From 6428194393266f36b121d3c3164aa0d9ea84f554 Mon Sep 17 00:00:00 2001
From: jyelon <jyelon@gmail.com>
Date: Wed, 4 Mar 2026 03:00:44 -0500
Subject: [PATCH] Refactor Format Message, step 1

---
 Source/Integration/FormatMessage.cpp | 30 ++++++++--------------------
 Source/Integration/FormatMessage.h   | 13 ++----------
 Source/Integration/LuprexK2Node.cpp  |  7 +++++++
 Source/Integration/LuprexK2Node.h    |  3 +++
 4 files changed, 20 insertions(+), 33 deletions(-)

diff --git a/Source/Integration/FormatMessage.cpp b/Source/Integration/FormatMessage.cpp
index 7fd66052..71dfc6c9 100644
--- a/Source/Integration/FormatMessage.cpp
+++ b/Source/Integration/FormatMessage.cpp
@@ -43,20 +43,6 @@
 
 // All argument pins will have Names that start with "A:"
 
-static bool IsArgumentPin(const UEdGraphPin *Pin) {
-	TCHAR pname[FName::StringBufferSize];
-	Pin->PinName.ToString(pname);
-	return pname[0] == 'A' && pname[1] == ':';
-}
-
-static FName ArgumentNameAddPrefix(const FString &name) {
-	FString Prefixed = FString("A:") + name;
-	return FName(*Prefixed);
-}
-
-static FString ArgumentNameRemovePrefix(const FName &name) {
-	return name.ToString().Mid(2, FName::StringBufferSize);
-}
 
 static const FName VerbosityPinName(TEXT("Verbosity"));
 static bool IsVerbosityPin(const UEdGraphPin *Pin) {
@@ -121,9 +107,9 @@ void UK2Node_FormatMessage::CreateCorrectPins()
 	for (auto It = Pins.CreateIterator(); It; ++It)
 	{
 		UEdGraphPin* CheckPin = *It;
-		if (IsArgumentPin(CheckPin))
+		if (HasPrefix(CheckPin->PinName, 'A'))
 		{
-			OldPins.Add(ArgumentNameRemovePrefix(CheckPin->PinName), CheckPin);
+			OldPins.Add(RemovePrefix(CheckPin->PinName).ToString(), CheckPin);
 			It.RemoveCurrent();
 		}
 	}
@@ -137,7 +123,7 @@ void UK2Node_FormatMessage::CreateCorrectPins()
 			Pins.Emplace(*OldPin);
 			OldPins.Remove(Name);
 		} else {
-			FName PrefixedName = ArgumentNameAddPrefix(Name);
+			FName PrefixedName = AddPrefix(Name, 'A');
 			CreatePin(EGPD_Input, UEdGraphSchema_K2::PC_Wildcard, PrefixedName);
 		}
 	}
@@ -155,7 +141,7 @@ void UK2Node_FormatMessage::CreateCorrectPins()
 
 void UK2Node_FormatMessage::SynchronizeArgumentPinType(UEdGraphPin* Pin)
 {
-	if (IsArgumentPin(Pin))
+	if (HasPrefix(Pin->PinName, 'A'))
 	{
 		const UEdGraphSchema_K2* K2Schema = Cast<const UEdGraphSchema_K2>(GetSchema());
 
@@ -227,8 +213,8 @@ FText UK2Node_FormatMessage::GetPinDisplayName(const UEdGraphPin* Pin) const
 	}
 
 	// For argument pins, we must strip off the Argument Pin Prefix.
-	if (IsArgumentPin(Pin)) {
-		return FText::FromString(ArgumentNameRemovePrefix(Pin->PinName));
+	if (HasPrefix(Pin->PinName, 'A')) {
+		return FText::FromName(RemovePrefix(Pin->PinName));
 	}
 
