private void CalculatePointerMessages(Vector2 pointerLocation, bool pointerNewlyPressed, bool pointerNewlyReleased)
{
var gameObjectsUnderMouse = new List <int>();
int?pickedGameObjectId = null;
var objectPicked = _sceneGraph.Pick(pointerLocation, ref pickedGameObjectId);
if (objectPicked)
{
if (pickedGameObjectId != _previousGameObjectUnderPointer && _previousGameObjectUnderPointer.HasValue)
{
_messageManager.QueueMessage(new PointerExitMessage(_previousGameObjectUnderPointer.Value));
}
if (_previousGameObjectUnderPointer == null || pickedGameObjectId.Value != _previousGameObjectUnderPointer.Value)
{
_previousGameObjectUnderPointer = pickedGameObjectId;
_messageManager.QueueMessage(new PointerEnterMessage(pickedGameObjectId.Value));
}
if (pointerNewlyPressed)
{
_messageManager.QueueMessage(new PointerPressMessage(pickedGameObjectId.Value));
}
if (pointerNewlyReleased)
{
_messageManager.QueueMessage(new PointerReleaseMessage(pickedGameObjectId.Value));
}
}
else if (_previousGameObjectUnderPointer >= 0)
{
_messageManager.QueueMessage(new PointerExitMessage(_previousGameObjectUnderPointer.Value));
_previousGameObjectUnderPointer = null;
}
}
private void CalculateKeyDownMessages(KeyboardState newKeyState)
{
var keys = newKeyState.GetPressedKeys().Where(key => !_oldKeyState.IsKeyDown(key));
foreach (var key in keys)
{
_messageManager.QueueMessage(new KeyDownMessage(key));
}
}
