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67 lines
3.3 KiB
C++
67 lines
3.3 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 <Atom/Feature/OcclusionCullingPlane/OcclusionCullingPlaneFeatureProcessorInterface.h>
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#include <OcclusionCullingPlane/OcclusionCullingPlane.h>
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namespace AZ
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{
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namespace Render
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{
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//! This class manages OcclusionCullingPlanes which are used to cull meshes that are inside the view frustum
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class OcclusionCullingPlaneFeatureProcessor final
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: public OcclusionCullingPlaneFeatureProcessorInterface
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{
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public:
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AZ_RTTI(AZ::Render::OcclusionCullingPlaneFeatureProcessor, "{C3DE91D7-EF7A-4A82-A55F-E22BC52074EA}", OcclusionCullingPlaneFeatureProcessorInterface);
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static void Reflect(AZ::ReflectContext* context);
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OcclusionCullingPlaneFeatureProcessor() = default;
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virtual ~OcclusionCullingPlaneFeatureProcessor() = default;
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// OcclusionCullingPlaneFeatureProcessorInterface overrides
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OcclusionCullingPlaneHandle AddOcclusionCullingPlane(const AZ::Transform& transform) override;
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void RemoveOcclusionCullingPlane(OcclusionCullingPlaneHandle& handle) override;
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bool IsValidOcclusionCullingPlaneHandle(const OcclusionCullingPlaneHandle& occlusionCullingPlane) const override { return (occlusionCullingPlane.get() != nullptr); }
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void SetTransform(const OcclusionCullingPlaneHandle& occlusionCullingPlane, const AZ::Transform& transform) override;
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void SetEnabled(const OcclusionCullingPlaneHandle& occlusionCullingPlane, bool enable) override;
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void ShowVisualization(const OcclusionCullingPlaneHandle& occlusionCullingPlane, bool showVisualization) override;
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void SetTransparentVisualization(const OcclusionCullingPlaneHandle& occlusionCullingPlane, bool transparentVisualization) override;
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// FeatureProcessor overrides
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void Activate() override;
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void Deactivate() override;
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// RPI::SceneNotificationBus overrides ...
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void OnBeginPrepareRender() override;
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// retrieve the full list of occlusion planes
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using OcclusionCullingPlaneVector = AZStd::vector<AZStd::shared_ptr<OcclusionCullingPlane>>;
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OcclusionCullingPlaneVector& GetOcclusionCullingPlanes() { return m_occlusionCullingPlanes; }
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private:
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AZ_DISABLE_COPY_MOVE(OcclusionCullingPlaneFeatureProcessor);
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// list of occlusion planes
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const size_t InitialOcclusionCullingPlanesAllocationSize = 64;
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OcclusionCullingPlaneVector m_occlusionCullingPlanes;
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// prebuilt list of RPI scene occlusion planes
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RPI::CullingScene::OcclusionPlaneVector m_rpiOcclusionPlanes;
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bool m_rpiListNeedsUpdate = false;
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};
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} // namespace Render
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} // namespace AZ
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