//
// Initialization
//
void Awake()
{
if (!avatar)
{
avatar = gameObject;
}
animator = avatar.GetComponent <Animator>();
// Get animator state machine behaviors (allows us to get animator events)
AvatarGestureStateBehavior[] behaviors = animator.GetBehaviours <AvatarGestureStateBehavior>();
foreach (var behavior in behaviors)
{
if (behavior.layerName == ANIM_RARM_LAYERNAME)
{
rarmStateBehavior = behavior;
}
else if (behavior.layerName == ANIM_LARM_LAYERNAME)
{
larmStateBehavior = behavior;
}
else if (behavior.layerName == ANIM_HEAD_LAYERNAME)
{
headStateBehavior = behavior;
}
}
Debug.Assert(rarmStateBehavior != null && larmStateBehavior != null);
// Attach event handlers to state machine behavior
rarmStateBehavior.AnimationStart += StateMachineBehavior_AnimationStart;
rarmStateBehavior.AnimationEnd += StateMachineBehavior_AnimationEnd;
larmStateBehavior.AnimationStart += StateMachineBehavior_AnimationStart;
larmStateBehavior.AnimationEnd += StateMachineBehavior_AnimationEnd;
headStateBehavior.AnimationStart += StateMachineBehavior_AnimationStart;
headStateBehavior.AnimationEnd += StateMachineBehavior_AnimationEnd;
// Default to RArm
currentStateBehavior =
rarmStateBehavior; // TODO -- could elect to dynamically subscribe/unsubscribe to behaviors as needed instead of checking them each time
}
/// <summary>
/// Makes the avatar perform the specified gesture.
/// </summary>
/// <param name="gesture">A predefined AvatarGesture.</param>
/// <param name="callback">Function to call when the gesture completes</param>
public void PerformGesture(AvatarGesture gesture, Action <AvatarGesture> callback = null)
{
if (gesture == null)
{
Debug.LogError("No gesture specified!");
return;
}
//////////////////////////////////////////////
// Get trigger names based on handedness
string anim_gestureid_name;
string anim_trigger_name;
if (gesture.BodyPart == AvatarGesture.Body.LeftArm)
{
anim_gestureid_name = ANIM_LARM_GESTUREID;
anim_trigger_name = ANIM_LARM_TRIGGER;
currentStateBehavior = larmStateBehavior;
}
else if (gesture.BodyPart == AvatarGesture.Body.RightArm)
{
anim_gestureid_name = ANIM_RARM_GESTUREID;
anim_trigger_name = ANIM_RARM_TRIGGER;
currentStateBehavior = rarmStateBehavior;
}
else
{
anim_gestureid_name = ANIM_HEAD_GESTUREID;
anim_trigger_name = ANIM_HEAD_TRIGGER;
currentStateBehavior = headStateBehavior;
}
//////////////////////////////////////////////
// Trigger the gesture
animator.SetInteger(anim_gestureid_name, gesture.Id);
animator.SetTrigger(anim_trigger_name);
CurrentGesture = gesture;
//////////////////////////////////////////////
// Callback upon completion
if (callback != null)
{
// Cache currentStateBehavior
AvatarGestureStateBehavior behavior = currentStateBehavior;
// Create a one-shot event handler that calls the callback function
AvatarGestureStateBehavior.StateMachineEventHandler eventHandler = null;
eventHandler = delegate(object sender) {
behavior.AnimationEnd -= eventHandler; // Unsubscribe; one-shot
callback(gesture);
};
behavior.AnimationEnd += eventHandler; // Subscribe
}
}
