steam relay networking

engine/engine.cpp

@@ -12,6 +12,7 @@
 
 #ifdef STEAM
 #include "steam/steam_api.h"
+#include "steam/steam_gameserver.h"
 #endif
 
 IRenderContext *g_pRenderContext;
@@ -21,17 +22,30 @@ IGameWindowManager *g_pWindowManager;
 CServerGameDLL *g_pServerGame;
 CClientGameDLL *g_pClientGame;
 
+extern "C" void __cdecl SteamAPIDebug( ESteamNetworkingSocketsDebugOutputType nType, const char *pszMsg )
+{
+	V_printf("STEAM: %s\n", pszMsg);
+}
+
 extern "C" void FunnyMain( int argc, char **argv )
 {
 	CommandLine()->CreateCommandLine(argc, argv);
 
 	EngineConsts_t stConstants = {};
 #ifdef STEAM
+	if(SteamAPI_RestartAppIfNecessary(480))
+	{
+		V_printf("Mshallah we are doing reboot\n");
+		Plat_Exit(0);
+	}
+
 	stConstants.m_bIsSteam = true; 
 	if (!SteamAPI_Init())
 		Plat_FatalErrorFunc("SteamAPI_Init failed lol\n");
-	stConstants.LaunchServer = LaunchLocalBridge;	
+	stConstants.LaunchServer = LaunchServerAtSteamRelay;	
 	stConstants.ConnectSteamServer = ConnectBySteamID;	
+
+	//SteamNetworkingUtils()->SetDebugOutputFunction(k_ESteamNetworkingSocketsDebugOutputType_Debug, SteamAPIDebug);
 #endif
 	stConstants.m_bIsDedicated = CommandLine()->CheckParam("-dedicated");
 	stConstants.LaunchLocalBridge = LaunchLocalBridge;	
@@ -75,9 +89,13 @@ extern "C" void FunnyMain( int argc, char **argv )
 
 	double fPrevious = Plat_GetTime();
 	for (;;) {
+#ifdef STEAM
+		SteamAPI_RunCallbacks();
+#endif
 		double fCurrent = Plat_GetTime();
 		double fDelta = fCurrent-fPrevious;
 		fPrevious = fCurrent;
+
 		g_pServerGame->m_pBridge->Frame(fDelta);
 
 		if (!stConstants.m_bIsDedicated)

engine/localnetwork.cpp

@@ -12,13 +12,16 @@ public:
 	virtual ~CLocalNetworkServer() override;
 
 	virtual void NetThink() override;
+	virtual void SetCallback( NetCallbackFn fnCallback ) override;
 
 	virtual uint32_t BHasUpdates() override;
 	virtual NetPacket_t RecievePacket() override;
-	virtual NetPacket_t PeekPacket() override;
 
+	virtual NetPacket_t PeekPacket() override;
 	virtual void SendPacket( NetPacket_t stPacket ) override;
 
+	virtual bool BIsActive() override;
+
 	virtual uint64_t GetSteamID() override;
 	virtual const char *GetIP() override;
 	virtual uint16_t GetPort() override;
@@ -27,6 +30,7 @@ public:
 	CUtlVector<NetPacket_t> m_packets;
 	CUtlVector<NetPacket_t> m_clientPackets;
 	CUtlVector<void*> m_freedPackets;
+	NetCallbackFn m_fnCallback;
 	const uint16_t m_uPort;
 };
 
@@ -41,16 +45,18 @@ CLocalNetworkServer::~CLocalNetworkServer()
 
 }
 
+void CLocalNetworkServer::SetCallback( NetCallbackFn fnCallback )
+{
+	m_fnCallback = fnCallback;
+}
 
 void CLocalNetworkServer::NetThink()
 {
-	m_lock.Lock();
 	for ( auto p: m_freedPackets)
 	{
 		V_free(p);
 	}
 	m_freedPackets = {};
-	m_lock.Unlock();
 }
 
 
@@ -61,23 +67,19 @@ uint32_t CLocalNetworkServer::BHasUpdates()
 
 NetPacket_t CLocalNetworkServer::RecievePacket()
 {
-	m_lock.Lock();
 	if (!BHasUpdates())
 		return {};
 	NetPacket_t p = m_clientPackets[0];
 	m_clientPackets.RemoveHead(1);
 	m_freedPackets.AppendTail(p.pData);
-	m_lock.Unlock();
 	return p;
 }
 
 NetPacket_t CLocalNetworkServer::PeekPacket()
 {
-	m_lock.Lock();
 	if (!BHasUpdates())
 		return {};
 	NetPacket_t p = m_clientPackets[0];
-	m_lock.Unlock();
 	return p;
 }
 
@@ -86,14 +88,17 @@ void CLocalNetworkServer::SendPacket( NetPacket_t stPacket )
 {
 	NetPacket_t stSavedPacked;
 	stSavedPacked.uSize = stPacket.uSize;
+	stSavedPacked.m_uOwner = 0;
 	stSavedPacked.pData = V_malloc(stPacket.uSize);
 	V_memcpy(stSavedPacked.pData, stPacket.pData, stPacket.uSize);
 
-	m_lock.Lock();
 	m_packets.AppendTail(stSavedPacked);
-	m_lock.Unlock();
 }
 
+bool CLocalNetworkServer::BIsActive()
+{
+	return true;
+}
 
 uint64_t CLocalNetworkServer::GetSteamID()
 {
@@ -117,12 +122,15 @@ public:
 	virtual ~CLocalNetworkClient() override;
 
 	virtual void NetThink() override;
+	virtual void SetCallback( NetCallbackFn fnCallback ) override;
 
 	virtual uint32_t BHasUpdates() override;
 	virtual NetPacket_t RecievePacket() override;
 	virtual NetPacket_t PeekPacket() override;
 
 	virtual void SendPacket( NetPacket_t stPacket ) override;
+	
+	virtual bool BIsActive() override;
 
 	virtual uint64_t GetSteamID() override;
 	virtual const char *GetIP() override;
@@ -131,6 +139,11 @@ public:
 	CLocalNetworkServer *m_pServer;
 };
 
