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Editorial Team
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Asked: 2026-05-23T03:37:08+00:00

I’m using custom attributes in my game to allow me to define dependencies between

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I’m using custom attributes in my game to allow me to define dependencies between aggregated components.

[ComponentDependency(typeof(SomeDependentComponent))]
class SomeComponent : Component {}

However, this means I have to use default values for every component I want to add this way. I would like to be able to do:

[ComponentDependency(typeof(SomeDependentComponent), ctrParam1, ctrParam2...)]

And feed these directly into Activator.CreateInstance(Type, object[]), but I get errors. I think it’s to do with attributes being compile time. I don’t know much about them.

Is this possible?

EDIT: If I were to use parameters, it may look like:
[ComponentDependency(typeof(PositionalComponent), new Vector2(300, 300))]

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1 Answer

  1. Editorial Team

    You can’t.

    Attributes are compiled to metadata in the assembly.
    Attribute parameters can only be primitives or Type objects.

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