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Added a method to load a VRM from memory (data array of uint8) asynchronously #358

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Added a method to load a VRM from memory (data array of uint8) asynchronously #358

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15 changes: 15 additions & 0 deletions Source/VRM4ULoader/Private/LoaderBPFunctionLibrary.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -558,6 +558,21 @@ bool ULoaderBPFunctionLibrary::LoadVRMFile(const UVrmAssetListObject *InVrmAsset
return LoadVRMFileLocal(InVrmAsset, OutVrmAsset, filepath);
}

void ULoaderBPFunctionLibrary::LoadVRMFromMemoryAsync(const UObject* WorldContextObject, const class UVrmAssetListObject* InVrmAsset, class UVrmAssetListObject*& OutVrmAsset, const TArray<uint8>& Data, const FImportOptionData& OptionForRuntimeLoad, struct FLatentActionInfo LatentInfo) {
VRMConverter::Options::Get().SetVrmOption(&OptionForRuntimeLoad);

if (UWorld* World = GEngine->GetWorldFromContextObject(WorldContextObject, EGetWorldErrorMode::LogAndReturnNull))
{
FLatentActionManager& LatentActionManager = World->GetLatentActionManager();
if (LatentActionManager.FindExistingAction<FVrmAsyncLoadAction>(LatentInfo.CallbackTarget, LatentInfo.UUID) == NULL)
{
FVrmAsyncLoadActionParam p = { InVrmAsset, OutVrmAsset, OptionForRuntimeLoad, FString("a.vrm"), Data.GetData(), (size_t)Data.Num()};
LatentActionManager.AddNewAction(LatentInfo.CallbackTarget, LatentInfo.UUID, new FVrmAsyncLoadAction(LatentInfo, p));
}
}
return;
}

void ULoaderBPFunctionLibrary::LoadVRMFileAsync(const UObject* WorldContextObject, const class UVrmAssetListObject* InVrmAsset, class UVrmAssetListObject*& OutVrmAsset, const FString filepath, const FImportOptionData& OptionForRuntimeLoad, struct FLatentActionInfo LatentInfo) {
VRMConverter::Options::Get().SetVrmOption(&OptionForRuntimeLoad);

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5 changes: 4 additions & 1 deletion Source/VRM4ULoader/Private/VrmAsyncLoadAction.cpp
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Expand Up @@ -199,6 +199,9 @@ void FVrmAsyncLoadAction::UpdateOperation(FLatentResponse& Response)


TFunction< void() > f = [&] {
if (param.dataSize > 0) {
return;
}
if (FFileHelper::LoadFileToArray(localAsset.vrmLocalRes, *param.filepath)) {
param.pData = localAsset.vrmLocalRes.GetData();
param.dataSize = localAsset.vrmLocalRes.Num();
Expand Down Expand Up @@ -228,7 +231,7 @@ void FVrmAsyncLoadAction::UpdateOperation(FLatentResponse& Response)
++SequenceCount;

localAsset.Importer = new Assimp::Importer();
localAsset.ScenePtr = localAsset.Importer->ReadFileFromMemory(localAsset.vrmLocalRes.GetData(), localAsset.vrmLocalRes.Num(),
localAsset.ScenePtr = localAsset.Importer->ReadFileFromMemory(param.pData, param.dataSize,
aiProcess_Triangulate | aiProcess_MakeLeftHanded | aiProcess_CalcTangentSpace | aiProcess_GenSmoothNormals | aiProcess_OptimizeMeshes,
"vrm");
return;
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5 changes: 4 additions & 1 deletion Source/VRM4ULoader/Public/LoaderBPFunctionLibrary.h
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Expand Up @@ -88,7 +88,10 @@ class VRM4ULOADER_API ULoaderBPFunctionLibrary : public UBlueprintFunctionLibrar

UFUNCTION(BlueprintCallable,Category="VRM4U", meta = (DynamicOutputParam = "OutVrmAsset"))
static bool LoadVRMFile(const class UVrmAssetListObject *InVrmAsset, class UVrmAssetListObject *&OutVrmAsset, const FString filepath, const FImportOptionData &OptionForRuntimeLoad);


UFUNCTION(BlueprintCallable, Category = "VRM4U", meta = (Latent, DynamicOutputParam = "OutVrmAsset", WorldContext = "WorldContextObject", LatentInfo = "LatentInfo"))
static void LoadVRMFromMemoryAsync(const UObject* WorldContextObject, const UVrmAssetListObject* InVrmAsset, UVrmAssetListObject*& OutVrmAsset, const TArray<uint8>& Data, const FImportOptionData& OptionForRuntimeLoad, FLatentActionInfo LatentInfo);

UFUNCTION(BlueprintCallable, Category = "VRM4U", meta = (Latent, DynamicOutputParam = "OutVrmAsset", WorldContext = "WorldContextObject", LatentInfo = "LatentInfo"))
static void LoadVRMFileAsync(const UObject* WorldContextObject, const class UVrmAssetListObject* InVrmAsset, class UVrmAssetListObject*& OutVrmAsset, const FString filepath, const FImportOptionData& OptionForRuntimeLoad, struct FLatentActionInfo LatentInfo);

Expand Down