/// <summary>Get the command assigned to the specified gamepad axis.</summary>
/// <param name="axis">The axis to test.</param>
/// <returns>The command, or the default value if there is no such binding.</returns>
public TCommand GetCommand(ExtendedAxes axis)
{
TCommand command;
_gamePadAxisBindings.TryGetValue(axis, out command);
return(command);
}
/// <summary>Maps the axes of the joystick</summary>
/// <param name="joystick">Joystick for which axes are mapped</param>
private void mapAxes(Joystick joystick)
{
IList <DeviceObjectInstance> axes = joystick.GetObjects(
ObjectDeviceType.AbsoluteAxis
);
var unmappedReaders = new Queue <IAxisReader>();
for (int index = 0; index < axes.Count; ++index)
{
if (axes[index].ObjectTypeGuid != ObjectGuid.Slider)
{
ExtendedAxes axis = identifyAxis(
axes[index].Aspect, axes[index].ObjectTypeGuid
);
// If this axis could not be identified but we're still missing one of
// the standard axes (X, Y, Rx, Ry), remember it so we can later map it
// to the next unassigned standard axes in case some are left unassigned.
if (axis == 0)
{
if (unmappedReaders.Count < 4)
{
unmappedReaders.Enqueue(createAxisReader(joystick, axis, axes[index]));
}
}
else // Axis identified, build reader and store it
{
this.availableAxes |= axis;
this.axisReaders[indexFromAxis(axis)] = createAxisReader(
joystick, axis, axes[index]
);
}
} // if
} // for
// If the four standard axes are still not completely provided, use
// the unidentified axis we remembered earlier as a fallback solution.
if ((this.axisReaders[0] == null) && (unmappedReaders.Count > 0))
{
this.availableAxes |= ExtendedAxes.X;
this.axisReaders[0] = unmappedReaders.Dequeue();
}
if ((this.axisReaders[1] == null) && (unmappedReaders.Count > 0))
{
this.availableAxes |= ExtendedAxes.Y;
this.axisReaders[1] = unmappedReaders.Dequeue();
}
if ((this.axisReaders[12] == null) && (unmappedReaders.Count > 0))
{
this.availableAxes |= ExtendedAxes.RotationX;
this.axisReaders[12] = unmappedReaders.Dequeue();
}
if ((this.axisReaders[13] == null) && (unmappedReaders.Count > 0))
{
this.availableAxes |= ExtendedAxes.RotationY;
this.axisReaders[13] = unmappedReaders.Dequeue();
}
}
/// <summary>Returns the axis index from a value in the axis enumeration</summary>
/// <param name="axis">Axis enumeration values whose index will be returned</param>
/// <returns>The index of the specified axis enumeration value</returns>
private static int indexFromAxis(ExtendedAxes axis)
{
switch (axis)
{
case ExtendedAxes.X: { return(0); }
case ExtendedAxes.Y: { return(1); }
case ExtendedAxes.Z: { return(2); }
case ExtendedAxes.VelocityX: { return(3); }
case ExtendedAxes.VelocityY: { return(4); }
case ExtendedAxes.VelocityZ: { return(5); }
case ExtendedAxes.AccelerationX: { return(6); }
case ExtendedAxes.AccelerationY: { return(7); }
case ExtendedAxes.AccelerationZ: { return(8); }
case ExtendedAxes.ForceX: { return(9); }
case ExtendedAxes.ForceY: { return(10); }
case ExtendedAxes.ForceZ: { return(11); }
case ExtendedAxes.RotationX: { return(12); }
case ExtendedAxes.RotationY: { return(13); }
case ExtendedAxes.RotationZ: { return(14); }
case ExtendedAxes.AngularVelocityX: { return(15); }
case ExtendedAxes.AngularVelocityY: { return(16); }
case ExtendedAxes.AngularVelocityZ: { return(17); }
case ExtendedAxes.AngularAccelerationX: { return(18); }
case ExtendedAxes.AngularAccelerationY: { return(19); }
case ExtendedAxes.AngularAccelerationZ: { return(20); }
case ExtendedAxes.TorqueX: { return(21); }
case ExtendedAxes.TorqueY: { return(22); }
case ExtendedAxes.TorqueZ: { return(23); }
default: { return(-1); }
}
}
