104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "../ContentLoadTask.h"
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#include "Engine/Content/Asset.h"
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#include "Engine/Content/AssetReference.h"
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#include "Engine/Content/WeakAssetReference.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Profiler/ProfilerCPU.h"
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/// <summary>
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/// Asset loading task object.
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/// </summary>
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class LoadAssetTask : public ContentLoadTask
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{
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="LoadAssetTask"/> class.
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/// </summary>
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/// <param name="asset">The asset to load.</param>
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LoadAssetTask(Asset* asset)
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: ContentLoadTask(Type::LoadAsset)
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, Asset(asset)
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{
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}
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~LoadAssetTask()
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{
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if (Asset)
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{
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Asset->Locker.Lock();
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if (Asset->_loadingTask == this)
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{
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Asset->_loadFailed = true;
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Asset->_isLoaded = false;
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LOG(Error, "Loading asset \'{0}\' result: {1}.", ToString(), ToString(Result::TaskFailed));
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Asset->_loadingTask = nullptr;
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}
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Asset->Locker.Unlock();
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}
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}
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public:
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WeakAssetReference<Asset> Asset;
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public:
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// [ContentLoadTask]
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bool HasReference(Object* obj) const override
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{
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return obj == Asset;
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}
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protected:
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// [ContentLoadTask]
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Result run() override
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{
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PROFILE_CPU();
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// Keep valid ref to the asset
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AssetReference<::Asset> ref = Asset.Get();
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if (ref == nullptr)
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return Result::MissingReferences;
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// Call loading
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if (ref->onLoad(this))
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return Result::AssetLoadError;
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return Result::Ok;
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}
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void OnFail() override
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{
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if (Asset)
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{
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Asset->Locker.Lock();
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if (Asset->_loadingTask == this)
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Asset->_loadingTask = nullptr;
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Asset->Locker.Unlock();
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Asset = nullptr;
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}
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// Base
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ContentLoadTask::OnFail();
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}
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void OnEnd() override
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{
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if (Asset)
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{
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Asset->Locker.Lock();
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if (Asset->_loadingTask == this)
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Asset->_loadingTask = nullptr;
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Asset->Locker.Unlock();
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Asset = nullptr;
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}
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// Base
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ContentLoadTask::OnEnd();
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}
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};
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