/// <summary>
/// 加载资源
/// </summary>
/// <param name="assetName"></param>
/// <param name="completeCallback"></param>
/// <param name="cacheType"></param>
/// <param name="cacheTimeout"></param>
public void LoadAsset(string assetName, Action <string, UnityEngine.Object> completeCallback = null, BundleCacheType cacheType = BundleCacheType.None, float cacheTimeout = 5)
{
if (!CheckInited())
{
if (completeCallback != null)
{
completeCallback("", null);
}
return;
}
var requestBundleName = m_assetNameToBundleNameMap[assetName];
IncreaseRef(requestBundleName);
if (string.IsNullOrEmpty(requestBundleName))
{
if (completeCallback != null)
{
completeCallback("", null);
}
Debug.LogError("Asset Info " + assetName + " Not Found");
return;
}
if (m_assetLoading.ContainsKey(assetName))//说明之前有同一个资源的请求
{
m_assetLoading[assetName].completeCallbackList.Add(completeCallback);
return;
}
WeakReference weakPtr = null;
if (m_assetNameToWeakPtr.TryGetValue(assetName, out weakPtr) && weakPtr.IsAlive)
{
if (completeCallback != null)
{
completeCallback(assetName, (UnityEngine.Object)weakPtr.Target);
}
return;
}
//由update决定下一帧是读取bundle还是读取asset
var assetLoader = new KTAssetLoader()
{
loaderType = KTAssetLoader.LoaderType.Asset,
requestAssetName = assetName,
requestBundleName = requestBundleName,
cacheType = cacheType,
cacheTimeout = cacheTimeout,
dependentBundleNames = m_manifest.GetAllDependencies(requestBundleName).ToList(),
request = null,
completeCallbackList = new List <Action <string, UnityEngine.Object> >()
{
completeCallback
}
};
m_assetLoading.Add(assetName, assetLoader);
}
/// <summary>
/// 加载场景
/// </summary>
/// <param name="assetName"></param>
/// <param name="completeCallback"></param>
/// <param name="loadMode"></param>
/// <param name="cacheType">可以选三种模式</param>
/// <param name="cacheTimeout"></param>
public void LoadScene(string assetName, Action <string> completeCallback = null, LoadSceneMode loadMode = LoadSceneMode.Additive, BundleCacheType cacheType = BundleCacheType.None, float cacheTimeout = 5)
{
if (!CheckInited())
{
if (completeCallback != null)
{
completeCallback("");
}
return;
}
var requestBundleName = m_assetNameToBundleNameMap[assetName];
IncreaseRef(requestBundleName);
if (string.IsNullOrEmpty(requestBundleName))
{
if (completeCallback != null)
{
completeCallback("");
}
Debug.LogError("Asset Info " + assetName + " Not Found");
return;
}
if (m_assetLoading.ContainsKey(assetName))//场景不允许请求重复
{
if (completeCallback != null)
{
completeCallback("");
}
Debug.LogError("Request Scene " + assetName + " Repeated");
return;
}
WeakReference weakPtr = null;
if (m_assetNameToWeakPtr.TryGetValue(assetName, out weakPtr) && weakPtr.IsAlive)
{
if (completeCallback != null)
{
completeCallback(assetName);
}
return;
}
//由update决定下一帧是读取bundle还是读取asset
var assetLoader = new KTAssetLoader()
{
loaderType = KTAssetLoader.LoaderType.Scene,
requestAssetName = assetName,
requestBundleName = requestBundleName,
cacheType = cacheType,
cacheTimeout = cacheTimeout,
dependentBundleNames = m_manifest.GetAllDependencies(requestBundleName).ToList(),
sceneRequest = null,
sceneCompleteCallback = completeCallback
};
m_assetLoading.Add(assetName, assetLoader);
}