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Add ISingleInstanceInit interface.

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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.
This commit is contained in:
Paul Chote
2020-05-30 16:48:35 +01:00
committed by reaperrr
parent 86305879cb
commit b856613194
45 changed files with 169 additions and 95 deletions
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23
OpenRA.Mods.Common/Graphics/ActorPreview.cs
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@@ -77,6 +77,29 @@ namespace OpenRA.Mods.Common.Graphics
return init != null ? init.Value : fallback;
}
public bool Contains<T>() where T : ActorInit, ISingleInstanceInit { return GetOrDefault<T>() != null; }
public T GetOrDefault<T>() where T : ActorInit, ISingleInstanceInit
{
return dict.GetOrDefault<T>();
}
public T Get<T>() where T : ActorInit, ISingleInstanceInit
{
return dict.Get<T>();
}
public U GetValue<T, U>() where T : ValueActorInit<U>, ISingleInstanceInit
{
return Get<T>().Value;
}
public U GetValue<T, U>(U fallback) where T : ValueActorInit<U>, ISingleInstanceInit
{
var init = GetOrDefault<T>();
return init != null ? init.Value : fallback;
}
public bool Contains<T>(TraitInfo info) where T : ActorInit { return GetOrDefault<T>(info) != null; }
public Func<WRot> GetOrientation()