Source/Nakatomi/Decorators/BTDCanSeeTarget.cpp

@@ -0,0 +1,27 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Decorators/BTDCanSeeTarget.h"
+
+#include "AIController.h"
+#include "BehaviorTree/BlackboardComponent.h"
+
+bool UBTDCanSeeTarget::CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const
+{
+	FHitResult HitResult;
+	
+	FVector Start = OwnerComp.GetAIOwner()->GetPawn()->GetActorLocation();
+
+	UBlackboardComponent* BlackboardComponent = OwnerComp.GetBlackboardComponent();
+	AActor* TargetActor = Cast<AActor>(BlackboardComponent->GetValueAsObject(TargetActorKey.SelectedKeyName));
+	FVector End = TargetActor->GetActorLocation();
+
+	GetWorld()->LineTraceSingleByChannel(HitResult, Start, End, ECC_Pawn);
+
+	if (HitResult.GetActor())
+	{
+		return true;
+	}
+
+	return false;
+}

Source/Nakatomi/Decorators/BTDCanSeeTarget.h

@@ -0,0 +1,24 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTDecorator.h"
+#include "BTDCanSeeTarget.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTDCanSeeTarget : public UBTDecorator
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(EditAnywhere, Category = "Options",
+		Meta = (AllowPrivateAccess = "true", DisplayName = "Target Actor Key"))
+	FBlackboardKeySelector TargetActorKey;
+
+protected:
+	virtual bool CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const override;
+};

Source/Nakatomi/Decorators/BTDHasPatrolRoute.cpp

@@ -0,0 +1,14 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Decorators/BTDHasPatrolRoute.h"
+
+#include "Nakatomi/EnemyAIController.h"
+
+bool UBTDHasPatrolRoute::CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const
+{
+	AEnemyAIController* enemyController = Cast<AEnemyAIController>(OwnerComp.GetAIOwner());
+	AEnemyCharacter* enemyPawn = Cast<AEnemyCharacter>(enemyController->GetPawn());
+
+	return enemyPawn->CurrentPatrolRoute ? true : false;
+}

Source/Nakatomi/Decorators/BTDHasPatrolRoute.h

@@ -0,0 +1,19 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTDecorator.h"
+#include "BTDHasPatrolRoute.generated.h"
+
+/**
+ * 
+ */
+UCLASS(Blueprintable)
+class NAKATOMI_API UBTDHasPatrolRoute : public UBTDecorator
+{
+	GENERATED_BODY()
+
+public:
+	virtual bool CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const override;
+};

Source/Nakatomi/Decorators/BTDIsHealthBelowThreshold.cpp

@@ -0,0 +1,14 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Decorators/BTDIsHealthBelowThreshold.h"
+
+#include "BehaviorTree/BlackboardComponent.h"
+
+bool UBTDIsHealthBelowThreshold::CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const
+{
+	UBlackboardComponent* BlackboardComponent = OwnerComp.GetBlackboardComponent();
+	float currentHealth = BlackboardComponent->GetValueAsFloat(CurrentHealthKey.SelectedKeyName);
+	
+	return currentHealth <= HealthThreshold ? true : false;
+}

Source/Nakatomi/Decorators/BTDIsHealthBelowThreshold.h

@@ -0,0 +1,29 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTDecorator.h"
+#include "BTDIsHealthBelowThreshold.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTDIsHealthBelowThreshold : public UBTDecorator
+{
+	GENERATED_BODY()
+
+public:
+
+	UPROPERTY(EditAnywhere, Category = "Options",
+		Meta = (AllowPrivateAccess = "true", DisplayName = "Current Health Key"))
+	FBlackboardKeySelector CurrentHealthKey;
+
+	UPROPERTY(EditAnywhere, Category = "Options",
+	Meta = (AllowPrivateAccess = "true", DisplayName = "Health Threshold"))
+	float HealthThreshold = 25.0f;
+
+protected:
+	virtual bool CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const override;
+};

