/// <summary>
/// Function to perform the creation of the DirectInput joystick object.
/// </summary>
/// <param name="directInput">The direct input interface.</param>
/// <param name="deviceInfo">The device information for the gaming device to use.</param>
/// <returns>The DirectInput joystick object.</returns>
private DI.Joystick CreateJoystick(DI.DirectInput directInput, DirectInputDeviceInfo deviceInfo)
{
var result = new DI.Joystick(directInput, deviceInfo.InstanceGuid);
IntPtr mainWindow = FindMainApplicationWindow();
if (mainWindow == IntPtr.Zero)
{
// We have no main window, and DI requires one, so we need to kill this.
throw new InvalidOperationException(Resources.GORINP_ERR_DI_COULD_NOT_FIND_APP_WINDOW);
}
result.SetCooperativeLevel(mainWindow, DI.CooperativeLevel.Foreground | DI.CooperativeLevel.NonExclusive);
result.Properties.AxisMode = DI.DeviceAxisMode.Absolute;
// Set up dead zones.
foreach (GorgonGamingDeviceAxis axis in Axis)
{
// Skip the throttle. Dead zones on the throttle don't work too well for regular joysticks.
// Game pads may be another story, but the user can manage those settings if required.
if (axis.Axis == GamingDeviceAxis.Throttle)
{
continue;
}
GorgonGamingDeviceAxisInfo info = Info.AxisInfo[axis.Axis];
DI.ObjectProperties properties = result.GetObjectPropertiesById(_info.AxisMappings[axis.Axis]);
if (properties == null)
{
continue;
}
// Set a 0 dead zone.
properties.DeadZone = 0;
// Make the dead zone 10% of the range for all axes.
float deadZone = axis.Axis == GamingDeviceAxis.Throttle ? 0.02f : 0.10f;
int deadZoneActual = (int)(info.Range.Range * deadZone);
axis.DeadZone = new GorgonRange(info.DefaultValue - deadZoneActual, info.DefaultValue + deadZoneActual);
}
return(result);
}
public InputDeviceJoystickWindows(DirectInput di, DeviceInstance d, bool paxison)
{
jsi = new InputDeviceIdentity()
{
Instanceguid = d.InstanceGuid, Productguid = d.ProductGuid, Name = d.InstanceName.RemoveTrailingCZeros()
};
axisevents = paxison;
stick = new SharpDX.DirectInput.Joystick(di, d.InstanceGuid);
stick.SetNotification(eventhandle);
stick.Acquire();
axispresent = new bool[AxisCount];
axisvalue = Enumerable.Repeat(AxisNullValue, AxisCount).ToArray();
Capabilities c = stick.Capabilities;
butstate = new bool[c.ButtonCount];
povvalue = Enumerable.Repeat(POVNotPressed, c.PovCount).ToArray();
slidercount = 0;
DeviceProperties p = stick.Properties;
jsi.VendorId = p.VendorId;
jsi.ProductId = p.ProductId;
// string s = p.PortDisplayName;
System.Diagnostics.Debug.WriteLine("JOY {0} {1} but {2} pov {3}", jsi.Name, jsi.Productguid, butstate.Length, povvalue.Length);
foreach (DeviceObjectInstance deviceObject in stick.GetObjects())
{
if ((deviceObject.ObjectId.Flags & DeviceObjectTypeFlags.Axis) != 0)
{
System.Guid guid = deviceObject.ObjectType;
//System.Diagnostics.Debug.WriteLine(" {0} {1} {2} {3} {4}", jsi.Name, deviceObject.UsagePage, deviceObject.Usage, deviceObject.Offset, guid.ToString());
