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G940LEDControl/LogitechSDK/SteeringWheel/Src/LogiSlipperyRoadEffect.cpp

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2012-01-04 19:11:07 +00:00
#include "LogiSlipperyRoadEffect.h"
#include "LogiControllerForceManager.h"
#include "LogiWheelUtils.h"
using namespace LogitechSteeringWheel;
SlipperyRoadEffectParams::SlipperyRoadEffectParams()
{
m_diCondition[0].lDeadBand = 0;
m_diCondition[0].lOffset = 0;
m_diCondition[0].lPositiveCoefficient = 0;
m_diCondition[0].lNegativeCoefficient = 0;
m_diCondition[0].dwPositiveSaturation = DI_FFNOMINALMAX;
m_diCondition[0].dwNegativeSaturation = DI_FFNOMINALMAX;
m_diCondition[1].lDeadBand = 0;
m_diCondition[1].lOffset = 0;
m_diCondition[1].lPositiveCoefficient = Utils::FromPercentage(80, -100, 100, -DI_FFNOMINALMAX, DI_FFNOMINALMAX);
m_diCondition[1].lNegativeCoefficient = m_diCondition[1].lPositiveCoefficient;
m_diCondition[1].dwPositiveSaturation = Utils::FromPercentage(80, 0, 100, 0, DI_FFNOMINALMAX);
m_diCondition[1].dwNegativeSaturation = m_diCondition[1].dwPositiveSaturation;
m_rglDirection[0] = 1;
m_rglDirection[1] = 0;
}
LogiSlipperyRoadEffect::LogiSlipperyRoadEffect()
{
m_type = LG_FORCE_SLIPPERY_ROAD;
}
HRESULT LogiSlipperyRoadEffect::CreateEffect(SlipperyRoadEffectParams& params)
{
HRESULT hr_ = S_OK;
m_diEffect.rglDirection = params.m_rglDirection;
m_diEffect.cAxes = params.m_numFFAxes;
m_diEffect.lpEnvelope = NULL;
m_diEffect.cbTypeSpecificParams = m_diEffect.cAxes * sizeof(DICONDITION);
m_diEffect.lpvTypeSpecificParams = &params.m_diCondition;
if( FAILED( hr_ = m_device->CreateEffect( GUID_Damper,
&m_diEffect, &m_effect, NULL ) ) )
{
LOGIWHEELTRACE(_T("ERROR: Failed to create slippery road effect\n"));
return hr_;
}
m_currentForceParams = params;
return hr_;
}
HRESULT LogiSlipperyRoadEffect::SetParameters(SlipperyRoadEffectParams& params)
{
HRESULT hr_ = S_OK;
m_diEffect.rglDirection = params.m_rglDirection;
m_diEffect.cAxes = params.m_numFFAxes;
m_diEffect.lpEnvelope = NULL;
m_diEffect.cbTypeSpecificParams = m_diEffect.cAxes * sizeof(DICONDITION);
m_diEffect.lpvTypeSpecificParams = &params.m_diCondition;
if( FAILED( hr_ = m_effect->SetParameters(&m_diEffect, DIEP_DIRECTION |
DIEP_TYPESPECIFICPARAMS )))
{
LOGIWHEELTRACE(_T("ERROR: Failed to update slippery road effect\n"));
return hr_;
}
m_currentForceParams = params;
return hr_;
}
SlipperyRoadEffectParams& LogiSlipperyRoadEffect::GetCurrentForceParams()
{
return m_currentForceParams;
}