88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) <2021> Side Effects Software Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. The name of Side Effects Software may not be used to endorse or
|
|
* promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE "AS IS" AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
|
* NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Components/SceneComponent.h"
|
|
#include "Engine/StaticMesh.h"
|
|
#include "Materials/MaterialInterface.h"
|
|
#include "HoudiniMeshSplitInstancerComponent.generated.h"
|
|
|
|
/**
|
|
* UHoudiniMeshSplitInstancerComponent is used to manage a single static mesh being
|
|
* 'instanced' multiple times by multiple UStaticMeshComponents. This is as opposed to the
|
|
* UInstancedStaticMeshComponent wherein a single mesh is instanced multiple times by one component.
|
|
*/
|
|
|
|
UCLASS()//( config = Engine )
|
|
class HOUDINIENGINERUNTIME_API UHoudiniMeshSplitInstancerComponent : public USceneComponent
|
|
{
|
|
GENERATED_UCLASS_BODY()
|
|
|
|
friend class UHoudiniMeshSplitInstancerComponent_V1;
|
|
|
|
public:
|
|
|
|
virtual void Serialize(FArchive & Ar) override;
|
|
|
|
virtual void OnComponentDestroyed(bool bDestroyingHierarchy) override;
|
|
|
|
static void AddReferencedObjects(UObject * InThis, FReferenceCollector & Collector);
|
|
|
|
// Static Mesh mutator
|
|
void SetStaticMesh(class UStaticMesh* StaticMesh) { InstancedMesh = StaticMesh; }
|
|
|
|
// Static mesh accessor
|
|
class UStaticMesh* GetStaticMesh() const { return InstancedMesh; }
|
|
|
|
// Overide material mutator
|
|
void SetOverrideMaterials(const TArray<class UMaterialInterface*>& InMaterialOverrides) { OverrideMaterials = InMaterialOverrides; }
|
|
|
|
// Destroy existing instances, keeping a given number of them to be reused
|
|
void ClearInstances(int32 NumToKeep);
|
|
|
|
// Set the instances. Transforms are given in local space of this component.
|
|
bool SetInstanceTransforms(const TArray<FTransform>& InstanceTransforms);
|
|
|
|
// Instance Accessor
|
|
TArray<class UStaticMeshComponent*>& GetInstancesForWrite() { return Instances; }
|
|
// const Instance accessor
|
|
const TArray<class UStaticMeshComponent*>& GetInstances() const { return Instances; }
|
|
|
|
TArray<class UMaterialInterface*> GetOverrideMaterials() const { return OverrideMaterials; }
|
|
|
|
private:
|
|
|
|
UPROPERTY(VisibleInstanceOnly, Category = Instances)
|
|
TArray<class UStaticMeshComponent*> Instances;
|
|
|
|
UPROPERTY(VisibleInstanceOnly, Category = Instances)
|
|
TArray<class UMaterialInterface*> OverrideMaterials;
|
|
|
|
UPROPERTY(VisibleAnywhere, Category = Instances)
|
|
class UStaticMesh* InstancedMesh;
|
|
};
|