actions/itgmania212121
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity
Files
b7f54a9fb057e063453fd2fbfcfa7bd21f61d027
itgmania212121/src/arch/InputHandler/InputHandler_DirectInput.cpp
T
Shenjoku b7f54a9fb0 Fixed another problem with a DirectInput function getting passed the wrong 
constant when enumerating the joysticks. This should hopefully fix the
remaining problems.
2013-05-29 19:02:16 -07:00

903 lines
25 KiB
C++
Raw Blame History

#include "global.h"
#include "InputHandler_DirectInput.h"
#include "RageUtil.h"
#include "RageLog.h"
#include "archutils/Win32/AppInstance.h"
#include "archutils/Win32/DirectXHelpers.h"
#include "archutils/Win32/ErrorStrings.h"
#include "archutils/Win32/GraphicsWindow.h"
#include "archutils/Win32/RegistryAccess.h"
#include "InputFilter.h"
#include "PrefsManager.h"
#include "Foreach.h"
#include "InputHandler_DirectInputHelper.h"
REGISTER_INPUT_HANDLER_CLASS2( DirectInput, DInput );
static vector<DIDevice> Devices;
// Number of joysticks found:
static int g_iNumJoysticks;
static BOOL CALLBACK EnumDevicesCallback( const DIDEVICEINSTANCE *pdidInstance, void *pContext )
{
DIDevice device;
switch( GET_DIDEVICE_TYPE(pdidInstance->dwDevType) )
{
case DI8DEVTYPE_JOYSTICK:
case DI8DEVTYPE_GAMEPAD:
{
device.type = device.JOYSTICK;
break;
}
case DI8DEVTYPE_KEYBOARD: device.type = device.KEYBOARD; break;
case DI8DEVTYPE_MOUSE: device.type = device.MOUSE; break;
default: return DIENUM_CONTINUE;
}
device.JoystickInst = *pdidInstance;
switch( device.type )
{
case device.JOYSTICK:
if( g_iNumJoysticks == NUM_JOYSTICKS )
return DIENUM_CONTINUE;
device.dev = enum_add2( DEVICE_JOY1, g_iNumJoysticks );
g_iNumJoysticks++;
break;
case device.KEYBOARD:
device.dev = DEVICE_KEYBOARD;
break;
case device.MOUSE:
device.dev = DEVICE_MOUSE;
break;
}
Devices.push_back(device);
return DIENUM_CONTINUE;
}
static void CheckForDirectInputDebugMode()
{
int iVal;
if( RegistryAccess::GetRegValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\DirectInput", "emulation", iVal) )
{
if( iVal & 0x8 )
LOG->Warn("DirectInput keyboard debug mode appears to be enabled. This reduces\n"
"input timing accuracy significantly. Disabling this is strongly recommended." );
}
}
static BOOL CALLBACK CountDevicesCallback( const DIDEVICEINSTANCE *pdidInstance, void *pContext )
{
(*(int*)pContext)++;
return DIENUM_CONTINUE;
}
static int GetNumHidDevices()
{
int i = 0;
RegistryAccess::GetRegValue( "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\HidUsb\\Enum", "Count", i, false ); // don't warn on error
return i;
}
static int GetNumJoysticksSlow()
{
int iCount = 0;
HRESULT hr = g_dinput->EnumDevices( DI8DEVCLASS_GAMECTRL, CountDevicesCallback, &iCount, DIEDFL_ATTACHEDONLY );
if( hr != DI_OK )
{
LOG->Warn( hr_ssprintf(hr, "g_dinput->EnumDevices") );
}
return iCount;
}
InputHandler_DInput::InputHandler_DInput()
{
