201,84 @@ public static void CompressVarUInt(NetworkWriter writer, ulong value)
{
if (value <= 240)
{
writer.Write((byte)value);
writer.WriteByte((byte)value);
return;
}
if (value <= 2287)
{
writer.Write((byte)(((value - 240) >> 8) + 241));
writer.Write((byte)((value - 240) & 0xFF));
writer.WriteByte((byte)(((value - 240) >> 8) + 241));
writer.WriteByte((byte)((value - 240) & 0xFF));
return;
}
if (value <= 67823)
{
writer.Write((byte)249);
writer.Write((byte)((value - 2288) >> 8));
writer.Write((byte)((value - 2288) & 0xFF));
writer.WriteByte((byte)249);
writer.WriteByte((byte)((value - 2288) >> 8));
writer.WriteByte((byte)((value - 2288) & 0xFF));
return;
}
if (value <= 16777215)
{
writer.Write((byte)250);
writer.Write((byte)(value & 0xFF));
writer.Write((byte)((value >> 8) & 0xFF));
writer.Write((byte)((value >> 16) & 0xFF));
writer.WriteByte((byte)250);
writer.WriteByte((byte)(value & 0xFF));
writer.WriteByte((byte)((value >> 8) & 0xFF));
writer.WriteByte((byte)((value >> 16) & 0xFF));
return;
}
if (value <= 4294967295)
{
writer.Write((byte)251);
writer.Write((byte)(value & 0xFF));
writer.Write((byte)((value >> 8) & 0xFF));
writer.Write((byte)((value >> 16) & 0xFF));
writer.Write((byte)((value >> 24) & 0xFF));
writer.WriteByte((byte)251);
writer.WriteByte((byte)(value & 0xFF));
writer.WriteByte((byte)((value >> 8) & 0xFF));
writer.WriteByte((byte)((value >> 16) & 0xFF));
writer.WriteByte((byte)((value >> 24) & 0xFF));
return;
}
if (value <= 1099511627775)
{
writer.Write((byte)252);
writer.Write((byte)(value & 0xFF));
writer.Write((byte)((value >> 8) & 0xFF));
writer.Write((byte)((value >> 16) & 0xFF));
writer.Write((byte)((value >> 24) & 0xFF));
writer.Write((byte)((value >> 32) & 0xFF));
writer.WriteByte((byte)252);
writer.WriteByte((byte)(value & 0xFF));
writer.WriteByte((byte)((value >> 8) & 0xFF));
writer.WriteByte((byte)((value >> 16) & 0xFF));
writer.WriteByte((byte)((value >> 24) & 0xFF));
writer.WriteByte((byte)((value >> 32) & 0xFF));
return;
}
if (value <= 281474976710655)
{
writer.Write((byte)253);
writer.Write((byte)(value & 0xFF));
writer.Write((byte)((value >> 8) & 0xFF));
writer.Write((byte)((value >> 16) & 0xFF));
writer.Write((byte)((value >> 24) & 0xFF));
writer.Write((byte)((value >> 32) & 0xFF));
writer.Write((byte)((value >> 40) & 0xFF));
writer.WriteByte((byte)253);
writer.WriteByte((byte)(value & 0xFF));
writer.WriteByte((byte)((value >> 8) & 0xFF));
writer.WriteByte((byte)((value >> 16) & 0xFF));
writer.WriteByte((byte)((value >> 24) & 0xFF));
writer.WriteByte((byte)((value >> 32) & 0xFF));
writer.WriteByte((byte)((value >> 40) & 0xFF));
return;
}
if (value <= 72057594037927935)
{
writer.Write((byte)254);
writer.Write((byte)(value & 0xFF));
writer.Write((byte)((value >> 8) & 0xFF));
writer.Write((byte)((value >> 16) & 0xFF));
writer.Write((byte)((value >> 24) & 0xFF));
writer.Write((byte)((value >> 32) & 0xFF));
writer.Write((byte)((value >> 40) & 0xFF));
writer.Write((byte)((value >> 48) & 0xFF));
writer.WriteByte((byte)254);
writer.WriteByte((byte)(value & 0xFF));
writer.WriteByte((byte)((value >> 8) & 0xFF));
writer.WriteByte((byte)((value >> 16) & 0xFF));
writer.WriteByte((byte)((value >> 24) & 0xFF));
writer.WriteByte((byte)((value >> 32) & 0xFF));
writer.WriteByte((byte)((value >> 40) & 0xFF));
writer.WriteByte((byte)((value >> 48) & 0xFF));
return;
}
// all others
{
writer.Write((byte)255);
writer.Write((byte)(value & 0xFF));
writer.Write((byte)((value >> 8) & 0xFF));
writer.Write((byte)((value >> 16) & 0xFF));
writer.Write((byte)((value >> 24) & 0xFF));
writer.Write((byte)((value >> 32) & 0xFF));
writer.Write((byte)((value >> 40) & 0xFF));
writer.Write((byte)((value >> 48) & 0xFF));
writer.Write((byte)((value >> 56) & 0xFF));
writer.WriteByte((byte)255);
writer.WriteByte((byte)(value & 0xFF));
writer.WriteByte((byte)((value >> 8) & 0xFF));
writer.WriteByte((byte)((value >> 16) & 0xFF));
writer.WriteByte((byte)((value >> 24) & 0xFF));
writer.WriteByte((byte)((value >> 32) & 0xFF));
writer.WriteByte((byte)((value >> 40) & 0xFF));
writer.WriteByte((byte)((value >> 48) & 0xFF));
writer.WriteByte((byte)((value >> 56) & 0xFF));
}
}