290 lines
8.6 KiB
C
290 lines
8.6 KiB
C
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// Fill out your copyright notice in the Description page of Project Settings.
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#pragma once
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#include "CoreMinimal.h"
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#include "UnLuaInterface.h"
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#include "Subsystems/WorldSubsystem.h"
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#include "NiagaraComponent.h"
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#include "NiagaraArrayBatchSubsystem.generated.h"
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class UNiagaraDataChannelHandler_Islands;
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class UNiagaraSystem;
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class UNiagaraComponent;
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template<typename T>
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struct FNiagaraBatchData
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{
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FNiagaraBatchData(uint32 InDataUid, T InData)
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: DataUid(InDataUid)
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, Data(InData)
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{
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}
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uint32 DataUid;
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T Data;
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};
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UENUM(BlueprintType)
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enum class ENiagaraBatchDataType : uint8
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{
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Vector,
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Float,
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Int32,
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Color,
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Quat,
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Bool,
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Vector2D,
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};
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USTRUCT(BlueprintType)
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struct FNiagaraBatchProperty
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{
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GENERATED_BODY()
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ENiagaraBatchDataType Type;
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FName Name;
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};
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struct FNiagaraArrayBatchData
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{
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friend class UNiagaraArrayBatchSubsystem;
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friend struct FNABParticleData;
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friend struct FNABIsland;
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private:
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void ConsumeData();
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private:
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TWeakObjectPtr<UNiagaraComponent> NiagaraComponent;
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TMap<FName, TArray<FNiagaraBatchData<FVector>>> VectorData;
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TMap<FName, TArray<FNiagaraBatchData<float>>> FloatData;
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TMap<FName, TArray<FNiagaraBatchData<int32>>> IntData;
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TMap<FName, TArray<FNiagaraBatchData<FLinearColor>>> ColorData;
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TMap<FName, TArray<FNiagaraBatchData<FQuat>>> QuatData;
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TMap<FName, TArray<FNiagaraBatchData<bool>>> BoolData;
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TMap<FName, TArray<FNiagaraBatchData<FVector2D>>> Vector2DData;
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bool bDirty = false;
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};
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USTRUCT()
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struct FNABIsland
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{
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GENERATED_BODY()
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// UE_NONCOPYABLE(FNABIsland)
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friend class UNiagaraArrayBatchSubsystem;
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public:
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FNABIsland() {};
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~FNABIsland();
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void Init(const FVector& Extent);
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void Tick();
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FORCEINLINE bool Contains(FVector Point) const
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{
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return Bounds.ComputeSquaredDistanceFromBoxToPoint(Point) <= 0.f;
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}
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void OnAcquired(UObject* WorldContext, FVector Location);
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void OnReleased();
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bool IsBeingUsed() const;
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FORCEINLINE bool IsDirty() const
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{
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return Data.bDirty;
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}
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private:
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/** Current bounds of this island. The bounds of any handler systems are modified to match these bounds. */
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UPROPERTY()
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FBoxSphereBounds Bounds = FBoxSphereBounds(EForceInit::ForceInit);
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/** Niagara components spawned for this island. */
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UPROPERTY()
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TWeakObjectPtr<UNiagaraComponent> NiagaraComponent = nullptr;
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UPROPERTY()
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UNiagaraSystem* NiagaraSystem = nullptr;
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/** The underlying storage for this island. */
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FNiagaraArrayBatchData Data;
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uint32 DataUid = 0;
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TWeakObjectPtr<class UNiagaraArrayBatchSubsystem> Subsystem = nullptr;
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};
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USTRUCT()
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struct FNABIslandInfo
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{
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GENERATED_BODY()
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void Tick(float DeltaTime);
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/** All currently active Islands for this channel. */
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UPROPERTY()
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TArray<int32> ActiveIslands;
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/** All currently free Islands for this channel. */
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UPROPERTY()
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TArray<int32> FreeIslands;
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/** Pool of all islands. */
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UPROPERTY()
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TArray<FNABIsland> IslandPool;
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UPROPERTY()
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FVector Extent = FVector(5000.f, 5000.f, 2000.f);
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};
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USTRUCT(BlueprintType)
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struct FNABParticleData
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{
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GENERATED_BODY()
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uint32 ParticleID;
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int32 IslandIndex;
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FNiagaraArrayBatchData* DataPtr;
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TArray<FNiagaraBatchProperty> Propertys;
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public:
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FNABParticleData() : FNABParticleData(0)
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{
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}
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FNABParticleData(uint32 ParticleID) : ParticleID(ParticleID), IslandIndex(0), DataPtr(nullptr)