LOG->Trace( "InputHandler_DInput::InputHandler_DInput()" );
CheckForDirectInputDebugMode();
m_bShutdown = false;
g_iNumJoysticks = 0;
AppInstance inst;
HRESULT hr = DirectInput8Create(inst.Get(), DIRECTINPUT_VERSION, IID_IDirectInput8, (LPVOID *) &g_dinput, NULL);
if( hr != DI_OK )
RageException::Throw( hr_ssprintf(hr, "InputHandler_DInput: DirectInputCreate") );
LOG->Trace( "InputHandler_DInput: IDirectInput::EnumDevices(DIDEVTYPE_KEYBOARD)" );
hr = g_dinput->EnumDevices( DI8DEVCLASS_KEYBOARD, EnumDevicesCallback, NULL, DIEDFL_ATTACHEDONLY );
if( hr != DI_OK )
RageException::Throw( hr_ssprintf(hr, "InputHandler_DInput: IDirectInput::EnumDevices") );
LOG->Trace( "InputHandler_DInput: IDirectInput::EnumDevices(DIDEVTYPE_JOYSTICK)" );
hr = g_dinput->EnumDevices( DI8DEVCLASS_GAMECTRL, EnumDevicesCallback, NULL, DIEDFL_ATTACHEDONLY );
if( hr != DI_OK )
RageException::Throw( hr_ssprintf(hr, "InputHandler_DInput: IDirectInput::EnumDevices") );
// mouse
LOG->Trace( "InputHandler_DInput: IDirectInput::EnumDevices(DIDEVTYPE_MOUSE)" );
hr = g_dinput->EnumDevices( DI8DEVCLASS_POINTER, EnumDevicesCallback, NULL, DIEDFL_ATTACHEDONLY );
if( hr != DI_OK )
RageException::Throw( hr_ssprintf(hr, "InputHandler_DInput: IDirectInput::EnumDevices") );
for( unsigned i = 0; i < Devices.size(); ++i )
{
if( Devices[i].Open() )
continue;
Devices.erase( Devices.begin() + i );
i--;
continue;
}
LOG->Info( "Found %u DirectInput devices:", Devices.size() );
for( unsigned i = 0; i < Devices.size(); ++i )
{
LOG->Info( " %d: '%s' axes: %d, hats: %d, buttons: %d (%s)",
i,
Devices[i].m_sName.c_str(),
Devices[i].axes,
Devices[i].hats,
Devices[i].buttons,
Devices[i].buffered? "buffered": "unbuffered" );
}
m_iLastSeenNumHidDevices = GetNumHidDevices();
m_iNumTimesLeftToPollForJoysticksChanged = 0;
m_iLastSeenNumJoysticks = GetNumJoysticksSlow();
StartThread();
}
void InputHandler_DInput::StartThread()
{
ASSERT( !m_InputThread.IsCreated() );
if( PREFSMAN->m_bThreadedInput )
{
m_InputThread.SetName( "DirectInput thread" );
m_InputThread.Create( InputThread_Start, this );
}
}
void InputHandler_DInput::ShutdownThread()
{
m_bShutdown = true;
if( m_InputThread.IsCreated() )
{
LOG->Trace( "Shutting down DirectInput thread ..." );
m_InputThread.Wait();
LOG->Trace( "DirectInput thread shut down." );
}
m_bShutdown = false;
}
InputHandler_DInput::~InputHandler_DInput()
{
ShutdownThread();
for( unsigned i = 0; i < Devices.size(); ++i )
Devices[i].Close();
Devices.clear();
g_dinput->Release();
g_dinput = NULL;
}
void InputHandler_DInput::WindowReset()
{
// We need to reopen keyboards.
ShutdownThread();
for( unsigned i = 0; i < Devices.size(); ++i )
{
if( Devices[i].type != Devices[i].KEYBOARD )
continue;
Devices[i].Close();
// We lose buffered inputs here, so we need to clear all pressed keys.
INPUTFILTER->ResetDevice( Devices[i].dev );
bool ret = Devices[i].Open();
// Reopening it should succeed.