Source/Nakatomi/Decorators/BTDIsWithinRange.cpp

@@ -0,0 +1,29 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Decorators/BTDIsWithinRange.h"
+
+#include "AIController.h"
+#include "navigationSystem.h"
+#include "BehaviorTree/BlackboardComponent.h"
+#include "Nakatomi/NakatomiCharacter.h"
+
+bool UBTDIsWithinRange::CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const
+{
+	UBlackboardComponent* BlackboardComponent = OwnerComp.GetBlackboardComponent();
+	float Dist = BlackboardComponent->GetValueAsFloat(DistanceKey.SelectedKeyName);
+	UObject* Target = BlackboardComponent->GetValueAsObject(TargetActorKey.SelectedKeyName);
+	auto TargetLocation = Cast<AActor>(Target)->GetActorLocation();
+	UNavigationSystemV1* NavigationSystem = FNavigationSystem::GetCurrent<UNavigationSystemV1>(GetWorld());
+
+	APawn* pawn = OwnerComp.GetAIOwner()->GetPawn();
+
+	if (pawn && NavigationSystem && TargetLocation != FVector::ZeroVector)
+	{
+		double Distance = -1.0;
+		NavigationSystem->GetPathLength(TargetLocation, pawn->GetTransform().GetLocation(), Distance);
+		return Distance <= Dist ? true : false;
+	}
+	
+	return false;
+}

Source/Nakatomi/Decorators/BTDIsWithinRange.h

@@ -0,0 +1,31 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTDecorator.h"
+#include "BTDIsWithinRange.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTDIsWithinRange : public UBTDecorator
+{
+	GENERATED_BODY()
+
+public:
+
+	UPROPERTY(EditAnywhere, Category = "Options",
+	Meta = (AllowPrivateAccess = "true", DisplayName = "Target Actor Key"))
+	FBlackboardKeySelector TargetActorKey;
+
+	UPROPERTY(EditAnywhere, Category = "Options",
+	Meta = (AllowPrivateAccess = "true", DisplayName = "Distance Key"))
+	FBlackboardKeySelector DistanceKey;
+
+public:
+
+	virtual bool CalculateRawConditionValue(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) const override;
+	
+};

Source/Nakatomi/Decorators/BTDWeaponCooldown.cpp

@@ -0,0 +1,23 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Decorators/BTDWeaponCooldown.h"
+
+#include "AIController.h"
+#include "Nakatomi/EnemyCharacter.h"
+
+void UBTDWeaponCooldown::TickNode(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, float DeltaSeconds)
+{
+	AEnemyCharacter* EnemyCharacter = Cast<AEnemyCharacter>(OwnerComp.GetAIOwner()->GetPawn());
+
+	if (EnemyCharacter && EnemyCharacter->GetCurrentWeapon())
+	{
+		const float Cooldown = EnemyCharacter->GetCurrentWeapon()->GetWeaponProperties()->WeaponCooldown;
+		if (CoolDownTime != Cooldown)
+		{
+			CoolDownTime = Cooldown;
+		}
+	}
+
+	Super::TickNode(OwnerComp, NodeMemory, DeltaSeconds);
+}

Source/Nakatomi/Decorators/BTDWeaponCooldown.h

@@ -0,0 +1,19 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/Decorators/BTDecorator_Cooldown.h"
+#include "BTDWeaponCooldown.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTDWeaponCooldown : public UBTDecorator_Cooldown
+{
+	GENERATED_BODY()
+
+protected:
+	virtual void TickNode(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, float DeltaSeconds) override;
+};

Source/Nakatomi/EAIState.cpp

@@ -0,0 +1,5 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "EAIState.h"
+

Source/Nakatomi/EAIState.h

@@ -0,0 +1,18 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+
+/**
+ * 
+ */
+UENUM(BlueprintType)
+enum class EAIState : uint8
+{
+	PASSIVE UMETA(DisplayName = "Passive"),
+	ATTACKING UMETA(DisplayName = "Attacking"),
+	FROZEN UMETA(DisplayName = "Frozen"),
+	INVESTIGATING UMETA(DisplayName = "Investigating"),
+	DEAD UMETA(DisplayName = "Dead"),
+};

Source/Nakatomi/EPatrolMovementEnum.cpp

@@ -0,0 +1,4 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "EPatrolMovementEnum.h"

Source/Nakatomi/EPatrolMovementEnum.h

@@ -0,0 +1,16 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+
+/**
+ * 
+ */
+UENUM(BlueprintType)
+enum class EPatrolMovementEnum : uint8
+{
+	SLOWWALK UMETA(DisplayName = "Slow Walk"),
+	WALK UMETA(DisplayName = "Walk"),
+	SPRINT UMETA(DisplayName = "Sprint"),
+};

Source/Nakatomi/EnemyAIController.cpp

@@ -2,6 +2,8 @@
 
 #include "EnemyAIController.h"
 #include <Kismet/GameplayStatics.h>
+
+#include "EAIState.h"
 #include "NakatomiGameInstance.h"
 #include "BehaviorTree/BehaviorTree.h"
 #include "BehaviorTree/BlackboardComponent.h"
@@ -25,8 +27,19 @@ AEnemyAIController::AEnemyAIController(const FObjectInitializer& object_initiali
 	SightConfig->DetectionByAffiliation.bDetectEnemies = true;
 	SightConfig->DetectionByAffiliation.bDetectNeutrals = true;
 
