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

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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/Math/Aabb.h>
#include <Atom/RPI.Reflect/Material/MaterialAsset.h>
#include <LmbrCentral/Shape/ShapeComponentBus.h>
#include <TerrainRenderer/TerrainMacroMaterialBus.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace Terrain
{
class TerrainMacroMaterialConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(TerrainMacroMaterialConfig, AZ::SystemAllocator, 0);
AZ_RTTI(TerrainMacroMaterialConfig, "{9DBAFFF0-FD20-4594-8884-E3266D8CCAC8}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
AZ::Data::Asset<AZ::RPI::MaterialAsset> m_materialAsset = { AZ::Data::AssetLoadBehavior::QueueLoad };
static AZ::Data::AssetId GetTerrainMacroMaterialTypeAssetId();
static bool IsMaterialTypeCorrect(const AZ::Data::AssetId&);
AZ::Outcome<void, AZStd::string> ValidateMaterialAsset(void* newValue, const AZ::Uuid& valueType);
private:
static inline constexpr const char* TerrainMacroMaterialTypeAsset = "materials/terrain/terrainmacromaterial.azmaterialtype";
static AZ::Data::AssetId s_macroMaterialTypeAssetId;
};
class TerrainMacroMaterialComponent
: public AZ::Component
, public TerrainMacroMaterialRequestBus::Handler
, private LmbrCentral::ShapeComponentNotificationsBus::Handler
, private AZ::Data::AssetBus::Handler
{
public:
template<typename, typename>
friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(TerrainMacroMaterialComponent, "{F82379FB-E2AE-4F75-A6F4-1AE5F5DA42E8}");
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);
TerrainMacroMaterialComponent(const TerrainMacroMaterialConfig& configuration);
TerrainMacroMaterialComponent() = default;
~TerrainMacroMaterialComponent() = 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;
void GetTerrainMacroMaterialData(AZ::Data::Instance<AZ::RPI::Material>& macroMaterial, AZ::Aabb& macroMaterialRegion) override;
private:
////////////////////////////////////////////////////////////////////////
// ShapeComponentNotificationsBus
void OnShapeChanged(ShapeComponentNotifications::ShapeChangeReasons reasons) 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;
void HandleMaterialStateChange();
TerrainMacroMaterialConfig m_configuration;
AZ::Aabb m_cachedShapeBounds;
AZ::Data::Instance<AZ::RPI::Material> m_macroMaterialInstance;
bool m_macroMaterialActive{ false };
};
}