/// <inheritdoc />
public void Add(IObjective objective)
{
if (objective == null)
{
throw new ArgumentNullException(nameof(objective), $"objective is required by {this}");
}
Objectives.Add(objective);
ObjectiveAdded?.Invoke(this, new ObjectiveArgs(objective));
}
void Start()
{
ObjectiveAdded evt = Events.ObjectiveAddedEvent;
evt.Objective = this;
EventManager.Broadcast(evt);
if (m_Trigger)
{
m_Trigger.OnProgress += Progress;
m_Trigger.OnActivate += Activate;
}
else
{
Activate();
}
}
void OnObjectiveAdded(ObjectiveAdded evt)
{
if (!evt.Objective.m_Hidden)
{
// Instantiate the UI element for the new objective.
GameObject go = Instantiate(evt.Objective.m_Lose ? m_LoseObjectivePrefab : m_WinObjectivePrefab, m_ObjectivePanel.transform);
// Initialise the objective element.
Objective objective = go.GetComponent <Objective>();
objective.Initialize(evt.Objective.m_Title, evt.Objective.m_Description, evt.Objective.GetProgress());
// Force layout rebuild to get height of objective UI.
LayoutRebuilder.ForceRebuildLayoutImmediate(objective.GetComponent <RectTransform>());
// Position the objective.
var rectTransform = go.GetComponent <RectTransform>();
rectTransform.anchoredPosition = new Vector2(0, m_NextY - s_TopMargin);
m_NextY -= rectTransform.sizeDelta.y + s_Spacing;
evt.Objective.OnProgress += objective.OnProgress;
}
}
