private bool CheckDeadzone(HidNumericControlDescription desc, HidNumericControl control)
{
var range = desc.LogicalMaximum - desc.LogicalMinimum;
var absoluteDeadzone = (int)(DEADZONE * range);
var center = NumericCenters[desc.UsagePage];
var testValue = Math.Abs(center - control.Value);
if (desc.UsagePage == 0x01 && desc.UsageId == 0x39)
{
// dpad
return((control.Value % 2 == 0) || !this.SetupMode);
}
return(testValue > absoluteDeadzone);
}
private void ProcessInputForMap(HidInputReport report, HIDButtonMap buttonMap, ref ButtonStates newState)
{
foreach (var mappingItem in buttonMap)
{
HIDMapping mapping = mappingItem.Value;
if (mapping.IsNumeric)
{
HidNumericControl control = report.GetNumericControl(mapping.UsagePage, mapping.UsageId);
ushort value = (ushort)control.Value;
if (!this.CheckDeadzone(control.ControlDescription, control))
{
continue;
}
if (mapping.UsagePage == 0x01 && mapping.UsageId == 0x39)
{
// dpad
if ((mapping.Direction == DPadDirection.Down && value >= 3 && value <= 5) ||
(mapping.Direction == DPadDirection.Left && value >= 5 && value <= 7) ||
(mapping.Direction == DPadDirection.Up && (value == 7 || value == 0 || value == 1)) ||
(mapping.Direction == DPadDirection.Right && value >= 1 && value <= 3)
)
{
this.setButtonState(mappingItem.Key, ref newState);
}
}
else
{
// axis
ushort center = NumericCenters[mapping.UsagePage];
if ((value < center && mapping.Sign < 0) ||
(value > center && mapping.Sign > 0))
{
this.setButtonState(mappingItem.Key, ref newState);
}
}
}
else
{
HidBooleanControl control = report.GetBooleanControl(mapping.UsagePage, mapping.UsageId);
if (control.IsActive)
{
this.setButtonState(mappingItem.Key, ref newState);
}
}
}
}
private void Device_InputReportReceived(HidDevice sender, HidInputReportReceivedEventArgs args)
{
// Retrieve the sensor data
HidInputReport inputReport = args.Report;
IBuffer buffer = inputReport.Data;
DataReader dr = DataReader.FromBuffer(buffer);
byte[] bytes = new byte[inputReport.Data.Length];
dr.ReadBytes(bytes);
if (bytes.Length <= 0)
{
return;
}
lock (this)
{
// Clear the control states
OnUpdate();
// Report button controls
foreach (var button in args.Report.ActivatedBooleanControls)
{
ReportControl((int)button.Id, 1f);
}
// Report numeric controls
int[] specialControls = GetNumericControls(gamepadType);
for (int i = 0; i < specialControls.Length; ++i)
{
HidNumericControl ctrl = args.Report.GetNumericControl(1, (ushort)specialControls[i]);
if (ctrl != null)
{
ReportControl(specialControls[i], ctrl.Value);
}
}
}
}
