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o3de/Gems/Terrain/Code/Source/Components/TerrainSurfaceDataSystemCom...

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3.7 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 <AzCore/Component/Entity.h>
#include <AzCore/EBus/EBus.h>
#include <AzFramework/Terrain/TerrainDataRequestBus.h>
#include <SurfaceData/SurfaceDataModifierRequestBus.h>
#include <SurfaceData/SurfaceDataProviderRequestBus.h>
#include <SurfaceData/SurfaceDataTagProviderRequestBus.h>
namespace Terrain
{
class TerrainSurfaceDataSystemConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(TerrainSurfaceDataSystemConfig, AZ::SystemAllocator, 0);
AZ_RTTI(TerrainSurfaceDataSystemConfig, "{2B93F5E5-5346-47A1-9C4D-EFBC6BDF468F}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
};
/**
* The system component to serve for the game side queries for surface values
*/
class TerrainSurfaceDataSystemComponent
: public AZ::Component
, private SurfaceData::SurfaceDataProviderRequestBus::Handler
, private AzFramework::Terrain::TerrainDataNotificationBus::Handler
, private SurfaceData::SurfaceDataTagProviderRequestBus::Handler
{
friend class EditorTerrainSurfaceDataSystemComponent;
TerrainSurfaceDataSystemComponent(const TerrainSurfaceDataSystemConfig&);
public:
TerrainSurfaceDataSystemComponent();
//////////////////////////////////////////////////////////////////////////
// Component static
AZ_COMPONENT(TerrainSurfaceDataSystemComponent, "{0C821DA4-6DB1-4860-BE25-CB57B3E3F4D4}", AZ::Component);
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);
//////////////////////////////////////////////////////////////////////////
// Component
void Activate() override;
void Deactivate() override;
bool ReadInConfig(const AZ::ComponentConfig* baseConfig) override;
bool WriteOutConfig(AZ::ComponentConfig* outBaseConfig) const override;
//////////////////////////////////////////////////////////////////////////
// SurfaceDataProviderRequestBus
void GetSurfacePoints(const AZ::Vector3& inPosition, SurfaceData::SurfacePointList& surfacePointList) const override;
void GetSurfacePointsFromList(
AZStd::span<const AZ::Vector3> inPositions, SurfaceData::SurfacePointList& surfacePointList) const override;
//////////////////////////////////////////////////////////////////////////
// AzFramework::Terrain::TerrainDataNotificationBus
void OnTerrainDataChanged(const AZ::Aabb& dirtyRegion, TerrainDataChangedMask dataChangedMask) override;
private:
void UpdateTerrainData(const AZ::Aabb& dirtyRegion);
AZ::Aabb GetSurfaceAabb() const;
SurfaceData::SurfaceTagVector GetSurfaceTags() const;
SurfaceData::SurfaceDataRegistryHandle m_providerHandle = SurfaceData::InvalidSurfaceDataRegistryHandle;
TerrainSurfaceDataSystemConfig m_configuration;
AZ::Aabb m_terrainBounds = AZ::Aabb::CreateNull();
AZStd::atomic_bool m_terrainBoundsIsValid{ false };
//////////////////////////////////////////////////////////////////////////
// SurfaceData::SurfaceDataTagProviderRequestBus
void GetRegisteredSurfaceTagNames(SurfaceData::SurfaceTagNameSet& names) const override;
};
}