407 lines
14 KiB
C++
407 lines
14 KiB
C++
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// Copyright HTC Corporation. All Rights Reserved.
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#include "ViveOpenXRAnchorModule.h"
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#include "OpenXRCore.h"
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#include "Modules/ModuleManager.h"
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#include "ARBlueprintLibrary.h"
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#include "IOpenXRARModule.h"
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#include "ARPin.h"
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#include "ViveOpenXRAnchorAsyncTask.h"
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IOpenXRCustomAnchorSupport* FViveOpenXRAnchor::GetCustomAnchorSupport()
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{
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//UE_LOG(ViveOXRAnchor, Log, TEXT("GetCustomAnchorSupport()"));
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return this;
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}
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void FViveOpenXRAnchor::OnStartARSession(class UARSessionConfig* SessionConfig) {
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UE_LOG(ViveOXRAnchor, Log, TEXT("OnStartARSession()"));
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timeSinceARStarted = FPlatformTime::Seconds();
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isARRequestedPersistedAnchorCollection = true;
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CheckPersistedAnchorCollectionAR();
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}
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void FViveOpenXRAnchor::OnPauseARSession() {
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}
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void FViveOpenXRAnchor::OnStopARSession() {
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UE_LOG(ViveOXRAnchor, Log, TEXT("OnStopARSession()"));
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isARRequestedPersistedAnchorCollection = false;
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if (paCollectionAR != nullptr) {
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ReleasePersistedAnchorCollection(paCollectionAR);
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paCollectionAR = nullptr;
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}
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timeSinceARStarted = 0;
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}
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void FViveOpenXRAnchor::CheckPersistedAnchorCollectionAR() {
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if (paCollectionAR != nullptr)
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return;
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if (!isAnchorPersistenceSupported) {
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UE_LOG(ViveOXRAnchor, Log, TEXT("CheckPersistedAnchorCollectionAR() Anchor persistence is not supported."));
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return;
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}
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if (paCollectionAR == nullptr && isARRequestedPersistedAnchorCollection) {
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if (pacFuture == nullptr) {
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auto ret = AcquirePersistedAnchorCollectionAsync(&pacFuture);
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if (XR_SUCCEEDED(ret)) {
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UE_LOG(ViveOXRAnchor, Log, TEXT("CheckPersistedAnchorCollectionAR() Persisted anchor collection is acquiring."));
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} else {
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pacFuture = nullptr;
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isARRequestedPersistedAnchorCollection = false;
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UE_LOG(ViveOXRAnchor, Error, TEXT("CheckPersistedAnchorCollectionAR() Persisted anchor collection creation is failed."));
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}
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} else {
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bool isReady = false;
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auto futureMod = FViveOpenXRFuture::Instance();
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if (futureMod == nullptr) return;
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auto ret = futureMod->PollFuture(pacFuture, isReady);
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if (XR_FAILED(ret)) {
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pacFuture = nullptr;
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isARRequestedPersistedAnchorCollection = false;
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return;
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}
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if (isReady)
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{
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XrPersistedAnchorCollectionAcquireCompletionHTC completion;
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ret = AcquirePersistedAnchorCollectionComplete(pacFuture, &completion);
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if (XR_SUCCEEDED(completion.futureResult)) {
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UE_LOG(ViveOXRAnchor, Log, TEXT("CheckPersistedAnchorCollectionAR() PAC=%p is acquired."), completion.persistedAnchorCollection);
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paCollectionAR = completion.persistedAnchorCollection;
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}
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else
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isARRequestedPersistedAnchorCollection = false;
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pacFuture = nullptr;
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}
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}
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}
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}
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bool FViveOpenXRAnchor::OnPinComponent(UARPin* Pin, XrSession InSession, XrSpace TrackingSpace, XrTime DisplayTime, float worldToMeterScale)
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{
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UE_LOG(ViveOXRAnchor, Log, TEXT("OnPinComponent()"));
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auto t = Pin->GetLocalToTrackingTransform();
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auto loc = t.GetLocation();
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auto rot = t.GetRotation();
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auto debugName = Pin->GetDebugName().ToString();
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if (debugName.IsEmpty())
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debugName = "NoName";
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// XXX We cannot create a unique anchor name and pass the created name to upper level system. Therefore its user's responsiblity to create unique name.