/// <summary>Retrieves the state of the specified axis</summary>
/// <param name="axis">Axis whose state will be retrieved</param>
/// <returns>The state of the specified axis</returns>
public float GetAxis(ExtendedAxes axis)
{
switch (axis)
{
case ExtendedAxes.X: { return(this.X); }
case ExtendedAxes.Y: { return(this.Y); }
case ExtendedAxes.Z: { return(this.Z); }
case ExtendedAxes.VelocityX: { return(this.VelocityX); }
case ExtendedAxes.VelocityY: { return(this.VelocityY); }
case ExtendedAxes.VelocityZ: { return(this.VelocityZ); }
case ExtendedAxes.AccelerationX: { return(this.AccelerationX); }
case ExtendedAxes.AccelerationY: { return(this.AccelerationY); }
case ExtendedAxes.AccelerationZ: { return(this.AccelerationZ); }
case ExtendedAxes.ForceX: { return(this.ForceX); }
case ExtendedAxes.ForceY: { return(this.ForceY); }
case ExtendedAxes.ForceZ: { return(this.ForceZ); }
case ExtendedAxes.RotationX: { return(this.RotationX); }
case ExtendedAxes.RotationY: { return(this.RotationY); }
case ExtendedAxes.RotationZ: { return(this.RotationZ); }
case ExtendedAxes.AngularVelocityX: { return(this.AngularVelocityX); }
case ExtendedAxes.AngularVelocityY: { return(this.AngularVelocityY); }
case ExtendedAxes.AngularVelocityZ: { return(this.AngularVelocityZ); }
case ExtendedAxes.AngularAccelerationX: { return(this.AngularAccelerationX); }
case ExtendedAxes.AngularAccelerationY: { return(this.AngularAccelerationY); }
case ExtendedAxes.AngularAccelerationZ: { return(this.AngularAccelerationZ); }
case ExtendedAxes.TorqueX: { return(this.TorqueX); }
case ExtendedAxes.TorqueY: { return(this.TorqueY); }
case ExtendedAxes.TorqueZ: { return(this.TorqueZ); }
default: { throw new ArgumentOutOfRangeException("axis", "Invalid axis"); }
}
}
/// <summary>Add a new gamepad axis binding.</summary>
/// <param name="command">The command that should be triggered.</param>
/// <param name="axis">The gamepad axis for which to trigger the command.</param>
public void Add(TCommand command, ExtendedAxes axis)
{
var bindings = GetBindings(command, true);
if (bindings.GamePadAxes.Contains(axis))
{
return;
}
bindings.GamePadAxes.Add(axis);
_gamePadAxisBindings.Add(axis, command);
}
/// <summary>Initializes a new extended game pas state to the provided values</summary>
/// <param name="availableAxes">Bit mask of the axes made available in the state</param>
/// <param name="axes">
/// Values of all 24 axes in the order they appear in the ExtendedAxes enumeration
/// </param>
/// <param name="availableSliders">Bit mask of the slider provided by the state</param>
/// <param name="sliders">
/// Values of all 8 sliders in the order they appear in the ExtendedSliders enumeration
/// </param>
/// <param name="buttonCount">Number of buttons provided by the state</param>
/// <param name="buttons">State of all 128 buttons in the state</param>
/// <param name="povCount">Number of Point-of-View controllers in the state</param>
/// <param name="povs">State of all 4 Point-of-View controllers</param>
public ExtendedGamePadState(
ExtendedAxes availableAxes, float[] /*24*/ axes,
ExtendedSliders availableSliders, float[] /*8*/ sliders,
int buttonCount, bool[] /*128*/ buttons,
int povCount, int[] /*4*/ povs
)
{
// Take over all axes
this.AvailableAxes = availableAxes;
this.X = axes[0];
this.Y = axes[1];
this.Z = axes[2];
this.VelocityX = axes[3];
this.VelocityY = axes[4];
this.VelocityZ = axes[5];
this.AccelerationX = axes[6];
this.AccelerationY = axes[7];
this.AccelerationZ = axes[8];
this.ForceX = axes[9];
this.ForceY = axes[10];
this.ForceZ = axes[11];
this.RotationX = axes[12];
this.RotationY = axes[13];
this.RotationZ = axes[14];
