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Fix an off-by-one error in NormalizeFacing.

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This commit is contained in:
Paul Chote
2016-09-02 19:57:32 +01:00
parent cb7f6947d1
commit 3b1e4d708d
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)