if (guid == ObjectGuid.XAxis)
{
axispresent[(int)Axis.X] = true;
}
else if (guid == ObjectGuid.YAxis)
{
axispresent[(int)Axis.Y] = true;
}
else if (guid == ObjectGuid.ZAxis)
{
axispresent[(int)Axis.Z] = true;
}
else if (guid == ObjectGuid.RxAxis)
{
axispresent[(int)Axis.RX] = true;
}
else if (guid == ObjectGuid.RyAxis)
{
axispresent[(int)Axis.RY] = true;
}
else if (guid == ObjectGuid.RzAxis)
{
axispresent[(int)Axis.RZ] = true;
}
else if (guid == ObjectGuid.Slider)
{
int axisentry = (int)Axis.U + slidercount;
if (axisentry < AxisCount)
{
axispresent[axisentry] = true;
slidercount++; // must be sliders, only ones left with axis
//System.Diagnostics.Debug.WriteLine("Slider " + slidercount);
}
}
else
{
System.Diagnostics.Debug.WriteLine("Unknown Axis " + guid.ToString());
}
ObjectProperties o = stick.GetObjectPropertiesById(deviceObject.ObjectId);
o.Range = new InputRange(AxisMinRange, AxisMaxRange);
}
}
}
public bool AcquireJoystick(Guid guid)
{
try
{
if (_joystick != null)
{
_joystick.Unacquire();
_joystick = null;
}
var dinput = new DirectInput();
foreach (DeviceInstance device in dinput.GetDevices(DeviceClass.GameControl, DeviceEnumerationFlags.AttachedOnly))
{
if (device.InstanceGuid == guid)
{
_joystick = new SharpDX.DirectInput.Joystick(dinput, device.InstanceGuid);
}
}
if (_joystick != null)
{
foreach (DeviceObjectInstance deviceObject in _joystick.GetObjects())
{
//if ((deviceObject.ObjectType & ObjectDeviceType.Axis) != 0)
switch (deviceObject.ObjectId.Flags)
{
case DeviceObjectTypeFlags.Axis:
case DeviceObjectTypeFlags.AbsoluteAxis:
case DeviceObjectTypeFlags.RelativeAxis:
var ir = _joystick.GetObjectPropertiesById(deviceObject.ObjectId);
if (ir != null)
{
try
{
ir.Range = new InputRange(-100, 100);
}
catch (Exception ex)
{
MainForm.LogExceptionToFile(ex);
}
}
break;
}
}
_joystick.Acquire();
var cps = _joystick.Capabilities;
AxisCount = cps.AxeCount;
UpdateStatus();
}
}
catch (Exception ex)
{
MainForm.LogExceptionToFile(ex);
return(false);
}
return(true);
}
/// <summary>Gets a list of the attached joysticks.</summary>
/// <returns>A list of joysticks.</returns>
private List<DI.Joystick> GetAttachedJoysticks()
{
List<DI.Joystick> joysticks = new List<DI.Joystick>();
foreach(DI.DeviceInstance device in _directInput.GetDevices(DI.DeviceClass.GameControl, DI.DeviceEnumerationFlags.AttachedOnly))
{
try
{
DI.Joystick joystick = new DI.Joystick(_directInput, device.InstanceGuid);
joystick.Acquire();
IList<DI.DeviceObjectInstance> deviceObjects = joystick.GetObjects();
for(int i = 0; i < deviceObjects.Count; i++)
{
DI.DeviceObjectInstance deviceObjectInstance = deviceObjects[i];
if((deviceObjectInstance.ObjectId.Flags & DI.DeviceObjectTypeFlags.Axis) != 0)
joystick.GetObjectPropertiesById(deviceObjectInstance.ObjectId).Range = new DI.InputRange(-1000, 1000);
}
joysticks.Add(joystick);
}
catch(SharpDXException)
{
}
}
return joysticks;
}
/// <summary>
/// Function to retrieve the capabilities from the DirectInput joystick.
