LoadReturnArgs LoadAssetScene(ref SceneLoadArgs args, AssetBundleTaskType type = AssetBundleTaskType.LoadAsset | AssetBundleTaskType.Sync)
{
if (_assetBundleFeature != null)
{
AssetBundleContext context = _assetBundleFeature.StartRead();
AssetBundleInfo info;
GameAssetBundle gameAssetBundle;
if (CanLoad(ref context, args.AssetPath, out info, out gameAssetBundle))
{
AssetBundleTask task = new AssetBundleTask();
task.AssetInfo = info;
task.TaskLoadType = type;
task.TaskId = ++_taskid;
task.TaskResType = TaskResType.Scene;
task.Priority = args.Priority;
task.CreateTime = Time.realtimeSinceStartup;
task.LoadSceneMode = args.SceneMode;
context.AddTask(ref task);
_assetBundleFeature.EndRead(ref context);
LoadReturnArgs returnArgs = new LoadReturnArgs(this._assetBundleFeature, task.TaskId);
return(returnArgs);
}
}
return(default(LoadReturnArgs));
}
LoadReturnArgs LoadCommonAsset(ref CommonLoadArgs args, AssetBundleTaskType type = AssetBundleTaskType.Sync | AssetBundleTaskType.LoadAsset)
{
if (_assetBundleFeature != null)
{
AssetBundleContext context = _assetBundleFeature.StartRead();
AssetBundleInfo info;
GameAssetBundle gameAssetBundle;
if (CanLoad(ref context, args.AssetPath, out info, out gameAssetBundle))
{
AssetBundleTask task = new AssetBundleTask();
//
task.AssetInfo = info;
task.TaskLoadType = type;
task.TaskId = ++_taskid;
task.TaskResType = TaskResType.Common;
task.Priority = args.Priority;
task.CreateTime = Time.realtimeSinceStartup;
//
Debug.LogFormat("Task ---- {0} Created", task);
context.AddTask(ref task);
_assetBundleFeature.EndRead(ref context);
LoadReturnArgs returnArgs = new LoadReturnArgs(this._assetBundleFeature, task.TaskId);
return(returnArgs);
}
}
return(default(LoadReturnArgs));
}
public HashSet <KeyValuePair <IgnoreCaseString, GameAssetBundle> > Record(ref AssetBundleContext data, ref bool force, Dictionary <IgnoreCaseString, GameAssetBundle> targets)
{
HashSet <KeyValuePair <IgnoreCaseString, GameAssetBundle> > result = null;
foreach (var pair in targets)
{
var gameAssetBundle = pair.Value;
bool inmemory = gameAssetBundle.AssetStatus.HasEnum(AssetBundleStatus.InMemory);
bool canUnload = gameAssetBundle.CanUnLoad;
bool nointask = !InTask(ref data, ref gameAssetBundle);
bool noinscene = !InScene(ref data, ref gameAssetBundle);
bool hasactivescene = HasShowScene();
if (force ||
(inmemory && canUnload && nointask && noinscene && hasactivescene))
{
if (result == null)
{
result = HashSetPool <KeyValuePair <IgnoreCaseString, GameAssetBundle> > .Get();
}
KeyValuePair <IgnoreCaseString, GameAssetBundle> tuple = new KeyValuePair <IgnoreCaseString, GameAssetBundle>(pair.Key, gameAssetBundle);
result.Add(tuple);
}
}
return(result);
}
protected override void LoadMainAsset(ref AssetBundleContext context, ref AssetBundleTask task, ref GameAssetBundle gameAssetBundle, ref bool retcode)
{
if (task.IsAsync())
{
if (gameAssetBundle.SceneRequest == null)//准备加载场景
{
gameAssetBundle.SceneRequest = SceneManager.LoadSceneAsync(task.AssetPath, task.LoadSceneMode);
if (gameAssetBundle.SceneRequest != null)
{
gameAssetBundle.SceneRequest.allowSceneActivation = false;
}
if (task.Result.ProgresCallback != null)
{
ProgressArgs progressArgs = new ProgressArgs(0, 0, task.AssetPath, true);
task.Result.ProgresCallback(ref progressArgs);
}
}
else if (gameAssetBundle.SceneRequest != null)//检查加载场景的状态
{
if (Mathf.Abs(gameAssetBundle.SceneRequest.progress - 0.9f) < 0.001f)
{
gameAssetBundle.AssetStatus |= AssetBundleStatus.InMemory;
//暂时不释放
AssetBundleFunction.AddRef(ref context, ref gameAssetBundle, task.AssetPath);
