StopSignComponent.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 "SignComponent.h"
#include "Carla/Vehicle/WheeledVehicleAIController.h"
#include "StopSignComponent.generated.h"
 
UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
class CARLA_API UStopSignComponent : public USignComponent
{
  GENERATED_BODY()
 
public:
 
  virtual void InitializeSign(const carla::road::Map &Map) override;
 
private:
 
  void GenerateStopBox(const FTransform BoxTransform,
      const FVector BoxSize);
 
  void GenerateCheckBox(const FTransform BoxTransform,
      float BoxSize);
 
  /// Try to give way to vehicles in the stop
  /// checking the car count in the check boxes
  UFUNCTION(BlueprintCallable)
  void GiveWayIfPossible();
 
  void DelayedGiveWay(float Delay);
 
  UFUNCTION(BlueprintCallable)
  void OnOverlapBeginStopEffectBox(UPrimitiveComponent *OverlappedComp,
      AActor *OtherActor,
      UPrimitiveComponent *OtherComp,
      int32 OtherBodyIndex,
      bool bFromSweep,
      const FHitResult &SweepResult);
 
  UFUNCTION(BlueprintCallable)
  void OnOverlapEndStopEffectBox(UPrimitiveComponent *OverlappedComp,
      AActor *OtherActor,
      UPrimitiveComponent *OtherComp,
      int32 OtherBodyIndex);
 
  UFUNCTION(BlueprintCallable)
  void OnOverlapBeginStopCheckBox(UPrimitiveComponent *OverlappedComp,
      AActor *OtherActor,
      UPrimitiveComponent *OtherComp,
      int32 OtherBodyIndex,
      bool bFromSweep,
      const FHitResult &SweepResult);
 
  UFUNCTION(BlueprintCallable)
  void OnOverlapEndStopCheckBox(UPrimitiveComponent *OverlappedComp,
      AActor *OtherActor,
      UPrimitiveComponent *OtherComp,
      int32 OtherBodyIndex);
 
  void RemoveSameVehicleInBothLists();
 
  UPROPERTY()
  TSet<ACarlaWheeledVehicle*> VehiclesInStop;
 
  UPROPERTY()
  TMap<ACarlaWheeledVehicle*, int> VehiclesToCheck;
};