ASSERT( ret );
}
StartThread();
}
#define HAT_UP_MASK 1
#define HAT_DOWN_MASK 2
#define HAT_LEFT_MASK 4
#define HAT_RIGHT_MASK 8
static int TranslatePOV(DWORD value)
{
const int HAT_VALS[] =
{
HAT_UP_MASK,
HAT_UP_MASK | HAT_RIGHT_MASK,
HAT_RIGHT_MASK,
HAT_DOWN_MASK | HAT_RIGHT_MASK,
HAT_DOWN_MASK,
HAT_DOWN_MASK | HAT_LEFT_MASK,
HAT_LEFT_MASK,
HAT_UP_MASK | HAT_LEFT_MASK
};
if( LOWORD(value) == 0xFFFF )
return 0;
// Round the value up:
value += 4500 / 2;
value %= 36000;
value /= 4500;
if( value >= 8 )
return 0; // shouldn't happen
return HAT_VALS[value];
}
static HRESULT GetDeviceState( LPDIRECTINPUTDEVICE8 dev, int size, void *ptr )
{
HRESULT hr = dev->GetDeviceState( size, ptr );
if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
{
hr = dev->Acquire();
if( hr != DI_OK )
{
LOG->Trace( hr_ssprintf(hr, "?") );
return hr;
}
hr = dev->GetDeviceState( size, ptr );
}
return hr;
}
/* This doesn't take a timestamp; instead, we let InputHandler::ButtonPressed
* figure it out. Be sure to call InputHandler::Update() between each poll. */
void InputHandler_DInput::UpdatePolled( DIDevice &device, const RageTimer &tm )
{
switch( device.type )
{
default:
FAIL_M(ssprintf("Unsupported DI device type: %i", device.type));
case device.KEYBOARD:
{
unsigned char keys[256];
HRESULT hr = GetDeviceState( device.Device, 256, keys );
if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
return;
if( hr != DI_OK )
{
LOG->MapLog( "UpdatePolled", hr_ssprintf(hr, "Failures on polled keyboard update") );
return;
}
for( int k = 0; k < 256; ++k )
{
const DeviceButton key = (DeviceButton) device.Inputs[k].num;
ButtonPressed( DeviceInput(device.dev, key, !!(keys[k] & 0x80) ) );
}
}
break;
case device.JOYSTICK:
{
DIJOYSTATE state;
HRESULT hr = GetDeviceState(device.Device, sizeof(state), &state);
if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
return;
// Set each known axis, button and POV.
for( unsigned i = 0; i < device.Inputs.size(); ++i )
{
const input_t &in = device.Inputs[i];
const InputDevice dev = device.dev;
switch(in.type)
{
case in.BUTTON:
{
DeviceInput di( dev, enum_add2(JOY_BUTTON_1, in.num), !!state.rgbButtons[in.ofs - DIJOFS_BUTTON0], tm );
ButtonPressed( di );
break;
}
case in.AXIS:
{
DeviceButton neg = DeviceButton_Invalid, pos = DeviceButton_Invalid;
int val = 0;
switch( in.ofs )
{
case DIJOFS_X: neg = JOY_LEFT; pos = JOY_RIGHT;
val = state.lX;
break;
case DIJOFS_Y: neg = JOY_UP; pos = JOY_DOWN;
val = state.lY;
break;
case DIJOFS_Z: neg = JOY_Z_UP; pos = JOY_Z_DOWN;
val = state.lZ;
break;
case DIJOFS_RX: neg = JOY_ROT_LEFT; pos = JOY_ROT_RIGHT;
val = state.lRx;
break;
case DIJOFS_RY: neg = JOY_ROT_UP; pos = JOY_ROT_DOWN;
val = state.lRy;
break;
case DIJOFS_RZ: neg = JOY_ROT_Z_UP; pos = JOY_ROT_Z_DOWN;
val = state.lRz;
break;
case DIJOFS_SLIDER(0):
neg = JOY_AUX_1; pos = JOY_AUX_2;
val = state.rglSlider[0];
break;
case DIJOFS_SLIDER(1):
neg = JOY_AUX_3; pos = JOY_AUX_4;
val = state.rglSlider[1];
break;
default: LOG->MapLog( "unknown input",
"Controller '%s' is returning an unknown joystick offset, %i",
device.m_sName.c_str(), in.ofs );
continue;
}
if( neg != DeviceButton_Invalid )
{
float l = SCALE( int(val), 0.0f, 100.0f, 0.0f, 1.0f );
ButtonPressed( DeviceInput(dev, neg, max(-l,0), tm) );
ButtonPressed( DeviceInput(dev, pos, max(+l,0), tm) );
}
break;
}
case in.HAT:
if( in.num == 0 )
{
const int pos = TranslatePOV( state.rgdwPOV[in.ofs - DIJOFS_POV(0)] );
ButtonPressed( DeviceInput(dev, JOY_HAT_UP, !!(pos & HAT_UP_MASK), tm) );
ButtonPressed( DeviceInput(dev, JOY_HAT_DOWN, !!(pos & HAT_DOWN_MASK), tm) );
