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Implemented ULxLuaValues (not tested yet)

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This commit is contained in:
jyelon
2025-03-26 18:17:17 -04:00
parent 408c73521d
commit 3741470b20
8 changed files with 258 additions and 28 deletions
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BIN
Content/Luprex/lxGameMode.uasset LFS
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2
Source/Integration/FormatError.cpp
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@@ -95,7 +95,7 @@ void UK2Node_FormatMessage::CreateCorrectPins()
if (FindPin(FormatPinName, EGPD_Input) == nullptr) {
UEdGraphPin *P = CreatePin(EGPD_Input, UEdGraphSchema_K2::PC_String, FormatPinName);
P->DefaultValue = TEXT("Error Message");
P->DefaultValue = TEXT("Message");
}
// If this is a FormatMessage node, create a pin to output the result as text.

18
Source/Integration/LuaCall.h
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@@ -5,24 +5,6 @@
#include "LuaCall.generated.h"
/////////////////////////////////////////////////////////////////
//
// These are the types that can actually be packed into
// an argument or return value buffer. Any other type is
// subject to conversion before packing.
//
/////////////////////////////////////////////////////////////////
UENUM(BlueprintType)
enum class ELpxSimpleDynamicTag : uint8 {
None,
String,
Name,
Float,
Boolean,
Vector
};
/////////////////////////////////////////////////////////////////
//
// This is a little parser that parses Lua function 'prototypes'.

117
Source/Integration/StringDecoder.cpp
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@@ -1,2 +1,119 @@
#include "StringDecoder.h"
void UlxLuaValues::Empty()
{
Serialized.clear();
Types.Empty();
Data.Empty();
Cursor = 0;
}
bool UlxLuaValues::Initialize(std::string_view data)
{
Empty();
Serialized = data;
const char *SerializedChar = &Serialized[0];
FlxStreamBuffer Decoder(Serialized);
while (!Decoder.empty())
{
SimpleDynamicTag Tag = Decoder.read_simple_dynamic_tag();
int64 Pos = Decoder.total_reads();
ELxLuaValueType Type;
switch (Tag)
{
case SimpleDynamicTag::BOOLEAN: Type=ELxLuaValueType::Boolean; Decoder.read_bool(); break;
case SimpleDynamicTag::NUMBER: Type=ELxLuaValueType::Float; Decoder.read_double(); break;
case SimpleDynamicTag::STRING: Type=ELxLuaValueType::String; Decoder.read_string_view(); break;
case SimpleDynamicTag::TOKEN: Type=ELxLuaValueType::Name; Decoder.read_string_view(); break;
case SimpleDynamicTag::VECTOR: Type=ELxLuaValueType::Vector; Decoder.read_fvector(); break;
default: {
Empty();
return false;
}
}
int64 Pos2 = Decoder.total_reads();
Types.Add(Type);
Data.Add(std::string_view(SerializedChar + Pos, Pos2 - Pos));
}
return true;
}
bool UlxLuaValues::CheckType(ELxLuaValueType Type, ELxLuaValueType Desired)
{
if (Type != Desired)
{
FString TypeName = StaticEnum<ELxLuaValueType>()->GetDisplayNameTextByValue(int64(Type)).ToString();
FString DesiredName = StaticEnum<ELxLuaValueType>()->GetDisplayNameTextByValue(int64(Desired)).ToString();
UE_LOG(LogBlueprint, Error, TEXT("Expected a value of type %s, but found %s instead."), *DesiredName, *TypeName);
return false;
}
return true;
}
ELxLuaValueType UlxLuaValues::GetType(int n) const
{
if (n < 0) return ELxLuaValueType::None;
if (n >= Types.Num()) return ELxLuaValueType::None;
return Types[Cursor];
}
//
// Get the Nth value in the array. Array bounds-checking
// is handled by 'GetType', which returns 'None' for out-of-bounds
// accesses.
//
FString UlxLuaValues::GetString(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::String)) return FString();
FlxStreamBuffer Decoder(Data[n]);
return Decoder.read_fstring();
}
FName UlxLuaValues::GetName(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::Name)) return FName();
FlxStreamBuffer Decoder(Data[n]);
return Decoder.read_fname();
}
double UlxLuaValues::GetFloat(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::Float)) return 0.0;
FlxStreamBuffer Decoder(Data[n]);
return Decoder.read_double();
}
int UlxLuaValues::GetInt(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::Float)) return 0;
FlxStreamBuffer Decoder(Data[n]);
return int(Decoder.read_double());
}
FVector UlxLuaValues::GetVector(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::Vector)) return FVector();
FlxStreamBuffer Decoder(Data[n]);
return Decoder.read_fvector();
}
FVector2D UlxLuaValues::GetVector2D(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::Vector)) return FVector2D();
FlxStreamBuffer Decoder(Data[n]);
FVector v = Decoder.read_fvector();
return FVector2D(v.X, v.Y);
}
bool UlxLuaValues::GetBoolean(int n) const
{
if (!CheckType(GetType(n), ELxLuaValueType::Boolean)) return false;
FlxStreamBuffer Decoder(Data[n]);
return Decoder.read_bool();
}

