refactoring

Config/DefaultEngine.ini

@@ -26,7 +26,6 @@ AppliedDefaultGraphicsPerformance=Maximum
 +ActiveGameNameRedirects=(OldGameName="/Script/TP_Blank",NewGameName="/Script/TurnBasedTutorial")
 +ActiveClassRedirects=(OldClassName="TP_BlankGameModeBase",NewClassName="TurnBasedTutorialGameModeBase")
 
-
 [CoreRedirects]
 +PropertyRedirects=(OldName="/Script/TurnBasedTutorial.Trooper.OnPlayersSide",NewName="/Script/TurnBasedTutorial.Trooper.bOnPlayersSide")
 +FunctionRedirects=(OldName="/Script/TurnBasedTutorial.MyPlayerController.MoveHero",NewName="/Script/TurnBasedTutorial.MyPlayerController.MoveTropper")
@@ -39,6 +38,18 @@ AppliedDefaultGraphicsPerformance=Maximum
 +FunctionRedirects=(OldName="/Script/TurnBasedTutorial.Trooper.HighlightEnemy",NewName="/Script/TurnBasedTutorial.Trooper.HighlightAsEnemy")
 +PropertyRedirects=(OldName="/Script/TurnBasedTutorial.Trooper.bIsDying",NewName="/Script/TurnBasedTutorial.Trooper.bIsDead")
 +PropertyRedirects=(OldName="/Script/TurnBasedTutorial.Trooper.bIsDying",NewName="/Script/TurnBasedTutorial.Trooper.bIsDead")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyGameInstanceSubsystem",NewName="/Script/TurnBasedTutorial.SessionsGameInstanceSubsystem")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyMainMenu",NewName="/Script/TurnBasedTutorial.MainMenuWidget")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MySessionListEntryWidget",NewName="/Script/TurnBasedTutorial.SessionListEntryWidget")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MySessionListWidget",NewName="/Script/TurnBasedTutorial.SessionListWidget")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyGameMode",NewName="/Script/TurnBasedTutorial.BattleGameMode")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyGameState",NewName="/Script/TurnBasedTutorial.BattleGameState")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyPawn",NewName="/Script/TurnBasedTutorial.BattlePawn")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyPlayerController",NewName="/Script/TurnBasedTutorial.BattlePlayerController")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyPlayerStart",NewName="/Script/TurnBasedTutorial.BattlePlayerStart")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyPlayerState",NewName="/Script/TurnBasedTutorial.BattlePlayerState")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyExplosion",NewName="/Script/TurnBasedTutorial.Explosion")
++ClassRedirects=(OldName="/Script/TurnBasedTutorial.MyProjectile",NewName="/Script/TurnBasedTutorial.Projectile")
 
 [OnlineSubsystem]
 DefaultPlatformService=Null

Source/TurnBasedTutorial/BattleMode/BattleGameMode.cpp

@@ -1,33 +1,32 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
-#include "MyGameMode.h"
+#include "BattleGameMode.h"
 #include "Kismet/GameplayStatics.h"
-#include "MyPawn.h"
+#include "BattlePawn.h"
-#include "MyGameState.h"
+#include "BattleGameState.h"
-#include "MyPlayerController.h"
+#include "BattlePlayerController.h"
-#include "MyPlayerState.h"
+#include "BattlePlayerState.h"
-#include "SinglePlayerGS.h"
+#include "Trooper/Trooper.h"
-#include "Trooper.h"
+
-
+ABattleGameMode::ABattleGameMode()
-AMyGameMode::AMyGameMode()
     : Super() {
     UE_LOG(LogTemp, Warning, TEXT("GameMode Constructor"));
-    GameStateClass = AMyGameState::StaticClass();
+    GameStateClass = ABattleGameState::StaticClass();
-    PlayerControllerClass = AMyPlayerController::StaticClass();
+    PlayerControllerClass = ABattlePlayerController::StaticClass();
-    PlayerStateClass = AMyPlayerState::StaticClass();
+    PlayerStateClass = ABattlePlayerState::StaticClass();
-    DefaultPawnClass = AMyPawn::StaticClass();
+    DefaultPawnClass = ABattlePawn::StaticClass();
 }
 
-void AMyGameMode::BeginPlay() {
+void ABattleGameMode::BeginPlay() {
     Super::BeginPlay();
 }
 
-auto AMyGameMode::GetMyGameState() const {
+auto ABattleGameMode::GetMyGameState() const {
-    return GetGameState<AMyGameState>();
+    return GetGameState<ABattleGameState>();
 }
 
 
-void AMyGameMode::InitializeBattleField_Implementation() {
+void ABattleGameMode::InitializeBattleField_Implementation() {
     UE_LOG(LogTemp, Warning, TEXT("InitializeBattleField"));
     FVector Location(2000.0f, -1000.0f, 0.0f);
     FRotator Rotation(0.0f, 180.0f, 0.0f);
@@ -87,7 +86,7 @@ void AMyGameMode::InitializeBattleField_Implementation() {
     }
 }
 
-AActor *AMyGameMode::ChoosePlayerStart_Implementation(AController *Player) {
+AActor *ABattleGameMode::ChoosePlayerStart_Implementation(AController *Player) {
     UE_LOG(LogTemp, Warning, TEXT("GameMode ChoosePlayerStart %d"),
            GetNumPlayers());
     InitializeSpawnPointsIfNeeded(Player);
@@ -97,7 +96,7 @@ AActor *AMyGameMode::ChoosePlayerStart_Implementation(AController *Player) {
     return CurrentPlayerStart;
 }
 
-void AMyGameMode::InitializeSpawnPointsIfNeeded(AController *Player) {
+void ABattleGameMode::InitializeSpawnPointsIfNeeded(AController *Player) {
     UE_LOG(LogTemp, Warning, TEXT("InitializeSpawnPointsIfNeeded"));
     if (SpawnPoints.Num() != 0) {
         UE_LOG(LogTemp, Warning, TEXT("InitializeSpawnPointsIfNeeded Exit %d"),
@@ -106,7 +105,7 @@ void AMyGameMode::InitializeSpawnPointsIfNeeded(AController *Player) {
     }
     UE_LOG(LogTemp, Warning, TEXT("Rebuilding spawnpoints"));
     const auto World = GetWorld();
-    for (TActorIterator<AMyPlayerStart> PlayerStartIterator(GetWorld());
+    for (TActorIterator<ABattlePlayerStart> PlayerStartIterator(GetWorld());
          PlayerStartIterator; ++PlayerStartIterator) {
         const auto PlayerStart = *PlayerStartIterator;
         const UClass *PawnClass = GetDefaultPawnClassForController(Player);
@@ -127,7 +126,7 @@ void AMyGameMode::InitializeSpawnPointsIfNeeded(AController *Player) {
     }
 }
 
-void AMyGameMode::PostLogin(APlayerController *NewPlayer) {
+void ABattleGameMode::PostLogin(APlayerController *NewPlayer) {
     Super::PostLogin(NewPlayer);
     NewPlayer->SetShowMouseCursor(true);
     UE_LOG(LogTemp, Warning, TEXT("PostLogin"));
@@ -136,7 +135,7 @@ void AMyGameMode::PostLogin(APlayerController *NewPlayer) {
     const auto CurrentNumberOfPlayers = GetNumPlayers();
 
     // 0-indexation
-    Cast<AMyPlayerController>(NewPlayer)->SetPlayerIndex(
+    Cast<ABattlePlayerController>(NewPlayer)->SetPlayerIndex(
         CurrentNumberOfPlayers - 1);
     UE_LOG(LogTemp, Warning, TEXT("%d"), CurrentNumberOfPlayers);
     if (CurrentNumberOfPlayers == 2) {
@@ -154,7 +153,7 @@ void AMyGameMode::PostLogin(APlayerController *NewPlayer) {
     }
 }
 
-void AMyGameMode::StartGame_Implementation() {
+void ABattleGameMode::StartGame_Implementation() {
     InitializeBattleField();
     // PlayerNotInTurn()->SetEnemySelection(Troopers);
     // PlayerInTurn()->SetEnemySelection(Troopers);

Source/TurnBasedTutorial/BattleMode/BattleGameMode.h

@@ -4,17 +4,16 @@
 
 #include "CoreMinimal.h"
 #include "EngineUtils.h"
-// #include "MyPlayerController.h"
+#include "BattlePlayerStart.h"
-#include "MyPlayerStart.h"
 #include "GameFramework/GameMode.h"
-#include "MyGameMode.generated.h"
+#include "BattleGameMode.generated.h"
 
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyGameMode : public AGameMode {
+class TURNBASEDTUTORIAL_API ABattleGameMode : public AGameMode {
     GENERATED_BODY()
 
 public:
-    AMyGameMode();
+    ABattleGameMode();
 
     virtual AActor *
     ChoosePlayerStart_Implementation(AController *Player) override;
@@ -40,7 +39,7 @@ protected:
     void InitializeBattleField();
 
     UPROPERTY()
-    TMap<uint8, AMyPlayerStart *> SpawnPoints{};
+    TMap<uint8, ABattlePlayerStart *> SpawnPoints{};
 
     // UPROPERTY()
     // mutable TArray<ATrooper *> Troopers;

Source/TurnBasedTutorial/BattleMode/BattleGameState.cpp

@@ -1,26 +1,27 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
-#include "MyGameState.h"
+#include "BattleGameState.h"
 
 // #include "GameOverWidget.h"
-#include "MyPlayerState.h"
+#include "BattlePlayerState.h"
-#include "Trooper.h"
+#include "Trooper/Trooper.h"
 #include "Blueprint/UserWidget.h"
 #include "Net/UnrealNetwork.h"
 
-auto AMyGameState::GetMyPlayerState(uint8 PlayerIndex) const {
+auto ABattleGameState::GetMyPlayerState(uint8 PlayerIndex) const {
-    return Cast<AMyPlayerState>(PlayerArray[PlayerIndex]);
+    return Cast<ABattlePlayerState>(PlayerArray[PlayerIndex]);
 }
 
-AMyGameState::AMyGameState() : Super() {
+ABattleGameState::ABattleGameState()
+    : Super() {
 }
 
-void AMyGameState::BeginPlay() {
+void ABattleGameState::BeginPlay() {
     Super::BeginPlay();
     LivingTroopersCount.SetNum(2);
 }
 
-void AMyGameState::AddTrooper_Implementation(ATrooper *Trooper) {
+void ABattleGameState::AddTrooper_Implementation(ATrooper *Trooper) {
     if (Trooper->GetPlayerIndex() >= 0 && Trooper->GetPlayerIndex() <=
         LivingTroopersCount.Num()) {
         if (LivingTroopersCount.Num() < 2) {
@@ -31,14 +32,14 @@ void AMyGameState::AddTrooper_Implementation(ATrooper *Trooper) {
     Troopers.Add(Trooper);
 }
 
-void AMyGameState::StartGame_Implementation() {
+void ABattleGameState::StartGame_Implementation() {
     // PlayerNotInTurn()->SetEnemySelection();
     PlayerInTurn()->SetEnemySelection();
     bGameStarted = true;
     PlayerInTurn()->StartTurn();
 }
 
-void AMyGameState::CycleTurns_Implementation() {
+void ABattleGameState::CycleTurns_Implementation() {
     PlayerInTurn()->EndTurn();
     for (const auto Trooper : Troopers) {
         if (Trooper != nullptr) {
@@ -62,27 +63,27 @@ void AMyGameState::CycleTurns_Implementation() {
 //     }
 // }
 
-AMyPlayerState *AMyGameState::PlayerInTurn() const {
+ABattlePlayerState *ABattleGameState::PlayerInTurn() const {
     return GetMyPlayerState(CurrentPlayerTurn);
 }
 
-AMyPlayerState *AMyGameState::PlayerNotInTurn() const {
+ABattlePlayerState *ABattleGameState::PlayerNotInTurn() const {
     return GetMyPlayerState(!CurrentPlayerTurn);
 }
 
-TArray<ATrooper *> AMyGameState::GetTroopers() const {
+TArray<ATrooper *> ABattleGameState::GetTroopers() const {
     return Troopers;
 }
 
-bool AMyGameState::IsInTurn(uint8 PlayerIndex) const {
+bool ABattleGameState::IsInTurn(uint8 PlayerIndex) const {
     return PlayerIndex == CurrentPlayerTurn;
 }
 
-bool AMyGameState::IsGameStarted() const {
+bool ABattleGameState::IsGameStarted() const {
     return bGameStarted;
 }
 
-void AMyGameState::DecreaseLivingTroopers(int PlayerIndex) {
+void ABattleGameState::DecreaseLivingTroopers(int PlayerIndex) {
     if (bGameIsOver)
         return;
     LivingTroopersCount[PlayerIndex]--;
@@ -96,10 +97,10 @@ void AMyGameState::DecreaseLivingTroopers(int PlayerIndex) {
     }
 }
 
-void AMyGameState::GameOver(int PlayerIndexLose) const {
+void ABattleGameState::GameOver(int PlayerIndexLose) const {
-    Cast<AMyPlayerState>(PlayerArray[0])->GameOver(PlayerIndexLose);
+    Cast<ABattlePlayerState>(PlayerArray[0])->GameOver(PlayerIndexLose);
     if (bIsMultiplayer) {
-        Cast<AMyPlayerState>(PlayerArray[1])->GameOver(PlayerIndexLose);
+        Cast<ABattlePlayerState>(PlayerArray[1])->GameOver(PlayerIndexLose);
     }
 }
 