ButtonPressed( DeviceInput(dev, JOY_HAT_LEFT, !!(pos & HAT_LEFT_MASK), tm) );
ButtonPressed( DeviceInput(dev, JOY_HAT_RIGHT, !!(pos & HAT_RIGHT_MASK), tm) );
}
break;
}
}
}
break;
case device.MOUSE:
// Not 100% perfect (or tested much) yet. -aj
DIMOUSESTATE state;
HRESULT hr = GetDeviceState(device.Device, sizeof(state), &state);
if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
return;
// reset mousewheel
ButtonPressed( DeviceInput(device.dev, MOUSE_WHEELUP, 0, tm) );
ButtonPressed( DeviceInput(device.dev, MOUSE_WHEELDOWN, 0, tm) );
for( unsigned i = 0; i < device.Inputs.size(); ++i )
{
const input_t &in = device.Inputs[i];
const InputDevice dev = device.dev;
switch(in.type)
{
case in.BUTTON:
{
DeviceInput di( dev, enum_add2(MOUSE_LEFT, in.num), !!state.rgbButtons[in.ofs - DIMOFS_BUTTON0], tm );
ButtonPressed( di );
break;
}
case in.AXIS:
{
DeviceButton neg = DeviceButton_Invalid, pos = DeviceButton_Invalid;
int val = 0;
switch( in.ofs )
{
case DIMOFS_X:
neg = MOUSE_X_LEFT; pos = MOUSE_X_RIGHT;
val = state.lX;
break;
case DIMOFS_Y:
neg = MOUSE_Y_UP; pos = MOUSE_Y_DOWN;
val = state.lY;
break;
case DIMOFS_Z:
{
neg = MOUSE_WHEELDOWN; pos = MOUSE_WHEELUP;
val = state.lZ;
//LOG->Trace("MouseWheel polled: %i",val);
INPUTFILTER->UpdateMouseWheel(val);
if( val == 0 )
{
// release all
ButtonPressed( DeviceInput(dev, pos, 0, tm) );
ButtonPressed( DeviceInput(dev, neg, 0, tm) );
}
else if( int(val) > 0 )
{
// positive values: WheelUp
ButtonPressed( DeviceInput(dev, pos, 1, tm) );
ButtonPressed( DeviceInput(dev, neg, 0, tm) );
}
else if( int(val) < 0 )
{
// negative values: WheelDown
ButtonPressed( DeviceInput(dev, neg, 1, tm) );
ButtonPressed( DeviceInput(dev, pos, 0, tm) );
}
}
break;
default: LOG->MapLog( "unknown input",
"Mouse '%s' is returning an unknown mouse offset, %i",
device.m_sName.c_str(), in.ofs );
continue;
}
break;
}
}
}
break;
}
}
void InputHandler_DInput::UpdateBuffered( DIDevice &device, const RageTimer &tm )
{
DWORD numevents;
DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];
numevents = INPUT_QSIZE;
HRESULT hr = device.Device->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), evtbuf, &numevents, 0 );
if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
{
INPUTFILTER->ResetDevice( device.dev );
return;
}
if( hr != DI_OK )
{
LOG->Trace( hr_ssprintf(hr, "UpdateBuffered: IDirectInputDevice2_GetDeviceData") );
return;
}
if( GetForegroundWindow() != GraphicsWindow::GetHwnd() )
{
// Discard input when not focused, and release all keys.
INPUTFILTER->ResetDevice( device.dev );
return;
}
// reset mousewheel
DeviceInput diUp = DeviceInput(device.dev, MOUSE_WHEELUP, 0.0f, tm);
ButtonPressed( diUp );
DeviceInput diDown = DeviceInput(device.dev, MOUSE_WHEELDOWN, 0.0f, tm);
ButtonPressed( diDown );
for( int i = 0; i < (int) numevents; ++i )
{
for(unsigned j = 0; j < device.Inputs.size(); ++j)
{
const input_t &in = device.Inputs[j];
const InputDevice dev = device.dev;
if( evtbuf[i].dwOfs != in.ofs )
continue;
switch( in.type )
{
case in.KEY:
ButtonPressed( DeviceInput(dev, (DeviceButton) in.num, !!(evtbuf[i].dwData & 0x80), tm) );
break;
case in.BUTTON:
if(dev == DEVICE_MOUSE)
{
DeviceButton mouseInput = DeviceButton_Invalid;
switch(in.ofs)
{
case DIMOFS_BUTTON0: mouseInput = MOUSE_LEFT; break;
case DIMOFS_BUTTON1: mouseInput = MOUSE_RIGHT; break;
case DIMOFS_BUTTON2: mouseInput = MOUSE_MIDDLE; break;
default: LOG->MapLog( "unknown input",
"Mouse '%s' is returning an unknown mouse offset [button], %i",
device.m_sName.c_str(), in.ofs );
continue;
}
ButtonPressed( DeviceInput(dev, mouseInput, !!evtbuf[i].dwData, tm) );
}
else