+bool CLocalNetworkClient::BIsActive()
+{
+	return true;
+}
+
 CLocalNetworkClient::CLocalNetworkClient( uint16_t uPort )
 {
 	m_pServer = s_pLocalServers[uPort];
@@ -154,23 +167,19 @@ uint32_t CLocalNetworkClient::BHasUpdates()
 
 NetPacket_t CLocalNetworkClient::RecievePacket()
 {
-	m_pServer->m_lock.Lock();
 	if (!BHasUpdates())
 		return {};
 	NetPacket_t p = m_pServer->m_packets[0];
 	m_pServer->m_packets.RemoveHead(1);
 	m_pServer->m_freedPackets.AppendTail(p.pData);
-	m_pServer->m_lock.Unlock();
 	return p;
 }
 
 NetPacket_t CLocalNetworkClient::PeekPacket()
 {
-	m_pServer->m_lock.Lock();
 	if (!BHasUpdates())
 		return {};
 	NetPacket_t p = m_pServer->m_packets[0];
-	m_pServer->m_lock.Unlock();
 	return p;
 }
 
@@ -179,12 +188,15 @@ void CLocalNetworkClient::SendPacket( NetPacket_t stPacket )
 {
 	NetPacket_t stSavedPacked;
 	stSavedPacked.uSize = stPacket.uSize;
+	stSavedPacked.m_uOwner = 0;
 	stSavedPacked.pData = V_malloc(stPacket.uSize);
 	V_memcpy(stSavedPacked.pData, stPacket.pData, stPacket.uSize);
 
-	m_pServer->m_lock.Lock();
 	m_pServer->m_clientPackets.AppendTail(stSavedPacked);
-	m_pServer->m_lock.Unlock();
+}
+
+void CLocalNetworkClient::SetCallback( NetCallbackFn fnCallback )
+{
 }
 
 

engine/steamnetwork.cpp

@@ -1,5 +1,11 @@
 #include "inetworkserver.h"
 #include "inetworkclient.h"
+#include "tier0/lib.h"
+#include "tier1/utlmutex.h"
+#include "tier1/utlvector.h"
+#ifdef STEAM
+#include "steam/steam_gameserver.h"
+#endif
 #include "steam/isteamnetworkingsockets.h"
 
 class CSteamNetworkServer: public INetworkBase
@@ -9,22 +15,37 @@ public:
 	virtual ~CSteamNetworkServer() override;
 
 	virtual void NetThink() override;
+	virtual void SetCallback( NetCallbackFn fnCallback ) override;
 
 	virtual uint32_t BHasUpdates() override;
+	virtual NetPacket_t PeekPacket() override;
 	virtual NetPacket_t RecievePacket() override;
 
 	virtual void SendPacket( NetPacket_t stPacket ) override;
 
+	virtual bool BIsActive() override;
+
 	virtual uint64_t GetSteamID() override;
 	virtual const char *GetIP() override;
 	virtual uint16_t GetPort() override;
+
+	ISteamNetworkingSockets *m_pInterface;
 	HSteamListenSocket m_hSocket;
+	NetCallbackFn m_fnCallback;
+	HSteamNetPollGroup m_hPollGroup;
+	uint64_t m_uSteamId;
+
+	CUtlVector<HSteamNetPollGroup> m_hConnections;
+
+	STEAM_GAMESERVER_CALLBACK(CSteamNetworkServer, ClientConnected, SteamNetConnectionStatusChangedCallback_t);
+	STEAM_GAMESERVER_CALLBACK(CSteamNetworkServer, SteamNetAuthenticated, SteamNetAuthenticationStatus_t);
 };
 
 CSteamNetworkServer::CSteamNetworkServer( uint16_t uPort )
 {
-	m_hSocket = SteamNetworkingSockets()->CreateListenSocketP2P(uPort, 0, NULL);
+	m_pInterface = SteamGameServerNetworkingSockets();
-	
+	m_hSocket = m_pInterface->CreateListenSocketP2P(0, 0, NULL);
+	m_hPollGroup = m_pInterface->CreatePollGroup();
 }
 
 CSteamNetworkServer::~CSteamNetworkServer()
@@ -37,8 +58,17 @@ void CSteamNetworkServer::NetThink()
 {
 }
 
+void CSteamNetworkServer::SetCallback( NetCallbackFn fnCallback )
+{
+	m_fnCallback = fnCallback;
+}
+
 
 uint32_t CSteamNetworkServer::BHasUpdates()
+{
+	return 0;
+}
+NetPacket_t CSteamNetworkServer::PeekPacket()
 {
 
 }
@@ -51,6 +81,21 @@ NetPacket_t CSteamNetworkServer::RecievePacket()
 
 void CSteamNetworkServer::SendPacket( NetPacket_t stPacket )
 {
+	if ( stPacket.m_uOwner == 0 )
+	{
+		for ( auto c: m_hConnections )
+		{
+			if (stPacket.m_eArrival == PACKET_MAY_ARRIVE)
+				m_pInterface->SendMessageToConnection(c, stPacket.pData, stPacket.uSize, k_nSteamNetworkingSend_Unreliable, 0);
+			if (stPacket.m_eArrival == PACKET_MUST_ARRIVE)
+				m_pInterface->SendMessageToConnection(c, stPacket.pData, stPacket.uSize, k_nSteamNetworkingSend_Reliable, 0);
+		}
+	}
+}
+
+bool CSteamNetworkServer::BIsActive()
+{
+	return true;
 }
 