/// </summary>
/// <param name="joystick">The DirectInput joystick to evaluate.</param>
public void GetDeviceCaps(DI.Joystick joystick)
{
var defaults = new Dictionary <GamingDeviceAxis, int>(new GorgonGamingDeviceAxisEqualityComparer());
var axisRanges = new Dictionary <GamingDeviceAxis, GorgonRange>(new GorgonGamingDeviceAxisEqualityComparer());
ProductID = joystick.Properties.ProductId;
ManufacturerID = joystick.Properties.VendorId;
ButtonCount = joystick.Capabilities.ButtonCount;
POVCount = joystick.Capabilities.PovCount;
Capabilities = POVCount > 0 ? GamingDeviceCapabilityFlags.SupportsPOV : GamingDeviceCapabilityFlags.None;
IList <DI.DeviceObjectInstance> axisInfo = joystick.GetObjects(DI.DeviceObjectTypeFlags.Axis);
foreach (DI.DeviceObjectInstance axis in axisInfo)
{
var usage = (HIDUsage)axis.Usage;
DI.ObjectProperties properties = joystick.GetObjectPropertiesById(axis.ObjectId);
// Skip this axis if retrieving the properties results in failure.
if (properties == null)
{
continue;
}
var range = new GorgonRange(properties.Range.Minimum, properties.Range.Maximum);
int midPoint = ((range.Range + 1) / 2) + range.Minimum;
switch (usage)
{
case HIDUsage.X:
AxisMappings[GamingDeviceAxis.XAxis] = axis.ObjectId;
axisRanges[GamingDeviceAxis.XAxis] = range;
defaults[GamingDeviceAxis.XAxis] = range.Minimum < 0 ? 0 : midPoint;
break;
case HIDUsage.Y:
AxisMappings[GamingDeviceAxis.YAxis] = axis.ObjectId;
axisRanges[GamingDeviceAxis.YAxis] = range;
defaults[GamingDeviceAxis.YAxis] = range.Minimum < 0 ? 0 : midPoint;
break;
case HIDUsage.Slider:
AxisMappings[GamingDeviceAxis.Throttle] = axis.ObjectId;
axisRanges[GamingDeviceAxis.Throttle] = range;
defaults[GamingDeviceAxis.Throttle] = 0;
Capabilities |= GamingDeviceCapabilityFlags.SupportsThrottle;
break;
case HIDUsage.Z:
AxisMappings[GamingDeviceAxis.ZAxis] = axis.ObjectId;
axisRanges[GamingDeviceAxis.ZAxis] = range;
defaults[GamingDeviceAxis.ZAxis] = range.Minimum < 0 ? 0 : midPoint;
Capabilities |= GamingDeviceCapabilityFlags.SupportsZAxis;
break;
case HIDUsage.RelativeX:
AxisMappings[GamingDeviceAxis.XAxis2] = axis.ObjectId;
axisRanges[GamingDeviceAxis.XAxis2] = range;
Capabilities |= GamingDeviceCapabilityFlags.SupportsSecondaryXAxis;
defaults[GamingDeviceAxis.XAxis2] = midPoint;
break;
case HIDUsage.RelativeY:
AxisMappings[GamingDeviceAxis.YAxis2] = axis.ObjectId;
axisRanges[GamingDeviceAxis.YAxis2] = range;
Capabilities |= GamingDeviceCapabilityFlags.SupportsSecondaryYAxis;
defaults[GamingDeviceAxis.YAxis2] = midPoint;
break;
case HIDUsage.RelativeZ:
AxisMappings[GamingDeviceAxis.ZAxis2] = axis.ObjectId;
axisRanges[GamingDeviceAxis.ZAxis2] = range;
Capabilities |= GamingDeviceCapabilityFlags.SupportsRudder;
defaults[GamingDeviceAxis.ZAxis2] = 0;
break;
}
}
AxisInfo = new GorgonGamingDeviceAxisList <GorgonGamingDeviceAxisInfo>(
axisRanges.Select(item => new GorgonGamingDeviceAxisInfo(item.Key, item.Value, defaults[item.Key])));
}
