refactor(app): compose live presentation startup
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23 changed files with 1767 additions and 626 deletions
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@ -39,6 +39,18 @@ internal sealed class DeferredLiveEntityMotionRuntimeBindings
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_target = target;
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}
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public IDisposable BindOwned(ILiveEntityMotionRuntimeBindings target)
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{
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Bind(target);
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return new Binding(this, target);
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}
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private void Unbind(ILiveEntityMotionRuntimeBindings expected)
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{
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if (ReferenceEquals(_target, expected))
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_target = null;
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}
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private ILiveEntityMotionRuntimeBindings Target =>
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_target ?? throw new InvalidOperationException(
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"Live entity motion runtime bindings were used before binding.");
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@ -61,4 +73,21 @@ internal sealed class DeferredLiveEntityMotionRuntimeBindings
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public IPhysicsObjHost? ResolvePhysicsHost(uint serverGuid) =>
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Target.ResolvePhysicsHost(serverGuid);
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private sealed class Binding : IDisposable
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{
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private DeferredLiveEntityMotionRuntimeBindings? _owner;
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private readonly ILiveEntityMotionRuntimeBindings _expected;
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public Binding(
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DeferredLiveEntityMotionRuntimeBindings owner,
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ILiveEntityMotionRuntimeBindings expected)
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{
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_owner = owner;
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_expected = expected;
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}
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public void Dispose() =>
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Interlocked.Exchange(ref _owner, null)?.Unbind(_expected);
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}
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}
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