blaster/Source/Blaster/PlayerController/BlasterPlayerController.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/PlayerController.h"
#include "GameFramework/PlayerState.h"
#include "BlasterPlayerController.generated.h"

DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FHighPingDelegate, bool, bPingTooHigh);

/**
 * 
 */
UCLASS()
class BLASTER_API ABlasterPlayerController : public APlayerController
{
	GENERATED_BODY()

public:

	virtual void Tick(float DeltaTime) override;
	virtual void OnPossess(APawn* InPawn) override;
	virtual void ReceivedPlayer() override; // Sync with server clock as soon as possible
	virtual void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;

	void SetDebugMsg1(FString Key, FString Value);
	void SetDebugMsg2(FString Key, FString Value);
	void SetDebugMsg3(FString Key, FString Value);
	void SetDebugMsg4(FString Key, FString Value);
	void SetDebugMsg5(FString Key, FString Value);
	void SetDebugMsg6(FString Key, FString Value);
	void SetDebugMsg7(FString Key, FString Value);
	
	void SetHUDHealth(float Health, float MaxHealth);
	void SetHUDShield(float Shield, float MaxShield);
	void SetHUDScore(float Score);
	void SetHUDDefeats(int32 Defeats);
	void SetHUDWeaponAmmo(int32 Ammo);
	void SetHUDCarriedAmmo(int32 Ammo);
	void SetHUDGrenades(int32 Grenades);
	void SetHUDMatchCountdown(float CountdownTime);
	void SetHUDAnnouncementCountdown(float CountdownTime);

	// Synced with server world clock
	virtual float GetServerTime();

	void OnMatchStateSet(FName State);
	void HandleCooldown();

	float SingleTripTime = 0.f;

	FHighPingDelegate HighPingDelegate;

	void BroadcastElim(APlayerState* Attacker, APlayerState* Victim);
	
protected:
	virtual void SetupInputComponent() override;
	virtual void BeginPlay() override;
	void CheckTimeSync(float DeltaTime);
	void HandleMatchHasStarted();
	void SetHUDTime();
	void PollInit();

	// Sync time between client and server

	// Requests the current server time, passing in the client's time when the request was sent
	UFUNCTION(Server, Reliable)
	void ServerRequestServerTime(float TimeOfClientRequest);

	// Reports the current server time to the client in response to ServerRequestServerTime
	UFUNCTION(Client, Reliable)
	void ClientReportServerTime(float TimeOfClientRequest, float TimeServerReceivedClientRequest);

	// Difference between client and server time
	float ClientServerDelta = 0;

	UPROPERTY(EditAnywhere, Category = Time)
	float TimeSyncFrequency = 5.f;

	float TimeSyncRunningTime = 0.f;

	UFUNCTION(Server, Reliable)
	void ServerCheckMatchState();

	UFUNCTION(Client, Reliable)
	void ClientJoinMidgame(FName StateOfMatch, float Warmup, float Match, float Cooldown, float StartingTime);

	void HighPingWarning();
	void StopHighPingWarning();

	void ShowReturnToMainMenu();

	UFUNCTION(Client, Reliable)
	void ClientElimAnnouncement(APlayerState* Attacker, APlayerState* Victim);
	
private:
	UPROPERTY()
	class UDebugWidget* DebugWidget;
	
	UPROPERTY()
	class ABlasterHUD* BlasterHUD;

	// Return to main menu

	UPROPERTY(EditAnywhere, Category = HUD)
	TSubclassOf<class UUserWidget> ReturnToMainMenuWidget;

	UPROPERTY()
	class UReturnToMainMenu* ReturnToMainMenu;

	bool bReturnToMainMenuOpen = false;
	
	UPROPERTY()
	class ABlasterGameMode* BlasterGameMode;
	
	float LevelStartingTime = 0.f;
	float MatchTime = 0.f;
	float WarmupTime = 0.f;
	float CooldownTime = 0.f;
	uint32 CountdownInt = 0;

	UPROPERTY(ReplicatedUsing=OnRep_MatchState)
	FName MatchState;

	UFUNCTION()
	void OnRep_MatchState();

	UPROPERTY()
	class UCharacterOverlay* CharacterOverlay;

	bool bInitializeHealth = false;
	float HUDHealth;
	float HUDMaxHealth;
	
	bool bInitializeShield = false;
	float HUDShield;
	float HUDMaxShield;
	
	bool bInitializeScore = false;
	float HUDScore;
	
	bool bInitializeDefeats = false;
	int32 HUDDefeats;
	
	bool bInitializeGrenades = false;
	int32 HUDGrenades;

	float bInitializeCarriedAmmo = false;
	float HUDCarriedAmmo;

	float bInitializeWeaponAmmo = false;
	float HUDWeaponAmmo;

	// High Ping Indicator
	
	void CheckPing(float DeltaTime);
	float HighPingRunningTime = 0.f;
	UPROPERTY(EditAnywhere)
	float HighPingDuration = 5.f;
	float PingAnimationRunningTime = 0.f;
	UPROPERTY(EditAnywhere)
	float CheckPingFrequency = 20.f;

	UFUNCTION(Server, Reliable)
	void ServerReportPingStatus(bool bHighPing);
	
	UPROPERTY(EditAnywhere)
	float HighPingThreshold = 50.f;
};