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MultiResourceComponent

issun::ui::core::component

Trait MultiResourceComponent 

Source 
pub trait MultiResourceComponent {
    type Output;

    // Required method
    fn render_multi(&self, resources: &ResourceContext) -> Option<Self::Output>;
}
Expand description

Multi-resource component that depends on multiple resource types

This trait is for components that need access to multiple resources. It provides a more flexible rendering interface.

§Example

ⓘ
impl MultiResourceComponent for StatisticsComponent {
    type Output = Paragraph<'static>;

    fn render_multi(&self, resources: &ResourceContext) -> Option<Self::Output> {
        let ctx = resources.try_get::<GameContext>()?;
        let city = resources.try_get::<CityMap>()?;
        Some(Paragraph::new(format!("Pop: {}", city.population)))
    }
}

Required Associated Types§

Source

type Output

The widget type this component renders

Required Methods§

Source

fn render_multi(&self, resources: &ResourceContext) -> Option<Self::Output>

Render the component using multiple resources

This method provides access to the full ResourceContext, allowing the component to fetch multiple resource types.

§Arguments
  • resources - The resource context to access game state
§Returns
  • Some(widget) - Successfully rendered widget
  • None - Required resources not found

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§