Enum AssetEvent 

pub enum AssetEvent<A>
where
    A: Asset,
{
    Added {
        id: AssetId<A>,
    },
    Modified {
        id: AssetId<A>,
    },
    Removed {
        id: AssetId<A>,
    },
    Unused {
        id: AssetId<A>,
    },
    LoadedWithDependencies {
        id: AssetId<A>,
    },
}

Events that occur for a specific loaded Asset, such as “value changed” events and “dependency” events.

Variants

Added

Emitted whenever an Asset is added.

Fields

id: AssetId<A>

Modified

Emitted whenever an Asset value is modified.

Fields

id: AssetId<A>

Removed

Emitted whenever an Asset is removed.

Fields

id: AssetId<A>

Unused

Emitted when the last super::Handle::Strong of an Asset is dropped.

Fields

id: AssetId<A>

LoadedWithDependencies

Emitted whenever an Asset has been fully loaded (including its dependencies and all “recursive dependencies”).

Fields

id: AssetId<A>

Implementations

impl<A> AssetEvent<A>

where A: Asset,

pub fn is_loaded_with_dependencies( &self, asset_id: impl Into<AssetId<A>>, ) -> bool

Returns true if this event is AssetEvent::LoadedWithDependencies and matches the given id.

pub fn is_added(&self, asset_id: impl Into<AssetId<A>>) -> bool

Returns true if this event is AssetEvent::Added and matches the given id.

pub fn is_modified(&self, asset_id: impl Into<AssetId<A>>) -> bool

Returns true if this event is AssetEvent::Modified and matches the given id.

pub fn is_removed(&self, asset_id: impl Into<AssetId<A>>) -> bool

Returns true if this event is AssetEvent::Removed and matches the given id.

pub fn is_unused(&self, asset_id: impl Into<AssetId<A>>) -> bool

Returns true if this event is AssetEvent::Unused and matches the given id.

Trait Implementations

impl<A> Clone for AssetEvent<A>

where A: Asset,

fn clone(&self) -> AssetEvent<A>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<A> Debug for AssetEvent<A>

where A: Asset,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<A> Enum for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync, AssetId<A>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn field(&self, __name_param: &str) -> Option<&(dyn PartialReflect + 'static)>

Returns a reference to the value of the field (in the current variant) with the given name.

fn field_at( &self, __index_param: usize, ) -> Option<&(dyn PartialReflect + 'static)>

Returns a reference to the value of the field (in the current variant) at the given index.

fn field_mut( &mut self, __name_param: &str, ) -> Option<&mut (dyn PartialReflect + 'static)>

Returns a mutable reference to the value of the field (in the current variant) with the given name.

fn field_at_mut( &mut self, __index_param: usize, ) -> Option<&mut (dyn PartialReflect + 'static)>

Returns a mutable reference to the value of the field (in the current variant) at the given index.

fn index_of(&self, __name_param: &str) -> Option<usize>

Returns the index of the field (in the current variant) with the given name.

fn name_at(&self, __index_param: usize) -> Option<&str>

Returns the name of the field (in the current variant) with the given index.

fn iter_fields(&self) -> VariantFieldIter<'_>

Returns an iterator over the values of the current variant’s fields.

fn field_len(&self) -> usize

Returns the number of fields in the current variant.

fn variant_name(&self) -> &str

The name of the current variant.

fn variant_index(&self) -> usize

The index of the current variant.

fn variant_type(&self) -> VariantType

The type of the current variant.

fn to_dynamic_enum(&self) -> DynamicEnum

Creates a new DynamicEnum from this enum.

fn clone_dynamic(&self) -> DynamicEnum

👎Deprecated since 0.16.0: use to_dynamic_enum instead

fn is_variant(&self, variant_type: VariantType) -> bool

Returns true if the current variant’s type matches the given one.

fn variant_path(&self) -> String

Returns the full path to the current variant.

fn get_represented_enum_info(&self) -> Option<&'static EnumInfo>

Will return None if TypeInfo is not available.

impl<A> Event for AssetEvent<A>

where A: Asset, AssetEvent<A>: Send + Sync + 'static,

const AUTO_PROPAGATE: bool = false

When true, this event will always attempt to propagate when triggered, without requiring a call to Trigger::propagate.

type Traversal = ()

The component that describes which Entity to propagate this event to next, when propagation is enabled.

fn register_component_id(world: &mut World) -> ComponentId

Generates the ComponentId for this event type.

fn component_id(world: &World) -> Option<ComponentId>

Fetches the ComponentId for this event type, if it has already been generated.

impl<A> FromReflect for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync, AssetId<A>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn from_reflect( __param0: &(dyn PartialReflect + 'static), ) -> Option<AssetEvent<A>>

Constructs a concrete instance of Self from a reflected value.

