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o3de/Gems/Atom/Feature/Common/Code/Source/OcclusionCullingPlane/OcclusionCullingPlane.cpp

108 lines
4.4 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <OcclusionCullingPlane/OcclusionCullingPlaneFeatureProcessor.h>
#include <AzCore/Math/Random.h>
#include <Atom/RPI.Public/Scene.h>
#include <Atom/RPI.Reflect/Asset/AssetUtils.h>
#include <Atom/RPI.Reflect/Material/MaterialAsset.h>
namespace AZ
{
namespace Render
{
OcclusionCullingPlane::~OcclusionCullingPlane()
{
Data::AssetBus::MultiHandler::BusDisconnect();
m_meshFeatureProcessor->ReleaseMesh(m_visualizationMeshHandle);
}
void OcclusionCullingPlane::Init(RPI::Scene* scene)
{
AZ_Assert(scene, "OcclusionCullingPlane::Init called with a null Scene pointer");
m_meshFeatureProcessor = scene->GetFeatureProcessor<Render::MeshFeatureProcessorInterface>();
// load visualization plane model and material
m_visualizationModelAsset = AZ::RPI::AssetUtils::GetAssetByProductPath<AZ::RPI::ModelAsset>(
"Models/OcclusionCullingPlane.azmodel",
AZ::RPI::AssetUtils::TraceLevel::Assert);
m_visualizationMeshHandle = m_meshFeatureProcessor->AcquireMesh(MeshHandleDescriptor{ m_visualizationModelAsset });
m_meshFeatureProcessor->SetExcludeFromReflectionCubeMaps(m_visualizationMeshHandle, true);
m_meshFeatureProcessor->SetRayTracingEnabled(m_visualizationMeshHandle, false);
m_meshFeatureProcessor->SetTransform(m_visualizationMeshHandle, AZ::Transform::CreateIdentity());
SetVisualizationMaterial();
}
void OcclusionCullingPlane::SetVisualizationMaterial()
{
AZStd::string materialAssetPath;
if (m_transparentVisualization)
{
materialAssetPath = "Materials/OcclusionCullingPlane/OcclusionCullingPlaneTransparentVisualization.azmaterial";
}
else
{
materialAssetPath = "Materials/OcclusionCullingPlane/OcclusionCullingPlaneVisualization.azmaterial";
}
RPI::AssetUtils::TraceLevel traceLevel = AZ::RPI::AssetUtils::TraceLevel::Assert;
m_visualizationMaterialAsset = AZ::RPI::AssetUtils::GetAssetByProductPath<AZ::RPI::MaterialAsset>(materialAssetPath.c_str(), traceLevel);
m_visualizationMaterialAsset.QueueLoad();
Data::AssetBus::MultiHandler::BusConnect(m_visualizationMaterialAsset.GetId());
}
void OcclusionCullingPlane::OnAssetReady(Data::Asset<Data::AssetData> asset)
{
if (m_visualizationMaterialAsset.GetId() == asset.GetId())
{
m_visualizationMaterialAsset = asset;
Data::AssetBus::MultiHandler::BusDisconnect(asset.GetId());
m_visualizationMaterial = AZ::RPI::Material::FindOrCreate(m_visualizationMaterialAsset);
m_meshFeatureProcessor->SetMaterialAssignmentMap(m_visualizationMeshHandle, m_visualizationMaterial);
}
}
void OcclusionCullingPlane::OnAssetError(Data::Asset<Data::AssetData> asset)
{
AZ_Error("OcclusionCullingPlane", false, "Failed to load OcclusionCullingPlane visualization asset %s", asset.ToString<AZStd::string>().c_str());
Data::AssetBus::MultiHandler::BusDisconnect(asset.GetId());
}
void OcclusionCullingPlane::SetTransform(const AZ::Transform& transform)
{
m_transform = transform;
// update visualization plane transform
m_meshFeatureProcessor->SetTransform(m_visualizationMeshHandle, transform);
}
void OcclusionCullingPlane::ShowVisualization(bool showVisualization)
{
if (m_showVisualization != showVisualization)
{
m_meshFeatureProcessor->SetVisible(m_visualizationMeshHandle, showVisualization);
SetVisualizationMaterial();
}
}
void OcclusionCullingPlane::SetTransparentVisualization(bool transparentVisualization)
{
if (m_transparentVisualization != transparentVisualization)
{
m_transparentVisualization = transparentVisualization;
SetVisualizationMaterial();
}
}
} // namespace Render
} // namespace AZ