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o3de/Gems/GradientSignal/Code/Source/Components/ConstantGradientComponent.h

76 lines
2.7 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 <AzCore/Component/Component.h>
#include <GradientSignal/Ebuses/GradientRequestBus.h>
#include <GradientSignal/Ebuses/ConstantGradientRequestBus.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace GradientSignal
{
class ConstantGradientConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(ConstantGradientConfig, AZ::SystemAllocator, 0);
AZ_RTTI(ConstantGradientConfig, "{B0216514-46B5-4A57-9D9D-8D9EC94C3702}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
float m_value = 1.0f;
};
static const AZ::Uuid ConstantGradientComponentTypeId = "{08785CA9-FD25-4036-B8A0-E0ED65C6E54B}";
/**
* always returns a constant value as a gradient
*/
class ConstantGradientComponent
: public AZ::Component
, private GradientRequestBus::Handler
, private ConstantGradientRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(ConstantGradientComponent, ConstantGradientComponentTypeId);
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);
ConstantGradientComponent(const ConstantGradientConfig& configuration);
ConstantGradientComponent() = default;
~ConstantGradientComponent() = 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:
//////////////////////////////////////////////////////////////////////////
// ConstantGradientRequestBus
float GetConstantValue() const override;
void SetConstantValue(float constant) override;
private:
ConstantGradientConfig m_configuration;
};
}