public void _EmitRawClick(short button, bool down)
{
gfxPacket npacket = packetFromPool();
npacket.eventType = (byte)(SwapBytes(1) >> 8); // button
npacket.button = (short)SwapBytes((ushort)button);
npacket.down = (byte)(SwapBytes((ushort)(down ? 1 : 0)) >> 8);
Enqueue(npacket);
}
public byte[] RawSerialize(gfxPacket item)
{
int rawSize = Marshal.SizeOf(typeof(gfxPacket));
IntPtr buffer = Marshal.AllocHGlobal(rawSize);
Marshal.StructureToPtr(item, buffer, false);
byte[] rawData = new byte[rawSize];
Marshal.Copy(buffer, rawData, 0, rawSize);
Marshal.FreeHGlobal(buffer);
return(rawData);
}
private void EmitClick(gfxPacket packet, short button, bool up)
{
gfxPacket npacket = packetFromPool();
npacket.x = packet.x;
npacket.y = packet.y;
npacket.pressure = packet.pressure;
npacket.eventType = (byte)(SwapBytes(1) >> 8); // button
npacket.button = button;
npacket.down = (byte)(SwapBytes((ushort)(up ? 0 : 1)) >> 8);
Enqueue(npacket);
}
private gfxPacket packetFromPool()
{
if (packetPool.Count == 0)
{
for (int i = 0; i < PoolCapacity / 2; i++)
{
packetPool.AddLast(packetQueue.Dequeue()); // remove half of the last messages, it's probably too old anyway if we're this ingested
}
}
gfxPacket packet = packetPool.Last.Value;
packetPool.RemoveLast();
return(packet);
}
private void update()
{
while (running)
{
if (packetQueue.Count > 0)
{
gfxPacket packet = packetQueue.Dequeue();
socket.SendTo(RawSerialize(packet), endPoint);
packetPool.AddLast(packet);
//Console.WriteLine($"sent {packet}");
Thread.Sleep(0);
}
}
}
public void ProcessAndEnqueueUpdate(double x, double y, double xmax, double ymax, float pressure, bool inair, bool inverted, bool barrel)
{
gfxPacket packet = packetFromPool();
packet.pressure = SwapBytes((ushort)(pressure * 32768));
packet.x = SwapBytes((ushort)(x * 65536 / xmax));
packet.y = SwapBytes((ushort)(y * 65536 / ymax));
packet.eventType = 0; // position change
if (barrel ^ State.barrel)
{
State.barrel = !State.barrel;
EmitClick(packet, (short)barrelbutton, !State.barrel);
}
if (inair)
{
// movement event
if (State.clicked)
{
// it was clicked previously, emit an up event
EmitClick(packet, -1, true);
State.clicked = false;
}
}
else
{
if (!State.clicked)
{
// it was not clicked before, emit a down event
EmitClick(packet, -1, false);
State.clicked = true;
}
}
Enqueue(packet);
}
private void Enqueue(gfxPacket packet)
{
packetQueue.Enqueue(packet);
}
