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104 lines
4.3 KiB
C++
104 lines
4.3 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project
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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/EntityBus.h>
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#include <AzCore/Component/TransformBus.h>
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#include <LmbrCentral/Shape/ShapeComponentBus.h>
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#include <Vegetation/Ebuses/ReferenceShapeRequestBus.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 Vegetation
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{
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class ReferenceShapeConfig
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: public AZ::ComponentConfig
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{
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public:
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AZ_CLASS_ALLOCATOR(ReferenceShapeConfig, AZ::SystemAllocator, 0);
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AZ_RTTI(ReferenceShapeConfig, "{3E49974D-2EE0-4AF9-92B9-229A22B515C3}", AZ::ComponentConfig);
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static void Reflect(AZ::ReflectContext* context);
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AZ::EntityId m_shapeEntityId;
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};
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static const AZ::Uuid ReferenceShapeComponentTypeId = "{EB9C6DC1-900F-4CE8-AA00-81361127063A}";
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/**
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* allows reference and reuse of shape entities
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*/
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class ReferenceShapeComponent
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: public AZ::Component
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, private AZ::EntityBus::Handler
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, private AZ::TransformNotificationBus::Handler
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, private LmbrCentral::ShapeComponentNotificationsBus::Handler
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, private LmbrCentral::ShapeComponentRequestsBus::Handler
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, private ReferenceShapeRequestBus::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(ReferenceShapeComponent, ReferenceShapeComponentTypeId);
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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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ReferenceShapeComponent(const ReferenceShapeConfig& configuration);
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ReferenceShapeComponent() = default;
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~ReferenceShapeComponent() = 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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// EntityEvents
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void OnEntityActivated(const AZ::EntityId& entityId) override;
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void OnEntityDeactivated(const AZ::EntityId& entityId) override;
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//////////////////////////////////////////////////////////////////////////
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// TransformNotificationBus
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void OnTransformChanged(const AZ::Transform& local, const AZ::Transform& world) override;
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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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// ShapeComponentRequestsBus
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AZ::Crc32 GetShapeType() override;
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AZ::Aabb GetEncompassingAabb() override;
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void GetTransformAndLocalBounds(AZ::Transform& transform, AZ::Aabb& bounds) override;
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bool IsPointInside(const AZ::Vector3& point) override;
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float DistanceFromPoint(const AZ::Vector3& point) override;
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float DistanceSquaredFromPoint(const AZ::Vector3& point) override;
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AZ::Vector3 GenerateRandomPointInside(AZ::RandomDistributionType randomDistribution) override;
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bool IntersectRay(const AZ::Vector3& src, const AZ::Vector3& dir, float& distance) override;
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protected:
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//////////////////////////////////////////////////////////////////////////
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// ReferenceShapeRequestsBus
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AZ::EntityId GetShapeEntityId() const override;
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void SetShapeEntityId(AZ::EntityId entityId) override;
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private:
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ReferenceShapeConfig m_configuration;
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bool m_isRequestInProgress = false; //prevent recursion in case user attaches cyclic dependences
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bool AllowRequest() const;
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void SetupDependencies();
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};
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}
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