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Create abstract class AffectsShroud[Info] with RevealsShroud core logic also used by CreatesShroud

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atlimit8
2015-09-07 04:39:46 -05:00
parent aae3c8ef7d
commit 3e211232a3
4 changed files with 114 additions and 97 deletions
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95
OpenRA.Mods.Common/Traits/RevealsShroud.cs
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@@ -8,101 +8,18 @@
*/
#endregion
using System;
using System.Linq;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
public class RevealsShroudInfo : ITraitInfo
public class RevealsShroudInfo : AffectsShroudInfo
{
public readonly WDist Range = WDist.Zero;
[Desc("Possible values are CenterPosition (measure range from the center) and ",
"Footprint (measure range from the footprint)")]
public readonly VisibilityType Type = VisibilityType.Footprint;
public virtual object Create(ActorInitializer init) { return new RevealsShroud(init.Self, this); }
public override object Create(ActorInitializer init) { return new RevealsShroud(init.Self, this); }
}
public class RevealsShroud : ITick, ISync, INotifyAddedToWorld, INotifyRemovedFromWorld
public class RevealsShroud : AffectsShroud
{
static readonly PPos[] NoCells = { };
readonly RevealsShroudInfo info;
[Sync] CPos cachedLocation;
[Sync] bool cachedDisabled;
protected Action<Player, PPos[]> addCellsToPlayerShroud;
protected Action<Player> removeCellsFromPlayerShroud;
protected Func<bool> isDisabled;
public RevealsShroud(Actor self, RevealsShroudInfo info)
{
this.info = info;
addCellsToPlayerShroud = (p, uv) => p.Shroud.AddProjectedVisibility(self, uv);
removeCellsFromPlayerShroud = p => p.Shroud.RemoveVisibility(self);
isDisabled = () => false;
}
PPos[] ProjectedCells(Actor self)
{
var map = self.World.Map;
var range = Range;
if (range == WDist.Zero)
return NoCells;
if (info.Type == VisibilityType.Footprint)
return self.OccupiesSpace.OccupiedCells()
.SelectMany(kv => Shroud.ProjectedCellsInRange(map, kv.First, range))
.Distinct().ToArray();
return Shroud.ProjectedCellsInRange(map, self.CenterPosition, range)
.ToArray();
}
public void Tick(Actor self)
{
if (!self.IsInWorld)
return;
var centerPosition = self.CenterPosition;
var projectedPos = centerPosition - new WVec(0, centerPosition.Z, centerPosition.Z);
var projectedLocation = self.World.Map.CellContaining(projectedPos);
var disabled = isDisabled();
if (cachedLocation == projectedLocation && cachedDisabled == disabled)
return;
cachedLocation = projectedLocation;
cachedDisabled = disabled;
var cells = ProjectedCells(self);
foreach (var p in self.World.Players)
{
removeCellsFromPlayerShroud(p);
addCellsToPlayerShroud(p, cells);
}
}
public void AddedToWorld(Actor self)
{
var centerPosition = self.CenterPosition;
var projectedPos = centerPosition - new WVec(0, centerPosition.Z, centerPosition.Z);
cachedLocation = self.World.Map.CellContaining(projectedPos);
cachedDisabled = isDisabled();
var cells = ProjectedCells(self);
foreach (var p in self.World.Players)
addCellsToPlayerShroud(p, cells);
}
public void RemovedFromWorld(Actor self)
{
foreach (var p in self.World.Players)
removeCellsFromPlayerShroud(p);
}
public WDist Range { get { return cachedDisabled ? WDist.Zero : info.Range; } }
: base(self, info) { }
protected override void AddCellsToPlayerShroud(Actor self, Player p, PPos[] uv) { p.Shroud.AddProjectedVisibility(self, uv); }
protected override void RemoveCellsFromPlayerShroud(Actor self, Player p) { p.Shroud.RemoveVisibility(self); }
}
}