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o3de/Gems/GradientSignal/Code/Source/Components/ShapeAreaFalloffGradientCom...

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3.4 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <LmbrCentral/Dependency/DependencyMonitor.h>
#include <AzCore/Component/Component.h>
#include <GradientSignal/Ebuses/GradientRequestBus.h>
#include <GradientSignal/GradientSampler.h>
#include <GradientSignal/Ebuses/ShapeAreaFalloffGradientRequestBus.h>
#include <LmbrCentral/Dependency/DependencyMonitor.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace GradientSignal
{
class ShapeAreaFalloffGradientConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(ShapeAreaFalloffGradientConfig, AZ::SystemAllocator, 0);
AZ_RTTI(ShapeAreaFalloffGradientConfig, "{8FB7C786-D8A7-41C4-A703-020020EB4A4F}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
AZ::EntityId m_shapeEntityId;
float m_falloffWidth = 1.0f;
FalloffType m_falloffType = FalloffType::Outer;
};
static const AZ::Uuid ShapeAreaFalloffGradientComponentTypeId = "{F32A108B-7612-4AC2-B436-96DDDCE9E70B}";
/**
* calculates a gradient value based on distance from a shapes surface
*/
class ShapeAreaFalloffGradientComponent
: public AZ::Component
, private GradientRequestBus::Handler
, private ShapeAreaFalloffGradientRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(ShapeAreaFalloffGradientComponent, ShapeAreaFalloffGradientComponentTypeId);
static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& services);
static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& services);
static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& services);
static void Reflect(AZ::ReflectContext* context);
ShapeAreaFalloffGradientComponent(const ShapeAreaFalloffGradientConfig& configuration);
ShapeAreaFalloffGradientComponent() = default;
~ShapeAreaFalloffGradientComponent() = default;
//////////////////////////////////////////////////////////////////////////
// AZ::Component interface implementation
void Activate() override;
void Deactivate() override;
bool ReadInConfig(const AZ::ComponentConfig* baseConfig) override;
bool WriteOutConfig(AZ::ComponentConfig* outBaseConfig) const override;
//////////////////////////////////////////////////////////////////////////
// GradientRequestBus
float GetValue(const GradientSampleParams& sampleParams) const override;
protected:
//////////////////////////////////////////////////////////////////////////
// ShapeAreaFalloffGradientRequestBus
AZ::EntityId GetShapeEntityId() const override;
void SetShapeEntityId(AZ::EntityId entityId) override;
float GetFalloffWidth() const override;
void SetFalloffWidth(float falloffWidth) override;
FalloffType GetFalloffType() const override;
void SetFalloffType(FalloffType type) override;
private:
ShapeAreaFalloffGradientConfig m_configuration;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
};
}