task.Result.scene = gameAssetBundle.SceneRequest;
gameAssetBundle.SceneRequest = null;
if (task.Result.ProgresCallback != null)
{
ProgressArgs progressArgs = new ProgressArgs(1, 0, task.AssetPath, true);
task.Result.ProgresCallback(ref progressArgs);
}
task.FinishTime = Time.realtimeSinceStartup;
retcode = true;
}
}
}
else
{
SceneManager.LoadScene(task.AssetPath, task.LoadSceneMode);
gameAssetBundle.AssetStatus |= AssetBundleStatus.InMemory;
AssetBundleFunction.AddRef(ref context, ref gameAssetBundle, task.AssetPath);
if (task.Result.ProgresCallback != null)
{
ProgressArgs progressArgs = new ProgressArgs(1, 0, task.AssetPath, true);
task.Result.ProgresCallback(ref progressArgs);
}
task.FinishTime = Time.realtimeSinceStartup;
retcode = true;
}
}
public bool IsDone(ref AssetBundleContext context, out GameAssetBundle assetBundle)
{
if (context.Cache.GetAssetBundle(AssetBundleName, out assetBundle))
{
//异步请求还未完成
if (assetBundle.LoadRequest != null || assetBundle.LoadAssetRequest != null ||
assetBundle.SceneRequest != null || assetBundle.UnloadSceneRequest != null)
{
return(false);
}
if (AssetBundleConfig.IsSimulator())
{
return(true);
}
///被预加载pin住的
if (IsPreLoad() && PinTime > 0)
{
if (FinishTime > CreateTime)
{
return(Time.realtimeSinceStartup - FinishTime > PinTime);
}
return(false);
}
//正在下载的
if (AssetBundleFunction.InDowloading(ref context, ref this))
{
return(false);
}
//加载异常
if (AssetBundleConfig.SafeMode && assetBundle.IsException())
{
return(true);
}
else if (assetBundle.AssetStatus.HasEnum(AssetBundleStatus.InMemory)) //加载正常
{
int finish;
int total;
return(IsSubAllDone(ref context, out finish, out total));
}
//else if(assetBundle.AssetStatus == AssetBundleStatus.None)//啥事也没干的task
//{
// return true;
//}
}
else
{
return(true);
}
return(false);
}
bool InTask(ref AssetBundleContext context, ref GameAssetBundle gameAssetBundle)
{
if (context.Tasks != null)
{
for (int i = 0; i < context.Tasks.Count; i++)
{
var task = context.Tasks[i];
if (InTask(ref gameAssetBundle, ref task))
{
return(true);
}
}
}
return(false);
}
public void Run(ref AssetBundleContext context, AssetEvent eEvent)
{
bool force = eEvent == AssetEvent.Destroy;
//简单点，暂时不准备做更精细的task 依赖比较，可能会cost 更多的时间，但是很多时候并不需要这么精确
bool inLoading = context.Tasks == null ? false : context.Tasks.Count > 0;
if (!inLoading || force)
{
var result = Record(ref context, ref force, context.Cache.GetAllAssetBundle());
if (result != null && result.Count > 0)
{
UnLoad(result, ref context);
}
}
}
public bool IsSubAllDone(ref AssetBundleContext context, out int finishcount, out int total)
{
finishcount = 0;
total = 0;
if (SubTasks != null)
{
for (int i = 0; i < SubTasks.Count; i++)
{
var subtask = SubTasks[i];
if (!SubAllDone(ref context, ref subtask, ref finishcount, ref total))
{
return(false);
}
}
}
return(true);
}
//public void UnLoadAsset(string assetpath)
//{
// if(_assetBundleFeature != null)
// {
// var context = _assetBundleFeature.StartRead();
// AssetBundleInfo info;
// GameAssetBundle gameAssetBundle;
// if(context.Cache.TryGetInfo(assetpath,out info) && context.Cache.GetAssetBundle(info.AssetName,out gameAssetBundle))
// {
// //gameAssetBundle.RemoveUserRef();
// context.Cache.UpdateAssetBundle(info.AssetBundleName, ref gameAssetBundle);
// }
// _assetBundleFeature.EndRead(ref context);
// }
//}
//public void UnLoadAsset(Object obj)
//{
// if (_assetBundleFeature != null)
// {
// var context = _assetBundleFeature.StartRead();
// bool contains = false;
// GameAssetBundle tempbundle = default(GameAssetBundle);
