96a4028862
# Objective While surveying the state of documentation for bevy_assets, I noticed a few minor issues. ## Solution Revise the docs to focus on clear explanations of core ideas and cross-linking related objects.
52 lines
1.9 KiB
Rust
52 lines
1.9 KiB
Rust
//! Add methods on `World` to simplify loading assets when all
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//! you have is a `World`.
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use bevy_ecs::world::World;
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use crate::{meta::Settings, Asset, AssetPath, AssetServer, Assets, Handle};
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/// An extension trait for methods for working with assets directly from a [`World`].
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pub trait DirectAssetAccessExt {
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/// Insert an asset similarly to [`Assets::add`].
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fn add_asset<A: Asset>(&mut self, asset: impl Into<A>) -> Handle<A>;
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/// Load an asset similarly to [`AssetServer::load`].
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fn load_asset<'a, A: Asset>(&self, path: impl Into<AssetPath<'a>>) -> Handle<A>;
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/// Load an asset with settings, similarly to [`AssetServer::load_with_settings`].
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fn load_asset_with_settings<'a, A: Asset, S: Settings>(
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&self,
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path: impl Into<AssetPath<'a>>,
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settings: impl Fn(&mut S) + Send + Sync + 'static,
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) -> Handle<A>;
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}
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impl DirectAssetAccessExt for World {
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/// Insert an asset similarly to [`Assets::add`].
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///
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/// # Panics
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/// If `self` doesn't have an [`AssetServer`] resource initialized yet.
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fn add_asset<'a, A: Asset>(&mut self, asset: impl Into<A>) -> Handle<A> {
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self.resource_mut::<Assets<A>>().add(asset)
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}
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/// Load an asset similarly to [`AssetServer::load`].
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///
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/// # Panics
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/// If `self` doesn't have an [`AssetServer`] resource initialized yet.
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fn load_asset<'a, A: Asset>(&self, path: impl Into<AssetPath<'a>>) -> Handle<A> {
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self.resource::<AssetServer>().load(path)
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}
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/// Load an asset with settings, similarly to [`AssetServer::load_with_settings`].
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///
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/// # Panics
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/// If `self` doesn't have an [`AssetServer`] resource initialized yet.
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fn load_asset_with_settings<'a, A: Asset, S: Settings>(
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&self,
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path: impl Into<AssetPath<'a>>,
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settings: impl Fn(&mut S) + Send + Sync + 'static,
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) -> Handle<A> {
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self.resource::<AssetServer>()
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.load_with_settings(path, settings)
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}
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}
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