+	HearingConfig = CreateDefaultSubobject<UAISenseConfig_Hearing>(TEXT("Hearing Sense Config"));
+	HearingConfig->HearingRange = 800.0f;
+	HearingConfig->SetMaxAge(3.0f);
+	HearingConfig->DetectionByAffiliation.bDetectEnemies = true;
+	HearingConfig->DetectionByAffiliation.bDetectNeutrals = true;
+
+	DamageConfig = CreateDefaultSubobject<UAISenseConfig_Damage>(TEXT("Damage Sense Config"));
+	DamageConfig->SetMaxAge(5.0f);
+
 	AIPerception->SetDominantSense(SightConfig->GetSenseImplementation());
 	AIPerception->ConfigureSense(*SightConfig);
+	AIPerception->ConfigureSense(*HearingConfig);
+	AIPerception->ConfigureSense(*DamageConfig);
 }
 
 void AEnemyAIController::OnPossess(APawn* InPawn)
@@ -48,6 +61,11 @@ void AEnemyAIController::OnPossess(APawn* InPawn)
 		BehaviorTree->StartTree(*behaviourTree);
 		Blackboard->SetValueAsObject("SelfActor", enemy);
 	}
+
+	Blackboard->SetValueAsEnum("State",  static_cast<uint8>(EAIState::PASSIVE));
+
+	Blackboard->SetValueAsFloat("AttackRadius", enemy->AttackRadius);
+	Blackboard->SetValueAsFloat("DefendRadius", enemy->DefendRadius);
 	
 	//ensure(enemy->GetMovementComponent()->UseAccelerationForPathFollowing());
 }
@@ -116,7 +134,7 @@ void AEnemyAIController::OnDeath(FDamageInfo info)
 
 void AEnemyAIController::OnPerceptionUpdated(const TArray<AActor*>& actors)
 {
-	for (auto actor : actors)
+	for (AActor* actor : actors)
 	{
 		if (!actor->GetClass()->IsChildOf(APlayerCharacter::StaticClass()))
 		{
@@ -126,13 +144,46 @@ void AEnemyAIController::OnPerceptionUpdated(const TArray<AActor*>& actors)
 		FActorPerceptionBlueprintInfo perceptionInfo;
 		PerceptionComponent->GetActorsPerception(actor, perceptionInfo);
 
-		for (auto& stimulus : perceptionInfo.LastSensedStimuli)
+		for (FAIStimulus& stimulus : perceptionInfo.LastSensedStimuli)
 		{
-			if (!stimulus.IsValid() || stimulus.IsExpired())
+			if (!stimulus.IsValid() || stimulus.IsExpired() ||
+				static_cast<EAIState>(Blackboard->GetValueAsEnum("State")) == EAIState::DEAD)
 			{
 				continue;
 			}
 
+			FAISenseID SightID;
+			FAISenseID HearingID;
+			FAISenseID DamageID;
+
+			if (SightConfig)
+			{
+				SightID = SightConfig->GetSenseID();
+			}
+
+			if (HearingConfig)
+			{
+				HearingID = HearingConfig->GetSenseID();
+			}
+
+			if (DamageConfig)
+			{
+				DamageID = DamageConfig->GetSenseID();
+			}			
+
+			if (stimulus.Type == SightID)
+			{
+				SensedSight(actor, stimulus);
+			}
+			else if (stimulus.Type == HearingID)
+			{
+				SensedHearing(actor, stimulus);
+			}
+			else if (stimulus.Type == DamageID)
+			{
+				SensedDamaged(actor, stimulus);
+			}
+
 			Blackboard->SetValueAsObject("TargetActor", actor);
 
