Add Left 4 Dead support

Spectator client connections aren't tested yet - don't have the game installed.
2016-12-04 21:05:06 -07:00 · 2016-12-04 21:05:06 -07:00 · e622428037
commit e622428037
parent cab2bc24ac
6 changed files with 200 additions and 2 deletions
--- a/2
+++ b/2
@ -31,7 +31,7 @@ else:

 project.sources += sourceFiles
  
-for sdk_name in ['css', 'tf2', 'dods', 'hl2dm', 'csgo']:
+for sdk_name in ['css', 'tf2', 'dods', 'hl2dm', 'csgo', 'l4d']:
  if sdk_name not in Extension.sdks:
    continue
  sdk = Extension.sdks[sdk_name]
--- a/forwards.cpp
+++ b/forwards.cpp
@ -54,6 +54,14 @@ SH_DECL_HOOK1_void(IClient, Disconnect, SH_NOATTRIB, 0, const char *);
 SH_DECL_MANUALHOOK1_void(CBaseClient_Disconnect, 0, 0, 0, const char *);
 #endif // !WIN32

+#elif SOURCE_ENGINE == SE_LEFT4DEAD
+SH_DECL_MANUALHOOK10(CHLTVServer_ConnectClient, 0, 0, 0, IClient *, const netadr_t &, int, int, int, const char *, const char *, const char *, int, CUtlVector<CLC_SplitPlayerConnect *> &, bool);
+SH_DECL_MANUALHOOK1_void_vafmt(CHLTVServer_RejectConnection, 0, 0, 0, const netadr_t &);
+SH_DECL_HOOK0_void_vafmt(IClient, Disconnect, SH_NOATTRIB, 0);
+#ifndef WIN32
+SH_DECL_MANUALHOOK0_void_vafmt(CBaseClient_Disconnect, 0, 0, 0);
+#endif // !WIN32
+
 #else
 SH_DECL_MANUALHOOK9(CHLTVServer_ConnectClient, 0, 0, 0, IClient *, netadr_t &, int, int, int, int, const char *, const char *, const char *, int);
 SH_DECL_MANUALHOOK3_void(CHLTVServer_RejectConnection, 0, 0, 0, const netadr_t &, int, const char *);
@ -288,6 +296,8 @@ char passwordBuffer[255];
 #if SOURCE_ENGINE == SE_CSGO
 // CHLTVServer::ConnectClient(ns_address const&, int, int, int, char const*, char const*, char const*, int, CUtlVector<CNetMessagePB<16, CCLCMsg_SplitPlayerConnect, 0, true> *, CUtlMemory<CNetMessagePB<16, CCLCMsg_SplitPlayerConnect, 0, true> *, int>> &, bool, CrossPlayPlatform_t, unsigned char const*, int)
 IClient *CForwardManager::OnSpectatorConnect(const netadr_t & address, int nProtocol, int iChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie, CUtlVector<NetMsg_SplitPlayerConnect *> &pSplitPlayerConnectVector, bool bUnknown, CrossPlayPlatform_t platform, const unsigned char *pUnknown, int iUnknown)
+#elif SOURCE_ENGINE == SE_LEFT4DEAD
+IClient *CForwardManager::OnSpectatorConnect(const netadr_t & address, int nProtocol, int iChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie, CUtlVector<CLC_SplitPlayerConnect *> &pSplitPlayerConnectVector, bool bUnknown)
 #else
 IClient *CForwardManager::OnSpectatorConnect(netadr_t & address, int nProtocol, int iChallenge, int iClientChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie)
 #endif
@ -324,7 +334,7 @@ IClient *CForwardManager::OnSpectatorConnect(netadr_t & address, int nProtocol,
 	{
 		if (m_bHasRejectConnectionOffset)
 		{
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_LEFT4DEAD
 			SH_MCALL(server, CHLTVServer_RejectConnection)(address, rejectReason);
 #else
 			SH_MCALL(server, CHLTVServer_RejectConnection)(address, iClientChallenge, rejectReason);
@ -336,6 +346,8 @@ IClient *CForwardManager::OnSpectatorConnect(netadr_t & address, int nProtocol,
 	// Call the original function.
 #if SOURCE_ENGINE == SE_CSGO
 	IClient *client = SH_MCALL(server, CHLTVServer_ConnectClient)(address, nProtocol, iChallenge, nAuthProtocol, pchName, passwordBuffer, pCookie, cbCookie, pSplitPlayerConnectVector, bUnknown, platform, pUnknown, iUnknown);
+#elif SOURCE_ENGINE == SE_LEFT4DEAD
+	IClient *client = SH_MCALL(server, CHLTVServer_ConnectClient)(address, nProtocol, iChallenge, nAuthProtocol, pchName, passwordBuffer, pCookie, cbCookie, pSplitPlayerConnectVector, bUnknown);
 #else
 	IClient *client = SH_MCALL(server, CHLTVServer_ConnectClient)(address, nProtocol, iChallenge, iClientChallenge, nAuthProtocol, pchName, passwordBuffer, pCookie, cbCookie);
 #endif
--- a/forwards.h
+++ b/forwards.h
@ -99,6 +99,9 @@ private:
 #if SOURCE_ENGINE == SE_CSGO
 	void OnStopRecording(CGameInfo const *info);
 	IClient *OnSpectatorConnect(const netadr_t & address, int nProtocol, int iChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie, CUtlVector<NetMsg_SplitPlayerConnect *> &pSplitPlayerConnectVector, bool bUnknown, CrossPlayPlatform_t platform, const unsigned char *pUnknown, int iUnknown);
+#elif SOURCE_ENGINE == SE_LEFT4DEAD
+	void OnStopRecording();
+	IClient *OnSpectatorConnect(const netadr_t & address, int nProtocol, int iChallenge, int iClientChallenge, const char * pchName, const char * pchPassword, const char * pCookie, int, CUtlVector<CLC_SplitPlayerConnect *> &pSplitPlayerConnectVector, bool bUnknown);
 #else
 	void OnStopRecording();
 	IClient *OnSpectatorConnect(netadr_t &address, int nProtocol, int iChallenge, int iClientChallenge, int nAuthProtocol, const char *pchName, const char *pchPassword, const char *pCookie, int cbCookie);
--- a/hltvserverwrapper.cpp
+++ b/hltvserverwrapper.cpp
@ -254,7 +254,12 @@ void HLTVServerWrapper::OnCGameClient_ClientPrintf_Post(const char* buf)
 	IClient *pClient = (IClient *)((intptr_t)pGameClient + 4);
 	HandleClientPrintf(pClient, buf);

