More work on look-at, split LuaCall into LuaInvoke/LuaProbe

Source/Integration/LuaCallNode.h

@@ -22,23 +22,12 @@ class FString;
 class UEdGraph;
 class UObject;
 
-UENUM(BlueprintType)
-enum class ElxInvokeOrProbe : uint8 {
-
-	/* Invoke the lua function: call it on the server, mutating the world state. */
-	Invoke,
-
-	/* Probe the lua function: call it locally, not mutating the world state. */
-	Probe,
-};
-
-
 
 //
 // The Lua Call K2Node.
 //
 UCLASS(MinimalAPI)
-class UK2Node_LuaCall : public UK2Node
+class UK2Node_LuaInvoke : public UK2Node
 {
 	GENERATED_UCLASS_BODY()
 
@@ -70,12 +59,15 @@ class UK2Node_LuaCall : public UK2Node
 
 private:
 
+	virtual bool IsInvoke() const { return true; }
+
+	FText MakeTooltip() const;
+
 	/** Create all necessary pins. */
 	void CreateCorrectPins();
 
 	/** Pin Names for the three built-in Pins **/
 	static const FName FunctionPinName;
-	static const FName InvokeOrProbePinName;
 	static const FName PlacePinName;
 	static const FName ExtraResultsPinName;
 	static const FName ErrorPinName;
@@ -90,12 +82,18 @@ private:
 	UPROPERTY()
 	FString LuaFunctionPrototype;
 
-	/** Equal to the invoke-or-probe property **/
-	UPROPERTY()
-	FString InvokeOrProbe;
-
-	
 	/** Tooltip text for this node. */
 	FText NodeTooltip;
 };
 
+UCLASS(MinimalAPI)
+class UK2Node_LuaProbe : public UK2Node_LuaInvoke
+{
+	GENERATED_UCLASS_BODY()
+
+	// Setting this flag alters the behavior of LuaInvoke, making it
+	// probe instead of invoke.
+	//
+	virtual bool IsInvoke() const override { return false; }
+};
+