62ab6ae6f1
This allows callers to efficiently enumerate these returned collections without the allocation and overhead imposed by the IEnumerable interface. All implementations were already returning arrays, so this only required a signature change.
74 lines
2.2 KiB
C#
74 lines
2.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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class ImmobileInfo : ITraitInfo, IOccupySpaceInfo
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{
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public readonly bool OccupiesSpace = true;
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public object Create(ActorInitializer init) { return new Immobile(init, this); }
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public IReadOnlyDictionary<CPos, SubCell> OccupiedCells(ActorInfo info, CPos location, SubCell subCell = SubCell.Any)
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{
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var occupied = OccupiesSpace ? new Dictionary<CPos, SubCell>() { { location, SubCell.FullCell } } :
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new Dictionary<CPos, SubCell>();
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return new ReadOnlyDictionary<CPos, SubCell>(occupied);
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}
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bool IOccupySpaceInfo.SharesCell { get { return false; } }
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}
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class Immobile : IOccupySpace, ISync, INotifyAddedToWorld, INotifyRemovedFromWorld
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{
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[Sync] readonly CPos location;
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[Sync] readonly WPos position;
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readonly Pair<CPos, SubCell>[] occupied;
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public Immobile(ActorInitializer init, ImmobileInfo info)
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{
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location = init.Get<LocationInit, CPos>();
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position = init.World.Map.CenterOfCell(location);
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if (info.OccupiesSpace)
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occupied = new[] { Pair.New(TopLeft, SubCell.FullCell) };
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else
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occupied = new Pair<CPos, SubCell>[0];
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}
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public CPos TopLeft { get { return location; } }
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public WPos CenterPosition { get { return position; } }
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public Pair<CPos, SubCell>[] OccupiedCells() { return occupied; }
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void INotifyAddedToWorld.AddedToWorld(Actor self)
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{
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self.World.ActorMap.AddInfluence(self, this);
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self.World.ActorMap.AddPosition(self, this);
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if (!self.RenderBounds.Size.IsEmpty)
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self.World.ScreenMap.Add(self);
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}
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void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
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{
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self.World.ActorMap.RemoveInfluence(self, this);
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self.World.ActorMap.RemovePosition(self, this);
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if (!self.RenderBounds.Size.IsEmpty)
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self.World.ScreenMap.Remove(self);
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}
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}
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}
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