Struct ResourceRegistry 

pub struct ResourceRegistry { /* private fields */ }

Per-World bidirectional map between Resource TypeId and the hidden GlobalEntity carrying that resource as a single component.

Maintained on both sides:

• Sender (HostWorldManager): inserted at insert_resource::<R>(...) time, removed at remove_resource::<R>() time.
• Receiver (RemoteWorldManager): inserted when an incoming SpawnWithComponents carries a component whose kind is registered in protocol.resource_kinds. Removed on entity despawn.

Lookups are O(1) in both directions:

• entity_for(TypeId) → “where is the hidden entity for resource R?”
• type_for(GlobalEntity) → “is this entity a resource, and which one?” (used to suppress the entity from user-visible scope/event streams).

Implementations

impl ResourceRegistry

pub fn new() -> Self

Creates an empty ResourceRegistry.

pub fn insert<R: 'static>( &mut self, entity: GlobalEntity, ) -> Result<(), ResourceAlreadyExists>

Insert a (TypeId, GlobalEntity) pair. Fails with ResourceAlreadyExists if the TypeId is already registered (the commands.replicate_resource API surface treats this as an error per D14/risk-register).

pub fn insert_raw( &mut self, type_id: TypeId, entity: GlobalEntity, ) -> Result<(), ResourceAlreadyExists>

Receiver-side variant: insert by raw TypeId (the receiver derives the TypeId from the incoming ComponentKind via the ResourceKinds registration). Idempotent if the same pair is already present (e.g. spawn-after-spawn replay), returns error otherwise.

pub fn remove<R: 'static>(&mut self) -> Option<GlobalEntity>

Remove a resource by type. Returns the removed entity if present.

pub fn remove_by_entity(&mut self, entity: &GlobalEntity) -> Option<TypeId>

Receiver-side: remove by entity (used when an incoming Despawn for a resource entity arrives).

pub fn entity_for<R: 'static>(&self) -> Option<GlobalEntity>

O(1): “where is the hidden entity for resource R?”

pub fn entity_for_raw(&self, type_id: &TypeId) -> Option<GlobalEntity>

O(1) raw-TypeId variant.

pub fn type_for(&self, entity: &GlobalEntity) -> Option<TypeId>

O(1): “is this entity a resource entity, and if so which type?”

pub fn is_resource_entity(&self, entity: &GlobalEntity) -> bool

O(1): “is this entity a resource entity?”

pub fn len(&self) -> usize

Returns the number of registered resources.

pub fn is_empty(&self) -> bool

Returns true if no resources have been registered.

pub fn iter(&self) -> impl Iterator<Item = (&TypeId, &GlobalEntity)>

Iterate over all (TypeId, GlobalEntity) pairs. Used by the scope resolver to auto-include resource entities in every user’s scope.

pub fn entities(&self) -> impl Iterator<Item = &GlobalEntity>

Iterate over just the resource entities (for scope auto-inclusion).

Trait Implementations

impl Clone for ResourceRegistry

fn clone(&self) -> ResourceRegistry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ResourceRegistry

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

Formats the value using the given formatter.

impl Default for ResourceRegistry

fn default() -> ResourceRegistry

Returns the “default value” for a type.