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Explain the invoke trick as well (#9739)

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SomeTroglodyte 2023-07-04 14:12:30 +02:00 committed by GitHub
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core/src/com/unciv/logic/civilization/NotificationActions.kt
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@ -30,6 +30,13 @@ class LocationAction(internal val location: Vector2) : NotificationAction, IsPar
worldScreen.mapHolder.setCenterPosition(location, selectUnit = false) worldScreen.mapHolder.setCenterPosition(location, selectUnit = false)
} }
companion object { companion object {
/*
These are constructor-like factories to simulate the old LocationAction which stored
several locations (back then in turn there was only one action per Notification).
Example: addNotification("Bob hit alice", LocationAction(bob.position, alice.position), NotificationCategory.War)
This maps to the (String, Sequence<NotificationAction>, NotificationCategory, vararg String)
overload of addNotification through the last invoke below.
*/
operator fun invoke(locations: Sequence<Vector2>): Sequence<LocationAction> = operator fun invoke(locations: Sequence<Vector2>): Sequence<LocationAction> =
locations.map { LocationAction(it) } locations.map { LocationAction(it) }
operator fun invoke(locations: Iterable<Vector2>): Sequence<LocationAction> = operator fun invoke(locations: Iterable<Vector2>): Sequence<LocationAction> =