this.AngularVelocityX = axes[15];
this.AngularVelocityY = axes[16];
this.AngularVelocityZ = axes[17];
this.AngularAccelerationX = axes[18];
this.AngularAccelerationY = axes[19];
this.AngularAccelerationZ = axes[20];
this.TorqueX = axes[21];
this.TorqueY = axes[22];
this.TorqueZ = axes[23];
// Take over all sliders
this.AvailableSliders = availableSliders;
this.Slider1 = sliders[0];
this.Slider2 = sliders[1];
this.VelocitySlider1 = sliders[2];
this.VelocitySlider2 = sliders[3];
this.AccelerationSlider1 = sliders[4];
this.AccelerationSlider2 = sliders[5];
this.ForceSlider1 = sliders[6];
this.ForceSlider2 = sliders[7];
// Take over all buttons
this.ButtonCount = buttonCount;
this.buttonState1 = 0;
for (int index = 0; index < Math.Min(64, buttonCount); ++index)
{
if (buttons[index])
{
this.buttonState1 |= (1UL << index);
}
}
this.buttonState2 = 0;
for (int index = 0; index < (buttonCount - 64); ++index)
{
if (buttons[index + 64])
{
this.buttonState2 |= (1UL << index);
}
}
// Take over all PoV controllers
this.PovCount = povCount;
this.Pov1 = povs[0];
this.Pov2 = povs[1];
this.Pov3 = povs[2];
this.Pov4 = povs[3];
}
/// <summary>Creates an axis reader for the specified object</summary>
/// <param name="joystick">Joystick providing the control object</param>
/// <param name="axis">Axis a reader will be created for</param>
/// <param name="control">Control description for the axis</param>
/// <returns>A new axis reader for the specified axis</returns>
private static IAxisReader createAxisReader(
Joystick joystick, ExtendedAxes axis, DeviceObjectInstance control
)
{
int id = (int)control.ObjectType;
ObjectProperties properties = joystick.GetObjectPropertiesById(id);
int min = properties.LowerRange;
int max = properties.UpperRange;
switch (axis) {
case ExtendedAxes.X: {
return new XAxisReader(min, max);
}
case ExtendedAxes.Y: {
return new YAxisReader(min, max);
}
case ExtendedAxes.Z: {
return new ZAxisReader(min, max);
}
case ExtendedAxes.VelocityX: {
return new VelocityXAxisReader(min, max);
}
case ExtendedAxes.VelocityY: {
return new VelocityYAxisReader(min, max);
}
case ExtendedAxes.VelocityZ: {
return new VelocityZAxisReader(min, max);
}
case ExtendedAxes.AccelerationX: {
return new AccelerationXAxisReader(min, max);
}
case ExtendedAxes.AccelerationY: {
return new AccelerationYAxisReader(min, max);
}
case ExtendedAxes.AccelerationZ: {
return new AccelerationZAxisReader(min, max);
}
case ExtendedAxes.ForceX: {
return new ForceXAxisReader(min, max);
}
case ExtendedAxes.ForceY: {
return new ForceYAxisReader(min, max);
}
case ExtendedAxes.ForceZ: {
return new ForceZAxisReader(min, max);
}
case ExtendedAxes.RotationX: {
return new RotationXAxisReader(min, max);
}
case ExtendedAxes.RotationY: {
return new RotationYAxisReader(min, max);
}
case ExtendedAxes.RotationZ: {
return new RotationZAxisReader(min, max);
}
case ExtendedAxes.AngularVelocityX: {
return new AngularVelocityXAxisReader(min, max);
}
case ExtendedAxes.AngularVelocityY: {
return new AngularVelocityYAxisReader(min, max);
}
case ExtendedAxes.AngularVelocityZ: {
return new AngularVelocityZAxisReader(min, max);
}
case ExtendedAxes.AngularAccelerationX: {
return new AngularAccelerationXAxisReader(min, max);
}
case ExtendedAxes.AngularAccelerationY: {
return new AngularAccelerationYAxisReader(min, max);
}
case ExtendedAxes.AngularAccelerationZ: {
return new AngularAccelerationZAxisReader(min, max);
}
case ExtendedAxes.TorqueX: {
return new TorqueXAxisReader(min, max);
}
case ExtendedAxes.TorqueY: {
return new TorqueYAxisReader(min, max);
}
case ExtendedAxes.TorqueZ: {
return new TorqueZAxisReader(min, max);
}
default: {
return null;
