public void OnSimUpdated(FrameSnapshot frame, float interpolation, bool replay)
{
if (!replay)
{
// Don't update selections from sim during play, it's controlled via direct user input
return;
}
// Do update selections during replay
// @TODO: determine which entities were actually updated last tick and only loop through them (raise event when SimSystem makes update?)
SimSelectable[] simSelections = frame.Snapshot.GetComponents <SimSelectable>().Where(s => s.Selected).ToArray();
if (simSelections.Length <= 0)
{
Clear();
return;
}
List <SelectableComponent> remainingSelections = Selected.ToList();
for (int i = 0; i < simSelections.Length; i++)
{
SelectableComponent selection = GameState.GetGameObject(simSelections[i].EntityID).GameObject.GetComponent <SelectableComponent>();
remainingSelections.Remove(selection);
Select(selection, true);
}
foreach (SelectableComponent deselect in remainingSelections)
{
deselect.Deselect();
}
}
protected void SelectActionAtScreenPosition(Vector2 position, bool multi)
{
Vector2 worldPosition = UnityEngine.Camera.main.ScreenToWorldPoint(position);
RaycastHit2D hit = Physics2D.Raycast(worldPosition, Vector2.zero);
SelectableComponent selection = hit.transform?.gameObject.GetComponent <SelectableComponent>();
UpdateSelections(selection, multi);
}
protected void UpdateSelections(SelectableComponent selection, bool multi)
{
if (IsSelected(selection) && (multi || Selected.Any()))
{
Deselect(selection, multi);
}
else
{
Select(selection, multi);
}
}
protected void Deselect(SelectableComponent selection, bool multi)
{
if (!multi)
{
Clear();
}
if (!IsSelected(selection))
{
return;
}
Selected.Remove(selection);
selection.Deselect();
InvokeEvent(SelectAction.Deselected, selection, multi);
}
public void Clear(SelectableComponent ignore = null)
{
if (Selected.Count <= 0)
{
return;
}
foreach (SelectableComponent selected in Selected)
{
if (selected != ignore)
{
selected.Deselect();
}
}
Selected.Clear();
InvokeEvent(SelectAction.Cleared);
}
public void Select(SelectableComponent selection, bool multi)
{
if (!multi)
{
Clear(Selected.Count == 1 ? selection : null);
}
if (selection == null)
{
return;
}
if (IsSelected(selection))
{
return;
}
Selected.Add(selection);
selection.Select();
InvokeEvent(SelectAction.Selected, selection, multi);
}
public bool IsSelected(SelectableComponent selectable)
{
return(selectable == null ? false : Selected.Contains(selectable));
}
private void InvokeEvent(SelectAction action, SelectableComponent selection = null, bool multi = false)
{
OnSelectionUpdated?.Invoke(new SelectionUpdatedEvent(action, selection?.GetComponent <Simulation.SimEntityComponent>().EntityID ?? 0, multi));
}