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

117 lines
4.4 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 <AzCore/Math/Vector3.h>
#include <Vegetation/Ebuses/ModifierRequestBus.h>
#include <Vegetation/Ebuses/PositionModifierRequestBus.h>
#include <GradientSignal/GradientSampler.h>
#include <LmbrCentral/Dependency/DependencyMonitor.h>
#include <SurfaceData/SurfaceDataSystemRequestBus.h>
namespace LmbrCentral
{
template<typename, typename>
class EditorWrappedComponentBase;
}
namespace Vegetation
{
class PositionModifierConfig
: public AZ::ComponentConfig
{
public:
AZ_CLASS_ALLOCATOR(PositionModifierConfig, AZ::SystemAllocator, 0);
AZ_RTTI(PositionModifierConfig, "{B7A0A88D-4FDF-487F-A0E6-5BE04C82862A}", AZ::ComponentConfig);
static void Reflect(AZ::ReflectContext* context);
bool m_allowOverrides = false;
bool m_autoSnapToSurface = true;
SurfaceData::SurfaceTagVector m_surfaceTagsToSnapTo;
float m_rangeMinX = -0.3f;
float m_rangeMaxX = 0.3f;
GradientSignal::GradientSampler m_gradientSamplerX;
float m_rangeMinY = -0.3f;
float m_rangeMaxY = 0.3f;
GradientSignal::GradientSampler m_gradientSamplerY;
float m_rangeMinZ = 0.0f;
float m_rangeMaxZ = 0.0f;
GradientSignal::GradientSampler m_gradientSamplerZ;
size_t GetNumTags() const;
AZ::Crc32 GetTag(int tagIndex) const;
void RemoveTag(int tagIndex);
void AddTag(AZStd::string tag);
};
static const AZ::Uuid PositionModifierComponentTypeId = "{A5E84838-57D7-4F40-B011-73D9FD9AE33D}";
/**
* Component implementing VegetationModifierRequestBus that offsets position
*/
class PositionModifierComponent
: public AZ::Component
, public ModifierRequestBus::Handler
, private PositionModifierRequestBus::Handler
{
public:
template<typename, typename> friend class LmbrCentral::EditorWrappedComponentBase;
AZ_COMPONENT(PositionModifierComponent, PositionModifierComponentTypeId);
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);
PositionModifierComponent(const PositionModifierConfig& configuration);
PositionModifierComponent() = default;
~PositionModifierComponent() = 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;
//////////////////////////////////////////////////////////////////////////
// VegetationModifierRequestBus
void Execute(InstanceData& instanceData) const override;
ModifierStage GetModifierStage() const override;
protected:
//////////////////////////////////////////////////////////////////////////
// PositionModifierRequestBus
bool GetAllowOverrides() const override;
void SetAllowOverrides(bool value) override;
AZ::Vector3 GetRangeMin() const override;
void SetRangeMin(AZ::Vector3 rangeMin) override;
AZ::Vector3 GetRangeMax() const override;
void SetRangeMax(AZ::Vector3 rangeMax) override;
GradientSignal::GradientSampler& GetGradientSamplerX() override;
GradientSignal::GradientSampler& GetGradientSamplerY() override;
GradientSignal::GradientSampler& GetGradientSamplerZ() override;
size_t GetNumTags() const override;
AZ::Crc32 GetTag(int tagIndex) const override;
void RemoveTag(int tagIndex) override;
void AddTag(AZStd::string tag) override;
private:
PositionModifierConfig m_configuration;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
//reserve for masks to re-snap to surface
mutable SurfaceData::SurfaceTagVector m_surfaceTagsToSnapToCombined;
//point vector reserved for reuse
mutable SurfaceData::SurfacePointList m_points;
};
}