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

/// <summary>
/// 自动裁剪出模型，需要把模型放入到/Artise/ClipAnimation目录下
/// </summary>
namespace James.Editor
{
	public class ModelProcessor : AssetPostprocessor
	{
		public void OnPostprocessModel(GameObject go)
		{
			//Set the file path variable for our models
			string lowerCaseAssetPath = assetPath.ToLower();
			//Apply this script ONLY if we are in our folder
			if (lowerCaseAssetPath.IndexOf("artise/clipanimation") == -1)  //type your file location with all your models here in lowercase
				return;

			string HowToClipCfgPath = lowerCaseAssetPath.Replace(".fbx", ".txt");
			if (!File.Exists(Directory.GetCurrentDirectory() + "/" + HowToClipCfgPath)) return;

			ModelInterpret mi = ModelInterpretor.read(HowToClipCfgPath);
			if (mi == null) return;

			///Model importer lets you modify model import settings from editor scripts.
			ModelImporter modelImporter = assetImporter as ModelImporter;
			modelImporter.animationType = ModelImporterAnimationType.Legacy;

			List<ModelImporterClipAnimation> clips = new List<ModelImporterClipAnimation>();
			foreach (CustomizeAnim curConfig in mi.anims)
			{
				clips.Add(ParseAnimationClip(curConfig));
			}
			if (clips.Count > 0)
				modelImporter.clipAnimations = clips.ToArray();
			modelImporter.assetBundleName = mi.abName;
		}

		ModelImporterClipAnimation ParseAnimationClip(CustomizeAnim anim)
		{
			string clipName = anim.name;
			int startIndex = anim.start;
			int endIndex = anim.end;

			ModelImporterClipAnimation clip = new ModelImporterClipAnimation();
			clip.firstFrame = Convert.ToSingle(startIndex);
			clip.lastFrame = Convert.ToSingle(endIndex);
			clip.loopTime = true;
			clip.name = clipName;

			return clip;
		}

	}
}