Finish implementing IsKeyUsedByPlayerController

Source/Integration/UtilityLibrary.cpp

@@ -9,7 +9,7 @@
 #include "Blueprint/UserWidget.h"
 #include "Components/GridPanel.h"
 #include "InputMappingContext.h"
-
+#include "EnhancedInputComponent.h"
 
 
 #define LOCTEXT_NAMESPACE "Luprex Utility"
@@ -212,20 +212,80 @@ void UlxUtilityLibrary::GetPositionOfGridPanelMiddleCell(UGridPanel *GridPanel,
 	}
 }
 
-void UlxUtilityLibrary::MapAllKeyboardKeysToOneInputAction(UInputMappingContext *IMC, UInputAction *Action)
+ElxUsedOrNotUsed UlxUtilityLibrary::IsKeyUsedByMappingContext(const FKeyEvent &KeyEvent, const UInputMappingContext *MappingContext)
 {
-    TArray<FKey> AllKeys;
-	EKeys::GetAllKeys(AllKeys);
-	
-    // Map every keyboard key to the provided LuaAction
-    for (const FKey& Key : AllKeys)
+	FKey Key = KeyEvent.GetKey();
+
+    if (!MappingContext)
     {
-		if ((Key.IsValid()) &&
-			(Key.IsBindableInBlueprints()) &&
-			(Key.GetMenuCategory() == EKeys::NAME_KeyboardCategory) &&
-			(!Key.IsModifierKey()))
+        return ElxUsedOrNotUsed::NotUsed;
+    }
+
+    for (const FEnhancedActionKeyMapping& Mapping : MappingContext->GetMappings())
+    {
+        if (Mapping.Key == Key)
         {
-            IMC->MapKey(Action, Key);
+            return ElxUsedOrNotUsed::Used;
         }
     }
+
+    return ElxUsedOrNotUsed::NotUsed;
+}
+
+class UEnhancedPlayerInputExposed : public UEnhancedPlayerInput
+{
+public:
+	const TArray<FEnhancedActionKeyMapping>& GetEnhancedActionMappings() const { return UEnhancedPlayerInput::GetEnhancedActionMappings(); }
+};
+
+ElxUsedOrNotUsed UlxUtilityLibrary::IsKeyUsedByPlayerController(const FKeyEvent &KeyEvent, bool IncludeEscapeAndFkeys, const APlayerController *PlayerController, const UObject *Context)
+{
+	if (PlayerController == nullptr) PlayerController = Context->GetWorld()->GetFirstPlayerController();
+
+	FKey Key = KeyEvent.GetKey();
+
+	UEnhancedPlayerInput *PlayerInput = Cast<UEnhancedPlayerInput>(PlayerController->PlayerInput);
+	if (PlayerInput == nullptr)
+	{
+		return ElxUsedOrNotUsed::NotUsed;
+	}
+	UEnhancedPlayerInputExposed *Exposed = static_cast<UEnhancedPlayerInputExposed *>(PlayerInput);
+
+	for (const FInputActionKeyMapping& ActionMapping : Exposed->ActionMappings)
+	{
+		if (ActionMapping.Key == Key)
+		{
+			return ElxUsedOrNotUsed::Used; // Found a match in legacy Action Mappings.
+		}
+	}
+
+	for (const FInputAxisKeyMapping& AxisMapping : Exposed->AxisMappings)
+	{
+		if (AxisMapping.Key == Key)
+		{
+			return ElxUsedOrNotUsed::Used; // Found a match in legacy Axis Mappings.
+		}
+	}
+
+    for (const FEnhancedActionKeyMapping& Mapping : Exposed->GetEnhancedActionMappings())
+    {
+        if (Mapping.Key == Key)
+        {
+            return ElxUsedOrNotUsed::Used; // Found a match in the active, flattened mappings.
+        }
+    }
+
+	if (IncludeEscapeAndFkeys)
+	{
+		if (Key == EKeys::Escape ||
+			Key == EKeys::F1  || Key == EKeys::F2  || Key == EKeys::F3 ||
+            Key == EKeys::F4  || Key == EKeys::F5  || Key == EKeys::F6 ||
+            Key == EKeys::F7  || Key == EKeys::F8  || Key == EKeys::F9 ||
+            Key == EKeys::F10 || Key == EKeys::F11 || Key == EKeys::F12)
+		{
+			return ElxUsedOrNotUsed::Used;
+		}
+	}
+
+	return ElxUsedOrNotUsed::NotUsed;
 }