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106 lines
4.3 KiB
C++
106 lines
4.3 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/TransformBus.h>
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#include <AzCore/Component/NonUniformScaleBus.h>
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#include <LmbrCentral/Shape/ShapeComponentBus.h>
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#include <LmbrCentral/Shape/QuadShapeComponentBus.h>
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namespace AzFramework
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{
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class DebugDisplayRequests;
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}
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namespace LmbrCentral
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{
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struct ShapeDrawParams;
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//! Provide QuadShape functionality.
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class QuadShape
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: public ShapeComponentRequestsBus::Handler
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, public QuadShapeComponentRequestBus::Handler
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, public AZ::TransformNotificationBus::Handler
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{
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public:
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AZ_CLASS_ALLOCATOR(QuadShape, AZ::SystemAllocator, 0);
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AZ_RTTI(LmbrCentral::QuadShape, "{4DCA67DA-5CBB-4E6C-8DA2-2B8CB177A301}");
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QuadShape();
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static void Reflect(AZ::ReflectContext* context);
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void Activate(AZ::EntityId entityId);
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void Deactivate();
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void InvalidateCache(InvalidateShapeCacheReason reason);
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//! ShapeComponentRequestsBus overrides...
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AZ::Crc32 GetShapeType() override { return AZ_CRC("QuadShape", 0x40d75e14); }
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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 DistanceSquaredFromPoint(const AZ::Vector3& point) override;
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bool IntersectRay(const AZ::Vector3& src, const AZ::Vector3& dir, float& distance) override;
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//! QuadShapeComponentRequestBus overrides...
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QuadShapeConfig GetQuadConfiguration() override;
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void SetQuadWidth(float width) override;
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float GetQuadWidth() override;
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void SetQuadHeight(float height) override;
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float GetQuadHeight() override;
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const AZ::Quaternion& GetQuadOrientation() override;
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//! AZ::TransformNotificationBus overrides...
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void OnTransformChanged(const AZ::Transform& local, const AZ::Transform& world) override;
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void OnNonUniformScaleChanged(const AZ::Vector3& scale);
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const AZ::Vector3& GetCurrentNonUniformScale() const { return m_currentNonUniformScale; }
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const QuadShapeConfig& GetQuadConfiguration() const;
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void SetQuadConfiguration(const QuadShapeConfig& quadShapeConfig);
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const AZ::Transform& GetCurrentTransform() const;
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AZStd::array<AZ::Vector3, 4> GetLocalSpaceCorners();
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protected:
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friend class EditorQuadShapeComponent;
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ShapeComponentConfig& ModifyShapeComponent();
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private:
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//! Runtime data - cache potentially expensive operations.
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class QuadIntersectionDataCache
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: public IntersectionTestDataCache<QuadShapeConfig>
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{
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void UpdateIntersectionParamsImpl(
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const AZ::Transform& currentTransform, const QuadShapeConfig& configuration,
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const AZ::Vector3& currentNonUniformScale = AZ::Vector3::CreateOne()) override;
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friend class QuadShape;
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AZ::Vector3 m_position; //! Position of the center of the quad.
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AZ::Quaternion m_quaternion; //! quaternion of the quad.
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float m_scaledWidth = 1.0f; //! Width of the quad (including entity scale and non-uniform scale).
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float m_scaledHeight = 1.0f; //! Height of the quad (including entity scale and non-uniform scale).
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};
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QuadShapeConfig m_quadShapeConfig; //! Underlying quad configuration.
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QuadIntersectionDataCache m_intersectionDataCache; //! Caches transient intersection data.
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AZ::Transform m_currentTransform; //! Caches the current world transform.
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AZ::EntityId m_entityId; //! The Id of the entity the shape is attached to.
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AZ::NonUniformScaleChangedEvent::Handler m_nonUniformScaleChangedHandler; ///< Responds to changes in non-uniform scale.
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AZ::Vector3 m_currentNonUniformScale = AZ::Vector3::CreateOne(); ///< Caches the current non-uniform scale.
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};
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void DrawQuadShape(
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const ShapeDrawParams& shapeDrawParams, const QuadShapeConfig& quadShapeConfig,
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AzFramework::DebugDisplayRequests& debugDisplay, const AZ::Vector3& nonUniformScale = AZ::Vector3::CreateOne());
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} // namespace LmbrCentral
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