 			if (stimulus.IsActive())
@@ -179,3 +230,51 @@ bool AEnemyAIController::GetHasAttackToken()
 {
 	return HasAttackToken;
 }
+
+void AEnemyAIController::SetState(EAIState state)
+{
+	Blackboard->SetValueAsEnum("State",  static_cast<uint8>(state));
+}
+
+void AEnemyAIController::SetStateAsPassive()
+{
+	SetState(EAIState::PASSIVE);
+}
+
+void AEnemyAIController::SetStateAsAttacking(AActor* target)
+{
+	Blackboard->SetValueAsObject("TargetActor", target);
+	SetState(EAIState::ATTACKING);
+}
+
+AActor* AEnemyAIController::GetTargetActor()
+{
+	return Cast<AActor>(Blackboard->GetValueAsObject("TargetActor"));
+}
+
+void AEnemyAIController::SensedSight(AActor* actor, FAIStimulus& stimulus)
+{
+	EAIState CurrentState = static_cast<EAIState>(Blackboard->GetValueAsEnum("State"));
+
+	
+	if (CurrentState == EAIState::PASSIVE || CurrentState == EAIState::INVESTIGATING)
+	{
+		SetStateAsAttacking(actor);	
+	}
+}
+
+void AEnemyAIController::SensedHearing(AActor* actor, FAIStimulus& stimulus)
+{
+	EAIState CurrentState = static_cast<EAIState>(Blackboard->GetValueAsEnum("State"));
+
+	if (CurrentState == EAIState::PASSIVE || CurrentState == EAIState::INVESTIGATING)
+	{
+		SetState(EAIState::INVESTIGATING);
+		Blackboard->SetValueAsVector("InvestigationLocation",  stimulus.StimulusLocation);	
+	}
+}
+
+void AEnemyAIController::SensedDamaged(AActor* actor, FAIStimulus& stimulus)
+{
+	SetStateAsAttacking(actor);
+}

Source/Nakatomi/EnemyAIController.h

@@ -4,8 +4,11 @@
 
 #include "CoreMinimal.h"
 #include "AIController.h"
+#include "EAIState.h"
 #include "EnemyCharacter.h"
 #include "PlayerCharacter.h"
+#include "Perception/AISenseConfig_Damage.h"
+#include "Perception/AISenseConfig_Hearing.h"
 #include "Perception/AISenseConfig_Sight.h"
 #include "EnemyAIController.generated.h"
 
@@ -29,6 +32,10 @@ private:
 
 	UAISenseConfig_Sight* SightConfig;
 
+	UAISenseConfig_Hearing* HearingConfig;
+
+	UAISenseConfig_Damage* DamageConfig;
+
 	bool HasAttackToken = false;
 
 public:
@@ -59,4 +66,24 @@ public:
 
 	UFUNCTION()
 	bool GetHasAttackToken();
+
+	UFUNCTION()
+	void SetState(EAIState state);
+
+	UFUNCTION()
+	void SetStateAsPassive();
+
+	UFUNCTION()
+	void SetStateAsAttacking(AActor* target);
+
+	UFUNCTION(BlueprintCallable)
+	AActor* GetTargetActor();
+
+private:
+
+	void SensedSight(AActor* actor, FAIStimulus& stimulus);
+	
+	void SensedHearing(AActor* actor, FAIStimulus& stimulus);
+
+	void SensedDamaged(AActor* actor, FAIStimulus& stimulus);
 };

Source/Nakatomi/EnemyCharacter.cpp

@@ -2,7 +2,11 @@
 
 #include "EnemyCharacter.h"
 #include "EnemyAIController.h"
+#include "EnemyHealthComponent.h"
 #include "InteractableComponent.h"
+#include "BehaviorTree/BehaviorTree.h"
+#include "BehaviorTree/BlackboardComponent.h"
+#include "BehaviorTree/BlackboardData.h"
 
 #define COLLISION_WEAPON	ECC_GameTraceChannel1
 
@@ -10,8 +14,12 @@ AEnemyCharacter::AEnemyCharacter(const FObjectInitializer& ObjectInitializer) :
 {
 	RandomWeaponParameters = CreateDefaultSubobject<URandomWeaponParameters>(TEXT("Random Weapon Parameters"));
 
+	auto healthComponent = CreateDefaultSubobject<UEnemyHealthComponent>(TEXT("Health Component"));
+	SetHealthComponent(healthComponent);
+	GetHealthComponent()->OnDamaged.BindUFunction(this, "OnDamaged");
+	GetHealthComponent()->OnDeath.BindUFunction(this, "OnDeath");
 	GetHealthComponent()->SetMaxHealth(100.0f);
-
+	
 	this->Tags.Add(FName("Enemy"));
 }
 
