414 lines
14 KiB
C++
414 lines
14 KiB
C++
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// Fill out your copyright notice in the Description page of Project Settings.
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#include "PXR_SceneCapturesGenerator.h"
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#include "JsonObjectConverter.h"
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#include "PXR_EventManager.h"
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#include "PXR_MRAsyncActions.h"
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#include "PXR_MRFunctionLibrary.h"
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#include "Algo/Transform.h"
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#include "Engine/StaticMeshActor.h"
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#include "Serialization/JsonWriter.h"
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#include "Serialization/JsonSerializer.h"
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#if WITH_EDITOR
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#include "FileHelpers.h"
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#endif
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constexpr float WALL_WIDTH = 1.0f;
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// Sets default values
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APICOXRSceneCapturesGenerator::APICOXRSceneCapturesGenerator():
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bEnableProceduralMeshForFloor(true),
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ProceduralMeshMaterialForFloor(nullptr),
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ProceduralMeshUVAdjustmentForFloor(),
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bEnableProceduralMeshCollisionForFloor(false),
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bEnableProceduralMeshForCeiling(false),
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ProceduralMeshMaterialForCeiling(nullptr),
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ProceduralMeshUVAdjustmentForCeiling(),
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bEnableProceduralMeshCollisionForCeiling(false)
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{
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// Set this actor to call Tick() every frame. You can turn this off to improve performance if you don't need it.
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PrimaryActorTick.bCanEverTick = true;
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GenerateMaps =
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{
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{EPICOSemanticLabel::Wall, {}},
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{EPICOSemanticLabel::Door, {}},
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{EPICOSemanticLabel::Window, {}},
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{EPICOSemanticLabel::Opening, {}},
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{EPICOSemanticLabel::Table, {}},
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{EPICOSemanticLabel::Sofa, {}},
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{EPICOSemanticLabel::Chair, {}},
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{EPICOSemanticLabel::Human, {}},
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{EPICOSemanticLabel::Curtain, {}},
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{EPICOSemanticLabel::Cabinet, {}},
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{EPICOSemanticLabel::Bed, {}},
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{EPICOSemanticLabel::Screen, {}},
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{EPICOSemanticLabel::VirtualWall, {}},
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};
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}
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// Called when the game starts or when spawned
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void APICOXRSceneCapturesGenerator::BeginPlay()
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{
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Super::BeginPlay();
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for (const auto& Scene:GenerateMaps)
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{
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if (Scene.Value.Actor)
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{
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SceneLoadInfo.SemanticFilter.Add(Scene.Key);
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}
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}
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if (bEnableProceduralMeshForFloor)
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{
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SceneLoadInfo.SemanticFilter.Add(EPICOSemanticLabel::Floor);
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}
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if (bEnableProceduralMeshForCeiling)
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{
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SceneLoadInfo.SemanticFilter.Add(EPICOSemanticLabel::Ceiling);
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}
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}
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// Called every frame
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void APICOXRSceneCapturesGenerator::Tick(float DeltaTime)
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{
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Super::Tick(DeltaTime);
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}
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void APICOXRSceneCapturesGenerator::LoadSceneDataAsync(const FPXRLoadSceneDataEventDelegate& OnLoadFinished)
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{
