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o3de/Gems/SurfaceData/Code/Source/TerrainSurfaceDataSystemCom...

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C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/Component/Component.h>
#include <AzCore/Component/Entity.h>
#include <AzCore/EBus/EBus.h>
#include <CrySystemBus.h>
#include <HeightmapUpdateNotificationBus.h>
#include <SurfaceData/SurfaceDataModifierRequestBus.h>
#include <SurfaceData/SurfaceDataProviderRequestBus.h>
namespace SurfaceData
{
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 SurfaceDataProviderRequestBus::Handler
, private AZ::HeightmapUpdateNotificationBus::Handler
, private CrySystemEventBus::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, SurfacePointList& surfacePointList) const;
////////////////////////////////////////////////////////////////////////////
// CrySystemEvents
void OnCrySystemInitialized(ISystem& system, const SSystemInitParams& systemInitParams) override;
void OnCrySystemShutdown(ISystem& system) override;
//////////////////////////////////////////////////////////////////////////
// AZ::HeightmapUpdateNotificationBus
void HeightmapModified(const AZ::Aabb& bounds) override;
private:
void UpdateTerrainData(const AZ::Aabb& dirtyRegion);
AZ::Aabb GetSurfaceAabb() const;
SurfaceTagVector GetSurfaceTags() const;
SurfaceDataRegistryHandle m_providerHandle = InvalidSurfaceDataRegistryHandle;
TerrainSurfaceDataSystemConfig m_configuration;
ISystem* m_system = nullptr;
AZ::Aabb m_terrainBounds = AZ::Aabb::CreateNull();
AZStd::atomic_bool m_terrainBoundsIsValid{ false };
};
}