Initial Commit

.gitignore

+# Visual Studio 2015 user specific files
+.vs/
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+*.ipa
+
+# These project files can be generated by the engine
+*.xcodeproj
+*.xcworkspace
+*.sln
+*.suo
+*.opensdf
+*.sdf
+*.VC.db
+*.VC.opendb
+
+# Precompiled Assets
+SourceArt/**/*.png
+SourceArt/**/*.tga
+
+# Binary Files
+Binaries/*
+Plugins/*/Binaries/*
+
+# Builds
+Build/*
+
+# Whitelist PakBlacklist-<BuildConfiguration>.txt files
+!Build/*/
+Build/*/**
+!Build/*/PakBlacklist*.txt
+
+# Don't ignore icon files in Build
+!Build/**/*.ico
+
+# Configuration files generated by the Editor
+Saved/*
+
+# Compiled source files for the engine to use
+Intermediate/*
+Plugins/*/Intermediate/*
+
+# Cache files for the editor to use
+DerivedDataCache/*
+LocalDerivedDataCache/*
\ No newline at end of file

FakeLiveLink.uplugin

+{
+	"FileVersion": 3,
+	"Version": 1,
+	"VersionName": "1.0",
+	"FriendlyName": "FakeLiveLink",
+	"Description": "",
+	"Category": "Other",
+	"CreatedBy": "",
+	"CreatedByURL": "",
+	"DocsURL": "",
+	"MarketplaceURL": "",
+	"SupportURL": "",
+	"CanContainContent": true,
+	"IsBetaVersion": false,
+	"IsExperimentalVersion": false,
+	"Installed": false,
+	"Modules": [
+		{
+			"Name": "FakeLiveLink",
+			"Type": "Runtime",
+			"LoadingPhase": "Default"
+		}
+	],
+	"Plugins": [
+		{
+			"Name": "nDisplay",
+			"Enabled": true,
+			"SupportedTargetPlatforms": [
+				"Win64",
+				"Linux"
+			]
+		}
+	]
+}
\ No newline at end of file

Source/FakeLiveLink/FakeLiveLink.Build.cs

+// Copyright Epic Games, Inc. All Rights Reserved.
+
+using UnrealBuildTool;
+
+public class FakeLiveLink : ModuleRules
+{
+	public FakeLiveLink(ReadOnlyTargetRules Target) : base(Target)
+	{
+		PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs;
+		
+		PublicIncludePaths.AddRange(
+			new string[] {
+				// ... add public include paths required here ...
+			}
+			);
+				
+		
+		PrivateIncludePaths.AddRange(
+			new string[] {
+				// ... add other private include paths required here ...
+			}
+			);
+			
+		
+		PublicDependencyModuleNames.AddRange(
+			new string[]
+			{
+				"Core",
+                "LiveLinkMessageBusFramework",
+                "LiveLinkInterface",
+                "DisplayCluster" 
+			}
+			);
+			
+		
+		PrivateDependencyModuleNames.AddRange(
+			new string[]
+			{
+				"CoreUObject",
+				"Engine",
+				"Slate",
+				"SlateCore",
+				// ... add private dependencies that you statically link with here ...	
+			}
+			);
+		
+		
+		DynamicallyLoadedModuleNames.AddRange(
+			new string[]
+			{
+				// ... add any modules that your module loads dynamically here ...
+			}
+			);
+	}
+}