// foreach(var gameassetbundle in context.Cache.GetAllAssetBundle())
// {
// if(gameassetbundle.Value.Contains(obj))
// {
// tempbundle = gameassetbundle.Value;
// contains = true;
// break;
// }
// }
// if(contains)
// {
// //tempbundle.RemoveUserRef();
// context.Cache.UpdateAssetBundle(tempbundle.AssetBundleInfo.AssetBundleName,ref tempbundle);
// }
// _assetBundleFeature.EndRead(ref context);
// }
//}
/// <summary>
/// 这里会检查是否包含assetbundle info ，是否已经加载,是否是异常资源
/// </summary>
internal bool CanLoad(ref AssetBundleContext context, string assetpath, out AssetBundleInfo info, out GameAssetBundle assetbundle)
{
if (context.Cache.CanLoad(assetpath, out info))
{
if (!context.Cache.GetAssetBundle(info.AssetBundleName, out assetbundle))
{
assetbundle.AssetBundleInfo = info;
context.Cache.UpdateAssetBundle(info.AssetBundleName, ref assetbundle);
}
return(true);
}
else
{
Debug.LogErrorFormat("{0} can't Load ", assetpath);
}
assetbundle = default(GameAssetBundle);
return(false);
}
public bool IsStatus(ref AssetBundleContext context, out GameAssetBundle assetBundle, AssetBundleStatus status)
{
if (context.Cache.GetAssetBundle(AssetBundleName, out assetBundle))
{
if (assetBundle.AssetStatus.ContainsEnum(status))
{
return(true);
}
else if (SubTasks != null && SubTasks.Count > 0)
{
for (int i = 0; i < SubTasks.Count; i++)
{
if (SubTasks[i].IsStatus(ref context, status))
{
return(true);
}
}
}
}
return(false);
}
internal static void AddRef(ref AssetBundleContext context, ref GameAssetBundle gameAssetBundle, string rootpath)
{
gameAssetBundle.AddUserRef(rootpath);
context.Cache.UpdateAssetBundle(gameAssetBundle.AssetBundleInfo.AssetBundleName, ref gameAssetBundle);
if (gameAssetBundle.AssetBundleInfo.DepAssetBundleNames != null)
{
foreach (var depname in gameAssetBundle.AssetBundleInfo.DepAssetBundleNames)
{
if (!string.IsNullOrEmpty(depname))
{
GameAssetBundle depassetbundle;
if (context.Cache.GetAssetBundle(depname, out depassetbundle))
{
AddRef(ref context, ref depassetbundle, rootpath);
}
}
}
}
}
bool InScene(ref AssetBundleContext context, ref GameAssetBundle gameAssetBundle)
{
if (gameAssetBundle.AssetBundleInfo.AssetResType == AssetBundleResType.Scene)
{
var allassets = context.Cache.GetPathsInSceneAsset(gameAssetBundle.AssetBundleInfo.AssetBundleName);
if (allassets != null && allassets.Count > 0)
{
#pragma warning disable
var allscenes = SceneManager.GetAllScenes();
#pragma warning restore
foreach (var scene in allscenes)
{
if (allassets.Contains(scene.path))
{
return(true);
}
}
}
}
return(false);
}
private static bool SubAllDone(ref AssetBundleContext context, ref AssetBundleTask task, ref int finishcount, ref int total)
{
total++;
if (task.SubTasks != null)
{
for (int i = 0; i < task.SubTasks.Count; i++)
{
var subtask = task.SubTasks[i];
if (!SubAllDone(ref context, ref subtask, ref finishcount, ref total))
{
return(false);
}
}
}
GameAssetBundle gameAssetBundle;
if (context.Cache.GetAssetBundle(task.AssetBundleName, out gameAssetBundle))
{
if (AssetBundleConfig.SafeMode && gameAssetBundle.IsException())
{
return(false);
}
else if (gameAssetBundle.AssetStatus.HasEnum(AssetBundleStatus.InMemory))
{
finishcount++;
return(true);
}
}
#pragma warning disable
else if (!AssetBundleConfig.SafeMode)
{
return(true);
}
#pragma warning restore
return(false);
}
internal static bool InDowloading(ref AssetBundleContext context, ref AssetBundleTask task)
{
AssetDownloadInfo downloadInfo = new AssetDownloadInfo();
downloadInfo.AssetBundleName = task.AssetBundleName;
if (context.DownLoadQueue.Contains(downloadInfo))
{
return(true);
}
