Update Inventory Component for UI [WIP]

EndlessVendetta/Source/EndlessVendetta/Inventory/BaseItem.cpp

@@ -3,3 +3,27 @@
 
 #include "BaseItem.h"
 
+void UBaseItem::RotateItem()
+{
+	if (CurrentItemRotation == Horizontal)
+	{
+		CurrentItemRotation = Vertical;
+		ItemSize = FItemSize(ItemSize.Y, ItemSize.X);
+		bIsRotated = true;
+	}
+	else
+	{
+		CurrentItemRotation = Horizontal;
+		ItemSize = FItemSize(ItemSize.Y, ItemSize.X);
+		bIsRotated = false;
+	}
+}
+
+UMaterialInterface* UBaseItem::GetItemTexture() const
+{
+	if (bIsRotated)
+	{
+		return ItemTextureRotated;
+	}
+	return ItemTexture;
+}

EndlessVendetta/Source/EndlessVendetta/Inventory/BaseItem.h

@@ -10,7 +10,9 @@ struct FItemSize
 {
 	GENERATED_BODY()
 
+	UPROPERTY(BlueprintReadOnly, Category = "ItemSize")
 	int X;
+	UPROPERTY(BlueprintReadOnly, Category = "ItemSize")
 	int Y;
 
 	FItemSize(const int _X, const int _Y)
@@ -29,14 +31,14 @@ struct FItemSize
 UENUM(BlueprintType)
 enum EItemRotation
 {
-	Horizontal UMETA(DisplayName = "Up"),
+	Horizontal UMETA(DisplayName = "Horizontal"),
-	Vertical UMETA(DisplayName = "Down")
+	Vertical UMETA(DisplayName = "Vertical")
 };
 
 /**
  * 
  */
-UCLASS(Abstract)
+UCLASS(Abstract, Blueprintable)
 class ENDLESSVENDETTA_API UBaseItem : public UObject
 {
 	GENERATED_BODY()
@@ -50,14 +52,19 @@ public:
 	FText Description;
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Item")
 	FItemSize ItemSize = FItemSize();
-	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Instanced, Category = "Item")
+	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Item")
-	UTexture2D* ItemTexture;
+	UMaterialInterface* ItemTexture;
-	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Instanced, Category = "Item")
+	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Item")
-	UTexture2D* ItemTextureRotated;
+	UMaterialInterface* ItemTextureRotated;
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Item")
 	TEnumAsByte<EItemRotation> CurrentItemRotation = Horizontal;
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Item")
 	TSubclassOf<AActor> ItemActor;
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Item")
 	bool bIsRotated = false;
+
+	UFUNCTION(BlueprintCallable, Category = "Item")
+	void RotateItem();
+	UFUNCTION(BlueprintCallable, Category = "Item")
+	UMaterialInterface* GetItemTexture() const;
 };

EndlessVendetta/Source/EndlessVendetta/Inventory/BaseWorldItem.cpp

@@ -0,0 +1,26 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "BaseWorldItem.h"
+
+
+// Sets default values
+ABaseWorldItem::ABaseWorldItem()
+{
+	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
+	PrimaryActorTick.bCanEverTick = true;
+}
+
+// Called when the game starts or when spawned
+void ABaseWorldItem::BeginPlay()
+{
+	Super::BeginPlay();
+	
+}
+
+// Called every frame
+void ABaseWorldItem::Tick(float DeltaTime)
+{
+	Super::Tick(DeltaTime);
+}
+

EndlessVendetta/Source/EndlessVendetta/Inventory/BaseWorldItem.h

@@ -0,0 +1,25 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "BaseWorldItem.generated.h"
+
+UCLASS()
+class ENDLESSVENDETTA_API ABaseWorldItem : public AActor
+{
+	GENERATED_BODY()
+
+public:
+	// Sets default values for this actor's properties
+	ABaseWorldItem();
+
+protected:
+	// Called when the game starts or when spawned
+	virtual void BeginPlay() override;
+
+public:
+	// Called every frame
+	virtual void Tick(float DeltaTime) override;
+};

