Expose child actor obtainment function

Author: nxrighthere

API/ChildActorComponent-GetChildActor-T-().md

@@ -0,0 +1,13 @@
+### [UnrealEngine.Framework](./UnrealEngine-Framework.md 'UnrealEngine.Framework').[ChildActorComponent](./ChildActorComponent.md 'UnrealEngine.Framework.ChildActorComponent')
+## ChildActorComponent.GetChildActor<T>() Method
+Gets the child actor  
+```csharp
+public T GetChildActor<T>();
+```
+#### Type parameters
+<a name='UnrealEngine-Framework-ChildActorComponent-GetChildActor-T-()-T'></a>
+`T`  
+  
+#### Returns
+[T](#UnrealEngine-Framework-ChildActorComponent-GetChildActor-T-()-T 'UnrealEngine.Framework.ChildActorComponent.GetChildActor&lt;T&gt;().T')  
+An actor or `null` on failure  

API/ChildActorComponent.md

@@ -8,4 +8,5 @@ Inheritance [System.Object](https://docs.microsoft.com/en-us/dotnet/api/System.O
 ### Constructors
 - [ChildActorComponent(UnrealEngine.Framework.Actor, string, bool, UnrealEngine.Framework.Blueprint)](./ChildActorComponent-ChildActorComponent(Actor_string_bool_Blueprint).md 'UnrealEngine.Framework.ChildActorComponent.ChildActorComponent(UnrealEngine.Framework.Actor, string, bool, UnrealEngine.Framework.Blueprint)')
 ### Methods
+- [GetChildActor<T>()](./ChildActorComponent-GetChildActor-T-().md 'UnrealEngine.Framework.ChildActorComponent.GetChildActor<T>()')
 - [SetChildActor<T>()](./ChildActorComponent-SetChildActor-T-().md 'UnrealEngine.Framework.ChildActorComponent.SetChildActor<T>()')

Content/Tests/Tests.umap

@@ -26,7 +26,7 @@ namespace UnrealEngine.Framework {
 	// Automatically generated
 
 	internal static class Shared {
-		internal const int checksum = 0x2C3;
+		internal const int checksum = 0x2C4;
 		internal static Dictionary<int, IntPtr> userFunctions = new();
 		private const string dynamicTypesAssemblyName = "UnrealEngine.DynamicTypes";
 		private static readonly ModuleBuilder moduleBuilder = AssemblyBuilder.DefineDynamicAssembly(new(dynamicTypesAssemblyName), AssemblyBuilderAccess.RunAndCollect).DefineDynamicModule(dynamicTypesAssemblyName);
@@ -39,7 +39,7 @@ internal static class Shared {
 		private const TypeAttributes delegateTypeAttributes = TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.AnsiClass | TypeAttributes.AutoClass;
 
 		internal static unsafe Dictionary<int, IntPtr> Load(IntPtr* events, IntPtr functions, Assembly pluginAssembly) {
-			int position = 0;
+			int position = 0;
 			IntPtr* buffer = (IntPtr*)functions;
 
 			unchecked {
@@ -635,6 +635,7 @@ internal static unsafe Dictionary<int, IntPtr> Load(IntPtr* events, IntPtr funct
 				int head = 0;
 				IntPtr* childActorComponentFunctions = (IntPtr*)buffer[position++];
 
+				ChildActorComponent.getChildActor = (delegate* unmanaged[Cdecl]<IntPtr, ActorType, IntPtr>)childActorComponentFunctions[head++];
 				ChildActorComponent.setChildActor = (delegate* unmanaged[Cdecl]<IntPtr, ActorType, IntPtr>)childActorComponentFunctions[head++];
 			}
 
@@ -1863,6 +1864,7 @@ unsafe partial class CameraComponent {
 	}
 
 	unsafe partial class ChildActorComponent {
+		internal static delegate* unmanaged[Cdecl]<IntPtr, ActorType, IntPtr> getChildActor;
 		internal static delegate* unmanaged[Cdecl]<IntPtr, ActorType, IntPtr> setChildActor;
 	}
 

Source/Managed/Framework/Codegen.cs

@@ -8563,6 +8563,23 @@ public ChildActorComponent(Actor actor, string name = null, bool setAsRoot = fal
 			Pointer = create(actor.Pointer, Type, name, setAsRoot, blueprint != null ? blueprint.Pointer : IntPtr.Zero);
 		}
 
+		/// <summary>
+		/// Gets the child actor
+		/// </summary>
+		/// <returns>An actor or <c>null</c> on failure</returns>
+		public T GetChildActor<T>() where T : Actor {
+			T actor = FormatterServices.GetUninitializedObject(typeof(T)) as T;
+			IntPtr pointer = getChildActor(Pointer, actor.Type);
+
+			if (pointer != IntPtr.Zero) {
+				actor.Pointer = pointer;
+
+				return actor;
+			}
+
+			return null;
+		}
+
 		/// <summary>
 		/// Sets the child actor
 		/// </summary>

Source/Managed/Framework/Framework.cs

@@ -286,6 +286,14 @@ private void ChildActorsTest() {
 			ChildActorComponent childActorComponent = new(actor, setAsRoot: true);
 			TriggerBox childActor = childActorComponent.SetChildActor<TriggerBox>();
 
+			if (childActor == null) {
+				Debug.Log(LogLevel.Error, "Child actor creation check failed!");
+
+				return;
+			}
+
+			childActor = childActorComponent.GetChildActor<TriggerBox>();
+
 			if (childActor == null) {
 				Debug.Log(LogLevel.Error, "Child actor obtainment check failed!");
 

Source/Managed/Tests/ExternalConsistency.cs

@@ -804,6 +804,7 @@ void UnrealCLR::Module::StartupModule() {
 				int32 head = 0;
 				Shared::Functions[position++] = Shared::ChildActorComponentFunctions;
 
+				Shared::ChildActorComponentFunctions[head++] = (void*)&UnrealCLRFramework::ChildActorComponent::GetChildActor;
 				Shared::ChildActorComponentFunctions[head++] = (void*)&UnrealCLRFramework::ChildActorComponent::SetChildActor;
 
 				checksum += head;

Source/Native/Source/UnrealCLR/Private/UnrealCLR.cpp

@@ -2599,6 +2599,14 @@ namespace UnrealCLRFramework {
 	}
 
 	namespace ChildActorComponent {
+		AActor* GetChildActor(UChildActorComponent* ChildActorComponent, ActorType Type) {
+			AActor* actor = nullptr;
+
+			UNREALCLR_GET_ACTOR_TYPE(Type, Cast<, >(ChildActorComponent->GetChildActor()), actor);
+
+			return actor;
+		}
+
 		AActor* SetChildActor(UChildActorComponent* ChildActorComponent, ActorType Type) {
 			TSubclassOf<AActor> type;
 

Source/Native/Source/UnrealCLR/Private/UnrealCLRFramework.cpp

@@ -838,6 +838,7 @@ namespace UnrealCLRFramework {
 	}
 
 	namespace ChildActorComponent {
+		static AActor* GetChildActor(UChildActorComponent* ChildActorComponent, ActorType Type);
 		static AActor* SetChildActor(UChildActorComponent* ChildActorComponent, ActorType Type);
 	}