UE4 記錄

// Fill out your copyright notice in the Description page of Project Settings.

#if WITH_EDITOR
#include "ComponentAssetBroker.h"
#include "Kismet2/BlueprintEditorUtils.h"
#endif
#include "Engine/SimpleConstructionScript.h"
#include "Engine/Blueprint.h"
#include "Engine/SCS_Node.h"
#include "Templates/Casts.h"
#include "Components/StaticMeshComponent.h"
#include "Engine/StaticMesh.h"

void UK::AddBlueprintComponent(UObject* Asset, UBlueprint* Blueprint, FVector Scale3D, FRotator Rotator, bool ShadowEnabled, bool bIsShadow)
{
#if WITH_EDITOR
	TSubclassOf<UActorComponent> ComponentClass = FComponentAssetBrokerage::GetPrimaryComponentForAsset(Asset->GetClass());
	USCS_Node* NewNode = Blueprint->SimpleConstructionScript->CreateNode(ComponentClass);
	FComponentAssetBrokerage::AssignAssetToComponent(NewNode->ComponentTemplate, Asset);
	NewNode->SetVariableName(*Asset->GetName());
	Blueprint->SimpleConstructionScript->AddNode(NewNode);
	FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(Blueprint);
#endif
}

void UK::AddBlueprintActorComponent(UObject * Asset, UBlueprint * Blueprint, FVector Location, FRotator Rotator, FVector Scale3D)
{
#if WITH_EDITOR
	USCS_Node* NewNode = Blueprint->SimpleConstructionScript->CreateNode(UChildActorComponent::StaticClass());
	FComponentAssetBrokerage::AssignAssetToComponent(NewNode->ComponentTemplate, Asset);
	UChildActorComponent* t = Cast<UChildActorComponent>(NewNode->ComponentTemplate);
	t->SetWorldLocation(Location);
	t->SetWorldRotation(Rotator);
	t->SetWorldScale3D(Scale3D);
	Blueprint->SimpleConstructionScript->AddNode(NewNode);
	FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(Blueprint);
#endif
}

FString UK::GetParamModelName(UBlueprint* Blueprint)
{
#if WITH_EDITOR
	TArray<USCS_Node*> nodes = Blueprint->SimpleConstructionScript->GetAllNodes();
	UStaticMeshComponent* ChildTemplate = Cast<UStaticMeshComponent>(nodes[0]->ComponentTemplate);
	FString pname = ChildTemplate->GetStaticMesh()->GetName();
	return pname;
#endif
	return FString();
	//UE_LOG(LogTemp, Error, TEXT("%s"),*pname);
}

TArray<FString> UK::GetBluepirntComponentsName(UBlueprint* Blueprint)
{
#if WITH_EDITOR
	TArray<FString> result;
	TArray<USCS_Node*> nodes = Blueprint->SimpleConstructionScript->GetAllNodes();
	for (USCS_Node* node : nodes)
	{
		UStaticMeshComponent* ChildTemplate = Cast<UStaticMeshComponent>(node->ComponentTemplate);
		FString pname = ChildTemplate->GetStaticMesh()->GetName();
		result.Add(pname);
	}
	return result;
#endif
	TArray<FString> a;
	return a;
	//UE_LOG(LogTemp, Error, TEXT("%s"), "abc");
}