//-------------------------------------------------------------------//
JoyStickInfoList LinuxJoyStick::_scanJoys()
{
JoyStickInfoList joys;
//Search through all of the event devices.. and identify which ones are joysticks
//xxx move this to InputManager, as it can also scan all other events
for(int i = 0; i < OIS_MAX_DEVICES; ++i )
{
std::stringstream s;
s << "/dev/input/event" << i;
int fd = open( s.str().c_str(), O_RDONLY |O_NONBLOCK );
try
{
JoyStickInfo js;
if( EventUtils::isJoyStick(fd, js) )
joys.push_back(js);
else
close(fd);
}
catch(...)
{
close(fd);
break;
}
}
return joys;
}
//-------------------------------------------------------------------//
JoyStickInfoList LinuxJoyStick::_scanJoys()
{
JoyStickInfoList joys;
//Search through all of the event devices.. and identify which ones are joysticks
//xxx move this to InputManager, as it can also scan all other events
for(int i = 0; i < 64; ++i )
{
stringstream s;
s << "/dev/input/event" << i;
int fd = open( s.str().c_str(), O_RDWR |O_NONBLOCK );
if(fd == -1)
continue;
#ifdef OIS_LINUX_JOY_DEBUG
cout << "Opening " << s.str() << "..." << endl;
#endif
try
{
JoyStickInfo js;
if( EventUtils::isJoyStick(fd, js) )
{
joys.push_back(js);
#ifdef OIS_LINUX_JOY_DEBUG
cout << "=> Joystick added to list." << endl;
#endif
}
else
{
#ifdef OIS_LINUX_JOY_DEBUG
cout << "=> Not a joystick." << endl;
#endif
close(fd);
}
}
catch(...)
{
#ifdef OIS_LINUX_JOY_DEBUG
cout << "Exception caught!!" << endl;
#endif
close(fd);
}
}
return joys;
}
//--------------------------------------------------------------------------------------------------//
void Win32JoyStick::CheckXInputDevices(JoyStickInfoList &joys)
{
IWbemLocator* pIWbemLocator = NULL;
IEnumWbemClassObject* pEnumDevices = NULL;
IWbemClassObject* pDevices[20] = {0};
IWbemServices* pIWbemServices = NULL;
BSTR bstrNamespace = NULL;
BSTR bstrDeviceID = NULL;
BSTR bstrClassName = NULL;
DWORD uReturned = 0;
bool bIsXinputDevice= false;
DWORD iDevice = 0;
int xDevice = 0;
VARIANT var;
HRESULT hr;
if(joys.size() == 0)
return;
// CoInit if needed
hr = CoInitialize(NULL);
bool bCleanupCOM = SUCCEEDED(hr);
// Create WMI
hr = CoCreateInstance(__uuidof(WbemLocator), NULL, CLSCTX_INPROC_SERVER, __uuidof(IWbemLocator), (LPVOID*)&pIWbemLocator);
if( FAILED(hr) || pIWbemLocator == NULL )
goto LCleanup;
bstrNamespace = SysAllocString( L"\\\\.\\root\\cimv2" );
if( bstrNamespace == NULL )
goto LCleanup;
bstrClassName = SysAllocString( L"Win32_PNPEntity" );
if( bstrClassName == NULL )
goto LCleanup;
bstrDeviceID = SysAllocString( L"DeviceID" );
if( bstrDeviceID == NULL )
goto LCleanup;
// Connect to WMI
hr = pIWbemLocator->ConnectServer( bstrNamespace, NULL, NULL, 0L, 0L, NULL, NULL, &pIWbemServices );
if( FAILED(hr) || pIWbemServices == NULL )
goto LCleanup;
// Switch security level to IMPERSONATE.
CoSetProxyBlanket(pIWbemServices, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE );
hr = pIWbemServices->CreateInstanceEnum( bstrClassName, 0, NULL, &pEnumDevices );
if( FAILED(hr) || pEnumDevices == NULL )
goto LCleanup;
// Loop over all devices
for( ;; )
{
// Get 20 at a time
hr = pEnumDevices->Next(5000, 20, pDevices, &uReturned);
if( FAILED(hr) )
goto LCleanup;
if( uReturned == 0 )
break;
for(iDevice = 0; iDevice < uReturned; iDevice++)
{
// For each device, get its device ID
hr = pDevices[iDevice]->Get(bstrDeviceID, 0L, &var, NULL, NULL);
if(SUCCEEDED(hr) && var.vt == VT_BSTR && var.bstrVal != NULL)
{
// Check if the device ID contains "IG_". If it does, then it's an XInput device - This information can not be found from DirectInput
if(wcsstr(var.bstrVal, L"IG_"))
{
// If it does, then get the VID/PID from var.bstrVal
DWORD dwPid = 0, dwVid = 0;
WCHAR* strVid = wcsstr( var.bstrVal, L"VID_" );
if(strVid && swscanf_s( strVid, L"VID_%4X", &dwVid ) != 1)
dwVid = 0;
WCHAR* strPid = wcsstr( var.bstrVal, L"PID_" );
if(strPid && swscanf_s( strPid, L"PID_%4X", &dwPid ) != 1)
dwPid = 0;
// Compare the VID/PID to the DInput device
DWORD dwVidPid = MAKELONG(dwVid, dwPid);
for(JoyStickInfoList::iterator i = joys.begin(); i != joys.end(); ++i)
{
if(dwVidPid == i->productGuid.Data1)
{
i->isXInput = true;
i->xInputDev = xDevice;
}
}
if(joys.size() == 0)
goto LCleanup;
}
}
SAFE_RELEASE(pDevices[iDevice]);
}
}
LCleanup:
if(bstrNamespace)
SysFreeString(bstrNamespace);
if(bstrDeviceID)
SysFreeString(bstrDeviceID);
if(bstrClassName)
SysFreeString(bstrClassName);
for(iDevice=0; iDevice < 20; iDevice++)
SAFE_RELEASE(pDevices[iDevice]);
SAFE_RELEASE(pEnumDevices);
SAFE_RELEASE(pIWbemLocator);
SAFE_RELEASE(pIWbemServices);
if(bCleanupCOM)
CoUninitialize();
}
//-------------------------------------------------------------------//
void LinuxJoyStick::_clearJoys(JoyStickInfoList &joys)
{
for(JoyStickInfoList::iterator i = joys.begin(); i != joys.end(); ++i)
close(i->joyFileD);
joys.clear();
}