@@ -111,10 +112,10 @@ void AMyGameState::GameOver(int PlayerIndexLose) const {
 // }
 
 
-void AMyGameState::GetLifetimeReplicatedProps(
+void ABattleGameState::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
-    DOREPLIFETIME(AMyGameState, Troopers);
+    DOREPLIFETIME(ABattleGameState, Troopers);
-    DOREPLIFETIME(AMyGameState, CurrentPlayerTurn);
+    DOREPLIFETIME(ABattleGameState, CurrentPlayerTurn);
-    DOREPLIFETIME(AMyGameState, bGameStarted);
+    DOREPLIFETIME(ABattleGameState, bGameStarted);
 }

Source/TurnBasedTutorial/BattleMode/BattleGameState.h

@@ -3,19 +3,19 @@
 #pragma once
 
 #include "CoreMinimal.h"
-#include "MyPlayerState.h"
+#include "BattlePlayerState.h"
 #include "GameFramework/GameState.h"
-#include "MyGameState.generated.h"
+#include "BattleGameState.generated.h"
 
 /**
  * 
  */
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyGameState : public AGameState {
+class TURNBASEDTUTORIAL_API ABattleGameState : public AGameState {
     GENERATED_BODY()
 
 public:
-    AMyGameState();
+    ABattleGameState();
 
     virtual void BeginPlay() override;
 
@@ -29,10 +29,10 @@ public:
     virtual void CycleTurns();
 
     UFUNCTION(BlueprintPure)
-    AMyPlayerState *PlayerInTurn() const;
+    ABattlePlayerState *PlayerInTurn() const;
 
     UFUNCTION(BlueprintPure)
-    AMyPlayerState *PlayerNotInTurn() const;
+    ABattlePlayerState *PlayerNotInTurn() const;
 
     UFUNCTION()
     TArray<ATrooper *> GetTroopers() const;

Source/TurnBasedTutorial/BattleMode/BattlePawn.cpp

@@ -1,35 +1,34 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
 
-#include "MyPawn.h"
+#include "BattlePawn.h"
 
 
 // Sets default values
-AMyPawn::AMyPawn() {
+ABattlePawn::ABattlePawn() {
     // Set this pawn to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
     PrimaryActorTick.bCanEverTick = true;
 }
 
 // Called when the game starts or when spawned
-void AMyPawn::BeginPlay() {
+void ABattlePawn::BeginPlay() {
     Super::BeginPlay();
 }
 
-void AMyPawn::MoveForward(float Val) {
+void ABattlePawn::MoveForward(float Val) {
-    if (Val != 0.f)
+    if (Val != 0.f) {
-    {
+        if (Controller) {
-        if (Controller)
-        {
             FRotator ControlSpaceRot = Controller->GetControlRotation();
             ControlSpaceRot.Pitch = 0;
 
             // transform to world space and add it
-            AddMovementInput( FRotationMatrix(ControlSpaceRot).GetScaledAxis( EAxis::X ), Val );
+            AddMovementInput(
+                FRotationMatrix(ControlSpaceRot).GetScaledAxis(EAxis::X), Val);
         }
     }
 }
 
 // Called to bind functionality to input
-void AMyPawn::SetupPlayerInputComponent(UInputComponent *PlayerInputComponent) {
+void ABattlePawn::SetupPlayerInputComponent(UInputComponent *PlayerInputComponent) {
     Super::SetupPlayerInputComponent(PlayerInputComponent);
 }

Source/TurnBasedTutorial/BattleMode/BattlePawn.h

@@ -3,17 +3,16 @@
 #pragma once
 
 #include "CoreMinimal.h"
-#include "GameFramework/Pawn.h"
 #include "GameFramework/SpectatorPawn.h"
-#include "MyPawn.generated.h"
+#include "BattlePawn.generated.h"
 
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyPawn : public ASpectatorPawn {
+class TURNBASEDTUTORIAL_API ABattlePawn : public ASpectatorPawn {
     GENERATED_BODY()
 
 public:
     // Sets default values for this pawn's properties
-    AMyPawn();
+    ABattlePawn();
 
 protected:
     // Called when the game starts or when spawned
@@ -22,7 +21,6 @@ protected:
     virtual void MoveForward(float Val) override;
 
 public:
-
     // Called to bind functionality to input
     virtual void SetupPlayerInputComponent(
         class UInputComponent *PlayerInputComponent) override;

Source/TurnBasedTutorial/BattleMode/BattlePlayerController.cpp

@@ -1,31 +1,31 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
-#include "MyPlayerController.h"
+#include "BattlePlayerController.h"
 #include "Kismet/GameplayStatics.h"
-#include "MyGameMode.h"
+#include "BattleGameMode.h"
-#include "MyGameState.h"
+#include "BattleGameState.h"
-#include "MyPlayerState.h"
+#include "BattlePlayerState.h"
 #include "Blueprint/UserWidget.h"
 #include "Net/UnrealNetwork.h"
 
-AMyPlayerController::AMyPlayerController()
+ABattlePlayerController::ABattlePlayerController()
     : Super()/*, bIsMyTurn(false), SelectedTrooper(nullptr)*/ {
     UE_LOG(LogTemp, Warning, TEXT("Player controller created"));
     SetShowMouseCursor(true);
     PlayerIndex = 0;
 }
 
-void AMyPlayerController::BeginPlay() {
+void ABattlePlayerController::BeginPlay() {
     Super::BeginPlay();
     UUserWidget *CreatedWidget = CreateWidget<UUserWidget>(
         GetWorld(), WidgetClass);
     CreatedWidget->AddToViewport();
 }
 
-void AMyPlayerController::SetupInputComponent() {
+void ABattlePlayerController::SetupInputComponent() {
     Super::SetupInputComponent();
     InputComponent->BindAction("MyAction", IE_Pressed, this,
-                               &AMyPlayerController::OnLeftMouseClick);
+                               &ABattlePlayerController::OnLeftMouseClick);
 }
 
 // void AMyPlayerController::SetMyTurn(bool bMyTurn) {
@@ -44,22 +44,22 @@ void AMyPlayerController::SetupInputComponent() {
 //     UE_LOG(LogTemp, Warning, TEXT("Your turn, %d"), PlayerIndex);
 // }
 
-auto AMyPlayerController::GetMyGameState() const {
+auto ABattlePlayerController::GetMyGameState() const {
-    return Cast<AMyGameState>(UGameplayStatics::GetGameState(GetWorld()));
+    return Cast<ABattleGameState>(UGameplayStatics::GetGameState(GetWorld()));
 }
 
-auto AMyPlayerController::GetMyPlayerState() const {
+auto ABattlePlayerController::GetMyPlayerState() const {
-    return GetPlayerState<AMyPlayerState>();
+    return GetPlayerState<ABattlePlayerState>();
 }
 
 
-auto AMyPlayerController::GetMyGameMode() const {
+auto ABattlePlayerController::GetMyGameMode() const {
-    return Cast<AMyGameMode>(
+    return Cast<ABattleGameMode>(
         UGameplayStatics::GetGameMode(GetWorld()));
 }
 
 
-void AMyPlayerController::EndTurn_Implementation() {
+void ABattlePlayerController::EndTurn_Implementation() {
     // if (GetMyPlayerState()->IsMyTurn()) {
     //     GetMyGameState()->CycleTurns();
     // }
@@ -136,14 +136,14 @@ void AMyPlayerController::EndTurn_Implementation() {
 //     }
 // }
 
-void AMyPlayerController::SetPlayerIndex(uint8 NewPlayerIndex) {
+void ABattlePlayerController::SetPlayerIndex(uint8 NewPlayerIndex) {
     PlayerIndex = NewPlayerIndex;
 
     GetMyPlayerState()->SetPlayerIndex(NewPlayerIndex);
     // GetMyPlayerState()->PlayerIndex = NewPlayerIndex;
 }
 
-uint8 AMyPlayerController::GetPlayerIndex() const {
+uint8 ABattlePlayerController::GetPlayerIndex() const {
     return PlayerIndex;
 }
 
@@ -191,16 +191,16 @@ uint8 AMyPlayerController::GetPlayerIndex() const {
 //     }
 // }
 
-void AMyPlayerController::GetLifetimeReplicatedProps(
+void ABattlePlayerController::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
-    DOREPLIFETIME(AMyPlayerController, PlayerIndex);
+    DOREPLIFETIME(ABattlePlayerController, PlayerIndex);
     // DOREPLIFETIME(AMyPlayerController, CurrentAction);
     // DOREPLIFETIME(AMyPlayerController, bIsMyTurn);
     // DOREPLIFETIME(AMyPlayerController, SelectedTrooper);
 }
 
-void AMyPlayerController::OnLeftMouseClick() {
+void ABattlePlayerController::OnLeftMouseClick() {
     if (!GetMyPlayerState()->IsMyTurn()) {
         return;
     }

Source/TurnBasedTutorial/BattleMode/BattlePlayerController.h

@@ -3,12 +3,12 @@
 
 #include "CoreMinimal.h"
 #include "GameFramework/PlayerController.h"
-#include "MyPlayerController.generated.h"
+#include "BattlePlayerController.generated.h"
 
 // DECLARE_DYNAMIC_DELEGATE_OneParam(FOnMyTurnChangedDelegate, bool, bMyTurn);
 
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyPlayerController : public APlayerController {
+class TURNBASEDTUTORIAL_API ABattlePlayerController : public APlayerController {
     GENERATED_BODY()
 
 public:
@@ -18,7 +18,7 @@ public:
 
     virtual void SetupInputComponent() override;
 
-    AMyPlayerController();
+    ABattlePlayerController();
 
     UFUNCTION(BlueprintCallable, Server, Reliable)
     void EndTurn();

Source/TurnBasedTutorial/BattleMode/BattlePlayerStart.cpp

@@ -1,8 +1,8 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
 
-#include "MyPlayerStart.h"
+#include "BattlePlayerStart.h"
 
-uint8 AMyPlayerStart::GetPlayerIndex() const {
+uint8 ABattlePlayerStart::GetPlayerIndex() const {
     return PlayerIndex;
 }

Source/TurnBasedTutorial/BattleMode/BattlePlayerStart.h

@@ -4,13 +4,13 @@
 
 #include "CoreMinimal.h"
 #include "GameFramework/PlayerStart.h"
-#include "MyPlayerStart.generated.h"
+#include "BattlePlayerStart.generated.h"
 
 /**
  * 
  */
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyPlayerStart : public APlayerStart {
+class TURNBASEDTUTORIAL_API ABattlePlayerStart : public APlayerStart {
     GENERATED_BODY()
 
 public:

Source/TurnBasedTutorial/BattleMode/BattlePlayerState.cpp

@@ -1,23 +1,23 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
-#include "MyPlayerState.h"
+#include "BattlePlayerState.h"
 
 #include "GameOverWidget.h"
-#include "MyGameState.h"
+#include "BattleGameState.h"
 #include "Kismet/GameplayStatics.h"
 #include "Net/UnrealNetwork.h"
 
-AMyPlayerState::AMyPlayerState()
+ABattlePlayerState::ABattlePlayerState()
     : Super(), bIsMyTurn(false), SelectedTrooper(nullptr) {
     // PrimaryActorTick.bCanEverTick = true;
 }
 
-void AMyPlayerState::BeginPlay() {
+void ABattlePlayerState::BeginPlay() {
     Super::BeginPlay();
 }
 
-auto AMyPlayerState::GetMyGameState() const {
+auto ABattlePlayerState::GetMyGameState() const {
-    return Cast<AMyGameState>(GetWorld()->GetGameState());
+    return Cast<ABattleGameState>(GetWorld()->GetGameState());
 }
 
 // void AMyPlayerState::Tick(float DeltaSeconds) {
@@ -35,18 +35,18 @@ auto AMyPlayerState::GetMyGameState() const {
 //     }
 // }
 
-void AMyPlayerState::SetPlayerIndex(uint8 NewPlayerIndex) {
+void ABattlePlayerState::SetPlayerIndex(uint8 NewPlayerIndex) {
     PlayerIndex = NewPlayerIndex;
 }
 
-void AMyPlayerState::GameOver_Implementation(int PlayerLoseIndex) {
+void ABattlePlayerState::GameOver_Implementation(int PlayerLoseIndex) {
     UGameOverWidget *CreatedWidget = CreateWidget<UGameOverWidget>(
         GetWorld(), GameOverWidgetClass);
     CreatedWidget->AddToViewport();
     CreatedWidget->SetWidgetText(PlayerLoseIndex != PlayerIndex);
 }
 
-void AMyPlayerState::SetEnemySelection_Implementation(
+void ABattlePlayerState::SetEnemySelection_Implementation(
     /*const TArray<AActor *> &Troopers*/) const {
     TArray<AActor *> Troopers;
     UGameplayStatics::GetAllActorsOfClass(GetWorld(),
@@ -60,7 +60,7 @@ void AMyPlayerState::SetEnemySelection_Implementation(
     }
 }
 
