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o3de/Gems/LmbrCentral/Code/Source/Shape/SplineComponent.h

122 lines
4.8 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/Component/Component.h>
#include <AzCore/Component/TransformBus.h>
#include <AzCore/std/smart_ptr/shared_ptr.h>
#include <LmbrCentral/Shape/SplineComponentBus.h>
namespace LmbrCentral
{
/// Common functionality and data for the SplineComponent.
class SplineCommon
{
public:
AZ_CLASS_ALLOCATOR(SplineCommon, AZ::SystemAllocator, 0);
AZ_RTTI(SplineCommon, "{91A31D7E-F63A-4AA8-BC50-909B37F0AD8B}");
SplineCommon();
virtual ~SplineCommon() = default;
static void Reflect(AZ::ReflectContext* context);
void ChangeSplineType(AZ::u64 splineType);
/// Override callbacks to be used when spline changes/is modified.
void SetCallbacks(
const AZ::IndexFunction& OnAddVertex, const AZ::IndexFunction& OnRemoveVertex,
const AZ::IndexFunction& OnUpdateVertex, const AZ::VoidFunction& OnSetVertices,
const AZ::VoidFunction& OnClearVertices, const AZ::VoidFunction& OnChangeType,
const AZ::BoolFunction& OnOpenClose);
AZ::SplinePtr m_spline; ///< Reference to the underlying spline data.
private:
AZ::u32 OnChangeSplineType();
AZ::u64 m_splineType = AZ::LinearSpline::RTTI_Type().GetHash(); ///< The currently set spline type (default to Linear).
AZ::IndexFunction m_onAddVertex = nullptr;
AZ::IndexFunction m_onRemoveVertex = nullptr;
AZ::IndexFunction m_onUpdateVertex = nullptr;
AZ::VoidFunction m_onSetVertices = nullptr;
AZ::VoidFunction m_onClearVertices = nullptr;
AZ::VoidFunction m_onChangeType = nullptr;
AZ::BoolFunction m_onOpenCloseChange = nullptr;
};
/// Component interface to core spline implementation.
class SplineComponent
: public AZ::Component
, private SplineComponentRequestBus::Handler
, private AZ::TransformNotificationBus::Handler
{
public:
friend class EditorSplineComponent;
AZ_COMPONENT(SplineComponent, "{F0905297-1E24-4044-BFDA-BDE3583F1E57}");
// AZ::Component
void Activate() override;
void Deactivate() override;
// SplineComponentRequestBus
AZ::SplinePtr GetSpline() override;
void ChangeSplineType(AZ::u64 splineType) override;
void SetClosed(bool closed) override;
// SplineComponentRequestBus/VertexContainerInterface
bool GetVertex(size_t index, AZ::Vector3& vertex) const override;
void AddVertex(const AZ::Vector3& vertex) override;
bool UpdateVertex(size_t index, const AZ::Vector3& vertex) override;
bool InsertVertex(size_t index, const AZ::Vector3& vertex) override;
bool RemoveVertex(size_t index) override;
void SetVertices(const AZStd::vector<AZ::Vector3>& vertices) override;
void ClearVertices() override;
size_t Size() const override;
bool Empty() const override;
// TransformNotificationBus
void OnTransformChanged(const AZ::Transform& local, const AZ::Transform& world) override;
protected:
static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
{
provided.push_back(AZ_CRC("SplineService", 0x2b674d3c));
provided.push_back(AZ_CRC("VariableVertexContainerService", 0x70c58740));
provided.push_back(AZ_CRC("FixedVertexContainerService", 0x83f1bbf2));
}
static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible)
{
incompatible.push_back(AZ_CRC("SplineService", 0x2b674d3c));
incompatible.push_back(AZ_CRC("VariableVertexContainerService", 0x70c58740));
incompatible.push_back(AZ_CRC("FixedVertexContainerService", 0x83f1bbf2));
incompatible.push_back(AZ_CRC_CE("NonUniformScaleService"));
}
static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required)
{
required.push_back(AZ_CRC("TransformService", 0x8ee22c50));
}
static void Reflect(AZ::ReflectContext* context);
private:
SplineCommon m_splineCommon; ///< Stores common spline functionality and properties.
AZ::Transform m_currentTransform; ///< Caches the current transform for the entity on which this component lives.
};
} // namespace LmbrCentral