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Cache or inline some delegates to avoid repeated allocations.

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RoosterDragon
2015-01-14 22:32:00 +00:00
parent e4ce46514c
commit 930d9cbea3
3 changed files with 20 additions and 16 deletions
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17
OpenRA.Mods.Common/Traits/World/ShroudRenderer.cs
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@@ -157,20 +157,19 @@ namespace OpenRA.Mods.Common.Traits
return notVisibleEdges;
var cell = uv.ToCPos(map);
Func<CPos, bool> isCellVisible = c => isVisible(c.ToMPos(map));
// If a side is shrouded then we also count the corners
var edge = Edges.None;
if (!isCellVisible(cell + new CVec(0, -1))) edge |= Edges.Top;
if (!isCellVisible(cell + new CVec(1, 0))) edge |= Edges.Right;
if (!isCellVisible(cell + new CVec(0, 1))) edge |= Edges.Bottom;
if (!isCellVisible(cell + new CVec(-1, 0))) edge |= Edges.Left;
if (!isVisible((cell + new CVec(0, -1)).ToMPos(map))) edge |= Edges.Top;
if (!isVisible((cell + new CVec(1, 0)).ToMPos(map))) edge |= Edges.Right;
if (!isVisible((cell + new CVec(0, 1)).ToMPos(map))) edge |= Edges.Bottom;
if (!isVisible((cell + new CVec(-1, 0)).ToMPos(map))) edge |= Edges.Left;
var ucorner = edge & Edges.AllCorners;
if (!isCellVisible(cell + new CVec(-1, -1))) edge |= Edges.TopLeft;
if (!isCellVisible(cell + new CVec(1, -1))) edge |= Edges.TopRight;
if (!isCellVisible(cell + new CVec(1, 1))) edge |= Edges.BottomRight;
if (!isCellVisible(cell + new CVec(-1, 1))) edge |= Edges.BottomLeft;
if (!isVisible((cell + new CVec(-1, -1)).ToMPos(map))) edge |= Edges.TopLeft;
if (!isVisible((cell + new CVec(1, -1)).ToMPos(map))) edge |= Edges.TopRight;
if (!isVisible((cell + new CVec(1, 1)).ToMPos(map))) edge |= Edges.BottomRight;
if (!isVisible((cell + new CVec(-1, 1)).ToMPos(map))) edge |= Edges.BottomLeft;
// RA provides a set of frames for tiles with shrouded
// corners but unshrouded edges. We want to detect this