-void AMyPlayerState::MoveTrooper_Implementation(ATrooper *Trooper,
+void ABattlePlayerState::MoveTrooper_Implementation(ATrooper *Trooper,
                                                 FVector Location) {
     Location.Z = 0.0f;
     if (Trooper->CheckMoveCorrectness(Location)) {
@@ -86,7 +86,7 @@ void AMyPlayerState::MoveTrooper_Implementation(ATrooper *Trooper,
 //     }
 // }
 
-void AMyPlayerState::Attack_Implementation(ATrooper *Attacker,
+void ABattlePlayerState::Attack_Implementation(ATrooper *Attacker,
                                            FVector Location,
                                            int ActionIndex) {
     if (Attacker->CheckAttackCorrectness(Location, ActionIndex)) {
@@ -110,11 +110,11 @@ void AMyPlayerState::Attack_Implementation(ATrooper *Attacker,
 //     }
 // }
 
-bool AMyPlayerState::IsMyTurn() const {
+bool ABattlePlayerState::IsMyTurn() const {
     return bIsMyTurn;
 }
 
-void AMyPlayerState::SetMyTurn(bool bMyTurn) {
+void ABattlePlayerState::SetMyTurn(bool bMyTurn) {
     bIsMyTurn = bMyTurn;
     if (bIsMyTurn) {
         GEngine->AddOnScreenDebugMessage(-1, 3.0f, FColor::Green,
@@ -124,12 +124,12 @@ void AMyPlayerState::SetMyTurn(bool bMyTurn) {
     }
 }
 
-void AMyPlayerState::StartTurn_Implementation() {
+void ABattlePlayerState::StartTurn_Implementation() {
     SetMyTurn(true);
     UE_LOG(LogTemp, Warning, TEXT("Your turn, %d"), PlayerIndex);
 }
 
-void AMyPlayerState::EndTurn_Implementation() {
+void ABattlePlayerState::EndTurn_Implementation() {
     if (bIsMyTurn) {
         UE_LOG(LogTemp, Warning, TEXT("End Turn from player %d"),
                PlayerIndex);
@@ -145,7 +145,7 @@ void AMyPlayerState::EndTurn_Implementation() {
     }
 }
 
-void AMyPlayerState::OnPlayerAction(const FHitResult &HitResult) {
+void ABattlePlayerState::OnPlayerAction(const FHitResult &HitResult) {
     auto const NewlySelectedLocation = HitResult.Location;
     ATrooper *NewlySelectedTrooper = Cast<ATrooper>(
         HitResult.GetActor());
@@ -194,7 +194,7 @@ void AMyPlayerState::OnPlayerAction(const FHitResult &HitResult) {
     }
 }
 
-void AMyPlayerState::SetCurrentAction_Implementation(int Action) {
+void ABattlePlayerState::SetCurrentAction_Implementation(int Action) {
     CurrentAction = Action;
     if (SelectedTrooper) {
         SelectedTrooper->UpdateSelectionRadius(Action);
@@ -204,16 +204,16 @@ void AMyPlayerState::SetCurrentAction_Implementation(int Action) {
                "with index %d"), CurrentAction, PlayerIndex);
 }
 
-uint8 AMyPlayerState::GetPlayerIndex() const {
+uint8 ABattlePlayerState::GetPlayerIndex() const {
     return PlayerIndex;
 }
 
-void AMyPlayerState::GetLifetimeReplicatedProps(
+void ABattlePlayerState::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
-    DOREPLIFETIME(AMyPlayerState, PlayerIndex);
+    DOREPLIFETIME(ABattlePlayerState, PlayerIndex);
-    DOREPLIFETIME(AMyPlayerState, CurrentAction);
+    DOREPLIFETIME(ABattlePlayerState, CurrentAction);
-    DOREPLIFETIME(AMyPlayerState, bIsMyTurn);
+    DOREPLIFETIME(ABattlePlayerState, bIsMyTurn);
-    DOREPLIFETIME(AMyPlayerState, SelectedTrooper);
+    DOREPLIFETIME(ABattlePlayerState, SelectedTrooper);
-    DOREPLIFETIME(AMyPlayerState, bIsSelectionInitialized);
+    DOREPLIFETIME(ABattlePlayerState, bIsSelectionInitialized);
 }

Source/TurnBasedTutorial/BattleMode/BattlePlayerState.h

@@ -2,20 +2,20 @@
 
 #pragma once
 
-#include "Trooper.h"
+#include "Trooper/Trooper.h"
 #include "CoreMinimal.h"
 #include "GameFramework/PlayerState.h"
-#include "MyPlayerState.generated.h"
+#include "BattlePlayerState.generated.h"
 
 /**
  * 
  */
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyPlayerState : public APlayerState {
+class TURNBASEDTUTORIAL_API ABattlePlayerState : public APlayerState {
     GENERATED_BODY()
 
 public:
-    AMyPlayerState();
+    ABattlePlayerState();
 
     virtual void BeginPlay() override;
 

Source/TurnBasedTutorial/BattleMode/GameOverWidget.cpp

@@ -0,0 +1,29 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#include "GameOverWidget.h"
+#include "../SessionsGameInstanceSubsystem.h"
+#include "Components/Button.h"
+#include "Components/TextBlock.h"
+#include "Kismet/GameplayStatics.h"
+
+
+void UGameOverWidget::NativeConstruct() {
+    ButtonToMenu->OnClicked.AddDynamic(this, &ThisClass::QuitCurrentSession);
+}
+
+void UGameOverWidget::QuitCurrentSession_Implementation() {
+    const UGameInstance *GameInstance = UGameplayStatics::GetGameInstance(
+        GetWorld());
+    USessionsGameInstanceSubsystem *GameInstanceSubsystem = GameInstance->GetSubsystem
+        <USessionsGameInstanceSubsystem>();
+    GameInstanceSubsystem->QuitCurrentSession();
+}
+
+
+void UGameOverWidget::SetWidgetText_Implementation(bool HasWon) {
+    if (HasWon) {
+        GameOverText->SetText(FText::FromString("You won!"));
+    } else {
+        GameOverText->SetText(FText::FromString("You lose!"));
+    }
+}

Source/TurnBasedTutorial/BattleMode/GameOverWidget.h

@@ -19,7 +19,7 @@ public:
     UFUNCTION(Client, Reliable)
     void SetWidgetText(bool HasWon);
 
-    UFUNCTION()
+    UFUNCTION(Client, Reliable)
     void QuitCurrentSession();
 
 protected:

Source/TurnBasedTutorial/BattleMode/Singleplayer/SinglePlayerGM.cpp

@@ -3,7 +3,8 @@
 #include "SinglePlayerGM.h"
 #include "SinglePlayerGS.h"
 
-ASinglePlayerGM::ASinglePlayerGM() : Super() {
+ASinglePlayerGM::ASinglePlayerGM()
+    : Super() {
     GameStateClass = ASinglePlayerGS::StaticClass();
     bIsMultiplayer = false;
 }

Source/TurnBasedTutorial/BattleMode/Singleplayer/SinglePlayerGM.h

@@ -3,14 +3,14 @@
 #pragma once
 
 #include "CoreMinimal.h"
-#include "MyGameMode.h"
+#include "../BattleGameMode.h"
 #include "SinglePlayerGM.generated.h"
 
 /**
  * 
  */
 UCLASS()
-class TURNBASEDTUTORIAL_API ASinglePlayerGM : public AMyGameMode {
+class TURNBASEDTUTORIAL_API ASinglePlayerGM : public ABattleGameMode {
     GENERATED_BODY()
 
 public:
@@ -19,5 +19,4 @@ public:
     virtual void BeginPlay() override;
 
     virtual void PostLogin(APlayerController *NewPlayer) override;
-    
 };

Source/TurnBasedTutorial/BattleMode/Singleplayer/SinglePlayerGS.h

@@ -4,14 +4,14 @@
 
 #include "CoreMinimal.h"
 #include "EnemyAIController.h"
-#include "MyGameState.h"
+#include "../BattleGameState.h"
 #include "SinglePlayerGS.generated.h"
 
 /**
  * 
  */
 UCLASS()
-class TURNBASEDTUTORIAL_API ASinglePlayerGS : public AMyGameState {
+class TURNBASEDTUTORIAL_API ASinglePlayerGS : public ABattleGameState {
     GENERATED_BODY()
 
 public:

Source/TurnBasedTutorial/BattleMode/Trooper/Ability.cpp

@@ -5,13 +5,11 @@
 // Sets default values for this component's properties
 UAbility::UAbility() {
     PrimaryComponentTick.bCanEverTick = false;
-
 }
 
 // Called when the game starts
 void UAbility::BeginPlay() {
     Super::BeginPlay();
-
 }
 
 // void UAbility::TickComponent(float DeltaTime,

Source/TurnBasedTutorial/BattleMode/Trooper/Explosion.cpp

@@ -1,13 +1,12 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
 
-#include "MyExplosion.h"
+#include "Explosion.h"
-
 #include "Trooper.h"
 #include "Net/UnrealNetwork.h"
 #include "Particles/ParticleSystemComponent.h"
 
-AMyExplosion::AMyExplosion() {
+AExplosion::AExplosion() {
     // if (!CollisionComponent) {
     //     CollisionComponent = CreateDefaultSubobject<USphereComponent>(
     //         TEXT("SphereComponent"));
@@ -22,7 +21,7 @@ AMyExplosion::AMyExplosion() {
     InitialLifeSpan = 1.0f;
 }
 
-void AMyExplosion::Initialize(float damage,
+void AExplosion::Initialize(float damage,
                               float splashRadius,
                               uint8 playerIndex) {
     Damage = damage;
@@ -34,11 +33,11 @@ void AMyExplosion::Initialize(float damage,
     }
 }
 
-void AMyExplosion::BeginPlay() {
+void AExplosion::BeginPlay() {
     Super::BeginPlay();
 }
 
-void AMyExplosion::NotifyActorBeginOverlap(AActor *OtherActor) {
+void AExplosion::NotifyActorBeginOverlap(AActor *OtherActor) {
     Super::NotifyActorBeginOverlap(OtherActor);
     ATrooper *OtherTrooper = Cast<ATrooper>(OtherActor);
     if (OtherTrooper) {
@@ -57,11 +56,11 @@ void AMyExplosion::NotifyActorBeginOverlap(AActor *OtherActor) {
     }
 }
 
-void AMyExplosion::GetLifetimeReplicatedProps(
+void AExplosion::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
-    DOREPLIFETIME(AMyExplosion, Damage);
+    DOREPLIFETIME(AExplosion, Damage);
-    DOREPLIFETIME(AMyExplosion, PlayerIndex);
+    DOREPLIFETIME(AExplosion, PlayerIndex);
     // DOREPLIFETIME(AMyExplosion, CollisionComponent);
-    DOREPLIFETIME(AMyExplosion, ParticleSystemComponent);
+    DOREPLIFETIME(AExplosion, ParticleSystemComponent);
 }

Source/TurnBasedTutorial/BattleMode/Trooper/Explosion.h

@@ -4,14 +4,14 @@
 
 #include "CoreMinimal.h"
 #include "GameFramework/Actor.h"
-#include "MyExplosion.generated.h"
+#include "Explosion.generated.h"
 
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyExplosion : public AActor {
+class TURNBASEDTUTORIAL_API AExplosion : public AActor {
     GENERATED_BODY()
 
 public:
-    AMyExplosion();
+    AExplosion();
 
     void Initialize(float damage,
                     float splashRadius,

Source/TurnBasedTutorial/BattleMode/Trooper/HealthBar.cpp

@@ -14,5 +14,6 @@ void UHealthBar::NativeTick(const FGeometry &MyGeometry, float InDeltaTime) {
     if (!OwnerTrooper.IsValid())
         return;
 
-    HealthBar->SetPercent(OwnerTrooper->GetHitPoints() / OwnerTrooper->GetMaxHitPoints());
+    HealthBar->SetPercent(
+        OwnerTrooper->GetHitPoints() / OwnerTrooper->GetMaxHitPoints());
 }

Source/TurnBasedTutorial/BattleMode/Trooper/HealthBar.h

@@ -13,6 +13,7 @@
 UCLASS(Abstract)
 class TURNBASEDTUTORIAL_API UHealthBar : public UUserWidget {
     GENERATED_BODY()
+
 public:
     void SetOwnerTrooper(ATrooper *Trooper);
 
@@ -22,5 +23,6 @@ protected:
     UPROPERTY(meta=(BindWidget))
     class UProgressBar *HealthBar;
 
-    virtual void NativeTick(const FGeometry &MyGeometry, float InDeltaTime) override;
+    virtual void
+    NativeTick(const FGeometry &MyGeometry, float InDeltaTime) override;
 };

Source/TurnBasedTutorial/BattleMode/Trooper/Projectile.cpp

@@ -1,12 +1,12 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
 
-#include "MyProjectile.h"
+#include "Projectile.h"
 
 #include "Trooper.h"
 #include "Net/UnrealNetwork.h"
 
-AMyProjectile::AMyProjectile() {
+AProjectile::AProjectile() {
     // if (!RootComponent) {
     //     RootComponent = CreateDefaultSubobject<USceneComponent>(
     //         TEXT("ProjectileSceneComponent"));
@@ -41,7 +41,7 @@ AMyProjectile::AMyProjectile() {
     InitialLifeSpan = 2.0f;
 }
 
