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#include "ftnoir_tracker_joystick.h"
#include "facetracknoir/global-settings.h"
#undef NDEBUG
#include <cassert>
#include <QMutexLocker>
static BOOL CALLBACK EnumJoysticksCallback2( const DIDEVICEINSTANCE* pdidInstance, VOID* pContext )
{
auto self = ( FTNoIR_Tracker* )pContext;
self->def = *pdidInstance;
return self->iter++ == self->joyid ? DIENUM_STOP : DIENUM_CONTINUE;
}
FTNoIR_Tracker::FTNoIR_Tracker() :
g_pDI(nullptr),
g_pJoystick(nullptr),
joyid(-1),
iter(-1),
mtx(QMutex::Recursive)
{
for (int i = 0; i < 6; i++)
axes[i] = min_[i] = max_[i] = 0;
GUID bar = {0};
preferred = bar;
}
void FTNoIR_Tracker::reload()
{
QMutexLocker foo(&mtx);
if (g_pJoystick)
{
g_pJoystick->Unacquire();
g_pJoystick->Release();
}
if (g_pDI)
g_pDI->Release();
g_pJoystick = nullptr;
g_pDI = nullptr;
StartTracker(frame);
}
FTNoIR_Tracker::~FTNoIR_Tracker()
{
if (g_pJoystick)
{
g_pJoystick->Unacquire();
g_pJoystick->Release();
}
if (g_pDI)
g_pDI->Release();
}
static BOOL CALLBACK EnumObjectsCallback( const DIDEVICEOBJECTINSTANCE* pdidoi,
VOID* pContext )
{
auto self = (FTNoIR_Tracker*) pContext;
// For axes that are returned, set the DIPROP_RANGE property for the
// enumerated axis in order to scale min/max values.
if( pdidoi->dwType & DIDFT_AXIS )
{
DIPROPRANGE diprg = {0};
diprg.diph.dwSize = sizeof( DIPROPRANGE );
diprg.diph.dwHeaderSize = sizeof( DIPROPHEADER );
diprg.diph.dwHow = DIPH_BYID;
diprg.diph.dwObj = pdidoi->dwType;
// Set the range for the axis
if( FAILED( self->g_pJoystick->GetProperty( DIPROP_RANGE, &diprg.diph ) ) )
return DIENUM_STOP;
self->min_[self->iter] = diprg.lMin;
self->max_[self->iter] = diprg.lMax;
qDebug() << "axis" << self->iter << diprg.lMin << diprg.lMax;
self->iter++;
}
return self->iter == 8 ? DIENUM_STOP : DIENUM_CONTINUE;
}
static BOOL CALLBACK EnumJoysticksCallback( const DIDEVICEINSTANCE* pdidInstance, VOID* pContext )
{
DI_ENUM_CONTEXT* pEnumContext = ( DI_ENUM_CONTEXT* )pContext;
if (!IsEqualGUID(pEnumContext->preferred_instance, pdidInstance->guidInstance))
return DIENUM_CONTINUE;
(void) pEnumContext->g_pDI->CreateDevice( pdidInstance->guidInstance, pEnumContext->g_pJoystick, NULL);
return DIENUM_STOP;
}
void FTNoIR_Tracker::StartTracker(QFrame* frame)
{
QMutexLocker foo(&mtx);
this->frame = frame;
iter = 0;
loadSettings();
auto hr = CoInitialize( nullptr );
DI_ENUM_CONTEXT enumContext = {0};
if( FAILED( hr = DirectInput8Create( GetModuleHandle( NULL ), DIRECTINPUT_VERSION,
IID_IDirectInput8, ( VOID** )&g_pDI, NULL ) ) )
{
qDebug() << "create";
goto fail;
}
if( FAILED( hr = g_pDI->EnumDevices( DI8DEVCLASS_GAMECTRL,
EnumJoysticksCallback2,
this,
DIEDFL_ATTACHEDONLY)))
{
qDebug() << "enum2";
goto fail;
}
enumContext.g_pDI = g_pDI;
enumContext.g_pJoystick = &g_pJoystick;
enumContext.preferred_instance = def.guidInstance;
if( FAILED( hr = g_pDI->EnumDevices( DI8DEVCLASS_GAMECTRL,
EnumJoysticksCallback,
&enumContext,
DIEDFL_ATTACHEDONLY)))
{
qDebug() << "enum1";
goto fail;
}
if (!g_pJoystick)
{
qDebug() << "ENODEV";
goto fail;
}
if (FAILED(g_pJoystick->SetDataFormat(&c_dfDIJoystick)))
{
qDebug() << "format";
goto fail;
}
if (FAILED(g_pJoystick->SetCooperativeLevel((HWND) frame->window()->winId(), DISCL_NONEXCLUSIVE | DISCL_BACKGROUND)))
{
qDebug() << "coop";
goto fail;
}
iter = 0;
if( FAILED( hr = g_pJoystick->EnumObjects( EnumObjectsCallback,
( VOID* )this, DIDFT_ALL )))
{
qDebug() << "enum axes";
goto fail;
}
qDebug() << "joy init success";
return;
fail:
if (g_pJoystick)
g_pJoystick->Release();
if (g_pDI)
g_pDI->Release();
g_pJoystick = nullptr;
g_pDI = nullptr;
qDebug() << "joy init failure";
}
void FTNoIR_Tracker::GetHeadPoseData(double *data)
{
QMutexLocker foo(&mtx);
DIJOYSTATE js = {0};
if( !g_pDI || !g_pJoystick)
return;
auto hr = g_pJoystick->Poll();
if( FAILED( hr ))
{
hr = g_pJoystick->Acquire();
for (int i = 0; hr == DIERR_INPUTLOST && i < 200; i++)
hr = g_pJoystick->Acquire();
if (hr != DI_OK)
return;
}
if( FAILED( hr = g_pJoystick->GetDeviceState( sizeof( js ), &js ) ) )
return;
const LONG values[] = {
js.lRx,
js.lRy,
js.lRz,
js.lX,
js.lY,
js.lZ,
js.rglSlider[0],
js.rglSlider[1]
};
const double limits[] = {
100,
100,
100,
180,
90,
180
};
for (int i = 0; i < 6; i++)
{
auto idx = axes[i] - 1;
if (idx < 0 || idx > 7)
{
data[i] = 0;
}
else {
auto mid = (min_[idx] + max_[idx]) / 2;
auto val = values[idx] - mid;
auto max = (max_[idx] - min_[idx]) / 2;
auto min = (min_[idx] - max_[idx]) / -2;
data[i] = val * limits[i] / (double) (val >= 0 ? max : min);
}
}
}
void FTNoIR_Tracker::loadSettings() {
QMutexLocker foo(&mtx);
QSettings settings("opentrack"); // Registry settings (in HK_USER)
QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/settings/default.ini" ).toString();
QSettings iniFile( currentFile, QSettings::IniFormat ); // Application settings (in INI-file)
iniFile.beginGroup ( "tracker-joy" );
joyid = iniFile.value("joyid", -1).toInt();
for (int i = 0; i < 6; i++)
axes[i] = iniFile.value(QString("axis-%1").arg(i), 0).toInt() - 1;
iniFile.endGroup ();
}
extern "C" FTNOIR_TRACKER_BASE_EXPORT ITracker* CALLING_CONVENTION GetConstructor()
{
return new FTNoIR_Tracker;
}
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