private void UpdateQueuedStates()
{
bool mustCalculateQueueTimes = true;
float remainingTime = -1f;
var it = m_StateQueue.First;
while (it != null)
{
if (mustCalculateQueueTimes)
{
remainingTime = CalculateQueueTimes();
mustCalculateQueueTimes = false;
}
QueuedState queuedState = it.Value;
if (queuedState.fadeTime >= remainingTime)
{
Crossfade(queuedState.state.index, queuedState.fadeTime);
mustCalculateQueueTimes = true;
m_StateQueue.RemoveFirst();
it = m_StateQueue.First;
}
else
{
it = it.Next;
}
}
}
private void ClearQueuedStates()
{
using (var it = m_StateQueue.GetEnumerator()) {
while (it.MoveNext())
{
QueuedState queuedState = it.Current;
m_States.StopState(queuedState.state.index, true);
}
}
m_StateQueue.Clear();
}
public Message(int maxRetries)
{
PendingState = new PendingState(this);
QueuedState = new QueuedState(this);
InProgressState = new InProgressState(this);
FailedState = new FailedState(this);
CompletedState = new CompletedState(this);
State = PendingState;
MaxRetries = maxRetries;
Retries = -1;
}
/// <summary>
/// 更新Queue，檢查是否需要轉換到下一個state(fading)
/// </summary>
private void UpdateQueuedStates()
{
var it = m_StateQueue.First;
while (it != null)
{
// 找當前state中最長的remainingTime
float remainingTime = CalculateQueueTimes();
QueuedState queuedState = it.Value;
// 如果剩餘的時間小於fadeTime則直接fade過去。
if (queuedState.fadeTime >= remainingTime)
{
Crossfade(queuedState.state.index, queuedState.fadeTime);
m_StateQueue.RemoveFirst();
it = m_StateQueue.First; // 繼續檢查下一個是否該進入fade
}
else
{
break; // 如果沒有就跳出
}
}
}
