Refactors in UlxLuaValues, and add cursor-rewind to ReadLuaValues node.

Source/Integration/LuaCall.h

@@ -19,6 +19,7 @@
 #include <string_view>
 #include <string>
 #include "Kismet/BlueprintFunctionLibrary.h"
+#include "Common.h"
 #include "LuaCall.generated.h"
 
 class UlxLuaValues;
@@ -212,18 +213,9 @@ class INTEGRATION_API UlxLuaValues : public UObject
     GENERATED_BODY()
 
 private:
-    // The raw serialized data returned by Lua.
+    // The deserialized values.
     //
-    std::string Serialized;
-
-    // For each chunk, the type of the chunk.
-    //
-    TArray<ElxLuaValueType> Types;
-
-    // For each chunk, a pointer to the serialized
-    // data.
-    //
-    TArray<std::string_view> Data;
+    TArray<LuaValue> Values;
 
     // The current cursor.
     //
@@ -233,14 +225,8 @@ private:
     //
     int SavedCursor = 0;
 
-private:
-    // Clear everything.
-    //
-    void Empty();
-
-    // Compare two types for equality.
-    //
-    static ElxSuccessOrWrongType CheckType(ElxLuaValueType Type, ElxLuaValueType Desired);
+    static const ElxSuccessOrWrongType WrongType = ElxSuccessOrWrongType::WrongType;
+    static const ElxSuccessOrWrongType Success = ElxSuccessOrWrongType::Success;
 
 public:
     UlxLuaValues() {}
@@ -264,13 +250,13 @@ public:
 	// Return the number of elements remaining after the cursor.
 	//
     UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
-    int Length() const { return Types.Num() - Cursor; }
+    int Length() const { return Values.Num() - Cursor; }
 
 	// Return the total number of elements, including both those
 	// before and after the cursor.
 	//
     UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
-    int TotalLength() const { return Types.Num(); }
+    int TotalLength() const { return Values.Num(); }
 
 	// Get the current position of the cursor.
 	//
@@ -281,7 +267,7 @@ public:
 	// be within the array.
 	//
     UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
-    void SetCursor(int n) { Cursor = FMath::Clamp(n, 0, Types.Num()); }
+    void SetCursor(int n) { Cursor = FMath::Clamp(n, 0, Values.Num()); }
 
 	// Get the type of the next element.
 	//