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SceneDataLoadDelegate = OnLoadFinished;
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HandleSceneDataUpdatedEvent();
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}
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void APICOXRSceneCapturesGenerator::EnableAutoLoadingSceneData(bool InAutoLoadingEnabled)
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{
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if (InAutoLoadingEnabled)
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{
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if (!UPICOXRHMDFunctionLibrary::PXR_GetEventManager()->SceneCaptureDataUpdatedDelegate.Contains(this, GET_FUNCTION_NAME_CHECKED(APICOXRSceneCapturesGenerator, HandleSceneDataUpdatedEvent)))
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{
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UPICOXRHMDFunctionLibrary::PXR_GetEventManager()->SceneCaptureDataUpdatedDelegate.AddDynamic(this, &APICOXRSceneCapturesGenerator::HandleSceneDataUpdatedEvent);
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}
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}
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else
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{
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if (UPICOXRHMDFunctionLibrary::PXR_GetEventManager()->SceneCaptureDataUpdatedDelegate.Contains(this, GET_FUNCTION_NAME_CHECKED(APICOXRSceneCapturesGenerator, HandleSceneDataUpdatedEvent)))
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{
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UPICOXRHMDFunctionLibrary::PXR_GetEventManager()->SceneCaptureDataUpdatedDelegate.RemoveDynamic(this, &APICOXRSceneCapturesGenerator::HandleSceneDataUpdatedEvent);
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}
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}
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}
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FVector APICOXRSceneCapturesGenerator::ConvertUnityPositionToUE(const FVector& InPosition, float WorldToMetersScale)
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{
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return FVector(InPosition.Z, InPosition.X, InPosition.Y) * WorldToMetersScale;
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}
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FQuat APICOXRSceneCapturesGenerator::ConvertUnityRotationToUE(const FQuat& InRotation)
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{
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return FQuat(InRotation.Z, InRotation.X, InRotation.Y, InRotation.W);
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}
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void APICOXRSceneCapturesGenerator::SpawnSceneCaptures_Offline(const FPICOMRSceneInfos_Offline& Scene_Offline)
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{
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float WorldToMetersScale = 100.0f;
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if (GWorld != nullptr)
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{
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WorldToMetersScale=GWorld->GetWorldSettings()->WorldToMeters;
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}
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for (auto MRScene : Scene_Offline.OutSceneInfos)
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{
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FVector Location=ConvertUnityPositionToUE(MRScene.Position,WorldToMetersScale);
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FQuat Quat=ConvertUnityRotationToUE(MRScene.Rotation);
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FRotator Rotation=FRotator(Quat);
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FTransform Transform=FTransform(Rotation,Location);
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TArray<FVector> Vertices;
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if (MRScene.PolygonVertices.Num())
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{
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Algo::Transform(MRScene.PolygonVertices, Vertices, [WorldToMetersScale](const auto& Vertex) { return FVector(-Vertex.Y, Vertex.X,0) * WorldToMetersScale; });
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}
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switch (MRScene.SemanticLabel) {
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case EPICOSemanticLabel::Unknown:
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break;
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case EPICOSemanticLabel::Floor:
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case EPICOSemanticLabel::Ceiling:
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{
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SpawnPolygonCapture(MRScene.SemanticLabel,Transform,Vertices);
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}
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break;
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case EPICOSemanticLabel::Wall:
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case EPICOSemanticLabel::Door:
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case EPICOSemanticLabel::Window:
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case EPICOSemanticLabel::Opening:
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case EPICOSemanticLabel::VirtualWall:
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{
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FVector OriginScale=FVector(MRScene.Box2DInfo.Extent.Y*WorldToMetersScale,MRScene.Box2DInfo.Extent.X*WorldToMetersScale,WALL_WIDTH);
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SpawnAndRescaling2DCapture(MRScene.SemanticLabel,Location,Rotation,OriginScale);
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}