 
@@ -69,6 +114,189 @@ uint16_t CSteamNetworkServer::GetPort()
 	return 0;
 }
 
+void CSteamNetworkServer::ClientConnected( SteamNetConnectionStatusChangedCallback_t *pParam )
+{
+	uint32_t uResult;
+	NetCallback_t callback = {};
+	switch (pParam->m_info.m_eState)
+	{
+	case k_ESteamNetworkingConnectionState_Connecting:
+		callback.m_eType = NET_TRYING_TO_CONNECT;
+		callback.m_ullUserID = pParam->m_info.m_identityRemote.GetSteamID64();
+		break;
+	case k_ESteamNetworkingConnectionState_Connected:
+		callback.m_eType = NET_CONNECTED;
+		callback.m_ullUserID = pParam->m_info.m_identityRemote.GetSteamID64();
+		m_pInterface->SetConnectionPollGroup(pParam->m_hConn, m_hPollGroup);
+		m_hConnections.AppendTail(pParam->m_hConn);
+		
+		break;
+	default:
+		break;
+
+	}
+	V_printf("%p\n", m_fnCallback);
+	if (m_fnCallback)
+		uResult = m_fnCallback(&callback);
+	else 
+		uResult = 0;
+	switch (pParam->m_info.m_eState)
+	{
+	case k_ESteamNetworkingConnectionState_Connecting:
+		if (uResult != 0)
+			m_pInterface->AcceptConnection(pParam->m_hConn);
+		else
+			m_pInterface->CloseConnection(pParam->m_hConn, 0, "Connection denied", 0);
+		break;
+	default:
+		break;
+
+	}
+}
+
+void CSteamNetworkServer::SteamNetAuthenticated( SteamNetAuthenticationStatus_t *pParam )
+{
+	NetCallback_t callback = {};
+	callback.m_eType = NET_SERVER_READY_TO_USE;
+	if ( pParam->m_eAvail != k_ESteamNetworkingAvailability_Current )
+		return;
+	if (m_fnCallback)
+		m_fnCallback(&callback);
+}
+
+
+class CSteamNetworkClient: public INetworkBase
+{
+public:
+	CSteamNetworkClient( uint64_t uID, uint16_t uPort );
+	virtual ~CSteamNetworkClient() override;
+
+	virtual void NetThink() override;
+	virtual void SetCallback( NetCallbackFn fnCallback ) override;
+
+	virtual uint32_t BHasUpdates() override;
+	virtual NetPacket_t PeekPacket() override;
+	virtual NetPacket_t RecievePacket() override;
+
+	virtual void SendPacket( NetPacket_t stPacket ) override;
+
+	virtual bool BIsActive() override;
+
+	virtual uint64_t GetSteamID() override;
+	virtual const char *GetIP() override;
+	virtual uint16_t GetPort() override;
+	ISteamNetworkingSockets *m_pInterface;
+	HSteamNetConnection m_hConnection;
+	CUtlVector<NetPacket_t> m_incomingPackets = {};
+	CUtlVector<SteamNetworkingMessage_t*> m_incomingSteamPackets = {};
+	CUtlVector<SteamNetworkingMessage_t*> m_freeSteamPackets = {};
+	CUtlLock m_lock;
+};
+
+CSteamNetworkClient::CSteamNetworkClient( uint64_t uID, uint16_t uPort )
+{
+	m_pInterface = SteamNetworkingSockets();
+	SteamNetworkingIdentity id = {};
+	id.Clear();
+	id.SetSteamID64(uID);
+	m_hConnection = m_pInterface->ConnectP2P(id, 0, 0, NULL);
+}
+
+CSteamNetworkClient::~CSteamNetworkClient()
+{
+
+}
+
+
+void CSteamNetworkClient::NetThink()
+{
+	int nReceived = 1;
+	for ( auto p: m_freeSteamPackets )
+	{
+		p->Release();
+	}
+	m_freeSteamPackets = {};
+	while (nReceived)
+	{
+		SteamNetworkingMessage_t *pMessages[64];
+		nReceived = m_pInterface->ReceiveMessagesOnConnection(m_hConnection, pMessages, 64);
+		for ( int i = 0; i < nReceived; i++ )
+		{
+			SteamNetConnectionInfo_t info = {};
+			m_pInterface->GetConnectionInfo(pMessages[i]->GetConnection(), &info);
+			m_incomingSteamPackets.AppendTail(pMessages[i]);
+			NetPacket_t packet = {};
+			packet.m_uOwner = info.m_identityRemote.GetSteamID64();
+			packet.uSize = pMessages[i]->GetSize();
+			packet.pData = (void*)pMessages[i]->GetData();
+			m_incomingPackets.AppendTail(packet);
+		}
+
+	}
+}
+
+void CSteamNetworkClient::SetCallback( NetCallbackFn fnCallback )
+{
+
+}
+
+
+uint32_t CSteamNetworkClient::BHasUpdates()
+{
+	return m_incomingPackets.GetSize();
+}
+
+NetPacket_t CSteamNetworkClient::PeekPacket()
+{
+	m_lock.Lock();
+	if (!BHasUpdates())
+		return {};
+	NetPacket_t p = m_incomingPackets[0];
+	m_lock.Unlock();
+	return p;
+}
+
+NetPacket_t CSteamNetworkClient::RecievePacket()
+{
+
+	m_lock.Lock();
+	if (!BHasUpdates())
+		return {};
+	NetPacket_t p = m_incomingPackets[0];
+	m_freeSteamPackets.AppendTail(m_incomingSteamPackets[0]);
+	m_incomingSteamPackets.RemoveHead(1);
+	m_incomingPackets.RemoveHead(1);
+	m_lock.Unlock();
+	return p;
+}
+
+
+void CSteamNetworkClient::SendPacket( NetPacket_t stPacket )
+{
+	
+}
+
+bool CSteamNetworkClient::BIsActive()
+{
+	return true;
+}
+
+
+uint64_t CSteamNetworkClient::GetSteamID()
+{
+	return 0;
+}
+
+const char *CSteamNetworkClient::GetIP()
+{
+	return 0;
+}
+
+uint16_t CSteamNetworkClient::GetPort()
+{
+	return 0;
+}
+
 
