Switch Incrementing Level over to datatable

Source/vampires/EXPComponent.cpp

@@ -3,6 +3,8 @@
 
 #include "EXPComponent.h"
 
+#include "TableRows/ExpTableRow.h"
+
 // Sets default values for this component's properties
 UEXPComponent::UEXPComponent()
 {
@@ -19,8 +21,30 @@ void UEXPComponent::IncrementEXP(int value)
 	int oldLevel = CurrentLevel;
 	
 	CurrentEXP += value;
-	OnEXPGained.Broadcast(CurrentEXP, GetCurrentLevelPercent());
 	
+	if (NextLevelRow.Level >= 0)
+	{
+		if (CurrentEXP >= NextLevelRow.CumulativeExpForNextLevel)
+		{
+			CurrentLevel = NextLevelRow.Level;
+	
+			if (FExpTableRow* newRow = LevelsTable->FindRow<FExpTableRow>(FName(*FString::FromInt(NextLevelRow.Level + 1)),"", true))
+			{
+				NextLevelRow = *newRow;	
+			}
+			else
+			{
+				NextLevelRow.Level++;
+				NextLevelRow.CumulativeExpForPreviousLevel = NextLevelRow.CumulativeExpForNextLevel;
+				NextLevelRow.ExpRequiredForNextLevel += 16;
+				NextLevelRow.CumulativeExpForNextLevel += NextLevelRow.ExpRequiredForNextLevel;
+			}
+						
+			OnEXPLevelUp.Broadcast(CurrentLevel);
+		}
+	}
+	else
+	{
 		CurrentLevel = FMath::Floor(CurrentEXP / 100.0f);
 		
 		if (CurrentLevel != oldLevel)
@@ -29,6 +53,9 @@ void UEXPComponent::IncrementEXP(int value)
 		}
 	}
 	
+	OnEXPGained.Broadcast(CurrentEXP, GetCurrentLevelPercent());
+}
+
 void UEXPComponent::SetCurrentEXP(int value)
 {
 	int oldEXP = CurrentEXP;
@@ -58,6 +85,14 @@ int UEXPComponent::GetCurrentLevel()
 
 void UEXPComponent::Reset()
 {
+	if (LevelsTable)
+	{
+		if (FExpTableRow* newRow = LevelsTable->FindRow<FExpTableRow>(FName("1"), "", true))
+		{
+			NextLevelRow = *newRow;
+		}
+	}
+	
 	CurrentEXP = 0;
 	CurrentLevel = 0;
 	OnEXPGained.Broadcast(CurrentEXP, GetCurrentLevelPercent());
@@ -66,7 +101,15 @@ void UEXPComponent::Reset()
 
 float UEXPComponent::GetCurrentLevelPercent()
 {
-	return (CurrentEXP % 100) / 100.0f;
+	int adjustedCurrentExp = CurrentEXP - NextLevelRow.CumulativeExpForPreviousLevel;
+	float res = static_cast<float>(adjustedCurrentExp) / static_cast<float>(NextLevelRow.ExpRequiredForNextLevel);
+
+	if (FMath::IsNaN(res))
+	{
+		return 0.0f;
+	}
+
+	return res;
 }
 
 // Called when the game starts

Source/vampires/EXPComponent.h

@@ -4,6 +4,7 @@
 
 #include "CoreMinimal.h"
 #include "Components/ActorComponent.h"
+#include "TableRows/ExpTableRow.h"
 #include "EXPComponent.generated.h"
 
 DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FOnEXPGainedDelegate, int, exp, float, currentLevelPercent);
@@ -21,11 +22,16 @@ public:
 	UPROPERTY(BlueprintAssignable, Category="EXP")
 	FOnEXPLevelUpDelegate OnEXPLevelUp;
 
+	UPROPERTY(EditDefaultsOnly, Category="EXP")
+	TObjectPtr<UDataTable> LevelsTable;
+
 protected:
 	int CurrentEXP = 0;
 
 	int CurrentLevel = 0;
 
+	FExpTableRow NextLevelRow;
+
 public:
 	// Sets default values for this component's properties
 	UEXPComponent();
@@ -51,4 +57,8 @@ public:
 protected:
 	// Called when the game starts
 	virtual void BeginPlay() override;
+
+private:
+
+	void ProcessExp(int oldEXP, int oldLevel, int newEXP);
 };

Source/vampires/TableRows/ExpTableRow.cpp

@@ -0,0 +1,4 @@
+// Louis Hobbs | 2024-2025
+
+
+#include "ExpTableRow.h"

Source/vampires/TableRows/ExpTableRow.h

@@ -0,0 +1,27 @@
+// Louis Hobbs | 2024-2025
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "ExpTableRow.generated.h"
+
+/**
+ * 
+ */
+USTRUCT(BlueprintType)
+struct FExpTableRow : public FTableRowBase
+{
+	GENERATED_BODY()
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	int Level;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	int ExpRequiredForNextLevel;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	int CumulativeExpForNextLevel;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	int CumulativeExpForPreviousLevel;
+};