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o3de/Gems/Terrain/Code/Source/TerrainRenderer/Components/TerrainSurfaceMaterialsList...

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4.6 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 <AzCore/Serialization/EditContext.h>
#include <Atom/Feature/Material/MaterialAssignment.h>
#include <Atom/RPI.Reflect/Material/MaterialAsset.h>
#include <LmbrCentral/Shape/ShapeComponentBus.h>
#include <SurfaceData/SurfaceDataTypes.h>
#include <TerrainRenderer/TerrainAreaMaterialRequestBus.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace Terrain
{
struct TerrainSurfaceMaterialMapping final
{
AZ_CLASS_ALLOCATOR(TerrainSurfaceMaterialMapping, AZ::SystemAllocator, 0);
AZ_RTTI(TerrainSurfaceMaterialMapping, "{37D2A586-CDDD-4FB7-A7D6-0B4CC575AB8C}");
static void Reflect(AZ::ReflectContext* context);
AZ::Data::Asset<AZ::RPI::MaterialAsset> m_materialAsset;
AZ::Data::Instance<AZ::RPI::Material> m_materialInstance;
AZ::Data::AssetId m_activeMaterialAssetId;
AZ::RPI::Material::ChangeId m_previousChangeId = AZ::RPI::Material::DEFAULT_CHANGE_ID;
// Surface tags not used by default material
SurfaceData::SurfaceTag m_surfaceTag;
SurfaceData::SurfaceTag m_previousTag;
bool m_active = false;
};
class TerrainSurfaceMaterialsListConfig : public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(TerrainSurfaceMaterialsListConfig, AZ::SystemAllocator, 0);
AZ_RTTI(TerrainSurfaceMaterialsListConfig, "{68A1CB1B-C835-4C3A-8D1C-08692E07711A}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
TerrainSurfaceMaterialsListConfig();
TerrainSurfaceMaterialMapping m_defaultSurfaceMaterial;
AZStd::vector<TerrainSurfaceMaterialMapping> m_surfaceMaterials;
private:
static const AZ::Edit::ElementData* GetDynamicData(const void* handlerPtr, const void* elementPtr, const AZ::Uuid& elementType);
AZ::Edit::ElementData m_hideSurfaceTagData;
};
class TerrainSurfaceMaterialsListComponent
: public AZ::Component
, private TerrainAreaMaterialRequestBus::Handler
, private AZ::Data::AssetBus::MultiHandler
, private LmbrCentral::ShapeComponentNotificationsBus::Handler
{
public:
template<typename, typename>
friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(TerrainSurfaceMaterialsListComponent, "{93CF3938-FBC3-4E55-B825-27BA94A5CD35}");
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);
TerrainSurfaceMaterialsListComponent(const TerrainSurfaceMaterialsListConfig& configuration);
TerrainSurfaceMaterialsListComponent() = default;
~TerrainSurfaceMaterialsListComponent() = 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;
private:
void HandleMaterialStateChanges();
int CountMaterialIdInstances(AZ::Data::AssetId id) const;
////////////////////////////////////////////////////////////////////////
// ShapeComponentNotificationsBus
void OnShapeChanged(ShapeComponentNotifications::ShapeChangeReasons reasons) override;
//////////////////////////////////////////////////////////////////////////
// TerrainAreaMaterialRequestBus
const AZ::Aabb& GetTerrainSurfaceMaterialRegion() const override;
const AZStd::vector<TerrainSurfaceMaterialMapping>& GetSurfaceMaterialMappings() const override;
//////////////////////////////////////////////////////////////////////////
// AZ::Data::AssetBus::Handler
void OnAssetReady(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
void OnAssetReloaded(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
TerrainSurfaceMaterialsListConfig m_configuration;
AZ::Aabb m_cachedAabb;
};
} // namespace Terrain