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dolphin/Source/Plugins/Plugin_GCPadNew/Src/ControllerInterface/DirectInput/DirectInputJoystick.cpp

508 lines
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C++
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#include "../ControllerInterface.h"
#ifdef CIFACE_USE_DIRECTINPUT_JOYSTICK
#include "DirectInputJoystick.h"
namespace ciface
{
namespace DirectInput
{
#ifdef NO_DUPLICATE_DINPUT_XINPUT
//-----------------------------------------------------------------------------
// Modified some MSDN code to get all the XInput device GUID.Data1 values in a vector,
// faster than checking all the devices for each DirectInput device, like MSDN says to do
//-----------------------------------------------------------------------------
void GetXInputGUIDS( std::vector<DWORD>& guids )
{
#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
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;
VARIANT var;
HRESULT hr;
// 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
while( true )
{
// Get 20 at a time
hr = pEnumDevices->Next( 10000, 20, pDevices, &uReturned );
if( FAILED(hr) || uReturned == 0 )
break;
for( UINT 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( strVid, L"VID_%4X", &dwVid ) != 1 )
dwVid = 0;
WCHAR* strPid = wcsstr( var.bstrVal, L"PID_" );
if( strPid && swscanf( strPid, L"PID_%4X", &dwPid ) != 1 )
dwPid = 0;
// Compare the VID/PID to the DInput device
DWORD dwVidPid = MAKELONG( dwVid, dwPid );
guids.push_back( dwVidPid );
//bIsXinputDevice = true;
}
}
SAFE_RELEASE( pDevices[iDevice] );
}
}
LCleanup:
if(bstrNamespace)
SysFreeString(bstrNamespace);
if(bstrDeviceID)
SysFreeString(bstrDeviceID);
if(bstrClassName)
SysFreeString(bstrClassName);
for( UINT iDevice=0; iDevice<20; iDevice++ )
SAFE_RELEASE( pDevices[iDevice] );
SAFE_RELEASE( pEnumDevices );
SAFE_RELEASE( pIWbemLocator );
SAFE_RELEASE( pIWbemServices );
if( bCleanupCOM )
CoUninitialize();
}
#endif
std::string TStringToString( const std::basic_string<TCHAR>& in )
{
const int size = WideCharToMultiByte( CP_UTF8, 0, in.data(), int(in.length()), NULL, 0, NULL, NULL );
if ( 0 == size )
return "";
char* const data = new char[size];
WideCharToMultiByte( CP_UTF8, 0, in.data(), int(in.length()), data, size, NULL, NULL );
const std::string out( data, size );
delete[] data;
return out;
}
//BOOL CALLBACK DIEnumEffectsCallback( LPCDIEFFECTINFO pdei, LPVOID pvRef )
//{
// ((std::vector<DIEFFECTINFO>*)pvRef)->push_back( *pdei );
// return DIENUM_CONTINUE;
//}
BOOL CALLBACK DIEnumDeviceObjectsCallback( LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef )
{
((std::vector<DIDEVICEOBJECTINSTANCE>*)pvRef)->push_back( *lpddoi );
return DIENUM_CONTINUE;
}
BOOL CALLBACK DIEnumDevicesCallback( LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef )
{
((std::vector<DIDEVICEINSTANCE>*)pvRef)->push_back( *lpddi );
return DIENUM_CONTINUE;
}
void InitJoystick( IDirectInput8* const idi8, std::vector<ControllerInterface::Device*>& devices/*, HWND hwnd*/ )
{
std::vector<DIDEVICEINSTANCE> joysticks;
idi8->EnumDevices( DI8DEVCLASS_GAMECTRL, DIEnumDevicesCallback, (LPVOID)&joysticks, DIEDFL_ATTACHEDONLY );
// just a struct with an int that is set to ZERO by default
struct ZeroedInt{ZeroedInt():value(0){}unsigned int value;};
// this is used to number the joysticks
// multiple joysticks with the same name shall get unique ids starting at 0
std::map< std::basic_string<TCHAR>, ZeroedInt > name_counts;
#ifdef NO_DUPLICATE_DINPUT_XINPUT
std::vector<DWORD> xinput_guids;
GetXInputGUIDS( xinput_guids );
#endif
std::vector<DIDEVICEINSTANCE>::iterator i = joysticks.begin(),
e = joysticks.end();
for ( ; i!=e; ++i )
{
#ifdef NO_DUPLICATE_DINPUT_XINPUT
// skip XInput Devices
if ( std::find( xinput_guids.begin(), xinput_guids.end(), i->guidProduct.Data1 ) != xinput_guids.end() )
continue;
#endif
// TODO: this has potential to mess up on createdev or setdatafmt failure
LPDIRECTINPUTDEVICE8 js_device;
if ( DI_OK == idi8->CreateDevice( i->guidInstance, &js_device, NULL ) )