fn take_from_reflect( reflect: Box<dyn PartialReflect>, ) -> Result<Self, Box<dyn PartialReflect>>

Attempts to downcast the given value to Self using, constructing the value using from_reflect if that fails.

impl<A> GetTypeRegistration for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync, AssetId<A>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn get_type_registration() -> TypeRegistration

Returns the default TypeRegistration for this type.

fn register_type_dependencies(registry: &mut TypeRegistry)

Registers other types needed by this type.

impl<A> PartialEq for AssetEvent<A>

where A: Asset,

fn eq(&self, other: &AssetEvent<A>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<A> PartialReflect for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync, AssetId<A>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn get_represented_type_info(&self) -> Option<&'static TypeInfo>

Returns the TypeInfo of the type represented by this value.

fn try_apply( &mut self, __value_param: &(dyn PartialReflect + 'static), ) -> Result<(), ApplyError>

Tries to apply a reflected value to this value.

fn reflect_kind(&self) -> ReflectKind

Returns a zero-sized enumeration of “kinds” of type.

fn reflect_ref(&self) -> ReflectRef<'_>

Returns an immutable enumeration of “kinds” of type.

fn reflect_mut(&mut self) -> ReflectMut<'_>

Returns a mutable enumeration of “kinds” of type.

fn reflect_owned(self: Box<AssetEvent<A>>) -> ReflectOwned

Returns an owned enumeration of “kinds” of type.

fn try_into_reflect( self: Box<AssetEvent<A>>, ) -> Result<Box<dyn Reflect>, Box<dyn PartialReflect>>

Attempts to cast this type to a boxed, fully-reflected value.

fn try_as_reflect(&self) -> Option<&(dyn Reflect + 'static)>

Attempts to cast this type to a fully-reflected value.

fn try_as_reflect_mut(&mut self) -> Option<&mut (dyn Reflect + 'static)>

Attempts to cast this type to a mutable, fully-reflected value.

fn into_partial_reflect(self: Box<AssetEvent<A>>) -> Box<dyn PartialReflect>

Casts this type to a boxed, reflected value.

fn as_partial_reflect(&self) -> &(dyn PartialReflect + 'static)

Casts this type to a reflected value.

fn as_partial_reflect_mut(&mut self) -> &mut (dyn PartialReflect + 'static)

Casts this type to a mutable, reflected value.

fn reflect_hash(&self) -> Option<u64>

Returns a hash of the value (which includes the type).

fn reflect_partial_eq( &self, value: &(dyn PartialReflect + 'static), ) -> Option<bool>

Returns a “partial equality” comparison result.

fn reflect_clone(&self) -> Result<Box<dyn Reflect>, ReflectCloneError>

Attempts to clone Self using reflection.

fn apply(&mut self, value: &(dyn PartialReflect + 'static))

Applies a reflected value to this value.

fn clone_value(&self) -> Box<dyn PartialReflect>

👎Deprecated since 0.16.0: to clone reflected values, prefer using reflect_clone. To convert reflected values to dynamic ones, use to_dynamic.

Clones Self into its dynamic representation.

fn to_dynamic(&self) -> Box<dyn PartialReflect>

Converts this reflected value into its dynamic representation based on its kind.

fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Debug formatter for the value.

fn is_dynamic(&self) -> bool

Indicates whether or not this type is a dynamic type.

impl<A> Reflect for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync, AssetId<A>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

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

Returns the value as a Box<dyn Any>.

fn as_any(&self) -> &(dyn Any + 'static)

Returns the value as a &dyn Any.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Returns the value as a &mut dyn Any.

fn into_reflect(self: Box<AssetEvent<A>>) -> Box<dyn Reflect>

Casts this type to a boxed, fully-reflected value.

fn as_reflect(&self) -> &(dyn Reflect + 'static)

Casts this type to a fully-reflected value.

fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)

Casts this type to a mutable, fully-reflected value.

fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>

Performs a type-checked assignment of a reflected value to this value.

impl<A> TypePath for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync,

fn type_path() -> &'static str

Returns the fully qualified path of the underlying type.

fn short_type_path() -> &'static str

Returns a short, pretty-print enabled path to the type.

fn type_ident() -> Option<&'static str>

Returns the name of the type, or None if it is anonymous.

fn crate_name() -> Option<&'static str>

Returns the name of the crate the type is in, or None if it is anonymous.

fn module_path() -> Option<&'static str>

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

impl<A> Typed for AssetEvent<A>

where A: Asset + TypePath, AssetEvent<A>: Any + Send + Sync, AssetId<A>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn type_info() -> &'static TypeInfo

Returns the compile-time info for the underlying type.

impl<A> Copy for AssetEvent<A>

where A: Asset,

impl<A> Eq for AssetEvent<A>

where A: Asset,