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

93 lines
3.2 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 <AzCore/Component/ComponentBus.h>
#include <AzCore/std/smart_ptr/unique_ptr.h>
#include <GradientSignal/Ebuses/GradientRequestBus.h>
#include <GradientSignal/Ebuses/PerlinGradientRequestBus.h>
#include <GradientSignal/PerlinImprovedNoise.h>
namespace AZ
{
class Job;
}
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace GradientSignal
{
class PerlinGradientConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(PerlinGradientConfig, AZ::SystemAllocator, 0);
AZ_RTTI(PerlinGradientConfig, "{A746CFD0-7288-42F4-837D-1CDE2EAA6923}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
int m_randomSeed = 1;
int m_octave = 1;
float m_amplitude = 1.0f;
float m_frequency = 1.0f;
};
static const AZ::Uuid PerlinGradientComponentTypeId = "{A293D617-C0F2-4D96-9DA0-791A5564878C}";
class PerlinGradientComponent
: public AZ::Component
, private GradientRequestBus::Handler
, private PerlinGradientRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(PerlinGradientComponent, PerlinGradientComponentTypeId);
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);
PerlinGradientComponent(const PerlinGradientConfig& configuration);
PerlinGradientComponent() = default;
~PerlinGradientComponent() = 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;
private:
PerlinGradientConfig m_configuration;
AZStd::unique_ptr<PerlinImprovedNoise> m_perlinImprovedNoise;
/////////////////////////////////////////////////////////////////////////
//PerlinGradientRequest overrides
int GetRandomSeed() const override;
void SetRandomSeed(int seed) override;
int GetOctaves() const override;
void SetOctaves(int octaves) override;
float GetAmplitude() const override;
void SetAmplitude(float amp) override;
float GetFrequency() const override;
void SetFrequency(float frequency) override;
};
}