normal convenient movement, borders at hp widgets, explosions, beautiful fireballs

Source/TurnBasedTutorial/MyExplosion.cpp

@@ -0,0 +1,68 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "MyExplosion.h"
+
+#include "Trooper.h"
+#include "Components/SphereComponent.h"
+#include "Net/UnrealNetwork.h"
+#include "Particles/ParticleSystemComponent.h"
+
+AMyExplosion::AMyExplosion() {
+    // if (!CollisionComponent) {
+    //     CollisionComponent = CreateDefaultSubobject<USphereComponent>(
+    //         TEXT("SphereComponent"));
+    //     RootComponent = CollisionComponent;
+    // }
+    if (!ParticleSystemComponent) {
+        ParticleSystemComponent = CreateDefaultSubobject<
+            UParticleSystemComponent>(
+            TEXT("ParticleSystemComponent"));
+        RootComponent = ParticleSystemComponent;
+    }
+    InitialLifeSpan = 1.0f;
+}
+
+void AMyExplosion::Initialize(float damage,
+                              float splashRadius,
+                              uint8 playerIndex) {
+    Damage = damage;
+    PlayerIndex = playerIndex;
+    float Scale = splashRadius / 50;
+    // CollisionComponent->SetWorldScale3D({Scale, Scale, Scale});
+    if (ParticleSystemComponent && ParticleSystemComponent->IsValidLowLevel()) {
+        ParticleSystemComponent->SetWorldScale3D({Scale, Scale, Scale});
+    }
+}
+
+void AMyExplosion::BeginPlay() {
+    Super::BeginPlay();
+}
+
+void AMyExplosion::NotifyActorBeginOverlap(AActor *OtherActor) {
+    Super::NotifyActorBeginOverlap(OtherActor);
+    ATrooper *OtherTrooper = Cast<ATrooper>(OtherActor);
+    if (OtherTrooper) {
+        UE_LOG(LogTemp, Warning,
+               TEXT(
+                   "Begin explosion overlap: id: %d, index: %d, damage: %f, my index: %d"
+               ),
+               OtherTrooper->GetId(), OtherTrooper->GetPlayerIndex(), Damage,
+               PlayerIndex);
+        if (PlayerIndex != -1 && PlayerIndex != OtherTrooper->
+            GetPlayerIndex()) {
+            OtherTrooper->TakeDamage(Damage);
+        }
+    } else {
+        UE_LOG(LogTemp, Warning, TEXT("Overlapped not a trooper"));
+    }
+}
+
+void AMyExplosion::GetLifetimeReplicatedProps(
+    TArray<FLifetimeProperty> &OutLifetimeProps) const {
+    Super::GetLifetimeReplicatedProps(OutLifetimeProps);
+    DOREPLIFETIME(AMyExplosion, Damage);
+    DOREPLIFETIME(AMyExplosion, PlayerIndex);
+    // DOREPLIFETIME(AMyExplosion, CollisionComponent);
+    DOREPLIFETIME(AMyExplosion, ParticleSystemComponent);
+}

Source/TurnBasedTutorial/MyExplosion.h

@@ -0,0 +1,37 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "Components/SphereComponent.h"
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "MyExplosion.generated.h"
+
+UCLASS()
+class TURNBASEDTUTORIAL_API AMyExplosion : public AActor {
+    GENERATED_BODY()
+
+public:
+    AMyExplosion();
+
+    void Initialize(float damage,
+                    float splashRadius,
+                    uint8 playerIndex);
+
+protected:
+    virtual void BeginPlay() override;
+
+    virtual void NotifyActorBeginOverlap(AActor *OtherActor) override;
+
+    UPROPERTY(Replicated)
+    float Damage;
+
+    UPROPERTY(Replicated)
+    int8 PlayerIndex = -1;
+    
+    // UPROPERTY(EditAnywhere, Replicated)
+    // USphereComponent *CollisionComponent;
+
+    UPROPERTY(EditAnywhere, Replicated)
+    UParticleSystemComponent *ParticleSystemComponent;
+};

