// XXX Would be faster with StringBuilder, rather than string concatenation.
private static void LogInfo(Animator animator, string completedNow, AnimatorStateInfo info,
int layer, string prefix)
{
string message = prefix
+ SceneNodeView.GetPath(animator.gameObject)
+ ": " + completedNow + " at " + Time.time
+ " info " + info
+ " IsName " + info.IsName(completedNow)
+ " length " + info.length
+ " normalizedTime " + info.normalizedTime
;
Animation animationStates = animator.GetComponent <Animation>();
if (null != animationStates)
{
foreach (AnimationState state in animationStates)
{
message += "\n state " + state.name
+ " time " + state.time
+ " length " + state.length
+ " weight " + state.weight
+ " enabled " + state.enabled
+ " normalizedTime " + state.normalizedTime
;
}
}
AnimatorClipInfo[] clipInfos = animator.GetCurrentAnimatorClipInfo(layer);
for (int index = 0, end = clipInfos.Length; index < end; ++index)
{
AnimationClip clip = clipInfos[index].clip;
message += "\n clip " + clip.name + " length " + clip.length;
}
DebugUtil.Log(message);
}
// Return name state that was completed now, or null.
// Also erases that state, so next time this is called it won't be completed now.
// Expects time passed since SetState to avoid race when CompletedNow is not called before SetState in the frame.
// Expects animation is on layer 0.
// Syncrhonous. Does not depend on event complete animation.
//
// http://answers.unity3d.com/questions/351534/how-to-get-current-state-on-mecanim.html
//
// Another way might be to get the currently playing animation.
// http://answers.unity3d.com/questions/362629/how-can-i-check-if-an-animation-is-being-played-or.html
//
// Blubberfish says integers will compare faster than strings.
// http://answers.unity3d.com/questions/407186/how-to-get-current-state-name-on-mecanim.html
public static string CompletedNow(Animator animator, int layer = 0)
{
if (null == animator)
{
DebugUtil.Log("AnimationView.CompletedNow: Does animator exist? "
+ SceneNodeView.GetPath(animator.gameObject));
return(null);
}
if (!animator.isInitialized)
{
return(null);
}
if (!states.ContainsKey(animator))
{
return(null);
}
string completedNow = states[animator];
if (completedNow == null || startTimes[completedNow] == Time.time)
{
return(null);
}
AnimatorStateInfo info = animator.GetCurrentAnimatorStateInfo(layer);
if (info.normalizedTime < 1.0f)
{
return(null);
}
states[animator] = null;
if (isVerbose)
{
LogInfo(animator, completedNow, info, layer, "AnimationView.CompletedNow: ");
}
return(completedNow);
}
// Call animator.Play instead of animator.SetTrigger, in case the animator is in transition.
// Test case: 2015-11-15 Enter "SAT". Type "RAT". Expect R selected. Got "R" resets to unselected.
// http://answers.unity3d.com/questions/801875/mecanim-trigger-getting-stuck-in-true-state.html
//
// Do not call until initialized. Test case: 2015-11-15 Got warning "Animator has not been initialized"
// http://answers.unity3d.com/questions/878896/animator-has-not-been-initialized-1.html
//
// In editor, deleted and recreated animator state transition. Test case: 2015-11-15 Got error "Transition '' in state 'selcted' uses parameter 'none' which is not compatible with condition type"
// http://answers.unity3d.com/questions/1070010/transition-x-in-state-y-uses-parameter-z-which-is.html
//
// Unity expects not to animate the camera or the root itself. Instead animate the child of the root. The root might not move.
// Test case: 2016-02-13 Animate camera position. Play. Camera does not move. Generate root motion curves. Apply root motion curves. Still camera does not move. Assign animator to parent of camera. Animate child. Then camera moves.
//
// isTrigger: If true, then set trigger. Otherwise play animation.
public static void SetState(Animator animator, string state,
bool isRestart = false, bool isTrigger = false)
{
if (null == animator)
{
DebugUtil.Log("AnimationView.SetState: Does animator exist? "
+ SceneNodeView.GetPath(animator.gameObject)
+ ": " + state);
return;
}
if (!animator.isInitialized)
{
if (isVerbose)
{
DebugUtil.Log("AnimationView.SetState: Animator is not initialized.");
}
return;
}
if (!animator.enabled)
{
animator.enabled = true;
}
if (isTrigger)
{
animator.SetTrigger(state);
}
else if (isRestart)
{
animator.Play(state, -1, 0f);
}
else
{
animator.Play(state);
}
bool isChange = !states.ContainsKey(animator) ||
states[animator] != state;
if (isVerbose && (isRestart || isChange))
{
DebugUtil.Log("AnimationView.SetState: "
+ SceneNodeView.GetPath(animator.gameObject)
+ ": " + state + " at " + Time.time);
}
if (isChange || isRestart)
{
states[animator] = state;
startTimes[state] = Time.time;
MayAddToDisableOnEnd(animator);
}
}