From 2a92b5577ffbbdd5757d508f617a109803f12828 Mon Sep 17 00:00:00 2001
From: PHILIP White <PW259246@falmouth.ac.uk>
Date: Mon, 14 Nov 2022 00:04:44 +0000
Subject: [PATCH] Added Interfacing to Blueprint UI via Game State

---
 .../TurnBasedCombat/TurnBaseCombat.cpp        | 55 ++++++++++++++++++-
 .../TurnBasedCombat/TurnBaseCombat.h          | 30 ++++++++--
 2 files changed, 77 insertions(+), 8 deletions(-)

diff --git a/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.cpp b/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.cpp
index c67a361..2c62004 100644
--- a/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.cpp
+++ b/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.cpp
@@ -2,8 +2,10 @@
 
 
 #include "TurnBaseCombat.h"
-
+#include "CoreMinimal.h"
 #include "Blueprint/UserWidget.h"
+#include "Components/TextBlock.h"
+#include "Components/ProgressBar.h"
 #include "Kismet/GameplayStatics.h"
 
 ATurnBaseCombat::ATurnBaseCombat()
@@ -21,12 +23,38 @@ void ATurnBaseCombat::BeginPlay()
 	Super::BeginPlay();
 
 	TArray<AActor*> AllCharacterActorsInScene;
-	UGameplayStatics::GetAllActorsOfClassWithTag(GetWorld(), AActor::StaticClass(), FName("Character"),
-	                                             AllCharacterActorsInScene);
+	UGameplayStatics::GetAllActorsOfClassWithTag(GetWorld(), AActor::StaticClass(), FName("Character"), AllCharacterActorsInScene);
 	ActiveActionPoints = DefaultActionPoints;
 
 	UUserWidget* HUD = CreateWidget<UUserWidget>(GetWorld(), HUDWidget);
 	HUD->AddToViewport();
+
+	TurnIndicator = Cast<UTextBlock>(HUD->GetWidgetFromName("TurnIndicator"));
+	PlayerHealthBar = Cast<UProgressBar>(HUD->GetWidgetFromName("PlayerHealthBar"));
+	EnemyHealthBar = Cast<UProgressBar>(HUD->GetWidgetFromName("EnemyHealthBar"));
+}
+
+void ATurnBaseCombat::ExecuteCast(FString Combo)
+{
+	if (!IsValidCombo(Combo))
+	{
+		GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Red, TEXT("Invalid Combo"));
+		return;
+	}
+
+	switch (bIsPlayerTurn)
+	{
+	case true:
+		// Player Turn
+		DamageEnemy(ValidCombos[Combo]);
+		GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Red, TEXT("Enemy Damaged %f"), ValidCombos[Combo]);
+		break;
+	case false:
+		// Enemy Turn
+		DamagePlayer(ValidCombos[Combo]);
+		GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Red, TEXT("Player Damaged %f"), ValidCombos[Combo]);
+		break;
+	}
 }
 
 void ATurnBaseCombat::UseActionPoint()
@@ -46,6 +74,27 @@ void ATurnBaseCombat::RevertActionPoints()
 	ActiveActionPoints = DefaultActionPoints;
 }
 
+void ATurnBaseCombat::DamagePlayer(int Damage)
+{
+	PlayerHealth -= FMath::Clamp(Damage, 0, 100);
+}
+
+void ATurnBaseCombat::DamageEnemy(int Damage)
+{
+	EnemyHealth -= FMath::Clamp(Damage, 0, 100);
+}
+
+void ATurnBaseCombat::UpdateProgressBars() const
+{
+	PlayerHealthBar->SetPercent(PlayerHealth / 100);
+	EnemyHealthBar->SetPercent(EnemyHealth / 100);
+}
+
+bool ATurnBaseCombat::IsValidCombo(FString Combo) const
+{
+	return ValidCombos.Contains(Combo);
+}
+
 void ATurnBaseCombat::SwitchTurn()
 {
 	activeActor = bIsPlayerTurn ? enemyActor : playerActor;
diff --git a/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.h b/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.h
index 798c76c..45e7311 100644
--- a/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.h
+++ b/Source/the_twilight_abyss/TurnBasedCombat/TurnBaseCombat.h
@@ -3,6 +3,8 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "Components/ProgressBar.h"
+#include "Components/TextBlock.h"
 #include "GameFramework/GameStateBase.h"
 #include "TurnBaseCombat.generated.h"
 
@@ -18,11 +20,11 @@ public:
 	ATurnBaseCombat();
 
 	UPROPERTY(EditDefaultsOnly)
-		int PlayerHealth = 100;
+	int PlayerHealth = 100;
 	UPROPERTY(EditDefaultsOnly)
-		int EnemyHealth = 100;
+	int EnemyHealth = 100;
 	UPROPERTY(EditDefaultsOnly)
-		int DefaultActionPoints = 3;
+	int DefaultActionPoints = 3;
 	int ActiveActionPoints = 0;
 
 	AActor* playerActor;
@@ -37,15 +39,33 @@ public:
 	*/
 	UPROPERTY(EditAnywhere)
 	TSubclassOf<UUserWidget> HUDWidget;
+	UPROPERTY(EditAnywhere)
+	TMap<FString, int32> ValidCombos =
+	{
+		{"F", 10},
+		{"W", 10},
+		{"FW", 20}
+	};
 
 protected:
 	virtual void BeginPlay() override;
+	void ExecuteCast(FString Combo);
 	void UseActionPoint();
 	void ReuseActionPoint();
 	void RevertActionPoints();
+	void DamagePlayer(int Damage);
+	void DamageEnemy(int Damage);
+	void UpdateProgressBars() const;
 
 private:
-	UPROPERTY(EditDefaultsOnly)
-		bool bIsPlayerTurn = true;
+	bool IsValidCombo(FString Combo) const;
+	UPROPERTY(VisibleAnywhere)
+	bool bIsPlayerTurn = true;
 	void SwitchTurn();
+	UPROPERTY(VisibleAnywhere)
+	UTextBlock* TurnIndicator;
+	UPROPERTY(VisibleAnywhere)
+	UProgressBar* PlayerHealthBar;
+	UPROPERTY(VisibleAnywhere)
+	UProgressBar* EnemyHealthBar;
 };