 INetworkBase *LaunchServerAtSteamRelay( uint16_t uPort )
 {
@@ -78,5 +306,11 @@ INetworkBase *LaunchServerAtSteamRelay( uint16_t uPort )
 
 INetworkBase *ConnectBySteamID( uint64_t uID, uint16_t uPort )
 {
-	return NULL;
+	CSteamNetworkClient *pBase = new CSteamNetworkClient(uID, uPort);
+	if (pBase->m_hConnection == k_HSteamNetConnection_Invalid)
+	{
+		delete pBase;
+		return NULL;
+	}
+	return pBase;
 }

game/client/baseentity.cpp

@@ -128,7 +128,9 @@ BEGIN_DATADESC_NOBASE(C_BaseEntity)
 END_DATADESC()
 
 IMPLEMENT_RECV_DT_NOBASE(C_BaseEntity)
-	NetPropFloat3(m_vPosition)
+	NetPropFloat3(m_vPosition),
+	NetPropQuaternion(m_vRotation),
+	NetPropFloat3(m_vScale)
 END_RECV_DT()
 
 IMPLEMENT_EMPTY_SEND_DT_NOBASE(C_BaseEntity)

game/client/build.cpp

@@ -33,9 +33,12 @@ DECLARE_BUILD_STAGE(Client)
 		"../shared",
 		"../../public",
 		FUNNYSTDLIB"public",
-		EXTERNAL"cglm/include"
+		EXTERNAL"cglm/include",
+		EXTERNAL"steamworks/public",
 	};
 	compileProject.bFPIC = true;
+	if ( GET_PROJECT_VALUE(config, "steam") == "true" )
+		compileProject.macros.AppendTail({"STEAM", "TRUE"});
 	ldProject = ccompiler->Compile(&compileProject);
 
 	if ( GET_PROJECT_VALUE(config, "static") == "true" )
@@ -44,6 +47,10 @@ DECLARE_BUILD_STAGE(Client)
 	}
 	else
 	{
+		if ( GET_PROJECT_VALUE(config, "steam") == "true" ) {
+			ldProject.libraryDirectories.AppendTail(EXTERNAL"steamworks/redistributable_bin/linux64");
+			ldProject.libraries.AppendTail("steam_api");
+		}
 		ldProject.linkType = ELINK_DYNAMIC_LIBRARY;
 		ldProject.libraryObjects = {
 			GET_PROJECT_LIBRARY(tier0, "tier0"),

game/client/game.cpp

@@ -1,4 +1,5 @@
 #include "tier2/ifilesystem.h"
+#include "tier0/commandline.h"
 #include "materialsystem/imaterialsystem.h"
 #include "enginebridge.h"
 #include "worldrender.h"
@@ -9,6 +10,10 @@
 #include "cglm/cglm.h"
 #include "inetworkclient.h"
 #include "netprotocol.h"
+#ifdef STEAM
+#include "steam/isteamgameserver.h"
+#include "steam/steam_gameserver.h"
+#endif
 
 IFileSystem *filesystem;
 IRenderContext *g_pRenderContext;
@@ -16,7 +21,9 @@ IGameWindow *g_pMainWindow;
 static CEngineVars s_vars;
 CEngineVars *g_pEngineVars = &s_vars;
 EngineConsts_t *g_pEngineConstants;
+
 INetworkBase *g_pServerBridge;
+INetworkBase *g_pServerConnection;
 
 class CFunnyGameBridge: public IEngineBridge
 {
@@ -25,6 +32,11 @@ class CFunnyGameBridge: public IEngineBridge
 	virtual void Frame( float fDelta ) override;
 	virtual void Shutdown() override;
 	virtual void ConnectInterface( const char *psz, void *pInterface ) override;
+	void TryToConnectToServer();
+
+	bool m_bIsConnectedToSteamRelay;
+	bool m_bIsConnectedToServer;
+
 };
 
 IEngineBridge *EngineBridge()
@@ -35,16 +47,29 @@ IEngineBridge *EngineBridge()
 
 EXPOSE_INTERFACE_FN(EngineBridge, IEngineBridge, ENGINE_BRIDGE_INTERFACE_VERSION)
 
+
 void CFunnyGameBridge::Init()
 {
 	g_pWorldRenderer->Init();
-	g_pServerBridge = g_pEngineConstants->ConnectLocalBridge(0);
+#ifdef STEAM
+	if (g_pEngineConstants->m_bIsSteam)
+	{
+		SteamErrMsg err = { 0 };
+		m_bIsConnectedToSteamRelay = 0;
+		SteamNetworkingUtils()->InitRelayNetworkAccess();
+	}
+#endif
 
