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325 lines
15 KiB
C++
325 lines
15 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <PostProcess/PostFxLayerComponentController.h>
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#include <AtomLyIntegration/CommonFeatures/PostProcess/PostFxWeightRequestBus.h>
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#include <LmbrCentral/Scripting/TagComponentBus.h>
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#include <LmbrCentral/Scripting/EditorTagComponentBus.h>
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#include <AzCore/Component/TransformBus.h>
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#include <AzCore/RTTI/BehaviorContext.h>
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#include <Atom/RPI.Public/Scene.h>
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#include <Atom/RPI.Public/ViewProviderBus.h>
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#include <Atom/RPI.Public/ViewportContextBus.h>
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namespace AZ
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{
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namespace Render
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{
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void PostFxLayerComponentController::Reflect(ReflectContext* context)
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{
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PostFxLayerComponentConfig::Reflect(context);
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if (auto* serializeContext = azrtti_cast<SerializeContext*>(context))
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{
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serializeContext->Class<PostFxLayerComponentController>()
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->Version(0)
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->Field("Configuration", &PostFxLayerComponentController::m_configuration);
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}
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if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
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{
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behaviorContext->EBus<PostFxLayerRequestBus>("PostFxLayerRequestBus")
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// Auto-gen behavior context...
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#define PARAM_EVENT_BUS PostFxLayerRequestBus::Events
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#include <Atom/Feature/ParamMacros/StartParamBehaviorContext.inl>
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#include <Atom/Feature/PostProcess/PostProcessParams.inl>
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#include <Atom/Feature/ParamMacros/EndParams.inl>
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#undef PARAM_EVENT_BUS
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;
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}
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}
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void PostFxLayerComponentController::OnTick(float deltaTime, ScriptTimePoint time)
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{
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AZ_UNUSED(deltaTime);
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AZ_UNUSED(time);
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// get all camera entities if no tags were set in the PostFx layer
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const AZStd::unordered_set<AZ::EntityId>& cameraEntityList = GetCameraEntityList();
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// Get views of each camera
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AZStd::unordered_set<AZ::RPI::View*> allSceneViews;
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for (const AZ::EntityId& cameraEntityId : cameraEntityList)
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{
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// Get the view pointer associated to each camera entity
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AZ::RPI::ViewPtr view = nullptr;
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AZ::RPI::ViewProviderBus::EventResult(
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view,
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cameraEntityId,
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&AZ::RPI::ViewProvider::GetView
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);
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if (view != nullptr)
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{
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allSceneViews.insert(view.get());
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}
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}
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// Add the current view which can potentially be the editor view
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auto atomViewportRequests = AZ::Interface<AZ::RPI::ViewportContextRequestsInterface>::Get();
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const AZ::Name contextName = atomViewportRequests->GetDefaultViewportContextName();
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auto currentView = atomViewportRequests->GetCurrentView(contextName);
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if (IsEditorView(currentView))
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{
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allSceneViews.insert(currentView.get());
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}
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// calculate blend weights for all cameras
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PostProcessSettingsInterface::ViewBlendWeightMap perViewBlendWeights;
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for (auto view : allSceneViews)
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{
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if (view)
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{
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// get the view position
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AZ::Vector3 viewPosition = view->GetViewToWorldMatrix().GetTranslation();
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// calculate blend weight based on proximity to weight modifier
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float blendWeightResult = 1.0f;
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AZ::Render::PostFxWeightRequestBus::EventResult(
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blendWeightResult,
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m_entityId,
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&AZ::Render::PostFxWeightRequests::GetWeightAtPosition,
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viewPosition
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);
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// store result
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perViewBlendWeights[view] = blendWeightResult;
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}
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}
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// copy cameraToBlendWeight data to settings
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m_postProcessInterface = m_featureProcessorInterface->GetOrCreateSettingsInterface(m_entityId);
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m_postProcessInterface->CopyViewToBlendWeightSettings(perViewBlendWeights);
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m_postProcessInterface->OnConfigChanged();
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}
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void PostFxLayerComponentController::GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
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{
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provided.push_back(AZ_CRC_CE("PostFXLayerService"));
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}
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void PostFxLayerComponentController::GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible)
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{
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incompatible.push_back(AZ_CRC_CE("PostFXLayerService"));
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}
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PostFxLayerComponentController::PostFxLayerComponentController(const PostFxLayerComponentConfig& config)
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: m_configuration(config)
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{
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}
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void PostFxLayerComponentController::OnEntityTagAdded(const AZ::EntityId& entityId)
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{
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// If the entity contains an exclusion tag, do not add it to the tagged camera entities
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if (!HasTags(entityId, m_configuration.m_exclusionTags))
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{
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m_taggedCameraEntities.insert(entityId);
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}
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}
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void PostFxLayerComponentController::OnEntityTagRemoved(const AZ::EntityId& entityId)
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{
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m_taggedCameraEntities.erase(entityId);
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}
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void PostFxLayerComponentController::OnCameraAdded(const AZ::EntityId& cameraId)
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{
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// If the entity contains an exclusion tag, do not add it to the camera entities
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if (!HasTags(cameraId, m_configuration.m_exclusionTags))
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{
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m_cameraEntities.insert(cameraId);
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}
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AZ::RPI::ViewPtr view = nullptr;
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AZ::RPI::ViewProviderBus::EventResult(view, cameraId, &AZ::RPI::ViewProvider::GetView);
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if (view != nullptr)
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{
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m_allCameraViews.insert(view.get());
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}
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}
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void PostFxLayerComponentController::OnCameraRemoved(const AZ::EntityId& cameraId)
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{
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m_cameraEntities.erase(cameraId);
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}
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void PostFxLayerComponentController::RebuildCameraEntitiesList()
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{
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// Reconnect buses to regenerate the entities list