}
}
}
/// <summary>Returns the axis index from a value in the axis enumeration</summary>
/// <param name="axis">Axis enumeration values whose index will be returned</param>
/// <returns>The index of the specified axis enumeration value</returns>
private static int indexFromAxis(ExtendedAxes axis)
{
switch (axis) {
case ExtendedAxes.X: { return 0; }
case ExtendedAxes.Y: { return 1; }
case ExtendedAxes.Z: { return 2; }
case ExtendedAxes.VelocityX: { return 3; }
case ExtendedAxes.VelocityY: { return 4; }
case ExtendedAxes.VelocityZ: { return 5; }
case ExtendedAxes.AccelerationX: { return 6; }
case ExtendedAxes.AccelerationY: { return 7; }
case ExtendedAxes.AccelerationZ: { return 8; }
case ExtendedAxes.ForceX: { return 9; }
case ExtendedAxes.ForceY: { return 10; }
case ExtendedAxes.ForceZ: { return 11; }
case ExtendedAxes.RotationX: { return 12; }
case ExtendedAxes.RotationY: { return 13; }
case ExtendedAxes.RotationZ: { return 14; }
case ExtendedAxes.AngularVelocityX: { return 15; }
case ExtendedAxes.AngularVelocityY: { return 16; }
case ExtendedAxes.AngularVelocityZ: { return 17; }
case ExtendedAxes.AngularAccelerationX: { return 18; }
case ExtendedAxes.AngularAccelerationY: { return 19; }
case ExtendedAxes.AngularAccelerationZ: { return 20; }
case ExtendedAxes.TorqueX: { return 21; }
case ExtendedAxes.TorqueY: { return 22; }
case ExtendedAxes.TorqueZ: { return 23; }
default: { return -1; }
}
}
/// <summary>Initializes a new mocked game pad</summary>
public MockedGamePad()
{
this.states = new Queue<ExtendedGamePadState>();
this.current = new ExtendedGamePadState();
this.buttonStates = new bool[128];
this.axisStates = new float[24];
this.sliderStates = new float[8];
this.povStates = new int[4] { -1, -1, -1, -1 };
this.buttonCount = 11;
this.availableAxes =
ExtendedAxes.X | ExtendedAxes.Y |
ExtendedAxes.RotationX | ExtendedAxes.RotationY;
this.availableSliders =
ExtendedSliders.Slider1 | ExtendedSliders.Slider2;
this.povCount = 1;
}
/// <summary>Moves an axis to the specified position</summary>
/// <param name="axis">Axis that will be moved</param>
/// <param name="position">
/// Position the axis will be moved to in the range from -1.0 to +1.0
/// </param>
public void MoveAxis(ExtendedAxes axis, float position)
{
if ((axis & this.availableAxes) != axis) {
throw new ArgumentException(
"Not such axis - did you forget to assign the AvailableAxes property?",
"axis"
);
}
switch (axis) {
case ExtendedAxes.X: { this.axisStates[0] = position; break; }
case ExtendedAxes.Y: { this.axisStates[1] = position; break; }
case ExtendedAxes.Z: { this.axisStates[2] = position; break; }
case ExtendedAxes.VelocityX: { this.axisStates[3] = position; break; }
case ExtendedAxes.VelocityY: { this.axisStates[4] = position; break; }
case ExtendedAxes.VelocityZ: { this.axisStates[5] = position; break; }
case ExtendedAxes.AccelerationX: { this.axisStates[6] = position; break; }
case ExtendedAxes.AccelerationY: { this.axisStates[7] = position; break; }
case ExtendedAxes.AccelerationZ: { this.axisStates[8] = position; break; }
case ExtendedAxes.ForceX: { this.axisStates[9] = position; break; }
case ExtendedAxes.ForceY: { this.axisStates[10] = position; break; }
case ExtendedAxes.ForceZ: { this.axisStates[11] = position; break; }
case ExtendedAxes.RotationX: { this.axisStates[12] = position; break; }
case ExtendedAxes.RotationY: { this.axisStates[13] = position; break; }
case ExtendedAxes.RotationZ: { this.axisStates[14] = position; break; }
case ExtendedAxes.AngularVelocityX: { this.axisStates[15] = position; break; }
case ExtendedAxes.AngularVelocityY: { this.axisStates[16] = position; break; }
