i'm losing my mind wtf is this

hwanyoung2/Source/hwanyoung2/HYPlayerCharacController.cpp

@@ -5,15 +5,24 @@
 
 AHYPlayerCharacController::AHYPlayerCharacController()
 {
+	//this is hardcoding the limits:
+	InventorySlotLimit = 50; 
+	InventoryWeightLimit = 500;
 }
 
 void AHYPlayerCharacController::ReloadInventory()
 {
+
 }
 
 int32 AHYPlayerCharacController::GetInventoryWeight()
 {
-	return int32();
+	int32 TotalWeight = 0;
+
+	for (auto& Item : Inventory) {
+		TotalWeight += 1; //hard coding for now
+	}
+	return TotalWeight;
 }
 
 bool AHYPlayerCharacController::AddItemToInventoryByID(FName ID)
@@ -21,6 +30,15 @@ bool AHYPlayerCharacController::AddItemToInventoryByID(FName ID)
 	return false;
 }
 
+void AHYPlayerCharacController::Interact()
+{
+}
+
+void AHYPlayerCharacController::SetupInputComponent()
+{
+	Super::SetupInputComponent();
+}
+
 void AHYPlayerCharacController::OnPossess(APawn* InPawn)
 {
 

hwanyoung2/Source/hwanyoung2/HYPlayerCharacController.h

@@ -47,8 +47,11 @@ public:
 
 protected: 
 
+	//interacts with the Interactable objects
 	void Interact();
 
+	//abstract function to override in order to 
+	//bind actions or axis to different input components
 	virtual void SetupInputComponent() override;
 
 	virtual void OnPossess(APawn* InPawn) override;

hwanyoung2/Source/hwanyoung2/InventoryItem.cpp

@@ -3,4 +3,6 @@
 
 #include "InventoryItem.h"
 
-
+FInventoryItem::FInventoryItem()
+{
+}

hwanyoung2/Source/hwanyoung2/InventoryItem.h

@@ -13,7 +13,7 @@
 USTRUCT(BlueprintType)
 struct FInventoryItem : public FTableRowBase
 {
-	//GENERATED_USTRUCT_BODY();
+	GENERATED_USTRUCT_BODY();
 public:
 	FInventoryItem();
 };

hwanyoung2/Source/hwanyoung2/hwanyoung2Character.cpp

@@ -13,7 +13,7 @@
 #include "GameFramework/SpringArmComponent.h"
 #include "EnhancedInputComponent.h"
 #include "EnhancedInputSubsystems.h"
-#include "Interactable.h"
+#include "HYInteractableActor.h"
 #include "InventoryItem.h"