private void OnJoystickCallback(int jid, GLFW_Enum eventType)
{
if (eventType == GLFW_Enum.CONNECTED)
{
var name = GLFW.GetJoystickName(jid);
var isGamepad = GLFW.JoystickIsGamepad(jid) != 0;
GLFW.GetJoystickButtons(jid, out int buttonCount);
GLFW.GetJoystickAxes(jid, out int axisCount);
OnJoystickConnect((uint)jid, name, (uint)buttonCount, (uint)axisCount, isGamepad);
}
else if (eventType == GLFW_Enum.DISCONNECTED)
{
OnJoystickDisconnect((uint)jid);
}
}
internal void AfterUpdate()
{
const float AXIS_EPSILON = 0.000001f;
for (int jid = 0; jid <= (int)GLFW_Enum.JOYSTICK_LAST; jid++)
{
uint index = (uint)jid;
if (GLFW.JoystickPresent(jid) != 0)
{
if (GLFW.JoystickIsGamepad(jid) != 0 && GLFW.GetGamepadState(jid, ref gamepadState) != 0)
{
for (int i = 0; i < gamepadState.Buttons.Length; i++)
{
var button = GamepadButtonToEnum((GLFW_Enum)i);
var down = IsGamepadButtonDown(index, button);
var state = gamepadState.Buttons[i];
if (!down && state == 1)
{
OnGamepadButtonDown(index, button);
}
else if (down && state == 0)
{
OnGamepadButtonUp(index, button);
}
}
for (int i = 0; i < gamepadState.Axes.Length; i++)
{
var axis = GamepadAxisToEnum((GLFW_Enum)i);
var current = GetGamepadAxis(index, axis);
var next = gamepadState.Axes[i];
if (Math.Abs(current - next) > AXIS_EPSILON)
{
OnGamepadAxis(index, axis, next);
}
}
}
else
{
unsafe
{
char *buttons = (char *)GLFW.GetJoystickButtons(jid, out int buttonCount).ToPointer();
for (int i = 0; i < buttonCount; i++)
{
var button = (uint)i;
var down = IsJoystickButtonDown(index, button);
var state = buttons[i];
if (!down && state == 1)
{
OnJoystickButtonDown(index, button);
}
else if (down && state == 0)
{
OnJoystickButtonUp(index, button);
}
}
float *axes = (float *)GLFW.GetJoystickAxes(jid, out int axesCount).ToPointer();
for (int i = 0; i < axesCount; i++)
{
var axis = (uint)i;
var current = GetJoystickAxis(index, axis);
var next = axes[i];
if (Math.Abs(current - next) > AXIS_EPSILON)
{
OnJoystickAxis(index, axis, next);
}
}
}
}
}
}
}