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Batch ActorMap add/removes and filter invalid ActorsInBox. Fixes #3897.

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This commit is contained in:
Paul Chote
2013-10-05 13:19:47 +13:00
parent 85f854ccde
commit 4f354e1474
1 changed files with 36 additions and 9 deletions
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45
OpenRA.Game/Traits/World/ActorMap.cs
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@@ -26,7 +26,7 @@ namespace OpenRA.Traits
public object Create(ActorInitializer init) { return new ActorMap(init.world, this); }
}
public class ActorMap
public class ActorMap : ITick
{
class InfluenceNode
{
@@ -48,6 +48,11 @@ namespace OpenRA.Traits
List<Actor>[] actors;
int rows, cols;
// Position updates are done in one pass
// to ensure consistency during a tick
List<Actor> addActorPosition;
List<Actor> removeActorPosition;
public ActorMap(World world, ActorMapInfo info)
{
this.info = info;
@@ -60,6 +65,9 @@ namespace OpenRA.Traits
for (var j = 0; j < rows; j++)
for (var i = 0; i < cols; i++)
actors[j * cols + i] = new List<Actor>();
addActorPosition = new List<Actor>();
removeActorPosition = new List<Actor>();
}
public IEnumerable<Actor> GetUnitsAt(CPos a)
@@ -135,18 +143,34 @@ namespace OpenRA.Traits
RemoveInfluenceInner(ref influenceNode.Next, toRemove);
}
public void Tick(Actor self)
{
// Position updates are done in one pass
// to ensure consistency during a tick
foreach (var bin in actors)
bin.RemoveAll(removeActorPosition.Contains);
removeActorPosition.Clear();
foreach (var a in addActorPosition)
{
var pos = a.OccupiesSpace.CenterPosition;
var i = (pos.X / info.BinSize).Clamp(0, cols - 1);
var j = (pos.Y / info.BinSize).Clamp(0, rows - 1);
actors[j * cols + i].Add(a);
}
addActorPosition.Clear();
}
public void AddPosition(Actor a, IOccupySpace ios)
{
var pos = ios.CenterPosition;
var i = (pos.X / info.BinSize).Clamp(0, cols - 1);
var j = (pos.Y / info.BinSize).Clamp(0, rows - 1);
actors[j * cols + i].Add(a);
addActorPosition.Add(a);
}
public void RemovePosition(Actor a, IOccupySpace ios)
{
foreach (var bin in actors)
bin.Remove(a);
removeActorPosition.Add(a);
}
public void UpdatePosition(Actor a, IOccupySpace ios)
@@ -166,6 +190,7 @@ namespace OpenRA.Traits
var j1 = (top / info.BinSize).Clamp(0, rows - 1);
var j2 = (bottom / info.BinSize).Clamp(0, rows - 1);
var actorsInBox = new List<Actor>();
for (var j = j1; j <= j2; j++)
{
for (var i = i1; i <= i2; i++)
@@ -173,11 +198,13 @@ namespace OpenRA.Traits
foreach (var actor in actors[j * cols + i])
{
var c = actor.CenterPosition;
if (left <= c.X && c.X <= right && top <= c.Y && c.Y <= bottom)
yield return actor;
if (actor.IsInWorld && left <= c.X && c.X <= right && top <= c.Y && c.Y <= bottom)
actorsInBox.Add(actor);
}
}
}
return actorsInBox.Distinct();
}
}
}