feat: initial commit, only bugs remaining

Source/UTAD_UI/UTAD_UIPlayerController.cpp

@@ -11,6 +11,7 @@
 #include "InputActionValue.h"
 #include "EnhancedInputSubsystems.h"
 #include "Engine/LocalPlayer.h"
+#include "Blueprint/UserWidget.h"
 
 DEFINE_LOG_CATEGORY(LogTemplateCharacter);
 
@@ -26,6 +27,9 @@ void AUTAD_UIPlayerController::BeginPlay()
 {
 	// Call the base class
 	Super::BeginPlay();
+
+	// Create and show the main HUD
+	ShowMainHUD();
 }
 
 void AUTAD_UIPlayerController::SetupInputComponent()
@@ -72,6 +76,14 @@ void AUTAD_UIPlayerController::SetupInputComponent()
 		EnhancedInputComponent->BindAction(
 			SetDestinationTouchAction, ETriggerEvent::Canceled, this,
 			&AUTAD_UIPlayerController::OnTouchReleased);
+
+		// Setup skill tree input
+		if (OpenSkillTreeAction)
+		{
+			EnhancedInputComponent->BindAction(
+				OpenSkillTreeAction, ETriggerEvent::Triggered, this,
+				&AUTAD_UIPlayerController::OnOpenSkillTree);
+		}
 	}
 	else
 	{
@@ -154,3 +166,66 @@ void AUTAD_UIPlayerController::OnTouchReleased()
 	bIsTouch = false;
 	OnSetDestinationReleased();
 }
+
+void AUTAD_UIPlayerController::OnOpenSkillTree()
+{
+	ToggleSkillTree();
+}
+
+void AUTAD_UIPlayerController::ShowMainHUD()
+{
+	if (MainHUDClass && !MainHUDWidget)
+	{
+		MainHUDWidget = CreateWidget<UUserWidget>(this, MainHUDClass);
+		if (MainHUDWidget)
+		{
+			MainHUDWidget->AddToViewport(0);
+		}
+	}
+}
+
+void AUTAD_UIPlayerController::ShowSkillTree()
+{
+	if (!SkillTreeWidget && SkillTreeWidgetClass)
+	{
+		SkillTreeWidget = CreateWidget<UUserWidget>(this, SkillTreeWidgetClass);
+	}
+
+	if (SkillTreeWidget && !SkillTreeWidget->IsInViewport())
+	{
+		SkillTreeWidget->AddToViewport(1);
+
+		// Set input mode to Game and UI
+		FInputModeGameAndUI InputMode;
+		InputMode.SetWidgetToFocus(SkillTreeWidget->TakeWidget());
+		InputMode.SetLockMouseToViewportBehavior(EMouseLockMode::DoNotLock);
+		SetInputMode(InputMode);
+		bShowMouseCursor = true;
+	}
+}
+
+void AUTAD_UIPlayerController::HideSkillTree()
+{
+	if (SkillTreeWidget && SkillTreeWidget->IsInViewport())
+	{
+		SkillTreeWidget->RemoveFromParent();
+
+		// Set input mode back to game only
+		FInputModeGameOnly InputMode;
+		SetInputMode(InputMode);
+		// Keep mouse cursor visible for top-down game
+		bShowMouseCursor = true;
+	}
+}
+
+void AUTAD_UIPlayerController::ToggleSkillTree()
+{
+	if (SkillTreeWidget && SkillTreeWidget->IsInViewport())
+	{
+		HideSkillTree();
+	}
+	else
+	{
+		ShowSkillTree();
+	}
+}