EndlessVendetta/Source/EndlessVendetta/Inventory/InventoryComponent.cpp

@@ -4,6 +4,7 @@
 #include "InventoryComponent.h"
 
 #include "BaseItem.h"
+#include "Camera/CameraComponent.h"
 
 
 // Sets default values for this component's properties
@@ -11,9 +12,15 @@ UInventoryComponent::UInventoryComponent()
 {
 	// Set this component to be initialized when the game starts, and to be ticked every frame.  You can turn these features
 	// off to improve performance if you don't need them.
+	bWantsInitializeComponent = true;
 	PrimaryComponentTick.bCanEverTick = true;
+}
 
-	// ...
+void UInventoryComponent::InitializeComponent()
+{
+	Super::InitializeComponent();
+	PlayerCharacter = Cast<AEndlessVendettaCharacter>(GetOwner());
+	ItemToPickup = nullptr;
 }
 
 
@@ -22,7 +29,9 @@ void UInventoryComponent::BeginPlay()
 {
 	Super::BeginPlay();
 
-	// ...
+	//FTimerHandle TraceTimerHandle;
+	//GetWorld()->GetTimerManager().SetTimer(TraceTimerHandle, this, &UInventoryComponent::ProjectTraceForItem, 0.1f, true);
+	InventoryItems.Init(nullptr, Columns * Rows);
 }
 
 
@@ -31,16 +40,55 @@ void UInventoryComponent::TickComponent(float DeltaTime, ELevelTick TickType, FA
 {
 	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
 
-	// ...
+	if (IsDirty)
+	{
+		IsDirty = false;
+		OnInventoryUpdated.Broadcast();
+	}
 }
 
 bool UInventoryComponent::AddItem(UBaseItem* Item)
 {
+	if (!IsValid(Item)) return false;
+	for (int i = 0; i < InventoryItems.Num(); i++)
+	{
+		if (IsRoomAvailable(Item, i))
+		{
+			AddItemAt(Item, i);
+			return true;
+		}
+	}
+	Item->RotateItem();
+	for (int i = 0; i < InventoryItems.Num(); i++)
+	{
+		if (IsRoomAvailable(Item, i))
+		{
+			AddItemAt(Item, i);
+			return true;
+		}
+	}
+	Item->RotateItem();
 	return false;
 }
 
-void UInventoryComponent::LineTraceForItemCheck()
+void UInventoryComponent::ProjectTraceForItem()
 {
+	if (!IsValid(PlayerCharacter)) return;
+	FVector StartLocation = Cast<UCameraComponent>(PlayerCharacter->GetComponentByClass(UCameraComponent::StaticClass()))->GetComponentLocation();
+	FVector EndLocation = StartLocation + Cast<UCameraComponent>(PlayerCharacter->GetComponentByClass(UCameraComponent::StaticClass()))->GetForwardVector() * MaxPickupDistance;
+	FCollisionQueryParams CollisionQueryParams;
+	CollisionQueryParams.AddIgnoredActor(PlayerCharacter);
+	if (FHitResult HitResult; GetWorld()->LineTraceSingleByChannel(HitResult, StartLocation, EndLocation, ECC_Visibility, CollisionQueryParams))
+	{
+		if (Cast<UBaseItem>(HitResult.GetActor()))
+		{
+			ItemToPickup = HitResult.GetActor();
+			Cast<UStaticMeshComponent>(ItemToPickup->GetComponentByClass(UStaticMeshComponent::StaticClass()))->SetRenderCustomDepth(true);
+			return;
+		}
+	}
+	if (!IsValid(ItemToPickup)) return;
+	Cast<UStaticMeshComponent>(ItemToPickup->GetComponentByClass(UStaticMeshComponent::StaticClass()))->SetRenderCustomDepth(false);
 }
 
 void UInventoryComponent::Pickup()
@@ -51,9 +99,9 @@ void UInventoryComponent::Pickup()
 
