[Versions] Added versions for 4.27 & 5.00

Author: extall

4.27/UDPCommunication/Binaries/Win64/UE4Editor-UDPCommunication-0001.dll

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+{
+	"BuildId": "17155196",
+	"Modules": 
+	{
+		"UDPCommunication": "UE4Editor-UDPCommunication-0001.dll"
+	}
+}

4.27/UDPCommunication/Binaries/Win64/UE4Editor-UDPCommunication-0001.pdb

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+#pragma once
+
+#include "Serialization/Archive.h"
+#include "UDPData.generated.h"
+
+USTRUCT(BlueprintType)
+struct FUDPData {
+	GENERATED_USTRUCT_BODY()
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float1 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float2 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float3 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float4 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float5 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float6 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float7 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float8 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float9 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float10 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float11 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float12 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float13 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float14 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float15 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float16 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float17 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float18 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float19 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		float float20 = 0.0f;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		uint8 uint1 = 0;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		uint8 uint2 = 0;
+	UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = "UDPCommunication")
+		uint8 uint3 = 0;
+	FUDPData() {
+	}
+};
+
+FORCEINLINE FArchive& operator<<(FArchive &Ar, FUDPData &Structure)
+{
+	Ar << Structure.float1;
+	Ar << Structure.float2;
+	Ar << Structure.float3;
+	Ar << Structure.float4;
+	Ar << Structure.float5;
+	Ar << Structure.float6;
+	Ar << Structure.float7;
+	Ar << Structure.float8;
+	Ar << Structure.float9;
+	Ar << Structure.float10;
+	Ar << Structure.float11;
+	Ar << Structure.float12;
+	Ar << Structure.float13;
+	Ar << Structure.float14;
+	Ar << Structure.float15;
+	Ar << Structure.float16;
+	Ar << Structure.float17;
+	Ar << Structure.float18;
+	Ar << Structure.float19;
+	Ar << Structure.float20;
+	Ar << Structure.uint1;
+	Ar << Structure.uint2;
+	Ar << Structure.uint3;
+	return Ar;
+}

4.27/UDPCommunication/Binaries/Win64/UE4Editor-UDPCommunication.dll

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+#pragma once
+
+#include "GameFramework/Actor.h"
+#include "Networking.h"
+#include "UDPData.h"
+#include "UDPReceiver.generated.h"
+
+UCLASS()
+class UDPCOMMUNICATION_API AUDPReceiver : public AActor
+{
+	GENERATED_UCLASS_BODY()
+public:
+	FUDPData MyData;
+	bool UpdateInterest = true;
+	bool got_new_data = false;
+
+public:
+	UFUNCTION(BlueprintImplementableEvent, Category = "UDPCommunication")
+		void BPEvent_DataReceived(const FUDPData& data);
+public:
+	
+	FSocket* ListenSocket;
+	FUdpSocketReceiver* Receiver = nullptr;
+	void Recv(const FArrayReaderPtr& ArrayReaderPtr, const FIPv4Endpoint& EndPt);
+	virtual void Archive(const FArrayReaderPtr & ArrayReaderPtr);
+	virtual void UpdateReceiverData(FUDPData data);
+	
+	UFUNCTION(BlueprintCallable, Category = "UDPCommunication")
+		FUDPData GetData();
+		
+	UFUNCTION(BlueprintCallable, Category = "UDPCommunication")
+		bool IsNewDataReady();
+	
+	UFUNCTION(BlueprintCallable, Category = "UDPCommunication")
+		bool StartUDPReceiver(const FString& SocketName,
+			const int32 Port);
+
+public:
+
+	/** Called whenever this actor is being removed from a level */
+	virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
+
+};

4.27/UDPCommunication/Binaries/Win64/UE4Editor-UDPCommunication.pdb

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+#pragma once
+
+#include "Serialization/Archive.h"
+#include "UDPData.h"
+#include "Networking.h"
+#include "GameFramework/Actor.h"
+#include "UDPSender.generated.h"
+
+UCLASS()
+class UDPCOMMUNICATION_API AUDPSender : public AActor
+{
+	GENERATED_UCLASS_BODY()
+
+public:
+	TSharedPtr<FInternetAddr> RemoteAddr;
+	FSocket* SenderSocket;
+
+	//Tekitab saatja jaoks sokli pordi ja ip-ga
+	UFUNCTION(BlueprintCallable, Category = "UDPCommunication")
+		bool StartUDPSender(
+			const FString& SocketName,
+			const FString& TheIP,
+			const int32 ThePort
+			);
+
+	//Saadab numbrite jada läbi saatja ning serialiseerimise
+	UFUNCTION(BlueprintCallable, Category = "UDPCommunication")
+		bool UDPSendArray(FUDPData data);
+
+public:
+
+	/** Called whenever this actor is being removed from a level */
+	virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
+
+}
+;

4.27/UDPCommunication/Binaries/Win64/UE4Editor.modules

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+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "UDPCommunication.h"
+
+#define LOCTEXT_NAMESPACE "FUDPCommunicationModule"
+
+void FUDPCommunicationModule::StartupModule()
+{
+	// This code will execute after your module is loaded into memory; the exact timing is specified in the .uplugin file per-module
+}
+
+void FUDPCommunicationModule::ShutdownModule()
+{
+	// This function may be called during shutdown to clean up your module.  For modules that support dynamic reloading,
+	// we call this function before unloading the module.
+}
+
+#undef LOCTEXT_NAMESPACE
+	
+IMPLEMENT_MODULE(FUDPCommunicationModule, UDPCommunication)