-void AMyProjectile::Initialize(const UAbility *Ability,
+void AProjectile::Initialize(const UAbility *Ability,
                                uint8 playerIndex,
                                float PathLength) {
     ProjectileMovementComponent->InitialSpeed =
@@ -55,12 +55,12 @@ void AMyProjectile::Initialize(const UAbility *Ability,
     SetLifeSpan(PathLength / Ability->Speed);
 }
 
-void AMyProjectile::Shoot(FVector From, FVector To) const {
+void AProjectile::Shoot(FVector From, FVector To) const {
     ProjectileMovementComponent->Velocity =
         (To - From).GetSafeNormal() * ProjectileMovementComponent->InitialSpeed;
 }
 
-void AMyProjectile::NotifyActorBeginOverlap(AActor *OtherActor) {
+void AProjectile::NotifyActorBeginOverlap(AActor *OtherActor) {
     Super::NotifyActorBeginOverlap(OtherActor);
     ATrooper *OtherTrooper = Cast<ATrooper>(OtherActor);
     if (OtherTrooper) {
@@ -106,34 +106,34 @@ void AMyProjectile::NotifyActorBeginOverlap(AActor *OtherActor) {
 // }
 
 
-void AMyProjectile::BeginPlay() {
+void AProjectile::BeginPlay() {
     Super::BeginPlay();
 }
 
-void AMyProjectile::EndPlay(const EEndPlayReason::Type EndPlayReason) {
+void AProjectile::EndPlay(const EEndPlayReason::Type EndPlayReason) {
     Super::EndPlay(EndPlayReason);
     Explode();
 }
 
-void AMyProjectile::Explode_Implementation() const {
+void AProjectile::Explode_Implementation() const {
     const FTransform SpawnTransform = GetTransform();
     FActorSpawnParameters SpawnParameters;
     SpawnParameters.Instigator = GetInstigator();
     SpawnParameters.SpawnCollisionHandlingOverride =
         ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
-    AMyExplosion *Explosion = GetWorld()->SpawnActor<AMyExplosion>(
+    AExplosion *Explosion = GetWorld()->SpawnActor<AExplosion>(
         ExplosionSubclass, SpawnTransform, SpawnParameters);
     Explosion->Initialize(Damage, SplashRadius, PlayerIndex);
     Explosion->SetActorLocation(GetActorLocation());
 }
 
-void AMyProjectile::GetLifetimeReplicatedProps(
+void AProjectile::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
-    DOREPLIFETIME(AMyProjectile, Damage);
+    DOREPLIFETIME(AProjectile, Damage);
-    DOREPLIFETIME(AMyProjectile, PlayerIndex);
+    DOREPLIFETIME(AProjectile, PlayerIndex);
     // DOREPLIFETIME(AMyProjectile, CollisionComponent);
-    DOREPLIFETIME(AMyProjectile, ProjectileMeshComponent);
+    DOREPLIFETIME(AProjectile, ProjectileMeshComponent);
-    DOREPLIFETIME(AMyProjectile, ProjectileMovementComponent);
+    DOREPLIFETIME(AProjectile, ProjectileMovementComponent);
-    DOREPLIFETIME(AMyProjectile, SplashRadius);
+    DOREPLIFETIME(AProjectile, SplashRadius);
 }

Source/TurnBasedTutorial/BattleMode/Trooper/Projectile.h

@@ -4,18 +4,18 @@
 
 #include "CoreMinimal.h"
 #include "Ability.h"
-#include "MyExplosion.h"
+#include "Explosion.h"
 #include "Components/SphereComponent.h"
 #include "GameFramework/Actor.h"
 #include "GameFramework/ProjectileMovementComponent.h"
-#include "MyProjectile.generated.h"
+#include "Projectile.generated.h"
 
 UCLASS()
-class TURNBASEDTUTORIAL_API AMyProjectile : public AActor {
+class TURNBASEDTUTORIAL_API AProjectile : public AActor {
     GENERATED_BODY()
 
 public:
-    AMyProjectile();
+    AProjectile();
 
     void Initialize(const UAbility *Ability,
                     uint8 playerIndex,
@@ -27,7 +27,7 @@ protected:
     virtual void NotifyActorBeginOverlap(AActor *OtherActor) override;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
-    TSubclassOf<AMyExplosion> ExplosionSubclass;
+    TSubclassOf<AExplosion> ExplosionSubclass;
 
     // virtual void NotifyHit(UPrimitiveComponent *MyComp,
     //                        AActor *Other,

Source/TurnBasedTutorial/BattleMode/Trooper/Trooper.cpp

@@ -2,8 +2,8 @@
 #include <Kismet/GameplayStatics.h>
 
 #include "HealthBar.h"
-#include "MyGameState.h"
+#include "../BattleGameState.h"
-#include "MyProjectile.h"
+#include "Projectile.h"
 #include "Components/WidgetComponent.h"
 #include "Net/UnrealNetwork.h"
 
@@ -312,14 +312,15 @@ void ATrooper::TrooperTakeDamage_Implementation(float Damage) {
     if (HitPoints == 0) {
         bIsDead = true;
         SetLifeSpan(DyingAnimationDuration);
-        GetWorld()->GetGameState<AMyGameState>()->DecreaseLivingTroopers(PlayerIndex);
+        GetWorld()->GetGameState<ABattleGameState>()->DecreaseLivingTroopers(
+            PlayerIndex);
     } else {
         // bIsTakingDamage = true;
         SetIsTakingDamage(true);
     }
 }
 
-TSubclassOf<AMyProjectile> ATrooper::GetProjectileClass(
+TSubclassOf<AProjectile> ATrooper::GetProjectileClass(
     uint8 AbilityIndex) const {
     switch (AbilityIndex) {
         case 1:
@@ -327,7 +328,7 @@ TSubclassOf<AMyProjectile> ATrooper::GetProjectileClass(
         case 2:
             return SpecialProjectileClass;
         default:
-            return AMyProjectile::StaticClass();
+            return AProjectile::StaticClass();
     }
 }
 
@@ -346,7 +347,7 @@ void ATrooper::FireProjectile_Implementation() {
     SpawnParameters.Instigator = GetInstigator();
     SpawnParameters.SpawnCollisionHandlingOverride =
         ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
-    AMyProjectile *Projectile = GetWorld()->SpawnActor<AMyProjectile>(
+    AProjectile *Projectile = GetWorld()->SpawnActor<AProjectile>(
         GetProjectileClass(CurrentAbilityIndex), SpawnTransform,
         SpawnParameters);
     Projectile->SetActorLocation(SpawnLocation);

Source/TurnBasedTutorial/BattleMode/Trooper/Trooper.h

@@ -2,7 +2,7 @@
 
 #include "CoreMinimal.h"
 #include "Ability.h"
-#include "EnemyAIController.h"
+#include "../Singleplayer/EnemyAIController.h"
 #include "GameFramework/Character.h"
 #include "Trooper.generated.h"
 
@@ -31,7 +31,8 @@ public:
     bool CheckMoveCorrectness(const FVector newPos) const;
 
     UFUNCTION()
-    bool CheckAttackCorrectness(const FVector attackLocation, int abilityIndex) const;
+    bool CheckAttackCorrectness(const FVector attackLocation,
+                                int abilityIndex) const;
 
     UFUNCTION()
     FVector GetLocation() const;
@@ -97,13 +98,13 @@ protected:
     UAbility *SpecialAbility;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
-    TSubclassOf<AMyProjectile> AttackProjectileClass;
+    TSubclassOf<AProjectile> AttackProjectileClass;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
-    TSubclassOf<AMyProjectile> SpecialProjectileClass;
+    TSubclassOf<AProjectile> SpecialProjectileClass;
 
     UFUNCTION()
-    TSubclassOf<AMyProjectile> GetProjectileClass(uint8 AbilityIndex) const;
+    TSubclassOf<AProjectile> GetProjectileClass(uint8 AbilityIndex) const;
 
     UFUNCTION(Server, Reliable)
     void FireProjectile();

Source/TurnBasedTutorial/GameOverWidget.cpp

@@ -1,34 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#include "GameOverWidget.h"
-
-#include "MyGameInstanceSubsystem.h"
-#include "Components/Button.h"
-#include "Components/TextBlock.h"
-#include "Kismet/GameplayStatics.h"
-
-
-void UGameOverWidget::NativeConstruct()
-{
-	ButtonToMenu->OnClicked.AddDynamic(this, &ThisClass::QuitCurrentSession);
-}
-
-void UGameOverWidget::QuitCurrentSession()
-{
-	const UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(GetWorld());
-	UMyGameInstanceSubsystem* GameInstanceSubsystem = GameInstance->GetSubsystem<UMyGameInstanceSubsystem>();
-	GameInstanceSubsystem->QuitCurrentSession();
-}
-
-
-void UGameOverWidget::SetWidgetText_Implementation(bool HasWon)
-{
-	if (HasWon)
-	{
-		GameOverText->SetText(FText::FromString("You won!"));
-	}
-	else
-	{
-		GameOverText->SetText(FText::FromString("You lose!"));
-	}
-}

Source/TurnBasedTutorial/MainMenu/MainMenuWidget.cpp

@@ -0,0 +1,34 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "MainMenuWidget.h"
+#include "Components/Button.h"
+#include "Kismet/GameplayStatics.h"
+
+void UMainMenuWidget::NativeConstruct() {
+    Super::NativeConstruct();
+
+    HostOnlineGameButton->OnClicked.AddDynamic(
+        this, &ThisClass::UMainMenuWidget::OnHostOnlineGameButtonClicked);
+
+    GetMyGameSubsystem()->OnCreateSessionCompleteEvent.AddDynamic(
+        this, &ThisClass::StartSessionWhenCreatingSessonComplete);
+}
+
+void UMainMenuWidget::OnHostOnlineGameButtonClicked() {
+    GetMyGameSubsystem()->CreateSession(
+        "Lobby " + FString::FromInt(FMath::RandRange(1, 1e6)), 2, true);
+}
+
+void UMainMenuWidget::StartSessionWhenCreatingSessonComplete(bool bSuccess) {
+    GetMyGameSubsystem()->StartSession();
+}
+
+
+USessionsGameInstanceSubsystem *UMainMenuWidget::GetMyGameSubsystem() const {
+    const UGameInstance *GameInstance = UGameplayStatics::GetGameInstance(
+        GetWorld());
+    USessionsGameInstanceSubsystem *GameInstanceSubsystem = GameInstance->
+        GetSubsystem<USessionsGameInstanceSubsystem>();
+    return GameInstanceSubsystem;
+}

Source/TurnBasedTutorial/MainMenu/MainMenuWidget.h

@@ -0,0 +1,33 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Blueprint/UserWidget.h"
+#include "../SessionsGameInstanceSubsystem.h"
+
+#include "MainMenuWidget.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class TURNBASEDTUTORIAL_API UMainMenuWidget : public UUserWidget {
+    GENERATED_BODY()
+
+public:
+    UPROPERTY(meta = (BindWidget))
+    class UButton *HostOnlineGameButton;
+
+    virtual void NativeConstruct() override;
+
+protected:
+    UFUNCTION()
+    void OnHostOnlineGameButtonClicked();
+
+    UFUNCTION()
+    void StartSessionWhenCreatingSessonComplete(bool bSuccess);
+
+private:
+    USessionsGameInstanceSubsystem *GetMyGameSubsystem() const;
+};

Source/TurnBasedTutorial/MainMenu/SessionListEntryWidget.cpp

@@ -0,0 +1,24 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "SessionListEntryWidget.h"
+#include "OnlineSessionSettings.h"
+#include "Components/TextBlock.h"
+
+void USessionListEntryWidget::Update(int SessionIndex,
+                                       const FOnlineSessionSearchResult &
+                                       Session) {
+    SessionId = SessionIndex;
+    IndexText->SetText(FText::AsNumber(SessionIndex + 1));
+
+    Session.Session.SessionSettings.Get(SETTING_MAPNAME, SessionName);
+    SessionNameText->SetText(FText::FromString(SessionName));
+
+    const int MaxPlayerCount = Session.Session.SessionSettings.
+                                       NumPublicConnections;
+    const int CurPlayerCount = MaxPlayerCount - Session.Session.
+                               NumOpenPublicConnections;
+
+    PlayersCountText->SetText(FText::AsNumber(CurPlayerCount));
+    PingText->SetText(FText::AsNumber(Session.PingInMs));
+}

Source/TurnBasedTutorial/MainMenu/SessionListEntryWidget.h

@@ -0,0 +1,33 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Blueprint/UserWidget.h"
+#include "SessionListEntryWidget.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class TURNBASEDTUTORIAL_API USessionListEntryWidget : public UUserWidget {
+    GENERATED_BODY()
+
+public:
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
+    class UTextBlock *IndexText;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
+    class UTextBlock *SessionNameText;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
+    class UTextBlock *PlayersCountText;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
+    class UTextBlock *PingText;
+
+    void Update(int SessionIndex, const FOnlineSessionSearchResult &Session);
+
+    int SessionId;
+    FString SessionName;
+};

