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

114 lines
4.4 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/Ebuses/SurfaceAltitudeGradientRequestBus.h>
#include <SurfaceData/SurfaceDataTypes.h>
#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
#include <AzCore/Component/TickBus.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace GradientSignal
{
class SurfaceAltitudeGradientConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(SurfaceAltitudeGradientConfig, AZ::SystemAllocator, 0);
AZ_RTTI(SurfaceAltitudeGradientConfig, "{3CB05FC9-6E0F-435E-B420-F027B6716804}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
AZ::EntityId m_shapeEntityId;
float m_altitudeMin = 0.0f;
float m_altitudeMax = 128.0f;
SurfaceData::SurfaceTagVector m_surfaceTagsToSample;
size_t GetNumTags() const;
AZ::Crc32 GetTag(int tagIndex) const;
void RemoveTag(int tagIndex);
void AddTag(AZStd::string tag);
private:
bool IsShapeValid() const;
};
static const AZ::Uuid SurfaceAltitudeGradientComponentTypeId = "{76359FA6-AD40-4DF9-81C6-F63F2632B665}";
/**
* Component implementing GradientRequestBus based on altitude
*/
class SurfaceAltitudeGradientComponent
: public AZ::Component
, public GradientRequestBus::Handler
, private SurfaceAltitudeGradientRequestBus::Handler
, private LmbrCentral::DependencyNotificationBus::Handler
, private AZ::TickBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(SurfaceAltitudeGradientComponent, SurfaceAltitudeGradientComponentTypeId);
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);
SurfaceAltitudeGradientComponent(const SurfaceAltitudeGradientConfig& configuration);
SurfaceAltitudeGradientComponent() = default;
~SurfaceAltitudeGradientComponent() = 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;
//////////////////////////////////////////////////////////////////////////
// DependencyNotificationBus
void OnCompositionChanged() override;
//////////////////////////////////////////////////////////////////////////
// AZ::TickBus::Handler
void OnTick(float deltaTime, AZ::ScriptTimePoint time) override;
void UpdateFromShape();
//////////////////////////////////////////////////////////////////////////
// GradientRequestBus
float GetValue(const GradientSampleParams& sampleParams) const override;
protected:
//////////////////////////////////////////////////////////////////////////
// SurfaceAltituteGradientRequests
AZ::EntityId GetShapeEntityId() const override;
void SetShapeEntityId(AZ::EntityId entityId) override;
float GetAltitudeMin() const override;
void SetAltitudeMin(float altitudeMin) override;
float GetAltitudeMax() const override;
void SetAltitudeMax(float altitudeMax) override;
size_t GetNumTags() const override;
AZ::Crc32 GetTag(int tagIndex) const override;
void RemoveTag(int tagIndex) override;
void AddTag(AZStd::string tag) override;
private:
mutable AZStd::recursive_mutex m_cacheMutex;
SurfaceAltitudeGradientConfig m_configuration;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
AZStd::atomic_bool m_dirty{ false };
};
}