137
Source/Integration/StringDecoder.h
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@@ -3,8 +3,7 @@
#include "CoreMinimal.h"
#include "lpx-basebuffer.hpp"
using FlxSimpleDynamic = SimpleDynamic<std::string>;
#include "StringDecoder.generated.h"
class FlxStreamBufferCore {
private:
@@ -70,3 +69,137 @@ public:
}
};
/////////////////////////////////////////////////////////////////
//
// These are the types that can actually be packed into
// a serialized buffer.
//
/////////////////////////////////////////////////////////////////
UENUM(BlueprintType)
enum class ELxLuaValueType : uint8 {
None,
String,
Name,
Float,
Boolean,
Vector
};
/////////////////////////////////////////////////////////////////
//
// This class stores an array of values that were returned by Lua.
//
/////////////////////////////////////////////////////////////////
UCLASS(MinimalAPI)
class UlxLuaValues : public UObject
{
GENERATED_BODY()
private:
// The raw serialized data returned by Lua.
//
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;
// The current cursor.
//
int Cursor;
private:
// Clear everything.
//
void Empty();
// Copies the data, and then preprocesses it to make sure
// it's all valid. If it's not valid, returns false.
//
bool Initialize(std::string_view data);
// Compare two types. If they aren't equal, log an error and return false.
//
static bool CheckType(ELxLuaValueType Type, ELxLuaValueType Desired);
public:
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
int Length() const { return Types.Num(); }
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
int GetCursor() const { return Cursor; }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
void SetCursor(int n) { Cursor = n; }
private:
//
// Functions that get values from the array, random access.
//
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
ELxLuaValueType GetType(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
bool IsType(int n, ELxLuaValueType Type) const { return GetType(n) == Type; }
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
FString GetString(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
FName GetName(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
double GetFloat(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
int GetInt(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
FVector GetVector(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
FVector2D GetVector2D(int n) const;
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
bool GetBoolean(int n) const;
//
// Functions that get values from the array using the cursor.
//
public:
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
ELxLuaValueType NextType() const { return GetType(Cursor); }
UFUNCTION(BlueprintPure, Category = "Luprex|Lua Value Array")
bool IsNextType(ELxLuaValueType Type) const { return IsType(Cursor, Type); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
FString ReadString() { return GetString(Cursor++); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
FName ReadName() { return GetName(Cursor++); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
double ReadFloat() { return GetFloat(Cursor++); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
int ReadInt() { return GetInt(Cursor++); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
FVector ReadVector() { return GetVector(Cursor++); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
FVector2D ReadVector2D() { return GetVector2D(Cursor++); }
UFUNCTION(BlueprintCallable, Category = "Luprex|Lua Value Array")
bool ReadBoolean() { return GetBoolean(Cursor++); }
};

1
Source/Integration/Tangible.cpp
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@@ -6,7 +6,6 @@
#include "LuprexGameModeBase.h"
#define DEFAULT_BLUEPRINT (TEXT("TangibleStaticMesh"))
#define LOCTEXT_NAMESPACE "Luprex Tangible"
UlxTangible::UlxTangible()
{

6
Source/Integration/TangibleManager.cpp
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@@ -7,8 +7,6 @@
#include "LuprexGameModeBase.h"
using namespace DebugPrint;
using TanArray = UlxTangibleManager::TanArray;
using IdArray = UlxTangibleManager::IdArray;
UFunction *UlxTangibleManager::GetAnimationQueueChanged(UClass *uclass) {
UFunction *result = uclass->FindFunctionByName(FName(TEXT("Animation Queue Changed")));
@@ -82,7 +80,7 @@ void UlxTangibleManager::DeleteTangible(int64 id) {
// IMPLEMENT ME
}
TanArray UlxTangibleManager::GetAllTangibles() const {
UlxTangibleManager::TanArray UlxTangibleManager::GetAllTangibles() const {
TanArray result;
result.SetNum(IdToTangible.Num());
int next = 0;
@@ -141,7 +139,7 @@ void UlxTangibleManager::DeleteFarawayTangibles() {
}
}
IdArray UlxTangibleManager::GetIds(const TanArray &arr) {
UlxTangibleManager::IdArray UlxTangibleManager::GetIds(const TanArray &arr) {
IdArray result;
result.SetNum(arr.Num());
for (int i = 0; i < arr.Num(); i++) {

1
Source/Integration/TriggeredTask.h
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@@ -1,3 +1,4 @@
#pragma once
#include "CoreMinimal.h"