ButtonPressed( DeviceInput(dev, enum_add2(JOY_BUTTON_1, in.num), !!evtbuf[i].dwData, tm) );
break;
case in.AXIS:
{
DeviceButton up = DeviceButton_Invalid, down = DeviceButton_Invalid;
if(dev == DEVICE_MOUSE)
{
float l = int(evtbuf[i].dwData);
POINT cursorPos;
GetCursorPos(&cursorPos);
// convert screen coordinates to client
ScreenToClient(GraphicsWindow::GetHwnd(), &cursorPos);
switch(in.ofs)
{
case DIMOFS_X:
INPUTFILTER->UpdateCursorLocation((float)cursorPos.x,(float)cursorPos.y);
break;
case DIMOFS_Y:
INPUTFILTER->UpdateCursorLocation((float)cursorPos.x,(float)cursorPos.y);
break;
case DIMOFS_Z:
// positive values: WheelUp
// negative values: WheelDown
INPUTFILTER->UpdateMouseWheel(l);
{
up = MOUSE_WHEELUP; down = MOUSE_WHEELDOWN;
float fWheelDelta = l;
//l = SCALE( int(evtbuf[i].dwData), -WHEEL_DELTA, WHEEL_DELTA, 1.0f, -1.0f );
if( l > 0 )
{
DeviceInput diUp = DeviceInput(dev, up, 1.0f, tm);
DeviceInput diDown = DeviceInput(dev, down, 0.0f, tm);
while( fWheelDelta >= WHEEL_DELTA )
{
ButtonPressed( diUp );
ButtonPressed( diDown );
INPUTFILTER->UpdateMouseWheel(fWheelDelta);
fWheelDelta -= WHEEL_DELTA;
}
}
else if( l < 0 )
{
DeviceInput diDown = DeviceInput(dev, down, 1.0f, tm);
DeviceInput diUp = DeviceInput(dev, up, 0.0f, tm);
while( fWheelDelta <= -WHEEL_DELTA )
{
ButtonPressed( diDown );
ButtonPressed( diUp );
INPUTFILTER->UpdateMouseWheel(fWheelDelta);
fWheelDelta += WHEEL_DELTA;
}
}
else
{
DeviceInput diUp = DeviceInput(dev, up, 0.0f, tm);
ButtonPressed( diUp );
DeviceInput diDown = DeviceInput(dev, down, 0.0f, tm);
ButtonPressed( diDown );
}
}
break;
default: LOG->MapLog( "unknown input",
"Mouse '%s' is returning an unknown mouse offset [axis], %i",
device.m_sName.c_str(), in.ofs );
continue;
}
}
else
{
switch(in.ofs)
{
// joystick
case DIJOFS_X: up = JOY_LEFT; down = JOY_RIGHT; break;
case DIJOFS_Y: up = JOY_UP; down = JOY_DOWN; break;
case DIJOFS_Z: up = JOY_Z_UP; down = JOY_Z_DOWN; break;
case DIJOFS_RX: up = JOY_ROT_UP; down = JOY_ROT_DOWN; break;
case DIJOFS_RY: up = JOY_ROT_LEFT; down = JOY_ROT_RIGHT; break;
case DIJOFS_RZ: up = JOY_ROT_Z_UP; down = JOY_ROT_Z_DOWN; break;
case DIJOFS_SLIDER(0): up = JOY_AUX_1; down = JOY_AUX_2; break;
case DIJOFS_SLIDER(1): up = JOY_AUX_3; down = JOY_AUX_4; break;
default: LOG->MapLog( "unknown input",
"Controller '%s' is returning an unknown joystick offset, %i",
device.m_sName.c_str(), in.ofs );
continue;
}
float l = SCALE( int(evtbuf[i].dwData), 0.0f, 100.0f, 0.0f, 1.0f );
ButtonPressed( DeviceInput(dev, up, max(-l,0), tm) );
ButtonPressed( DeviceInput(dev, down, max(+l,0), tm) );
}
break;
}
case in.HAT:
{
const int pos = TranslatePOV( evtbuf[i].dwData );
ButtonPressed( DeviceInput(dev, JOY_HAT_UP, !!(pos & HAT_UP_MASK), tm) );
ButtonPressed( DeviceInput(dev, JOY_HAT_DOWN, !!(pos & HAT_DOWN_MASK), tm) );
ButtonPressed( DeviceInput(dev, JOY_HAT_LEFT, !!(pos & HAT_LEFT_MASK), tm) );
ButtonPressed( DeviceInput(dev, JOY_HAT_RIGHT, !!(pos & HAT_RIGHT_MASK), tm) );
}
}
}
}
}
void InputHandler_DInput::PollAndAcquireDevices( bool bBuffered )
{
for( unsigned i = 0; i < Devices.size(); ++i )
{
if( Devices[i].buffered != bBuffered )
continue;
HRESULT hr = Devices[i].Device->Poll();
if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
{
INPUTFILTER->ResetDevice( Devices[i].dev );
/* This will fail with "access denied" on the keyboard if we don't
* have focus. */
hr = Devices[i].Device->Acquire();
if( hr != DI_OK )
continue;
Devices[i].Device->Poll();
}
}
}
void InputHandler_DInput::Update()
{
// Handle polled devices. Handle buffered, too, if there's no input thread to do it.
