EnvQueryContext_BlueprintBase.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "EnvironmentQuery/EnvQueryContext.h"
#include "EnvQueryContext_BlueprintBase.generated.h"
 
class AActor;
struct FEnvQueryContextData;
struct FEnvQueryInstance;
 
UCLASS(MinimalAPI, Abstract, Blueprintable)
class UEnvQueryContext_BlueprintBase : public UEnvQueryContext
{
    GENERATED_UCLASS_BODY()
 
    enum ECallMode
    {
        InvalidCallMode,
        SingleActor,
        SingleLocation,
        ActorSet,
        LocationSet
    };
 
    ECallMode CallMode;
 
    // We need to implement GetWorld() so that blueprint functions which use a hidden WorldContextObject* will work properly.
    virtual UWorld* GetWorld() const override;
 
    virtual void ProvideContext(FEnvQueryInstance& QueryInstance, FEnvQueryContextData& ContextData) const override;
 
    UFUNCTION(BlueprintImplementableEvent)
    void ProvideSingleActor(UObject* QuerierObject, AActor* QuerierActor, AActor*& ResultingActor) const;
 
    UFUNCTION(BlueprintImplementableEvent)
    void ProvideSingleLocation(UObject* QuerierObject, AActor* QuerierActor, FVector& ResultingLocation) const;
 
    UFUNCTION(BlueprintImplementableEvent)
    void ProvideActorsSet(UObject* QuerierObject, AActor* QuerierActor, TArray<AActor*>& ResultingActorsSet) const;
 
    UFUNCTION(BlueprintImplementableEvent)
    void ProvideLocationsSet(UObject* QuerierObject, AActor* QuerierActor, TArray<FVector>& ResultingLocationSet) const;
};