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{
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}
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FNABParticleData(uint32 ParticleID, int32 IslandIndex, FNiagaraArrayBatchData* DataPtr)
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: ParticleID(ParticleID), IslandIndex(IslandIndex), DataPtr(DataPtr)
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{
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}
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int64 GetUUID();
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TArray<FNiagaraBatchProperty>& GetPropertys();
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FNABParticleData& WriteVector(FName Name, const FVector& Value);
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FNABParticleData& WriteQuat(FName Name, const FQuat& Value);
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FNABParticleData& WriteColor(FName Name, const FLinearColor& Value);
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FNABParticleData& WriteInt(FName Name, int32 Value);
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FNABParticleData& WriteFloat(FName Name, float Value);
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FNABParticleData& WriteBool(FName Name, bool Value);
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};
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/**
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*
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*/
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UCLASS()
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class ZWORLD_API UNiagaraArrayBatchSubsystem : public UTickableWorldSubsystem, public IUnLuaInterface
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{
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GENERATED_BODY()
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virtual FString GetModuleName_Implementation() const override
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{
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return TEXT("BluePrints.Managers.NiagaraArrayBatchSubsystem_C");
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}
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virtual TStatId GetStatId() const override
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{
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RETURN_QUICK_DECLARE_CYCLE_STAT(UNiagaraArrayBatchSubsystem, STATGROUP_Tickables);
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}
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public:
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static const FName ParticleIDName;
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static const FName PositionParamName;
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static const FName RotationParamName;
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static const FName TextureParamName;
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static const FName ColorParamName;
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static const FName DeadTimeName;
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UFUNCTION(BlueprintCallable)
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FNABParticleData WriteNABParticle(UNiagaraSystem* NiagaraAsset, const FVector& Location);
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UFUNCTION(BlueprintCallable)
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void RemoveNABParticle(UNiagaraSystem* NiagaraAsset, int64 DataUid, const TArray<FNiagaraBatchProperty>& Propertys);
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UFUNCTION(BlueprintCallable)
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void WriteNABVector(FNABParticleData& Data, FName Name, const FVector& Value);
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UFUNCTION(BlueprintCallable)
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void WriteNABQuat(FNABParticleData& Data, FName Name, const FQuat& Value);
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UFUNCTION(BlueprintCallable)
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void WriteNABColor(FNABParticleData& Data, FName Name, const FLinearColor& Value);
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UFUNCTION(BlueprintCallable)
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void WriteNABInt(FNABParticleData& Data, FName Name, int32 Value);
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UFUNCTION(BlueprintCallable)
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void WriteNABFloat(FNABParticleData& Data, FName Name, float Value);
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UFUNCTION(BlueprintCallable)
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void WriteNABBool(FNABParticleData& Data, FName Name, bool Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteVector(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, const FVector& Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteFloat(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, float Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteInt(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, int32 Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteColor(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, const FLinearColor& Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteQuat(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, const FQuat& Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteBool(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, bool Value);
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UFUNCTION(BlueprintCallable)
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int64 WriteVector2D(UNiagaraSystem* NiagaraAsset, const FVector& Location, FName Name, const FVector2D& Value);
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UFUNCTION(BlueprintCallable)
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void OverrideVector(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid, const FVector& Value);
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UFUNCTION(BlueprintCallable)
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void OverrideFloat(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid, float Value);
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UFUNCTION(BlueprintCallable)
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void OverrideInt(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid, int32 Value);
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UFUNCTION(BlueprintCallable)
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void OverrideColor(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid, const FLinearColor& Value);
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UFUNCTION(BlueprintCallable)
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void OverrideQuat(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid, const FQuat& Value);
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UFUNCTION(BlueprintCallable)
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void OverrideBool(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid, bool Value);
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UFUNCTION(BlueprintCallable)
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void RemoveVector(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void RemoveFloat(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void RemoveInt(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void RemoveColor(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void RemoveQuat(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void RemoveBool(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void RemoveVector2D(UNiagaraSystem* NiagaraAsset, FName Name, int64 DataUid);
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UFUNCTION(BlueprintCallable)
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void SetNiagaraHidden(const FString& NiagaraFullName, bool bHide, FName HideTag);
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protected:
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virtual void Tick(float DeltaTime) override;
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/** Gets the correct island for the given location. */
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FNABIsland* FindOrCreateIsland(UNiagaraSystem* NiagaraSystem, const FVector& Location, int32& IslandIndex);
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/** Initializes and adds a new island to the ActiveIslands list. Either retrieving from the free pool of existing inactive islands or creating a new one. */
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int32 ActivateNewIsland(UNiagaraSystem* NiagaraSystem, FNABIslandInfo& FNABIslandInfo, FVector Location);
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UFUNCTION(BlueprintImplementableEvent)
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TMap<FString, FVector> GetNiagaraIslandExtents();
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protected:
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UPROPERTY()
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TMap<TWeakObjectPtr<UNiagaraSystem>, FNABIslandInfo> NiagaraIslandInfoMap;
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UPROPERTY()
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TMap<FString, FVector> NiagaraIslandExtentsMap;
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bool bLoadedIslandExtents = false;
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};
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