Struct EntitySnapshot 

pub struct EntitySnapshot {
    pub entity_id: u64,
    pub components: HashMap<String, SerializedValue>,
}

Serialized state of a single entity (all its components).

Fields

entity_id: u64

Stable entity id (assigned by the ECS / entity manager).

components: HashMap<String, SerializedValue>

Component type name → serialized value.

Implementations

impl EntitySnapshot

pub fn new(entity_id: u64) -> Self

Create an empty snapshot for entity_id.

pub fn insert_component( &mut self, name: impl Into<String>, value: SerializedValue, )

Add or replace a component value.

pub fn remove_component(&mut self, name: &str) -> Option<SerializedValue>

Remove a component. Returns the old value if present.

pub fn get_component(&self, name: &str) -> Option<&SerializedValue>

Get a component value by name.

pub fn has_component(&self, name: &str) -> bool

Returns true if the entity has a component with this name.

pub fn component_count(&self) -> usize

Number of components stored.

pub fn merge_from(&mut self, other: &EntitySnapshot)

Merge components from other into self (other wins on conflict).

pub fn to_serialized(&self) -> SerializedValue

Serialize to a SerializedValue::Map.

pub fn from_serialized(v: &SerializedValue) -> Result<Self, DeserializeError>

Deserialize from a SerializedValue::Map.

Trait Implementations

impl Clone for EntitySnapshot

fn clone(&self) -> EntitySnapshot

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EntitySnapshot

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

Formats the value using the given formatter.

impl PartialEq for EntitySnapshot

fn eq(&self, other: &EntitySnapshot) -> 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 StructuralPartialEq for EntitySnapshot