//-----------------------------------------------------------------------------
// 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 );
}
}
}
}
// Create a force feedback effect handle and downloads the effect. Parameters are self-explanatory.
bool CreateEffectHandle( HWND hWnd, LPDIRECTINPUTDEVICE8 lpDirectInputDevice, LPDIRECTINPUTEFFECT &pDIEffect, BYTE bRumbleTyp, long lStrength )
{
if( pDIEffect )
ReleaseEffect( pDIEffect );
if( !lpDirectInputDevice || bRumbleTyp == RUMBLE_DIRECT )
return false;
DWORD nAxes = 0;
DWORD rgdwAxes[] = { DIJOFS_X, DIJOFS_Y };
HRESULT hResult;
// count the FF - axes of the joystick
lpDirectInputDevice->EnumObjects( EnumCountFFAxes, &nAxes, DIDFT_FFACTUATOR | DIDFT_AXIS );
if( nAxes == 0 )
return false;
nAxes = min( nAxes, 2 );
// Must be unaquired for setting stuff like Co-op Level
hResult = lpDirectInputDevice->Unacquire();
//FF Requires EXCLUSIVE LEVEL, took me hours to find the reason why it wasnt working
hResult = lpDirectInputDevice->SetCooperativeLevel( hWnd, DIB_FF );
// fail if we can't set coop level --rabid
if (hResult != DI_OK)
{
DebugWriteA("CreateEffectHandle: couldn't set coop level: %08X\n", hResult);
return false;
}
// Since we will be playing force feedback effects, we should disable the
// auto-centering spring.
DIPROPDWORD dipdw;
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = FALSE;
hResult = lpDirectInputDevice->SetProperty( DIPROP_AUTOCENTER, &dipdw.diph );
long rglDirection[] = { 1, 1 };
LPGUID EffectGuid;
DIEFFECT eff;
ZeroMemory( &eff, sizeof(eff) );
eff.dwSize = sizeof(DIEFFECT);
eff.dwFlags = DIEFF_CARTESIAN | DIEFF_OBJECTOFFSETS;
eff.dwGain = lStrength * 100;
eff.dwTriggerButton = DIEB_NOTRIGGER;
eff.dwTriggerRepeatInterval = 0;
eff.cAxes = nAxes; //Number of Axes
eff.rgdwAxes = rgdwAxes;
eff.rglDirection = rglDirection;
eff.lpEnvelope = NULL;
eff.dwStartDelay = 0;
DICONSTANTFORCE cf;
DIRAMPFORCE rf;
DIPERIODIC pf;
switch( bRumbleTyp )
{
case RUMBLE_CONSTANT:
EffectGuid = (GUID*)&GUID_ConstantForce;
eff.dwDuration = 150000; // microseconds
eff.dwSamplePeriod = 0;
eff.cbTypeSpecificParams = sizeof(DICONSTANTFORCE);
eff.lpvTypeSpecificParams = &cf;
cf.lMagnitude = 10000;
break;
case RUMBLE_RAMP:
EffectGuid = (GUID*)&GUID_RampForce;
eff.dwDuration = 300000; // microseconds
eff.dwSamplePeriod = 0;
eff.cbTypeSpecificParams = sizeof(DIRAMPFORCE);
eff.lpvTypeSpecificParams = &rf;
rf.lStart = 10000;
rf.lEnd = 2000;
break;
case RUMBLE_CONDITION:
case RUMBLE_PERIODIC:
EffectGuid = (GUID*)&GUID_Sine;
eff.dwDuration = 150000; // microseconds
eff.dwSamplePeriod = 0;
eff.cbTypeSpecificParams = sizeof(DIPERIODIC);
eff.lpvTypeSpecificParams = &pf;
pf.dwMagnitude = 10000;
pf.lOffset = 0;
pf.dwPhase = 0;
pf.dwPeriod = 2000;
break;
case RUMBLE_NONE:
case RUMBLE_CUSTOM:
default:
return false;
}
hResult = lpDirectInputDevice->CreateEffect( *EffectGuid, &eff, &pDIEffect, NULL );
if (hResult == DI_OK)
{
hResult = lpDirectInputDevice->Acquire();
hResult = pDIEffect->Download();
}
else
{
DebugWriteA("CreateEffectHandle: didn't CreateEffect: %08X\n", hResult);
}
return SUCCEEDED( hResult );
}
