Files
OpenRA/OpenRA.Mods.Cnc/Traits/GpsWatcher.cs
2019-05-24 10:47:57 +02:00

115 lines
2.9 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2019 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 System.Linq;
using OpenRA.Mods.Common.Traits;
using OpenRA.Traits;
namespace OpenRA.Mods.Cnc.Traits
{
[Desc("Required for `GpsPower`. Attach this to the player actor.")]
class GpsWatcherInfo : ITraitInfo
{
public object Create(ActorInitializer init) { return new GpsWatcher(init.Self.Owner); }
}
interface IOnGpsRefreshed { void OnGpsRefresh(Actor self, Player player); }
class GpsWatcher : ISync, IPreventsShroudReset
{
[Sync]
public bool Launched { get; private set; }
[Sync]
public bool GrantedAllies { get; private set; }
[Sync]
public bool Granted { get; private set; }
// Whether this watcher has explored the terrain (by becoming Launched, or an ally becoming Launched)
[Sync]
bool explored;
readonly Player owner;
readonly List<Actor> actors = new List<Actor>();
readonly HashSet<TraitPair<IOnGpsRefreshed>> notifyOnRefresh = new HashSet<TraitPair<IOnGpsRefreshed>>();
public GpsWatcher(Player owner)
{
this.owner = owner;
}
public void GpsRemove(Actor atek)
{
actors.Remove(atek);
RefreshGps(atek.Owner);
}
public void GpsAdd(Actor atek)
{
actors.Add(atek);
RefreshGps(atek.Owner);
}
public void ReachedOrbit(Player launcher)
{
Launched = true;
RefreshGps(launcher);
}
public void RefreshGps(Player launcher)
{
RefreshGranted();
foreach (var i in launcher.World.ActorsWithTrait<GpsWatcher>())
i.Trait.RefreshGranted();
}
void RefreshGranted()
{
var wasGranted = Granted;
var wasGrantedAllies = GrantedAllies;
var allyWatchers = owner.World.ActorsWithTrait<GpsWatcher>().Where(kv => kv.Actor.Owner.IsAlliedWith(owner));
Granted = actors.Count > 0 && Launched;
GrantedAllies = allyWatchers.Any(w => w.Trait.Granted);
var allyLaunched = allyWatchers.Any(w => w.Trait.Launched);
if ((Launched || allyLaunched) && !explored)
{
explored = true;
owner.Shroud.ExploreAll();
}
if (wasGranted != Granted || wasGrantedAllies != GrantedAllies)
foreach (var tp in notifyOnRefresh.ToList())
tp.Trait.OnGpsRefresh(tp.Actor, owner);
}
bool IPreventsShroudReset.PreventShroudReset(Actor self)
{
return Granted || GrantedAllies;
}
public void RegisterForOnGpsRefreshed(Actor actor, IOnGpsRefreshed toBeNotified)
{
notifyOnRefresh.Add(new TraitPair<IOnGpsRefreshed>(actor, toBeNotified));
}
public void UnregisterForOnGpsRefreshed(Actor actor, IOnGpsRefreshed toBeNotified)
{
notifyOnRefresh.Remove(new TraitPair<IOnGpsRefreshed>(actor, toBeNotified));
}
}
}