141 lines
3.1 KiB
C++
141 lines
3.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ComponentSourceInterfaces.h"
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#include "Components/PrimitiveComponent.h"
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#include "Containers/Array.h"
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#include "TargetInterfaces/MaterialProvider.h"
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namespace
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{
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TMap<uint32, TUniquePtr<FComponentTargetFactory>> Factories;
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static int32 FactoryUniqueKeyGenerator = 1;
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}
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int32 AddComponentTargetFactory( TUniquePtr<FComponentTargetFactory> Factory )
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{
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int32 NewFactoryKey = FactoryUniqueKeyGenerator++;
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Factories.Add(NewFactoryKey, MoveTemp(Factory));
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return NewFactoryKey;
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}
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FComponentTargetFactory* FindComponentTargetFactoryByKey(int32 Key)
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{
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TUniquePtr<FComponentTargetFactory>* Found = Factories.Find(Key);
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return (Found != nullptr) ? Found->Get() : nullptr;
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}
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bool RemoveComponentTargetFactoryByKey(int32 Key)
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{
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return Factories.Remove(Key) != 0;
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}
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void RemoveAllComponentTargetFactoryies()
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{
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Factories.Reset();
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}
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bool CanMakeComponentTarget(UActorComponent* Component)
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{
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for ( const auto& FactoryPair : Factories )
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{
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if (FactoryPair.Value->CanBuild(Component) )
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{
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return true;
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}
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}
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return false;
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}
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TUniquePtr<FPrimitiveComponentTarget> MakeComponentTarget(UPrimitiveComponent* Component)
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{
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for (const auto& FactoryPair : Factories)
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{
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if (FactoryPair.Value->CanBuild( Component ) )
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{
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return FactoryPair.Value->Build( Component );
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}
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}
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return {};
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}
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bool FPrimitiveComponentTarget::IsValid() const
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{
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return IsValidChecked(Component) && !Component->IsUnreachable() && Component->IsValidLowLevel();
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}
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AActor* FPrimitiveComponentTarget::GetOwnerActor() const
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{
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return IsValid() ? Component->GetOwner() : nullptr;
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}
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UPrimitiveComponent* FPrimitiveComponentTarget::GetOwnerComponent() const
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{
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return IsValid() ? Component : nullptr;
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}
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void FPrimitiveComponentTarget::SetOwnerVisibility(bool bVisible) const
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{
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if (IsValid())
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{
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Component->SetVisibility(bVisible);
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}
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}
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int32 FPrimitiveComponentTarget::GetNumMaterials() const
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{
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return IsValid() ? Component->GetNumMaterials() : 0;
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}
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UMaterialInterface* FPrimitiveComponentTarget::GetMaterial(int32 MaterialIndex) const
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{
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return IsValid() ? Component->GetMaterial(MaterialIndex) : nullptr;
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}
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void FPrimitiveComponentTarget::GetMaterialSet(FComponentMaterialSet& MaterialSetOut, bool bAssetMaterials) const
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{
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if (IsValid())
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{
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int32 NumMaterials = Component->GetNumMaterials();
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MaterialSetOut.Materials.SetNum(NumMaterials);
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for (int32 k = 0; k < NumMaterials; ++k)
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{
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MaterialSetOut.Materials[k] = Component->GetMaterial(k);
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}
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}
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}
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void FPrimitiveComponentTarget::CommitMaterialSetUpdate(const FComponentMaterialSet& MaterialSet, bool bApplyToAsset)
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{
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check(false); // not implemented
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}
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FTransform FPrimitiveComponentTarget::GetWorldTransform() const
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{
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return IsValid() ? Component->GetComponentTransform() : FTransform::Identity;
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}
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bool FPrimitiveComponentTarget::HitTest(const FRay& WorldRay, FHitResult& OutHit) const
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{
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FVector End = WorldRay.PointAt(HALF_WORLD_MAX);
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if (IsValid() && Component->LineTraceComponent(OutHit, WorldRay.Origin, End, FCollisionQueryParams(SCENE_QUERY_STAT(HitTest), true)))
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{
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return true;
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}
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return false;
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}
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