#pragma warning disable CA1508 // Avoid dead conditional code
public static ControllerStateEventArgs ReadFromPacket(byte[] packet)
{
if (packet == null)
{
throw new ArgumentNullException(nameof(packet));
}
if (packet.Length == PACKET_SIZE)
{
byte[] polishedPacket = new byte[POLISHED_PACKET_SIZE];
polishedPacket[0] = 0;
byte j = 8;
for (byte i = 0; i < 8; ++i)
{
j--;
polishedPacket[0] |= (byte)((packet[i] == 0 ? 0 : 1) << j);
}
if (polishedPacket[0] != 0x02 && polishedPacket[0] != 0x16 && polishedPacket[0] != 0xFF)
{
return(null);
}
ControllerStateBuilder state = new ControllerStateBuilder();
if (polishedPacket[0] != 0xFF)
{
for (byte i = 0; i < 16; ++i)
{
polishedPacket[i + 1] = packet[i + 8] == 0 ? (byte)1 : (byte)0;
}
byte numExtraBytes = 0;
if (polishedPacket[0] == 0x16)
{
numExtraBytes = 4;
}
for (int i = 0; i < numExtraBytes; ++i)
{
polishedPacket[17 + i] = 0;
j = 8;
for (byte k = 0; k < 8; ++k)
{
j--;
polishedPacket[17 + i] |= (byte)((packet[24 + (i * 8) + k] == 0 ? 0 : 1) << j);
}
}
if (polishedPacket.Length < POLISHED_PACKET_SIZE)
{
return(null);
}
for (int i = 0; i < BUTTONS.Length; ++i)
{
if (string.IsNullOrEmpty(BUTTONS[i]))
{
continue;
}
state.SetButton(BUTTONS[i], polishedPacket[i] != 0x00);
}
SignalTool.GenerateFakeStick(state, "l_twinstick_x", "l_twinstick_y",
polishedPacket[4] != 0x00, polishedPacket[3] != 0x00, polishedPacket[2] != 0x00, polishedPacket[1] != 0x00);
SignalTool.GenerateFakeStick(state, "r_twinstick_x", "r_twinstick_y",
polishedPacket[11] != 0x00, polishedPacket[8] != 0x00, polishedPacket[10] != 0x00, polishedPacket[12] != 0x00);
if (polishedPacket[0] == 0x16)
{
state.SetAnalog("lstick_x", ReadStick(polishedPacket[17]), polishedPacket[17]);
state.SetAnalog("lstick_y", ReadStick(polishedPacket[18]), polishedPacket[18]);
state.SetAnalog("trig_r", ReadTrigger(polishedPacket[19]), polishedPacket[19]);
state.SetAnalog("trig_l", ReadTrigger(polishedPacket[20]), polishedPacket[20]);
}
else
{
state.SetAnalog("lstick_x", ReadStick(128), 128);
state.SetAnalog("lstick_y", ReadStick(128), 128);
state.SetAnalog("trig_r", ReadTrigger(0), 0);
state.SetAnalog("trig_l", ReadTrigger(0), 0);
}
}
else
{
for (int i = 0; i < BUTTONS.Length; ++i)
{
if (string.IsNullOrEmpty(BUTTONS[i]))
{
continue;
}
state.SetButton(BUTTONS[i], false);
}
for (int i = 0; i < MOUSE_BUTTONS.Length; ++i)
{
if (string.IsNullOrEmpty(MOUSE_BUTTONS[i]))
{
continue;
}
state.SetButton(MOUSE_BUTTONS[i], packet[i + 8] != 0x00);
}
state.SetAnalog("lstick_x", ReadStick(128), 128);
state.SetAnalog("lstick_y", ReadStick(128), 128);
state.SetAnalog("trig_r", ReadTrigger(0), 0);
state.SetAnalog("trig_l", ReadTrigger(0), 0);
byte xVal = 0;
j = 8;
for (byte k = 0; k < 8; ++k)
{
j--;
xVal |= (byte)((packet[16 + k] == 0 ? 0 : 1) << j);
}
byte yVal = 0;
j = 8;
for (byte k = 0; k < 8; ++k)
{
j--;
yVal |= (byte)((packet[24 + k] == 0 ? 0 : 1) << j);
}
float x = ReadMouse(packet[11] != 0, packet[9] != 0, xVal);
float y = ReadMouse(packet[10] != 0, packet[8] != 0, yVal);
SignalTool.SetMouseProperties(x, y, xVal, yVal, state);
}
return(state.Build());
}
else if (packet.Length == KEYBOARD_PACKET_SIZE)
{
ControllerStateBuilder state = new ControllerStateBuilder();
int j = 0;
byte[] reconstructedPacket = new byte[KEYBOARD_POLISHED_PACKET_SIZE];
for (int i = 0; i < KEYBOARD_POLISHED_PACKET_SIZE; ++i)
{
reconstructedPacket[i] = (byte)((packet[j] >> 4) | packet[j + 1]);
j += 2;
}
for (int i = 0; i < KEYS.Length; ++i)
{
if (KEYS[i] != null)
{
state.SetButton(KEYS[i], (reconstructedPacket[i / 8] & (1 << (i % 8))) != 0);
}
}
return(state.Build());
}
else
{
return(null);
}
}
private static void GenerateDigitalDirections(byte[] binaryPacket, ControllerStateBuilder outState)
{
byte directions = (byte)(binaryPacket[2] >> 4);
bool up = false;
bool left = false;
bool right = false;
bool down = false;
switch (directions)
{
case 1:
up = true;
left = false;
down = false;
right = false;
break;
case 2:
up = true;
left = false;
down = false;
right = true;
break;
case 3:
up = false;
left = false;
down = false;
right = true;
break;
case 4:
up = false;
left = false;
down = true;
right = true;
break;
case 5:
up = false;
left = false;
down = true;
right = false;
break;
case 6:
up = false;
left = true;
down = true;
right = false;
break;
case 7:
up = false;
left = true;
down = false;
right = false;
break;
case 8:
up = true;
left = true;
down = false;
right = false;
break;
}
outState.SetButton("up", up);
outState.SetButton("left", left);
outState.SetButton("down", down);
outState.SetButton("right", right);
SignalTool.GenerateFakeStick(outState, "x_stick", "y_stick", up, down, left, right);
}