Source/TurnBasedTutorial/MyGameState.cpp

@@ -18,18 +18,13 @@ void AMyGameState::AddTrooper_Implementation(ATrooper *Trooper) {
     Troopers.Add(Trooper);
 }
 
-void AMyGameState::StartGame_Implementation() const {
-    PlayerNotInTurn()->SetEnemySelection(Troopers);
-    PlayerInTurn()->SetEnemySelection(Troopers);
+void AMyGameState::StartGame_Implementation() {
+    PlayerNotInTurn()->SetEnemySelection();
+    PlayerInTurn()->SetEnemySelection();
+    bGameStarted = true;
     PlayerInTurn()->StartTurn();
 }
 
-// void AMyGameState::StartGame() const {
-//     PlayerNotInTurn()->SetEnemySelection(Troopers);
-//     PlayerInTurn()->SetEnemySelection(Troopers);
-//     PlayerInTurn()->StartTurn();
-// }
-
 void AMyGameState::CycleTurns_Implementation() {
     PlayerInTurn()->EndTurn();
     for (const auto Trooper : Troopers) {
@@ -70,9 +65,14 @@ bool AMyGameState::IsInTurn(uint8 PlayerIndex) const {
     return PlayerIndex == CurrentPlayerTurn;
 }
 
+bool AMyGameState::IsGameStarted() const {
+    return bGameStarted;
+}
+
 void AMyGameState::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
     DOREPLIFETIME(AMyGameState, Troopers);
     DOREPLIFETIME(AMyGameState, CurrentPlayerTurn);
+    DOREPLIFETIME(AMyGameState, bGameStarted);
 }

Source/TurnBasedTutorial/MyGameState.h

@@ -21,7 +21,7 @@ public:
     void AddTrooper(ATrooper *Trooper);
 
     UFUNCTION(Server, Reliable)
-    void StartGame() const;
+    void StartGame();
     
     UFUNCTION(BlueprintCallable, Server, Reliable)
     void CycleTurns();
@@ -38,10 +38,16 @@ public:
     UFUNCTION()
     bool IsInTurn(uint8 PlayerIndex) const;
 
+    UFUNCTION()
+    bool IsGameStarted() const;
+
 private:
     UPROPERTY(Replicated)
     TArray<ATrooper *> Troopers;
 
+    UPROPERTY(Replicated)
+    bool bGameStarted = false;
+
     UPROPERTY(Replicated)
     uint8 CurrentPlayerTurn{0};
     

Source/TurnBasedTutorial/MyPawn.cpp

@@ -15,6 +15,20 @@ void AMyPawn::BeginPlay() {
     Super::BeginPlay();
 }
 
+void AMyPawn::MoveForward(float Val) {
+    if (Val != 0.f)
+    {
+        if (Controller)
+        {
+            FRotator ControlSpaceRot = Controller->GetControlRotation();
+            ControlSpaceRot.Pitch = 0;
+
+            // transform to world space and add it
+            AddMovementInput( FRotationMatrix(ControlSpaceRot).GetScaledAxis( EAxis::X ), Val );
+        }
+    }
+}
+
 // Called every frame
 void AMyPawn::Tick(float DeltaTime) {
     Super::Tick(DeltaTime);

Source/TurnBasedTutorial/MyPawn.h

@@ -19,6 +19,8 @@ protected:
     // Called when the game starts or when spawned
     virtual void BeginPlay() override;
 
+    virtual void MoveForward(float Val) override;
+
 public:
     // Called every frame
     virtual void Tick(float DeltaTime) override;

Source/TurnBasedTutorial/MyPlayerState.cpp

@@ -4,10 +4,12 @@
 #include "MyPlayerState.h"
 
 #include "MyGameState.h"
+#include "Kismet/GameplayStatics.h"
 #include "Net/UnrealNetwork.h"
 
 AMyPlayerState::AMyPlayerState()
     : Super(), bIsMyTurn(false), SelectedTrooper(nullptr) {
+    // PrimaryActorTick.bCanEverTick = true;
 }
 
 void AMyPlayerState::BeginPlay() {
@@ -18,15 +20,35 @@ auto AMyPlayerState::GetMyGameState() const {
     return Cast<AMyGameState>(GetWorld()->GetGameState());
 }
 
