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Refine component getter and setter

This commit is contained in:
Christian Treffs 2020-10-19 17:33:53 +02:00
parent bcf934ff7e
commit 8821648d7f
No known key found for this signature in database
GPG Key ID: 49A4B4B460BE3ED4
7 changed files with 92 additions and 97 deletions
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9
Sources/FirebladeECS/Entity+Component.swift
View File

@ -8,12 +8,12 @@
extension Entity { extension Entity {
@inlinable @inlinable
public func get<C>() -> C? where C: Component { public func get<C>() -> C? where C: Component {
nexus.get(for: identifier) nexus.get(safe: identifier)
} }
@inlinable @inlinable
public func get<A>(component compType: A.Type = A.self) -> A? where A: Component { public func get<A>(component compType: A.Type = A.self) -> A? where A: Component {
nexus.get(for: identifier) nexus.get(safe: identifier)
} }
@inlinable @inlinable
@ -33,7 +33,7 @@ extension Entity {
} }
/// Get or set component instance by type via subscript. /// Get or set component instance by type via subscript.
/// ///
/// **Behavior:** /// **Behavior:**
/// - If `Comp` is a component type that is currently *not* assigned to this entity, /// - If `Comp` is a component type that is currently *not* assigned to this entity,
/// the new instance will be assigned to this entity. /// the new instance will be assigned to this entity.
@ -57,7 +57,6 @@ extension Entity {
/// Get the value of a component using the key Path to the property in the component. /// Get the value of a component using the key Path to the property in the component.
/// - Parameter componentKeyPath: The `KeyPath` to the property of the given component. /// - Parameter componentKeyPath: The `KeyPath` to the property of the given component.
/// - Returns: If `Comp` is assigned to this entity the value at the given `KeyPath` is returned, nil otherwise.
@inlinable @inlinable
public func get<Comp, Value>(valueAt componentKeyPath: KeyPath<Comp, Value>) -> Value where Comp: Component { public func get<Comp, Value>(valueAt componentKeyPath: KeyPath<Comp, Value>) -> Value where Comp: Component {
self.get(component: Comp.self)![keyPath: componentKeyPath] self.get(component: Comp.self)![keyPath: componentKeyPath]
@ -88,7 +87,7 @@ extension Entity {
return nexus.assign(component: newInstance, entityId: identifier) return nexus.assign(component: newInstance, entityId: identifier)
} }
get(component: Comp.self).unsafelyUnwrapped[keyPath: componentKeyPath] = newValue get(component: Comp.self)![keyPath: componentKeyPath] = newValue
return true return true
} }

2
Sources/FirebladeECS/Entity.swift
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@ -122,7 +122,7 @@ extension Entity {
@usableFromInline @usableFromInline
init(nexus: Nexus, entityIdentifier: EntityIdentifier) { init(nexus: Nexus, entityIdentifier: EntityIdentifier) {
if let comps = nexus.get(components: entityIdentifier) { if let comps = nexus.get(components: entityIdentifier) {
iterator = AnyIterator<Component>(comps.compactMap { nexus.get(component: $0, for: entityIdentifier) }.makeIterator()) iterator = AnyIterator<Component>(comps.compactMap { nexus.get(unsafe: $0, for: entityIdentifier) }.makeIterator())
} else { } else {
iterator = AnyIterator { nil } iterator = AnyIterator { nil }
} }