PollAndAcquireDevices( false );
if( !m_InputThread.IsCreated() )
PollAndAcquireDevices( true );
for( unsigned i = 0; i < Devices.size(); ++i )
{
if( !Devices[i].buffered )
{
UpdatePolled( Devices[i], RageZeroTimer );
}
else if( !m_InputThread.IsCreated() )
{
// If we have an input thread, it'll handle buffered devices.
UpdateBuffered( Devices[i], RageZeroTimer );
}
}
InputHandler::UpdateTimer();
}
const float POLL_FOR_JOYSTICK_CHANGES_LENGTH_SECONDS = 15.0f;
const float POLL_FOR_JOYSTICK_CHANGES_EVERY_SECONDS = 0.25f;
bool InputHandler_DInput::DevicesChanged()
{
/* GetNumJoysticksSlow() blocks DirectInput for a while even if called from a
* different thread, so we can't poll with it. GetNumHidDevices() is fast,
* but sometimes the DirectInput joysticks haven't updated by the time the
* HID registry value changes. So, poll using GetNumHidDevices(). When that
* changes, poll using GetNumJoysticksSlow() for a little while to give
* DirectInput time to catch up. On this XP machine (which? -aj), it takes
* 2-10 DirectInput polls (0.5-2.5 seconds) to catch a newly installed device
* after the registry value changes, and catches non-new plugged/unplugged
* devices on the first DirectInputPoll. Note that this "poll for N seconds"
* method will not work if the Add New Hardware wizard halts device
* installation to wait for a driver. Most of the joysticks people would want
* to use don't prompt for a driver though, and the wizard adds them pretty quickly. */
int iOldNumHidDevices = m_iLastSeenNumHidDevices;
m_iLastSeenNumHidDevices = GetNumHidDevices();
if( iOldNumHidDevices != m_iLastSeenNumHidDevices )
{
LOG->Warn( "HID devices changes" );
m_iNumTimesLeftToPollForJoysticksChanged = (int)(POLL_FOR_JOYSTICK_CHANGES_LENGTH_SECONDS / POLL_FOR_JOYSTICK_CHANGES_EVERY_SECONDS);
}
if( m_iNumTimesLeftToPollForJoysticksChanged > 0 )
{
static RageTimer timerPollJoysticks;
if( timerPollJoysticks.Ago() >= POLL_FOR_JOYSTICK_CHANGES_EVERY_SECONDS )
{
m_iNumTimesLeftToPollForJoysticksChanged--;
timerPollJoysticks.Touch();
LOG->Warn( "polling for joystick changes" );
int iOldNumJoysticks = m_iLastSeenNumJoysticks;
m_iLastSeenNumJoysticks = GetNumJoysticksSlow();
if( iOldNumJoysticks != m_iLastSeenNumJoysticks )
{
LOG->Warn( "joysticks changed" );
m_iNumTimesLeftToPollForJoysticksChanged = 0;
return true;
}
}
}
return false;
}
void InputHandler_DInput::InputThreadMain()
{
if(!SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST))
LOG->Warn(werr_ssprintf(GetLastError(), "Failed to set DirectInput thread priority"));
// Enable priority boosting.