+// void AMyPlayerState::Tick(float DeltaSeconds) {
+//     Super::Tick(DeltaSeconds);
+//     if (GetMyGameState() && GetMyGameState()->IsGameStarted()) {
+//         // for (const auto Actor : Troopers) {
+//         //     const auto Trooper = Cast<ATrooper>(Actor);
+//         //     if (Trooper != nullptr && Trooper->GetPlayerIndex() !=
+//         //         PlayerIndex) {
+//         //         Trooper->HighlightAsEnemy(PlayerIndex);
+//         //     }
+//         // }
+//         bIsSelectionInitialized = true;
+//         SetActorTickEnabled(false);
+//     }
+// }
+
 void AMyPlayerState::SetPlayerIndex(uint8 NewPlayerIndex) {
     PlayerIndex = NewPlayerIndex;
 }
 
 void AMyPlayerState::SetEnemySelection_Implementation(
-    const TArray<ATrooper *> &Troopers) const {
-    for (const auto Trooper : Troopers) {
-        if (Trooper != nullptr && Trooper->GetPlayerIndex() != PlayerIndex) {
-            Trooper->HighlightAsEnemy();
+    /*const TArray<AActor *> &Troopers*/) const {
+    TArray<AActor *> Troopers;
+    UGameplayStatics::GetAllActorsOfClass(GetWorld(),
+                                          ATrooper::StaticClass(),
+                                          Troopers);
+    for (const auto Actor : Troopers) {
+        const auto Trooper = Cast<ATrooper>(Actor);
+        if (Trooper != nullptr) {
+            Trooper->HighlightAsEnemy(PlayerIndex);
         }
     }
 }
@@ -60,7 +82,8 @@ void AMyPlayerState::MoveTrooper_Implementation(ATrooper *Trooper,
 void AMyPlayerState::Attack_Implementation(ATrooper *Attacker,
                                            FVector Location,
                                            int ActionIndex,
-                                           const TArray<ATrooper *> &Troopers) {
+                                           const TArray<ATrooper *> &
+                                           Troopers) {
     if (Attacker->CheckAttackCorrectness(Location, ActionIndex)) {
         Attacker->Attack(ActionIndex, Location);
         // for (const auto Trooper : Troopers) {
@@ -96,7 +119,6 @@ void AMyPlayerState::SetMyTurn(bool bMyTurn) {
     }
 }
 
-
 void AMyPlayerState::StartTurn_Implementation() {
     SetMyTurn(true);
     UE_LOG(LogTemp, Warning, TEXT("Your turn, %d"), PlayerIndex);
@@ -104,7 +126,8 @@ void AMyPlayerState::StartTurn_Implementation() {
 
 void AMyPlayerState::EndTurn_Implementation() {
     if (bIsMyTurn) {
-        UE_LOG(LogTemp, Warning, TEXT("End Turn from player %d"), PlayerIndex);
+        UE_LOG(LogTemp, Warning, TEXT("End Turn from player %d"),
+               PlayerIndex);
         SetMyTurn(false);
         if (SelectedTrooper) {
             SelectedTrooper->SetSelection(false, CurrentAction);
@@ -117,7 +140,6 @@ void AMyPlayerState::EndTurn_Implementation() {
     }
 }
 