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m_taggedCameraEntities.clear();
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BusConnectToTags();
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m_cameraEntities.clear();
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Camera::CameraNotificationBus::Handler::BusDisconnect();
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Camera::CameraNotificationBus::Handler::BusConnect();
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}
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const AZStd::unordered_set<AZ::EntityId>& PostFxLayerComponentController::GetCameraEntityList() const
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{
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if (m_configuration.m_cameraTags.empty())
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{
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return m_cameraEntities;
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}
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else
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{
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return m_taggedCameraEntities;
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}
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}
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bool PostFxLayerComponentController::IsEditorView(const AZ::RPI::ViewPtr view)
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{
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return m_allCameraViews.find(view.get()) == m_allCameraViews.end() ? true : false;
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}
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bool PostFxLayerComponentController::HasTags(const AZ::EntityId& entityId, const AZStd::vector<AZStd::string>& tags) const
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{
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bool hasTag = false;
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for (auto tag : tags)
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{
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LmbrCentral::TagComponentRequestBus::EventResult(
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hasTag,
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entityId,
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&LmbrCentral::TagComponentRequests::HasTag,
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LmbrCentral::Tag(tag)
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);
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LmbrCentral::EditorTagComponentRequestBus::EventResult(
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hasTag,
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entityId,
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&LmbrCentral::EditorTagComponentRequests::HasTag,
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tag.c_str()
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);
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if (hasTag)
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{
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return true;
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}
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}
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return false;
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}
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void PostFxLayerComponentController::BusConnectToTags()
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{
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LmbrCentral::TagGlobalNotificationBus::MultiHandler::BusDisconnect();
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for (auto tag : m_configuration.m_cameraTags)
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{
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LmbrCentral::TagGlobalNotificationBus::MultiHandler::BusConnect(LmbrCentral::Tag(tag));
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}
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}
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void PostFxLayerComponentController::Activate(EntityId entityId)
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{
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m_entityId = entityId;
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m_featureProcessorInterface = RPI::Scene::GetFeatureProcessorForEntity<PostProcessFeatureProcessorInterface>(m_entityId);
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if (m_featureProcessorInterface)
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{
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m_postProcessInterface = m_featureProcessorInterface->GetOrCreateSettingsInterface(m_entityId);
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m_configuration.CopySettingsTo(m_postProcessInterface);
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}
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BusConnectToTags();
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Camera::CameraNotificationBus::Handler::BusConnect();
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PostFxLayerRequestBus::Handler::BusConnect(m_entityId);
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AZ::TickBus::Handler::BusConnect();
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}
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void PostFxLayerComponentController::Deactivate()
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{
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AZ::TickBus::Handler::BusDisconnect();
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PostFxLayerRequestBus::Handler::BusDisconnect(m_entityId);
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Camera::CameraNotificationBus::Handler::BusDisconnect();
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LmbrCentral::TagGlobalNotificationBus::MultiHandler::BusDisconnect();
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if (m_featureProcessorInterface)
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{
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m_featureProcessorInterface->RemoveSettingsInterface(m_entityId);
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}
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m_postProcessInterface = nullptr;
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m_featureProcessorInterface = nullptr;
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m_entityId.SetInvalid();
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}
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void PostFxLayerComponentController::SetConfiguration(const PostFxLayerComponentConfig& config)
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{
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m_configuration = config;
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}
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const PostFxLayerComponentConfig& PostFxLayerComponentController::GetConfiguration() const
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{
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return m_configuration;
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}
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void PostFxLayerComponentController::OnConfigChanged()
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{
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if (m_postProcessInterface)
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{
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m_configuration.CopySettingsTo(m_postProcessInterface);
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m_postProcessInterface->OnConfigChanged();
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}
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}
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// Auto-gen getter/setter function definitions...
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// The setter functions will set the values on the Atom settings class, then get the value back
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// from the settings class to set the local configuration. This is in case the settings class
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// applies some custom logic that results in the set value being different from the input
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#define AZ_GFX_COMMON_PARAM(ValueType, Name, MemberName, DefaultValue) \
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\
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ValueType PostFxLayerComponentController::Get##Name() const \
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{ \
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return m_configuration.MemberName; \
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} \
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void PostFxLayerComponentController::Set##Name(ValueType val) \
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{ \
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if(m_postProcessInterface) \
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{ \
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m_postProcessInterface->Set##Name(val); \
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m_postProcessInterface->OnConfigChanged(); \
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m_configuration.MemberName = m_postProcessInterface->Get##Name(); \
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} \
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else \
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{ \
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m_configuration.MemberName = val; \
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} \
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} \
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#define AZ_GFX_COMMON_OVERRIDE(ValueType, Name, MemberName, OverrideValueType) \
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\
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OverrideValueType PostFxLayerComponentController::Get##Name##Override() const \
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{ \
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return m_configuration.MemberName##Override; \
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} \
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void PostFxLayerComponentController::Set##Name##Override(OverrideValueType val) \
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{ \
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m_configuration.MemberName = val; \
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if(m_postProcessInterface) \
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{ \
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m_postProcessInterface->Set##Name##Override(val); \
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m_postProcessInterface->OnConfigChanged(); \
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} \
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} \
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#include <Atom/Feature/ParamMacros/MapAllCommon.inl>
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#include <Atom/Feature/PostProcess/PostProcessParams.inl>
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#include <Atom/Feature/ParamMacros/EndParams.inl>
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} // namespace Render
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} // namespace AZ
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