/// <summary>
/// Checks current joystick direction, to calculate, which button is pressed.
/// </summary>
/// <param name="msg">Current Zeemote message</param>
/// <returns>
/// 0 - no direction,
/// 1 - left,
/// 2 - right,
/// 3 - up,
/// 4 - down</returns>
private int FindJoystickDirection(ZeemoteMessage msg)
{
// Define which direction is prevailed, to press apropriate button, get dead zone in account
// No, Left, Right, Up, Down
int[] directions = new int[5];
directions[0] = JoystickDeadZone;
directions[1] = (Math.Abs(msg.JoystickX) > JoystickDeadZone) && msg.JoystickX < 0 ? Math.Abs(msg.JoystickX) : 0;
directions[2] = (Math.Abs(msg.JoystickX) > JoystickDeadZone) && msg.JoystickX > 0 ? msg.JoystickX : 0;
directions[3] = (Math.Abs(msg.JoystickY) > JoystickDeadZone) && msg.JoystickY < 0 ? Math.Abs(msg.JoystickY) : 0;;
directions[4] = (Math.Abs(msg.JoystickY) > JoystickDeadZone) && msg.JoystickY > 0 ? msg.JoystickY : 0;
int direction = 0;
// Define direction
for (int i = 0; i < directions.Length; i++)
{
if (directions[i] > directions[direction])
{
direction = i;
}
}
return(direction);
}
/// <summary>
/// Analizes hot key message.
/// Understands what keys have been pressed or released
/// </summary>
/// <param name="msg"></param>
public void AnalyzeKeys(ZeemoteMessage msg)
{
// If there are buttons touched in message
if (msg.ButtonsTouched)
{
if (!msg.ButtonA && curZeemoteKeys.A)
{
curZeemoteKeys.A = msg.ButtonA;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeA));
}
}
else if (msg.ButtonA && !curZeemoteKeys.A)
{
curZeemoteKeys.A = msg.ButtonA;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeA));
}
}
if (!msg.ButtonB && curZeemoteKeys.B)
{
curZeemoteKeys.B = msg.ButtonB;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeB));
}
}
else if (msg.ButtonB && !curZeemoteKeys.B)
{
curZeemoteKeys.B = msg.ButtonB;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeB));
}
}
if (!msg.ButtonC && curZeemoteKeys.C)
{
curZeemoteKeys.C = msg.ButtonC;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeC));
}
}
else if (msg.ButtonC && !curZeemoteKeys.C)
{
curZeemoteKeys.C = msg.ButtonC;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeC));
}
}
if (!msg.ButtonD && curZeemoteKeys.D)
{
curZeemoteKeys.D = msg.ButtonD;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeD));
}
}
else if (msg.ButtonD && !curZeemoteKeys.D)
{
curZeemoteKeys.D = msg.ButtonD;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeD));
}
}
}
else // Joystick was touched
{
int direction = FindJoystickDirection(msg);
// 0 - no; 1 - left; 2 - right; 3 - up; 4 - down.
if (direction != 1 && curZeemoteKeys.JoyLeft)
{
curZeemoteKeys.JoyLeft = false;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyLeft));
}
}
else if (direction == 1 && !curZeemoteKeys.JoyLeft)
{
curZeemoteKeys.JoyLeft = true;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyLeft));
}
}
if (direction != 2 && curZeemoteKeys.JoyRight)
{
curZeemoteKeys.JoyRight = false;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyRight));
}
}
else if (direction == 2 && !curZeemoteKeys.JoyRight)
{
curZeemoteKeys.JoyRight = true;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyRight));
}
}
if (direction != 3 && curZeemoteKeys.JoyUp)
{
curZeemoteKeys.JoyUp = false;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyUp));
}
}
else if (direction == 3 && !curZeemoteKeys.JoyUp)
{
curZeemoteKeys.JoyUp = true;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyUp));
}
}
if (direction != 4 && curZeemoteKeys.JoyDown)
{
curZeemoteKeys.JoyDown = false;
if (KeyUp != null)
{
KeyUp.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyDown));
}
}
else if (direction == 4 && !curZeemoteKeys.JoyDown)
{
curZeemoteKeys.JoyDown = true;
if (KeyDown != null)
{
KeyDown.Invoke(this, new ZeemoteKeysArgs(ZeemoteKeys.KeyCodeJoyDown));
}
}
}
}
/// <summary>
/// Dispatch zeemote message
/// </summary>
/// <param name="message"></param>
/// <param name="numberOfBytes"></param>
public void DispatchBluetoothMessage(byte[] message, int numberOfBytes)
{
ZeemoteMessage msg = new ZeemoteMessage();
if ((numberOfBytes == 8) &&
(message[0] == 7 && message[1] == 161 && message[2] == 5 && message[3] == 255))
{
// Device is connected.
