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Tweak shroud revealing logic

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The per-actor visibility now tracks all cells
inside the map area (including those outside the
currently visible bounds), but the shroud/fog is
only cleared if the cell is inside the currently
visible bounds.
This commit is contained in:
Paul Chote
2015-06-11 22:00:49 +01:00
parent 6e052d19d9
commit da3abb4e2e
2 changed files with 19 additions and 6 deletions
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12
OpenRA.Game/Map/Map.cs
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@@ -870,7 +870,7 @@ namespace OpenRA
// it rounds the actual distance up to the next integer so that this call
// will return any cells that intersect with the requested range circle.
// The returned positions are sorted by distance from the center.
public IEnumerable<CPos> FindTilesInAnnulus(CPos center, int minRange, int maxRange)
public IEnumerable<CPos> FindTilesInAnnulus(CPos center, int minRange, int maxRange, bool allowOutsideBounds = false)
{
if (maxRange < minRange)
throw new ArgumentOutOfRangeException("maxRange", "Maximum range is less than the minimum range.");
@@ -878,20 +878,24 @@ namespace OpenRA
if (maxRange > TilesByDistance.Length)
throw new ArgumentOutOfRangeException("maxRange", "The requested range ({0}) exceeds the maximum allowed ({1})".F(maxRange, MaxTilesInCircleRange));
Func<CPos, bool> valid = Contains;
if (allowOutsideBounds)
valid = MapTiles.Value.Contains;
for (var i = minRange; i <= maxRange; i++)
{
foreach (var offset in TilesByDistance[i])
{
var t = offset + center;
if (Contains(t))
if (valid(t))
yield return t;
}
}
}
public IEnumerable<CPos> FindTilesInCircle(CPos center, int maxRange)
public IEnumerable<CPos> FindTilesInCircle(CPos center, int maxRange, bool allowOutsideBounds = false)
{
return FindTilesInAnnulus(center, 0, maxRange);
return FindTilesInAnnulus(center, 0, maxRange, allowOutsideBounds);
}
}
}