public void Tick(float a_fElapsed)
{
AssetPackage assetPackage = null;
for (int i = 0; i < m_listLoadingPackage.Count; ++i)
{
assetPackage = m_listLoadingPackage[i];
assetPackage.Tick(a_fElapsed);
if (assetPackage.LoadState != EAssetLoadState.Loading)
{
m_listLoadingPackage.RemoveAt(i);
--i;
}
}
AssetDesc assetDesc = null;
for (int i = 0; i < m_listLoadingAssetDescs.Count; ++i)
{
assetDesc = m_listLoadingAssetDescs[i];
assetDesc.Tick(a_fElapsed);
if (assetDesc.LoadState != EAssetLoadState.Loading)
{
m_listLoadingAssetDescs.RemoveAt(i);
--i;
}
}
}
/// <summary>
/// 加载资源
/// 注意：
/// 如果资源正在异步加载，那么无法再进行同步加载资源，返回的AssetObj里的资源对象为空，并有异步加载的进度，可供查询！
/// 养成良好的编码习惯，查询AssetObj的加载状态
/// </summary>
/// <param name="a_strPath">资源路径</param>
/// <param name="a_assetType">资源类型，默认类型填写typeof(Object)</param>
/// <param name="a_bFromPool">是否从池子里加载</param>
/// <param name="a_bAsync">是否异步加载</param>
/// <param name="a_onLoadFinished">加载完成的回调</param>
/// <returns></returns>
public AssetObj CreateAsset(string a_strPath, Type a_assetType = null, bool a_bFromPool = false, bool a_bAsync = false, UnityAction <AssetObj> a_onLoadFinished = null)
{
AssetObj assetObj = null;
if (a_bFromPool)
{
// 从池子里取资源对象
ObjectPool <AssetObj> objectPool = null;
m_dictAssetObjPool.TryGetValue(a_strPath, out objectPool);
if (objectPool == null)
{
objectPool = new ObjectPool <AssetObj>(_OnAssetObjGet, _OnAssetObjRelease, _OnAssetObjDestroy);
m_dictAssetObjPool.Add(a_strPath, objectPool);
}
assetObj = objectPool.Get();
if (assetObj.LoadState == EAssetLoadState.Invalid)
{
assetObj.Load(_GetAssetDesc(a_strPath, a_assetType), a_bAsync, a_onLoadFinished);
}
else if (assetObj.LoadState == EAssetLoadState.Loading)
{
assetObj.RegisterFinishedCallback(a_onLoadFinished);
}
else
{
a_onLoadFinished(assetObj);
}
}
else
{
// 直接创建资源对象
assetObj = new AssetObj();
assetObj.Load(_GetAssetDesc(a_strPath, a_assetType), a_bAsync, a_onLoadFinished);
}
if (assetObj.LoadState == EAssetLoadState.Loading)
{
AssetDesc assetDesc = assetObj.Desc;
if (assetDesc != null && assetDesc.LoadState == EAssetLoadState.Loading)
{
if (m_listLoadingAssetDescs.Contains(assetDesc) == false)
{
m_listLoadingAssetDescs.Add(assetDesc);
}
AssetPackage assetPackage = assetDesc.Package;
if (assetPackage != null && assetPackage.LoadState == EAssetLoadState.Loading)
{
if (m_listLoadingPackage.Contains(assetPackage) == false)
{
m_listLoadingPackage.Add(assetPackage);
}
}
}
}
return(assetObj);
}
private AssetDesc _GetAssetDesc(string a_strPath, Type a_type)
{
AssetDesc assetDesc = null;
m_dictAssetDescs.TryGetValue(a_strPath, out assetDesc);
if (assetDesc == null)
{
assetDesc = new AssetDesc(a_strPath, a_type);
m_dictAssetDescs.Add(a_strPath, assetDesc);
}
return(assetDesc);
}
private void _OnDescLoadFinished(AssetDesc a_desc)
{
if (a_desc.LoadState == EAssetLoadState.Done)
{
Obj = Object.Instantiate(Desc.AssetTemplate);
LoadState = EAssetLoadState.Done;
}
else
{
LoadState = EAssetLoadState.Error;
}
while (
m_listOnLoadFinished.Count > 0 &&
(LoadState == EAssetLoadState.Done || LoadState == EAssetLoadState.Error)
)
{
UnityAction <AssetObj> unityAction = m_listOnLoadFinished.Dequeue();
unityAction(this);
}
}
/// <summary>
/// 初始化
/// 实例化操作，如果资源量大，会比较耗时
/// </summary>
/// <param name="a_desc">资源描述</param>
public void Load(AssetDesc a_desc, bool a_bAsync, UnityAction <AssetObj> a_onLoadFinished)
{
if (a_desc == null)
{
Logger.Error("加载资源，资源描述为空！！");
return;
}
if (LoadState == EAssetLoadState.Invalid)
{
Desc = a_desc;
RegisterFinishedCallback(a_onLoadFinished);
LoadState = EAssetLoadState.Loading;
Desc.Load(a_bAsync, _OnDescLoadFinished);
}
else
{
Logger.Error("请求加载资源[{0}]，内部状态错误：{1}！", a_desc.Path, LoadState);
}
//if (LoadState == EAssetLoadState.Invalid)
//{
// Desc = a_desc;
// m_onLoadFinished = a_onLoadFinished;
// LoadState = EAssetLoadState.Loading;
// Desc.Load(a_bAsync, _OnDescLoadFinished);
//}
//else if (LoadState == EAssetLoadState.Loading)
//{
// m_onLoadFinished = a_onLoadFinished;
//}
//else if (LoadState == EAssetLoadState.Done || LoadState == EAssetLoadState.Error)
//{
// if (a_onLoadFinished != null)
// {
// a_onLoadFinished(this);
// }
//}
}