+#if SOURCE_ENGINE == SE_LEFT4DEAD
+	// Left4Dead doesn't check the netchan before using it
+	RETURN_META(MRES_SUPERCEDE);
+#else
 	RETURN_META(MRES_IGNORED);
+#endif
 }

 void HLTVServerWrapper::OnIClient_ClientPrintf_Post(const char* buf)
@ -262,7 +267,12 @@ void HLTVServerWrapper::OnIClient_ClientPrintf_Post(const char* buf)
 	IClient *pClient = META_IFACEPTR(IClient);
 	HandleClientPrintf(pClient, buf);

+#if SOURCE_ENGINE == SE_LEFT4DEAD
+	// Left4Dead doesn't check the netchan before using it
+	RETURN_META(MRES_SUPERCEDE);
+#else
 	RETURN_META(MRES_IGNORED);
+#endif
 }

 void HLTVServerWrapper::HandleClientPrintf(IClient *pClient, const char* buf)
--- a/ihltvdemorecorder.h
+++ b/ihltvdemorecorder.h
@ -26,6 +26,9 @@ public:
 	virtual void	RecordPacket(void) = 0;
 	virtual void	RecordServerClasses(ServerClass *pClasses) = 0;
 	virtual void	RecordStringTables(void) = 0;
+#if SOURCE_ENGINE == SE_LEFT4DEAD
+	virtual void	RecordCustomData(int, void const *, unsigned int) = 0;
+#endif

