3c829d7f68
# Objective - Contributes to #11478 - Contributes to #16877 ## Solution - Removed everything except `Instant` from `bevy_utils::time` ## Testing - CI --- ## Migration Guide If you relied on any of the following from `bevy_utils::time`: - `Duration` - `TryFromFloatSecsError` Import these directly from `core::time` regardless of platform target (WASM, mobile, etc.) If you relied on any of the following from `bevy_utils::time`: - `SystemTime` - `SystemTimeError` Instead import these directly from either `std::time` or `web_time` as appropriate for your target platform. ## Notes `Duration` and `TryFromFloatSecsError` are both re-exports from `core::time` regardless of whether they are used from `web_time` or `std::time`, so there is no value gained from re-exporting them from `bevy_utils::time` as well. As for `SystemTime` and `SystemTimeError`, no Bevy internal crates or examples rely on these types. Since Bevy doesn't have a `Time<Wall>` resource for interacting with wall-time (and likely shouldn't need one), I think removing these from `bevy_utils` entirely and waiting for a use-case to justify inclusion is a reasonable path forward.
53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
//! Demonstrates the creation and registration of a custom plugin.
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//!
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//! Plugins are the foundation of Bevy. They are scoped sets of components, resources, and systems
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//! that provide a specific piece of functionality (generally the smaller the scope, the better).
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//! This example illustrates how to create a simple plugin that prints out a message.
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use bevy::prelude::*;
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use core::time::Duration;
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fn main() {
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App::new()
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// plugins are registered as part of the "app building" process
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.add_plugins((
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DefaultPlugins,
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PrintMessagePlugin {
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wait_duration: Duration::from_secs(1),
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message: "This is an example plugin".to_string(),
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},
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))
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.run();
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}
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// This "print message plugin" prints a `message` every `wait_duration`
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struct PrintMessagePlugin {
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// Put your plugin configuration here
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wait_duration: Duration,
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message: String,
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}
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impl Plugin for PrintMessagePlugin {
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// this is where we set up our plugin
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fn build(&self, app: &mut App) {
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let state = PrintMessageState {
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message: self.message.clone(),
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timer: Timer::new(self.wait_duration, TimerMode::Repeating),
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};
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app.insert_resource(state)
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.add_systems(Update, print_message_system);
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}
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}
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#[derive(Resource)]
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struct PrintMessageState {
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message: String,
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timer: Timer,
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}
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fn print_message_system(mut state: ResMut<PrintMessageState>, time: Res<Time>) {
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if state.timer.tick(time.delta()).finished() {
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info!("{}", state.message);
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}
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}
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