Files
OpenRA/OpenRA.Mods.Common/FileFormats/RLEZerosCompression.cs
RoosterDragon 1c0885c636 Improve loading performance for loader/compression classes.
- In RLEZerosCompression use dedicated Array.Clear method instead of open-coded loop.
- In VoxelLoader.GenerateSlicePlanes.Get use TryGetValue to avoid repeated array and dictionary lookups.
- In TmpTSLoader.UnpackTileData use ReadBytes to populate array with less overhead compared to repeated one byte reads.
- Resolve TODO in VqaVideo.
2023-07-07 22:36:54 +03:00

38 lines
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C#

#region Copyright & License Information
/*
* Copyright (c) The OpenRA Developers and Contributors
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System;
namespace OpenRA.Mods.Common.FileFormats
{
// Run length encoded sequences of zeros (aka Format2)
public static class RLEZerosCompression
{
public static void DecodeInto(byte[] src, byte[] dest, int destIndex)
{
var r = new FastByteReader(src);
while (!r.Done())
{
var cmd = r.ReadByte();
if (cmd == 0)
{
var count = r.ReadByte();
Array.Clear(dest, destIndex, count);
destIndex += count;
}
else
dest[destIndex++] = cmd;
}
}
}
}