 	virtual void	ResetDemoInterpolation(void) = 0;
 };
--- a/sourcetvmanager.games.txt
+++ b/sourcetvmanager.games.txt
@ -336,4 +336,174 @@
 			}
 		}
 	}
+	
+	"left4dead"
+	{
+		"Addresses"
+		{
+			"host_client"
+			{
+				"windows"
+				{
+					"signature"	"host_client"
+					"read" "43"
+				}
+				"linux"
+				{
+					"signature" "host_client"
+				}
+			}
+			
+			"CHLTVServer::m_DemoRecorder"
+			{
+				"windows"
+				{
+					"signature"	"CHLTVServer::Shutdown"
+					"read"	"5"
+				}
+				"linux"
+				{
+					"signature"	"CHLTVServer::Shutdown"
+					"read"	"22"
+				}
+			}
+		}
+		"Offsets"
+		{
+			"CNetChan::SendNetMsg"
+			{
+				"windows"	"41"
+				"linux"	"42"
+			}
+			
+			"CBaseClient::m_NetChannel"
+			{
+				"windows"	"224"
+				"linux"	"228"
+			}
+			
+			"CGameClient::ClientPrintf"
+			{
+				"linux"	"26"
+			}
+			
+			"CBaseServer::BroadcastPrintf"
+			{
+				"windows"	"34"
+				"linux"		"35"
+			}
+			
+			"CHLTVServer::ConnectClient"
+			{
+				"windows"	"48"
+				"linux"	"49"
+			}
+			
+			"CHLTVServer::RejectConnection"
+			{
+				"windows"	"46"
+				"linux"	"47"
+			}
+			
+			"CHLTVServer::GetChallengeType"
+			{
+				"windows"	"52"
+				"linux"	"53"
+			}
+			
+			"CBaseClient::ActivatePlayer"
+			{
+				"windows"	"15"
+				"linux"	"61"
+			}
+			
+			"CBaseClient::FireGameEvent"
+			{
+				"windows"	"1"
+				"linux"	"2"
+			}
+			
+			"CBaseClient::Disconnect"
+			{
+				"linux"	"15"
+			}
+			
+			"CHLTVServer::Shutdown"
+			{
+				"windows"	"40"
+				"linux"	"41"
+			}
+			
+			"CHLTVDirector::m_iPVSEntity"
+			{
+				"windows"	"16"
+				"linux"	"16"
+			}
+			
+			"CHLTVDirector::m_vPVSOrigin"
+			{
+				"windows"	"20"
+				"linux"	"20"
+			}
+			
+			"CHLTVDirector::m_nNextShotTick"
+			{
+				"windows"	"40"
+				"linux"	"40"
+			}
+			"CHLTVDemoRecorder_BaseOffset"
+			{
+				"windows"	"0"
+				"linux"	"4"
+			}
+		}
+		"Signatures"
+		{
+			"host_client"
+			{
+				"library"	"engine"
+				"linux"	"@host_client"
+				// ping(CCommand const&) "Client ping times:\n"
+				"windows" "\x55\x8B\xEC\x83\xE4\xC0\x83\xEC\x34\x83\x3D\x2A\x2A\x2A\x2A\x01"
+			}
+			
+			"CHLTVServer::BroadcastEventLocal"
+			{
+				"library"	"engine"
+				"linux"	"@_ZN11CHLTVServer19BroadcastEventLocalEP10IGameEventb"
+				// "SourceTV broadcast local event: %s\n"
+				"windows"	"\x81\xEC\x50\x04\x00\x00\x53\x55\x33\xDB"
+			}
+			
+			"CHLTVServer::BroadcastLocalChat"
+			{
+				"library"	"engine"
+				"linux"	"@_ZN11CHLTVServer18BroadcastLocalChatEPKcS1_"
+				// "hltv_chat"
+				"windows"	"\x81\xEC\x54\x04\x00\x00\x53\x55"
+			}
+			
+			"CHLTVServer::Shutdown"
+			{
+				"library"	"engine"
+				"linux"	"@_ZN11CHLTVServer8ShutdownEv"
+				// "SourceTV stop."
+				"windows"	"\x56\x8B\xF1\x8B\x86\x2A\x2A\x2A\x2A\x8B\x50\x2A\x8D\x8E\x2A\x2A\x2A\x2A\xFF\xD2\x8B\x86\x2A\x2A\x2A\x2A\x8B\x50\x2A\x8D\x8E"
+			}
+			
+			// StartRecording and StopRecording are virtual, but get called directly in the linux binary..
+			// Need to add a detour.
+			"CHLTVDemoRecorder::StartRecording"
+			{
+				"library"	"engine"
+				"linux"	"@_ZN17CHLTVDemoRecorder14StartRecordingEPKcb"
+			}
+			
+			"CHLTVDemoRecorder::StopRecording"
+			{
+				"library"	"engine"
+				"linux"	"@_ZN17CHLTVDemoRecorder13StopRecordingEv"
+			}
+		}
+	}
 }