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Finished implementing the ReadLuaValues K2Node

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This commit is contained in:
jyelon
2026-03-04 19:54:13 -05:00
parent 78f0f318c5
commit 6d018fc02b
6 changed files with 199 additions and 250 deletions
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104
Source/Integration/LuaCall.h
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@@ -227,74 +227,116 @@ private:
// The current cursor.
//
int Cursor;
int Cursor = 0;
// Saved cursor for rollback on error.
//
int SavedCursor = 0;
private:
// Clear everything.
//
void Empty();
// Compare two types. If they aren't equal,
// possibly log an error, and return a status
// code.
// Compare two types for equality.
//
static ElxSuccessOrWrongType CheckType(bool LogErrorOnWrongType, ElxLuaValueType Type, ElxLuaValueType Desired);
static ElxSuccessOrWrongType CheckType(ElxLuaValueType Type, ElxLuaValueType Desired);
public:
UlxLuaValues() { Cursor = 0; }
UlxLuaValues() {}
// Copies the data, then preprocesses it to make
// sure it's all valid. Returns false if invalid.
//
bool Initialize(std::string_view data);
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
void DiscardBeforeCursor();
// Remove all elements before the cursor.
//
void DiscardBeforeCursor();
// Convert a lua values array into a string.
// The string shows all the values, including those
// before the cursor, and the cursor as well.
//
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
FString DebugString() const;
// Return the number of elements remaining after the cursor.
//
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
int Length() const { return Types.Num(); }
int Length() const { return Types.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(); }
// Get the current position of the cursor.
//
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
int GetCursor() const { return Cursor; }
// Set the position of the cursor. The value is clamped to
// be within the array.
//
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
void SetCursor(int n) { Cursor = n; }
void SetCursor(int n) { Cursor = FMath::Clamp(n, 0, Types.Num()); }
// Get the type of the next element.
//
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
ElxLuaValueType NextType() const;
// Return true if the type of the next element is what you say.
//
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
bool IsNextType(ElxLuaValueType Type) const { return NextType() == Type; }
// Switch-statement that depends on the type of the next element.
//
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "ReturnValue"), Category = "Luprex|Lua Value Array")
ElxLuaValueType SwitchNextType() { return NextType(); }
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadString(ElxSuccessOrWrongType &Status, FString &Result, bool LogErrorOnWrongType = false);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadName(ElxSuccessOrWrongType &Status, FName &Result, bool LogErrorOnWrongType = false);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadFloat(ElxSuccessOrWrongType &Status, double &Result, bool LogErrorOnWrongType = false);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadInt(ElxSuccessOrWrongType &Status, int &Result, bool LogErrorOnWrongType = false);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadVector(ElxSuccessOrWrongType &Status, FVector &Result, bool LogErrorOnWrongType = false);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadVector2D(ElxSuccessOrWrongType &Status, FVector2D &Result, bool LogErrorOnWrongType = false);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadBoolean(ElxSuccessOrWrongType &Status, bool &Result, bool LogErrorOnWrongType = false);
// Allows you to pass a LuaValues to Format Message.
//
UFUNCTION(BlueprintPure, meta = (BlueprintInternalUseOnly = "true"), Category = "Luprex|Lua Value Array")
static FFormatArgumentData FormatArgumentDataLuaValues(const UlxLuaValues *AutoConvertedValue, const FString &Name);
////////////////////////////////////////////////////////
//
// Routines that are used by the ReadLuaValues K2Node
// to read values out.
//
////////////////////////////////////////////////////////
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadString(ElxSuccessOrWrongType &Status, FString &Result);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadName(ElxSuccessOrWrongType &Status, FName &Result);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadFloat(ElxSuccessOrWrongType &Status, double &Result);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadInt(ElxSuccessOrWrongType &Status, int &Result);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadVector(ElxSuccessOrWrongType &Status, FVector &Result);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadVector2D(ElxSuccessOrWrongType &Status, FVector2D &Result);
UFUNCTION(BlueprintCallable, meta = (ExpandEnumAsExecs = "Status"), Category = "Luprex|Lua Value Array")
void ReadBoolean(ElxSuccessOrWrongType &Status, bool &Result);
////////////////////////////////////////////////////////
//
// Other routines used by the ReadLuaValues K2Node
//
////////////////////////////////////////////////////////
UFUNCTION(BlueprintCallable, meta = (BlueprintInternalUseOnly = "true"), Category = "Luprex|Lua Value Array")
UlxLuaValues* SaveCursor() { SavedCursor = Cursor; return this; }
};