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

107 lines
4.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <LmbrCentral/Dependency/DependencyMonitor.h>
#include <AzCore/Component/Component.h>
#include <AzCore/Component/TransformBus.h>
#include <LmbrCentral/Shape/ShapeComponentBus.h>
#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
#include <Vegetation/Ebuses/AreaNotificationBus.h>
#include <Vegetation/Ebuses/AreaBlenderRequestBus.h>
#include <Vegetation/AreaComponentBase.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace Vegetation
{
class AreaBlenderConfig
: public AreaConfig
{
public:
AZ_CLASS_ALLOCATOR(AreaBlenderConfig, AZ::SystemAllocator, 0);
AZ_RTTI(AreaBlenderConfig, "{ED57731E-2821-4AA6-9BD6-9203ED0B6AB0}", AreaConfig);
static void Reflect(AZ::ReflectContext* context);
bool m_inheritBehavior = true;
bool m_propagateBehavior = true;
AZStd::vector<AZ::EntityId> m_vegetationAreaIds;
size_t GetNumAreas() const;
AZ::EntityId GetAreaEntityId(int index) const;
void RemoveAreaEntityId(int index);
void AddAreaEntityId(AZ::EntityId entityId);
};
static const AZ::Uuid AreaBlenderComponentTypeId = "{899AA751-BC3F-45D8-9D66-07CE72FDC86D}";
/**
* Placement logic for combined vegetation areas
*/
class AreaBlenderComponent
: public AreaComponentBase
, private AreaBlenderRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(AreaBlenderComponent, AreaBlenderComponentTypeId, 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);
AreaBlenderComponent(const AreaBlenderConfig& configuration);
AreaBlenderComponent() = default;
~AreaBlenderComponent() = 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;
protected:
//////////////////////////////////////////////////////////////////////////
// AreaBlenderRequestBus
AZ::u32 GetAreaPriority() const override;
void SetAreaPriority(AZ::u32 priority) override;
AZ::u32 GetAreaLayer() const override;
void SetAreaLayer(AZ::u32 layer) override;
AZ::u32 GetAreaProductCount() const override;
bool GetInheritBehavior() const override;
void SetInheritBehavior(bool value) override;
bool GetPropagateBehavior() const override;
void SetPropagateBehavior(bool value) override;
size_t GetNumAreas() const override;
AZ::EntityId GetAreaEntityId(int index) const override;
void RemoveAreaEntityId(int index) override;
void AddAreaEntityId(AZ::EntityId entityId) override;
private:
AreaBlenderConfig m_configuration;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
mutable bool m_isRequestInProgress = false; //prevent recursion in case user attaches cyclic dependences
void SetupDependencies();
};
}