concinnity-core 0.18.65

Runtime vocabulary for the Concinnity engine: GPU layouts, ECS components, registry, CPU kernels
Documentation 
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// src/components/screen_command.rs

use crate::ecs::asset_id::AssetId;

/// Runtime-only event sent by UiInputSystem when a `screen:*` action fires.
/// UiInputSystem reads these from its `Events<ScreenCommand>` queue on the next
/// step and applies the stack transition. World authors never declare this type
/// directly.
#[derive(Debug, Clone, Default)]
pub enum ScreenCommand {
    /// Replace the top of the stack (menu navigation).
    Show(AssetId),
    /// Pop the top of the stack, revealing what was beneath.
    #[default]
    Hide,
    /// Pop if the screen is topmost, push it otherwise.
    Toggle(AssetId),
    /// Push on top of whatever is already showing.
    Push(AssetId),
    /// Empty the stack (a scene change dismisses every open screen).
    Clear,
}