using UnityEngine;
using System.Collections.Generic;
public class LoaderScene : MonoBehaviour
{
public UISlider progressBar;
public UILabel lblStatus;
private string scenePath;

void Awake()
{
string prefabPath = "file:///" + Application.dataPath + "/Assets/{0}.assetbundle";
this.scenePath = "file:///" + Application.dataPath + "/Assets/MainScene.unity3d";
IList<WwwLoaderPath> pathList = new List<WwwLoaderPath> ();
pathList.Add (new WwwLoaderPath (this.scenePath, Random.Range (0, 100), WwwLoaderTypeEnum.UNITY_3D));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Lights"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Particles"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "PhysicsCube"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Player"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Stamps"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Statics"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Terrain"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));
pathList.Add (new WwwLoaderPath (string.Format(prefabPath, "Trees"), Random.Range (0, 100), WwwLoaderTypeEnum.ASSET_BUNDLE));

this.lblStatus.text = "场景加载中，请稍候。。。";
WwwLoaderManager.instance.Loader (pathList, onLoaderProgress, onLoaderComplete, "MainScene");
}
private void onLoaderProgress(string path, float currentValue, float totalValue)
{
this.progressBar.value = currentValue;
}
private void onLoaderComplete()
{
this.lblStatus.text = "场景正在初始化，请等待。。。";
Application.LoadLevelAsync("MainScene");
}
}

using UnityEngine;
using System.Collections;
using System.Xml;
public class InitObject : MonoBehaviour
{
void Awake()
{
string xmlPath = Application.dataPath + "/Assets/MainScene.xml";
string prefabPath = "file:///" + Application.dataPath + "/Assets/{0}.assetbundle";
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load (xmlPath);

// 使用 XPATH 获取所有 gameObject 节点
XmlNodeList xmlNodeList = xmlDocument.SelectNodes("//gameObject");
foreach(XmlNode xmlNode in xmlNodeList)
{
string gameObjectName = xmlNode.Attributes["objectName"].Value;
string prefabName = xmlNode.Attributes["objectAsset"].Value;
AssetBundle assetBundle = WwwDataManager.instance.GetDataAssetBundle(string.Format(prefabPath, prefabName));
if(assetBundle != null)
{
GameObject assetObject = (GameObject)assetBundle.Load(prefabName, typeof(GameObject));
if(assetObject != null)
{
GameObject gameObject = (GameObject)Instantiate(assetObject);
// 使用 XPATH 获取 位置、旋转、缩放数据
XmlNode positionXmlNode = xmlNode.SelectSingleNode("descendant::position");
XmlNode rotationXmlNode = xmlNode.SelectSingleNode("descendant::rotation");
XmlNode scaleXmlNode = xmlNode.SelectSingleNode("descendant::scale");

if(positionXmlNode != null && rotationXmlNode != null && scaleXmlNode != null)
{
gameObject.transform.position = new Vector3(float.Parse(positionXmlNode.Attributes["x"].Value), float.Parse(positionXmlNode.Attributes["y"].Value), float.Parse(positionXmlNode.Attributes["z"].Value));
gameObject.transform.rotation = Quaternion.Euler(new Vector3(float.Parse(rotationXmlNode.Attributes["x"].Value), float.Parse(rotationXmlNode.Attributes["y"].Value), float.Parse(rotationXmlNode.Attributes["z"].Value)));
gameObject.transform.localScale = new Vector3(float.Parse(scaleXmlNode.Attributes["x"].Value), float.Parse(scaleXmlNode.Attributes["y"].Value), float.Parse(scaleXmlNode.Attributes["z"].Value));
}
}
// 卸载引用的加载资源，释放内存
assetBundle.Unload(false);
}
}
xmlDocument = null;
}
}