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break;
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case EPICOSemanticLabel::Table:
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case EPICOSemanticLabel::Sofa:
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case EPICOSemanticLabel::Chair:
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case EPICOSemanticLabel::Human:
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case EPICOSemanticLabel::Curtain:
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case EPICOSemanticLabel::Cabinet:
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case EPICOSemanticLabel::Bed:
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case EPICOSemanticLabel::Stairway:
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case EPICOSemanticLabel::Screen:
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{
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FVector OriginScale=ConvertUnityPositionToUE(MRScene.Box3DInfo.Extent,WorldToMetersScale);
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SpawnAndRescaling3DCapture(MRScene.SemanticLabel,Location,Rotation,OriginScale);
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}
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break;
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default:
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break;
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}
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}
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}
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bool APICOXRSceneCapturesGenerator::SpawnAndRescaling2DCapture(EPICOSemanticLabel Label, const FVector& Location, const FRotator& Rotation,const FVector& OriginScale)
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{
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if (GenerateMaps.Contains(Label))
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{
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AActor* Box2DActor = GetWorld()->SpawnActor(GenerateMaps[Label].Actor);
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if (Box2DActor != nullptr)
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{
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Box2DActor->Tags.AddUnique(FName(EnumToString(Label)));
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SceneCaptures.Add(Box2DActor);
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auto Root = Box2DActor->GetRootComponent();
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Root->SetMobility(EComponentMobility::Movable);
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Box2DActor->AttachToComponent(GetRootComponent(), FAttachmentTransformRules::KeepRelativeTransform);
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if (GenerateMaps[Label].ScalingMode == ESceneCaptureScalingMode::Stretch)
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{
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const auto Bounds = Box2DActor->CalculateComponentsBoundingBoxInLocalSpace(true);
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const FVector ActorSize = Bounds.GetSize();
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FVector FinalScale = OriginScale / ActorSize;
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Box2DActor->SetActorScale3D(FinalScale);
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}
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Box2DActor->SetActorLocation(Location);
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Box2DActor->SetActorRotation(Rotation);
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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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bool APICOXRSceneCapturesGenerator::SpawnAndRescaling3DCapture(EPICOSemanticLabel Label, const FVector& Location, const FRotator& Rotation,const FVector& OriginScale)
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{
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if (GenerateMaps.Contains(Label))
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{
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AActor* Box3DActor = GetWorld()->SpawnActor(GenerateMaps[Label].Actor);
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if (Box3DActor !=nullptr)
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{
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Box3DActor->Tags.AddUnique(FName(EnumToString(Label)));
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SceneCaptures.Add(Box3DActor);
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auto Root = Box3DActor->GetRootComponent();
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Root->SetMobility(EComponentMobility::Movable);
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Box3DActor->AttachToComponent(GetRootComponent(), FAttachmentTransformRules::KeepRelativeTransform);
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if (GenerateMaps[Label].ScalingMode==ESceneCaptureScalingMode::Stretch)
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{
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const auto Bounds = Box3DActor->CalculateComponentsBoundingBoxInLocalSpace(true);
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const FVector Box3DActorSize = Bounds.GetSize();
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FVector Scale=OriginScale/Box3DActorSize;
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SetScaleBasedOnRotationAndOriginScale(Root,Scale,FQuat::Identity,FVector::OneVector);
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}
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Box3DActor->SetActorLocation(Location);
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Box3DActor->SetActorRotation(Rotation);
