32 lines
1.1 KiB
C#
32 lines
1.1 KiB
C#
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namespace OECS;
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/// <summary>
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/// A command that resolves a pending interrupt of type <typeparamref name="TInterrupt"/>.
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///
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/// The default <see cref="ICommand.Execute"/> implementation looks up the pending
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/// interrupt, calls <see cref="TryResolve"/> to let the handler inspect it, and
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/// resolves the interrupt if the handler returns <c>true</c>.
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/// </summary>
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/// <typeparam name="TInterrupt">The interrupt type this handler resolves.</typeparam>
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public interface IInterruptHandlerCommand<TInterrupt> : ICommand
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where TInterrupt : struct, IInterrupt
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{
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void ICommand.Execute(World world)
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{
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if (world.TryGetPendingInterrupt<TInterrupt>(out var interrupt))
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{
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if (TryResolve(interrupt))
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{
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world.ResolveInterrupt<TInterrupt>();
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}
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}
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}
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/// <summary>
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/// Called by the default <see cref="ICommand.Execute"/> with the pending interrupt.
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/// Return <c>true</c> to resolve and remove the interrupt; <c>false</c> to leave it
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/// pending for another handler.
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/// </summary>
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bool TryResolve(TInterrupt interrupt);
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}
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