AnimatorController.FindStateMachineBehaviourContext

パラメーター

戻り値

StateMachineBehaviourContext[] State Machine Behaviour コンテキストの版を返します。

説明

この振る舞い（動作）のオーナーを検索するために、この機能を使用します。

この関数は非常に動作が遅いため、毎フレーム使用することは推奨しません。 See Also: StateMachineBehaviourContext.

using UnityEngine;
using UnityEditor;


public class IdleBehaviour : StateMachineBehaviour
{
	public int transitionCount;
	protected int randomTransitionId = Animator.StringToHash("random");

	// OnStateEnter is called when a transition starts and the state machine starts to evaluate the state
	override public void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
	{
	}

	// OnStateUpdate is called at each engine tick between OnStateEnter and OnStateExit callback
	override public void OnStateUpdate(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
	{
		if(stateInfo.normalizedTime > 0.5f)
			animator.SetInteger(randomTransitionId, Random.Range(0, transitionCount) );
	}

	// OnStateExit is called when a transition ends and the state machine ends to evaluate the state
	override public void OnStateExit(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
	{
	}
}

[CustomEditor(typeof(IdleBehaviour), true)]
public class IdleBehaviourEditor : Editor
{
	UnityEditor.Animations.StateMachineBehaviourContext[] context;

	SerializedProperty transitionCount;

	public void OnEnable()
	{
		context = UnityEditor.Animations.AnimatorController.FindStateMachineBehaviourContext(target as StateMachineBehaviour);
		if(context != null)
		{
			// animatorObject can be an AnimatorState or AnimatorStateMachine
			UnityEditor.Animations.AnimatorState state = context[0].animatorObject as UnityEditor.Animations.AnimatorState;
			if (state != null)
			{
				IdleBehaviour behaviour = target as IdleBehaviour;
				behaviour.transitionCount = state.transitions.Length;
			}
		}

		transitionCount = serializedObject.FindProperty("transitionCount");
	}

	public override void OnInspectorGUI()
	{
		serializedObject.Update();

		EditorGUI.BeginDisabledGroup(true);
		EditorGUILayout.PropertyField(transitionCount);
		EditorGUI.EndDisabledGroup();

		serializedObject.ApplyModifiedProperties();

	}
}