-	PlayerJoined_t join = {
+	m_bIsConnectedToServer = false;
-		MESSAGE_PLAYER_JOINED,
+	g_pServerBridge = g_pEngineConstants->ConnectLocalBridge(0);
-		"LocalPlayer"
+	if (g_pServerBridge)
-	};
+	{
-	g_pServerBridge->SendPacket({&join, sizeof(join)});
+		PlayerJoined_t join = {
+			MESSAGE_PLAYER_JOINED,
+			"LocalPlayer"
+		};
+		g_pServerBridge->SendPacket({&join, sizeof(join)});
+	}
 }
 
 void CFunnyGameBridge::Tick( float fDelta )
@@ -70,55 +95,106 @@ searchIndex:
 	return (char*)pEntity+pCurrentMap->m_pFields[uCurrentIndex].m_uOffset;
 }
 
+void CFunnyGameBridge::TryToConnectToServer()
+{
+#ifdef STEAM
+	if (g_pEngineConstants->m_bIsSteam)
+	{
+		if (m_bIsConnectedToSteamRelay != 0 )
+			return;
+		if ( SteamNetworkingUtils()->GetRelayNetworkStatus(NULL) == k_ESteamNetworkingAvailability_Current)
+		{
+			m_bIsConnectedToSteamRelay = 1;
+			V_printf("%llu\n", SteamUser()->GetSteamID().ConvertToUint64());
+			if (CommandLine()->ParamValue("-steam-connect"))
+			{
+				char *pEnd = NULL;
+				uint64_t uValue = strtoull(CommandLine()->ParamValue("-steam-connect"), &pEnd, 10);
+				g_pServerConnection = g_pEngineConstants->ConnectSteamServer(uValue, FUNNY_SECURE_PORT);
+				if (g_pServerConnection)
+				{
+					m_bIsConnectedToServer = true;
+				}
+				return;
+			}
+		}
+	}
+#endif
+}
+
 void CFunnyGameBridge::Frame( float fDelta )
 {
 	g_pEngineVars->m_fTime += fDelta;
 	g_pEngineVars->m_fDeltaTime = fDelta;
 
-	g_pServerBridge->NetThink();	
+	TryToConnectToServer();
-	while ( g_pServerBridge->BHasUpdates() )
-	{
-		NetPacket_t packet = g_pServerBridge->PeekPacket();
-		// discard it
-		if (packet.uSize < sizeof (EMessageType))
-			continue;
-		PlayerPacket_t *pPacket = (PlayerPacket_t*)packet.pData;
-		C_BaseEntity *pEntity;
-		switch (pPacket->m_eType)
-		{
-		case MESSAGE_ENTITY_CLASS_SYNC:
-			pEntity = EntitySystem()->CreateByClassnameWithIndex(
-					(char*)pPacket->m_entityClass.m_szEntityName, pPacket->m_entityClass.m_uIndex
-					);
-			pEntity->Spawn();
-			g_pServerBridge->RecievePacket();
-			break;
-		case MESSAGE_ENTITY_DATA_SYNC:
-			pEntity = EntitySystem()->GetEntities()[pPacket->m_entityData.m_uIndex];
-			union {
-				void *pData;
-				char *pcCurrentData;
-				EntityDataSyncValue_t *pcSyncValue;
-			};
-			pData = pPacket;
-			pcCurrentData += sizeof(EntityDataSync_t);
-			for ( uint32_t u = 0; u < pPacket->m_entityData.m_uCount; u++ )
-			{
-				uint32_t uVariableSize = pcSyncValue->m_uVariableSize;
-				void *pValueData = (float*)ENT_GetNetMapData(
-						pEntity, 
-						pEntity->GetRecvMap(), 
-						pcSyncValue->m_uVariableIndex);
 
-				pcCurrentData += sizeof(EntityDataSyncValue_t);
+	INetworkBase *pCurrentServer = g_pServerBridge;
-				if (pValueData)
+	pCurrentServer = g_pServerBridge;
-					V_memcpy(pValueData, pcCurrentData, uVariableSize);
+	if (m_bIsConnectedToServer)
-				pcCurrentData += (uVariableSize+7) & ~7;
+		if (g_pServerConnection->BIsActive())
+			pCurrentServer = g_pServerConnection;
+	
+
+	if (pCurrentServer)
+	{
+		pCurrentServer->NetThink();	
+		while ( pCurrentServer->BHasUpdates() )
+		{
+			NetPacket_t packet = pCurrentServer->PeekPacket();
+			// discard it
+			if (packet.uSize < sizeof (EMessageType))
+				continue;
+			PlayerPacket_t *pPacket = (PlayerPacket_t*)packet.pData;
+			C_BaseEntity *pEntity;
+			switch (pPacket->m_eType)
+			{
+				case MESSAGE_ENTITY_CLASS_SYNC:
+					pEntity = EntitySystem()->CreateByClassnameWithIndex(
+							(char*)pPacket->m_entityClass.m_szEntityName, pPacket->m_entityClass.m_uIndex
+							);
+					if (pEntity == NULL)
+					{
+						pCurrentServer->RecievePacket();
+						continue;
+					}
+					pEntity->Spawn();
+					pCurrentServer->RecievePacket();
+					break;
+				case MESSAGE_ENTITY_DATA_SYNC:
+					pEntity = EntitySystem()->GetEntities()[pPacket->m_entityData.m_uIndex];
+					if (pEntity == NULL)
+					{
+						pCurrentServer->RecievePacket();
+						continue;
+					}
+					union {
+						void *pData;
+						char *pcCurrentData;
+						EntityDataSyncValue_t *pcSyncValue;
+					};
+					pData = pPacket;
+					pcCurrentData += sizeof(EntityDataSync_t);
+					for ( uint32_t u = 0; u < pPacket->m_entityData.m_uCount; u++ )
+					{
+						uint32_t uVariableSize = pcSyncValue->m_uVariableSize;
+						void *pValueData = (float*)ENT_GetNetMapData(
+								pEntity, 
+								pEntity->GetRecvMap(), 
+								pcSyncValue->m_uVariableIndex);
+
+						pcCurrentData += sizeof(EntityDataSyncValue_t);
+						if (pValueData)
+							V_memcpy(pValueData, pcCurrentData, uVariableSize);
+						pcCurrentData += (uVariableSize+7) & ~7;
+					}
+					pCurrentServer->RecievePacket();
+					break;
+				default:
+					pCurrentServer->RecievePacket();
+					V_printf("worng packet\n");
+					continue;
 			}
-			g_pServerBridge->RecievePacket();
-			break;
-		default:
-			continue;
 		}
 	}
 

