public Res LoadRes(ResSearchKeys resSearchKeys)
{
var res = GetResFromCache(resSearchKeys);
if (res != null)
{
if (res.State == ResState.Loaded)
{
return(res);
}
if (res.State == ResState.Loading)
{
// 正在做异步加载
res.StopLoadAsyncTask();
res.Load();
return(res);
}
if (res.State == ResState.NotLoad)
{
throw new Exception(string.Format("{0} 状态异常 {1}", resSearchKeys, res.State));
}
}
// 如果都未记录，则通过 ResFactory.Create 创建资源
res = ResFactory.Create(resSearchKeys);
if (res == null)
{
return(null);
}
// 记录到资源共享池中
ResMgr.Instance.AddRes(res);
// 添加到 ResLoader 以加载的列表
Add2LoadedReses(res);
// 做加载操作
res.Load();
return(res);
}
public void LoadResAsync(ResSearchKeys resSearchKeys, Action <bool, Res> onLoad)
{
var res = GetResFromCache(resSearchKeys);
if (res != null)
{
if (res.State == ResState.Loaded)
{
onLoad(true, res);
}
else if (res.State == ResState.Loading)
{
// 有可能正在进行着异步加载，直接注册即可。
res.RegisterOnLoadEventOnce(onLoad);
}
else
{
Debug.LogErrorFormat("{0} 状态异常 {1}", resSearchKeys, res.State);
onLoad(false, null);
}
return;
}
// 如果都未记录，则通过 ResFactory.Create 创建资源
res = ResFactory.Create(resSearchKeys);
if (res == null)
{
onLoad(false, null);
return;
}
// 记录到资源共享池中
ResMgr.Instance.AddRes(res);
// 添加到 ResLoader 以加载的列表
Add2LoadedReses(res);
// 注册加载的事件
res.RegisterOnLoadEventOnce(onLoad);
// 做加载操作
res.LoadAsync();
}
/// <summary>
/// 从 Cache 中获取资源
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
Res GetResFromCache(ResSearchKeys resSearchKeys)
{
var res = mLoadedReses.GetResWithSearchKeys(resSearchKeys);
// 先判断当前脚本有没有加载过资源，加载过则直接返回
if (res != null)
{
return(res);
}
// 如果没在当前脚本加载过，则判断资源共享池中是否加载过（其他脚本是否正在使用资源）
res = ResMgr.Instance.GetRes(resSearchKeys);
if (res != null)
{
Add2LoadedReses(res);
return(res);
}
return(null);
}
public override bool MatchResSearchKeysWithoutName(ResSearchKeys resSearchKeys)
{
return(resSearchKeys.OwnerBundleName == OwnerBundleName && resSearchKeys.ResType == ResType);
}
public virtual bool MatchResSearchKeysWithoutName(ResSearchKeys resSearchKeys)
{
return(resSearchKeys.ResType == ResType);
}
// 新增
public Res GetResWithSearchKeys(ResSearchKeys resSearchKeys)
{
return(NameIndex.Get(resSearchKeys.Address)
.FirstOrDefault(r => r.MatchResSearchKeysWithoutName(resSearchKeys)));
}
public Res GetRes(ResSearchKeys resSearchKeys)
{
return(mLoadedReses.GetResWithSearchKeys(resSearchKeys));
}