RadarIconWidget.h

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// Copyright Blue Isle Studios Inc 2022. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Blueprint/UserWidget.h"
#include "WeakInterfacePtr.h"
#include "Gameplay/TrackableInterface.h"
#include "Gameplay/HealthInterface.h"
#include "Player/OwnedInterface.h"
#include "RadarIconWidget.generated.h"
 
class UImage;
class UTextBlock;
class URadarWidget;
class UCanvasPanelSlot;
class AProjectXCharacter;
class UProjectXGameInstance;
 
UCLASS()
class PROJECTX_API URadarIconWidget : public UUserWidget
{
    GENERATED_BODY()
 
public:
    UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
    UImage* Blip = nullptr;
    UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
    UImage* UpArrow = nullptr;
    UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
    UImage* DownArrow = nullptr;
    UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
    UTextBlock* Label = nullptr;
    UPROPERTY(Transient, BlueprintReadWrite)
    TWeakObjectPtr<AActor> TrackedActor = nullptr;
    UPROPERTY(Transient, BlueprintReadWrite)
    TWeakObjectPtr<URadarWidget> Radar = nullptr;
    UPROPERTY(BlueprintReadWrite)
    bool bIsTrackedActorDead = false;
    /* Height difference that will cause the actor up or down arrows to be revealed */
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly)
    float ZDistance = 1000.0f;
    /* Colour of own radar dot */
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly)
    FLinearColor SelfColour = FLinearColor(1.0f, 0.964583f, 0.0f, 1.0f);
 
    UFUNCTION(BlueprintNativeEvent, BlueprintCallable)
    void Init();
    UFUNCTION(BlueprintCallable)
    void RemoveIcon();
    UFUNCTION(BlueprintCallable)
    void UpdateIconBasedOnTeam();
    UFUNCTION(BlueprintCallable)
    void UpdateIconBasedOnSquad();
    UFUNCTION(BlueprintCallable)
    void UpdateVisibility();
    UFUNCTION(BlueprintCallable)
    void EvaluateVisibilityAsSelfOrEnemy(AProjectXCharacter* const TrackedCharacter);
    UFUNCTION(BlueprintPure)
    AActor* GetReferenceActor() const;
 
    UFUNCTION()
    void OnActorStopTracking(const AActor* const Actor);
    
    FTimerHandle TickTimerHandle;
private:
    void SlowTick();
    void Tick();
    bool bHasUpdatedPositionOnce = false;
    UCanvasPanelSlot* CanvasSlot = nullptr;
    TWeakInterfacePtr<ITrackableInterface> TrackableInterface = nullptr;
    TWeakInterfacePtr<IHealthInterface> HealthInterface = nullptr;
    TWeakInterfacePtr<IOwnedInterface> OwnedInterface = nullptr;
    APlayerController* OwningPlayer = nullptr;
    UProjectXGameInstance* GameInstance = nullptr;
    FLinearColor SquadmateColour;
};