Source/TurnBasedTutorial/MainMenu/SessionListWidget.cpp

@@ -0,0 +1,80 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "SessionListWidget.h"
+#include "../SessionsGameInstanceSubsystem.h"
+#include "Components/VerticalBox.h"
+#include "SessionListEntryWidget.h"
+#include "Components/Button.h"
+#include "Kismet/GameplayStatics.h"
+
+void USessionListWidget::NativeConstruct() {
+    Super::NativeConstruct();
+
+    RefreshListButton->OnClicked.AddDynamic(
+        this, &ThisClass::OnRefreshListButtonClicked);
+    ConnectToSelectedSessionButton->OnClicked.AddDynamic(
+        this, &ThisClass::ConnectToFirstSession);
+
+    const auto MyGameInstanceSubsystem = GetMyGameSubsystem();
+    MyGameInstanceSubsystem->OnFindSessionsCompleteEvent.AddUObject(
+        this, &ThisClass::RefreshList);
+    MyGameInstanceSubsystem->OnJoinSessionCompleteEvent.AddUObject(
+        this, &ThisClass::OnJoinSessionSuccess);
+
+    // Initiate search
+    MyGameInstanceSubsystem->FindSessions(10, true);
+}
+
+void USessionListWidget::RefreshList(
+    const TArray<FOnlineSessionSearchResult> &SessionResults,
+    bool bSuccessful) {
+    if (!bSuccessful) {
+        UE_LOG(LogTemp, Error, TEXT("Find sessions FAILED!!!!"));
+        // TODO: Mark find sessions error
+        return;
+    }
+    SessionListBox->ClearChildren();
+    for (const auto &Session : SessionResults) {
+        auto *ItemWidget = CreateWidget<USessionListEntryWidget>(
+            this, EntryClass);
+        ItemWidget->Update(SessionListBox->GetChildrenCount(), Session);
+        SessionListBox->AddChild(ItemWidget);
+    }
+}
+
+
+void USessionListWidget::OnRefreshListButtonClicked() {
+    // TODO: Show that we started searching...
+    // Initiate search
+    SessionListBox->ClearChildren();
+    GetMyGameSubsystem()->FindSessions(10, true);
+}
+
+void USessionListWidget::ConnectToFirstSession() {
+    GetMyGameSubsystem()->JoinSession(0);
+}
+
+
+void USessionListWidget::OnJoinSessionSuccess(
+    EOnJoinSessionCompleteResult::Type Result) {
+    if (Result != EOnJoinSessionCompleteResult::Success) {
+        UE_LOG(LogTemp, Error, TEXT("Failed to connect to session!!"));
+        return;
+    }
+    if (!GetMyGameSubsystem()->TryConnectToCurrentSession()) {
+        UE_LOG(LogTemp, Error, TEXT("Failed to travel client to session!!"));
+        return;
+    }
+    UE_LOG(LogTemp, Display, TEXT("Connected and travelled to session!!!"));
+}
+
+
+USessionsGameInstanceSubsystem *
+USessionListWidget::GetMyGameSubsystem() const {
+    const UGameInstance *GameInstance = UGameplayStatics::GetGameInstance(
+        GetWorld());
+    USessionsGameInstanceSubsystem *GameInstanceSubsystem = GameInstance->
+        GetSubsystem<USessionsGameInstanceSubsystem>();
+    return GameInstanceSubsystem;
+}

Source/TurnBasedTutorial/MainMenu/SessionListWidget.h

@@ -0,0 +1,48 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "../SessionsGameInstanceSubsystem.h"
+#include "Blueprint/UserWidget.h"
+#include "SessionListWidget.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class TURNBASEDTUTORIAL_API USessionListWidget : public UUserWidget {
+    GENERATED_BODY()
+
+protected:
+    virtual void NativeConstruct() override;
+
+    UPROPERTY(meta = (BindWidget))
+    class UButton *ConnectToSelectedSessionButton;
+
+    UPROPERTY(meta = (BindWidget))
+    class UButton *GoBackToMainMenuButton;
+
+    UPROPERTY(meta = (BindWidget))
+    class UButton *RefreshListButton;
+
+    UPROPERTY(meta = (BindWidget))
+    class UVerticalBox *SessionListBox;
+
+    UPROPERTY(EditDefaultsOnly, Category="Session Info Class")
+    TSubclassOf<class USessionListEntryWidget> EntryClass;
+
+    void RefreshList(const TArray<FOnlineSessionSearchResult> &SessionResults,
+                     bool bSuccessful);
+
+    void OnJoinSessionSuccess(EOnJoinSessionCompleteResult::Type Result);
+
+private:
+    USessionsGameInstanceSubsystem *GetMyGameSubsystem() const;
+
+    UFUNCTION()
+    void OnRefreshListButtonClicked();
+
+    UFUNCTION()
+    void ConnectToFirstSession();
+};

Source/TurnBasedTutorial/ManageSquad/ManageSquadTrooper.cpp

@@ -3,7 +3,8 @@
 #include "ManageSquadTrooper.h"
 
 AManageSquadTrooper::AManageSquadTrooper() {
-    GetMesh()->SetCollisionResponseToAllChannels(ECollisionResponse::ECR_Overlap);
+    GetMesh()->SetCollisionResponseToAllChannels(
+        ECollisionResponse::ECR_Overlap);
 }
 
 // Called when the game starts or when spawned
@@ -17,7 +18,7 @@ void AManageSquadTrooper::Tick(float DeltaTime) {
 }
 
 void AManageSquadTrooper::
-ChangeSkeletalMesh(const AManageSquadTrooper *OtherTrooper) {
+ChangeSkeletalMesh(const AManageSquadTrooper *OtherTrooper) const {
     GetMesh()->SetSkeletalMesh(OtherTrooper->GetMesh()->SkeletalMesh);
 }
 

Source/TurnBasedTutorial/ManageSquad/ManageSquadTrooper.h

@@ -33,7 +33,7 @@ public:
     virtual void Tick(float DeltaTime) override;
 
     UFUNCTION()
-    void ChangeSkeletalMesh(const AManageSquadTrooper *OtherTrooper);
+    void ChangeSkeletalMesh(const AManageSquadTrooper *OtherTrooper) const;
 
     UFUNCTION()
     ETrooperType GetType() const;

Source/TurnBasedTutorial/MyGameInstanceSubsystem.cpp

@@ -1,368 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#include "MyGameInstanceSubsystem.h"
-
-#include "MyPlayerController.h"
-#include "OnlineSubsystemUtils.h"
-#include "GameFramework/GameModeBase.h"
-#include "Kismet/GameplayStatics.h"
-
-UMyGameInstanceSubsystem::UMyGameInstanceSubsystem() : CreateSessionCompleteDelegate(
-	                                                       FOnCreateSessionCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnCreateSessionCompleted)),
-                                                       UpdateSessionCompleteDelegate(
-	                                                       FOnUpdateSessionCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnUpdateSessionCompleted)),
-                                                       StartSessionCompleteDelegate(
-	                                                       FOnStartSessionCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnStartSessionCompleted)),
-                                                       EndSessionCompleteDelegate(
-	                                                       FOnEndSessionCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnEndSessionCompleted)),
-                                                       DestroySessionCompleteDelegate(
-	                                                       FOnDestroySessionCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnDestroySessionCompleted)),
-                                                       FindSessionsCompleteDelegate(
-	                                                       FOnFindSessionsCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnFindSessionsCompleted)),
-                                                       JoinSessionCompleteDelegate(
-	                                                       FOnJoinSessionCompleteDelegate::CreateUObject(
-		                                                       this, &ThisClass::OnJoinSessionCompleted)),
-                                                       bIsHost(false)
-{
-}
-
-
-void UMyGameInstanceSubsystem::CreateSession(FString SessionName, int32 NumPublicConnections, bool bIsLANMatch)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnCreateSessionCompleteEvent.Broadcast(false);
-		return;
-	}
-
-	LastSessionSettings = MakeShareable(new FOnlineSessionSettings());
-	LastSessionSettings->NumPrivateConnections = 0;
-	LastSessionSettings->NumPublicConnections = NumPublicConnections;
-	LastSessionSettings->bAllowInvites = true;
-	LastSessionSettings->bAllowJoinInProgress = true;
-	LastSessionSettings->bAllowJoinViaPresence = true;
-	LastSessionSettings->bAllowJoinViaPresenceFriendsOnly = true;
-	LastSessionSettings->bUsesPresence = true;
-	LastSessionSettings->bIsLANMatch = bIsLANMatch;
-	LastSessionSettings->bShouldAdvertise = true;
-
-	LastSessionSettings->Set(SETTING_MAPNAME, SessionName,
-	                         EOnlineDataAdvertisementType::ViaOnlineService);
-
-	CreateSessionCompleteDelegateHandle = SessionInterface->AddOnCreateSessionCompleteDelegate_Handle(
-		CreateSessionCompleteDelegate);
-
-	const ULocalPlayer* localPlayer = GetWorld()->GetFirstLocalPlayerFromController();
-	if (!SessionInterface->CreateSession(*localPlayer->GetPreferredUniqueNetId(), NAME_GameSession,
-	                                     *LastSessionSettings))
-	{
-		SessionInterface->ClearOnCreateSessionCompleteDelegate_Handle(CreateSessionCompleteDelegateHandle);
-
-		OnCreateSessionCompleteEvent.Broadcast(false);
-	}
-}
-
-void UMyGameInstanceSubsystem::OnCreateSessionCompleted(FName SessionName, bool bSuccessful)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (SessionInterface.IsValid())
-	{
-		SessionInterface->ClearOnCreateSessionCompleteDelegate_Handle(CreateSessionCompleteDelegateHandle);
-	}
-
-	bIsHost = true;
-
-	OnCreateSessionCompleteEvent.Broadcast(bSuccessful);
-}
-
-void UMyGameInstanceSubsystem::UpdateSession()
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnCreateSessionCompleteEvent.Broadcast(false);
-		return;
-	}
-
-	const TSharedPtr<FOnlineSessionSettings> UpdatedSessionSettings = MakeShareable(
-		new FOnlineSessionSettings(*LastSessionSettings));
-
-	// Here we can insert any changes we want
-	UpdatedSessionSettings->Set(SETTING_MAPNAME, FString("Updated Level Name"),
-	                            EOnlineDataAdvertisementType::ViaOnlineService);
-
-	UpdateSessionCompleteDelegateHandle =
-		SessionInterface->AddOnUpdateSessionCompleteDelegate_Handle(UpdateSessionCompleteDelegate);
-
-	if (!SessionInterface->UpdateSession(NAME_GameSession, *UpdatedSessionSettings))
-	{
-		SessionInterface->ClearOnUpdateSessionCompleteDelegate_Handle(UpdateSessionCompleteDelegateHandle);
-
-		OnUpdateSessionCompleteEvent.Broadcast(false);
-	}
-	else
-	{
-		LastSessionSettings = UpdatedSessionSettings;
-	}
-}
-
-void UMyGameInstanceSubsystem::OnUpdateSessionCompleted(FName SessionName, bool bSuccessful)
-{
-	const IOnlineSessionPtr sessionInterface = Online::GetSessionInterface(GetWorld());
-	if (sessionInterface.IsValid())
-	{
-		sessionInterface->ClearOnUpdateSessionCompleteDelegate_Handle(UpdateSessionCompleteDelegateHandle);
-	}
-
-	OnUpdateSessionCompleteEvent.Broadcast(bSuccessful);
-}
-
-
-void UMyGameInstanceSubsystem::StartSession()
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnCreateSessionCompleteEvent.Broadcast(false);
-		return;
-	}
-	StartSessionCompleteDelegateHandle = SessionInterface->AddOnStartSessionCompleteDelegate_Handle(
-		StartSessionCompleteDelegate);
-
-	if (!SessionInterface->StartSession(NAME_GameSession))
-	{
-		SessionInterface->ClearOnStartSessionCompleteDelegate_Handle(StartSessionCompleteDelegateHandle);
-
-		OnStartSessionCompleteEvent.Broadcast(false);
-	}
-}
-
-
-void UMyGameInstanceSubsystem::OnStartSessionCompleted(FName SessionName, bool bSuccessful)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (SessionInterface.IsValid())
-	{
-		SessionInterface->ClearOnStartSessionCompleteDelegate_Handle(StartSessionCompleteDelegateHandle);
-	}
-	OnStartSessionCompleteEvent.Broadcast(bSuccessful);
-
-	// TODO: Move this from gameinstance subsystem. This should not be here.
-	UGameplayStatics::OpenLevel(GetWorld(), "BattleFieldMap", true, "listen");
-}
-
-
-void UMyGameInstanceSubsystem::EndSession()
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnCreateSessionCompleteEvent.Broadcast(false);
-		return;
-	}
-
-	EndSessionCompleteDelegateHandle = SessionInterface->AddOnEndSessionCompleteDelegate_Handle(
-		EndSessionCompleteDelegate);
-
-	if (!SessionInterface->EndSession(NAME_GameSession))
-	{
-		SessionInterface->ClearOnEndSessionCompleteDelegate_Handle(EndSessionCompleteDelegateHandle);
-
-		OnEndSessionCompleteEvent.Broadcast(false);
-	}
-}
-
-
-void UMyGameInstanceSubsystem::OnEndSessionCompleted(FName SessionName, bool bSuccessful)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (SessionInterface.IsValid())
-	{
-		SessionInterface->ClearOnEndSessionCompleteDelegate_Handle(EndSessionCompleteDelegateHandle);
-	}
-
-	OnEndSessionCompleteEvent.Broadcast(bSuccessful);
-}
-
-
-void UMyGameInstanceSubsystem::DestroySession()
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnDestroySessionCompleteEvent.Broadcast(false);
-		return;
-	}
-
-	DestroySessionCompleteDelegateHandle = SessionInterface->AddOnDestroySessionCompleteDelegate_Handle(
-		DestroySessionCompleteDelegate);
-
-	if (!SessionInterface->DestroySession(NAME_GameSession))
-	{
-		SessionInterface->ClearOnDestroySessionCompleteDelegate_Handle(EndSessionCompleteDelegateHandle);
-
-		OnDestroySessionCompleteEvent.Broadcast(false);
-	}
-}
-
-
-void UMyGameInstanceSubsystem::OnDestroySessionCompleted(FName SessionName, bool bSuccessful)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (SessionInterface.IsValid())
-	{
-		SessionInterface->ClearOnDestroySessionCompleteDelegate_Handle(DestroySessionCompleteDelegateHandle);
-	}
-
-	OnDestroySessionCompleteEvent.Broadcast(bSuccessful);
-}
-
-
-void UMyGameInstanceSubsystem::FindSessions(int32 MaxSearchResults, bool bIsLANQuery)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnFindSessionsCompleteEvent.Broadcast(TArray<FOnlineSessionSearchResult>(), false);
-		return;
-	}
-
-	FindSessionsCompleteDelegateHandle = SessionInterface->AddOnFindSessionsCompleteDelegate_Handle(
-		FindSessionsCompleteDelegate);
-
-	LastSessionSearch = MakeShareable(new FOnlineSessionSearch());
-	LastSessionSearch->MaxSearchResults = MaxSearchResults;
-	LastSessionSearch->bIsLanQuery = bIsLANQuery;
-
-	// Disable dedicated server search (maybe enable later, when dedicated server is implemented)
-	// LastSessionSearch->QuerySettings.Set(SEARCH_PRESENCE, true, EOnlineComparisonOp::Equals);
-
-	const ULocalPlayer* LocalPlayer = GetWorld()->GetFirstLocalPlayerFromController();
-	if (!SessionInterface->FindSessions(*LocalPlayer->GetPreferredUniqueNetId(), LastSessionSearch.ToSharedRef()))
-	{
-		SessionInterface->ClearOnFindSessionsCompleteDelegate_Handle(FindSessionsCompleteDelegateHandle);
-
-		OnFindSessionsCompleteEvent.Broadcast(TArray<FOnlineSessionSearchResult>(), false);
-	}
-}
-
-
-void UMyGameInstanceSubsystem::OnFindSessionsCompleted(bool bSuccessful)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (SessionInterface.IsValid())
-	{
-		SessionInterface->ClearOnFindSessionsCompleteDelegate_Handle(FindSessionsCompleteDelegateHandle);
-	}
-
-	if (LastSessionSearch->SearchResults.Num() <= 0)
-	{
-		OnFindSessionsCompleteEvent.Broadcast(TArray<FOnlineSessionSearchResult>(), bSuccessful);
-		return;
-	}
-
-	OnFindSessionsCompleteEvent.Broadcast(LastSessionSearch->SearchResults, bSuccessful);
-}
-
-
-void UMyGameInstanceSubsystem::JoinSession(const FOnlineSessionSearchResult& SessionSearchResult)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnJoinSessionCompleteEvent.Broadcast(EOnJoinSessionCompleteResult::UnknownError);
-		return;
-	}
-
-	JoinSessionCompleteDelegateHandle = SessionInterface->AddOnJoinSessionCompleteDelegate_Handle(
-		JoinSessionCompleteDelegate);
-
-	const ULocalPlayer* LocalPlayer = GetWorld()->GetFirstLocalPlayerFromController();
-	if (!SessionInterface->JoinSession(*LocalPlayer->GetPreferredUniqueNetId(), NAME_GameSession, SessionSearchResult))
-	{
-		SessionInterface->ClearOnJoinSessionCompleteDelegate_Handle(JoinSessionCompleteDelegateHandle);
-
-		OnJoinSessionCompleteEvent.Broadcast(EOnJoinSessionCompleteResult::UnknownError);
-	}
-}
-
-void UMyGameInstanceSubsystem::JoinSession(const int32 Index)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		OnJoinSessionCompleteEvent.Broadcast(EOnJoinSessionCompleteResult::UnknownError);
-		return;
-	}
-	if (!LastSessionSearch.IsValid() || Index >= LastSessionSearch->SearchResults.Num())
-	{
-		OnJoinSessionCompleteEvent.Broadcast(EOnJoinSessionCompleteResult::UnknownError);
-		return;
-	}
-
-	JoinSessionCompleteDelegateHandle = SessionInterface->AddOnJoinSessionCompleteDelegate_Handle(
-		JoinSessionCompleteDelegate);
-
-	const ULocalPlayer* LocalPlayer = GetWorld()->GetFirstLocalPlayerFromController();
-	if (!SessionInterface->JoinSession(*LocalPlayer->GetPreferredUniqueNetId(), NAME_GameSession,
-	                                   LastSessionSearch->SearchResults[Index]))
-	{
-		SessionInterface->ClearOnJoinSessionCompleteDelegate_Handle(JoinSessionCompleteDelegateHandle);
-
-		OnJoinSessionCompleteEvent.Broadcast(EOnJoinSessionCompleteResult::UnknownError);
-	}
-}
-
-
-void UMyGameInstanceSubsystem::OnJoinSessionCompleted(FName SessionName, EOnJoinSessionCompleteResult::Type Result)
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (SessionInterface.IsValid())
-	{
-		SessionInterface->ClearOnJoinSessionCompleteDelegate_Handle(JoinSessionCompleteDelegateHandle);
-	}
-
-	OnJoinSessionCompleteEvent.Broadcast(Result);
-}
-
-
-bool UMyGameInstanceSubsystem::TryConnectToCurrentSession() const
-{
-	const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(GetWorld());
-	if (!SessionInterface.IsValid())
-	{
-		return false;
-	}
-
-	FString ConnectString;
-	if (!SessionInterface->GetResolvedConnectString(NAME_GameSession, ConnectString))
-	{
-		return false;
-	}
-
-	APlayerController* PlayerController = GetWorld()->GetFirstPlayerController();
-	PlayerController->ClientTravel(ConnectString, TRAVEL_Absolute);
-	return true;
-}
-
-void UMyGameInstanceSubsystem::QuitCurrentSession()
-{
-	if (bIsHost)
-	{
-		UGameplayStatics::GetGameMode(GetWorld())->ReturnToMainMenuHost();
-	}
-	else
-	{
-		APlayerController* LocalController = GEngine->GetFirstLocalPlayerController(GetWorld());
-		LocalController->ClientReturnToMainMenuWithTextReason(FText::FromString("Session ended"));
-	}
-	bIsHost = false;
-	DestroySession();
-}

