InstancedRendererManager.h

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// Copyright (c) 2025 FrostBit Software Lab at the Lapland University of Applied Sciences
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#pragma once
 
#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "InstancedActor.h"
#include "InstancedActorRenderer.h"
 
#include "InstancedRendererManager.generated.h"
 
UCLASS()
class AGRARSENSE_API AInstancedRendererManager : public AActor
{
    GENERATED_BODY()
 
public:
 
    AInstancedRendererManager(const FObjectInitializer& ObjectInitializer);
 
    virtual void BeginPlay() override;
 
    virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
 
    UFUNCTION(BlueprintCallable)
    bool AddActorToInstancedRendering(AInstancedActor* InstancedActor);
 
    UFUNCTION(BlueprintCallable, Category = "Instanced Renderer Manager")
    bool AppendISM(UInstancedStaticMeshComponent* ISM);
 
    UFUNCTION(BlueprintCallable, Category = "Instanced Renderer Manager")
    bool AppendOrCreateISM(UInstancedStaticMeshComponent* ISM);
 
    UFUNCTION(BlueprintCallable, Category = "Instanced Renderer Manager")
    void SpawnAllInstancesBackToActors();
 
    UFUNCTION(BlueprintCallable, Category = "Instanced Renderer")
    bool SpawnInstanceBackToActor(UInstancedStaticMeshComponent* ISM, int32 Index, bool OnlyTree);
 
    UFUNCTION(BlueprintCallable, Category = "Instanced Renderer")
    void ExportTreesAsCSV();
 
    void DestroyOverlappingInstancesBox(UInstancedStaticMeshComponent* ISM, FBox AreaBox, bool OnlyTrees);
 
    void SetInstancedRendering(bool Visible);
 
    UFUNCTION(BlueprintCallable,Category = "Instanced Renderer Manager")
    TArray<AInstancedActorRenderer*> GetAllInstancedActorRendererActors() const;
 
    UFUNCTION(BlueprintPure, Category = "Instanced Renderer Manager")
    int32 GetTotalInstanceCount();
 
protected:
 
    UPROPERTY(VisibleAnywhere, BlueprintReadWrite)
    TArray<AInstancedActorRenderer*> InstancedRenderers;
 
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly)
    int32 TotalInstanceCount = 0;
 
private:
 
    static AInstancedRendererManager* Instance;
 
};