public static void Main(string[] args)
{
ManualResetEvent Terminated = new ManualResetEvent(false);
Initialize();
Console.Out.WriteLine("Move the mouse to move the pointer on the screen.");
Console.Out.WriteLine("Press left mouse button while moving to draw.");
Console.Out.WriteLine("Press the ESC key to close the application.");
Console.Out.WriteLine("You will be able to see what others draw as well.");
OnKeyDown += (sender, e) =>
{
if (e.Key == Key.Escape || (e.Key == Key.C && e.Control))
Terminated.Set();
};
FillRectangle(0, 0, ScreenWidth, ScreenHeight, C64Colors.Blue);
int PointerTexture = AddSpriteTexture(GetResourceBitmap("Pointer.png"), System.Drawing.Color.FromArgb(0, 0, 255), true);
Point P = GetMousePointer();
Point LastP = P;
Sprite Pointer = CreateSprite(P.X, P.Y, PointerTexture);
Random Rnd = new System.Random();
int R = Rnd.Next(128, 255);
int G = Rnd.Next(128, 255);
int B = Rnd.Next(128, 255);
Color Color = Color.FromArgb(R, G, B);
bool Draw = false;
BinaryOutput Payload;
using (MqttConnection MqttConnection = ConnectToMqttServer("iot.eclipse.org", false, string.Empty, string.Empty))
{
WriteLine("<" + MqttConnection.State.ToString() + ">", C64Colors.LightGreen);
MqttConnection.TrustServer = true;
MqttConnection.OnConnectionError += (sender, ex) =>
{
WriteLine("Unable to connect:", C64Colors.Red);
};
MqttConnection.OnError += (sender, ex) =>
{
WriteLine(ex.Message, C64Colors.Red);
};
MqttConnection.OnStateChanged += (sender, state) =>
{
WriteLine("<" + MqttConnection.State.ToString() + ">", C64Colors.LightGreen);
if (state == MqttState.Connected)
MqttConnection.SUBSCRIBE("RetroSharp/Examples/Networking/MultiUserDraw");
};
OnMouseMove += (sender, e) =>
{
P = e.Position;
Pointer.SetPosition(P);
int DX = P.X - RasterWidth / 2;
int DY = P.Y - RasterHeight / 2;
Pointer.Angle = 90 + 22.5 + System.Math.Atan2(DY, DX) * 180 / System.Math.PI;
if (Draw)
{
Payload = new BinaryOutput();
Payload.WriteString(MqttConnection.ClientId);
Payload.WriteInt(LastP.X);
Payload.WriteInt(LastP.Y);
Payload.WriteInt(P.X);
Payload.WriteInt(P.Y);
Payload.WriteColor(Color);
MqttConnection.PUBLISH("RetroSharp/Examples/Networking/MultiUserDraw", MqttQualityOfService.AtMostOne, false, Payload);
DrawLine(LastP.X, LastP.Y, P.X, P.Y, Color);
}
LastP = P;
};
OnMouseDown += (sender, e) =>
{
Draw = e.LeftButton;
};
OnMouseUp += (sender, e) =>
{
Draw = e.LeftButton;
};
MqttConnection.OnContentReceived += (sender, Content) =>
{
BinaryInput Input = Content.DataInput;
string ClientId = Input.ReadString();
if (ClientId != MqttConnection.ClientId)
{
int X1 = (int)Input.ReadInt();
int Y1 = (int)Input.ReadInt();
int X2 = (int)Input.ReadInt();
int Y2 = (int)Input.ReadInt();
Color cl = Input.ReadColor();
DrawLine(X1, Y1, X2, Y2, cl);
}
};
while (!Terminated.WaitOne(1000))
;
}
Terminate();
}
