48 lines
1.4 KiB
Swift
48 lines
1.4 KiB
Swift
//
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// Nexus+ComponentsBuilder.swift
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//
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//
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// Created by Christian Treffs on 30.07.20.
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//
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#if swift(<5.3)
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@_functionBuilder
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public enum ComponentsBuilderPreview { }
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public typealias ComponentsBuilder = ComponentsBuilderPreview
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#else
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@functionBuilder
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public enum ComponentsBuilder { }
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#endif
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extension ComponentsBuilder {
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public static func buildBlock(_ components: Component...) -> [Component] {
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components
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}
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public struct Context {
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public let index: Int
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}
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}
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extension Nexus {
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@discardableResult
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public func createEntity(@ComponentsBuilder using componentBuilder: () -> Component) -> Entity {
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self.createEntity(with: componentBuilder())
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}
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@discardableResult
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public func createEntity(@ComponentsBuilder using componentBuilder: () -> [Component]) -> Entity {
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self.createEntity(with: componentBuilder())
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}
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@discardableResult
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public func createEntities(count: Int, @ComponentsBuilder using componentBuilder: (ComponentsBuilder.Context) -> Component) -> [Entity] {
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(0..<count).map { self.createEntity(with: componentBuilder(ComponentsBuilder.Context(index: $0))) }
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}
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@discardableResult
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public func createEntities(count: Int, @ComponentsBuilder using componentBuilder: (ComponentsBuilder.Context) -> [Component]) -> [Entity] {
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(0..<count).map { self.createEntity(with: componentBuilder(ComponentsBuilder.Context(index: $0))) }
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}
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}
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