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113 lines
4.9 KiB
C++
113 lines
4.9 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 <GradientSignal/GradientSampler.h>
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#include <GradientSignal/Ebuses/GradientSurfaceDataRequestBus.h>
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#include <SurfaceData/SurfaceDataModifierRequestBus.h>
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#include <SurfaceData/SurfaceDataTypes.h>
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#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
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#include <LmbrCentral/Shape/ShapeComponentBus.h>
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namespace LmbrCentral
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{
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template<typename, typename>
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class EditorWrappedComponentBase;
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}
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namespace GradientSignal
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{
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class GradientSurfaceDataConfig
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: public AZ::ComponentConfig
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{
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public:
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AZ_CLASS_ALLOCATOR(GradientSurfaceDataConfig, AZ::SystemAllocator, 0);
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AZ_RTTI(GradientSurfaceDataConfig, "{34516BA4-2B13-4A84-A46B-01E1980CA778}", AZ::ComponentConfig);
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static void Reflect(AZ::ReflectContext* context);
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float m_thresholdMin = 0.1f;
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float m_thresholdMax = 1.0f;
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SurfaceData::SurfaceTagVector m_modifierTags;
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AZ::EntityId m_shapeConstraintEntityId;
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size_t GetNumTags() const;
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AZ::Crc32 GetTag(int tagIndex) const;
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void RemoveTag(int tagIndex);
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void AddTag(AZStd::string tag);
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};
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static const AZ::Uuid GradientSurfaceDataComponentTypeId = "{BE5AF9E8-C509-4A8C-8D9E-D24BCD402812}";
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class GradientSurfaceDataComponent
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: public AZ::Component
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, private SurfaceData::SurfaceDataModifierRequestBus::Handler
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, private LmbrCentral::DependencyNotificationBus::Handler
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, private LmbrCentral::ShapeComponentNotificationsBus::Handler
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, private GradientSurfaceDataRequestBus::Handler
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{
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public:
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template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
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AZ_COMPONENT(GradientSurfaceDataComponent, GradientSurfaceDataComponentTypeId);
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& services);
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static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& services);
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static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& services);
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static void Reflect(AZ::ReflectContext* context);
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GradientSurfaceDataComponent(const GradientSurfaceDataConfig& configuration);
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GradientSurfaceDataComponent() = default;
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~GradientSurfaceDataComponent() = default;
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//////////////////////////////////////////////////////////////////////////
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// AZ::Component interface implementation
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void Activate() override;
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void Deactivate() override;
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bool ReadInConfig(const AZ::ComponentConfig* baseConfig) override;
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bool WriteOutConfig(AZ::ComponentConfig* outBaseConfig) const override;
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////////////////////////////////////////////////////////////////////////
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// SurfaceData::SurfaceDataModifierRequestBus
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void ModifySurfacePoints(SurfaceData::SurfacePointList& surfacePointList) const override;
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//////////////////////////////////////////////////////////////////////////
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// LmbrCentral::DependencyNotificationBus
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void OnCompositionChanged() override;
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protected:
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////////////////////////////////////////////////////////////////////////
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// LmbrCentral::ShapeComponentNotificationsBus
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void OnShapeChanged(LmbrCentral::ShapeComponentNotifications::ShapeChangeReasons reasons) override;
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//////////////////////////////////////////////////////////////////////////
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// GradientSurfaceDataRequestBus
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void SetThresholdMin(float thresholdMin) override;
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float GetThresholdMin() const override;
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void SetThresholdMax(float thresholdMax) override;
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float GetThresholdMax() const override;
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size_t GetNumTags() const override;
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AZ::Crc32 GetTag(int tagIndex) const override;
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void RemoveTag(int tagIndex) override;
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void AddTag(AZStd::string tag) override;
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AZ::EntityId GetShapeConstraintEntityId() const override;
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void SetShapeConstraintEntityId(AZ::EntityId entityId) override;
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private:
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void UpdateRegistryAndCache(SurfaceData::SurfaceDataRegistryHandle& registryHandle);
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SurfaceData::SurfaceDataRegistryHandle m_modifierHandle = SurfaceData::InvalidSurfaceDataRegistryHandle;
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GradientSurfaceDataConfig m_configuration;
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GradientSampler m_gradientSampler;
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// cached shape constraint data that allows us to safely perform bounds tests from the vegetation
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// thread while the main thread potentially updates the bounds.
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AZStd::atomic_bool m_validShapeBounds{ false };
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mutable AZStd::recursive_mutex m_cacheMutex;
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AZ::Aabb m_cachedShapeConstraintBounds = AZ::Aabb::CreateNull();
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};
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}
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