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o3de/Gems/Vegetation/Code/Source/Components/MeshBlockerComponent.h

138 lines
5.9 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Asset/AssetCommon.h>
#include <AzCore/Component/Component.h>
#include <AzCore/Component/TickBus.h>
#include <Vegetation/Ebuses/AreaRequestBus.h>
#include <Vegetation/Ebuses/MeshBlockerRequestBus.h>
#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
#include <AtomLyIntegration/CommonFeatures/Mesh/MeshComponentBus.h>
#include <SurfaceData/SurfaceDataSystemNotificationBus.h>
#include <AzCore/Component/TransformBus.h>
#include <AzCore/std/containers/unordered_map.h>
#include <Vegetation/Ebuses/AreaNotificationBus.h>
#include <Vegetation/AreaComponentBase.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace Vegetation
{
class MeshBlockerConfig
: public AreaConfig
{
public:
AZ_CLASS_ALLOCATOR(MeshBlockerConfig, AZ::SystemAllocator, 0);
AZ_RTTI(MeshBlockerConfig, "{1D00F234-8134-4A42-A357-ADAC865CF63A}", AreaConfig);
static void Reflect(AZ::ReflectContext* context);
MeshBlockerConfig() : AreaConfig() { m_priority = AreaConstants::s_priorityMax; m_layer = AreaConstants::s_foregroundLayer; }
bool m_inheritBehavior = true;
float m_meshHeightPercentMin = 0.0f;
float m_meshHeightPercentMax = 1.0f;
bool m_blockWhenInvisible = true;
};
static const AZ::Uuid MeshBlockerComponentTypeId = "{06A1ABB3-F2CD-47FC-BDE3-A13E37F3D760}";
class MeshBlockerComponent
: public AreaComponentBase
, private AZ::Render::MeshComponentNotificationBus::Handler
, private AZ::TickBus::Handler
, private MeshBlockerRequestBus::Handler
, private SurfaceData::SurfaceDataSystemNotificationBus::Handler
{
public:
friend class EditorMeshBlockerComponent;
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(MeshBlockerComponent, MeshBlockerComponentTypeId, AreaComponentBase);
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);
MeshBlockerComponent(const MeshBlockerConfig& configuration);
MeshBlockerComponent() = default;
~MeshBlockerComponent() = 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;
//////////////////////////////////////////////////////////////////////////
// AreaRequestBus
bool PrepareToClaim(EntityIdStack& stackIds) override;
void ClaimPositions(EntityIdStack& stackIds, ClaimContext& context) override;
void UnclaimPosition(const ClaimHandle handle) override;
//////////////////////////////////////////////////////////////////////////
// AreaInfoBus
AZ::Aabb GetEncompassingAabb() const override;
AZ::u32 GetProductCount() const override;
//////////////////////////////////////////////////////////////////////////
// DependencyNotificationBus
void OnCompositionChanged() override;
//////////////////////////////////////////////////////////////////////////
// MeshComponentNotificationBus
void OnModelReady(const AZ::Data::Asset<AZ::RPI::ModelAsset>& modelAsset, const AZ::Data::Instance<AZ::RPI::Model>& model) override;
//////////////////////////////////////////////////////////////////////////
// SurfaceData::SurfaceDataSystemNotificationBus
void OnSurfaceChanged(const AZ::EntityId& entityId, const AZ::Aabb& oldBounds, const AZ::Aabb& newBounds) override;
////////////////////////////////////////////////////////////////////////
// AZ::TickBus
void OnTick(float deltaTime, AZ::ScriptTimePoint time) override;
protected:
////////////////////////////////////////////////////////////////////////
// MeshBlockerRequestBus
AZ::u32 GetAreaPriority() const override;
void SetAreaPriority(AZ::u32 priority) override;
AZ::u32 GetAreaLayer() const override;
void SetAreaLayer(AZ::u32 type) override;
AZ::u32 GetAreaProductCount() const override;
bool GetInheritBehavior() const override;
void SetInheritBehavior(bool value) override;
float GetMeshHeightPercentMin() const override;
void SetMeshHeightPercentMin(float meshHeightPercentMin) override;
float GetMeshHeightPercentMax() const override;
void SetMeshHeightPercentMax(float meshHeightPercentMax) override;
bool GetBlockWhenInvisible() const override;
void SetBlockWhenInvisible(bool value) override;
private:
bool ClaimPosition(EntityIdStack& processedIds, const ClaimPoint& point, InstanceData& instanceData);
void UpdateMeshData();
MeshBlockerConfig m_configuration;
AZStd::atomic_bool m_refresh{ false };
// cached data
mutable AZStd::recursive_mutex m_cacheMutex;
AZ::Data::Asset<AZ::Data::AssetData> m_meshAssetData;
AZ::Transform m_meshWorldTM = AZ::Transform::CreateIdentity();
AZ::Transform m_meshWorldTMInverse = AZ::Transform::CreateIdentity();
AZ::Aabb m_meshBounds = AZ::Aabb::CreateNull();
AZ::Aabb m_meshBoundsForIntersection = AZ::Aabb::CreateNull();
bool m_meshVisible = false;
using CachedRayHits = AZStd::unordered_map<ClaimHandle, bool>;
CachedRayHits m_cachedRayHits;
};
}