game/server/baseentity.cpp

@@ -25,6 +25,12 @@ void CBaseEntity::Spawn()
 
 void CBaseEntity::SetAbsAngles( float fPitch, float fYaw, float fRoll )
 {
+	versor q;
+	glm_euler_yzx_quat((vec3){fPitch, fYaw, fRoll}, q);
+	m_vRotation.x = q[0];
+	m_vRotation.y = q[1];
+	m_vRotation.z = q[2];
+	m_vRotation.w = q[3];
 }
 
 void CBaseEntity::SetAbsOrigin( Vector origin )
@@ -42,7 +48,6 @@ void CBaseEntity::SetScale( float fScale )
 
 QAngle CBaseEntity::GetAbsQAngles( void )
 {
-
 }
 Quat CBaseEntity::GetAbsAngles( void )
 {
@@ -119,7 +124,9 @@ BEGIN_DATADESC_NOBASE(CBaseEntity)
 END_DATADESC()
 
 IMPLEMENT_SEND_DT_NOBASE(CBaseEntity)
-	NetPropFloat3(m_vPosition)
+	NetPropFloat3(m_vPosition),
+	NetPropQuaternion(m_vRotation),
+	NetPropFloat3(m_vScale),
 END_SEND_DT()
 
 IMPLEMENT_EMPTY_RECV_DT_NOBASE(CBaseEntity)

game/server/build.cpp

@@ -27,9 +27,12 @@ DECLARE_BUILD_STAGE(Server)
 		".",
 		"../shared",
 		FUNNYSTDLIB"public",
-		EXTERNAL"cglm/include"
+		EXTERNAL"cglm/include",
+		EXTERNAL"steamworks/public",
 	};
 	compileProject.bFPIC = true;
+	if ( GET_PROJECT_VALUE(config, "steam") == "true" )
+		compileProject.macros.AppendTail({"STEAM", "TRUE"});
 	ldProject = ccompiler->Compile(&compileProject);
 	if ( GET_PROJECT_VALUE(config, "static") == "true" )
 	{
@@ -37,6 +40,10 @@ DECLARE_BUILD_STAGE(Server)
 	}
 	else 
 	{
+		if ( GET_PROJECT_VALUE(config, "steam") == "true" ) {
+			ldProject.libraryDirectories.AppendTail(EXTERNAL"steamworks/redistributable_bin/linux64");
+			ldProject.libraries.AppendTail("steam_api");
+		}
 		ldProject.linkType = ELINK_DYNAMIC_LIBRARY;
 		ldProject.libraryObjects = {
 			GET_PROJECT_LIBRARY(tier0, "tier0"),

game/server/entitysystem.cpp

@@ -92,7 +92,8 @@ CBaseEntity *CEntitySystem::CreateByClassname( const char *szName )
 		iSelectedSlot,
 	};
 	V_strncpy((char*)stClassSync.m_szEntityName, szName, 256);
-	g_pClientBridge->SendPacket({&stClassSync, sizeof(stClassSync)});
+	if (g_pCurrentConnection)
+		g_pCurrentConnection->SendPacket({&stClassSync, sizeof(stClassSync)});
 	return pEntity;
 }
 IEntityFactory *CEntitySystem::GetFactoryByClassname( const char *szName )
@@ -113,6 +114,25 @@ void CEntitySystem::Think()
 	CBaseEntity *pEntity;
 	int i;
 
+	for ( i = 0; i < MAX_EDICTS; i++ )
+	{
+
+		pEntity = m_pEntities[i];
+		if ( pEntity == NULL )
+			continue;
+
+		if ( !pEntity->m_pfnThink )
+			continue;
+
+		(pEntity->*pEntity->m_pfnThink)(0);
+	}
+}
+
+void CEntitySystem::NetThink( INetworkBase *pBase )
+{
+
+	CBaseEntity *pEntity;
+	int i;
 	uint32_t u;
 	uint32_t x;
 	uint32_t uSize;
@@ -125,19 +145,15 @@ void CEntitySystem::Think()
 		EntityDataSyncValue_t *pValue;
 	};
 
-
 	for ( i = 0; i < MAX_EDICTS; i++ )
 	{
-
 		pEntity = m_pEntities[i];
 		if ( pEntity == NULL )
 			continue;
 
 		if ( !pEntity->m_pfnThink )
 			continue;
-
+		
-		(pEntity->*pEntity->m_pfnThink)(0);
-
 		pNetMap = pEntity->GetSendMap();
 		uSize = sizeof(EntityDataSyncValue_t);
 		x = 0;
@@ -177,9 +193,10 @@ void CEntitySystem::Think()
 			}
 			pNetMap = pNetMap->m_pBase;
 		}
-		g_pClientBridge->SendPacket({pData, uSize});
+		if (g_pCurrentConnection)
+			g_pCurrentConnection->SendPacket({pData, uSize});
 		V_free(pData);
-		
+
 	}
 }
 

game/server/entitysystem.h

@@ -7,6 +7,8 @@
 #ifndef ENTITIES_H
 #define ENTITIES_H
 
+#include "networkbase.h"
+
 class IEntityFactory;
 class CBaseEntity;
 
