// Strength ranges from 0 to 1
void setWheelRumbleStrength(double strength)
{
DIPERIODIC pf = { FFWRMAX * strength * 10000,0,0,0.06 * 1000000 };
g_sWheelRumbleConfig.cbTypeSpecificParams = sizeof(DIPERIODIC);
g_sWheelRumbleConfig.lpvTypeSpecificParams = &pf;
if (g_pWheelRumbleHandle) {
g_pWheelRumbleHandle->SetParameters(&g_sWheelRumbleConfig, DIEP_DIRECTION |
DIEP_TYPESPECIFICPARAMS | DIEP_START);
}
}
// Magnitude ranges from -1 to 1
void setAutoCenterStrength(double magnitude)
{
DICONSTANTFORCE cf = { magnitude * 10000 };
g_sAutoCenterConfig.cbTypeSpecificParams = sizeof(DICONSTANTFORCE);
g_sAutoCenterConfig.lpvTypeSpecificParams = &cf;
if (g_pAutoCenterHandle) {
g_pAutoCenterHandle->SetParameters(&g_sAutoCenterConfig, DIEP_DIRECTION |
DIEP_TYPESPECIFICPARAMS | DIEP_START);
}
}
HRESULT SetDeviceForcesXY(float x,float y)
{
// Modifying an effect is basically the same as creating a new one, except
// you need only specify the parameters you are modifying
LONG rglDirection[2] = { 0, 0 };
DICONSTANTFORCE cf;
if( g_dwNumForceFeedbackAxis == 1 )
{
// If only one force feedback axis, then apply only one direction and
// keep the direction at zero
cf.lMagnitude = x;
rglDirection[0] = 0;
}
else
{
// If two force feedback axis, then apply magnitude from both directions
rglDirection[0] = x;
rglDirection[1] = y;
cf.lMagnitude = ( DWORD )sqrt( x * x + y * y );
}
DIEFFECT eff;
ZeroMemory( &eff, sizeof( eff ) );
eff.dwSize = sizeof( DIEFFECT );
eff.dwFlags = DIEFF_CARTESIAN | DIEFF_OBJECTOFFSETS;
eff.cAxes = g_dwNumForceFeedbackAxis;
eff.rglDirection = rglDirection;
eff.lpEnvelope = 0;
eff.cbTypeSpecificParams = sizeof( DICONSTANTFORCE );
eff.lpvTypeSpecificParams = &cf;
eff.dwStartDelay = 0;
// Now set the new parameters and start the effect immediately.
HRESULT hr = S_OK;
hr = g_pEffect->SetParameters( &eff, DIEP_DIRECTION |DIEP_TYPESPECIFICPARAMS |DIEP_START );
HRESULT a1 = DIERR_INVALIDPARAM;
return hr;
}
//--------------------------------------------------------------//
void Win32ForceFeedback::_upload( GUID guid, DIEFFECT* diEffect, const Effect* effect)
{
LPDIRECTINPUTEFFECT dxEffect = 0;
//Get the effect - if it exists
EffectList::iterator i = mEffectList.find(effect->_handle);
//It has been created already
if( i != mEffectList.end() )
dxEffect = i->second;
else //This effect has not yet been created - generate a handle
effect->_handle = mHandles++;
if( dxEffect == 0 )
{
//This effect has not yet been created, so create it
HRESULT hr = mJoyStick->CreateEffect(guid, diEffect, &dxEffect, NULL);
if(SUCCEEDED(hr))
{
mEffectList[effect->_handle] = dxEffect;
dxEffect->Start(INFINITE,0);
}
else if( hr == DIERR_DEVICEFULL )
OIS_EXCEPT(E_DeviceFull, "Remove an effect before adding more!");
else
OIS_EXCEPT(E_General, "Unknown error creating effect->..");
}
else
{
//ToDo -- Update the Effect
HRESULT hr = dxEffect->SetParameters( diEffect, DIEP_DIRECTION |
DIEP_DURATION | DIEP_ENVELOPE | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS | DIEP_START );
if(FAILED(hr)) OIS_EXCEPT(E_InvalidParam, "Error updating device!");
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : effectnum -
// params -
//-----------------------------------------------------------------------------
void CInput::ForceFeedback_Start( int effectnum, const FFBaseParams_t& params )
{
if ( !m_pFF || !m_pFF->m_bForceFeedbackAvailable )
return;
// Unpause system...
if ( m_pFF->m_bPaused )
{
ForceFeedback_Resume();
}
// look up the effect
FORCEFEEDBACK_t effect = (FORCEFEEDBACK_t)effectnum;
if ( effect < 0 || effect >= NUM_FORCE_FEEDBACK_PRESETS )
{
Assert( !"ForceFeedback_Start with bogus effectnum" );
return;
}
EffectMap_t *map = &g_EffectMap[ effectnum ];
vecEffectPtr_t *effects = map->pVecEffectPtr;
// Play the effects on the device
int c = effects->Count();
for ( int i = 0; i < c; ++i )
{
LPDIRECTINPUTEFFECT pEffect = (*effects)[ i ];
if ( !map->m_bDownloaded )
{
pEffect->Download();
map->m_bDownloaded = true;
}
DWORD flags = DIEP_DIRECTION | DIEP_GAIN | DIEP_DURATION;
LONG rglDirection[2] = { 0, 100 };
// Fill in parameters
DIEFFECT effect;
Q_memset( &effect, 0, sizeof( effect ) );
effect.dwSize = sizeof( effect );
effect.dwFlags = DIEFF_POLAR | DIEFF_OBJECTOFFSETS;
effect.rglDirection = rglDirection;
effect.cAxes = 2;
HRESULT hr = pEffect->GetParameters( &effect, flags );
if ( !FAILED( hr ) )
{
// If params.m_flDuration == 0.0f then that means use the duration in the file
if ( params.m_flDuration <= -0.999f )
{
effect.dwDuration = INFINITE;
}
else if( params.m_flDuration >= 0.001f )
{
// Convert to microsseconds
effect.dwDuration = (DWORD)( params.m_flDuration * 1000000.0f );
}
effect.dwGain = params.m_flGain * 10000.0f;
effect.rglDirection[ 0 ] = 100.0f * params.m_flDirection;
effect.rglDirection[ 1 ] = 0;
hr = pEffect->SetParameters( &effect, flags );
if ( !FAILED( hr ) )
{
pEffect->Start( 1, params.m_bSolo ? DIES_SOLO : 0 );
}
}
}
}