Source/TurnBasedTutorial/MyGameInstanceSubsystem.h

@@ -1,107 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#pragma once
-
-#include "CoreMinimal.h"
-#include "OnlineSessionSettings.h"
-
-#include "Interfaces/OnlineSessionInterface.h"
-#include "Subsystems/GameInstanceSubsystem.h"
-#include "MyGameInstanceSubsystem.generated.h"
-
-DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnCreateSessionComplete, bool, bSuccessful);
-
-DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnUpdateSessionComplete, bool, bSuccessful);
-
-DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnStartSessionCompete, bool, bSuccessful);
-
-DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnEndSessionComplete, bool, bSuccessful);
-
-DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnDestroySessionComplete, bool, bSuccessful);
-
-DECLARE_MULTICAST_DELEGATE_TwoParams(FMyOnFindSessionsComplete,
-                                     const TArray<FOnlineSessionSearchResult>& SessionResults, bool bSuccessful);
-
-DECLARE_MULTICAST_DELEGATE_OneParam(FMyOnJoinSessionCompele, EOnJoinSessionCompleteResult::Type Result);
-/**
- * 
- */
-UCLASS()
-class TURNBASEDTUTORIAL_API UMyGameInstanceSubsystem : public UGameInstanceSubsystem
-{
-	GENERATED_BODY()
-
-public:
-	UMyGameInstanceSubsystem();
-
-	void CreateSession(FString SessionName, int32 NumPublicConnections, bool bIsLANMatch);
-
-	void UpdateSession();
-
-	void StartSession();
-
-	void EndSession();
-
-	void DestroySession();
-
-	void FindSessions(int32 MaxSearchResults, bool bIsLANQuery);
-
-	void JoinSession(const FOnlineSessionSearchResult& SessionSearchResult);
-
-	void JoinSession(const int32 Index);
-
-	bool TryConnectToCurrentSession() const;
-
-	void QuitCurrentSession();
-
-	void UpdateSessionName(FString NewSessionName);
-	
-	FMyOnCreateSessionComplete OnCreateSessionCompleteEvent;
-	FMyOnUpdateSessionComplete OnUpdateSessionCompleteEvent;
-	FMyOnStartSessionCompete OnStartSessionCompleteEvent;
-	FMyOnEndSessionComplete OnEndSessionCompleteEvent;
-	FMyOnDestroySessionComplete OnDestroySessionCompleteEvent;
-	FMyOnFindSessionsComplete OnFindSessionsCompleteEvent;
-	FMyOnJoinSessionCompele OnJoinSessionCompleteEvent;
-
-protected:
-	void OnCreateSessionCompleted(FName SessionName, bool bSuccessful);
-
-	void OnUpdateSessionCompleted(FName SessionName, bool bSuccessful);
-
-	void OnStartSessionCompleted(FName SessionName, bool bSuccessful);
-
-	void OnEndSessionCompleted(FName SessionName, bool bSuccessful);
-
-	void OnDestroySessionCompleted(FName SessionName, bool bSuccessful);
-
-	void OnFindSessionsCompleted(bool bSuccessful);
-
-	void OnJoinSessionCompleted(FName SessionName, EOnJoinSessionCompleteResult::Type Result);
-
-private:
-	bool bIsHost;
-	
-	FOnCreateSessionCompleteDelegate CreateSessionCompleteDelegate;
-	FDelegateHandle CreateSessionCompleteDelegateHandle;
-	TSharedPtr<FOnlineSessionSettings> LastSessionSettings;
-
-	FOnUpdateSessionCompleteDelegate UpdateSessionCompleteDelegate;
-	FDelegateHandle UpdateSessionCompleteDelegateHandle;
-
-	FOnStartSessionCompleteDelegate StartSessionCompleteDelegate;
-	FDelegateHandle StartSessionCompleteDelegateHandle;
-
-	FOnEndSessionCompleteDelegate EndSessionCompleteDelegate;
-	FDelegateHandle EndSessionCompleteDelegateHandle;
-
-	FOnDestroySessionCompleteDelegate DestroySessionCompleteDelegate;
-	FDelegateHandle DestroySessionCompleteDelegateHandle;
-
-	FOnFindSessionsCompleteDelegate FindSessionsCompleteDelegate;
-	FDelegateHandle FindSessionsCompleteDelegateHandle;
-	TSharedPtr<FOnlineSessionSearch> LastSessionSearch;
-
-	FOnJoinSessionCompleteDelegate JoinSessionCompleteDelegate;
-	FDelegateHandle JoinSessionCompleteDelegateHandle;
-};

Source/TurnBasedTutorial/MyMainMenu.cpp

@@ -1,35 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-
-#include "MyMainMenu.h"
-
-#include "Components/Button.h"
-#include "Kismet/GameplayStatics.h"
-
-void UMyMainMenu::NativeConstruct()
-{
-	Super::NativeConstruct();
-
-	HostOnlineGameButton->OnClicked.AddDynamic(this, &ThisClass::UMyMainMenu::OnHostOnlineGameButtonClicked);
-
-	GetMyGameSubsystem()->OnCreateSessionCompleteEvent.AddDynamic(this, &ThisClass::StartSessionWhenCreatingSessonComplete);
-}	
-
-void UMyMainMenu::OnHostOnlineGameButtonClicked()
-{
-	GetMyGameSubsystem()->CreateSession("Lobby " + FString::FromInt(FMath::RandRange(1, 1e6)),2, true);
-}
-
-void UMyMainMenu::StartSessionWhenCreatingSessonComplete(bool bSuccess)
-{
-	GetMyGameSubsystem()->StartSession();
-}
-
-
-UMyGameInstanceSubsystem* UMyMainMenu::GetMyGameSubsystem() const
-{
-	const UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(GetWorld());
-	UMyGameInstanceSubsystem* GameInstanceSubsystem = GameInstance->GetSubsystem<UMyGameInstanceSubsystem>();
-	return GameInstanceSubsystem;
-}
-

Source/TurnBasedTutorial/MyMainMenu.h

@@ -1,34 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#pragma once
-
-#include "CoreMinimal.h"
-#include "Blueprint/UserWidget.h"
-#include "MyGameInstanceSubsystem.h"
-
-#include "MyMainMenu.generated.h"
-
-/**
- * 
- */
-UCLASS()
-class TURNBASEDTUTORIAL_API UMyMainMenu : public UUserWidget
-{
-	GENERATED_BODY()
-
-public:
-	UPROPERTY(meta = (BindWidget))
-	class UButton* HostOnlineGameButton;
-
-	virtual void NativeConstruct() override;
-
-protected:
-	UFUNCTION()
-	void OnHostOnlineGameButtonClicked();
-
-	UFUNCTION()
-	void StartSessionWhenCreatingSessonComplete(bool bSuccess);
-	
-private:
-	UMyGameInstanceSubsystem* GetMyGameSubsystem() const;	
-};