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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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bool APICOXRSceneCapturesGenerator::SpawnPolygonCapture(EPICOSemanticLabel Label, const FTransform& Transform, const TArray<FVector>& Vertices)
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{
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AActor* Actor = this->GetWorld()->SpawnActor<AActor>();
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if (Actor != nullptr)
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{
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SceneCaptures.Add(Actor);
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Actor->SetOwner(this);
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Actor->Tags.AddUnique(FName(EnumToString(Label)));
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Actor->SetRootComponent(NewObject<USceneComponent>(Actor, TEXT("Root")));
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Actor->GetRootComponent()->SetMobility(EComponentMobility::Movable);
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Actor->AttachToComponent(GetRootComponent(), FAttachmentTransformRules::KeepRelativeTransform);
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Actor->SetActorRelativeScale3D(FVector::OneVector);
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Actor->SetActorTransform(Transform);
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if(Label == EPICOSemanticLabel::Floor ? UPICOXRMRFunctionLibrary::PXR_CreateSceneBoundingPolygonWithUVAdjustment(Actor,!bEnableProceduralMeshCollisionForFloor,
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false,ProceduralMeshUVAdjustmentForFloor,Transform,Vertices,ProceduralMeshMaterialForFloor)
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:UPICOXRMRFunctionLibrary::PXR_CreateSceneBoundingPolygonWithUVAdjustment(Actor,!bEnableProceduralMeshCollisionForCeiling,
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true,ProceduralMeshUVAdjustmentForCeiling,Transform,Vertices,ProceduralMeshMaterialForCeiling))
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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 APICOXRSceneCapturesGenerator::SpawnSceneCaptures(const TArray<FPICOMRSceneInfo>& SceneInfos)
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{
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for (auto SceneInfo : SceneInfos)
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{
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FRotator Rotation=FRotator(SceneInfo.ScenePose.GetRotation());
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FVector Location=SceneInfo.ScenePose.GetLocation();
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switch (SceneInfo.SceneType) {
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case EPICOSceneType::BoundingBox2D:
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{
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FPICOBoundingBox2D Box2D;
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UPICOXRMRFunctionLibrary::PXR_GetSceneBoundingBox2D(SceneInfo.UUID,Box2D);
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Location+=Box2D.Center;
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FVector OriginScale=FVector(WALL_WIDTH,Box2D.Extent.Width,Box2D.Extent.Height);
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SpawnAndRescaling2DCapture(SceneInfo.Semantic,Location,Rotation,OriginScale);
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}
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break;
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case EPICOSceneType::BoundingPolygon:
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{
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TArray<FVector> PolygonVertices;
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UPICOXRMRFunctionLibrary::PXR_GetSceneBoundingPolygon(SceneInfo.UUID,PolygonVertices);
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SpawnPolygonCapture(SceneInfo.Semantic,SceneInfo.ScenePose,PolygonVertices);
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}
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break;
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case EPICOSceneType::BoundingBox3D:
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{
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FPICOBoundingBox3D Box3D;
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UPICOXRMRFunctionLibrary::PXR_GetSceneBoundingBox3D(SceneInfo.UUID,Box3D);
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FVector OriginScale=FVector(Box3D.Extent.Depth,Box3D.Extent.Width,Box3D.Extent.Height);
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Location+=Box3D.Center.GetLocation();
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SpawnAndRescaling3DCapture(SceneInfo.Semantic,Location,Rotation,OriginScale);
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}
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break;
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}
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}
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}
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bool APICOXRSceneCapturesGenerator::LoadOfflineSceneData(FString ImportPath, FPICOMRSceneInfos_Offline& OutSceneInfos)
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{
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OutSceneInfos.OutSceneInfos.Reset();
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#if WITH_EDITOR
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FPaths::NormalizeDirectoryName(ImportPath);
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FString JsonString;
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if (FFileHelper::LoadFileToString(JsonString, *ImportPath) )
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{
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FString Prefix = TEXT("{\r\n\"OutSceneInfos\":\r\n");