144
Sources/FirebladeECS/Generated/Family.generated.swift
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@ -23,13 +23,13 @@ public struct Requires1<Comp1>: FamilyRequirementsManaging where Comp1: Componen
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
return (comp1) return (comp1)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
return (entity, comp1) return (entity, comp1)
} }
@ -116,15 +116,15 @@ public struct Requires2<Comp1, Comp2>: FamilyRequirementsManaging where Comp1: C
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
return (comp1, comp2) return (comp1, comp2)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2) return (entity, comp1, comp2)
} }
@ -215,17 +215,17 @@ public struct Requires3<Comp1, Comp2, Comp3>: FamilyRequirementsManaging where C
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
return (comp1, comp2, comp3) return (comp1, comp2, comp3)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2, comp3) return (entity, comp1, comp2, comp3)
} }
@ -320,19 +320,19 @@ public struct Requires4<Comp1, Comp2, Comp3, Comp4>: FamilyRequirementsManaging
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
return (comp1, comp2, comp3, comp4) return (comp1, comp2, comp3, comp4)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2, comp3, comp4) return (entity, comp1, comp2, comp3, comp4)
} }
@ -431,21 +431,21 @@ public struct Requires5<Comp1, Comp2, Comp3, Comp4, Comp5>: FamilyRequirementsMa
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
return (comp1, comp2, comp3, comp4, comp5) return (comp1, comp2, comp3, comp4, comp5)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2, comp3, comp4, comp5) return (entity, comp1, comp2, comp3, comp4, comp5)
} }
@ -548,23 +548,23 @@ public struct Requires6<Comp1, Comp2, Comp3, Comp4, Comp5, Comp6>: FamilyRequire
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5, Comp6) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5, Comp6) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
let comp6: Comp6 = nexus.get(unsafeComponentFor: entityId) let comp6: Comp6 = nexus.get(unsafe: entityId)
return (comp1, comp2, comp3, comp4, comp5, comp6) return (comp1, comp2, comp3, comp4, comp5, comp6)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5, Comp6) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5, Comp6) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
let comp6: Comp6 = nexus.get(unsafeComponentFor: entityId) let comp6: Comp6 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2, comp3, comp4, comp5, comp6) return (entity, comp1, comp2, comp3, comp4, comp5, comp6)
} }
@ -671,25 +671,25 @@ public struct Requires7<Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7>: Family
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
let comp6: Comp6 = nexus.get(unsafeComponentFor: entityId) let comp6: Comp6 = nexus.get(unsafe: entityId)
let comp7: Comp7 = nexus.get(unsafeComponentFor: entityId) let comp7: Comp7 = nexus.get(unsafe: entityId)
return (comp1, comp2, comp3, comp4, comp5, comp6, comp7) return (comp1, comp2, comp3, comp4, comp5, comp6, comp7)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
let comp6: Comp6 = nexus.get(unsafeComponentFor: entityId) let comp6: Comp6 = nexus.get(unsafe: entityId)
let comp7: Comp7 = nexus.get(unsafeComponentFor: entityId) let comp7: Comp7 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2, comp3, comp4, comp5, comp6, comp7) return (entity, comp1, comp2, comp3, comp4, comp5, comp6, comp7)
} }
@ -800,27 +800,27 @@ public struct Requires8<Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7, Comp8>:
} }
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7, Comp8) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7, Comp8) {
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
let comp6: Comp6 = nexus.get(unsafeComponentFor: entityId) let comp6: Comp6 = nexus.get(unsafe: entityId)
let comp7: Comp7 = nexus.get(unsafeComponentFor: entityId) let comp7: Comp7 = nexus.get(unsafe: entityId)
let comp8: Comp8 = nexus.get(unsafeComponentFor: entityId) let comp8: Comp8 = nexus.get(unsafe: entityId)
return (comp1, comp2, comp3, comp4, comp5, comp6, comp7, comp8) return (comp1, comp2, comp3, comp4, comp5, comp6, comp7, comp8)
} }
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7, Comp8) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, Comp1, Comp2, Comp3, Comp4, Comp5, Comp6, Comp7, Comp8) {
let entity = Entity(nexus: nexus, id: entityId) let entity = Entity(nexus: nexus, id: entityId)
let comp1: Comp1 = nexus.get(unsafeComponentFor: entityId) let comp1: Comp1 = nexus.get(unsafe: entityId)
let comp2: Comp2 = nexus.get(unsafeComponentFor: entityId) let comp2: Comp2 = nexus.get(unsafe: entityId)
let comp3: Comp3 = nexus.get(unsafeComponentFor: entityId) let comp3: Comp3 = nexus.get(unsafe: entityId)
let comp4: Comp4 = nexus.get(unsafeComponentFor: entityId) let comp4: Comp4 = nexus.get(unsafe: entityId)
let comp5: Comp5 = nexus.get(unsafeComponentFor: entityId) let comp5: Comp5 = nexus.get(unsafe: entityId)
let comp6: Comp6 = nexus.get(unsafeComponentFor: entityId) let comp6: Comp6 = nexus.get(unsafe: entityId)
let comp7: Comp7 = nexus.get(unsafeComponentFor: entityId) let comp7: Comp7 = nexus.get(unsafe: entityId)
let comp8: Comp8 = nexus.get(unsafeComponentFor: entityId) let comp8: Comp8 = nexus.get(unsafe: entityId)
return (entity, comp1, comp2, comp3, comp4, comp5, comp6, comp7, comp8) return (entity, comp1, comp2, comp3, comp4, comp5, comp6, comp7, comp8)
} }

