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Merge pull request #11948 from pchote/fix-facing-normalization

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Fix an off-by-one error in NormalizeFacing.
This commit is contained in:
abcdefg30
2016-09-02 22:17:36 +02:00
committed by GitHub
parent 9e867e23a9 3b1e4d708d
commit 15214c21bc
1 changed files with 3 additions and 1 deletions
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4
OpenRA.Mods.Common/Util.cs
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@@ -73,12 +73,14 @@ namespace OpenRA.Mods.Common
} }
} }
/// <summary>Wraps an arbitrary integer facing value into the range 0 - 255</summary>
public static int NormalizeFacing(int f) public static int NormalizeFacing(int f)
{ {
if (f >= 0) if (f >= 0)
return f & 0xFF; return f & 0xFF;
return 0xFF - (-f & 0xFF); var negative = -f & 0xFF;
return negative == 0 ? 0 : 256 - negative;
} }
public static WPos BetweenCells(World w, CPos from, CPos to) public static WPos BetweenCells(World w, CPos from, CPos to)