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unitysamples

// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "AbilitySystemInterface.h"
#include "ModularGameState.h"

#include "LyraGameState.generated.h"

#define UE_API LYRAGAME_API

struct FLyraVerbMessage;

class APlayerState;
class UAbilitySystemComponent;
class ULyraAbilitySystemComponent;
class ULyraExperienceManagerComponent;
class UObject;
struct FFrame;

/**
 * ALyraGameState
 *
 *	The base game state class used by this project.
 */
UCLASS(MinimalAPI, Config = Game)
class ALyraGameState : public AModularGameStateBase, public IAbilitySystemInterface
{
	GENERATED_BODY()

public:

	UE_API ALyraGameState(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());

	//~AActor interface
	UE_API virtual void PreInitializeComponents() override;
	UE_API virtual void PostInitializeComponents() override;
	UE_API virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
	UE_API virtual void Tick(float DeltaSeconds) override;
	//~End of AActor interface

	//~AGameStateBase interface
	UE_API virtual void AddPlayerState(APlayerState* PlayerState) override;
	UE_API virtual void RemovePlayerState(APlayerState* PlayerState) override;
	UE_API virtual void SeamlessTravelTransitionCheckpoint(bool bToTransitionMap) override;
	//~End of AGameStateBase interface

	//~IAbilitySystemInterface
	UE_API virtual UAbilitySystemComponent* GetAbilitySystemComponent() const override;
	//~End of IAbilitySystemInterface

	// Gets the ability system component used for game wide things
	UFUNCTION(BlueprintCallable, Category = "Lyra|GameState")
	ULyraAbilitySystemComponent* GetLyraAbilitySystemComponent() const { return AbilitySystemComponent; }

	// Send a message that all clients will (probably) get
	// (use only for client notifications like eliminations, server join messages, etc... that can handle being lost)
	UFUNCTION(NetMulticast, Unreliable, BlueprintCallable, Category = "Lyra|GameState")
	UE_API void MulticastMessageToClients(const FLyraVerbMessage Message);

	// Send a message that all clients will be guaranteed to get
	// (use only for client notifications that cannot handle being lost)
	UFUNCTION(NetMulticast, Reliable, BlueprintCallable, Category = "Lyra|GameState")
	UE_API void MulticastReliableMessageToClients(const FLyraVerbMessage Message);

	// Gets the server's FPS, replicated to clients
	UE_API float GetServerFPS() const;

	// Indicate the local player state is recording a replay
	UE_API void SetRecorderPlayerState(APlayerState* NewPlayerState);

	// Gets the player state that recorded the replay, if valid
	UE_API APlayerState* GetRecorderPlayerState() const;

	// Delegate called when the replay player state changes
	DECLARE_MULTICAST_DELEGATE_OneParam(FOnRecorderPlayerStateChanged, APlayerState*);
	FOnRecorderPlayerStateChanged OnRecorderPlayerStateChangedEvent;

private:
	// Handles loading and managing the current gameplay experience
	UPROPERTY()
	TObjectPtr<ULyraExperienceManagerComponent> ExperienceManagerComponent;

	// The ability system component subobject for game-wide things (primarily gameplay cues)
	UPROPERTY(VisibleAnywhere, Category = "Lyra|GameState")
	TObjectPtr<ULyraAbilitySystemComponent> AbilitySystemComponent;

protected:
	UPROPERTY(Replicated)
	float ServerFPS;

	// The player state that recorded a replay, it is used to select the right pawn to follow
	// This is only set in replay streams and is not replicated normally
	UPROPERTY(Transient, ReplicatedUsing = OnRep_RecorderPlayerState)
	TObjectPtr<APlayerState> RecorderPlayerState;

	UFUNCTION()
	UE_API void OnRep_RecorderPlayerState();

};

#undef UE_API

	// Copyright Epic Games, Inc. All Rights Reserved.

	#pragma once

	#include "AbilitySystemInterface.h"
	#include "ModularGameState.h"

	#include "LyraGameState.generated.h"

	#define UE_API LYRAGAME_API

	struct FLyraVerbMessage;

	class APlayerState;
	class UAbilitySystemComponent;
	class ULyraAbilitySystemComponent;
	class ULyraExperienceManagerComponent;
	class UObject;
	struct FFrame;

	/**
	* ALyraGameState
	*
	* The base game state class used by this project.
	*/
	UCLASS(MinimalAPI, Config = Game)
	class ALyraGameState : public AModularGameStateBase, public IAbilitySystemInterface
	{
	GENERATED_BODY()

	public:

	UE_API ALyraGameState(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());

	//~AActor interface
	UE_API virtual void PreInitializeComponents() override;
	UE_API virtual void PostInitializeComponents() override;
	UE_API virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
	UE_API virtual void Tick(float DeltaSeconds) override;
	//~End of AActor interface

	//~AGameStateBase interface
	UE_API virtual void AddPlayerState(APlayerState* PlayerState) override;
	UE_API virtual void RemovePlayerState(APlayerState* PlayerState) override;
	UE_API virtual void SeamlessTravelTransitionCheckpoint(bool bToTransitionMap) override;
	//~End of AGameStateBase interface

	//~IAbilitySystemInterface
	UE_API virtual UAbilitySystemComponent* GetAbilitySystemComponent() const override;
	//~End of IAbilitySystemInterface

	// Gets the ability system component used for game wide things
	UFUNCTION(BlueprintCallable, Category = "Lyra\|GameState")
	ULyraAbilitySystemComponent* GetLyraAbilitySystemComponent() const { return AbilitySystemComponent; }

	// Send a message that all clients will (probably) get
	// (use only for client notifications like eliminations, server join messages, etc... that can handle being lost)
	UFUNCTION(NetMulticast, Unreliable, BlueprintCallable, Category = "Lyra\|GameState")
	UE_API void MulticastMessageToClients(const FLyraVerbMessage Message);

	// Send a message that all clients will be guaranteed to get
	// (use only for client notifications that cannot handle being lost)
	UFUNCTION(NetMulticast, Reliable, BlueprintCallable, Category = "Lyra\|GameState")
	UE_API void MulticastReliableMessageToClients(const FLyraVerbMessage Message);

	// Gets the server's FPS, replicated to clients
	UE_API float GetServerFPS() const;

	// Indicate the local player state is recording a replay
	UE_API void SetRecorderPlayerState(APlayerState* NewPlayerState);

	// Gets the player state that recorded the replay, if valid
	UE_API APlayerState* GetRecorderPlayerState() const;

	// Delegate called when the replay player state changes
	DECLARE_MULTICAST_DELEGATE_OneParam(FOnRecorderPlayerStateChanged, APlayerState*);
	FOnRecorderPlayerStateChanged OnRecorderPlayerStateChangedEvent;

	private:
	// Handles loading and managing the current gameplay experience
	UPROPERTY()
	TObjectPtr<ULyraExperienceManagerComponent> ExperienceManagerComponent;

	// The ability system component subobject for game-wide things (primarily gameplay cues)
	UPROPERTY(VisibleAnywhere, Category = "Lyra\|GameState")
	TObjectPtr<ULyraAbilitySystemComponent> AbilitySystemComponent;

	protected:
	UPROPERTY(Replicated)
	float ServerFPS;

	// The player state that recorded a replay, it is used to select the right pawn to follow
	// This is only set in replay streams and is not replicated normally
	UPROPERTY(Transient, ReplicatedUsing = OnRep_RecorderPlayerState)
	TObjectPtr<APlayerState> RecorderPlayerState;

	UFUNCTION()
	UE_API void OnRep_RecorderPlayerState();

	};

	#undef UE_API