internal unsafe MouseState(IMouse mouse)
{
Name = mouse.Name;
Index = mouse.Index;
IsConnected = mouse.IsConnected;
var buttons = mouse.SupportedButtons;
_buttonCount = buttons.Count;
_buttons = (MouseButton *)Marshal.AllocHGlobal(_buttonCount * sizeof(MouseButton));
_pressedButtons = (MouseButton *)Marshal.AllocHGlobal(_buttonCount * sizeof(MouseButton));
_pressedButtonCount = 0;
for (var i = 0; i < _buttonCount; i++)
{
_buttons[i] = buttons[i];
if (mouse.IsButtonPressed(_buttons[i]))
{
_pressedButtons[_pressedButtonCount++] = _buttons[i];
}
}
_pressedButtons = (MouseButton *)Marshal.ReAllocHGlobal
((IntPtr)_pressedButtons, (IntPtr)(_pressedButtonCount * sizeof(MouseButton)));
var wheels = mouse.ScrollWheels;
_scrollWheelCount = wheels.Count;
_scrollWheels = (ScrollWheel *)Marshal.AllocHGlobal(_scrollWheelCount * sizeof(ScrollWheel));
for (var i = 0; i < _scrollWheelCount; i++)
{
_scrollWheels[i] = wheels[i];
}
Position = mouse.Position;
}
protected override void OnMouseMove(IMouse sender, Vector2 position)
{
if (sender.IsButtonPressed(MouseButton.Left))
{
offset.X += (lastMousePos.X - position.X) * mouseMoveScale * scale;
offset.Y += (position.Y - lastMousePos.Y) * mouseMoveScale * scale;
lastMousePos = position;
UpdateTransformMatrix();
}
}
internal unsafe MouseState(IMouse mouse, MemoryPool <byte> pool)
{
// Set properties
Name = mouse.Name;
Index = mouse.Index;
IsConnected = mouse.IsConnected;
// Initial rentals
var srcButtons = mouse.SupportedButtons; // get the source's supported buttons
_buttonCount = srcButtons.Count; // assign the button count
_buttons = pool.Rent(_buttonCount * sizeof(MouseButton)); // do a full rental of all supported buttons
// we don't know how many buttons are pressed, do a full rental
_pressedButtons = pool.Rent(_buttonCount * sizeof(MouseButton));
_pressedButtonCount = _buttonCount; // set the pressed button count to span the entire initial rental
var buttons = GetSupportedButtons(); // get the span over the supported buttons
var pressedButtons = GetPressedButtons(); // get the full span of the initial rental of the pressed buttons
_pressedButtonCount = 0; // set the pressed button count to zero to actually count how many are pressed
for (var i = 0; i < _buttonCount; i++)
{
buttons[i] = srcButtons[i];
if (mouse.IsButtonPressed(buttons[i]))
{
pressedButtons[_pressedButtonCount++] = buttons[i];
}
}
// Trim the pressed button rental
using var wip = _pressedButtons; // get the original rental, and dispose of it when we're done
var wipSpan = GetPressedButtons(); // get the trimmed span over the full initial rental
_pressedButtons = pool.Rent(_pressedButtonCount * sizeof(MouseButton)); // create the trimmed rental
pressedButtons = GetPressedButtons(); // get the span over the trimmed rental
wipSpan.CopyTo(pressedButtons); // copy the trimmed span over the full rental to the trimmed rental
// Scroll wheels
var srcWheels = mouse.ScrollWheels;
_scrollWheelCount = srcWheels.Count;
_scrollWheels = pool.Rent(_scrollWheelCount * sizeof(ScrollWheel));
var dstWheels = GetScrollWheels();
for (var i = 0; i < _scrollWheelCount; i++)
{
dstWheels[i] = srcWheels[i];
}
Position = mouse.Position;
}
protected override void OnMouseMove(IMouse sender, PointF position)
{
if (Window.IsClosing)
{
return;
}
if (sender.IsButtonPressed(MouseButton.Left))
{
offset.X += (position.X - lastMousePos.X) * mouseMoveScale / scale;
offset.Y += (lastMousePos.Y - position.Y) * mouseMoveScale / scale;
lastMousePos = position;
UpdateTransformMatrix();
}
}