129 lines
4.2 KiB
C#
129 lines
4.2 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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namespace YooAsset
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{
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public class InitializationOperation : AsyncOperationBase
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{
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private enum ESteps
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{
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None,
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Prepare,
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ClearOldFileSystem,
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InitFileSystem,
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CheckInitResult,
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Done,
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}
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private readonly PlayModeImpl _impl;
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private readonly List<FileSystemParameters> _parametersList;
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private List<FileSystemParameters> _cloneList;
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private FSInitializeFileSystemOperation _initFileSystemOp;
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private ESteps _steps = ESteps.None;
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internal InitializationOperation(PlayModeImpl impl, List<FileSystemParameters> parametersList)
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{
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_impl = impl;
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_parametersList = parametersList;
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}
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internal override void InternalStart()
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{
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_steps = ESteps.Prepare;
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}
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internal override void InternalUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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if (_steps == ESteps.Prepare)
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{
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if (_parametersList == null || _parametersList.Count == 0)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "The file system parameters is empty !";
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return;
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}
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foreach (var fileSystemParam in _parametersList)
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{
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if (fileSystemParam == null)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "An empty object exists in the list!";
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return;
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}
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}
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_cloneList = _parametersList.ToList();
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_steps = ESteps.ClearOldFileSystem;
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}
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if (_steps == ESteps.ClearOldFileSystem)
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{
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// 注意：初始化失败后可能会残存一些旧的文件系统！
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foreach (var fileSystem in _impl.FileSystems)
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{
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fileSystem.OnDestroy();
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}
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_impl.FileSystems.Clear();
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_steps = ESteps.InitFileSystem;
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}
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if (_steps == ESteps.InitFileSystem)
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{
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if (_cloneList.Count == 0)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Succeed;
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}
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else
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{
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var fileSystemParams = _cloneList[0];
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_cloneList.RemoveAt(0);
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IFileSystem fileSystemInstance = fileSystemParams.CreateFileSystem(_impl.PackageName);
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if (fileSystemInstance == null)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "Failed to create file system instance !";
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return;
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}
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_impl.FileSystems.Add(fileSystemInstance);
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_initFileSystemOp = fileSystemInstance.InitializeFileSystemAsync();
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_initFileSystemOp.StartOperation();
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AddChildOperation(_initFileSystemOp);
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_steps = ESteps.CheckInitResult;
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}
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}
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if (_steps == ESteps.CheckInitResult)
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{
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_initFileSystemOp.UpdateOperation();
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Progress = _initFileSystemOp.Progress;
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if (_initFileSystemOp.IsDone == false)
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return;
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if (_initFileSystemOp.Status == EOperationStatus.Succeed)
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{
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_steps = ESteps.InitFileSystem;
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = _initFileSystemOp.Error;
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return;
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}
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}
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}
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internal override string InternalGetDesc()
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{
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return $"PlayMode : {_impl.PlayMode}";
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}
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}
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} |