public override bool OnGenericMotionEvent(MotionEvent e)
{
InputDevice device = e.Device;
if (device != null && device.Id == current_device_id)
{
if (IsGamepad(device))
{
for (int i = 0; i < AxesMapping.size; i++)
{
axes [i] = GetCenteredAxis(e, device, AxesMapping.OrdinalValueAxis(i));
}
controller_view.Invalidate();
return(true);
}
}
return(base.OnGenericMotionEvent(e));
}
protected override void OnDraw(Canvas canvas)
{
int offset = Width / 2 - Height / 2;
//draw background
canvas.DrawColor(Color.Black);
canvas.DrawRect(0, 0, Width, Height, background_paint);
//draw brake/gas indicators
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_BRAKE)] > 0.0f)
{
gradient_paint.Alpha = ((int)(axes[AxesMapping.OrdinalValue(AxesMapping.AXIS_BRAKE)] * 100) + 155);
canvas.DrawBitmap(gradient_bitmap, offset + left_gradient [0] * Height,
left_gradient [1] * Height, gradient_paint);
}
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_GAS)] > 0.0f)
{
gradient_paint.Alpha = ((int)(axes[AxesMapping.OrdinalValue(AxesMapping.AXIS_GAS)] * 100) + 155);
canvas.DrawBitmap(gradient_bitmap, offset + right_gradient [0] * Height,
right_gradient [1] * Height, gradient_paint);
}
//draw the paddles
canvas.DrawColor(Color.Transparent);
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_R1)] == 0)
{
canvas.DrawBitmap(right_paddle_bitmap, offset + right_paddle [0] * Height,
right_paddle [1] * Height, image_paint);
}
else if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_R1)] == 1)
{
canvas.DrawBitmap(right_paddle_bitmap, offset + right_paddle_pressed [0] * Height,
right_paddle_pressed [1] * Height, image_paint);
}
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_L1)] == 0)
{
canvas.DrawBitmap(left_paddle_bitmap, offset + left_paddle [0] * Height,
left_paddle [1] * Height, image_paint);
}
else if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_L1)] == 1)
{
canvas.DrawBitmap(left_paddle_bitmap, offset + left_paddle_pressed [0] * Height,
left_paddle_pressed [1] * Height, image_paint);
}
//draw the controller body
canvas.DrawBitmap(controller_bitmap, offset, 0, image_paint);
//draw axes
axis_leftX = offset + left_axis [0] * Height;
axis_leftY = left_axis [1] * Height;
axis_rightX = offset + right_axis [0] * Height;
axis_rightY = right_axis [1] * Height;
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_X)] != 0.0f)
{
axis_leftX = axis_leftX + left_axis [3] * Height
* axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_X)];
}
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_Y)] != 0.0f)
{
axis_leftY = axis_leftY + left_axis [3] * Height
* axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_Y)];
}
//Android Gamepad:AXIS_Z and AXIS_RZ respectively
//Xbox Gamepad:AXIS_RX and AXIX_RZ respectively
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_RX)] != 0.0f)
{
axis_rightX = axis_rightX + right_axis [3] * Height
* axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_RX)];
}
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_RY)] != 0.0f)
{
axis_rightY = axis_rightY + right_axis [3] * Height
* axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_RY)];
}
canvas.DrawBitmap(axis_bitmap, axis_rightX, axis_rightY, image_paint);
canvas.DrawBitmap(axis_bitmap, axis_leftX, axis_leftY, image_paint);
//Draw the LED light
if (current_controller_number > 0 && current_controller_number <= MAX_CONTROLLERS)
{
canvas.DrawBitmap(blue_led_bitmap, offset
+ led_buttons [2 * current_controller_number - 2] * Height,
led_buttons [2 * current_controller_number - 1] * Height, led_paint);
}
//Draw the directional buttons
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_HAT_X)] == 1.0f)
{
canvas.DrawBitmap(right_directional_bitmap, offset + right_directional_button [0]
* Height, right_directional_button [1] * Height, directional_paint);
}
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_HAT_Y)] == -1.0f)
{
canvas.DrawBitmap(top_directional_bitmap, offset + top_directional_button [0]
* Height, top_directional_button [1] * Height, directional_paint);
}
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_HAT_X)] == -1.0f)
{
canvas.DrawBitmap(left_directional_bitmap, offset + left_directional_button [0]
* Height, left_directional_button [1] * Height, directional_paint);
}
if (axes [AxesMapping.OrdinalValue(AxesMapping.AXIS_HAT_Y)] == 1.0f)
{
canvas.DrawBitmap(bottom_directional_bitmap, offset + bottom_directional_button [0]
* Height, bottom_directional_button [1] * Height, directional_paint);
}
//draw the A/B/X/Y buttons
canvas.DrawColor(Color.Transparent);
circle_paint.Color = Resources.GetColor(Resource.Color.transparent_black);
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_Y)] == 1)
{
canvas.DrawCircle(offset + y_button [0] * Height, y_button [1] * Height,
y_button [2] * Height, circle_paint);
}
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_X)] == 1)
{
canvas.DrawCircle(offset + x_button [0] * Height, x_button [1] * Height,
x_button [2] * Height, circle_paint);
}
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_B)] == 1)
{
canvas.DrawCircle(offset + b_button [0] * Height, b_button [1] * Height,
b_button [2] * Height, circle_paint);
}
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_A)] == 1)
{
canvas.DrawCircle(offset + a_button [0] * Height, a_button [1] * Height,
a_button [2] * Height, circle_paint);
}
//draw the center buttons
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.POWER)] == 1)
{
canvas.DrawCircle(offset + power_button [0] * Height,
power_button [1] * Height,
power_button [2] * Height, circle_paint);
}
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_START)] == 1)
{
canvas.DrawCircle(offset + home_button [0] * Height,
home_button [1] * Height,
home_button [2] * Height, circle_paint);
}
//Android Gamepad: BUTTON_BACK, Xbox Gamepad: BUTTON_SELECT
if (buttons [ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_SELECT)] == 1)
{
canvas.DrawCircle(offset + back_button [0] * Height,
back_button [1] * Height,
back_button [2] * Height, circle_paint);
}
// Draw the axes
if (buttons[ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_THUMBL)] == 1)
{
canvas.DrawCircle(left_axis_button[2] * Height + axis_leftX, left_axis_button[2]
* Height + axis_leftY,
left_axis_button[2] * Height, circle_paint);
}
if (buttons[ButtonMapping.OrdinalValue(ButtonMapping.BUTTON_THUMBR)] == 1)
{
canvas.DrawCircle(right_axis_button[2] * Height + axis_rightX, right_axis_button[2]
* Height + axis_rightY,
right_axis_button[2] * Height, circle_paint);
}
}