Move a lot of EngineWrapper interfaces out of LuprexGameModeBase

Source/Integration/Common.h

@@ -95,6 +95,29 @@ enum class ElxSuccessOrWrongType : uint8 {
 	WrongType,
 };
 
+////////////////////////////////////////////////////////////
+//
+// ElxLuaSyntaxCheck
+//
+// Classifies console commands syntactically:
+//
+//   SlashCommand: starts with a slash, not lua
+//   Whitespace: the input only contains whitespace
+//   ValidLua: the input is valid lua code
+//   TruncatedLua: the input is truncated
+//   InvalidLua: invalid lua
+//
+////////////////////////////////////////////////////////////
+
+UENUM(BlueprintType)
+enum class ElxLuaSyntaxCheck : uint8 {
+	SlashCommand,
+	Whitespace,
+	ValidLua,
+	TruncatedLua,
+	InvalidLua,
+};
+
 ////////////////////////////////////////////////////////////
 //
 // Log Categories