Fix missing listener notification in MapX.NewWith (#450)

CHANGELOG.md

@@ -1,5 +1,4 @@
-
-## [[unpublished]](https://github.com/mlange-42/arche/compare/v0.14.1...main)
+## [[v0.14.2]](https://github.com/mlange-42/arche/compare/v0.14.1...v0.14.2)
 
 ### Performance
 
@@ -8,6 +7,11 @@
 ### Documentation
 
 * Fix method names and ordering in benchmark tables (#448)
+* Document listener notification handling in `MapX.NewWith` (#450)
+
+### Bugfixes
+
+* Fix missing listener notification in `MapX.NewWith` when called with a relation target (#450)
 
 ## [[v0.14.1]](https://github.com/mlange-42/arche/compare/v0.14.0...v0.14.1)
 

generic/_generate/map.go.txt

@@ -97,6 +97,7 @@ func (m *Map{{ .Index }}{{ .Types }}) NewBatchQ(count int, target ...ecs.Entity)
 // NewWith creates a new [ecs.Entity] with the Map{{ .Index }}'s components, using the supplied values.
 //
 // The optional argument can be used to set the target [ecs.Entity] for the Map{{ .Index }}'s [ecs.Relation].
+// A potential [ecs.Listener] is notified about the relation target change in a separate event.
 //
 // See also [ecs.NewBuilderWith].
 func (m *Map{{ .Index }}{{ .Types }}) NewWith({{ .Arguments }}, target ...ecs.Entity) ecs.Entity {
@@ -113,8 +114,12 @@ func (m *Map{{ .Index }}{{ .Types }}) NewWith({{ .Arguments }}, target ...ecs.En
 	if !m.hasRelation {
 		panic("map has no relation defined")
 	}
-	entity := m.world.NewEntity(m.ids...)
-	{{ .Assign }}
+	entity := m.world.NewEntityFn(
+			func(entity ecs.Entity) {
+				{{ .Assign }}
+			},
+			m.ids...,
+		)
 	m.world.Relations().Set(entity, m.relation, target[0])
 	return entity
 }