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Asset

Struct Asset 

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pub struct Asset { /* private fields */ }
Expand description

An asset containing type information and data.

Assets are the core data containers in the asset system. Each asset has a unique ID, an asset type that defines how to load and save it, and the actual data payload.

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impl Asset

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pub fn new(asset_type: Weak<dyn AssetType>, data: Box<dyn AssetData>) -> Self

Creates a new asset with the given type and data.

The asset ID is initially set to 0 and will be assigned by the asset manager when the asset is registered.

§Arguments
  • asset_type - The type definition for this asset
  • data - The actual asset data
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pub fn from_serialized( mgr: &AssetManager, serialized: SerializedAsset, ) -> Result<Self, AssetError>

Creates an asset from a serialized representation.

This method reconstructs an asset from its serialized form by looking up the asset type from the manager and deserializing the data using the appropriate loader.

§Arguments
  • mgr - The asset manager to use for type lookup
  • serialized - The serialized asset data
§Returns

Ok(Asset) if deserialization succeeds, Err(AssetError) if the asset type is not found or deserialization fails.

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pub fn id(&self) -> AssetId

Returns the unique identifier for this asset.

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pub fn asset_type(&self) -> Weak<dyn AssetType>

Returns a clone of the asset type definition.

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pub fn data(&self) -> &dyn AssetData

Returns a reference to the asset’s data.

The data can be downcast to the specific type using the downcast methods provided by the DowncastSync super-trait.

Auto Trait Implementations§

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impl Freeze for Asset

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impl !RefUnwindSafe for Asset

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impl Send for Asset

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impl Sync for Asset

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impl Unpin for Asset

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impl UnsafeUnpin for Asset

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impl !UnwindSafe for Asset

Blanket 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> 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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impl<T> BorrowMut<T> for T
where T: ?Sized,

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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> 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_sync(self: Box<T>) -> Box<dyn Any + Sync + Send>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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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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impl<T, U> TryInto<U> for T
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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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.