Unity自动创建AnimatorController

        这个是我现在所知最准确的MecAnim的用法了。先上代码：

using UnityEngine;
using UnityEditor;
using UnityEditorInternal;
using System;
using System.Collections;
using System.Collections.Generic;

public class GetAnimationClips : AssetPostprocessor
{
    void OnPostprocessModel(GameObject go)
    {
        List<AnimationClip> clips = new List<AnimationClip>();
        UnityEngine.Object[] objects = AssetDatabase.LoadAllAssetsAtPath(assetPath);
        Debug.Log(objects.Length);
        foreach (var obj in objects) {
             AnimationClip clip = obj as AnimationClip;
            if (clip != null && clip.name.IndexOf("__preview__") == -1) {
                clips.Add(clip);
            }
        }

        CreateAnimationController(assetPath, clips);
     }

    static void CreateAnimationController(string path, List<AnimationClip> clips)
    {
        path = path.Replace("\", "/").Replace(".FBX", ".fbx");
        string acPath = path.Replace(".fbx", ".controller");
        string prefabPath = path.Replace(".fbx", ".prefab");

        // 创立动画掌握器
        AnimatorController animatorController = AnimatorController.CreateAnimatorControllerAtPath(acPath);
        AnimatorControllerLayer layer = animatorController.GetLayer(0);
        UnityEditorInternal.StateMachine sm = layer.stateMachine;
        Vector3 anyStatePosition = sm.anyStatePosition;
        float OFFSET_X = 220;
        float OFFSET_Y = 60;
        float ITEM_PER_LINE = 4;
        float originX = anyStatePosition.x - OFFSET_X * (ITEM_PER_LINE / 2.5f);
        float originY = anyStatePosition.y + OFFSET_Y;
        float x = originX;
        float y = originY;
        foreach (AnimationClip newClip in clips) {
            State state = sm.AddState(newClip.name.ToLower());
            state.SetAnimationClip(newClip, layer);
            state.position = new Vector3(x, y, 0);
            x += OFFSET_X;
            if (x >= originX + OFFSET_X * ITEM_PER_LINE) {
                x = originX;
                y += OFFSET_Y;
            }
        }

        // 创立prefab
        string name = path.Substring(path.LastIndexOf("/") + 1).Replace(".fbx", "");
        prefabPath = "Assets/Resources/" + name + ".prefab";
        GameObject go = AssetDatabase.LoadAssetAtPath(path, typeof(GameObject)) as GameObject;
        go.name = name;
        Animator animator = go.GetComponent<Animator>();
        if (animator == null) {
            animator = go.AddComponent<Animator>();
        }
        animator.applyRootMotion = false;
        animator.runtimeAnimatorController = animatorController;
        //AssetDatabase.CreateAsset(go, prefabPath);
        PrefabUtility.CreatePrefab(prefabPath, go);
        GameObject.DestroyImmediate(go, true);

        AssetDatabase.SaveAssets();
    }
}using Unit