/// <summary>This will reset the <b>CurrentTiming</b>, <b>CurrentQueue</b>, and <b>CurrentSpeed</b> values.</summary>
public static void ResetState()
{
defaultQueue = null;
ResetTiming();
ResetQueue();
ResetSpeed();
}
public static T Register <T>(Stack <T> pool, float duration)
where T : LeanState, new()
{
// Make sure the transition manager exists
if (Instances.Count == 0)
{
new GameObject("LeanTransition").AddComponent <LeanTransition>();
}
// Setup initial data
var state = pool.Count > 0 ? pool.Pop() : new T();
state.Age = -1.0f;
state.Duration = duration;
state.Skip = false;
if (currentSpeed > 0.0f)
{
state.Duration /= currentSpeed;
}
state.Prev.Clear();
state.Next.Clear();
// Join to previous transition?
if (currentQueue != null)
{
state.BeginAfter(currentQueue);
currentQueue = defaultQueue;
}
// Make this the new head
currentHead = state;
// Register data with the correct list
var finalUpdate = GetTiming(currentTiming);
switch (finalUpdate)
{
case LeanTiming.UnscaledFixedUpdate: unscaledFixedUpdateStates.Add(state); break;
case LeanTiming.UnscaledLateUpdate: unscaledLateUpdateStates.Add(state); break;
case LeanTiming.UnscaledUpdate: unscaledUpdateStates.Add(state); break;
case LeanTiming.Update: updateStates.Add(state); break;
case LeanTiming.LateUpdate: lateUpdateStates.Add(state); break;
case LeanTiming.FixedUpdate: fixedUpdateStates.Add(state); break;
}
return(state);
}
public static LeanState Register(LeanState state, float duration)
{
state.Duration = duration;
// Execute immediately?
if (duration == 0.0f && state.Prev.Count == 0)
{
FinishState(state);
if (previousState == state)
{
previousState = null;
}
return(null);
}
// Register for later execution?
else
{
if (currentSpeed > 0.0f)
{
state.Duration /= currentSpeed;
}
// Convert currentTiming if it's set to default, then register the state in the correct list
var finalUpdate = GetTiming(currentTiming);
switch (finalUpdate)
{
case LeanTiming.UnscaledFixedUpdate: unscaledFixedUpdateStates.Add(state); break;
case LeanTiming.UnscaledLateUpdate: unscaledLateUpdateStates.Add(state); break;
case LeanTiming.UnscaledUpdate: unscaledUpdateStates.Add(state); break;
case LeanTiming.Update: updateStates.Add(state); break;
case LeanTiming.LateUpdate: lateUpdateStates.Add(state); break;
case LeanTiming.FixedUpdate: fixedUpdateStates.Add(state); break;
}
}
if (OnRegistered != null)
{
OnRegistered(state);
}
return(state);
}
/// <summary>If a transition is being animated in the editor, then the target object may not update, so this method will automatically dirty it so that it will.</summary>
private static void DirtyTarget(LeanState transition)
{
if (Application.isPlaying == false)
{
var targetField = transition.GetType().GetField("Target");
if (targetField != null)
{
var target = targetField.GetValue(transition) as Object;
if (target != null)
{
EditorUtility.SetDirty(target);
}
}
}
}
private static void FinishState(LeanState state)
{
// Activate all chained states and clear them
for (var j = state.Next.Count - 1; j >= 0; j--)
{
state.Next[j].Prev.Remove(state);
}
state.Next.Clear();
// Make sure we call update one final time with a progress value of exactly 1.0
if (state.Skip == false)
{
state.Update(1.0f);
}
#if UNITY_EDITOR
DirtyTarget(state);
#endif
state.Despawn();
}
private void UpdateAll(List <LeanState> states, float delta)
{
currentHead = null;
for (var i = states.Count - 1; i >= 0; i--)
{
var state = states[i];
// Only update if the previous transitions have finished
if (state.Prev.Count == 0)
{
// If the transition age is negative, it hasn't started yet
if (state.Age < 0.0f)
{
state.Age = 0.0f;
// If this newly beginning transition is identical to an already registered one, mark the existing one as conflicting so it doesn't get updated
RemoveConflictsBefore(states, state, i);
// Begin the transition (this will often copy the current state of the variable that is being transitioned)
state.Begin();
}
// Age
state.Age += delta;
// Finished?
if (state.Age >= state.Duration)
{
// Activate all chained states and clear them
for (var j = state.Next.Count - 1; j >= 0; j--)
{
state.Next[j].Prev.Remove(state);
}
state.Next.Clear();
// Make sure we call update one final time with a progress value of exactly 1.0
if (state.Skip == false)
{
state.Update(1.0f);
}
#if UNITY_EDITOR
DirtyTarget(state);
#endif
state.Despawn();
states.RemoveAt(i);
}
// Update
else
{
if (state.Skip == false)
{
state.Update(state.Age / state.Duration);
}
#if UNITY_EDITOR
DirtyTarget(state);
#endif
}
}
}
}
/// <summary>This will reset any previously called <b>CurrentQueue</b> calls.</summary>
public static void ResetQueue()
{
currentQueue = null;
}
/// <summary>This allows you to specify which transition must finish before the next transition can begin.</summary>
public static GameObject QueueTransition(this UnityEngine.GameObject target, LeanState beginAfter)
{
LeanTransition.CurrentQueue = beginAfter; return(target);
}
/// <summary>This allows you to specify which transition must finish before the next transition can begin.</summary>
public static T QueueTransition <T>(this T target, LeanState beginAfter)
where T : Component
{
LeanTransition.CurrentQueue = beginAfter; return(target);
}
/// <summary>If you want this transition to begin after another completes, then call this method.</summary>
public void BeginAfter(LeanState previousState)
{
Prev.Add(previousState);
previousState.Next.Add(this);
}
private void HandleFinished(LeanState state)
{
states.Remove(state);
}
private void HandleRegistered(LeanState state)
{
states.Add(state);
}