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o3de/Gems/Vegetation/Code/Source/Components/DescriptorListCombinerCompo...

96 lines
3.9 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Component/Component.h>
#include <LmbrCentral/Dependency/DependencyMonitor.h>
#include <SurfaceData/SurfaceDataTagEnumeratorRequestBus.h>
#include <SurfaceData/SurfaceDataTagEnumeratorRequestBus.h>
#include <Vegetation/Ebuses/DescriptorListCombinerRequestBus.h>
#include <Vegetation/Ebuses/DescriptorProviderRequestBus.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace Vegetation
{
class DescriptorListCombinerConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(DescriptorListCombinerConfig, AZ::SystemAllocator, 0);
AZ_RTTI(DescriptorListCombinerConfig, "{A62E9C87-093C-4534-AB48-DEF8EC80C190}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
AZStd::vector<AZ::EntityId> m_descriptorProviders;
size_t GetNumDescriptors() const;
AZ::EntityId GetDescriptorEntityId(int index) const;
void RemoveDescriptorEntityId(int index);
void SetDescriptorEntityId(int index, AZ::EntityId entityId);
void AddDescriptorEntityId(AZ::EntityId entityId);
};
static const AZ::Uuid DescriptorListCombinerComponentTypeId = "{1A1267EA-8A29-42AE-A385-BB0E60899EEF}";
/**
* Retrieve a list of descriptors from multiple providers
*/
class DescriptorListCombinerComponent
: public AZ::Component
, private DescriptorProviderRequestBus::Handler
, private DescriptorListCombinerRequestBus::Handler
, private SurfaceData::SurfaceDataTagEnumeratorRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(DescriptorListCombinerComponent, DescriptorListCombinerComponentTypeId);
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);
DescriptorListCombinerComponent(const DescriptorListCombinerConfig& configuration);
DescriptorListCombinerComponent() = default;
~DescriptorListCombinerComponent() = 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;
//////////////////////////////////////////////////////////////////////////
// DescriptorProviderRequestBus
void GetDescriptors(DescriptorPtrVec& descriptors) const override;
//////////////////////////////////////////////////////////////////////////
// SurfaceData::SurfaceDataTagEnumeratorRequestBus
void GetInclusionSurfaceTags(SurfaceData::SurfaceTagVector& tags, bool& includeAll) const override;
void GetExclusionSurfaceTags(SurfaceData::SurfaceTagVector& tags) const override;
protected:
//////////////////////////////////////////////////////////////////////////
// DescriptorListCombinerRequestBus
size_t GetNumDescriptors() const override;
AZ::EntityId GetDescriptorEntityId(int index) const override;
void RemoveDescriptorEntityId(int index) override;
void SetDescriptorEntityId(int index, AZ::EntityId entityId) override;
void AddDescriptorEntityId(AZ::EntityId entityId) override;
private:
DescriptorListCombinerConfig m_configuration;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
void SetupDependencies();
};
}