8206c3c453
VisibilityType.Footprint reveals from each footprint cell. VisibilityType.CenterPosition reveals from the actor’s CenterPosition only (as the original games did).
107 lines
2.9 KiB
C#
107 lines
2.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Linq;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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public class RevealsShroudInfo : ITraitInfo
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{
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public readonly WRange Range = WRange.Zero;
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[Desc("Possible values are CenterPosition (measure range from the center) and ",
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"Footprint (measure range from the footprint)")]
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public readonly VisibilityType Type = VisibilityType.Footprint;
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public virtual object Create(ActorInitializer init) { return new RevealsShroud(init.Self, this); }
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}
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public class RevealsShroud : ITick, ISync, INotifyAddedToWorld, INotifyRemovedFromWorld
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{
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static readonly CPos[] NoCells = { };
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readonly RevealsShroudInfo info;
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readonly bool lobbyShroudFogDisabled;
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[Sync] CPos cachedLocation;
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[Sync] bool cachedDisabled;
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protected Action<Player, CPos[]> addCellsToPlayerShroud;
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protected Action<Player> removeCellsFromPlayerShroud;
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protected Func<bool> isDisabled;
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public RevealsShroud(Actor self, RevealsShroudInfo info)
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{
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this.info = info;
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lobbyShroudFogDisabled = !self.World.LobbyInfo.GlobalSettings.Shroud && !self.World.LobbyInfo.GlobalSettings.Fog;
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addCellsToPlayerShroud = (p, c) => p.Shroud.AddVisibility(self, c);
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removeCellsFromPlayerShroud = p => p.Shroud.RemoveVisibility(self);
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isDisabled = () => false;
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}
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CPos[] Cells(Actor self)
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{
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var map = self.World.Map;
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var range = Range;
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if (range == WRange.Zero)
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return NoCells;
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if (info.Type == VisibilityType.Footprint)
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return self.OccupiesSpace.OccupiedCells()
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.SelectMany(kv => Shroud.CellsInRange(map, kv.First, range))
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.Distinct().ToArray();
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return Shroud.CellsInRange(map, self.CenterPosition, range)
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.ToArray();
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}
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public void Tick(Actor self)
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{
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if (lobbyShroudFogDisabled || !self.IsInWorld)
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return;
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var location = self.Location;
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var disabled = isDisabled();
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if (cachedLocation == location && cachedDisabled == disabled)
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return;
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cachedLocation = location;
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cachedDisabled = disabled;
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var cells = Cells(self);
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foreach (var p in self.World.Players)
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{
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removeCellsFromPlayerShroud(p);
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addCellsToPlayerShroud(p, cells);
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}
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}
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public void AddedToWorld(Actor self)
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{
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cachedLocation = self.Location;
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cachedDisabled = isDisabled();
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var cells = Cells(self);
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foreach (var p in self.World.Players)
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addCellsToPlayerShroud(p, cells);
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}
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public void RemovedFromWorld(Actor self)
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{
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foreach (var p in self.World.Players)
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removeCellsFromPlayerShroud(p);
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}
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public WRange Range { get { return cachedDisabled ? WRange.Zero : info.Range; } }
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}
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}
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