Source/FakeLiveLink/Private/FakeLiveLink.cpp

+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "FakeLiveLink.h"
+#include "LiveLinkInterface/Public/Roles/LiveLinkTransformRole.h"
+#include "LiveLinkInterface/Public/LiveLinkTypes.h"
+#include "LiveLinkInterface/Public/Roles/LiveLinkTransformTypes.h"
+#include "Kismet/KismetMathLibrary.h"
+#include "IDisplayCluster.h"
+#include "Cluster/IDisplayClusterClusterManager.h"
+
+#define LOCTEXT_NAMESPACE "FFakeLiveLinkModule"
+
+void FFakeLiveLinkModule::StartupModule()
+{
+	PositionGenerationThread = FRunnableThread::Create(this, TEXT("FakeLiveLinkProviderThread"), 0, TPri_Normal);
+
+	FWorldDelegates::OnWorldCleanup.AddLambda([this](UWorld* World, bool bSessionEnded, bool)
+	{
+	    if (!World->IsGameWorld() || !bSessionEnded) return;
+	
+	    Running = false;
+		PositionGenerationThread->WaitForCompletion();
+	});
+}
+
+void FFakeLiveLinkModule::ShutdownModule(){}
+
+bool IsMaster()
+{
+	if (!IDisplayCluster::IsAvailable()) 
+	{
+		return false;
+	}
+	IDisplayClusterClusterManager* Manager = IDisplayCluster::Get().GetClusterMgr();
+	if (Manager == nullptr)
+	{
+		return false; // if we are not in cluster mode, we are always the master
+	}
+	return Manager->IsMaster() || !Manager->IsSlave();
+}
+
+uint32 FFakeLiveLinkModule::Run()
+{
+	if(!IsMaster()) return EXIT_SUCCESS;
+
+	/* Register LiveLink Provider */
+	LiveLinkProvider = ILiveLinkProvider::CreateLiveLinkProvider(TEXT("FakeProvider"));
+
+	/* Set Subject Static Data */
+	FLiveLinkStaticDataStruct static_data(FLiveLinkTransformStaticData::StaticStruct());
+	LiveLinkProvider->UpdateSubjectStaticData(SubjectName, ULiveLinkTransformRole::StaticClass(), MoveTemp(static_data) );
+
+    FDateTime OldTime = FDateTime::UtcNow();
+	FVector Position = FVector::ForwardVector * RingSize;
+	FRotator Rotation = UKismetMathLibrary::MakeRotFromXZ(FVector::BackwardVector, FVector::UpVector);
+
+	while(Running)
+	{
+        double DeltaTime = (FDateTime::UtcNow() - OldTime).GetTotalSeconds();
+		OldTime = FDateTime::UtcNow();
+
+		Position = Position.RotateAngleAxis(DeltaTime*DegreePerSecond, FVector::UpVector);
+		Rotation += UKismetMathLibrary::RotatorFromAxisAndAngle(FVector::UpVector,DeltaTime*DegreePerSecond);
+
+	    FLiveLinkFrameDataStruct FrameData(FLiveLinkTransformFrameData::StaticStruct());
+	    FLiveLinkTransformFrameData* TransformData = FrameData.Cast<FLiveLinkTransformFrameData>();
+	    TransformData->Transform.SetLocation(Position);
+	    TransformData->Transform.SetRotation(Rotation.Quaternion());
+	    TransformData->Transform.SetScale3D(FVector(1.0f, 1.0f, 1.0f));
+
+		LiveLinkProvider->UpdateSubjectFrameData(SubjectName, MoveTemp(FrameData));
+
+		FPlatformProcess::Sleep(1.0/UpdateRate);
+	}
+
+	return EXIT_SUCCESS;
+}
+
+#undef LOCTEXT_NAMESPACE
+	
+IMPLEMENT_MODULE(FFakeLiveLinkModule, FakeLiveLink)
\ No newline at end of file

Source/FakeLiveLink/Public/FakeLiveLink.h

+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "HAL/Runnable.h"
+#include "HAL/RunnableThread.h"
+#include "LiveLinkMessageBusFramework/Public/LiveLinkProvider.h"
+#include "Modules/ModuleManager.h"
+
+class FFakeLiveLinkModule : public IModuleInterface, public FRunnable
+{
+public:
+
+	/** IModuleInterface implementation */
+	virtual void StartupModule() override;
+	virtual void ShutdownModule() override;
+
+	/* Threading */
+	FRunnableThread* PositionGenerationThread = nullptr;
+	uint32 Run() override;
+	bool Running = true;
+
+	/* Generated Path */
+	float RingSize = 100;
+	float DegreePerSecond = 20;
+
+	/* LiveLink Parameters */
+	double UpdateRate = 100.0f; /* UpdateRate in Hz */
+	const FName SubjectName = TEXT("RingRotation");
+	TSharedPtr<ILiveLinkProvider> LiveLinkProvider;
+};