add some missing IPC HLE data to savestates

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE.cpp

@@ -575,3 +575,12 @@ void UpdateDevices()
 
 
 } // end of namespace WII_IPC_HLE_Interface
+
+// TODO: create WII_IPC_HLE_Device.cpp ?
+void IWII_IPC_HLE_Device::DoStateShared(PointerWrap& p)
+{
+	p.Do(m_Name);
+	p.Do(m_DeviceID);
+	p.Do(m_Hardware);
+	p.Do(m_Active);
+}

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device.h

@@ -62,7 +62,9 @@ public:
 
 	virtual ~IWII_IPC_HLE_Device() { }
 
-	virtual void DoState(PointerWrap&) { }
+	virtual void DoState(PointerWrap& p) { DoStateShared(p); }
+	
+	void DoStateShared(PointerWrap& p);
 
 	const std::string& GetDeviceName() const { return m_Name; }
     u32 GetDeviceID() const { return m_DeviceID; }

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp

@@ -363,7 +363,30 @@ bool CWII_IPC_HLE_Device_FileIO::IOCtl(u32 _CommandAddress)
 
 void CWII_IPC_HLE_Device_FileIO::DoState(PointerWrap &p)
 {
+	DoStateShared(p);
+
+	bool have_file_handle = (m_pFileHandle != 0);
+	s32 seek = (have_file_handle) ? (s32)m_pFileHandle.Tell() : 0;
+
+	p.Do(have_file_handle);
 	p.Do(m_Mode);
-	p.Do(m_SeekPos);
+	p.Do(seek);
-	p.Do(m_Filename);
+
+	if (p.GetMode() == PointerWrap::MODE_READ)
+	{
+		int mode = m_Mode;
+		bool active = m_Active;
+		if (have_file_handle)
+		{
+			Open(0, m_Mode);
+			_dbg_assert_msg_(WII_IPC_HLE, m_pFileHandle, "bad filehandle");
+		}
+		else
+			Close(0, true);
+		m_Mode = mode;
+		m_Active = active;
+	}
+
+	if (have_file_handle)
+		m_pFileHandle.Seek(seek, SEEK_SET);
 }

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_fs.cpp

@@ -501,6 +501,8 @@ s32 CWII_IPC_HLE_Device_fs::ExecuteCommand(u32 _Parameter, u32 _BufferIn, u32 _B
 
 void CWII_IPC_HLE_Device_fs::DoState(PointerWrap& p)
 {
+	DoStateShared(p);
+
 	// handle /tmp
 
 	std::string Path = File::GetUserPath(D_WIIUSER_IDX) + "tmp";

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_usb.cpp

@@ -186,6 +186,8 @@ void CWII_IPC_HLE_Device_usb_oh1_57e_305::DoState(PointerWrap &p)
 				m_WiiMotes.pop_back();
 		p.DoMarker("m_WiiMotes");
 	}
+
+	DoStateShared(p);
 }
 
 bool CWII_IPC_HLE_Device_usb_oh1_57e_305::RemoteDisconnect(u16 _connectionHandle)