@@ -49,6 +57,10 @@ void AEnemyCharacter::WeaponCooldownHandler()
 void AEnemyCharacter::BeginPlay()
 {
 	Super::BeginPlay();
+
+	AEnemyAIController* controller = Cast<AEnemyAIController>(GetController());
+	controller->GetBlackboardComponent()->SetValueAsFloat("CurrentHealth", GetHealthComponent()->GetCurrentHealth());
+	GetHealthComponent()->OnDamaged.BindUFunction(this, "OnDamaged");
 }
 
 void AEnemyCharacter::PlayOnFireAnimations()
@@ -125,3 +137,12 @@ void AEnemyCharacter::ProcessHits(TArray<FHitResult> hits)
 		}
 	}
 }
+
+void AEnemyCharacter::OnDamaged()
+{
+	Super::OnDamaged();
+
+	AEnemyAIController* controller = Cast<AEnemyAIController>(GetController());
+	controller->GetBlackboardComponent()->SetValueAsFloat("CurrentHealth", GetHealthComponent()->GetCurrentHealth());
+}
+

Source/Nakatomi/EnemyCharacter.h

@@ -4,6 +4,7 @@
 
 #include "CoreMinimal.h"
 #include "NakatomiCharacter.h"
+#include "PatrolRoute.h"
 #include "BehaviorTree/BehaviorTreeComponent.h"
 #include "RandomWeaponParameters.h"
 #include "EnemyCharacter.generated.h"
@@ -17,6 +18,16 @@ class NAKATOMI_API AEnemyCharacter : public ANakatomiCharacter
 {
 	GENERATED_BODY()
 
+public:
+	UPROPERTY(EditAnywhere, Meta = (AllowPrivateAccess = "true"))
+	APatrolRoute* CurrentPatrolRoute;
+
+	UPROPERTY(EditAnywhere)
+	float AttackRadius = 300.0;
+
+	UPROPERTY(EditAnywhere)
+	float DefendRadius = 500.0f;
+	
 private:
 	UPROPERTY(EditDefaultsOnly, Meta = (AllowPrivateAccess = "true"))
 	UBehaviorTree* BehaviourTree;
@@ -44,4 +55,7 @@ private:
 	virtual void CalculateHits(TArray<FHitResult>* hits) override;
 
 	virtual void ProcessHits(TArray<FHitResult> hits) override;
+
+protected:
+	virtual void OnDamaged() override;
 };

Source/Nakatomi/EnemyHealthComponent.cpp

@@ -0,0 +1,36 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "EnemyHealthComponent.h"
+
+#include "EnemyAIController.h"
+#include "EnemyCharacter.h"
+
+void UEnemyHealthComponent::BeginPlay()
+{
+	Super::BeginPlay();
+}
+
+void UEnemyHealthComponent::TakeDamage(AActor* damagedActor, float damage, const UDamageType* damageType,
+	AController* instigatedBy, AActor* damageCauser)
+{
+	if (damagedActor == nullptr || IsDead || !CanDamage)
+	{
+		return;
+	}
+
+	CurrentHealth -= damage;
+
+	AEnemyCharacter* enemyCharacter = Cast<AEnemyCharacter>(damagedActor);
+	UAISense_Damage::ReportDamageEvent(GetWorld(), damagedActor, damageCauser, 1,
+	                                   damageCauser->GetTransform().GetLocation(),
+	                                   damageCauser->GetTransform().GetLocation());
+	
+	OnDamaged.ExecuteIfBound({damagedActor, damage, damageType, instigatedBy, damageCauser});
+
+	if (CurrentHealth <= 0.0f)
+	{
+		IsDead = true;
+		OnDeath.ExecuteIfBound({damagedActor, damage, damageType, instigatedBy, damageCauser});
+	}
+}

Source/Nakatomi/EnemyHealthComponent.h

@@ -0,0 +1,22 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "HealthComponent.h"
+#include "EnemyHealthComponent.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UEnemyHealthComponent : public UHealthComponent
+{
+	GENERATED_BODY()
+
+protected:
+	virtual void BeginPlay() override;
+
+	virtual void TakeDamage(AActor* damagedActor, float damage, const UDamageType* damageType, AController* instigatedBy, AActor* damageCauser) override;
+	
+};

Source/Nakatomi/HealthComponent.h

@@ -39,7 +39,7 @@ public:
 	FOnDamageDelegate OnDamaged;
 	FOnDeathDelegate OnDeath;
 
-private:
+protected:
 	UPROPERTY(EditDefaultsOnly)
 	float MaxHealth = 100.f;
 
@@ -55,7 +55,7 @@ public:
 	UHealthComponent();
 
 	UFUNCTION()
-	void TakeDamage(AActor* damagedActor, float damage, const UDamageType* damageType, AController* instigatedBy,
+	virtual void TakeDamage(AActor* damagedActor, float damage, const UDamageType* damageType, AController* instigatedBy,
 	                AActor* damageCauser);
 
 	UFUNCTION()