@@ -23,6 +25,7 @@ public:
 	virtual IEntityFactory *GetFactoryByClassname( const char *szName );
 
 	virtual void Think();
+	virtual void NetThink( INetworkBase *pBase );
 	virtual CBaseEntity **GetEntities();
 private:
 	CBaseEntity *m_pEntities[MAX_EDICTS];

game/server/game.cpp

@@ -5,6 +5,11 @@
 #include "game.h"
 #include "inetworkserver.h"
 #include "netprotocol.h"
+#ifdef STEAM
+#include "steam/isteamgameserver.h"
+#include "steam/steam_gameserver.h"
+#endif
+
 
 IFileSystem *filesystem;
 IRenderContext *g_pRenderContext;
@@ -13,6 +18,8 @@ static CEngineVars s_vars;
 CEngineVars *g_pEngineVars = &s_vars;
 EngineConsts_t *g_pEngineConstants;
 INetworkBase *g_pClientBridge;
+INetworkBase *g_pPublicConnection;
+INetworkBase *g_pCurrentConnection;
 
 class CFunnyGameBridge: public IEngineBridge
 {
@@ -21,6 +28,9 @@ class CFunnyGameBridge: public IEngineBridge
 	virtual void Frame( float fDelta ) override;
 	virtual void Shutdown() override;
 	virtual void ConnectInterface( const char *psz, void *pInterface ) override;
+	
+	bool m_bIsConnectedToSteamRelay;
+	float m_fNetUpdateTimer;
 
 };
 
@@ -32,9 +42,64 @@ IEngineBridge *EngineBridge()
 
 EXPOSE_INTERFACE_FN(EngineBridge, IEngineBridge, ENGINE_BRIDGE_INTERFACE_VERSION)
 
+uint32_t NET_ServerCallback( NetCallback_t *pCallback )
+{
+	V_printf("hi %u\n", pCallback->m_eType);
+	if (pCallback->m_eType == NET_SERVER_READY_TO_USE)
+	{
+		V_printf("//--- LAUNCHED SERVER AT ---\n");
+		V_printf("// %llu\n", SteamGameServer()->GetSteamID().ConvertToUint64());
+		return 0;
+	}
+	if (pCallback->m_eType == NET_TRYING_TO_CONNECT)
+	{
+		V_printf("user %llu is trying to connect\n", pCallback->m_ullUserID);
+		return 1;
+	}
+	if (pCallback->m_eType == NET_CONNECTED)
+	{
+		V_printf("user %llu has connected, hi!\n", pCallback->m_ullUserID);
+		CBaseEntity *pEntity; 
+		pEntity = EntitySystem()->CreateByClassname("player");
+		pEntity->Spawn();
+		return 1;
+	}
+	return 0;
+}
+
 void CFunnyGameBridge::Init()
 {	
-	g_pClientBridge = g_pEngineConstants->LaunchLocalBridge(0);
+	if (g_pEngineConstants->m_bIsDedicated == false)
+		g_pClientBridge = g_pEngineConstants->LaunchLocalBridge(0);
+	g_pPublicConnection = NULL;
+	g_pCurrentConnection = g_pClientBridge;
+#ifdef STEAM
+	if (g_pEngineConstants->m_bIsSteam)
+	{
+		SteamErrMsg err = { 0 };
+		if (SteamGameServer_InitEx(INADDR_ANY, FUNNY_SECURE_PORT, FUNNY_QUERY_PORT, eServerModeAuthentication, "0.0.0.0", &err));
+		{
+			V_printf("SteamGameServer_InitEx: %s", err);
+		}
+		SteamNetworkingUtils()->InitRelayNetworkAccess();
+	}
+	if (g_pEngineConstants->m_bIsDedicated && g_pEngineConstants->m_bIsSteam)
+	{
+		SteamGameServer()->SetModDir("funnygame");
+		SteamGameServer()->SetProduct("funnygame");
+		SteamGameServer()->SetGameDescription("not that funny but ok");
+		SteamGameServer()->LogOnAnonymous();
+		SteamNetworkingUtils()->InitRelayNetworkAccess();
+		SteamGameServer()->SetDedicatedServer(true);
+		SteamGameServer()->SetMaxPlayerCount(128);
+		SteamGameServer()->SetAdvertiseServerActive(true);
+	}
+	if (g_pEngineConstants->m_bIsSteam)
+	{
+	}
+#endif
+
+	m_fNetUpdateTimer = 0;
 }
 
 void CFunnyGameBridge::Tick( float fDelta )
@@ -42,34 +107,74 @@ void CFunnyGameBridge::Tick( float fDelta )
 
 }
 
+void NET_ProcessPacket( INetworkBase *pBase )
+{
+
+	NetPacket_t packet = pBase->PeekPacket();
+	// discard it
+	if (packet.uSize < sizeof (EMessageType))
+	{
+		pBase->RecievePacket();
+		return;
+	}
+	PlayerPacket_t *pPacket = (PlayerPacket_t*)packet.pData;
+	CBaseEntity *pEntity; 
+	switch (pPacket->m_eType)
+	{
+	case MESSAGE_PLAYER_JOINED:
+		// online packets don't generate these
+		if (g_pEngineConstants->m_bIsDedicated)
+			break;
+		pBase->RecievePacket();
+		V_printf("Hi %s\n",pPacket->m_playerJoined.m_szPlayerName);
+		pEntity = EntitySystem()->CreateByClassname("player");
+		pEntity->Spawn();
+		break;
+	default:
+		break;
+	}
+	pBase->RecievePacket();
+}
+
 void CFunnyGameBridge::Frame( float fDelta )
 {
 	g_pEngineVars->m_fTime += fDelta;
 	g_pEngineVars->m_fDeltaTime = fDelta;
 