25
Sources/FirebladeECS/Nexus+Component.swift
View File

@ -34,33 +34,32 @@ extension Nexus {
} }
@inlinable @inlinable
public final func get(component componentId: ComponentIdentifier, for entityId: EntityIdentifier) -> Component? { public final func get(safe componentId: ComponentIdentifier, for entityId: EntityIdentifier) -> Component? {
guard let uniformComponents = componentsByType[componentId], uniformComponents.contains(entityId.index) else { guard let uniformComponents = componentsByType[componentId], uniformComponents.contains(entityId.index) else {
return nil return nil
} }
return uniformComponents.get(at: entityId.index) return uniformComponents.get(at: entityId.index)
} }
@inlinable
public final func get<C>(componentId: ComponentIdentifier, entityId: EntityIdentifier) -> C? where C: Component {
get(component: componentId, for: entityId) as? C
}
@inlinable @inlinable
public final func get(unsafeComponent componentId: ComponentIdentifier, for entityId: EntityIdentifier) -> Component { public final func get(unsafe componentId: ComponentIdentifier, for entityId: EntityIdentifier) -> Component {
let uniformComponents = componentsByType[componentId].unsafelyUnwrapped let uniformComponents = componentsByType[componentId].unsafelyUnwrapped
return uniformComponents.get(unsafeAt: entityId.index) return uniformComponents.get(unsafeAt: entityId.index)
} }
@inlinable @inlinable
public final func get<C>(for entityId: EntityIdentifier) -> C? where C: Component { public final func get<C>(safe componentId: ComponentIdentifier, for entityId: EntityIdentifier) -> C? where C: Component {
let componentId: ComponentIdentifier = C.identifier get(safe: componentId, for: entityId) as? C
return get(componentId: componentId, entityId: entityId)
} }
@inlinable @inlinable
public final func get<C>(unsafeComponentFor entityId: EntityIdentifier) -> C where C: Component { public final func get<C>(safe entityId: EntityIdentifier) -> C? where C: Component {
let component: Component = get(unsafeComponent: C.identifier, for: entityId) get(safe: C.identifier, for: entityId)
}
@inlinable
public final func get<C>(unsafe entityId: EntityIdentifier) -> C where C: Component {
let component: Component = get(unsafe: C.identifier, for: entityId)
// components are guaranteed to be reference types so unsafeDowncast is applicable here // components are guaranteed to be reference types so unsafeDowncast is applicable here
return unsafeDowncast(component, to: C.self) return unsafeDowncast(component, to: C.self)
} }
@ -96,6 +95,4 @@ extension Nexus {
} }
return removedAll return removedAll
} }
} }

2
Sources/FirebladeECS/Single.swift
View File

@ -28,7 +28,7 @@ extension Single where A: SingleComponent {
// Since we guarantee that the component will always be present by managing the complete lifecycle of the entity // Since we guarantee that the component will always be present by managing the complete lifecycle of the entity
// and component assignment we may unsafelyUnwrap here. // and component assignment we may unsafelyUnwrap here.
// Since components will always be of reference type (class) we may use unsafeDowncast here for performance reasons. // Since components will always be of reference type (class) we may use unsafeDowncast here for performance reasons.
nexus.get(unsafeComponentFor: entityId) nexus.get(unsafe: entityId)
} }
public var entity: Entity { public var entity: Entity {

4
Sources/FirebladeECS/Stencils/Family.stencil
View File

@ -46,7 +46,7 @@ public struct Requires{{ idx }}<{{ CompParams }}>: FamilyRequirementsManaging wh
public static func components(nexus: Nexus, entityId: EntityIdentifier) -> ({{ CompParams }}) { public static func components(nexus: Nexus, entityId: EntityIdentifier) -> ({{ CompParams }}) {
{% for comp in components %} {% for comp in components %}
let {{ comp|lowercase }}: {{ comp }} = nexus.get(unsafeComponentFor: entityId) let {{ comp|lowercase }}: {{ comp }} = nexus.get(unsafe: entityId)
{% endfor %} {% endfor %}
return ({{ CompsLowercased }}) return ({{ CompsLowercased }})
} }
@ -54,7 +54,7 @@ public struct Requires{{ idx }}<{{ CompParams }}>: FamilyRequirementsManaging wh
public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, {{ CompParams }}) { public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, {{ CompParams }}) {
let entity: Entity = Entity(nexus: nexus, id: entityId) let entity: Entity = Entity(nexus: nexus, id: entityId)
{% for comp in components %} {% for comp in components %}
let {{ comp|lowercase }}: {{ comp }} = nexus.get(unsafeComponentFor: entityId) let {{ comp|lowercase }}: {{ comp }} = nexus.get(unsafe: entityId)
{% endfor %} {% endfor %}
return (entity, {{ CompsLowercased }}) return (entity, {{ CompsLowercased }})
} }

3
Tests/FirebladeECSTests/EntityTests.swift
View File

@ -107,7 +107,6 @@ class EntityTests: XCTestCase {
XCTAssertEqual(entity[Position.self]?.x, 1234) XCTAssertEqual(entity[Position.self]?.x, 1234)
XCTAssertEqual(entity[Velocity.self]?.a, 123.0) XCTAssertEqual(entity[Velocity.self]?.a, 123.0)
// remove position component // remove position component
entity[Position.self] = nil entity[Position.self] = nil
XCTAssertNil(entity[Position.self]) XCTAssertNil(entity[Position.self])
@ -117,7 +116,7 @@ class EntityTests: XCTestCase {
XCTAssertTrue(entity[Position.self] === pos) XCTAssertTrue(entity[Position.self] === pos)
entity[Position.self] = nil // remove position component entity[Position.self] = nil // remove position component
XCTAssertNil(entity[Position.self]) XCTAssertNil(entity[Position.self])
} }
} }