if ( DI_OK == js_device->SetDataFormat( &c_dfDIJoystick ) )
// using foregroundwindow seems like a hack
if ( DI_OK != js_device->SetCooperativeLevel( GetForegroundWindow(), DISCL_BACKGROUND | DISCL_EXCLUSIVE ) )
{
// fall back to non-exclusive mode, with no rumble
if ( DI_OK != js_device->SetCooperativeLevel( NULL, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE ) )
{
js_device->Release();
continue;
}
}
if ( DI_OK == js_device->Acquire() )
{
Joystick* js = new Joystick( /*&*i, */js_device, name_counts[i->tszInstanceName].value++ );
// only add if it has some inputs/outpus
if ( js->Inputs().size() || js->Outputs().size() )
devices.push_back( js );
else
delete js;
}
else
js_device->Release();
}
}
Joystick::Joystick( /*const LPCDIDEVICEINSTANCE lpddi, */const LPDIRECTINPUTDEVICE8 device, const unsigned int index )
: m_device(device)
, m_index(index)
//, m_name(TStringToString(lpddi->tszInstanceName))
{
// get joystick caps
DIDEVCAPS js_caps;
ZeroMemory( &js_caps, sizeof(js_caps) );
js_caps.dwSize = sizeof(js_caps);
m_device->GetCapabilities(&js_caps);
// max of 32 buttons and 4 hats / the limit of the data format i am using
js_caps.dwButtons = std::min((DWORD)32, js_caps.dwButtons);
js_caps.dwPOVs = std::min((DWORD)4, js_caps.dwPOVs);
m_must_poll = ( ( js_caps.dwFlags & DIDC_POLLEDDATAFORMAT ) > 0 );
// buttons
for ( unsigned int i = 0; i < js_caps.dwButtons; ++i )
inputs.push_back( new Button( i ) );
// hats
for ( unsigned int i = 0; i < js_caps.dwPOVs; ++i )
{
// each hat gets 4 input instances associated with it, (up down left right)
for ( unsigned int d = 0; d<4; ++d )
inputs.push_back( new Hat( i, d ) );
}
// get up to 6 axes and 2 sliders
std::vector<DIDEVICEOBJECTINSTANCE> axes;
unsigned int cur_slider = 0;
m_device->EnumObjects( DIEnumDeviceObjectsCallback, (LPVOID)&axes, DIDFT_AXIS );
// going in reverse leaves the list more organized in the end for me :/
std::vector<DIDEVICEOBJECTINSTANCE>::const_reverse_iterator i = axes.rbegin(),
e = axes.rend();
for( ; i!=e; ++i )
{
DIPROPRANGE range;
ZeroMemory( &range, sizeof(range ) );
range.diph.dwSize = sizeof(range);
range.diph.dwHeaderSize = sizeof(range.diph);
range.diph.dwHow = DIPH_BYID;
range.diph.dwObj = i->dwType;
// try to set some nice power of 2 values (8192)
range.lMin = -(1<<13);
range.lMax = (1<<13);
// but i guess not all devices support setting range
m_device->SetProperty( DIPROP_RANGE, &range.diph );
// so i getproperty right afterward incase it didn't set :P
if ( DI_OK == m_device->GetProperty( DIPROP_RANGE, &range.diph ) )
{
int offset = -1;
const GUID type = i->guidType;
// figure out which axis this is
if ( type == GUID_XAxis )
offset = 0;
else if ( type == GUID_YAxis )
offset = 1;
else if ( type == GUID_ZAxis )
offset = 2;
else if ( type == GUID_RxAxis )
offset = 3;
else if ( type == GUID_RyAxis )
offset = 4;
else if ( type == GUID_RzAxis )
offset = 5;
else if ( type == GUID_Slider )
if ( cur_slider < 2 )
offset = 6 + cur_slider++;
if ( offset >= 0 )
{
const LONG base = (range.lMin + range.lMax) / 2;
// each axis gets a negative and a positive input instance associated with it
inputs.push_back( new Axis( offset, base, range.lMin-base ) );
inputs.push_back( new Axis( offset, base, range.lMax-base ) );
}
}
}
// get supported ff effects
std::vector<DIDEVICEOBJECTINSTANCE> objects;
m_device->EnumObjects( DIEnumDeviceObjectsCallback, (LPVOID)&objects, DIDFT_AXIS );
// got some ff axes or something
if ( objects.size() )
{
// temporary
DWORD rgdwAxes[] = { DIJOFS_X, DIJOFS_Y };
LONG rglDirection[] = { 0, 0 };
DICONSTANTFORCE cf = { 0 };
DIEFFECT eff;
ZeroMemory( &eff, sizeof( DIEFFECT ) );
eff.dwSize = sizeof( DIEFFECT );
eff.dwFlags = DIEFF_CARTESIAN | DIEFF_OBJECTOFFSETS;
eff.dwDuration = INFINITE;
eff.dwGain = DI_FFNOMINALMAX;
eff.dwTriggerButton = DIEB_NOTRIGGER;
eff.cAxes = std::min( (DWORD)2, (DWORD)objects.size() );
eff.rgdwAxes = rgdwAxes;
eff.rglDirection = rglDirection;
eff.cbTypeSpecificParams = sizeof( DICONSTANTFORCE );
eff.lpvTypeSpecificParams = &cf;
LPDIRECTINPUTEFFECT pEffect;
