TrafficLightGroup.h

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// Copyright (c) 2020 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// 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 "Components/SceneComponent.h"
#include "TrafficLightComponent.h"
#include "TrafficLightController.h"
#include "TrafficLightGroup.generated.h"
 
class ATrafficLightManager;
 
/// 如果你的类继承自UObject，你的类名上方需要加入 UCLASS() 宏
/// 实现交通信号灯状态改变的类
UCLASS()
class CARLA_API ATrafficLightGroup : public AActor
{
  GENERATED_BODY()
 
public:
  // 设置该参与者属性的默认值
  ATrafficLightGroup();
 
  UFUNCTION(Category = "Traffic Group", BlueprintPure)
  TArray<UTrafficLightController*>& GetControllers()
  {
    return Controllers;
  }
 
  UFUNCTION(Category = "Traffic Group", BlueprintCallable)
  void SetFrozenGroup(bool InFreeze);
 
  UFUNCTION(Category = "Traffic Group", BlueprintCallable)
  bool IsFrozen() const;
 
  UFUNCTION(Category = "Traffic Group", BlueprintPure)
  int GetJunctionId() const;
 
  UFUNCTION(Category = "Traffic Group", BlueprintCallable)
  void ResetGroup();
 
  UFUNCTION(Category = "Traffic Group", BlueprintCallable)
  void AddController(UTrafficLightController* Controller);
 
protected:
  // 每帧调用
  virtual void Tick(float DeltaTime) override;
 
private:
 
  friend ATrafficLightManager;
 
  UPROPERTY(Category = "Traffic Group", VisibleDefaultsOnly, BlueprintReadOnly, meta = (AllowPrivateAccess = "true"))
  USceneComponent *SceneComponent;
 
  UPROPERTY(Category = "Traffic Group", EditAnywhere)
  TArray<UTrafficLightController*> Controllers;
 
  UPROPERTY(Category = "Traffic Group", VisibleAnywhere)
  int CurrentController = 0;
 
  UFUNCTION()
  void NextController();
 
  UPROPERTY(Category = "Traffic Group", EditAnywhere)
  bool bIsFrozen = false;
 
  UPROPERTY(Category = "Traffic Group", EditAnywhere)
  int JunctionId = -1;
};