case ExtendedAxes.AngularVelocityZ: { this.axisStates[17] = position; break; }
case ExtendedAxes.AngularAccelerationX: { this.axisStates[18] = position; break; }
case ExtendedAxes.AngularAccelerationY: { this.axisStates[19] = position; break; }
case ExtendedAxes.AngularAccelerationZ: { this.axisStates[20] = position; break; }
case ExtendedAxes.TorqueX: { this.axisStates[21] = position; break; }
case ExtendedAxes.TorqueY: { this.axisStates[22] = position; break; }
case ExtendedAxes.TorqueZ: { this.axisStates[23] = position; break; }
default: {
throw new ArgumentException("Invalid axis specified", "axis");
}
}
}
/// <summary>Maps the axes of the joystick</summary>
/// <param name="joystick">Joystick for which axes are mapped</param>
private void mapAxes(Joystick joystick)
{
IList<DeviceObjectInstance> axes = joystick.GetObjects(
ObjectDeviceType.AbsoluteAxis
);
var unmappedReaders = new Queue<IAxisReader>();
for (int index = 0; index < axes.Count; ++index) {
if (axes[index].ObjectTypeGuid != ObjectGuid.Slider) {
ExtendedAxes axis = identifyAxis(
axes[index].Aspect, axes[index].ObjectTypeGuid
);
// If this axis could not be identified but we're still missing one of
// the standard axes (X, Y, Rx, Ry), remember it so we can later map it
// to the next unassigned standard axes in case some are left unassigned.
if (axis == 0) {
if (unmappedReaders.Count < 4) {
unmappedReaders.Enqueue(createAxisReader(joystick, axis, axes[index]));
}
} else { // Axis identified, build reader and store it
this.availableAxes |= axis;
this.axisReaders[indexFromAxis(axis)] = createAxisReader(
joystick, axis, axes[index]
);
}
} // if
} // for
// If the four standard axes are still not completely provided, use
// the unidentified axis we remembered earlier as a fallback solution.
if ((this.axisReaders[0] == null) && (unmappedReaders.Count > 0)) {
this.availableAxes |= ExtendedAxes.X;
this.axisReaders[0] = unmappedReaders.Dequeue();
}
if ((this.axisReaders[1] == null) && (unmappedReaders.Count > 0)) {
this.availableAxes |= ExtendedAxes.Y;
this.axisReaders[1] = unmappedReaders.Dequeue();
}
if ((this.axisReaders[12] == null) && (unmappedReaders.Count > 0)) {
this.availableAxes |= ExtendedAxes.RotationX;
this.axisReaders[12] = unmappedReaders.Dequeue();
}
if ((this.axisReaders[13] == null) && (unmappedReaders.Count > 0)) {
this.availableAxes |= ExtendedAxes.RotationY;
this.axisReaders[13] = unmappedReaders.Dequeue();
}
}
/// <summary>Creates an axis reader for the specified object</summary>
/// <param name="joystick">Joystick providing the control object</param>
/// <param name="axis">Axis a reader will be created for</param>
/// <param name="control">Control description for the axis</param>
/// <returns>A new axis reader for the specified axis</returns>
private static IAxisReader createAxisReader(
Joystick joystick, ExtendedAxes axis, DeviceObjectInstance control
)
{
int id = (int)control.ObjectType;
ObjectProperties properties = joystick.GetObjectPropertiesById(id);
int min = properties.LowerRange;
int max = properties.UpperRange;
switch (axis)
{
case ExtendedAxes.X: {
return(new XAxisReader(min, max));
}
case ExtendedAxes.Y: {
return(new YAxisReader(min, max));
}
case ExtendedAxes.Z: {
return(new ZAxisReader(min, max));
}
case ExtendedAxes.VelocityX: {
return(new VelocityXAxisReader(min, max));
}
case ExtendedAxes.VelocityY: {
return(new VelocityYAxisReader(min, max));
}
case ExtendedAxes.VelocityZ: {
return(new VelocityZAxisReader(min, max));
}
case ExtendedAxes.AccelerationX: {
return(new AccelerationXAxisReader(min, max));
}
case ExtendedAxes.AccelerationY: {
return(new AccelerationYAxisReader(min, max));
