Exemplo n.º 1
0
        public void Clear()
        {
            if (!mInitialized)
            {
                return;
            }

            LoadState = WIGroupLoadState.Loaded;
            RootGroup = null;

            NotPreparedToUnload.Clear();
            PreparingToUnload.Clear();
            ReadyToUnload.Clear();
            Unloading.Clear();
            FinishedUnloading.Clear();
            ReadyToDestroy.Clear();

            NotPreparedToUnload = null;
            PreparingToUnload   = null;
            ReadyToUnload       = null;
            Unloading           = null;
            FinishedUnloading   = null;
            ReadyToDestroy      = null;
        }
Exemplo n.º 2
0
        //called by Groups manager
        public IEnumerator CheckGroupLoadStates()
        {
            if (!mInitialized)
            {
                yield break;
            }

            if (RootGroup == null || RootGroup.IsDestroyed)
            {
                Debug.Log("ROOT GROUP was null or destroyed in unloader, we're finished");
                yield break;
            }
            //we may have to backtrack if new groups were added
            if (NotPreparedToUnload.Count > 0)
            {
                LoadState = WIGroupLoadState.Loaded;
            }
            else if (PreparingToUnload.Count > 0)
            {
                LoadState = WIGroupLoadState.PreparingToUnload;
            }
            else if (Unloading.Count > 0)
            {
                LoadState = WIGroupLoadState.Unloading;
            }

            switch (LoadState)
            {
            case WIGroupLoadState.Loaded:
                //tell everyone in the Loaded list to prepare to unload
                //then move them all into preparing to unload
                //---TRANSITION TO PREPARED TO UNLOAD---//
                for (int i = NotPreparedToUnload.LastIndex(); i >= 0; i--)
                {
                    if (NotPreparedToUnload [i].PrepareToUnload())
                    {
                        PreparingToUnload.Add(NotPreparedToUnload [i]);
                        NotPreparedToUnload.RemoveAt(i);
                    }
                    yield return(null);
                }
                if (NotPreparedToUnload.Count == 0 && RootGroup.PrepareToUnload())
                {
                    LoadState = WIGroupLoadState.PreparingToUnload;
                    //RootGroup.LoadState = WIGroupLoadState.PreparingToUnload;
                }
                yield return(null);

                break;

            case WIGroupLoadState.PreparingToUnload:
                //go through each child group and ask if it's ready to unload
                //this will force the group to ask each of its child items
                //if it's prepared we move it to the prepared to unload group
                for (int i = PreparingToUnload.LastIndex(); i >= 0; i--)
                {
                    WIGroup loadedGroup = PreparingToUnload [i];
                    if (loadedGroup.ReadyToUnload)
                    {
                        PreparingToUnload.RemoveAt(i);
                        ReadyToUnload.Add(loadedGroup);
                    }
                    yield return(null);
                    //yield return null;
                }
                //---TRANSITION TO UNLOADING---//
                //if all are ready to unload and there are no more not prepared to unload
                //then begin unload - there's no turning back at this point!
                if (PreparingToUnload.Count == 0 && RootGroup.ReadyToUnload)
                {
                    Unloading.AddRange(ReadyToUnload);
                    ReadyToUnload.Clear();
                    for (int i = 0; i < Unloading.Count; i++)
                    {
                        Unloading [i].BeginUnload();
                    }
                    RootGroup.BeginUnload();
                    LoadState = WIGroupLoadState.Unloading;
                    //RootGroup.LoadState = WIGroupLoadState.Unloading;
                }
                yield return(null);

                break;

            case WIGroupLoadState.Unloading:
                if (Unloading.Count > 0)
                {
                    for (int i = Unloading.LastIndex(); i >= 0; i--)
                    {
                        if (Unloading [i].FinishedUnloading)
                        {
                            FinishedUnloading.Add(Unloading [i]);
                            Unloading.RemoveAt(i);
                            //this generates a huge amount of garbage
                            yield break;
                        }
                                                #if UNITY_EDITOR
                        else
                        {
                            LastHoldout = Unloading [i].FileName + " " + Unloading [i].HoldoutChildItem;
                        }
                                                #endif
                        yield return(null);
                    }
                }
                else
                {
                    if (FinishedUnloading.Count > 0)
                    {
                        for (int i = FinishedUnloading.LastIndex(); i >= 0; i--)
                        {
                            if (FinishedUnloading [i] == null || FinishedUnloading [i].IsDestroyed)
                            {
                                FinishedUnloading.RemoveAt(i);
                            }
                            else
                            {
                                //we see if it's ready to actually be destroyed
                                //no groups greater than [x] depth that have not been destroyed
                                                                #if UNITY_EDITOR
                                LastHoldout = FinishedUnloading [i].FileName + " " + FinishedUnloading [i].HoldoutChildItem;
                                                                #endif
                                if (!FinishedUnloading [i].HasChildGroups)
                                {
                                    ReadyToDestroy.Add(FinishedUnloading [i]);
                                    FinishedUnloading.RemoveAt(i);
                                }
                            }
                            yield return(null);
                        }
                    }
                    else
                    {
                    }
                }

                yield return(null);

                //---TRANSITION TO UNLOADED---//
                //if we have more than just the root group then we wait until the root group is finished unloading to kill everything
                if (FinishedUnloading.Count == 0 && ReadyToDestroy.Count == 0)
                {
                    if (!RootGroup.FinishedUnloading)
                    {
                        //now it will be detsroyed by WIGroups
                                                #if UNITY_EDITOR
                        LastHoldout = RootGroup.FileName + " " + RootGroup.HoldoutChildItem;
                                                #endif
                        if (RootGroup.PrepareToUnload())
                        {
                            RootGroup.BeginUnload();
                        }
                    }
                    else
                    {
                        LoadState = WIGroupLoadState.Unloaded;
                    }
                }
                break;

            case WIGroupLoadState.Unloaded:
                //nothing left to do
                break;

            default:
                Debug.Log("Weird load state in WIGroupUnloader: " + LoadState.ToString());
                break;
            }

            yield break;
        }