if ( DI_OK == m_device->CreateEffect( GUID_ConstantForce, &eff, &pEffect, NULL ) )
{
// temp
outputs.push_back( new Force( 0 ) );
m_state_out.push_back( EffectState( pEffect ) );
}
}
// disable autocentering
if ( outputs.size() )
{
DIPROPDWORD dipdw;
dipdw.diph.dwSize = sizeof( DIPROPDWORD );
dipdw.diph.dwHeaderSize = sizeof( DIPROPHEADER );
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = FALSE;
m_device->SetProperty( DIPROP_AUTOCENTER, &dipdw.diph );
}
ClearInputState();
}
Joystick::~Joystick()
{
// release the ff effect iface's
std::vector<EffectState>::iterator i = m_state_out.begin(),
e = m_state_out.end();
for ( ; i!=e; ++i )
{
i->iface->Stop();
i->iface->Unload();
i->iface->Release();
}
m_device->Unacquire();
m_device->Release();
}
void Joystick::ClearInputState()
{
ZeroMemory(&m_state_in, sizeof(m_state_in));
// set hats to center
memset( m_state_in.rgdwPOV, 0xFF, sizeof(m_state_in.rgdwPOV) );
}
std::string Joystick::GetName() const
{
DIPROPSTRING str;
ZeroMemory( &str, sizeof(str) );
str.diph.dwSize = sizeof(str);
str.diph.dwHeaderSize = sizeof(str.diph);
str.diph.dwHow = DIPH_DEVICE;
m_device->GetProperty( DIPROP_PRODUCTNAME, &str.diph );
return TStringToString( str.wsz );
//return m_name;
}
int Joystick::GetId() const
{
return m_index;
}
std::string Joystick::GetSource() const
{
return "DirectInput";
}
// update IO
bool Joystick::UpdateInput()
{
if ( m_must_poll )
if ( DI_OK != m_device->Poll() )
return false;
return ( DI_OK == m_device->GetDeviceState( sizeof(m_state_in), &m_state_in ) );
}
bool Joystick::UpdateOutput()
{
// temporary
size_t ok_count = 0;
std::vector<EffectState>::iterator i = m_state_out.begin(),
e = m_state_out.end();
for ( ; i!=e; ++i )
{
if ( i->changed )
{
i->changed = false;
DICONSTANTFORCE cf;
cf.lMagnitude = LONG(10000 * i->magnitude);
if ( cf.lMagnitude )
{
DIEFFECT eff;
ZeroMemory( &eff, sizeof( eff ) );
eff.dwSize = sizeof( DIEFFECT );
eff.dwFlags = DIEFF_CARTESIAN | DIEFF_OBJECTOFFSETS;
eff.cbTypeSpecificParams = sizeof( cf );
eff.lpvTypeSpecificParams = &cf;
// set params and start effect
ok_count += ( DI_OK == i->iface->SetParameters( &eff, DIEP_TYPESPECIFICPARAMS | DIEP_START ) );
}
else
ok_count += ( DI_OK == i->iface->Stop() );
}
else
++ok_count;
}
return ( m_state_out.size() == ok_count );
}
// get name
std::string Joystick::Button::GetName() const
{
std::ostringstream ss;
ss << "Button " << m_index;
return ss.str();
}
std::string Joystick::Axis::GetName() const
{
std::ostringstream ss;
// axis
if ( m_index < 6 )
{
ss << "Axis " << "XYZ"[m_index%3];
if ( m_index > 2 )
ss << 'r';
}
// slider
else
ss << "Slider " << m_index-6;
ss << ( m_range>0 ? '+' : '-' );
return ss.str();
}
std::string Joystick::Hat::GetName() const
{
std::ostringstream ss;
ss << "Hat " << m_index << ' ' << "NESW"[m_direction];
return ss.str();
}
std::string Joystick::Force::GetName() const
{
// temporary
return "Constant";
}
// get / set state
ControlState Joystick::GetInputState( const ControllerInterface::Device::Input* const input )
{
return ((Input*)input)->GetState( &m_state_in );
}
void Joystick::SetOutputState( const ControllerInterface::Device::Output* const output, const ControlState state )
{
((Output*)output)->SetState( state, &m_state_out[0] );
}
// get / set state
ControlState Joystick::Axis::GetState( const DIJOYSTATE* const joystate )
{
return std::max( 0.0f, ControlState((&joystate->lX)[m_index]-m_base) / m_range );
}
ControlState Joystick::Button::GetState( const DIJOYSTATE* const joystate )
{
return ControlState( joystate->rgbButtons[m_index] > 0 );
}
ControlState Joystick::Hat::GetState( const DIJOYSTATE* const joystate )
{
// can this func be simplified ?
const DWORD val = joystate->rgdwPOV[m_index];
// hat centered code from msdn
if ( 0xFFFF == LOWORD(val) )
return 0;
return ( abs( (int)(val/4500-m_direction*2+8)%8 - 4) > 2 );
}
void Joystick::Force::SetState( const ControlState state, Joystick::EffectState* const joystate )
{
joystate[m_index].magnitude = state;
joystate[m_index].changed = true;
}
}
}
#endif
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