}
case ExtendedAxes.AccelerationZ: {
return(new AccelerationZAxisReader(min, max));
}
case ExtendedAxes.ForceX: {
return(new ForceXAxisReader(min, max));
}
case ExtendedAxes.ForceY: {
return(new ForceYAxisReader(min, max));
}
case ExtendedAxes.ForceZ: {
return(new ForceZAxisReader(min, max));
}
case ExtendedAxes.RotationX: {
return(new RotationXAxisReader(min, max));
}
case ExtendedAxes.RotationY: {
return(new RotationYAxisReader(min, max));
}
case ExtendedAxes.RotationZ: {
return(new RotationZAxisReader(min, max));
}
case ExtendedAxes.AngularVelocityX: {
return(new AngularVelocityXAxisReader(min, max));
}
case ExtendedAxes.AngularVelocityY: {
return(new AngularVelocityYAxisReader(min, max));
}
case ExtendedAxes.AngularVelocityZ: {
return(new AngularVelocityZAxisReader(min, max));
}
case ExtendedAxes.AngularAccelerationX: {
return(new AngularAccelerationXAxisReader(min, max));
}
case ExtendedAxes.AngularAccelerationY: {
return(new AngularAccelerationYAxisReader(min, max));
}
case ExtendedAxes.AngularAccelerationZ: {
return(new AngularAccelerationZAxisReader(min, max));
}
case ExtendedAxes.TorqueX: {
return(new TorqueXAxisReader(min, max));
}
case ExtendedAxes.TorqueY: {
return(new TorqueYAxisReader(min, max));
}
case ExtendedAxes.TorqueZ: {
return(new TorqueZAxisReader(min, max));
}
default: {
return(null);
}
}
}
/// <summary>Moves an axis to the specified position</summary>
/// <param name="axis">Axis that will be moved</param>
/// <param name="position">
/// Position the axis will be moved to in the range from -1.0 to +1.0
/// </param>
public void MoveAxis(ExtendedAxes axis, float position)
{
if ((axis & this.availableAxes) != axis)
{
throw new ArgumentException(
"Not such axis - did you forget to assign the AvailableAxes property?",
"axis"
);
}
switch (axis)
{
case ExtendedAxes.X: { this.axisStates[0] = position; break; }
case ExtendedAxes.Y: { this.axisStates[1] = position; break; }
case ExtendedAxes.Z: { this.axisStates[2] = position; break; }
case ExtendedAxes.VelocityX: { this.axisStates[3] = position; break; }
case ExtendedAxes.VelocityY: { this.axisStates[4] = position; break; }
case ExtendedAxes.VelocityZ: { this.axisStates[5] = position; break; }
case ExtendedAxes.AccelerationX: { this.axisStates[6] = position; break; }
case ExtendedAxes.AccelerationY: { this.axisStates[7] = position; break; }
case ExtendedAxes.AccelerationZ: { this.axisStates[8] = position; break; }
case ExtendedAxes.ForceX: { this.axisStates[9] = position; break; }
case ExtendedAxes.ForceY: { this.axisStates[10] = position; break; }
case ExtendedAxes.ForceZ: { this.axisStates[11] = position; break; }
case ExtendedAxes.RotationX: { this.axisStates[12] = position; break; }
case ExtendedAxes.RotationY: { this.axisStates[13] = position; break; }
case ExtendedAxes.RotationZ: { this.axisStates[14] = position; break; }
case ExtendedAxes.AngularVelocityX: { this.axisStates[15] = position; break; }
case ExtendedAxes.AngularVelocityY: { this.axisStates[16] = position; break; }
case ExtendedAxes.AngularVelocityZ: { this.axisStates[17] = position; break; }
case ExtendedAxes.AngularAccelerationX: { this.axisStates[18] = position; break; }
case ExtendedAxes.AngularAccelerationY: { this.axisStates[19] = position; break; }
case ExtendedAxes.AngularAccelerationZ: { this.axisStates[20] = position; break; }
case ExtendedAxes.TorqueX: { this.axisStates[21] = position; break; }
case ExtendedAxes.TorqueY: { this.axisStates[22] = position; break; }
case ExtendedAxes.TorqueZ: { this.axisStates[23] = position; break; }
default: {
throw new ArgumentException("Invalid axis specified", "axis");
}
}
}
