Houdini Flecs Unreal

3 paradigms

houdini simd ecs

Serialization

Using flecs in unreal engine, and writing a json file to a path

Convert a flecs::string to FString

const UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(GetWorld());
const UUnrealFlecsSubsystem* SubSystem = GameInstance->GetSubsystem<UUnrealFlecsSubsystem>();
const auto World = SubSystem->GetEcsWorld();

// string.c_str() // const char
const FString SerializedFlecsWorld(World->to_json().c_str());

FFileHelper::SaveStringToFile(SerializedFlecsWorld, *FilePath)