 bool UInventoryComponent::IsRoomAvailable(UBaseItem* Item, const int TopLeftIndex)
 {
-	for (int i = 0; i < IndexToTile(TopLeftIndex).X + (Item->ItemSize.X - 1); i++)
+	for (int i = IndexToTile(TopLeftIndex).X; i < IndexToTile(TopLeftIndex).X + Item->ItemSize.X; i++)
 	{
-		for (int j = 0; j < IndexToTile(TopLeftIndex).Y + (Item->ItemSize.Y - 1); j++)
+		for (int j = IndexToTile(TopLeftIndex).Y; j < IndexToTile(TopLeftIndex).Y + Item->ItemSize.Y; j++)
 		{
 			FInventoryTile TileToCheck;
 			TileToCheck.X = i;
@@ -61,7 +109,7 @@ bool UInventoryComponent::IsRoomAvailable(UBaseItem* Item, const int TopLeftInde
 			if (!IsTileValid(TileToCheck)) return false;
 			const TTuple<UBaseItem*, bool> ItemAtIndex = GetItemAtIndex(TileToIndex(TileToCheck));
 			if (ItemAtIndex.Get<1>()) return false;
-			if (IsValid(ItemAtIndex.Get<0>())) return false;
+			if (IsValid(ItemAtIndex.Get<0>())) return true;
 		}
 	}
 	return true;
@@ -88,9 +136,9 @@ int UInventoryComponent::TileToIndex(const FInventoryTile InventoryTile) const
 
 void UInventoryComponent::AddItemAt(UBaseItem* Item, const int TopLeftIndex)
 {
-	for (int i = 0; i < IndexToTile(TopLeftIndex).X + (Item->ItemSize.X - 1); i++)
+	for (int i = IndexToTile(TopLeftIndex).X; i < IndexToTile(TopLeftIndex).X + Item->ItemSize.X; i++)
 	{
-		for (int j = 0; j < IndexToTile(TopLeftIndex).Y + (Item->ItemSize.Y - 1); j++)
+		for (int j = IndexToTile(TopLeftIndex).Y; j < IndexToTile(TopLeftIndex).Y + Item->ItemSize.Y; j++)
 		{
 			FInventoryTile TileToCheck;
 			TileToCheck.X = i;

EndlessVendetta/Source/EndlessVendetta/Inventory/InventoryComponent.h

@@ -17,6 +17,7 @@ class ENDLESSVENDETTA_API UInventoryComponent : public UActorComponent
 public:
 	// Sets default values for this component's properties
 	UInventoryComponent();
+	virtual void InitializeComponent() override;
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="Inventory")
 	int Columns = 10;
@@ -25,6 +26,7 @@ public:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="Inventory")
 	float MaxPickupDistance = 200.0f;
 
+	
 protected:
 	// Called when the game starts
 	virtual void BeginPlay() override;
@@ -33,10 +35,14 @@ public:
 	// Called every frame
 	virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
 
+	DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnInventoryUpdated);
+	UPROPERTY(BlueprintAssignable, Category="Inventory")
+	FOnInventoryUpdated OnInventoryUpdated;
+	
 	UFUNCTION(BlueprintCallable, Category="Inventory")
 	bool AddItem(class UBaseItem* Item);
 	UFUNCTION(BlueprintCallable, Category="Inventory")
-	void LineTraceForItemCheck();
+	void ProjectTraceForItem();
 	UFUNCTION(BlueprintCallable, Category="Inventory")
 	void Pickup();
 	UFUNCTION(BlueprintCallable, Category="Inventory")

EndlessVendetta/Source/EndlessVendetta/Inventory/InventoryStructs.h

@@ -14,7 +14,9 @@ struct FInventoryLine
 {
 	GENERATED_BODY()
 
+	UPROPERTY(BlueprintReadWrite)
 	FVector2D Start;
+	UPROPERTY(BlueprintReadWrite)
 	FVector2D End;
 };
 
@@ -22,7 +24,9 @@ USTRUCT(BlueprintType)
 struct FInventoryTile
 {
 	GENERATED_BODY()
-	
+
+	UPROPERTY(BlueprintReadWrite)
 	int X;
+	UPROPERTY(BlueprintReadWrite)
 	int Y;
 };