-	g_pClientBridge->NetThink();
+#ifdef STEAM
-	while (g_pClientBridge->BHasUpdates())
+	if (g_pEngineConstants->m_bIsSteam && g_pEngineConstants->m_bIsDedicated)
 	{
-		NetPacket_t packet = g_pClientBridge->PeekPacket();
+		SteamGameServer_RunCallbacks();
-		// discard it
+		if (m_bIsConnectedToSteamRelay == 0 && SteamNetworkingUtils()->GetRelayNetworkStatus(NULL) == k_ESteamNetworkingAvailability_Current)
-		if (packet.uSize < sizeof (EMessageType))
-			continue;
-		PlayerPacket_t *pPacket = (PlayerPacket_t*)packet.pData;
-		CBaseEntity *pEntity; 
-		switch (pPacket->m_eType)
 		{
-		case MESSAGE_PLAYER_JOINED:
+			m_bIsConnectedToSteamRelay = 1;
-			g_pClientBridge->RecievePacket();
+			g_pPublicConnection = g_pEngineConstants->LaunchServer( FUNNY_SECURE_PORT );
-			V_printf("Hi %s\n",pPacket->m_playerJoined.m_szPlayerName);
+			g_pPublicConnection->SetCallback(NET_ServerCallback);
-			pEntity = EntitySystem()->CreateByClassname("player");
+			g_pCurrentConnection = g_pPublicConnection;
-			pEntity->Spawn();
+			return;
-			break;
+		}
-		default:
+	}
-			continue;
+#endif
+	if (g_pCurrentConnection)
+	{
+		g_pCurrentConnection->NetThink();
+		while (g_pCurrentConnection->BHasUpdates())
+			NET_ProcessPacket(g_pCurrentConnection);
+	}
+
+	float fTickRate = 1.0/60.0;
+
+	m_fNetUpdateTimer += fDelta;
+	while (m_fNetUpdateTimer >= fTickRate)
+	{
+		m_fNetUpdateTimer-=fTickRate;
+		EntitySystem()->Think();
+		if (g_pCurrentConnection)
+		{
+			EntitySystem()->NetThink(g_pCurrentConnection);
 		}
 	}
 
-	EntitySystem()->Think();
 
 }
 

game/server/milmoba/player.cpp

@@ -10,8 +10,10 @@ void CMOBAPlayer::Spawn()
 
 void CMOBAPlayer::Think( float fDelta )
 {
-	m_fTimer = g_pEngineVars->m_fTime;
+	m_fTimer += 1.0/60.0;
-	SetAbsOrigin({m_fTimer,0,0});
+	SetAbsOrigin({m_fTimer, 0, 0});
+	SetAbsAngles(glm_rad(90), m_fTimer, 0);
+	SetScale(1);
 };
 
 LINK_ENTITY_TO_CLASS(player, CMOBAPlayer)

game/shared/engine.h

@@ -22,5 +22,7 @@ extern IGameWindow *g_pMainWindow;
 extern EngineConsts_t *g_pEngineConstants;
 extern INetworkBase *g_pServerBridge;
 extern INetworkBase *g_pClientBridge;
+extern INetworkBase *g_pPublicConnection;
+extern INetworkBase *g_pCurrentConnection;
 
 #endif

game/shared/game.h

@@ -14,4 +14,8 @@ public:
 };
 
 extern CEngineVars *g_pEngineVars;
+
+#define FUNNY_SECURE_PORT 27015
+#define FUNNY_QUERY_PORT 27016
+
 #endif

public/networkbase.h

@@ -3,18 +3,45 @@
 #define NETWORK_BASE_H
 #include "tier1/interface.h"
 
+enum EPacketArrival
+{
+	PACKET_MAY_ARRIVE,
+	PACKET_MUST_ARRIVE
+};
+
 struct NetPacket_t
 {
 	void *pData;
 	uint32_t uSize;
+	uint64_t m_uOwner;
+	EPacketArrival m_eArrival;
 };
 
+enum ENetCallbackType
+{
+	NET_NONE = 0,
+	NET_TRYING_TO_CONNECT,
+	NET_CONNECTED,
+	NET_DISCONNECTED,
+	
+	NET_SERVER_READY_TO_USE,
+};
+
+struct NetCallback_t
+{
+	ENetCallbackType m_eType;
+	uint64_t m_ullUserID;
+};
+
+typedef uint32_t (*NetCallbackFn)( NetCallback_t *pUser );
+
 abstract_class INetworkBase
 {
 public:
 	virtual ~INetworkBase() = default;
 
 	virtual void NetThink() = 0;
+	virtual void SetCallback( NetCallbackFn fnCallback ) = 0;
 
 	virtual uint32_t BHasUpdates() = 0;
 	virtual NetPacket_t RecievePacket() = 0;
@@ -22,9 +49,13 @@ public:
 
 	virtual void SendPacket( NetPacket_t stPacket ) = 0;
 
+	virtual bool BIsActive() = 0;
+
 	virtual uint64_t GetSteamID() = 0;
 	virtual const char *GetIP() = 0;
 	virtual uint16_t GetPort() = 0;
 };
 
+#define GAME_PORT
+
 #endif