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// Create unique persisted anchor name
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// auto name = GenerateAnchorName(debugName);
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XrSpatialAnchorCreateInfoHTC createInfo = MakeCreateInfo(loc, rot, TrackingSpace, debugName, worldToMeterScale);
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XrSpace anchor = 0;
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if (!CreateSpatialAnchor(&createInfo, &anchor)) return false;
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Pin->SetNativeResource(anchor);
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return true;
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}
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void FViveOpenXRAnchor::OnRemovePin(UARPin* Pin)
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{
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XrSpace anchor = (XrSpace)Pin->GetNativeResource();
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if (xrDestroySpace == nullptr) return;
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xrDestroySpace(anchor);
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Pin->SetPinnedComponent(nullptr);
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Pin->SetNativeResource(nullptr);
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}
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void FViveOpenXRAnchor::OnUpdatePin(UARPin* Pin, XrSession InSession, XrSpace TrackingSpace, XrTime DisplayTime, float worldToMeterScale)
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{
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FRotator rotation;
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FVector translation;
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if (!LocateAnchor((XrSpace)Pin->GetNativeResource(), rotation, translation))
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return;
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Pin->OnTransformUpdated(FTransform(rotation, translation, FVector(1, 1, 1)));
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}
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bool FViveOpenXRAnchor::IsLocalPinSaveSupported() const
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{
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//UE_LOG(ViveOXRAnchor, Log, TEXT("IsLocalPinSaveSupported()=%d"), isARRequestedPersistedAnchorCollection && isAnchorPersistenceSupported);
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return isARRequestedPersistedAnchorCollection && isAnchorPersistenceSupported;
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}
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bool FViveOpenXRAnchor::ArePinsReadyToLoad()
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{
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// If AR session is not started, we don't need to check persisted anchor collection.
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if (!IsLocalPinSaveSupported()) return false;
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CheckPersistedAnchorCollectionAR();
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if (paCollectionAR == nullptr) {
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UE_LOG(ViveOXRAnchor, Log, TEXT("ArePinsReadyToLoad() = false"));
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return false;
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}
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return true;
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}
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void FViveOpenXRAnchor::LoadARPins(XrSession InSession, TFunction<UARPin* (FName)> OnCreatePin)
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{
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UE_LOG(ViveOXRAnchor, Log, TEXT("LoadARPins()"));
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if (!IsLocalPinSaveSupported()) return;
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CheckPersistedAnchorCollectionAR();
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if (paCollectionAR == nullptr) {
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() Anchor persistence is not exist. Check IsLocalPinSaveSupported first."));
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return;
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}
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XrResult ret = XR_SUCCESS;
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uint32_t count = 0;
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TArray<XrSpatialAnchorNameHTC> AnchorNames;
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// enumerate persisted anchors
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xrEnumeratePersistedAnchorNamesHTC(paCollectionAR, 0, &count, nullptr);
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if (count != 0) {
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AnchorNames.SetNum(count);
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xrEnumeratePersistedAnchorNamesHTC(paCollectionAR, count, &count, AnchorNames.GetData());
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}
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else
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{
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UE_LOG(ViveOXRAnchor, Log, TEXT("LoadARPins() No Anchor name found: %d."), count);
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}
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UE_LOG(ViveOXRAnchor, Log, TEXT("LoadARPins() EnumeratePersistedAnchorCount: %d."), count);
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int created = 0;
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TArray<XrFutureEXT> list;
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// Get all PersistedAnchor from CollectionHTC
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for (auto name : AnchorNames)
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{
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FString paName = ToFString(name);
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UE_LOG(ViveOXRAnchor, Log, TEXT("LoadARPins() EnumeratePersistedAnchorName: %s."), *paName);
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FString aName = paName;
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if (aName.EndsWith(TEXT("_PA")))
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{
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aName = aName.Replace(TEXT("_PA"), TEXT(""));
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}
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UE_LOG(LogTemp, Log, TEXT("LoadARPins() Make spatial anchor: %s from persisted anchor: %s"), *aName, *paName);
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XrSpatialAnchorFromPersistedAnchorCreateInfoHTC createInfo =
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MakeSpatialAnchorFromPersistedAnchorCreateInfo(paCollectionAR, paName, aName);
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XrFutureEXT future;
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ret = CreateSpatialAnchorFromPersistedAnchorAsync(&createInfo, &future);
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if (ret == XR_SUCCESS) {
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list.Add(future);
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}
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}
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while (!list.IsEmpty()) {
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TArray<XrFutureEXT> nextList;
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int N = list.Num();
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for (int i = 0; i < N; i++)
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{
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auto future = list[i];
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if (future == nullptr) continue;
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bool isReady = false;
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auto futureMod = FViveOpenXRFuture::Instance();
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if (futureMod == nullptr) return;
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ret = futureMod->PollFuture(future, isReady);
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if (XR_FAILED(ret))
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{
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UE_LOG(ViveOXRAnchor, Error, TEXT("LoadARPins() PollFuture failed with result %d."), ret);
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continue;
