Created
August 17, 2023 09:03
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Example of passing a system set label to a bevy plugin so the plugin can configure sets as needed, using BoxedSystemSet
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use bevy::{prelude::*, ecs::schedule::SystemSetConfig}; | |
use bevy::ecs::schedule::BoxedSystemSet; | |
//// game: | |
#[derive(SystemSet, Clone, Copy, Debug, PartialEq, Eq, Hash)] | |
pub enum MySets { | |
GameLogic, | |
} | |
#[derive(Resource)] | |
struct Tick(u32); | |
fn main() { | |
App::new() | |
.insert_resource(Tick(0)) | |
.add_plugins(DefaultPlugins) | |
.add_plugins(MyPlugin::new(MySets::GameLogic)) | |
.add_systems(Update, game_logic.in_set(MySets::GameLogic)) | |
.run(); | |
} | |
fn game_logic(mut tick: ResMut<Tick>) { | |
tick.0 += 1; | |
info!("Incrementing tick to {:?}", tick.0); | |
} | |
//// plugin: | |
#[derive(SystemSet, Clone, Copy, Debug, PartialEq, Eq, Hash)] | |
pub enum MyPluginSets { | |
PluginLogic, | |
} | |
struct MyPlugin { | |
after_set: BoxedSystemSet, | |
} | |
impl MyPlugin { | |
fn new(after_set: impl SystemSet) -> Self { | |
Self { after_set: Box::new(after_set) } | |
} | |
} | |
impl Plugin for MyPlugin { | |
fn build(&self, app: &mut App) { | |
app.configure_set( | |
Update, | |
self.after_set.dyn_clone().before(MyPluginSets::PluginLogic) | |
) | |
.add_systems(Update, plugin_logic.in_set(MyPluginSets::PluginLogic)) | |
; | |
} | |
} | |
fn plugin_logic(tick: Res<Tick>) { | |
info!("plugin_logic tick = {:?}", tick.0); | |
} | |
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