Implement pause menu

Source/MyProject3/SpaceshipPlayerController.cpp

@@ -0,0 +1,61 @@
+#include "SpaceshipPlayerController.h"
+#include "EnhancedInputComponent.h"
+#include "EnhancedInputSubsystems.h"
+#include "Components/PostProcessComponent.h"
+#include "Materials/MaterialInstanceDynamic.h"
+#include "SpaceShooterGameMode.h"
+
+ASpaceshipPlayerController::ASpaceshipPlayerController()
+{
+    // Don't automatically show mouse cursor
+    bShowMouseCursor = false;
+}
+
+void ASpaceshipPlayerController::BeginPlay()
+{
+    Super::BeginPlay();
+
+    // Add Input Mapping Context
+    if (UEnhancedInputLocalPlayerSubsystem* Subsystem = ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(GetLocalPlayer()))
+    {
+        if (DefaultMappingContext)
+        {
+            Subsystem->AddMappingContext(DefaultMappingContext, 0);
+        }
+    }
+}
+
+void ASpaceshipPlayerController::SetupInputComponent()
+{
+    Super::SetupInputComponent();
+
+    if (UEnhancedInputComponent* EnhancedInputComponent = CastChecked<UEnhancedInputComponent>(InputComponent))
+    {
+        // Bind the pause action
+        if (PauseAction)
+        {
+            EnhancedInputComponent->BindAction(PauseAction, ETriggerEvent::Started,
+                this, &ASpaceshipPlayerController::HandlePauseAction);
+        }
+    }
+}
+
+void ASpaceshipPlayerController::HandlePauseAction()
+{
+    // Don't allow pausing if game is over
+    if (ASpaceShooterGameMode* GameMode = Cast<ASpaceShooterGameMode>(GetWorld()->GetAuthGameMode()))
+    {
+        if (GameMode->IsGameOver())
+        {
+            return;
+        }
+    }
+
+    bool bIsPaused = IsPaused();
+    SetPause(!bIsPaused);
+
+    // Show cursor only when paused, hide when resuming
+    bShowMouseCursor = !bIsPaused;
+
+	// To fix resume not working, don't change input mode from game only to UI only since in UI mode the key mapping for pause won't work
+}