53 lines
2.1 KiB
Swift
53 lines
2.1 KiB
Swift
//
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// Family5.swift
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//
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//
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// Created by Christian Treffs on 21.08.19.
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//
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public typealias Family5<A: Component, B: Component, C: Component, D: Component, E: Component> = Family<Requires5<A, B, C, D, E>>
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public struct Requires5<A, B, C, D, E>: FamilyRequirementsManaging where A: Component, B: Component, C: Component, D: Component, E: Component {
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public let componentTypes: [Component.Type]
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public init(_ types: (A.Type, B.Type, C.Type, D.Type, E.Type)) {
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componentTypes = [A.self, B.self, C.self, D.self, E.self]
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}
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public static func components(nexus: Nexus, entityId: EntityIdentifier) -> (A, B, C, D, E) {
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let compA: A = nexus.get(unsafeComponentFor: entityId)
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let compB: B = nexus.get(unsafeComponentFor: entityId)
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let compC: C = nexus.get(unsafeComponentFor: entityId)
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let compD: D = nexus.get(unsafeComponentFor: entityId)
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let compE: E = nexus.get(unsafeComponentFor: entityId)
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return (compA, compB, compC, compD, compE)
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}
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public static func entityAndComponents(nexus: Nexus, entityId: EntityIdentifier) -> (Entity, A, B, C, D, E) {
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let entity = nexus.get(unsafeEntity: entityId)
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let compA: A = nexus.get(unsafeComponentFor: entityId)
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let compB: B = nexus.get(unsafeComponentFor: entityId)
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let compC: C = nexus.get(unsafeComponentFor: entityId)
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let compD: D = nexus.get(unsafeComponentFor: entityId)
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let compE: E = nexus.get(unsafeComponentFor: entityId)
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return (entity, compA, compB, compC, compD, compE)
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}
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}
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extension Nexus {
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// swiftlint:disable function_parameter_count
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public func family<A, B, C, D, E>(
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requiresAll componentA: A.Type,
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_ componentB: B.Type,
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_ componentC: C.Type,
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_ componentD: D.Type,
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_ componentE: E.Type,
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excludesAll excludedComponents: Component.Type...
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) -> Family5<A, B, C, D, E> where A: Component, B: Component, C: Component, D: Component, E: Component {
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return Family5(
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nexus: self,
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requiresAll: (componentA, componentB, componentC, componentD, componentE),
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excludesAll: excludedComponents
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)
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}
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}
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