Source/Nakatomi/NakatomiCMC.cpp

@@ -19,6 +19,12 @@ void UNakatomiCMC::InitializeComponent()
 	NakatomiCharacterOwner = Cast<ANakatomiCharacter>(GetOwner());
 }
 
+void UNakatomiCMC::BeginPlay()
+{
+	Super::BeginPlay();
+	DefaultMaxWalkSpeed = Walk_MaxWalkSpeed;
+}
+
 // Checks if we can combine the NewMove with the current move to save on data.
 // If all the data in a saved move is identical, if true, we cam tell the server to run the existing move instead.
 bool UNakatomiCMC::FSavedMove_Nakatomi::CanCombineWith(const FSavedMovePtr& NewMove, ACharacter* InCharacter,
@@ -271,6 +277,16 @@ bool UNakatomiCMC::IsCustomMovementMode(ECustomMovementMove InCustomMovementMode
 	return MovementMode == MOVE_Custom && CustomMovementMode == InCustomMovementMode;
 }
 
+void UNakatomiCMC::SetMaxWalkSpeed(float newMaxSpeed)
+{
+	Walk_MaxWalkSpeed = newMaxSpeed;
+}
+
+void UNakatomiCMC::SetMaxWalkSpeedToDefault()
+{
+	Walk_MaxWalkSpeed = DefaultMaxWalkSpeed;
+}
+
 void UNakatomiCMC::EnterSlide()
 {
 	Safe_bWantsToSlide = true;

Source/Nakatomi/NakatomiCMC.h

@@ -108,6 +108,8 @@ class NAKATOMI_API UNakatomiCMC : public UCharacterMovementComponent
 	UPROPERTY(Transient)
 	ANakatomiCharacter* NakatomiCharacterOwner;
 
+	float DefaultMaxWalkSpeed;
+
 public:
 	UPROPERTY(BlueprintAssignable)
 	FDashStartDelegate DashStartDelegate;
@@ -118,6 +120,8 @@ public:
 protected:
 	virtual void InitializeComponent() override;
 
+	virtual void BeginPlay() override;
+
 	virtual FNetworkPredictionData_Client* GetPredictionData_Client() const override;
 
 protected:
@@ -167,6 +171,12 @@ public:
 	UFUNCTION()
 	bool IsCustomMovementMode(ECustomMovementMove InCustomMovementMode) const;
 
+	UFUNCTION()
+	void SetMaxWalkSpeed(float newMaxSpeed);
+
+	UFUNCTION()
+	void SetMaxWalkSpeedToDefault();
+
 private:
 	void EnterSlide();
 	void ExitSlide();

Source/Nakatomi/NakatomiCharacter.cpp

@@ -14,9 +14,12 @@ ANakatomiCharacter::ANakatomiCharacter(const FObjectInitializer& ObjectInitializ
 
 	NakatomiCMC = Cast<UNakatomiCMC>(GetCharacterMovement());
 
-	HealthComponent = CreateDefaultSubobject<UHealthComponent>(TEXT("Health Component"));
+	// if (!HealthComponent)
-	HealthComponent->OnDamaged.BindUFunction(this, "OnDamaged");
+	// {
-	HealthComponent->OnDeath.BindUFunction(this, "OnDeath");
+	// 	HealthComponent = CreateDefaultSubobject<UHealthComponent>(TEXT("Health Component"));
+	// 	HealthComponent->OnDamaged.BindUFunction(this, "OnDamaged");
+	// 	HealthComponent->OnDeath.BindUFunction(this, "OnDeath");
+	// }
 }
 
 // Called when the game starts or when spawned

Source/Nakatomi/PatrolRoute.cpp

@@ -0,0 +1,37 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "PatrolRoute.h"
+
+// Sets default values
+APatrolRoute::APatrolRoute()
+{
+	PrimaryActorTick.bCanEverTick = false;
+
+	Spline = CreateDefaultSubobject<USplineComponent>(TEXT("Spline"));
+	Spline->SetupAttachment(RootComponent);
+}
+
+void APatrolRoute::IncrementPatrolRoute()
+{
+	if (PatrolIndex == Spline->GetNumberOfSplinePoints() - 1)
+	{
+		Direction = -1;
+	}
+	else if (PatrolIndex == 0)
+	{
+		Direction = 1;
+	}
+	
+	PatrolIndex += Direction;
+}
+
+FVector APatrolRoute::GetSplinePointAtWorld()
+{
+	return GetSplinePointAtWorld(PatrolIndex);
+}
+
+FVector APatrolRoute::GetSplinePointAtWorld(int pointIndex)
+{
+	return Spline->GetLocationAtSplinePoint(pointIndex, ESplineCoordinateSpace::World);
+}