 	// Otherwise, just return the Pin Name the normal way.
@@ -385,7 +371,7 @@ void UK2Node_FormatMessage::ExpandNode(class FKismetCompilerContext& CompilerCon
 	for(int32 ArgIdx = 0; ArgIdx < PinNames.Num(); ++ArgIdx)
 	{
 		FString OriginalName = PinNames[ArgIdx];
-		UEdGraphPin* ArgumentPin = FindPin(ArgumentNameAddPrefix(OriginalName), EGPD_Input);
+		UEdGraphPin* ArgumentPin = FindPin(AddPrefix(OriginalName, 'A'), EGPD_Input);
 		
 
 		// Find a function that can convert the input into an FFormatArgumentData.
@@ -508,7 +494,7 @@ bool UK2Node_FormatMessage::IsConnectionDisallowed(const UEdGraphPin* MyPin, con
 	}
 
 	// Argument input pins may only be connected to Byte, Integer, Float, Text, and ETextGender pins...
-	if (IsArgumentPin(MyPin))
+	if (HasPrefix(MyPin->PinName, 'A'))
 	{
 		const UEdGraphSchema_K2* K2Schema = Cast<const UEdGraphSchema_K2>(GetSchema());
 		const FName& OtherPinCategory = OtherPin->PinType.PinCategory;
diff --git a/Source/Integration/FormatMessage.h b/Source/Integration/FormatMessage.h
index a6b952c2..f18bbafe 100644
--- a/Source/Integration/FormatMessage.h
+++ b/Source/Integration/FormatMessage.h
@@ -15,16 +15,7 @@
 
 #include "BreakToDebugger.h"
 #include "FormatDataLibrary.h"
-#include "Containers/Array.h"
-#include "CoreMinimal.h"
-#include "EdGraph/EdGraphNode.h"
-#include "EdGraph/EdGraphPin.h"
-#include "HAL/Platform.h"
-#include "Internationalization/Text.h"
-#include "K2Node.h"
-#include "UObject/NameTypes.h"
-#include "UObject/ObjectMacros.h"
-#include "UObject/UObjectGlobals.h"
+#include "LuprexK2Node.h"
 
 #include "FormatMessage.generated.h"
 
@@ -86,7 +77,7 @@ class UObject;
 ////////////////////////////////////////////////////////////
 
 UCLASS(MinimalAPI)
-class UK2Node_FormatMessage : public UK2Node
+class UK2Node_FormatMessage : public UlxK2Node
 {
 	GENERATED_UCLASS_BODY()
 
diff --git a/Source/Integration/LuprexK2Node.cpp b/Source/Integration/LuprexK2Node.cpp
index e9942f11..ebc0c190 100644
--- a/Source/Integration/LuprexK2Node.cpp
+++ b/Source/Integration/LuprexK2Node.cpp
@@ -15,6 +15,13 @@ FName UlxK2Node::AddPrefix(const FString &Name, char Prefix)
 	return FName(*Prefixed);
 }
 
+bool UlxK2Node::HasPrefix(FName Name, char Prefix)
+{
+	TCHAR pname[FName::StringBufferSize];
+	Name.ToString(pname);
+	return (pname[0] == Prefix) && (pname[1] == ':');
+}
+
 FName UlxK2Node::RemovePrefix(FName Name)
 {
 	TCHAR pname[FName::StringBufferSize];
diff --git a/Source/Integration/LuprexK2Node.h b/Source/Integration/LuprexK2Node.h
index 3ba33645..8ee1252b 100644
--- a/Source/Integration/LuprexK2Node.h
+++ b/Source/Integration/LuprexK2Node.h
@@ -17,6 +17,9 @@ protected:
 	/** Add a single-char prefix to a pin name, e.g. AddPrefix("foo", 'A') -> "A:foo" */
 	static FName AddPrefix(const FString &Name, char Prefix);
 
+	/** Check if a pin name has a given single-char prefix. */
+	static bool HasPrefix(FName Name, char Prefix);
+
 	/** Strip a single-char prefix from a pin name, returning the original name if no prefix is found. */
 	static FName RemovePrefix(FName Name);