public void UpdateTime(TimePoint time, Point mousePos)
{
DoKeyboardScrolling();
// When we're grab-moving, do not do border-scrolling
if (_grabMoving)
{
return;
}
// Wait until the mouse has moved at least once to avoid the issue of the mouse at 0,0
// causing the screen to move directly on startup.
if (!_mouseHasMoved)
{
return;
}
if (!IsMouseScrolling)
{
return;
}
var config = Globals.Config.Window;
if (config.Windowed && Tig.Mouse.IsMouseOutsideWindow)
{
return;
}
if (_lastScrolling.Time != 0 && time - _lastScrolling < ScrollButterDelay)
{
if (!Globals.Config.ScrollAcceleration)
{
return;
}
}
_lastScrolling = time;
int scrollMarginV = 2;
int scrollMarginH = 3;
if (config.Windowed)
{
scrollMarginV = 7;
scrollMarginH = 7;
}
// TODO This should be the size of the game view
var size = _widget.GetSize();
var renderWidth = size.Width;
var renderHeight = size.Height;
ScrollDirection?scrollDir = null;
if (mousePos.X <= scrollMarginH) // scroll left
{
if (mousePos.Y <= scrollMarginV) // scroll upper left
{
scrollDir = ScrollDirection.UP_LEFT;
}
else if (mousePos.Y >= renderHeight - scrollMarginV) // scroll bottom left
{
scrollDir = ScrollDirection.DOWN_LEFT;
}
else
{
scrollDir = ScrollDirection.LEFT;
}
}
else if (mousePos.X >= renderWidth - scrollMarginH) // scroll right
{
if (mousePos.Y <= scrollMarginV) // scroll top right
{
scrollDir = ScrollDirection.UP_RIGHT;
}
else if (mousePos.Y >= renderHeight - scrollMarginV) // scroll bottom right
{
scrollDir = ScrollDirection.DOWN_RIGHT;
}
else
{
scrollDir = ScrollDirection.RIGHT;
}
}
else // scroll vertical only
{
if (mousePos.Y <= scrollMarginV) // scroll up
{
scrollDir = ScrollDirection.UP;
}
else if (mousePos.Y >= renderHeight - scrollMarginV) // scroll down
{
scrollDir = ScrollDirection.DOWN;
}
}
if (scrollDir.HasValue)
{
GameSystems.Scroll.SetScrollDirection(scrollDir.Value);
}
}