Add MVP crafting HUD

Source/AgrarianGame/AgrarianDebugHUD.cpp

@@ -1,6 +1,7 @@
 // Copyright Pacificao. All Rights Reserved.
 
 #include "AgrarianDebugHUD.h"
+#include "AgrarianCraftingComponent.h"
 #include "AgrarianGameCharacter.h"
 #include "AgrarianInventoryComponent.h"
 #include "AgrarianSurvivalComponent.h"
@@ -24,7 +25,8 @@ void AAgrarianDebugHUD::DrawHUD()
 
 	DrawInteractionPrompt(AgrarianCharacter);
 	DrawCriticalStats(AgrarianCharacter->GetSurvivalComponent());
-	DrawInventoryPanel(AgrarianCharacter);
+	const float InventoryBottomY = DrawInventoryPanel(AgrarianCharacter);
+	DrawCraftingPanel(AgrarianCharacter, InventoryBottomY + 16.0f);
 
 	if (bShowDebugHUD)
 	{
@@ -110,17 +112,17 @@ 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)
+float AAgrarianDebugHUD::DrawInventoryPanel(const AAgrarianGameCharacter* AgrarianCharacter)
 {
 	if (!bShowInventoryHUD || !AgrarianCharacter || !Canvas)
 	{
-		return;
+		return 32.0f;
 	}
 
 	const UAgrarianInventoryComponent* InventoryComponent = AgrarianCharacter->GetInventoryComponent();
 	if (!InventoryComponent)
 	{
-		return;
+		return 32.0f;
 	}
 
 	const float Scale = FMath::Max(0.25f, InventoryTextScale);
@@ -152,7 +154,7 @@ void AAgrarianDebugHUD::DrawInventoryPanel(const AAgrarianGameCharacter* Agraria
 	if (InventoryComponent->Items.IsEmpty())
 	{
 		DrawText(TEXT("Empty"), FColor::Silver, X, Y, nullptr, Scale, false);
-		return;
+		return (32.0f + PanelHeight);
 	}
 
 	for (int32 Index = 0; Index < VisibleRows; ++Index)
@@ -175,6 +177,95 @@ void AAgrarianDebugHUD::DrawInventoryPanel(const AAgrarianGameCharacter* Agraria
 			false);
 		Y += LineHeight;
 	}
+
+	return (32.0f + PanelHeight);
+}
+
+void AAgrarianDebugHUD::DrawCraftingPanel(const AAgrarianGameCharacter* AgrarianCharacter, float TopY)
+{
+	if (!bShowCraftingHUD || !AgrarianCharacter || !Canvas)
+	{
+		return;
+	}
+
+	const UAgrarianCraftingComponent* CraftingComponent = AgrarianCharacter->GetCraftingComponent();
+	const UAgrarianInventoryComponent* InventoryComponent = AgrarianCharacter->GetInventoryComponent();
+	if (!CraftingComponent || !InventoryComponent)
+	{
+		return;
+	}
+
+	TArray<FAgrarianRecipe> Recipes;
+	CraftingComponent->GetKnownRecipes(Recipes);
+
+	const float Scale = FMath::Max(0.25f, InventoryTextScale);
+	const float PanelWidth = 420.0f * Scale;
+	const float X = FMath::Max(32.0f, Canvas->ClipX - PanelWidth - 32.0f);
+	float Y = FMath::Max(32.0f, TopY);
+
+	const int32 VisibleRows = Recipes.IsEmpty()
+		? 1
+		: FMath::Min(Recipes.Num(), FMath::Max(1, MaxCraftingPanelRows));
+	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("CRAFTING  %d recipes"), Recipes.Num()),
+		FColor(160, 220, 140),
+		X,
+		Y,
+		nullptr,
+		Scale,
+		false);
+	Y += 24.0f * Scale;
+
+	if (Recipes.IsEmpty())
+	{
+		DrawText(TEXT("No known recipes"), FColor::Silver, X, Y, nullptr, Scale, false);
+		return;
+	}
+
+	for (int32 Index = 0; Index < VisibleRows; ++Index)
+	{
+		const FAgrarianRecipe& Recipe = Recipes[Index];
+		FText FailureReason;
+		const bool bCanCraft = CraftingComponent->CanCraft(Recipe.RecipeId, FailureReason);
+		FString RecipeName = Recipe.DisplayName.IsEmpty() ? Recipe.RecipeId.ToString() : Recipe.DisplayName.ToString();
+		if (RecipeName.Len() > 18)
+		{
+			RecipeName = RecipeName.Left(15) + TEXT("...");
+		}
+
+		FString IngredientSummary;
+		for (const FAgrarianItemStack& Ingredient : Recipe.Ingredients)
+		{
+			if (!IngredientSummary.IsEmpty())
+			{
+				IngredientSummary += TEXT(" ");
+			}
+			IngredientSummary += FString::Printf(
+				TEXT("%s %d/%d"),
+				*Ingredient.ItemId.ToString(),
+				InventoryComponent->GetItemCount(Ingredient.ItemId),
+				Ingredient.Quantity);
+		}
+
+		if (IngredientSummary.Len() > 28)
+		{
+			IngredientSummary = IngredientSummary.Left(25) + TEXT("...");
+		}
+
+		DrawText(
+			FString::Printf(TEXT("%02d  %-18s %-28s"), Index + 1, *RecipeName, *IngredientSummary),
+			bCanCraft ? FColor(225, 235, 220) : FColor(170, 150, 125),
+			X,
+			Y,
+			nullptr,
+			Scale,
+			false);
+		Y += LineHeight;
+	}
 }
 
 void AAgrarianDebugHUD::DrawPlayerStatus(const AAgrarianGameCharacter* AgrarianCharacter, float X, float& Y)