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JsonString = Prefix + JsonString;
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JsonString += "\r\n}";
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TSharedRef< TJsonReader<> > JsonReader = TJsonReaderFactory<>::Create(JsonString);
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TSharedPtr<FJsonObject> JsonComparisonReport;
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if ( !FJsonSerializer::Deserialize(JsonReader, JsonComparisonReport) )
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{
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return false;
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}
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if ( FJsonObjectConverter::JsonObjectToUStruct(JsonComparisonReport.ToSharedRef(), &OutSceneInfos, 0, 0) )
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{
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if (OutSceneInfos.OutSceneInfos.Num())
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{
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UE_LOG(LogHMD, Display, TEXT("JsonObjectToUStruct Success"));
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}
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else
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{
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UE_LOG(LogHMD, Error, TEXT("JsonObjectToUStruct Failed"));
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}
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}
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return true;
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}
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#endif
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return false;
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}
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void APICOXRSceneCapturesGenerator::ClearSceneCaptures()
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{
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for (auto SceneCapture:SceneCaptures)
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{
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if(SceneCapture)
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{
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SceneCapture->Destroy();
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}
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}
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SceneCaptures.Empty();
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}
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||
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||
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TArray<AActor*> APICOXRSceneCapturesGenerator::GetGeneratedActors()
|
||
|
|
{
|
||
|
|
return SceneCaptures;
|
||
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|
}
|
||
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||
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// Determine the scaling values for the corresponding axes from the axis vectors and the original scaling vectors
|
||
|
|
FVector GetRotatedScale(const FVector& AxisX, const FVector& AxisY, const FVector& AxisZ, const FVector& OriginScale)
|
||
|
|
{
|
||
|
|
FVector RotatedScale;
|
||
|
|
RotatedScale.X = (FMath::Abs(AxisX.X) >= UE_INV_SQRT_2)? OriginScale.X : ((FMath::Abs(AxisX.Y) >= UE_INV_SQRT_2)? OriginScale.Y : OriginScale.Z);
|
||
|
|
RotatedScale.Y = (FMath::Abs(AxisY.X) >= UE_INV_SQRT_2)? OriginScale.X : ((FMath::Abs(AxisY.Y) >= UE_INV_SQRT_2)? OriginScale.Y : OriginScale.Z);
|
||
|
|
RotatedScale.Z = (FMath::Abs(AxisZ.X) >= UE_INV_SQRT_2)? OriginScale.X : ((FMath::Abs(AxisZ.Y) >= UE_INV_SQRT_2)? OriginScale.Y : OriginScale.Z);
|
||
|
|
return RotatedScale;
|
||
|
|
}
|
||
|
|
|
||
|
|
void APICOXRSceneCapturesGenerator::HandleSceneDataUpdatedEvent()
|
||
|
|
{
|
||
|
|
UPICORequestSceneCaptures_AsyncAction* RequestSceneCapturesAction = UPICORequestSceneCaptures_AsyncAction::PXR_RequestSceneCaptures_Async(SceneLoadInfo);
|
||
|
|
RequestSceneCapturesAction->OnSuccess.AddDynamic(this, &APICOXRSceneCapturesGenerator::HandleSceneLoadInfosEvent);
|
||
|
|
RequestSceneCapturesAction->Activate();
|
||
|
|
}
|
||
|
|
|
||
|
|
void APICOXRSceneCapturesGenerator::HandleSceneLoadInfosEvent(EPICOResult Result, const TArray<FPICOMRSceneInfo>& SceneInfos)
|
||
|
|
{
|
||
|
|
if (Result==EPICOResult::PXR_Success)
|
||
|
|
{
|
||
|
|
ClearSceneCaptures();
|
||
|
|
SpawnSceneCaptures(SceneInfos);
|
||
|
|
SceneDataLoadDelegate.ExecuteIfBound(Result);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void APICOXRSceneCapturesGenerator::SetScaleBasedOnRotationAndOriginScale(USceneComponent* SceneComponent, const FVector& OriginScale, const FQuat& BaseRotation, const FVector& BaseScale)
|
||
|
|
{
|
||
|
|
if (SceneComponent)
|
||
|
|
{
|
||
|
|
const auto RelativeRotation = SceneComponent->GetRelativeRotationCache().RotatorToQuat(SceneComponent->GetRelativeRotation());
|
||
|
|
const auto Rotation = BaseRotation * RelativeRotation;
|
||
|
|
const FVector RotatedXAxis = Rotation.GetAxisX();
|
||
|
|
const FVector RotatedYAxis = Rotation.GetAxisY();
|
||
|
|
const FVector RotatedZAxis = Rotation.GetAxisZ();
|
||
|
|
|
||
|
|
// Get the rotated scaling vector
|
||
|
|
FVector RotatedScale = GetRotatedScale(RotatedXAxis, RotatedYAxis, RotatedZAxis, OriginScale);
|
||
|
|
|
||
|
|
const FVector OldScale = SceneComponent->GetRelativeScale3D();
|
||
|
|
const FVector NewScale = BaseScale * RotatedScale * OldScale;
|
||
|
|
SceneComponent->SetRelativeScale3D(NewScale);
|
||
|
|
|
||
|
|
const FVector NewBaseScale = BaseScale * (OldScale / NewScale);
|
||
|
|
for (auto Child : SceneComponent->GetAttachChildren())
|
||
|
|
{
|
||
|
|
if (Child)
|
||
|
|
{
|
||
|
|
SetScaleBasedOnRotationAndOriginScale(Child, OriginScale, Rotation, NewBaseScale);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|