Add MVP inventory HUD panel

Source/AgrarianGame/AgrarianDebugHUD.cpp

@@ -24,6 +24,7 @@ void AAgrarianDebugHUD::DrawHUD()
 
 	DrawInteractionPrompt(AgrarianCharacter);
 	DrawCriticalStats(AgrarianCharacter->GetSurvivalComponent());
+	DrawInventoryPanel(AgrarianCharacter);
 
 	if (bShowDebugHUD)
 	{
@@ -109,6 +110,73 @@ void AAgrarianDebugHUD::DrawCriticalStats(const UAgrarianSurvivalComponent* Surv
 	DrawScaledLine(FString::Printf(TEXT("Sickness  %3.0f"), Survival.SicknessSeverity), X, Y, CriticalStatsTextScale, StatusColor(Survival.SicknessSeverity, true));
 }
 
+void AAgrarianDebugHUD::DrawInventoryPanel(const AAgrarianGameCharacter* AgrarianCharacter)
+{
+	if (!bShowInventoryHUD || !AgrarianCharacter || !Canvas)
+	{
+		return;
+	}
+
+	const UAgrarianInventoryComponent* InventoryComponent = AgrarianCharacter->GetInventoryComponent();
+	if (!InventoryComponent)
+	{
+		return;
+	}
+
+	const float Scale = FMath::Max(0.25f, InventoryTextScale);
+	const float PanelWidth = 360.0f * Scale;
+	const float X = FMath::Max(32.0f, Canvas->ClipX - PanelWidth - 32.0f);
+	float Y = 32.0f;
+
+	const int32 VisibleRows = InventoryComponent->Items.IsEmpty()
+		? 1
+		: FMath::Min(InventoryComponent->Items.Num(), FMath::Max(1, MaxInventoryPanelRows));
+	const float LineHeight = 18.0f * Scale;
+	const float PanelHeight = (56.0f * Scale) + (VisibleRows * LineHeight);
+
+	DrawRect(FLinearColor(0.02f, 0.025f, 0.02f, 0.72f), X - (12.0f * Scale), Y - (10.0f * Scale), PanelWidth, PanelHeight);
+	DrawText(
+		FString::Printf(
+			TEXT("INVENTORY  %d/%d slots  %.1f wt"),
+			InventoryComponent->Items.Num(),
+			InventoryComponent->MaxSlots,
+			InventoryComponent->GetTotalWeight()),
+		FColor(160, 220, 140),
+		X,
+		Y,
+		nullptr,
+		Scale,
+		false);
+	Y += 24.0f * Scale;
+
+	if (InventoryComponent->Items.IsEmpty())
+	{
+		DrawText(TEXT("Empty"), FColor::Silver, X, Y, nullptr, Scale, false);
+		return;
+	}
+
+	for (int32 Index = 0; Index < VisibleRows; ++Index)
+	{
+		const FAgrarianItemStack& Stack = InventoryComponent->Items[Index];
+		const FText DisplayName = Stack.DisplayName.IsEmpty() ? FText::FromName(Stack.ItemId) : Stack.DisplayName;
+		FString ItemName = DisplayName.ToString();
+		if (ItemName.Len() > 24)
+		{
+			ItemName = ItemName.Left(21) + TEXT("...");
+		}
+
+		DrawText(
+			FString::Printf(TEXT("%02d  %-24s x%-3d %5.1f"), Index + 1, *ItemName, Stack.Quantity, Stack.UnitWeight * Stack.Quantity),
+			FColor(225, 235, 220),
+			X,
+			Y,
+			nullptr,
+			Scale,
+			false);
+		Y += LineHeight;
+	}
+}
+
 void AAgrarianDebugHUD::DrawPlayerStatus(const AAgrarianGameCharacter* AgrarianCharacter, float X, float& Y)
 {
 	if (!AgrarianCharacter)

Source/AgrarianGame/AgrarianDebugHUD.h

@@ -23,12 +23,21 @@ public:
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD")
 	bool bShowCriticalStatsHUD = true;
 
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD")
+	bool bShowInventoryHUD = true;
+
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD", meta = (ClampMin = "0.25"))
 	float TextScale = 1.0f;
 
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD", meta = (ClampMin = "0.25"))
 	float CriticalStatsTextScale = 1.0f;
 
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD", meta = (ClampMin = "0.25"))
+	float InventoryTextScale = 0.9f;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD", meta = (ClampMin = "1", ClampMax = "12"))
+	int32 MaxInventoryPanelRows = 6;
+
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Agrarian|HUD")
 	bool bShowInteractionPrompt = true;
 
@@ -38,6 +47,7 @@ public:
 protected:
 	void DrawInteractionPrompt(const class AAgrarianGameCharacter* AgrarianCharacter);
 	void DrawCriticalStats(const UAgrarianSurvivalComponent* SurvivalComponent);
+	void DrawInventoryPanel(const class AAgrarianGameCharacter* AgrarianCharacter);
 	void DrawPlayerStatus(const class AAgrarianGameCharacter* AgrarianCharacter, float X, float& Y);
 	void DrawSurvival(const UAgrarianSurvivalComponent* SurvivalComponent, float X, float& Y);
 	void DrawInventory(const UAgrarianInventoryComponent* InventoryComponent, float X, float& Y);