// Unreal Integration

Ollo SDK for Unreal ships as a ready-to-use plugin with C++ and Blueprint nodes.

Install the plugin

Place the OlloSDK folder into:

YourProject/Plugins/OlloSDK/

Restart Unreal, enable the plugin.

Usage

#include "OlloSDK.h"

void AMyActor::BeginPlay()
{
    if (UOlloSDK::Start())
    {
        UE_LOG(LogTemp, Log, TEXT("Blinkd started %s"), *UOlloSDK::GetVersion());
    }
    else
    {
        UE_LOG(LogTemp, Error, TEXT("Blinkd error %d"), UOlloSDK::GetLastError());
    }
}

void AMyActor::Tick(float DeltaTime)
{
    UOlloSDK::PollBlinkEvents();
}

Blueprint Usage

Nodes available:

• Start Ollo SDK
• Stop Ollo SDK
• Poll Blink Events
• Get Last Error
• Get SDK Version

Error Codes + Suggestions

Error	Fix
2–3	Check model file bundled with plugin
4–5	Ensure webcam access is not blocked by OS
6	Internal exception (rare; report if seen)