684f07595f
# Objective Complete the first part of the migration detailed in bevyengine/rfcs#45. ## Solution Add all the new stuff. ### TODO - [x] Impl tuple methods. - [x] Impl chaining. - [x] Port ambiguity detection. - [x] Write docs. - [x] ~~Write more tests.~~(will do later) - [ ] Write changelog and examples here? - [x] ~~Replace `petgraph`.~~ (will do later) Co-authored-by: james7132 <contact@jamessliu.com> Co-authored-by: Michael Hsu <mike.hsu@gmail.com> Co-authored-by: Mike Hsu <mike.hsu@gmail.com>
39 lines
1.5 KiB
Rust
39 lines
1.5 KiB
Rust
use crate::schedule_v3::*;
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use crate::world::World;
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/// Temporary "stageless" `App` methods.
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pub trait AppExt {
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/// Sets the [`Schedule`] that will be modified by default when you call `App::add_system`
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/// and similar methods.
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///
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/// **Note:** This will create the schedule if it does not already exist.
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fn set_default_schedule(&mut self, label: impl ScheduleLabel) -> &mut Self;
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/// Applies the function to the [`Schedule`] associated with `label`.
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///
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/// **Note:** This will create the schedule if it does not already exist.
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fn edit_schedule(
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&mut self,
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label: impl ScheduleLabel,
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f: impl FnMut(&mut Schedule),
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) -> &mut Self;
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/// Adds [`State<S>`] and [`NextState<S>`] resources, [`OnEnter`] and [`OnExit`] schedules
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/// for each state variant, and an instance of [`apply_state_transition::<S>`] in
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/// \<insert-`bevy_core`-set-name\> so that transitions happen before `Update`.
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fn add_state<S: States>(&mut self) -> &mut Self;
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}
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/// Temporary "stageless" [`World`] methods.
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pub trait WorldExt {
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/// Runs the [`Schedule`] associated with `label`.
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fn run_schedule(&mut self, label: impl ScheduleLabel);
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}
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impl WorldExt for World {
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fn run_schedule(&mut self, label: impl ScheduleLabel) {
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if let Some(mut schedule) = self.resource_mut::<Schedules>().remove(&label) {
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schedule.run(self);
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self.resource_mut::<Schedules>().insert(label, schedule);
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}
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}
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}
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