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

100 lines
3.8 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/Asset/AssetCommon.h>
#include <AzCore/Component/Component.h>
#include <GradientSignal/Ebuses/GradientRequestBus.h>
#include <GradientSignal/Ebuses/ImageGradientRequestBus.h>
#include <GradientSignal/ImageAsset.h>
#include <GradientSignal/Util.h>
#include <LmbrCentral/Dependency/DependencyMonitor.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace GradientSignal
{
class ImageGradientConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(ImageGradientConfig, AZ::SystemAllocator, 0);
AZ_RTTI(ImageGradientConfig, "{1BDB5DA4-A4A8-452B-BE6D-6BD451D4E7CD}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
AZ::Data::Asset<ImageAsset> m_imageAsset = { AZ::Data::AssetLoadBehavior::QueueLoad };
float m_tilingX = 1.0f;
float m_tilingY = 1.0f;
};
static const AZ::Uuid ImageGradientComponentTypeId = "{4741F079-157F-457E-93E0-D6BA4EAF76FE}";
/**
* calculates a gradient value based on image data
*/
class ImageGradientComponent
: public AZ::Component
, private AZ::Data::AssetBus::Handler
, private GradientRequestBus::Handler
, private ImageGradientRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(ImageGradientComponent, ImageGradientComponentTypeId);
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);
ImageGradientComponent(const ImageGradientConfig& configuration);
ImageGradientComponent() = default;
~ImageGradientComponent() = 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;
//////////////////////////////////////////////////////////////////////////
// AZ::Data::AssetBus::Handler
void OnAssetReady(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
void OnAssetMoved(AZ::Data::Asset<AZ::Data::AssetData> asset, void* oldDataPointer) override;
void OnAssetReloaded(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
protected:
void SetupDependencies();
//////////////////////////////////////////////////////////////////////////
// ImageGradientRequestBus
AZStd::string GetImageAssetPath() const override;
void SetImageAssetPath(const AZStd::string& assetPath) override;
float GetTilingX() const override;
void SetTilingX(float tilingX) override;
float GetTilingY() const override;
void SetTilingY(float tilingY) override;
private:
ImageGradientConfig m_configuration;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
mutable AZStd::recursive_mutex m_imageMutex;
};
}