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}
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if (!isReady)
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{
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nextList.Add(future);
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continue;
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}
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XrSpatialAnchorFromPersistedAnchorCreateCompletionHTC completion = {
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.type = XR_TYPE_SPATIAL_ANCHOR_FROM_PERSISTED_ANCHOR_CREATE_COMPLETION_HTC,
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.next = nullptr,
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.futureResult = XR_SUCCESS,
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.anchor = 0
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};
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XrResult completeResult = CreateSpatialAnchorFromPersistedAnchorComplete(future, &completion);
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if (XR_FAILED(completeResult) || XR_FAILED(completion.futureResult))
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{
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UE_LOG(ViveOXRAnchor, Error, TEXT("Failed to create spatial anchor from persisted anchor: completeResult=%d futureResult=%d"), completeResult, completion.futureResult);
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}
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else
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{
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UE_LOG(ViveOXRAnchor, Log, TEXT("CreateSpatialAnchorFromPersistedAnchor is success. anchor=%p. Invoke OnCreatePin."), completion.anchor);
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auto anchor = completion.anchor;
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XrSpatialAnchorNameHTC anchorName;
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FString aName;
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if (GetSpatialAnchorName(anchor, &anchorName))
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aName = ToFString(anchorName);
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// Set user defined name to ARPin
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UARPin* pin = OnCreatePin(FName(aName));
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if (pin != nullptr) {
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pin->SetNativeResource(anchor);
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created++;
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}
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}
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}
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list = nextList;
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FPlatformProcess::Sleep(0);
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}
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UE_LOG(ViveOXRAnchor, Log, TEXT("LoadARPins() Created %d ARPin(s)."), created);
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}
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bool FViveOpenXRAnchor::SaveARPin(XrSession InSession, FName InName, UARPin* InPin)
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{
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UE_LOG(ViveOXRAnchor, Log, TEXT("SaveARPin()"));
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if (!IsLocalPinSaveSupported()) return false;
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CheckPersistedAnchorCollectionAR();
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if (paCollectionAR == nullptr) {
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() Anchor persistence is not exist. Check IsLocalPinSaveSupported first."));
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return false;
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}
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if (InPin == nullptr || InPin->GetNativeResource() == nullptr) {
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() Invalid ARPin."));
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return false;
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}
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FString aName = InName.ToString();
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FString paName;
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if (!aName.EndsWith(TEXT("_PA")))
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{
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paName = aName + TEXT("_PA");
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}
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UE_LOG(ViveOXRAnchor, Log, TEXT("SaveARPin() aName: %s"), *aName);
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UE_LOG(ViveOXRAnchor, Log, TEXT("SaveARPin() paName: %s"), *paName);
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// XXX We cannot create a unique anchor name and pass the created name to upper level system. Therefore its user's responsiblity to create unique name.
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// Create unique persisted anchor name
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// name = GenerateAnchorName(name);
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XrSpatialAnchorPersistInfoHTC info = {
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XR_TYPE_SPATIAL_ANCHOR_PERSIST_INFO_HTC,
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nullptr,
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(XrSpace)InPin->GetNativeResource(),
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FromFString(paName)
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};
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XrFutureEXT future;
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auto ret = PersistSpatialAnchorAsync(paCollectionAR, &info, &future);
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while (true) {
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bool isReady = false;
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auto futureMod = FViveOpenXRFuture::Instance();
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if (futureMod == nullptr) return false;
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ret = futureMod->PollFuture(future, isReady);
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if (XR_FAILED(ret))
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{
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() PersistSpatialAnchor failed when pollFuture with result %d."), ret);
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break;
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}
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else if (isReady)
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{
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XrFutureCompletionEXT completion;
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ret = PersistSpatialAnchorComplete(future, &completion);
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if (XR_FAILED(ret)) {
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() PersistSpatialAnchor failed when complete with result %d."), ret);
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return false;
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}
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if (XR_FAILED(completion.futureResult)) {
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() PersistSpatialAnchor failed with result %d."), completion.futureResult);
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return false;
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}
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UE_LOG(ViveOXRAnchor, Log, TEXT("SaveARPin() PersistSpatialAnchor success."));
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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 FViveOpenXRAnchor::RemoveSavedARPin(XrSession InSession, FName InName)
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{
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UE_LOG(ViveOXRAnchor, Log, TEXT("RemoveSavedARPin()"));
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if (!IsLocalPinSaveSupported()) return;
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CheckPersistedAnchorCollectionAR();
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if (paCollectionAR == nullptr) {
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// If supported, when ARSession started, it should be created. Developer Should check IsLocalPinSaveSupported first.