}
// Check if message about button
else if ((numberOfBytes == 9) &&
(message[0] == 8 && message[1] == 161 && message[2] == 7))
{
for (int i = 3; i <= 6; i++)
{
if (message[i] == 0)
{
msg.ButtonA = true;
}
else if (message[i] == 1)
{
msg.ButtonB = true;
}
else if (message[i] == 2)
{
msg.ButtonC = true;
}
else if (message[i] == 3)
{
msg.ButtonD = true;
}
}
// Button was touched even if there are no messages about it.
// That means, button was repeased.
msg.ButtonsTouched = true;
msg.Touched = true;
}
// Battery charge message
else if (numberOfBytes == 5)
{
try
{
string batteryStatus = "Voltage " + BitConverter.ToUInt16(new byte[] { message[4], message[3]}, 0).ToString();
// Currently write battery status to log file, to get the info, when battery dies
//SimpleLog.Write(batteryStatus, true);
}
catch (Exception exc)
{
//SimpleLog.Write(exc.Message, false);
}
}
// Joystick
else if ((numberOfBytes == 6) &&
(message[0] == 5 && message[1] == 161 && message[2] == 8 && message[3] == 0))
{
int axysX = 0;
int axysY = 0;
if (message[4] >= 128)
axysX = message[4] - 255;
else if (message[4] > 0)
axysX = message[4];
if (message[5] >= 128)
axysY = message[5] - 255;
else
axysY = message[5];
msg.JoystickX = axysX;
msg.JoystickY = axysY;
}
// Send Zeemote message
if (msg.Touched)
bgWorkerProcessData.ReportProgress(0, msg);
}
public MessageEventArgs(ZeemoteMessage msg)
{
ZeemoteMessage = msg;
}
public MessageEventArgs(ZeemoteMessage msg)
{
ZeemoteMessage = msg;
}
/// <summary>
/// Dispatch zeemote message
/// </summary>
/// <param name="message"></param>
/// <param name="numberOfBytes"></param>
public void DispatchBluetoothMessage(byte[] message, int numberOfBytes)
{
ZeemoteMessage msg = new ZeemoteMessage();
if ((numberOfBytes == 8) &&
(message[0] == 7 && message[1] == 161 && message[2] == 5 && message[3] == 255))
{
// Device is connected.
}
// Check if message about button
else if ((numberOfBytes == 9) &&
(message[0] == 8 && message[1] == 161 && message[2] == 7))
{
for (int i = 3; i <= 6; i++)
{
if (message[i] == 0)
{
msg.ButtonA = true;
}
else if (message[i] == 1)
{
msg.ButtonB = true;
}
else if (message[i] == 2)
{
msg.ButtonC = true;
}
else if (message[i] == 3)
{
msg.ButtonD = true;
}
}
// Button was touched even if there are no messages about it.
// That means, button was repeased.
msg.ButtonsTouched = true;
msg.Touched = true;
}
// Battery charge message
else if (numberOfBytes == 5)
{
try
{
string batteryStatus = "Voltage " + BitConverter.ToUInt16(new byte[] { message[4], message[3] }, 0).ToString();
// Currently write battery status to log file, to get the info, when battery dies
//SimpleLog.Write(batteryStatus, true);
}
catch (Exception exc)
{
//SimpleLog.Write(exc.Message, false);
}
}
// Joystick
else if ((numberOfBytes == 6) &&
(message[0] == 5 && message[1] == 161 && message[2] == 8 && message[3] == 0))
{
int axysX = 0;
int axysY = 0;
if (message[4] >= 128)
{
axysX = message[4] - 255;
}
else if (message[4] > 0)
{
axysX = message[4];
}
if (message[5] >= 128)
{
axysY = message[5] - 255;
}
else
{
axysY = message[5];
}
msg.JoystickX = axysX;
msg.JoystickY = axysY;
}
// Send Zeemote message
if (msg.Touched)
{
bgWorkerProcessData.ReportProgress(0, msg);
}
}