121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Task.h"
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#include "Engine/Core/Types/String.h"
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// Invokes a target method on a main thread (using task or directly if already on main thread)
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// Example: INVOKE_ON_MAIN_THREAD(Collector, Collector::SyncData, this);
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#define INVOKE_ON_MAIN_THREAD(targetType, targetMethod, targetObject) \
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if (IsInMainThread()) \
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{ \
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targetObject->targetMethod(); \
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} else { \
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Function<void()> action; \
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action.Bind<targetType, &targetMethod>(targetObject); \
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Task::StartNew(New<MainThreadActionTask>(action))->Wait(); \
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}
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/// <summary>
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/// General purpose task executed on Main Thread in the beginning of the next frame.
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/// </summary>
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/// <seealso cref="Task" />
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class FLAXENGINE_API MainThreadTask : public Task
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{
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friend class Engine;
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private:
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static void RunAll(float dt);
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public:
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/// <summary>
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/// The initial time delay (in seconds) before task execution. Use 0 to skip this feature.
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/// </summary>
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float InitialDelay = 0.0f;
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public:
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// [Task]
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String ToString() const override;
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protected:
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// [Task]
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void Enqueue() override;
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};
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/// <summary>
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/// General purpose task executing custom action using Main Thread in the beginning of the next frame.
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/// </summary>
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/// <seealso cref="MainThreadTask" />
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/// <seealso cref="Task" />
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class FLAXENGINE_API MainThreadActionTask : public MainThreadTask
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{
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protected:
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Function<void()> _action1;
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Function<bool()> _action2;
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Object* _target;
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="MainThreadActionTask"/> class.
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/// </summary>
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/// <param name="action">The action.</param>
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/// <param name="target">The target object.</param>
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MainThreadActionTask(Function<void()>& action, Object* target = nullptr)
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: MainThreadTask()
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, _action1(action)
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, _target(target)
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MainThreadActionTask"/> class.
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/// </summary>
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/// <param name="action">The action.</param>
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/// <param name="target">The target object.</param>
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MainThreadActionTask(Function<void()>::Signature action, Object* target = nullptr)
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: MainThreadTask()
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, _action1(action)
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, _target(target)
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MainThreadActionTask"/> class.
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/// </summary>
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/// <param name="action">The action.</param>
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/// <param name="target">The target object.</param>
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MainThreadActionTask(Function<bool()>& action, Object* target = nullptr)
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: MainThreadTask()
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, _action2(action)
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, _target(target)
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MainThreadActionTask"/> class.
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/// </summary>
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/// <param name="action">The action.</param>
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/// <param name="target">The target object.</param>
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MainThreadActionTask(Function<bool()>::Signature action, Object* target = nullptr)
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: MainThreadTask()
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, _action2(action)
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, _target(target)
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{
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}
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protected:
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// [MainThreadTask]
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bool Run() override;
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public:
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// [MainThreadTask]
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bool HasReference(Object* obj) const override;
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};
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