/// <summary>
/// 把资源列表加入指定块中,并且返回需下载的资源列表.
/// 保证如果存在块中,这个资源必然已经加载或者正在加载中.
/// </summary>
/// <param name="chunk">Chunk.</param>
/// <param name="resArray">过滤后需要下载的列表</param>
private void PushResources(ResourcesChunkData chunkData, ref List <string> resArray)
{
for (int i = resArray.Count - 1; i >= 0; i--)
{
if (!chunkData.resHash.Contains(resArray[i]))
{
int deleteIndex;
// 如果有缓存不用加入
if (mCacheData.ContainsKey(resArray[i]))
{
mCacheData[resArray[i]].AddReference();
chunkData.resHash.Add(resArray[i]);
resArray.RemoveAt(i);
}
else if (FindInDelete(resArray[i], out deleteIndex))
{
ResourcesData data = ActivateDeleteCache(deleteIndex);
data.AddReference();
mCacheData.Add(data.Name, data);
chunkData.resHash.Add(resArray[i]);
resArray.RemoveAt(i);
}
else
{
mCacheData.Add(resArray[i], new ResourcesData(resArray[i]));
chunkData.resHash.Add(resArray[i]);
}
}
else
{
resArray.RemoveAt(i);
}
}
}
private void FilterChunk(ResourcesChunkData chunkData, ref List <string> resArray)
{
for (int i = resArray.Count - 1; i >= 0; i--)
{
if (chunkData.resHash.Contains(resArray[i]))
{
resArray.RemoveAt(i);
}
}
}
private void CreateLoadTask(ResourcesChunkData chunkData, List <string> resList, System.Action call)
{
MultiForWww multi = new MultiForWww
{
Data = call,
OnAllCompleted = OnMultiCompleted,
OnSubCompleted = OnLoadCompleted
};
multi.Start(resList);
mLoadTask.Add(multi);
}
public void Unload(string chunkName)
{
ResourcesChunkData chunkData = null;
if (mChunkData.TryGetValue(chunkName, out chunkData))
{
foreach (string iter in chunkData.resHash)
{
ResourcesData resData;
if (mCacheData.TryGetValue(iter, out resData))
{
mCacheData[iter].LessenReference();
}
}
mChunkData.Remove(chunkName);
}
}
public void Load(string[] resArray, string chunk, System.Action call)
{
#if USE_5_BUNDLE
for (int i = 0; i < resArray.Length; i++)
{
resArray[i] = resArray[i].ToLower();
}
#endif
// 1. 是否有相同的块
// 2. 资源是否存在缓存中
// 3. 资源是否正在加载中(存在于块中)
List <string> loadArray = null;
ResourcesChunkData chunkData = null;
if (!ExistInChunk(chunk))
{
chunkData = new ResourcesChunkData(chunk);
mChunkData.Add(chunk, chunkData);
}
else
{
chunkData = mChunkData[chunk];
}
// TODO: 这里可以先过滤一遍chunk
// FilterChunk(,)
// 获取资源列表
loadArray = GetFullLoadList(resArray);
// 加入资源列表.
// 1. 如果是新资源,在加载前自动加入缓存,ref = 0.
// 2. 当加载成功ref自增加一
// 3. 引用为0时并且IsLoad = true,表示这个资源没有被任何块引用.可以卸载.
PushResources(chunkData, ref loadArray);
CreateLoadTask(chunkData, loadArray, call);
}
