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57 lines
2.5 KiB
C++
57 lines
2.5 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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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/TickBus.h>
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#include <AzCore/Math/Transform.h>
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namespace Camera
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{
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class ICameraLookAtBehavior;
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class ICameraTargetAcquirer;
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class ICameraTransformBehavior;
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//////////////////////////////////////////////////////////////////////////
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/// The CameraRigComponent holds a recipe of behaviors.
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/// It will first attempt to acquire a target by iterating over the LookTargetAquirers until one returns true
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/// Next it will pass a modifiable lookAt Transform to all LookAtBehaviors in order, giving each a pass at further modifying the LookAt Transform
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/// Finally it will pass a modifiable transform to all Transform behaviors in turn, giving each a chance to further modify the transform
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//////////////////////////////////////////////////////////////////////////
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class CameraRigComponent
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: public AZ::Component
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, public AZ::TickBus::Handler
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{
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public:
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AZ_COMPONENT(CameraRigComponent, "{286BF97A-1B4A-4EE1-944F-C13B2396227B}");
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~CameraRigComponent() override;
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
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static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required);
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static void GetDependentServices(AZ::ComponentDescriptor::DependencyArrayType& dependent);
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static void Reflect(AZ::ReflectContext* reflection);
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//////////////////////////////////////////////////////////////////////////
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// AZ::Component
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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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// AZ::TickBus::Handler
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void OnTick(float deltaTime, AZ::ScriptTimePoint time) override;
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//////////////////////////////////////////////////////////////////////////
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private:
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AZStd::vector<ICameraTargetAcquirer*> m_targetAcquirers;
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AZStd::vector<ICameraLookAtBehavior*> m_lookAtBehaviors;
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AZStd::vector<ICameraTransformBehavior*> m_transformBehaviors;
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AZ::Transform m_initialTransform;
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};
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} // Camera
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