if (task.SubTasks != null)
{
for (int i = 0; i < task.SubTasks.Count; i++)
{
var subtask = task.SubTasks[i];
if (InDowloading(ref context, ref subtask))
{
return(true);
}
}
}
return(false);
}
internal static void AddAssetBundleRef(ref AssetBundleContext context, ref AssetBundleInfo assetbundleinfo, string name, Object target)
{
GameAssetBundle gameAssetBundle;
if (context.Cache.GetAssetBundle(name, out gameAssetBundle))
{
gameAssetBundle.AddReference(target);
context.Cache.UpdateAssetBundle(name, ref gameAssetBundle);
}
if (assetbundleinfo.DepAssetBundleNames != null)
{
for (int i = 0; i < assetbundleinfo.DepAssetBundleNames.Length; i++)
{
var assetbundlename = assetbundleinfo.DepAssetBundleNames[i];
string resname = assetbundleinfo.DependNames[i];
AssetBundleInfo runtimedata;
if (!string.IsNullOrEmpty(assetbundlename) && context.Cache.TryGetInfo(resname, out runtimedata))
{
AddAssetBundleRef(ref context, ref runtimedata, assetbundlename, target);
}
}
}
}
public void UnLoad(HashSet <KeyValuePair <IgnoreCaseString, GameAssetBundle> > removeList, ref AssetBundleContext context)
{
foreach (var pair in removeList)
{
GameAssetBundle assetBundle = pair.Value;
var key = pair.Key;
if (assetBundle.AssetBundle != null)
{
Debug.LogFormat("UnLoad {0}", assetBundle.AssetBundle);
//UnLoadAsset
var allassets = assetBundle.GetAllAssets();
if (allassets != null)
{
foreach (var kvAllasset in allassets)
{
var asset = kvAllasset.Value;
if (asset != null)
{
UnityEngine.Object.DestroyImmediate(asset, true);
}
}
}
//Unload Reference
if (assetBundle.References != null)
{
for (int i = 0; i < assetBundle.References.Count; i++)
{
var target = assetBundle.References[i];
if (target != null && target.IsAlive && target.Target != null && target.Target is UnityEngine.Object)
{
UnityEngine.Object.Destroy(target.Target as UnityEngine.Object);
}
}
}
assetBundle.AssetBundle.Unload(true);
assetBundle.Dispose();
}
context.Cache.RemoveAssetBundle(key);
}
if (removeList != null && removeList.Count > 0)
{
HashSetPool <KeyValuePair <IgnoreCaseString, GameAssetBundle> > .Release(removeList);
#if UNITY_EDITOR
Debug.LogFormat("<color=#ff0a22ff>left AssetBundle Count:{0} at :{1}</color>", context.Cache.AssetBundleCount(), Time.frameCount);
#else
Debug.LogFormat("left AssetBundle Count:{0} at :{1}", context.Cache.AssetBundleCount(), Time.frameCount);
#endif
context.IsDestroying = false;
}
}
protected override bool IsEnableLoadAssetBunlde(ref AssetBundleContext context, ref AssetBundleTask task, ref GameAssetBundle gameAssetBundle)
{
return(task.FreeSize || _size < Mathf.Max(1, AssetBundleConfig.TaskLoadAssetLimit));
}
protected override void AfterLoadAssetBundle(ref AssetBundleContext context, ref AssetBundleTask task, ref GameAssetBundle gameAssetBundle, ref bool retcode, ref bool mainloadrequest)
{
_size += gameAssetBundle.AssetBundleInfo.AssetSize;
base.AfterLoadAssetBundle(ref context, ref task, ref gameAssetBundle, ref retcode, ref mainloadrequest);
}
protected override bool IsEnableTask(ref AssetBundleContext context, ref AssetBundleTask task)
{
return(task.TaskResType <= TaskResType.GameObject && base.IsEnableTask(ref context, ref task));
}
public bool IsDone(ref AssetBundleContext context)
{
GameAssetBundle assetBundle;
return(IsDone(ref context, out assetBundle));
}
protected override void TryDoTask(ref AssetBundleContext context)
{
_size = 0;
base.TryDoTask(ref context);
}
public bool IsStatus(ref AssetBundleContext context, AssetBundleStatus status)
{
GameAssetBundle assetBundle;
return(IsStatus(ref context, out assetBundle, status));
}