-
 void AMyPlayerState::OnPlayerAction(const FHitResult &HitResult) {
     auto const NewlySelectedLocation = HitResult.Location;
     ATrooper *NewlySelectedTrooper = Cast<ATrooper>(
@@ -132,7 +154,8 @@ void AMyPlayerState::OnPlayerAction(const FHitResult &HitResult) {
     if (NewlySelectedTrooper == nullptr || !NewlySelectedTrooper->
         IsValidLowLevel() || NewlySelectedTrooper->GetPlayerIndex() !=
         PlayerIndex) {
-        if (SelectedTrooper != nullptr && SelectedTrooper->IsValidLowLevel()) {
+        if (SelectedTrooper != nullptr && SelectedTrooper->
+            IsValidLowLevel()) {
             switch (CurrentAction) {
                 case 0:
                     UE_LOG(LogTemp, Warning, TEXT("Do move"));
@@ -153,7 +176,8 @@ void AMyPlayerState::OnPlayerAction(const FHitResult &HitResult) {
             }
         }
     } else if (NewlySelectedTrooper != nullptr && NewlySelectedTrooper->
-               IsValidLowLevel() && NewlySelectedTrooper->GetPlayerIndex() ==
+               IsValidLowLevel() && NewlySelectedTrooper->GetPlayerIndex()
+               ==
                PlayerIndex) {
         UE_LOG(LogTemp, Warning, TEXT("Do reselect"));
         // our move, selection
@@ -170,11 +194,11 @@ void AMyPlayerState::SetCurrentAction_Implementation(int Action) {
     if (SelectedTrooper) {
         SelectedTrooper->UpdateSelectionRadius(Action);
     }
-    UE_LOG(LogTemp, Warning, TEXT("SetCurrentAction: %d on Player Controller "
+    UE_LOG(LogTemp, Warning,
+           TEXT("SetCurrentAction: %d on Player Controller "
                "with index %d"), CurrentAction, PlayerIndex);
 }
 
-
 uint8 AMyPlayerState::GetPlayerIndex() const {
     return PlayerIndex;
 }
@@ -186,4 +210,5 @@ void AMyPlayerState::GetLifetimeReplicatedProps(
     DOREPLIFETIME(AMyPlayerState, CurrentAction);
     DOREPLIFETIME(AMyPlayerState, bIsMyTurn);
     DOREPLIFETIME(AMyPlayerState, SelectedTrooper);
+    DOREPLIFETIME(AMyPlayerState, bIsSelectionInitialized);
 }

Source/TurnBasedTutorial/MyPlayerState.h

@@ -19,6 +19,8 @@ public:
 
     virtual void BeginPlay() override;
 
+    // virtual void Tick(float DeltaSeconds) override;
+
     UFUNCTION(Client, Reliable)
     void StartTurn();
 
@@ -53,10 +55,11 @@ public:
     void SetPlayerIndex(uint8 NewPlayerIndex);
 
     UFUNCTION(Client, Reliable)
-    void SetEnemySelection(const TArray<ATrooper *> &Troopers) const;
-
+    void SetEnemySelection(/*const TArray<AActor *> &Troopers*/) const;
 
 private:
+    UPROPERTY(Replicated)
+    bool bIsSelectionInitialized = false;
     
     UPROPERTY(Replicated)
     uint8 PlayerIndex;

Source/TurnBasedTutorial/MyProjectile.cpp

@@ -47,6 +47,7 @@ void AMyProjectile::Initialize(const UAbility *Ability,
     ProjectileMovementComponent->InitialSpeed =
         ProjectileMovementComponent->MaxSpeed = Ability->Speed;
     Damage = Ability->Damage;
+    SplashRadius = Ability->SplashRadius;
     float Scale = Ability->LinearWidth / 100;
     // CollisionComponent->SetSphereRadius(Ability->LinearWidth / 2);
     ProjectileMeshComponent->SetWorldScale3D({Scale, Scale, Scale});
@@ -77,38 +78,55 @@ void AMyProjectile::NotifyActorBeginOverlap(AActor *OtherActor) {
     }
 }
 
