CarlaLight.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 <compiler/disable-ue4-macros.h>
#include <carla/rpc/LightState.h>
#include <compiler/enable-ue4-macros.h>
 
#include "CoreMinimal.h"
#include "Components/ActorComponent.h"
#include "CarlaLight.generated.h"
 
 
 
#define CARLA_ENUM_FROM_RPC(e) static_cast<uint8>(carla::rpc::LightState::LightGroup:: e)
 
UENUM(BlueprintType)
enum class ELightType : uint8
{
  Null      = 0, // Workarround for UE4.24 issue with enums
  Vehicle   = CARLA_ENUM_FROM_RPC(Vehicle)    UMETA(DisplayName = "Vehicle"),
  Street    = CARLA_ENUM_FROM_RPC(Street)     UMETA(DisplayName = "Street"),
  Building  = CARLA_ENUM_FROM_RPC(Building)   UMETA(DisplayName = "Building"),
  Other     = CARLA_ENUM_FROM_RPC(Other)      UMETA(DisplayName = "Other"),
};
 
#undef CARLA_ENUM_FROM_RPC
 
// Class representing a light in the scene
UCLASS(Blueprintable, BlueprintType, ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
class CARLA_API UCarlaLight : public UActorComponent
{
  GENERATED_BODY()
 
public:
  UCarlaLight();
 
  void BeginPlay() override;
 
  void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
 
  void OnComponentDestroyed(bool bDestroyingHierarchy) override;
 
  UFUNCTION(BlueprintCallable, Category = "Carla Light")
  void RegisterLight();
 
  UFUNCTION(BlueprintImplementableEvent, BlueprintCallable, Category = "Carla Light")
  void UpdateLights();
 
  UFUNCTION(BlueprintImplementableEvent, BlueprintCallable, Category = "Carla Light")
  void RegisterLightWithWeather();
 
  UFUNCTION(BlueprintCallable, Category = "Carla Light")
  void SetLightIntensity(float Intensity);
 
  UFUNCTION(BlueprintPure, Category = "Carla Light")
  float GetLightIntensity() const;
 
  UFUNCTION(BlueprintCallable, Category = "Carla Light")
  void SetLightColor(FLinearColor Color);
 
  UFUNCTION(BlueprintPure, Category = "Carla Light")
  FLinearColor GetLightColor() const;
 
  UFUNCTION(BlueprintCallable, Category = "Carla Light")
  void SetLightOn(bool bOn);
 
  UFUNCTION(BlueprintPure, Category = "Carla Light")
  bool GetLightOn() const;
 
  UFUNCTION(BlueprintCallable, Category = "Carla Light")
  void SetLightType(ELightType Type);
 
  UFUNCTION(BlueprintPure, Category = "Carla Light")
  ELightType GetLightType() const;
 
  carla::rpc::LightState GetLightState();
 
  void SetLightState(carla::rpc::LightState LightState);
 
  FVector GetLocation() const;
 
  UFUNCTION(BlueprintPure, Category = "Carla Light")
  int GetId() const;
 
  UFUNCTION(BlueprintCallable, Category = "Carla Light")
  void SetId(int InId);
 
protected:
 
  UPROPERTY(EditAnywhere, Category = "Carla Light")
  ELightType LightType = ELightType::Street;
 
  UPROPERTY(EditAnywhere, Category = "Carla Light")
  float LightIntensity;
 
  UPROPERTY(EditAnywhere, Category = "Carla Light")
  FLinearColor LightColor;
 
  UPROPERTY(EditAnywhere, Category = "Carla Light")
  bool bLightOn;
 
  UPROPERTY(EditAnywhere, Category = "Carla Light")
  int Id = -1;
 
  private:
 
  void RecordLightChange() const;
 
  bool bRegistered = false;
};