Source/TurnBasedTutorial/MySessionListEntryWidget.cpp

@@ -1,23 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-
-#include "MySessionListEntryWidget.h"
-
-#include "OnlineSessionSettings.h"
-#include "Interfaces/OnlineSessionInterface.h"
-#include "Components/TextBlock.h"
-
-void UMySessionListEntryWidget::Update(int SessionIndex, const FOnlineSessionSearchResult& Session)
-{
-	SessionId = SessionIndex;
-	IndexText->SetText(FText::AsNumber(SessionIndex + 1));
-	
-	Session.Session.SessionSettings.Get(SETTING_MAPNAME, SessionName);
-	SessionNameText->SetText(FText::FromString(SessionName));
-
-	int MaxPlayerCount = Session.Session.SessionSettings.NumPublicConnections;
-	int CurPlayerCount = MaxPlayerCount - Session.Session.NumOpenPublicConnections;
-
-	PlayersCountText->SetText(FText::AsNumber(CurPlayerCount));
-	PingText->SetText(FText::AsNumber(Session.PingInMs));
-}

Source/TurnBasedTutorial/MySessionListEntryWidget.h

@@ -1,35 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#pragma once
-
-#include "CoreMinimal.h"
-#include "Interfaces/OnlineSessionInterface.h"
-#include "Blueprint/UserWidget.h"
-#include "MySessionListEntryWidget.generated.h"
-
-/**
- * 
- */
-UCLASS()
-class TURNBASEDTUTORIAL_API UMySessionListEntryWidget : public UUserWidget
-{
-	GENERATED_BODY()
-
-public:
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
-	class UTextBlock* IndexText;
-
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
-	class UTextBlock* SessionNameText;
-
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
-	class UTextBlock* PlayersCountText;
-
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, meta=(BindWidget))
-	class UTextBlock* PingText;
-
-	void Update(int SessionIndex, const FOnlineSessionSearchResult& Session);
-
-	int SessionId;
-	FString SessionName;
-};

Source/TurnBasedTutorial/MySessionListWidget.cpp

@@ -1,81 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-
-#include "MySessionListWidget.h"
-
-#include "MyGameInstanceSubsystem.h"
-#include "Components/VerticalBox.h"
-#include "MySessionListEntryWidget.h"
-#include "Components/Button.h"
-#include "Kismet/GameplayStatics.h"
-
-void UMySessionListWidget::NativeConstruct()
-{
-	Super::NativeConstruct();
-
-	RefreshListButton->OnClicked.AddDynamic(this, &ThisClass::OnRefreshListButtonClicked);
-	ConnectToSelectedSessionButton->OnClicked.AddDynamic(this, &ThisClass::ConnectToFirstSession);
-	
-	const auto MyGameInstanceSubsystem = GetMyGameSubsystem();
-	MyGameInstanceSubsystem->OnFindSessionsCompleteEvent.AddUObject(this, &ThisClass::RefreshList);
-	MyGameInstanceSubsystem->OnJoinSessionCompleteEvent.AddUObject(this, &ThisClass::OnJoinSessionSuccess);
-
-	// Initiate search
-	MyGameInstanceSubsystem->FindSessions(10, true);
-}
-
-void UMySessionListWidget::RefreshList(const TArray<FOnlineSessionSearchResult>& SessionResults,
-                                                       bool bSuccessful)
-{
-	if (!bSuccessful)
-	{
-		UE_LOG(LogTemp, Error, TEXT("Find sessions FAILED!!!!"));
-		// TODO: Mark find sessions error
-		return;
-	}
-	SessionListBox->ClearChildren();
-	for (const auto &Session: SessionResults)
-	{
-		auto *ItemWidget = CreateWidget<UMySessionListEntryWidget>(this, EntryClass);
-		ItemWidget->Update(SessionListBox->GetChildrenCount(), Session);
-		SessionListBox->AddChild(ItemWidget);
-	}
-}
-
-
-void UMySessionListWidget::OnRefreshListButtonClicked()
-{
-	// TODO: Show that we started searching...
-	// Initiate search
-	SessionListBox->ClearChildren();
-	GetMyGameSubsystem()->FindSessions(10, true);
-}
-
-void UMySessionListWidget::ConnectToFirstSession()
-{
-	GetMyGameSubsystem()->JoinSession(0);
-}
-
-
-void UMySessionListWidget::OnJoinSessionSuccess(EOnJoinSessionCompleteResult::Type Result)
-{
-	if (Result != EOnJoinSessionCompleteResult::Success)
-	{
-		UE_LOG(LogTemp, Error, TEXT("Failed to connect to session!!"));
-		return;
-	}
-	if (!GetMyGameSubsystem()->TryConnectToCurrentSession())
-	{
-		UE_LOG(LogTemp, Error, TEXT("Failed to travel client to session!!"));
-		return;
-	}
-	UE_LOG(LogTemp, Display, TEXT("Connected and travelled to session!!!"));
-}
-
-
-UMyGameInstanceSubsystem* UMySessionListWidget::GetMyGameSubsystem() const
-{
-	const UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(GetWorld());
-	UMyGameInstanceSubsystem* GameInstanceSubsystem = GameInstance->GetSubsystem<UMyGameInstanceSubsystem>();
-	return GameInstanceSubsystem;
-}

Source/TurnBasedTutorial/MySessionListWidget.h

@@ -1,49 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#pragma once
-
-#include "CoreMinimal.h"
-#include "MyGameInstanceSubsystem.h"
-
-#include "Blueprint/UserWidget.h"
-#include "MySessionListWidget.generated.h"
-
-/**
- * 
- */
-UCLASS()
-class TURNBASEDTUTORIAL_API UMySessionListWidget : public UUserWidget
-{
-	GENERATED_BODY()
-
-protected:
-	virtual void NativeConstruct() override;
-	
-	UPROPERTY(meta = (BindWidget))
-	class UButton* ConnectToSelectedSessionButton;
-
-	UPROPERTY(meta = (BindWidget))
-	class UButton* GoBackToMainMenuButton;
-
-	UPROPERTY(meta = (BindWidget))
-	class UButton* RefreshListButton;
-	
-	UPROPERTY(meta = (BindWidget))
-	class UVerticalBox* SessionListBox;
-
-	UPROPERTY(EditDefaultsOnly, Category="Session Info Class")
-	TSubclassOf<class UMySessionListEntryWidget> EntryClass;
-	
-	void RefreshList(const TArray<FOnlineSessionSearchResult>& SessionResults, bool bSuccessful);
-
-	void OnJoinSessionSuccess(EOnJoinSessionCompleteResult::Type Result);
-	
-private:
-	UMyGameInstanceSubsystem* GetMyGameSubsystem() const;
-
-	UFUNCTION()
-	void OnRefreshListButtonClicked();
-
-	UFUNCTION()
-	void ConnectToFirstSession();
-};

