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DlcPackLoader

Struct DlcPackLoader 

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pub struct DlcPackLoader {
    pub registrars: Vec<Box<dyn ErasedSubAssetRegistrar>>,
    /* private fields */
}
Expand description

AssetLoader for .dlcpack bundles (contains multiple encrypted entries).

When the encrypt key is available in the registry at load time (i.e. the DLC is already unlocked), each entry is immediately decrypted and registered as a typed labeled sub-asset so asset_server.load("pack.dlcpack#entry.png") returns the correct Handle<T> for the extension’s loader (e.g. Handle<Image> for .png). No asset type is hardcoded here — the correct type is determined purely by extension dispatch via Bevy’s immediate() loader, and the result is downcast + registered using the list of ErasedSubAssetRegistrars that DlcPlugin::build populates.

When the encrypt key is not yet available the pack is still loaded successfully (entries list is populated from the manifest) but the labeled sub-assets are not added — reload_assets_on_unlock_system will reload the pack once the key arrives, and the second load will succeed.

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§registrars: Vec<Box<dyn ErasedSubAssetRegistrar>>

Ordered list of per-type registrars. DlcPlugin::build pushes one TypedSubAssetRegistrar<A> for every A it also registers via init_asset_loader::<DlcLoader<A>>(). The loader tries each in turn and uses the first successful downcast.

Trait Implementations§

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impl AssetLoader for DlcPackLoader

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type Asset = DlcPack

The top level Asset loaded by this AssetLoader.
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type Settings = DlcPackLoaderSettings

The settings type used by this AssetLoader.
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type Error = DlcLoaderError

The type of error which could be encountered by this loader.
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fn extensions(&self) -> &[&str]

Returns a list of extensions supported by this AssetLoader, without the preceding dot. Note that users of this AssetLoader may choose to load files with a non-matching extension.
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async fn load( &self, reader: &mut dyn Reader, _settings: &Self::Settings, load_context: &mut LoadContext<'_>, ) -> Result<Self::Asset, Self::Error>

Asynchronously loads AssetLoader::Asset (and any other labeled assets) from the bytes provided by Reader.
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impl Default for DlcPackLoader

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fn default() -> DlcPackLoader

Returns the “default value” for a type. Read more
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impl TypePath for DlcPackLoader

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fn type_path() -> &'static str

Returns the fully qualified path of the underlying type. Read more
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fn short_type_path() -> &'static str

Returns a short, pretty-print enabled path to the type. Read more
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fn type_ident() -> Option<&'static str>

Returns the name of the type, or None if it is anonymous. Read more
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fn crate_name() -> Option<&'static str>

Returns the name of the crate the type is in, or None if it is anonymous. Read more
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fn module_path() -> Option<&'static str>

Returns the path to the module the type is in, or None if it is anonymous. Read more

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T, U> AsBindGroupShaderType<U> for T
where U: ShaderType, &'a T: for<'a> Into<U>,

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fn as_bind_group_shader_type(&self, _images: &RenderAssets<GpuImage>) -> U

Return the T ShaderType for self. When used in AsBindGroup derives, it is safe to assume that all images in self exist.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSend for T
where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<T> DynamicTypePath for T
where T: TypePath,

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impl<L> ErasedAssetLoader for L
where L: AssetLoader + Send + Sync,

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fn load<'a>( &'a self, reader: &'a mut dyn Reader, settings: &'a (dyn Settings + 'static), load_context: LoadContext<'a>, ) -> Pin<Box<dyn ConditionalSendFuture<Output = Result<ErasedLoadedAsset, BevyError>> + 'a>>

Processes the asset in an asynchronous closure.

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fn extensions(&self) -> &[&str]

Returns a list of extensions supported by this asset loader, without the preceding dot.
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fn deserialize_meta( &self, meta: &[u8], ) -> Result<Box<dyn AssetMetaDyn>, DeserializeMetaError>

Deserializes metadata from the input meta bytes into the appropriate type (erased as Box<dyn AssetMetaDyn>).
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fn default_meta(&self) -> Box<dyn AssetMetaDyn>

Returns the default meta value for the AssetLoader (erased as Box<dyn AssetMetaDyn>).
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fn type_path(&self) -> &'static str

Returns the type path of the AssetLoader.
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fn type_id(&self) -> TypeId

Returns the TypeId of the AssetLoader.
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fn asset_type_name(&self) -> &'static str

Returns the type name of the top-level Asset loaded by the AssetLoader.
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fn asset_type_id(&self) -> TypeId

Returns the TypeId of the top-level Asset loaded by the AssetLoader.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<S> FromSample<S> for S

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fn from_sample_(s: S) -> S

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where T: Default,

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Creates Self using default().

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const WITNESS: W = W::MAKE

A constant of the type witness
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where T: ?Sized,

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.
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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).
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Converts this type into the system output type.
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type Output = T

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fn to_sample_(self) -> U

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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