private void InitializeAsKeyboard(ScreenAccess ParentForm, InputDeviceAccess.TypeOfDevices NewTypeOfDevice)
{
try
{
this.device = new DirectInput.Device(DirectInput.SystemGuid.Keyboard);
this.device.SetCooperativeLevel
(
ParentForm,
DirectInput.CooperativeLevelFlags.Background |
DirectInput.CooperativeLevelFlags.NonExclusive
);
device.Acquire();
this._TypeOfDevice = NewTypeOfDevice;
//Determine how many users are suited for this device
this._DeviceUserMax = 2;
// Get space in the keytable for the number of device users
this.KeyTable = new System.Collections.Hashtable[this._DeviceUserMax];
//record guid as used
InputDeviceAccess.AssignedGuids.Add(this.device.DeviceInformation.InstanceGuid);
}
catch (Exception err)
{
throw err;
}
}
private void InitializeAsGamePad(ScreenAccess ParentForm, InputDeviceAccess.TypeOfDevices NewTypeOfDevice)
{
//Check to see if this type of device is available and try to get it for this user
try
{
//Grab first attached gamepad that isnt already assigned
foreach (DirectInput.DeviceInstance CurrDeviceInstance in DirectInput.Manager.GetDevices(DirectInput.DeviceClass.GameControl, DirectInput.EnumDevicesFlags.AttachedOnly))
{
if (InputDeviceAccess.IsFreeDeviceGuid(CurrDeviceInstance.InstanceGuid) == true)
{
this.device = new DirectInput.Device(CurrDeviceInstance.InstanceGuid);
//If this device is dead throw an exception
if (this.device == null)
{
throw new Exception("found a gamepad GUID, but when we tried to make a device from it it was null");
}
else
{
break;
}
}
}
//throw an exception if there is no device
if (this.device == null)
{
throw new Exception("A gamepad was assigned as an input device, but none were found.");
}
//Setup device
this._TypeOfDevice = NewTypeOfDevice;
this.device.SetDataFormat(DirectInput.DeviceDataFormat.Joystick);
this.device.SetCooperativeLevel(ParentForm, DirectInput.CooperativeLevelFlags.Background | DirectInput.CooperativeLevelFlags.NonExclusive);
this.device.Properties.AxisModeAbsolute = true;
this.device.Acquire();
//Determine how many users are suited for this device
this._DeviceUserMax = 1;
// Get space in the keytable for the number of device users
this.KeyTable = new System.Collections.Hashtable[this._DeviceUserMax];
//record guid as used
InputDeviceAccess.AssignedGuids.Add(this.device.DeviceInformation.InstanceGuid);
//Get the keys just so PressedKeys wont be null
this.PollInput();
}
catch (Exception err)
{
throw err;
}
}
public ControllerIdType GetNewGamepadInstance(int KeyUp, int KeyDown, int KeyLeft, int KeyRight, int KeyAttack)
{
System.Collections.Hashtable KeyTable = new System.Collections.Hashtable();
KeyTable[InputDeviceAccess.GameKeys.Up] = KeyUp;
KeyTable[InputDeviceAccess.GameKeys.Down] = KeyDown;
KeyTable[InputDeviceAccess.GameKeys.Left] = KeyLeft;
KeyTable[InputDeviceAccess.GameKeys.Right] = KeyRight;
KeyTable[InputDeviceAccess.GameKeys.Attack] = KeyAttack;
InputDeviceAccess.TypeOfDevices TypeOfDevice = InputDeviceAccess.TypeOfDevices.Gamepad;
return(this.InitializeDevice(TypeOfDevice, KeyTable));
}
public InputDeviceAccess(ScreenAccess ParentForm, InputDeviceAccess.TypeOfDevices TypeOfDevice)
{
if (TypeOfDevice == InputDeviceAccess.TypeOfDevices.Keyboard)
{
this.InitializeAsKeyboard(ParentForm, TypeOfDevice);
}
else if (TypeOfDevice == InputDeviceAccess.TypeOfDevices.Gamepad)
{
this.InitializeAsGamePad(ParentForm, TypeOfDevice);
}
else if (TypeOfDevice == InputDeviceAccess.TypeOfDevices.Mouse)
{
throw new System.Exception("mouse not yet added to InputDeviceAccess");
}
}
private ControllerIdType InitializeDevice(InputDeviceAccess.TypeOfDevices TypeOfDevice, System.Collections.Hashtable NewKeyTable)
{
InputDeviceAccess CurrDevice = null;
ControllerIdType NewControllerId = new ControllerIdType();
//If the desired device is a keyboard and another keyboard has available users
// assign this user to the same keyboard.
if (TypeOfDevice == InputDeviceAccess.TypeOfDevices.Keyboard)
{
foreach (InputDeviceAccess ExistingDevice in this.Devices)
{
if (ExistingDevice.TypeOfDevice == InputDeviceAccess.TypeOfDevices.Keyboard &&
ExistingDevice.DeviceUserCount < ExistingDevice.DeviceUserMax)
{
CurrDevice = ExistingDevice;
}
}
}
//create device
if (CurrDevice == null)
{
CurrDevice = new InputDeviceAccess(this.ParentForm, TypeOfDevice);
}
//controller info: guid & device user id
NewControllerId.DeviceGuid = CurrDevice.Guid;
NewControllerId.DeviceUserId = CurrDevice.GetNextUserId();
//Save ControllerId and Device
this.ControllerIds.Add(NewControllerId);
this.Devices.Add(CurrDevice);
//Send device new keytable
CurrDevice.SetKeyTable(NewKeyTable, NewControllerId.DeviceUserId);
//Poll the device to give it some keys to check
CurrDevice.PollInput();
return(NewControllerId);
}
