82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
// Fill out your copyright notice in the Description page of Project Settings.
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#include "Tangible.h"
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#include "TangibleManager.h"
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UlxTangible::UlxTangible()
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{
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}
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void UlxTangible::Init(UlxTangibleManager* tm, int64 id)
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{
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Manager = tm;
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TangibleId = id;
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}
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bool UlxTangible::BlueprintIsTangible(TSubclassOf<AActor> bp) {
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if (bp == nullptr) return true;
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return bp->ImplementsInterface(UlxTangibleInterface::StaticClass());
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}
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void UlxTangible::SetActorBlueprintClass(TSubclassOf<AActor> bp) {
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// If we're already of the right class, do nothing.
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if (ActorBlueprint == bp) {
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return;
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}
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// Sanity check the blueprint. Nullptr is allowed.
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check(BlueprintIsTangible(bp));
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// If there's already an actor, delete it.
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if (CurrentActor != nullptr) {
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// Remove the tangible component. This is probably
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// unnecessary, but it makes it more likely that we'll
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// catch bugs early.
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UlxTangibleComponent* comp = CurrentActor->GetComponentByClass<UlxTangibleComponent>();
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if (comp != nullptr) {
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comp->DestroyComponent();
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}
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// Now destroy the actor itself. According to various
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// documents I've read online, it may be necessary to take
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// further steps to delete the object. Not clear.
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CurrentActor->Destroy();
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}
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// Update the blueprint reference.
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ActorBlueprint = bp;
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// Now create a new actor, unless the BP is nullptr.
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if (ActorBlueprint != nullptr) {
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// Create the actor.
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FActorSpawnParameters params;
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FVector location(0, 0, 0);
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FRotator rotation(0, 0, 0);
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UWorld* w = Manager->GetWorld();
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AActor* a = w->SpawnActor(ActorBlueprint, &location, &rotation, params);
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// Insert a TangibleComponent into the actor.
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UActorComponent* ac = a->AddComponentByClass(UlxTangibleComponent::StaticClass(), false, FTransform::Identity, false);
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UlxTangibleComponent* tc = Cast<UlxTangibleComponent>(ac);
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check(tc != nullptr);
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// Make the tangible point to the actor and vice versa.
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tc->Tangible = this;
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CurrentActor = a;
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}
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}
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FString UlxTangible::GetTangiblePlane(AActor* actor) {
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UlxTangibleComponent* comp = actor->GetComponentByClass<UlxTangibleComponent>();
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check(comp != nullptr);
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return comp->Tangible->Plane;
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}
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void UlxTangible::SetTangiblePlane(AActor* actor, const FString& plane) {
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UlxTangibleComponent* comp = actor->GetComponentByClass<UlxTangibleComponent>();
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check(comp != nullptr);
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comp->Tangible->Plane = plane;
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}
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