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UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() Anchor persistence is not exist. Check IsLocalPinSaveSupported first."));
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return;
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}
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// Add ARPin marker
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FString aName = InName.ToString();
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FString paName = aName;
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if (!paName.EndsWith(TEXT("_PA")))
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{
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paName += TEXT("_PA");
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}
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UE_LOG(ViveOXRAnchor, Log, TEXT("Remove : %s from Local"), *aName);
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UE_LOG(ViveOXRAnchor, Log, TEXT("Remove : %s from Collection"), *paName);
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XrSpatialAnchorNameHTC xrName = FromFString(paName);
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// Remove SpatialAnchor from collectionHTC
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auto ret = UnpersistSpatialAnchor(paCollectionAR, &xrName);
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if (ret != XR_SUCCESS) {
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UE_LOG(ViveOXRAnchor, Error, TEXT("RemoveSavedARPin() UnpersistSpatialAnchor failed with result %d."), ret);
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}
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UE_LOG(ViveOXRAnchor, Log, TEXT("Check collection removed"));
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uint32_t nameCount = 0;
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XrSpatialAnchorNameHTC* xrNames = new XrSpatialAnchorNameHTC[nameCount];
|
||
|
|
FMemory::Memset(xrNames, 0, sizeof(XrSpatialAnchorNameHTC) * nameCount);
|
||
|
|
XrResult result = EnumeratePersistedAnchorNames((XrPersistedAnchorCollectionHTC)paCollectionAR, nameCount, &nameCount, xrNames);
|
||
|
|
if (XR_FAILED(result))
|
||
|
|
{
|
||
|
|
UE_LOG(ViveOXRAnchor, Error, TEXT("Failed to enumerate persisted anchor names: %d"), result);
|
||
|
|
delete[] xrNames;
|
||
|
|
}
|
||
|
|
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("Find: %d in collection"), nameCount);
|
||
|
|
for (uint32_t i = 0; i < nameCount; i++)
|
||
|
|
{
|
||
|
|
FString anchorName = ToFString(xrNames[i]);
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("EnumeratePersistedAnchorNames: %s"), *anchorName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void FViveOpenXRAnchor::RemoveAllSavedARPins(XrSession InSession)
|
||
|
|
{
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("RemoveAllSavedARPins()"));
|
||
|
|
if (!IsLocalPinSaveSupported()) return;
|
||
|
|
|
||
|
|
CheckPersistedAnchorCollectionAR();
|
||
|
|
if (paCollectionAR == nullptr) {
|
||
|
|
// If supported, when ARSession started, it should be created. Developer Should check IsLocalPinSaveSupported first.
|
||
|
|
UE_LOG(ViveOXRAnchor, Error, TEXT("SaveARPin() Anchor persistence is not exist. Check IsLocalPinSaveSupported first."));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
auto ret = ClearPersistedAnchors(paCollectionAR);
|
||
|
|
if (ret != XR_SUCCESS) {
|
||
|
|
UE_LOG(ViveOXRAnchor, Error, TEXT("RemoveAllSavedARPins() ClearPersistedAnchors failed with result %d."), ret);
|
||
|
|
}
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("Collection :%p"), paCollectionAR);
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("Check collection all removed"));
|
||
|
|
|
||
|
|
// Check collection removed
|
||
|
|
uint32_t nameCount = 0;
|
||
|
|
XrSpatialAnchorNameHTC* xrNames = new XrSpatialAnchorNameHTC[nameCount];
|
||
|
|
FMemory::Memset(xrNames, 0, sizeof(XrSpatialAnchorNameHTC) * nameCount);
|
||
|
|
XrResult result = EnumeratePersistedAnchorNames((XrPersistedAnchorCollectionHTC)paCollectionAR, nameCount, &nameCount, xrNames);
|
||
|
|
if (XR_FAILED(result))
|
||
|
|
{
|
||
|
|
UE_LOG(ViveOXRAnchor, Error, TEXT("Failed to enumerate persisted anchor names: %d"), result);
|
||
|
|
delete[] xrNames;
|
||
|
|
}
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("Find: %d in collection"), nameCount);
|
||
|
|
for (uint32_t i = 0; i < nameCount; i++)
|
||
|
|
{
|
||
|
|
FString name = ToFString(xrNames[i]);
|
||
|
|
UE_LOG(ViveOXRAnchor, Log, TEXT("EnumeratePersistedAnchorNames: %s"), *name);
|
||
|
|
}
|
||
|
|
}
|