bevy/crates/bevy_asset/src/info.rs
Nathan Ward fe32a60577 [assets] set LoadState properly and more testing! (#2226)
1) Sets `LoadState` properly on all failing cases in `AssetServer::load_async`
2) Adds more tests for sad and happy paths of asset loading

_Note_: this brings in the `tempfile` crate.
2021-06-08 02:46:44 +00:00

55 lines
1.6 KiB
Rust

use crate::{path::AssetPath, LabelId};
use bevy_utils::{HashMap, HashSet, Uuid};
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct SourceMeta {
pub assets: Vec<AssetMeta>,
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct AssetMeta {
pub label: Option<String>,
pub dependencies: Vec<AssetPath<'static>>,
pub type_uuid: Uuid,
}
/// Info about a specific asset, such as its path and its current load state
#[derive(Clone, Debug)]
pub struct SourceInfo {
pub meta: Option<SourceMeta>,
pub path: PathBuf,
pub asset_types: HashMap<LabelId, Uuid>,
pub load_state: LoadState,
pub committed_assets: HashSet<LabelId>,
pub version: usize,
}
impl SourceInfo {
pub fn is_loaded(&self) -> bool {
self.meta.as_ref().map_or(false, |meta| {
self.committed_assets.len() == meta.assets.len()
})
}
pub fn get_asset_type(&self, label_id: LabelId) -> Option<Uuid> {
self.asset_types.get(&label_id).cloned()
}
}
/// The load state of an asset
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
pub enum LoadState {
/// The asset has not be loaded.
NotLoaded,
/// The asset in the the process of loading.
Loading,
/// The asset has loaded and is living inside an [`Assets`](crate::Assets) collection.
Loaded,
/// The asset failed to load.
Failed,
/// The asset was previously loaded, however all handles were dropped and
/// the asset was removed from the [`Assets`](crate::Assets) collection.
Unloaded,
}