epic/OpenRA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add FrozenActorLayer.FrozenActorsInRegion.

Browse Source
This commit is contained in:
Paul Chote
2017-12-10 16:56:54 +00:00
committed by abcdefg30
parent b221787350
commit b9e03ac009
1 changed files with 17 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
OpenRA.Game/Traits/Player/FrozenActorLayer.cs
View File

@@ -182,6 +182,7 @@ namespace OpenRA.Traits
readonly SpatiallyPartitioned<uint> partitionedFrozenActorIds;
readonly bool[] dirtyBins;
readonly HashSet<uint> dirtyFrozenActorIds = new HashSet<uint>();
readonly int rows, cols;
public FrozenActorLayer(Actor self, FrozenActorLayerInfo info)
{
@@ -195,16 +196,17 @@ namespace OpenRA.Traits
// expensive visibility update for frozen actors in these regions.
partitionedFrozenActorIds = new SpatiallyPartitioned<uint>(
world.Map.MapSize.X, world.Map.MapSize.Y, binSize);
var maxX = world.Map.MapSize.X / binSize + 1;
var maxY = world.Map.MapSize.Y / binSize + 1;
dirtyBins = new bool[maxX * maxY];
cols = world.Map.MapSize.X / binSize + 1;
rows = world.Map.MapSize.Y / binSize + 1;
dirtyBins = new bool[cols * rows];
self.Trait<Shroud>().CellsChanged += cells =>
{
foreach (var cell in cells)
{
var x = cell.U / binSize;
var y = cell.V / binSize;
dirtyBins[y * maxX + x] = true;
dirtyBins[y * cols + x] = true;
}
};
}
@@ -281,14 +283,13 @@ namespace OpenRA.Traits
{
// Check which bins on the map were dirtied due to changes in the shroud and gather the frozen actors whose
// footprint overlap with these bins.
var maxX = world.Map.MapSize.X / binSize + 1;
var maxY = world.Map.MapSize.Y / binSize + 1;
for (var y = 0; y < maxY; y++)
for (var y = 0; y < rows; y++)
{
for (var x = 0; x < maxX; x++)
for (var x = 0; x < cols; x++)
{
if (!dirtyBins[y * maxX + x])
if (!dirtyBins[y * cols + x])
continue;
var box = new Rectangle(x * binSize, y * binSize, binSize, binSize);
dirtyFrozenActorIds.UnionWith(partitionedFrozenActorIds.InBox(box));
}
@@ -318,5 +319,12 @@ namespace OpenRA.Traits
return fa;
}
public IEnumerable<FrozenActor> FrozenActorsInRegion(CellRegion region)
{
var tl = region.TopLeft;
var br = region.BottomRight;
return partitionedFrozenActorIds.InBox(Rectangle.FromLTRB(tl.X, tl.Y, br.X, br.Y)).Select(FromID);
}
}
}