SetThreadPriorityBoost( GetCurrentThread(), FALSE );
vector<DIDevice*> BufferedDevices;
HANDLE Handle = CreateEvent( NULL, FALSE, FALSE, NULL );
for( unsigned i = 0; i < Devices.size(); ++i )
{
if( !Devices[i].buffered )
continue;
BufferedDevices.push_back( &Devices[i] );
Devices[i].Device->Unacquire();
HRESULT hr = Devices[i].Device->SetEventNotification( Handle );
if( FAILED(hr) )
LOG->Warn( "IDirectInputDevice2_SetEventNotification failed on %i", i );
Devices[i].Device->Acquire();
}
while( !m_bShutdown )
{
CHECKPOINT;
if( BufferedDevices.size() )
{
// Update buffered devices.
PollAndAcquireDevices( true );
int ret = WaitForSingleObjectEx( Handle, 50, true );
if( ret == -1 )
{
LOG->Trace( werr_ssprintf(GetLastError(), "WaitForSingleObjectEx failed") );
continue;
}
/* Update devices even if no event was triggered, since this also
* checks for focus loss. */
RageTimer now;
for( unsigned i = 0; i < BufferedDevices.size(); ++i )
UpdateBuffered( *BufferedDevices[i], now );
}
CHECKPOINT;
// If we have no buffered devices, we didn't delay at WaitForMultipleObjectsEx.
if( BufferedDevices.size() == 0 )
usleep( 50000 );
CHECKPOINT;
}
CHECKPOINT;
for( unsigned i = 0; i < Devices.size(); ++i )
{
if( !Devices[i].buffered )
continue;
Devices[i].Device->Unacquire();
Devices[i].Device->SetEventNotification( NULL );
}
CloseHandle(Handle);
}
void InputHandler_DInput::GetDevicesAndDescriptions( vector<InputDeviceInfo>& vDevicesOut )
{
for( unsigned i=0; i < Devices.size(); ++i )
vDevicesOut.push_back( InputDeviceInfo(Devices[i].dev, Devices[i].m_sName) );
}
static wchar_t ScancodeAndKeysToChar( DWORD scancode, unsigned char keys[256] )
{
static HKL layout = GetKeyboardLayout(0); // 0 == current thread
UINT vk = MapVirtualKeyEx( scancode, 1, layout );
static bool bInitialized = false;
typedef int (WINAPI TOUNICODEEX)( IN UINT wVirtKey, IN UINT wScanCode, IN CONST BYTE *lpKeyState, OUT LPWSTR pwszBuff, IN int cchBuff, IN UINT wFlags, IN HKL dwhkl );
static TOUNICODEEX *pToUnicodeEx;
if( !bInitialized )
{
bInitialized = true;
HMODULE hModule = GetModuleHandle( "user32.dll" );
pToUnicodeEx = (TOUNICODEEX *) GetProcAddress( hModule, "ToUnicodeEx" );
}
unsigned short result[2]; // ToAscii writes a max of 2 chars
ZERO( result );
if( pToUnicodeEx != NULL )
{
int iNum = pToUnicodeEx( vk, scancode, keys, (LPWSTR)result, 2, 0, layout );
if( iNum == 1 )
return result[0];
}
else
{
int iNum = ToAsciiEx( vk, scancode, keys, result, 0, layout );
// iNum == 2 will happen only for dead keys. See MSDN for ToAsciiEx.
if( iNum == 1 )
{
RString s = RString()+(char)result[0];
return ConvertCodepageToWString( s, CP_ACP )[0];
}
}
return '\0';
}
wchar_t InputHandler_DInput::DeviceButtonToChar( DeviceButton button, bool bUseCurrentKeyModifiers )
{
// ToAsciiEx maps these keys to a character. They shouldn't be mapped to any character.
switch( button )
{
case KEY_ESC:
case KEY_TAB:
case KEY_ENTER:
case KEY_BACK:
return '\0';
}
FOREACH_CONST( DIDevice, Devices, d )
{
if( d->type != DIDevice::KEYBOARD )
continue;
FOREACH_CONST( input_t, d->Inputs, i )
{
if( button != i->num )
continue;
unsigned char keys[256];
ZERO( keys );
if( bUseCurrentKeyModifiers )
GetKeyboardState(keys);
// todo: handle Caps Lock -freem
wchar_t c = ScancodeAndKeysToChar( i->ofs, keys );
if( c )
return c;
}
}
return InputHandler::DeviceButtonToChar( button, bUseCurrentKeyModifiers );
}
/*
* (c) 2003-2004 Glenn Maynard
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons to
* whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
Reference in New Issue View Git Blame Copy Permalink