Struct bones_framework :: lib :: prelude :: SystemStages Copy item path

impl SystemStages

pub fn builder() -> SystemStagesBuilder

Create builder for construction of SystemStages.

pub fn run(&mut self, world: &mut World)

Execute the systems on the given world.

pub fn handle_startup(&mut self, world: &mut World)

If SessionStarted resource indicates have not yet started, perform startup tasks (insert startup resources, run startup systems).

For advanced use cases in which want to only insert startup resources, or run startup systems and split this behavior, see SystemStages::handle_startup_systems and [SystemStages::handle_startup_resources].

While this is used internally by SystemStages::run, this is also used for resetting world. This allows world to immediately startup and re-initialize after reset.

§Panics

May panic if resources are borrowed, should not borrow resources when calling.

pub fn handle_startup_resources(&mut self, world: &mut World)

If SessionStarted resource indicates startup resources have not yet been inserted, will do so and update SessionStarted.

This function contains only half of stage’s startup behavior, see SystemStages::handle_startup if not intending to split resource insertion from startup systems (Splitting these is more for advanced special cases).

§Panics

May panic if resources are borrowed, should not borrow resources when calling.

pub fn handle_startup_systems(&mut self, world: &mut World)

If SessionStarted resource indicates startup systems have not yet been executed, will do so and update SessionStarted.

This function contains only half of stage’s startup behavior, see SystemStages::handle_startup if not intending to split startup system execution from startup resource insertion (Splitting these is more for advanced special cases).

§Panics

May panic if resources are borrowed, should not borrow resources when calling.

Trait Implementations§

impl Debug for SystemStages

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

impl Default for SystemStages

fn default() -> SystemStages

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl !UnwindSafe for SystemStages

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