private async void OnMouseDown(IUnit[] units)
{
// Input lock is handled by the VC since it owns other sub VCs, etc..
// Ideally, we would lock here and await for the root menu to be closed.
_unitSelectionHighlighter.HighlightUnits(new[] { units[0] });
// TODO: This currently only awaits for menu to be open. Should create "ShowAndWaitForAction"
await _unitMenuViewController.Show(units[0]);
_unitSelectionHighlighter.ClearHighlights();
}
/// <summary>
/// Shows the batch selection UI and highlights the selected units.
/// Returns a task that is completed once the UI has closed or the batch action is complete.
/// </summary>
/// <param name="units"></param>
/// <returns></returns>
public async UniTask ShowAndWaitForAction(IUnit[] units)
{
// Show the menu
var unitCoords = _gridUnitManager.GetUnitCoords(units[0]);
if (unitCoords == null)
{
var msg = $"Unit not in tile: {units[0]}";
_logger.LogError(LoggedFeature.Units, msg);
throw new Exception(msg);
}
_selectedUnits = units;
var worldPosition = _gridPositionCalculator.GetTileCenterWorldPosition(unitCoords.Value);
_radialMenu.Show(_camera.WorldToScreenPoint(worldPosition));
// Add listeners
_removeUnitButton.onClick.AddListener(HandleRemoveUnitPressed);
_rotateUnitButton.onClick.AddListener(HandleRotateUnitPressed);
_cancelSelectionButton.onClick.AddListener(HandleCancelSelectionPressed);
// Highlights
_unitSelectionHighlighter.HighlightUnits(units);
// Mouse Up / Down streams
var mouseUpStream = Observable.EveryUpdate()
.Where(_ => Input.GetMouseButtonUp(0));
var mouseDownStream = Observable.EveryUpdate()
.Where(_ => Input.GetMouseButtonDown(0))
.Where(_ => _gridUnitInputManager.UnitsAtMousePosition.Length > 0)
.Where(_ => units.Intersect(_gridUnitInputManager.UnitsAtMousePosition).Any())
.First();
_observer = mouseDownStream.Select(_ => mouseUpStream).Subscribe(_ => {
HandleUnitMouseDown(units);
});
await UniTask.WaitUntil(() => _selectedUnits == null);
}