4.27/UDPCommunication/Resources/Icon128.png

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+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Modules/ModuleManager.h"
+
+class FUDPCommunicationModule : public IModuleInterface
+{
+public:
+
+	/** IModuleInterface implementation */
+	virtual void StartupModule() override;
+	virtual void ShutdownModule() override;
+};

4.27/UDPCommunication/Resources/udp.png

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+#include "UDPReceiver.h"
+
+AUDPReceiver::AUDPReceiver(const FObjectInitializer& ObjectInitializer)
+	: Super(ObjectInitializer)
+{
+	ListenSocket = NULL;
+}
+
+void AUDPReceiver::Recv(const FArrayReaderPtr & ArrayReaderPtr, const FIPv4Endpoint & EndPt)
+{
+	if (!&ArrayReaderPtr) {
+		UE_LOG(LogTemp, Warning, TEXT("Cannot read array, nullptr returned."));
+		return;
+	}
+	
+	got_new_data = true;
+
+	if (UpdateInterest)
+		Archive(ArrayReaderPtr);
+}
+
+bool AUDPReceiver::StartUDPReceiver(const FString & SocketName, const int32 Port)
+{
+	FIPv4Endpoint Endpoint(FIPv4Address::Any, Port);
+	int32 BufferSize = 2 * 1024 * 1024;
+	ListenSocket = FUdpSocketBuilder(*SocketName).AsNonBlocking()
+		.AsReusable()
+		.BoundToEndpoint(Endpoint)
+		.WithReceiveBufferSize(BufferSize);
+	
+	FTimespan ThreadWaitTime = FTimespan::FromMilliseconds(100);
+	Receiver = new FUdpSocketReceiver(ListenSocket, ThreadWaitTime, TEXT("UDP Receiver"));
+	Receiver->OnDataReceived().BindUObject(this, &AUDPReceiver::Recv);
+	Receiver->Start();
+	return true;
+}
+
+void AUDPReceiver::EndPlay(const EEndPlayReason::Type EndPlayReason)
+{
+	Super::EndPlay(EndPlayReason);
+
+	delete Receiver;
+	Receiver = nullptr;
+
+	//Clear all sockets
+	if (ListenSocket)
+	{
+		ListenSocket->Close();
+		ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->DestroySocket(ListenSocket);
+	}
+}
+
+void AUDPReceiver::Archive(const FArrayReaderPtr & ArrayReaderPtr) {
+
+	FUDPData data;
+	*ArrayReaderPtr << data;
+
+	//Class Parameter Update function to set object ready for a query from blueprint
+	UpdateReceiverData(data);
+}
+
+void AUDPReceiver::UpdateReceiverData(FUDPData data)
+{
+	MyData = data;
+}
+
+FUDPData AUDPReceiver::GetData()
+{
+	UpdateInterest = true;	// Ready for new data
+	got_new_data = false;
+	return MyData;
+}
+
+bool AUDPReceiver::IsNewDataReady() {
+	return got_new_data;
+}

4.27/UDPCommunication/Source/UDPCommunication/Classes/UDPData.h

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+#include "UDPSender.h"
+
+// Sets default values
+AUDPSender::AUDPSender(const FObjectInitializer& ObjectInitializer)
+	: Super(ObjectInitializer)
+
+{
+	SenderSocket = NULL;
+}
+
+bool AUDPSender::StartUDPSender(const FString & SocketName, const FString & TheIP, const int32 ThePort)
+{
+	//Create Remote Address
+	RemoteAddr = ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->CreateInternetAddr();
+
+	bool bIsValid;
+	RemoteAddr->SetIp(*TheIP, bIsValid);
+	RemoteAddr->SetPort(ThePort);
+
+	if (!bIsValid)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("Wrong IP address supplied."));
+		return false;
+	}
+
+	SenderSocket = FUdpSocketBuilder(*SocketName)
+		.AsReusable()
+		.WithBroadcast()
+		;
+
+	//Set Send Buffer Size
+	int32 SendSize = 2 * 1024 * 1024;
+	SenderSocket->SetSendBufferSize(SendSize, SendSize);
+	SenderSocket->SetReceiveBufferSize(SendSize, SendSize);
+	SenderSocket->SetBroadcast(true);
+
+	return true;
+}
+
+bool AUDPSender::UDPSendArray(FUDPData data)
+{
+	if (!SenderSocket)
+	{
+		UE_LOG(LogTemp, Log, TEXT("There is no socket."));
+		return false;
+	}
+	int32 BytesSent = 0;
+
+	FArrayWriter Writer;
+	Writer << data;
+	SenderSocket->SendTo(Writer.GetData(), Writer.Num(), BytesSent, *RemoteAddr);
+
+	if (BytesSent <= 0) {
+		UE_LOG(LogTemp, Error, TEXT("Socket exists, but receiver did not accept any packets."));
+		return false;
+	}
+
+	return true;
+}
+
+void AUDPSender::EndPlay(const EEndPlayReason::Type EndPlayReason)
+{
+	Super::EndPlay(EndPlayReason);
+
+	if (SenderSocket)
+	{
+		SenderSocket->Close();
+		ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->DestroySocket(SenderSocket);
+	}
+}