-void AMyProjectile::NotifyHit(UPrimitiveComponent *MyComp,
-                              AActor *Other,
-                              UPrimitiveComponent *OtherComp,
-                              bool bSelfMoved,
-                              FVector HitLocation,
-                              FVector HitNormal,
-                              FVector NormalImpulse,
-                              const FHitResult &Hit) {
-    Super::NotifyHit(MyComp, Other, OtherComp, bSelfMoved, HitLocation,
-                     HitNormal,
-                     NormalImpulse, Hit);
-    ATrooper *OtherTrooper = Cast<ATrooper>(Other);
-    if (OtherTrooper) {
-        UE_LOG(LogTemp, Warning,
-               TEXT("On Hit: id: %d, index: %d, damage: %f, my index: %d"
-               ),
-               OtherTrooper->GetId(), OtherTrooper->GetPlayerIndex(), Damage,
-               PlayerIndex);
-        if (PlayerIndex != -1 && PlayerIndex != OtherTrooper->
-            GetPlayerIndex()) {
-            OtherTrooper->TakeDamage(Damage);
-        }
-    } else {
-        UE_LOG(LogTemp, Warning, TEXT("Overlapped not a trooper"));
-    }
-}
+// void AMyProjectile::NotifyHit(UPrimitiveComponent *MyComp,
+//                               AActor *Other,
+//                               UPrimitiveComponent *OtherComp,
+//                               bool bSelfMoved,
+//                               FVector HitLocation,
+//                               FVector HitNormal,
+//                               FVector NormalImpulse,
+//                               const FHitResult &Hit) {
+//     Super::NotifyHit(MyComp, Other, OtherComp, bSelfMoved, HitLocation,
+//                      HitNormal,
+//                      NormalImpulse, Hit);
+//     ATrooper *OtherTrooper = Cast<ATrooper>(Other);
+//     if (OtherTrooper) {
+//         UE_LOG(LogTemp, Warning,
+//                TEXT("On Hit: id: %d, index: %d, damage: %f, my index: %d"
+//                ),
+//                OtherTrooper->GetId(), OtherTrooper->GetPlayerIndex(), Damage,
+//                PlayerIndex);
+//         if (PlayerIndex != -1 && PlayerIndex != OtherTrooper->
+//             GetPlayerIndex()) {
+//             OtherTrooper->TakeDamage(Damage);
+//         }
+//     } else {
+//         UE_LOG(LogTemp, Warning, TEXT("Overlapped not a trooper"));
+//     }
+// }
 
 
 void AMyProjectile::BeginPlay() {
     Super::BeginPlay();
 }
 
+void AMyProjectile::EndPlay(const EEndPlayReason::Type EndPlayReason) {
+    Super::EndPlay(EndPlayReason);
+    Explode();
+}
+
+void AMyProjectile::Explode_Implementation() const {
+    const FTransform SpawnTransform = GetTransform();
+    FActorSpawnParameters SpawnParameters;
+    SpawnParameters.Instigator = GetInstigator();
+    SpawnParameters.SpawnCollisionHandlingOverride =
+        ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
+    AMyExplosion *Explosion = GetWorld()->SpawnActor<AMyExplosion>(
+        ExplosionSubclass, SpawnTransform, SpawnParameters);
+    Explosion->Initialize(Damage, SplashRadius, PlayerIndex);
+    Explosion->SetActorLocation(GetActorLocation());
+}
+
 void AMyProjectile::GetLifetimeReplicatedProps(
     TArray<FLifetimeProperty> &OutLifetimeProps) const {
     Super::GetLifetimeReplicatedProps(OutLifetimeProps);
@@ -117,4 +135,5 @@ void AMyProjectile::GetLifetimeReplicatedProps(
     // DOREPLIFETIME(AMyProjectile, CollisionComponent);
     DOREPLIFETIME(AMyProjectile, ProjectileMeshComponent);
     DOREPLIFETIME(AMyProjectile, ProjectileMovementComponent);
+    DOREPLIFETIME(AMyProjectile, SplashRadius);
 }

Source/TurnBasedTutorial/MyProjectile.h

@@ -4,6 +4,7 @@
 
 #include "CoreMinimal.h"
 #include "Ability.h"
+#include "MyExplosion.h"
 #include "Components/SphereComponent.h"
 #include "GameFramework/Actor.h"
 #include "GameFramework/ProjectileMovementComponent.h"
@@ -24,15 +25,18 @@ public:
 
 protected:
     virtual void NotifyActorBeginOverlap(AActor *OtherActor) override;
+    
+    UPROPERTY(EditAnywhere, BlueprintReadWrite)
+    TSubclassOf<AMyExplosion> ExplosionSubclass;
 
