alexpete
134 lines
5.6 KiB
C++
134 lines
5.6 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/Component/TransformBus.h>
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#include <AzCore/Module/Module.h>
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#include <AzCore/Serialization/EditContextConstants.inl>
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#include <AzToolsFramework/API/ToolsApplicationAPI.h>
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#include <GradientSignal/Editor/EditorGradientTypeIds.h>
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#include <GradientSignal/Ebuses/GradientPreviewContextRequestBus.h>
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#include <GradientSignal/Ebuses/GradientRequestBus.h>
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#include <GradientSignal/Ebuses/GradientPreviewRequestBus.h>
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#include <LmbrCentral/Shape/ShapeComponentBus.h>
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#include <AzToolsFramework/ToolsComponents/EditorVisibilityBus.h>
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#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
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#include <LmbrCentral/Component/EditorWrappedComponentBase.h>
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#include <SurfaceData/SurfaceDataSystemRequestBus.h>
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namespace GradientSignal
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{
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//////////////////////////////////////////////////////////////////////////
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// Set of helpers so we can set the preview entityId on configurations that have a gradient sampler
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template <typename T, typename = int>
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struct HasGradientSampler
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: AZStd::false_type {};
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template <typename T>
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struct HasGradientSampler <T, decltype((void)T::m_gradientSampler, 0)>
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: AZStd::true_type {};
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// Should be specialized to true_type for any class that needs custom handling
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template<typename T>
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struct HasCustomSetSamplerOwner
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: AZStd::false_type {};
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template<typename T>
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bool ValidateGradientEntityIds([[maybe_unused]] T& configuration, AZStd::enable_if_t<!HasGradientSampler<T>::value && !HasCustomSetSamplerOwner<T>::value>* = nullptr) { return true; }
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template<typename T>
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bool ValidateGradientEntityIds(T& configuration, AZStd::enable_if_t<HasGradientSampler<T>::value>* = nullptr)
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{
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return configuration.m_gradientSampler.ValidateGradientEntityId();
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}
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template<typename T>
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void SetSamplerOwnerEntity([[maybe_unused]] T& configuration, [[maybe_unused]] AZ::EntityId entityId, AZStd::enable_if_t<!HasGradientSampler<T>::value && !HasCustomSetSamplerOwner<T>::value>* = nullptr) {}
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template<typename T>
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void SetSamplerOwnerEntity(T& configuration, AZ::EntityId entityId, AZStd::enable_if_t<HasGradientSampler<T>::value>* = nullptr)
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{
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configuration.m_gradientSampler.m_ownerEntityId = entityId;
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}
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//////////////////////////////////////////////////////////////////////////
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template<typename TComponent, typename TConfiguration>
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class EditorGradientComponentBase
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: public LmbrCentral::EditorWrappedComponentBase<TComponent, TConfiguration>
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, protected GradientPreviewContextRequestBus::Handler
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, protected AzToolsFramework::EntitySelectionEvents::Bus::Handler
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, protected LmbrCentral::DependencyNotificationBus::Handler
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{
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public:
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using BaseClassType = LmbrCentral::EditorWrappedComponentBase<TComponent, TConfiguration>;
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using BaseClassType::GetEntityId;
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using BaseClassType::SetDirty;
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AZ_RTTI((EditorGradientComponentBase, "{7C529503-AD3F-4EAB-9AB1-E4BCF8EDA114}", TComponent, TConfiguration), BaseClassType);
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static bool VersionConverter(AZ::SerializeContext& context, AZ::SerializeContext::DataElementNode& classElement);
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static void Reflect(AZ::ReflectContext* context);
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//////////////////////////////////////////////////////////////////////////
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// AZ::Component interface implementation
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void Activate() override;
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void Deactivate() override;
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//////////////////////////////////////////////////////////////////////////
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// LmbrCentral::DependencyNotificationBus
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void OnCompositionChanged() override;
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protected:
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using BaseClassType::m_component;
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using BaseClassType::m_configuration;
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virtual AZ::u32 ConfigurationChanged();
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// This is used by the preview so we can pass an invalid entity Id if our component is disabled
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AZ::EntityId GetGradientEntityId() const;
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private:
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//////////////////////////////////////////////////////////////////////////
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// GradientPreviewContextRequestBus::Handler
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AZ::EntityId GetPreviewEntity() const override;
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AZ::Aabb GetPreviewBounds() const override;
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bool GetConstrainToShape() const override;
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//////////////////////////////////////////////////////////////////////////
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// AzToolsFramework::EntitySelectionEvents::Bus::Handler
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void OnSelected() override;
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void OnDeselected() override;
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AZ::u32 GetPreviewPositionVisibility() const;
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AZ::u32 GetPreviewSizeVisibility() const;
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AZ::u32 GetPreviewConstrainToShapeVisibility() const;
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AZ::u32 PreviewSettingsAndSettingsVisibilityChanged() const;
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void UpdatePreviewSettings() const;
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AzToolsFramework::EntityIdList CancelPreviewRendering() const;
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private:
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AZ::EntityId m_previewEntityId;
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AZ::Vector3 m_previewPosition = AZ::Vector3(0.0f);
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AZ::Vector3 m_previewSize = AZ::Vector3(1.0f); //1m sq preview...arbitrary default box size in meters chosen by design
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bool m_constrainToShape = false;
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AZ::EntityId m_gradientEntityId;
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};
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} // namespace GradientSignal
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#include "EditorGradientComponentBase.inl"
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