Files
OpenRA/OpenRA.Mods.Common/Traits/Immobile.cs
Paul Chote b856613194 Add ISingleInstanceInit interface.
Inits that are logically singletons (e.g. actor
location or owner) should implement this interface
to avoid runtime inconsistencies.

Duplicate instances are rejected at init-time,
allowing simpler queries when they are used.
2020-06-19 17:57:56 +02:00

70 lines
2.0 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Collections.Generic;
using OpenRA.Primitives;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
class ImmobileInfo : TraitInfo, IOccupySpaceInfo
{
public readonly bool OccupiesSpace = true;
public override object Create(ActorInitializer init) { return new Immobile(init, this); }
public IReadOnlyDictionary<CPos, SubCell> OccupiedCells(ActorInfo info, CPos location, SubCell subCell = SubCell.Any)
{
var occupied = OccupiesSpace ? new Dictionary<CPos, SubCell>() { { location, SubCell.FullCell } } :
new Dictionary<CPos, SubCell>();
return new ReadOnlyDictionary<CPos, SubCell>(occupied);
}
bool IOccupySpaceInfo.SharesCell { get { return false; } }
}
class Immobile : IOccupySpace, ISync, INotifyAddedToWorld, INotifyRemovedFromWorld
{
[Sync]
readonly CPos location;
[Sync]
readonly WPos position;
readonly Pair<CPos, SubCell>[] occupied;
public Immobile(ActorInitializer init, ImmobileInfo info)
{
location = init.GetValue<LocationInit, CPos>();
position = init.World.Map.CenterOfCell(location);
if (info.OccupiesSpace)
occupied = new[] { Pair.New(TopLeft, SubCell.FullCell) };
else
occupied = new Pair<CPos, SubCell>[0];
}
public CPos TopLeft { get { return location; } }
public WPos CenterPosition { get { return position; } }
public Pair<CPos, SubCell>[] OccupiedCells() { return occupied; }
void INotifyAddedToWorld.AddedToWorld(Actor self)
{
self.World.AddToMaps(self, this);
}
void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
{
self.World.RemoveFromMaps(self, this);
}
}
}