geary-core/com.mineinabyss.geary.engine/EntityReadOperations

EntityReadOperations

interface EntityReadOperations

Inheritors

Functions

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abstract fun getComponentFor(entity: Entity, componentId: ComponentId): Component?

Gets a componentId's data from an entity or null if not present/the component doesn't hold any data.

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abstract fun getComponentsFor(entity: Entity): Array<Component>

Gets a list of all the components entity has, as well as relations in the form of RelationComponent.

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abstract fun getRelationsFor(entity: Entity, kind: ComponentId, target: EntityId): List<Relation>
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abstract fun getRelationsWithDataFor(entity: Entity, kind: ComponentId, target: EntityId): List<RelationWithData<*, *>>

Gets relations in the same format as Archetype.getRelations, but when kind/target HOLDS_DATA, the appropriate data is written to a RelationWithData object.

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abstract fun hasComponentFor(entity: Entity, componentId: ComponentId): Boolean

Checks whether an entity has a componentId