Source/Nakatomi/PatrolRoute.h

@@ -0,0 +1,34 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Components/SplineComponent.h"
+#include "GameFramework/Actor.h"
+#include "PatrolRoute.generated.h"
+
+UCLASS()
+class NAKATOMI_API APatrolRoute : public AActor
+{
+	GENERATED_BODY()
+
+public:
+
+	UPROPERTY(BlueprintReadWrite)
+	USplineComponent* Spline;
+
+private:
+	int PatrolIndex = 0;
+
+	int Direction;
+	
+public:	
+	// Sets default values for this actor's properties
+	APatrolRoute();
+
+	void IncrementPatrolRoute();
+
+	FVector GetSplinePointAtWorld();
+	
+	FVector GetSplinePointAtWorld(int pointIndex);
+};

Source/Nakatomi/PlayerCharacter.cpp

@@ -30,6 +30,10 @@ APlayerCharacter::APlayerCharacter(const FObjectInitializer& ObjectInitializer)
 	//bUseControllerRotationYaw = true;
 	//bUseControllerRotationRoll = false;
 
+	SetHealthComponent(CreateDefaultSubobject<UHealthComponent>(TEXT("Health Component")));
+	GetHealthComponent()->OnDamaged.BindUFunction(this, "OnDamaged");
+	GetHealthComponent()->OnDeath.BindUFunction(this, "OnDeath");
+
 	// Setup the camera boom
 	CameraSpringArmComponent = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraSpringArmComponent"));
 	CameraSpringArmComponent->SetupAttachment(RootComponent);
@@ -398,6 +402,7 @@ void APlayerCharacter::ProcessHits(TArray<FHitResult> hits)
 			{
 				healthComponent->TakeDamage(Hit.GetActor(), CurrentWeapon->GetWeaponProperties()->WeaponDamage, nullptr,
 				                            GetController(), this);
+				
 				if (!healthComponent->GetIsDead())
 				{
 					OnEnemyHit.ExecuteIfBound();
@@ -437,6 +442,8 @@ void APlayerCharacter::ProcessHits(TArray<FHitResult> hits)
 				                                         true);
 			}
 		}
+
+		MakeNoise(1, this, Hit.Location);
 	}
 }
 
@@ -639,6 +646,8 @@ void APlayerCharacter::OnFire()
 
 	CurrentWeapon->PlayFireSoundAtLocation(this->GetTransform().GetLocation());
 
+	MakeNoise(1,this, this->GetTransform().GetLocation());
+
 	PlayOnFireAnimations();
 
 	CurrentWeapon->SetCurrentWeaponStatus(Cooldown);

Source/Nakatomi/Tasks/BTTClearFocus.cpp

@@ -1,5 +1,13 @@
 // Fill out your copyright notice in the Description page of Project Settings.
 
 
-#include "Tasks/BTTClearFocus.h"
+#include "../Tasks/BTTClearFocus.h"
 
+#include "Nakatomi/EnemyAIController.h"
+
+EBTNodeResult::Type UBTTClearFocus::ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory)
+{
+	auto enemyController = Cast<AEnemyAIController>(owner.GetAIOwner());
+	enemyController->ClearFocus(EAIFocusPriority::Default);
+	return EBTNodeResult::Succeeded;
+}

Source/Nakatomi/Tasks/BTTClearFocus.h

@@ -13,5 +13,8 @@ UCLASS()
 class NAKATOMI_API UBTTClearFocus : public UBTTaskNode
 {
 	GENERATED_BODY()
+
+public:
+	virtual EBTNodeResult::Type ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory) override;
 	
 };

Source/Nakatomi/Tasks/BTTMoveAlongPatrolRoute.cpp

@@ -0,0 +1,28 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Tasks/BTTMoveAlongPatrolRoute.h"
+
+#include "navigationSystem.h"
+#include "BehaviorTree/BlackboardComponent.h"
+#include "Nakatomi/EnemyAIController.h"
+#include "Nakatomi/NakatomiCMC.h"
+
+EBTNodeResult::Type UBTTMoveAlongPatrolRoute::ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory)
+{
+	AEnemyAIController* enemyController = Cast<AEnemyAIController>(owner.GetAIOwner());
+	AEnemyCharacter* enemyPawn = Cast<AEnemyCharacter>(enemyController->GetPawn());
+
+	if (enemyPawn->CurrentPatrolRoute)
+	{
+		FVector location = enemyPawn->CurrentPatrolRoute->GetSplinePointAtWorld();
+		UBlackboardComponent* blackboardComponent = owner.GetBlackboardComponent();
+		blackboardComponent->SetValueAsVector(PatrolLocationKey.SelectedKeyName, location);
+
+		enemyPawn->CurrentPatrolRoute->IncrementPatrolRoute();
+		
+		return EBTNodeResult::Succeeded;
+	}
+
+	return EBTNodeResult::Failed;
+}

