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107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/Component/Component.h>
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#include <AzCore/Component/EntityId.h>
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#include <AzCore/std/parallel/atomic.h>
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#include <CrySystemBus.h>
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#include <LoadScreenBus.h>
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#include <IRenderer.h>
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#if AZ_LOADSCREENCOMPONENT_ENABLED
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/*
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* This component is responsible for managing the load screen.
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*/
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class LoadScreenComponent
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: public AZ::Component
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, public CrySystemEventBus::Handler
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, public LoadScreenBus::Handler
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, public ILoadtimeCallback
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{
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public:
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AZ_COMPONENT(LoadScreenComponent, "{97CDBD6C-C621-4427-87C8-10E1B8F947FF}");
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LoadScreenComponent() = default;
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~LoadScreenComponent() = default;
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//////////////////////////////////////////////////////////////////////////
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// AZ::Component interface implementation
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void Init() override;
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void Activate() override;
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void Deactivate() override;
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//////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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// CrySystemEvents
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void OnCrySystemInitialized(ISystem&, const SSystemInitParams& params) override;
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void OnCrySystemShutdown(ISystem&) override;
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////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////
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// LoadScreenBus interface implementation
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void UpdateAndRender() override;
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void GameStart() override;
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void LevelStart() override;
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void Pause() override;
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void Resume() override;
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void Stop() override;
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bool IsPlaying() override;
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//////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////
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// ILoadtimeCallback interface implementation
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void LoadtimeUpdate(float deltaTime) override;
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void LoadtimeRender() override;
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//////////////////////////////////////////////////////////////////////////
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inline bool IsLoadingThreadEnabled() const
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{
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return m_loadingThreadEnabled != 0;
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}
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protected:
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static void Reflect(AZ::ReflectContext* context);
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
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static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible);
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private:
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void Reset();
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void LoadConfigSettings(const char* fixedFpsVarName, const char* maxFpsVarName, const char* minimumLoadTimeVarName);
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//////////////////////////////////////////////////////////////////////////
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enum class LoadScreenState
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{
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None,
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Showing,
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ShowingMultiThreaded,
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Paused,
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PausedMultithreaded,
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};
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LoadScreenState m_loadScreenState{ LoadScreenState::None };
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float m_fixedDeltaTimeInSeconds{ -1.0f };
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float m_maxDeltaTimeInSeconds{ -1.0f };
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float m_minimumLoadTimeInSeconds{ 0.0f };
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CTimeValue m_lastStartTime;
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CTimeValue m_previousCallTimeForUpdateAndRender;
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AZStd::atomic_bool m_processingLoadScreen{ false };
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int32_t m_loadingThreadEnabled{ 0 };
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//////////////////////////////////////////////////////////////////////////
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};
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#endif // if AZ_LOADSCREENCOMPONENT_ENABLED
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