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100 lines
4.0 KiB
C++
100 lines
4.0 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 <LmbrCentral/Shape/ShapeComponentBus.h>
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#include <LmbrCentral/Shape/CylinderShapeComponentBus.h>
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namespace AZ
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{
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enum class RandomDistributionType : AZ::u32;
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}
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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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class CylinderShape
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: public ShapeComponentRequestsBus::Handler
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, public CylinderShapeComponentRequestsBus::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(CylinderShape, AZ::SystemAllocator, 0)
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AZ_RTTI(CylinderShape, "{B45EFEF2-631F-43D3-B538-A3FE68350231}")
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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::Handler
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AZ::Crc32 GetShapeType() override { return AZ_CRC("Cylinder", 0x9b045bea); }
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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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AZ::Aabb GetEncompassingAabb() override;
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void GetTransformAndLocalBounds(AZ::Transform& transform, AZ::Aabb& bounds) 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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// CylinderShapeComponentRequestsBus::Handler
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CylinderShapeConfig GetCylinderConfiguration() override { return m_cylinderShapeConfig; }
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void SetHeight(float height) override;
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void SetRadius(float radius) override;
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float GetHeight() override;
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float GetRadius() override;
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// AZ::TransformNotificationBus::Handler
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void OnTransformChanged(const AZ::Transform& local, const AZ::Transform& world) override;
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const CylinderShapeConfig& GetCylinderConfiguration() const { return m_cylinderShapeConfig; }
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void SetCylinderConfiguration(const CylinderShapeConfig& cylinderShapeConfig) { m_cylinderShapeConfig = cylinderShapeConfig; }
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const AZ::Transform& GetCurrentTransform() const { return m_currentTransform; }
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protected:
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friend class EditorCylinderShapeComponent;
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CylinderShapeConfig& ModifyConfiguration() { return m_cylinderShapeConfig; }
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private:
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/// Runtime data - cache potentially expensive operations.
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class CylinderIntersectionDataCache
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: public IntersectionTestDataCache<CylinderShapeConfig>
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{
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void UpdateIntersectionParamsImpl(
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const AZ::Transform& currentTransform, const CylinderShapeConfig& configuration,
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const AZ::Vector3& currentNonUniformScale = AZ::Vector3::CreateOne()) override;
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friend class CylinderShape;
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AZ::Vector3 m_baseCenterPoint; ///< The center point of the cylinder.
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AZ::Vector3 m_axisVector; ///< A vector along the axis of this cylinder scaled to the height of the cylinder.
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float m_height = 0.0f; ///< Height of the cylinder (including entity scale).
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float m_radius = 0.0f; ///< Radius of the cylinder (including entity scale).
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};
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CylinderShapeConfig m_cylinderShapeConfig; ///< Underlying cylinder configuration.
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CylinderIntersectionDataCache 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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};
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void DrawCylinderShape(
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const ShapeDrawParams& shapeDrawParams, const CylinderShapeConfig& cylinderShapeConfig,
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AzFramework::DebugDisplayRequests& debugDisplay);
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} // namespace LmbrCentral
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