/// <summary>
/// Event handler:
/// Attempts to parse the user data, create an FFB effect and send it to the currently
/// selected device.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSendEffect_Click(object sender, EventArgs e)
{
Guid ffbG;
try
{
ffbG = availableFFBEffects.ElementAt(cboxEffects.SelectedIndex).Guid;
}
catch (ArgumentNullException)
{
return;
}
if (ffbG == null)
{
MessageBox.Show("No effect selected.", FFBInspector.Properties.Resources.errCap_noEffect,
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DataClasses.FFBEffectData efd = CreateFFBEffectData();
if (efd == null)
{
return;
}
efd.effect.effectGuid = ffbG;
updateDeviceStatus.Enabled = false;
if (GetDInputHandler().SendFFBEffect(efd))
{
MarkActiveSlot();
}
updateDeviceStatus.Enabled = true;
}
/// <summary>
/// Creates an FFB effect, stores it at a given slot and starts its playback.
/// </summary>
/// <param name="data">
/// Parameters of the effect to be created.
/// </param>
/// <returns>
/// Returns true if successful, otherwise returns false.
/// </returns>
public bool SendFFBEffect(DataClasses.FFBEffectData data)
{
//Check if the device is properly initialized
if (ffbDevice == null)
{
MessageBox.Show("Device not initialized.", FFBInspector.Properties.Resources.errCap_devError,
MessageBoxButtons.OK, MessageBoxIcon.Stop);
return(false);
}
//If there is an effect already stored in this slot, remove it
StopOneEffect(data.slot);
int[] axes = new Int32[actuatorsObjectTypes.Count];
int i = 0;
foreach (int objt in actuatorsObjectTypes)
{
axes[i++] = objt;
}
//Set effect direction
int[] dirs = data.effect.GetDirections();
//Set the general effect parameters up
EffectParameters eParams = new EffectParameters();
eParams.Duration = data.effect.duration;
eParams.Flags = EffectFlags.Cartesian | EffectFlags.ObjectIds;
eParams.Gain = data.effect.gain;
eParams.SetAxes(axes, dirs);
eParams.StartDelay = data.effect.startDelay;
eParams.SamplePeriod = 0; //Use the default sample period;
eParams.TriggerButton = data.effect.trigButton;
eParams.TriggerRepeatInterval = data.effect.trigRepInterval;
//Set the type specific effect parameters up
TypeSpecificParameters typeSpec = null;
if (data.effect.effectGuid == EffectGuid.ConstantForce)
{
DataClasses.ConstantEffectTypeData cfEfd = (DataClasses.ConstantEffectTypeData)data.effect;
typeSpec = new ConstantForce();
typeSpec.AsConstantForce().Magnitude = cfEfd.magnitude;
}
else if (data.effect.effectGuid == EffectGuid.RampForce)
{
DataClasses.RampEffectTypeData rfEfd = (DataClasses.RampEffectTypeData)data.effect;
typeSpec = new RampForce();
typeSpec.AsRampForce().Start = rfEfd.start;
typeSpec.AsRampForce().End = rfEfd.end;
}
else if (data.effect.effectGuid == EffectGuid.Sine || data.effect.effectGuid == EffectGuid.Triangle ||
data.effect.effectGuid == EffectGuid.Square ||
data.effect.effectGuid == EffectGuid.SawtoothUp ||
data.effect.effectGuid == EffectGuid.SawtoothDown)
{
DataClasses.PeriodicEffectTypeData pfEfd = (DataClasses.PeriodicEffectTypeData)data.effect;
typeSpec = new PeriodicForce();
typeSpec.AsPeriodicForce().Magnitude = pfEfd.magnitude;
typeSpec.AsPeriodicForce().Offset = pfEfd.offset;
typeSpec.AsPeriodicForce().Period = pfEfd.period;
typeSpec.AsPeriodicForce().Phase = pfEfd.phase;
}
else if (data.effect.effectGuid == EffectGuid.Friction || data.effect.effectGuid == EffectGuid.Inertia ||
data.effect.effectGuid == EffectGuid.Damper || data.effect.effectGuid == EffectGuid.Spring)
{
DataClasses.ConditionEffectTypeData cdEfd = (DataClasses.ConditionEffectTypeData)data.effect;
typeSpec = new ConditionSet();
typeSpec.AsConditionSet().Conditions = new Condition[1];
typeSpec.AsConditionSet().Conditions[0].DeadBand = cdEfd.deadBand;
typeSpec.AsConditionSet().Conditions[0].Offset = cdEfd.offset;
typeSpec.AsConditionSet().Conditions[0].NegativeCoefficient = cdEfd.negCoeff;
typeSpec.AsConditionSet().Conditions[0].NegativeSaturation = cdEfd.negSat;
typeSpec.AsConditionSet().Conditions[0].PositiveCoefficient = cdEfd.posCoeff;
typeSpec.AsConditionSet().Conditions[0].PositiveSaturation = cdEfd.posSat;
}
eParams.Parameters = typeSpec;
//Create an envelope
if (data.envelope != null)
{
Envelope envp = new Envelope();
envp.AttackLevel = data.envelope.attackLevel;
envp.AttackTime = data.envelope.attackTime;
envp.FadeLevel = data.envelope.fadeLevel;
envp.FadeTime = data.envelope.fadeTime;
eParams.Envelope = envp;
}
//Create an effect and add it to the list
Effect ef;
try
{
ef = new Effect(ffbDevice, data.effect.effectGuid, eParams);
ffbEffects[data.slot] = ef;
}
catch (Exception ex)
{
MessageBox.Show("Cannot create effect.\n" + ex.Message + "\n" + ex.Data,
FFBInspector.Properties.Resources.errCap_effError,
MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
return(StartFFBEffect(ef));
}