Source/Nakatomi/Tasks/BTTMoveAlongPatrolRoute.h

@@ -0,0 +1,24 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTTaskNode.h"
+#include "BTTMoveAlongPatrolRoute.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTTMoveAlongPatrolRoute : public UBTTaskNode
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(EditAnywhere, Category = "Options",
+	Meta = (AllowPrivateAccess = "true", DisplayName = "Patrol Location Key"))
+	FBlackboardKeySelector PatrolLocationKey;
+
+public:
+	virtual EBTNodeResult::Type ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory) override;
+};

Source/Nakatomi/Tasks/BTTSetMovementSpeed.cpp

@@ -0,0 +1,33 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Tasks/BTTSetMovementSpeed.h"
+
+#include "Nakatomi/EnemyAIController.h"
+#include "Nakatomi/NakatomiCMC.h"
+
+enum class EPatrolMovementEnum : uint8;
+
+EBTNodeResult::Type UBTTSetMovementSpeed::ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory)
+{
+	AEnemyAIController* enemyController = Cast<AEnemyAIController>(owner.GetAIOwner());
+	AEnemyCharacter* enemyPawn = Cast<AEnemyCharacter>(enemyController->GetPawn());
+
+	switch (MaxWalkSpeedKey)
+	{
+	case EPatrolMovementEnum::SLOWWALK:
+		enemyPawn->GetCharacterMovementComponent()->SetMaxWalkSpeed(slowWalkSpeed);
+		break;
+	case EPatrolMovementEnum::WALK:
+		enemyPawn->GetCharacterMovementComponent()->SetMaxWalkSpeed(walkSpeed);
+		break;
+	case EPatrolMovementEnum::SPRINT:
+		enemyPawn->GetCharacterMovementComponent()->SetMaxWalkSpeed(sprintSpeed);
+		break;
+	default:
+		enemyPawn->GetCharacterMovementComponent()->SetMaxWalkSpeedToDefault();
+		break;
+	}
+
+	return EBTNodeResult::Succeeded;
+}

Source/Nakatomi/Tasks/BTTSetMovementSpeed.h

@@ -0,0 +1,34 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTTaskNode.h"
+#include "Nakatomi/EPatrolMovementEnum.h"
+#include "BTTSetMovementSpeed.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTTSetMovementSpeed : public UBTTaskNode
+{
+	GENERATED_BODY()
+
+public:
+
+	UPROPERTY(EditAnywhere, Category = "Options",
+		Meta = (AllowPrivateAccess = "true", DisplayName = "Max Walk Speed Key"))
+	EPatrolMovementEnum MaxWalkSpeedKey;
+
+private:
+	float slowWalkSpeed = 250.0f;
+	
+	float walkSpeed = 500.0f;
+
+	float sprintSpeed = 750.0f;
+	
+public:
+	virtual EBTNodeResult::Type ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory) override;
+	
+};

Source/Nakatomi/Tasks/BTTSetState.cpp

@@ -0,0 +1,17 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "../Tasks/BTTSetState.h"
+
+#include "Nakatomi/EnemyAIController.h"
+
+EBTNodeResult::Type UBTTSetState::ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory)
+{
+	if (AEnemyAIController* EnemyController = Cast<AEnemyAIController>(owner.GetAIOwner()))
+	{
+		EnemyController->SetState(NewState);	
+		return EBTNodeResult::Succeeded;
+	}
+	
+	return EBTNodeResult::Failed;
+}

Source/Nakatomi/Tasks/BTTSetState.h

@@ -0,0 +1,27 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "BehaviorTree/BTTaskNode.h"
+#include "Nakatomi/EAIState.h"
+#include "BTTSetState.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UBTTSetState : public UBTTaskNode
+{
+	GENERATED_BODY()
+
+public:
+
+	UPROPERTY(EditAnywhere, Category = "Options",
+	Meta = (AllowPrivateAccess = "true", DisplayName = "New State"))
+	EAIState NewState;
+
+public:
+	virtual EBTNodeResult::Type ExecuteTask(UBehaviorTreeComponent& owner, uint8* memory) override;
+	
+};