-    virtual void NotifyHit(UPrimitiveComponent *MyComp,
-                           AActor *Other,
-                           UPrimitiveComponent *OtherComp,
-                           bool bSelfMoved,
-                           FVector HitLocation,
-                           FVector HitNormal,
-                           FVector NormalImpulse,
-                           const FHitResult &Hit) override;
+    // virtual void NotifyHit(UPrimitiveComponent *MyComp,
+    //                        AActor *Other,
+    //                        UPrimitiveComponent *OtherComp,
+    //                        bool bSelfMoved,
+    //                        FVector HitLocation,
+    //                        FVector HitNormal,
+    //                        FVector NormalImpulse,
+    //                        const FHitResult &Hit) override;
 
     UPROPERTY(Replicated)
     float Damage;
@@ -40,6 +44,9 @@ protected:
     UPROPERTY(Replicated)
     int8 PlayerIndex = -1;
 
+    UPROPERTY(Replicated)
+    float SplashRadius;
+
     // UPROPERTY(EditAnywhere, Replicated)
     // USphereComponent *CollisionComponent;
 
@@ -50,4 +57,9 @@ protected:
     UProjectileMovementComponent *ProjectileMovementComponent;
 
     virtual void BeginPlay() override;
+
+    virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
+
+    UFUNCTION(Server, Reliable)
+    void Explode() const;
 };

Source/TurnBasedTutorial/Trooper.cpp

@@ -113,20 +113,20 @@ void ATrooper::Tick(float const DeltaTime) {
     }
 }
 
-void ATrooper::OnRepNotify_PlayerIndex() const {
-    const AMyPlayerState *player = Cast<AMyPlayerState>(
-        GetPlayerState());
-    if (!player)
-        return;
-    const uint8 ClientIndex = player->GetPlayerIndex();
-    UE_LOG(LogTemp, Warning,
-           TEXT("On rep notify, index: %d, client index: %d, id: %d"),
-           PlayerIndex,
-           ClientIndex, Id);
-    if (ClientIndex == PlayerIndex) {
-        HighlightAsEnemy();
-    }
-}
+// void ATrooper::OnRepNotify_PlayerIndex() const {
+//     const AMyPlayerState *player = Cast<AMyPlayerState>(
+//         GetPlayerState());
+//     if (!player)
+//         return;
+//     const uint8 ClientIndex = player->GetPlayerIndex();
+//     UE_LOG(LogTemp, Warning,
+//            TEXT("On rep notify, index: %d, client index: %d, id: %d"),
+//            PlayerIndex,
+//            ClientIndex, Id);
+//     if (ClientIndex == PlayerIndex) {
+//         HighlightAsEnemy();
+//     }
+// }
 
 void ATrooper::MoveTrooper(FVector const NewPos) {
     TargetLocation = NewPos;
@@ -225,8 +225,10 @@ void ATrooper::UpdateSelectionRadius(uint8 ActionType) const {
         {radiusScale, radiusScale, 0.01f});
 }
 
-void ATrooper::HighlightAsEnemy_Implementation() const {
-    SelectionStaticMesh->SetVisibility(true);
+void ATrooper::HighlightAsEnemy_Implementation(int8 Index) const {
+    if (PlayerIndex != Index) {
+        SelectionStaticMesh->SetVisibility(true);
+    }
 }
 
 void ATrooper::ResetActionPoints() {

Source/TurnBasedTutorial/Trooper.h

@@ -57,8 +57,8 @@ public:
     void UpdateSelectionRadius(uint8 ActionType) const;
 
     UFUNCTION(Client, Reliable)
-    void HighlightAsEnemy() const;
-
+    void HighlightAsEnemy(int8 Index) const;
+    
     UFUNCTION()
     void ResetActionPoints();
 
@@ -160,11 +160,11 @@ protected:
 
     // const TCHAR *MeshPath = nullptr;
 
-    UFUNCTION()
-    void OnRepNotify_PlayerIndex() const;
+    // UFUNCTION()
+    // void OnRepNotify_PlayerIndex() const;
     
-    UPROPERTY(ReplicatedUsing = OnRepNotify_PlayerIndex)
-    uint8 PlayerIndex = -1;
+    UPROPERTY(Replicated/*Using = OnRepNotify_PlayerIndex*/)
+    int8 PlayerIndex = -1;
     
     UPROPERTY(Replicated)
     uint8 Id;