Source/TurnBasedTutorial/SessionsGameInstanceSubsystem.cpp

@@ -0,0 +1,399 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#include "SessionsGameInstanceSubsystem.h"
+
+#include "BattleMode/BattlePlayerController.h"
+#include "OnlineSubsystemUtils.h"
+#include "GameFramework/GameModeBase.h"
+#include "Kismet/GameplayStatics.h"
+
+USessionsGameInstanceSubsystem::USessionsGameInstanceSubsystem()
+    : bIsHost(false),
+      CreateSessionCompleteDelegate(
+          FOnCreateSessionCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnCreateSessionCompleted)),
+      UpdateSessionCompleteDelegate(
+          FOnUpdateSessionCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnUpdateSessionCompleted)),
+      StartSessionCompleteDelegate(
+          FOnStartSessionCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnStartSessionCompleted)),
+      EndSessionCompleteDelegate(
+          FOnEndSessionCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnEndSessionCompleted)),
+      DestroySessionCompleteDelegate(
+          FOnDestroySessionCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnDestroySessionCompleted)),
+      FindSessionsCompleteDelegate(
+          FOnFindSessionsCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnFindSessionsCompleted)),
+      JoinSessionCompleteDelegate(
+          FOnJoinSessionCompleteDelegate::CreateUObject(
+              this, &ThisClass::OnJoinSessionCompleted)) {
+}
+
+
+void USessionsGameInstanceSubsystem::CreateSession(FString SessionName,
+                                             int32 NumPublicConnections,
+                                             bool bIsLANMatch) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnCreateSessionCompleteEvent.Broadcast(false);
+        return;
+    }
+
+    LastSessionSettings = MakeShareable(new FOnlineSessionSettings());
+    LastSessionSettings->NumPrivateConnections = 0;
+    LastSessionSettings->NumPublicConnections = NumPublicConnections;
+    LastSessionSettings->bAllowInvites = true;
+    LastSessionSettings->bAllowJoinInProgress = true;
+    LastSessionSettings->bAllowJoinViaPresence = true;
+    LastSessionSettings->bAllowJoinViaPresenceFriendsOnly = true;
+    LastSessionSettings->bUsesPresence = true;
+    LastSessionSettings->bIsLANMatch = bIsLANMatch;
+    LastSessionSettings->bShouldAdvertise = true;
+
+    LastSessionSettings->Set(SETTING_MAPNAME, SessionName,
+                             EOnlineDataAdvertisementType::ViaOnlineService);
+
+    CreateSessionCompleteDelegateHandle = SessionInterface->
+        AddOnCreateSessionCompleteDelegate_Handle(
+            CreateSessionCompleteDelegate);
+
+    const ULocalPlayer *localPlayer = GetWorld()->
+        GetFirstLocalPlayerFromController();
+    if (!SessionInterface->CreateSession(
+        *localPlayer->GetPreferredUniqueNetId(), NAME_GameSession,
+        *LastSessionSettings)) {
+        SessionInterface->ClearOnCreateSessionCompleteDelegate_Handle(
+            CreateSessionCompleteDelegateHandle);
+
+        OnCreateSessionCompleteEvent.Broadcast(false);
+    }
+}
+
+void USessionsGameInstanceSubsystem::OnCreateSessionCompleted(
+    FName SessionName,
+    bool bSuccessful) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (SessionInterface.IsValid()) {
+        SessionInterface->ClearOnCreateSessionCompleteDelegate_Handle(
+            CreateSessionCompleteDelegateHandle);
+    }
+
+    bIsHost = true;
+
+    OnCreateSessionCompleteEvent.Broadcast(bSuccessful);
+}
+
+void USessionsGameInstanceSubsystem::UpdateSession() {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnCreateSessionCompleteEvent.Broadcast(false);
+        return;
+    }
+
+    const TSharedPtr<FOnlineSessionSettings> UpdatedSessionSettings =
+        MakeShareable(
+            new FOnlineSessionSettings(*LastSessionSettings));
+
+    // Here we can insert any changes we want
+    UpdatedSessionSettings->Set(SETTING_MAPNAME, FString("Updated Level Name"),
+                                EOnlineDataAdvertisementType::ViaOnlineService);
+
+    UpdateSessionCompleteDelegateHandle =
+        SessionInterface->AddOnUpdateSessionCompleteDelegate_Handle(
+            UpdateSessionCompleteDelegate);
+
+    if (!SessionInterface->UpdateSession(NAME_GameSession,
+                                         *UpdatedSessionSettings)) {
+        SessionInterface->ClearOnUpdateSessionCompleteDelegate_Handle(
+            UpdateSessionCompleteDelegateHandle);
+
+        OnUpdateSessionCompleteEvent.Broadcast(false);
+    } else {
+        LastSessionSettings = UpdatedSessionSettings;
+    }
+}
+
+void USessionsGameInstanceSubsystem::OnUpdateSessionCompleted(
+    FName SessionName,
+    bool bSuccessful) {
+    const IOnlineSessionPtr sessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (sessionInterface.IsValid()) {
+        sessionInterface->ClearOnUpdateSessionCompleteDelegate_Handle(
+            UpdateSessionCompleteDelegateHandle);
+    }
+
+    OnUpdateSessionCompleteEvent.Broadcast(bSuccessful);
+}
+
+
+void USessionsGameInstanceSubsystem::StartSession() {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnCreateSessionCompleteEvent.Broadcast(false);
+        return;
+    }
+    StartSessionCompleteDelegateHandle = SessionInterface->
+        AddOnStartSessionCompleteDelegate_Handle(
+            StartSessionCompleteDelegate);
+
+    if (!SessionInterface->StartSession(NAME_GameSession)) {
+        SessionInterface->ClearOnStartSessionCompleteDelegate_Handle(
+            StartSessionCompleteDelegateHandle);
+
+        OnStartSessionCompleteEvent.Broadcast(false);
+    }
+}
+
+
+void USessionsGameInstanceSubsystem::OnStartSessionCompleted(
+    FName SessionName,
+    bool bSuccessful) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (SessionInterface.IsValid()) {
+        SessionInterface->ClearOnStartSessionCompleteDelegate_Handle(
+            StartSessionCompleteDelegateHandle);
+    }
+    OnStartSessionCompleteEvent.Broadcast(bSuccessful);
+
+    // TODO: Move this from gameinstance subsystem. This should not be here.
+    UGameplayStatics::OpenLevel(GetWorld(), "BattleFieldMap", true, "listen");
+}
+
+
+void USessionsGameInstanceSubsystem::EndSession() {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnCreateSessionCompleteEvent.Broadcast(false);
+        return;
+    }
+
+    EndSessionCompleteDelegateHandle = SessionInterface->
+        AddOnEndSessionCompleteDelegate_Handle(
+            EndSessionCompleteDelegate);
+
+    if (!SessionInterface->EndSession(NAME_GameSession)) {
+        SessionInterface->ClearOnEndSessionCompleteDelegate_Handle(
+            EndSessionCompleteDelegateHandle);
+
+        OnEndSessionCompleteEvent.Broadcast(false);
+    }
+}
+
+
+void USessionsGameInstanceSubsystem::OnEndSessionCompleted(
+    FName SessionName,
+    bool bSuccessful) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (SessionInterface.IsValid()) {
+        SessionInterface->ClearOnEndSessionCompleteDelegate_Handle(
+            EndSessionCompleteDelegateHandle);
+    }
+
+    OnEndSessionCompleteEvent.Broadcast(bSuccessful);
+}
+
+
+void USessionsGameInstanceSubsystem::DestroySession() {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnDestroySessionCompleteEvent.Broadcast(false);
+        return;
+    }
+
+    DestroySessionCompleteDelegateHandle = SessionInterface->
+        AddOnDestroySessionCompleteDelegate_Handle(
+            DestroySessionCompleteDelegate);
+
+    if (!SessionInterface->DestroySession(NAME_GameSession)) {
+        SessionInterface->ClearOnDestroySessionCompleteDelegate_Handle(
+            EndSessionCompleteDelegateHandle);
+
+        OnDestroySessionCompleteEvent.Broadcast(false);
+    }
+}
+
+
+void USessionsGameInstanceSubsystem::OnDestroySessionCompleted(
+    FName SessionName,
+    bool bSuccessful) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (SessionInterface.IsValid()) {
+        SessionInterface->ClearOnDestroySessionCompleteDelegate_Handle(
+            DestroySessionCompleteDelegateHandle);
+    }
+
+    OnDestroySessionCompleteEvent.Broadcast(bSuccessful);
+}
+
+
+void USessionsGameInstanceSubsystem::FindSessions(int32 MaxSearchResults,
+                                            bool bIsLANQuery) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnFindSessionsCompleteEvent.Broadcast(
+            TArray<FOnlineSessionSearchResult>(), false);
+        return;
+    }
+
+    FindSessionsCompleteDelegateHandle = SessionInterface->
+        AddOnFindSessionsCompleteDelegate_Handle(
+            FindSessionsCompleteDelegate);
+
+    LastSessionSearch = MakeShareable(new FOnlineSessionSearch());
+    LastSessionSearch->MaxSearchResults = MaxSearchResults;
+    LastSessionSearch->bIsLanQuery = bIsLANQuery;
+
+    // Disable dedicated server search (maybe enable later, when dedicated server is implemented)
+    // LastSessionSearch->QuerySettings.Set(SEARCH_PRESENCE, true, EOnlineComparisonOp::Equals);
+
+    const ULocalPlayer *LocalPlayer = GetWorld()->
+        GetFirstLocalPlayerFromController();
+    if (!SessionInterface->FindSessions(*LocalPlayer->GetPreferredUniqueNetId(),
+                                        LastSessionSearch.ToSharedRef())) {
+        SessionInterface->ClearOnFindSessionsCompleteDelegate_Handle(
+            FindSessionsCompleteDelegateHandle);
+
+        OnFindSessionsCompleteEvent.Broadcast(
+            TArray<FOnlineSessionSearchResult>(), false);
+    }
+}
+
+
+void USessionsGameInstanceSubsystem::OnFindSessionsCompleted(bool bSuccessful) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (SessionInterface.IsValid()) {
+        SessionInterface->ClearOnFindSessionsCompleteDelegate_Handle(
+            FindSessionsCompleteDelegateHandle);
+    }
+
+    if (LastSessionSearch->SearchResults.Num() <= 0) {
+        OnFindSessionsCompleteEvent.Broadcast(
+            TArray<FOnlineSessionSearchResult>(), bSuccessful);
+        return;
+    }
+
+    OnFindSessionsCompleteEvent.Broadcast(LastSessionSearch->SearchResults,
+                                          bSuccessful);
+}
+
+
+void USessionsGameInstanceSubsystem::JoinSession(
+    const FOnlineSessionSearchResult &SessionSearchResult) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnJoinSessionCompleteEvent.Broadcast(
+            EOnJoinSessionCompleteResult::UnknownError);
+        return;
+    }
+
+    JoinSessionCompleteDelegateHandle = SessionInterface->
+        AddOnJoinSessionCompleteDelegate_Handle(
+            JoinSessionCompleteDelegate);
+
+    const ULocalPlayer *LocalPlayer = GetWorld()->
+        GetFirstLocalPlayerFromController();
+    if (!SessionInterface->JoinSession(*LocalPlayer->GetPreferredUniqueNetId(),
+                                       NAME_GameSession, SessionSearchResult)) {
+        SessionInterface->ClearOnJoinSessionCompleteDelegate_Handle(
+            JoinSessionCompleteDelegateHandle);
+
+        OnJoinSessionCompleteEvent.Broadcast(
+            EOnJoinSessionCompleteResult::UnknownError);
+    }
+}
+
+void USessionsGameInstanceSubsystem::JoinSession(const int32 Index) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        OnJoinSessionCompleteEvent.Broadcast(
+            EOnJoinSessionCompleteResult::UnknownError);
+        return;
+    }
+    if (!LastSessionSearch.IsValid() || Index >= LastSessionSearch->
+                                                 SearchResults.Num()) {
+        OnJoinSessionCompleteEvent.Broadcast(
+            EOnJoinSessionCompleteResult::UnknownError);
+        return;
+    }
+
+    JoinSessionCompleteDelegateHandle = SessionInterface->
+        AddOnJoinSessionCompleteDelegate_Handle(
+            JoinSessionCompleteDelegate);
+
+    const ULocalPlayer *LocalPlayer = GetWorld()->
+        GetFirstLocalPlayerFromController();
+    if (!SessionInterface->JoinSession(*LocalPlayer->GetPreferredUniqueNetId(),
+                                       NAME_GameSession,
+                                       LastSessionSearch->SearchResults[
+                                           Index])) {
+        SessionInterface->ClearOnJoinSessionCompleteDelegate_Handle(
+            JoinSessionCompleteDelegateHandle);
+
+        OnJoinSessionCompleteEvent.Broadcast(
+            EOnJoinSessionCompleteResult::UnknownError);
+    }
+}
+
+
+void USessionsGameInstanceSubsystem::OnJoinSessionCompleted(
+    FName SessionName,
+    EOnJoinSessionCompleteResult::Type Result) {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (SessionInterface.IsValid()) {
+        SessionInterface->ClearOnJoinSessionCompleteDelegate_Handle(
+            JoinSessionCompleteDelegateHandle);
+    }
+
+    OnJoinSessionCompleteEvent.Broadcast(Result);
+}
+
+
+bool USessionsGameInstanceSubsystem::TryConnectToCurrentSession() const {
+    const IOnlineSessionPtr SessionInterface = Online::GetSessionInterface(
+        GetWorld());
+    if (!SessionInterface.IsValid()) {
+        return false;
+    }
+
+    FString ConnectString;
+    if (!SessionInterface->GetResolvedConnectString(
+        NAME_GameSession, ConnectString)) {
+        return false;
+    }
+
+    APlayerController *PlayerController = GetWorld()->
+        GetFirstPlayerController();
+    PlayerController->ClientTravel(ConnectString, TRAVEL_Absolute);
+    return true;
+}
+
+void USessionsGameInstanceSubsystem::QuitCurrentSession() {
+    if (bIsHost) {
+        UGameplayStatics::GetGameMode(GetWorld())->ReturnToMainMenuHost();
+    } else {
+        APlayerController *LocalController = GEngine->
+            GetFirstLocalPlayerController(GetWorld());
+        LocalController->ClientReturnToMainMenuWithTextReason(
+            FText::FromString("Session ended"));
+    }
+    bIsHost = false;
+    DestroySession();
+}

Source/TurnBasedTutorial/SessionsGameInstanceSubsystem.h

@@ -0,0 +1,116 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "OnlineSessionSettings.h"
+#include "Interfaces/OnlineSessionInterface.h"
+#include "Subsystems/GameInstanceSubsystem.h"
+#include "SessionsGameInstanceSubsystem.generated.h"
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnCreateSessionComplete, bool,
+                                            bSuccessful);
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnUpdateSessionComplete, bool,
+                                            bSuccessful);
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnStartSessionCompete, bool,
+                                            bSuccessful);
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnEndSessionComplete, bool,
+                                            bSuccessful);
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FMyOnDestroySessionComplete, bool,
+                                            bSuccessful);
+
+DECLARE_MULTICAST_DELEGATE_TwoParams(FMyOnFindSessionsComplete,
+                                     const TArray<FOnlineSessionSearchResult>&
+                                     SessionResults, bool bSuccessful);
+
+DECLARE_MULTICAST_DELEGATE_OneParam(FMyOnJoinSessionCompele,
+                                    EOnJoinSessionCompleteResult::Type Result);
+/**
+ * 
+ */
+UCLASS()
+class TURNBASEDTUTORIAL_API USessionsGameInstanceSubsystem
+    : public UGameInstanceSubsystem {
+    GENERATED_BODY()
+
+public:
+    USessionsGameInstanceSubsystem();
+
+    void CreateSession(FString SessionName,
+                       int32 NumPublicConnections,
+                       bool bIsLANMatch);
+
+    void UpdateSession();
+
+    void StartSession();
+
+    void EndSession();
+
+    void DestroySession();
+
+    void FindSessions(int32 MaxSearchResults, bool bIsLANQuery);
+
+    void JoinSession(const FOnlineSessionSearchResult &SessionSearchResult);
+
+    void JoinSession(const int32 Index);
+
+    bool TryConnectToCurrentSession() const;
+
+    void QuitCurrentSession();
+
+    void UpdateSessionName(FString NewSessionName);
+
+    FMyOnCreateSessionComplete OnCreateSessionCompleteEvent;
+    FMyOnUpdateSessionComplete OnUpdateSessionCompleteEvent;
+    FMyOnStartSessionCompete OnStartSessionCompleteEvent;
+    FMyOnEndSessionComplete OnEndSessionCompleteEvent;
+    FMyOnDestroySessionComplete OnDestroySessionCompleteEvent;
+    FMyOnFindSessionsComplete OnFindSessionsCompleteEvent;
+    FMyOnJoinSessionCompele OnJoinSessionCompleteEvent;
+
+protected:
+    void OnCreateSessionCompleted(FName SessionName, bool bSuccessful);
+
+    void OnUpdateSessionCompleted(FName SessionName, bool bSuccessful);
+
+    void OnStartSessionCompleted(FName SessionName, bool bSuccessful);
+
+    void OnEndSessionCompleted(FName SessionName, bool bSuccessful);
+
+    void OnDestroySessionCompleted(FName SessionName, bool bSuccessful);
+
+    void OnFindSessionsCompleted(bool bSuccessful);
+
+    void OnJoinSessionCompleted(FName SessionName,
+                                EOnJoinSessionCompleteResult::Type Result);
+
+private:
+    bool bIsHost;
+
+    FOnCreateSessionCompleteDelegate CreateSessionCompleteDelegate;
+    FDelegateHandle CreateSessionCompleteDelegateHandle;
+    TSharedPtr<FOnlineSessionSettings> LastSessionSettings;
+
+    FOnUpdateSessionCompleteDelegate UpdateSessionCompleteDelegate;
+    FDelegateHandle UpdateSessionCompleteDelegateHandle;
+
+    FOnStartSessionCompleteDelegate StartSessionCompleteDelegate;
+    FDelegateHandle StartSessionCompleteDelegateHandle;
+
+    FOnEndSessionCompleteDelegate EndSessionCompleteDelegate;
+    FDelegateHandle EndSessionCompleteDelegateHandle;
+
+    FOnDestroySessionCompleteDelegate DestroySessionCompleteDelegate;
+    FDelegateHandle DestroySessionCompleteDelegateHandle;
+
+    FOnFindSessionsCompleteDelegate FindSessionsCompleteDelegate;
+    FDelegateHandle FindSessionsCompleteDelegateHandle;
+    TSharedPtr<FOnlineSessionSearch> LastSessionSearch;
+
+    FOnJoinSessionCompleteDelegate JoinSessionCompleteDelegate;
+    FDelegateHandle JoinSessionCompleteDelegateHandle;
+};

Source/TurnBasedTutorial/TurnBasedTutorial.cpp

@@ -3,4 +3,5 @@
 #include "TurnBasedTutorial.h"
 #include "Modules/ModuleManager.h"
 
-IMPLEMENT_PRIMARY_GAME_MODULE( FDefaultGameModuleImpl, TurnBasedTutorial, "TurnBasedTutorial" );
+IMPLEMENT_PRIMARY_GAME_MODULE(FDefaultGameModuleImpl, TurnBasedTutorial,
+                              "TurnBasedTutorial");

Source/TurnBasedTutorial/TurnBasedTutorial.h

@@ -3,4 +3,3 @@
 #pragma once
 
 #include "Core.h"
-