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CellLayer.Index inline CPos.ToMPos.

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Vapre
2021-07-15 23:20:35 +02:00
committed by abcdefg30
parent 7bfe83cce7
commit 627fd4e68b
1 changed files with 9 additions and 1 deletions
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10
OpenRA.Game/Map/CellLayer.cs
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@@ -52,7 +52,15 @@ namespace OpenRA
// Resolve an array index from cell coordinates // Resolve an array index from cell coordinates
int Index(CPos cell) int Index(CPos cell)
{ {
return Index(cell.ToMPos(GridType)); // PERF: Inline CPos.ToMPos to avoid MPos allocation
var x = cell.X;
var y = cell.Y;
if (GridType == MapGridType.Rectangular)
return y * Size.Width + x;
var u = (x - y) / 2;
var v = x + y;
return v * Size.Width + u;
} }
// Resolve an array index from map coordinates // Resolve an array index from map coordinates