void FSpriteEditorViewportClient::UpdateSourceTextureSpriteFromSprite(UPaperSprite* SourceSprite)
{
UPaperSprite* TargetSprite = SourceTextureViewComponent->GetSprite();
check(TargetSprite);
if (SourceSprite != nullptr)
{
if ((SourceSprite->GetSourceTexture() != TargetSprite->GetSourceTexture()) || (TargetSprite->PixelsPerUnrealUnit != SourceSprite->PixelsPerUnrealUnit))
{
FComponentReregisterContext ReregisterSprite(SourceTextureViewComponent);
FSpriteAssetInitParameters SpriteReinitParams;
SpriteReinitParams.SetTextureAndFill(SourceSprite->SourceTexture);
SpriteReinitParams.DefaultMaterialOverride = SourceSprite->DefaultMaterial;
SpriteReinitParams.AlternateMaterialOverride = SourceSprite->AlternateMaterial;
SpriteReinitParams.SetPixelsPerUnrealUnit(SourceSprite->PixelsPerUnrealUnit);
TargetSprite->InitializeSprite(SpriteReinitParams);
RequestFocusOnSelection(/*bInstant=*/ true);
}
// Position the sprite for the mode its meant to be in
FVector2D CurrentPivotPosition;
ESpritePivotMode::Type CurrentPivotMode = TargetSprite->GetPivotMode(/*out*/CurrentPivotPosition);
FVector Translation(1.0f * PaperAxisZ);
if (IsInSourceRegionEditMode())
{
if (CurrentPivotMode != ESpritePivotMode::Bottom_Left)
{
TargetSprite->SetPivotMode(ESpritePivotMode::Bottom_Left, FVector2D::ZeroVector);
TargetSprite->PostEditChange();
}
SourceTextureViewComponent->SetSpriteColor(FLinearColor::White);
SourceTextureViewComponent->SetWorldTransform(FTransform(Translation));
}
else
{
const FVector2D PivotPosition = SourceSprite->GetPivotPosition();
if (CurrentPivotMode != ESpritePivotMode::Custom || CurrentPivotPosition != PivotPosition)
{
TargetSprite->SetPivotMode(ESpritePivotMode::Custom, PivotPosition);
TargetSprite->PostEditChange();
}
// Tint the source texture darker to help distinguish the two
SourceTextureViewComponent->SetSpriteColor(SpriteEditingConstants::SourceTextureDarkTintColor);
const bool bRotated = SourceSprite->IsRotatedInSourceImage();
if (bRotated)
{
FQuat Rotation(PaperAxisZ, FMath::DegreesToRadians(90.0f));
SourceTextureViewComponent->SetWorldTransform(FTransform(Rotation, Translation));
}
else
{
SourceTextureViewComponent->SetWorldTransform(FTransform(Translation));
}
}
}
else
{
// No source sprite, so don't draw the target either
TargetSprite->SourceTexture = nullptr;
}
}
bool FPaperJsonSpriteSheetImporter::PerformImport(const FString& LongPackagePath, EObjectFlags Flags, UPaperSpriteSheet* SpriteSheet)
{
FAssetToolsModule& AssetToolsModule = FModuleManager::GetModuleChecked<FAssetToolsModule>("AssetTools");
GWarn->BeginSlowTask(NSLOCTEXT("Paper2D", "PaperJsonImporterFactory_ImportingSprites", "Importing Sprite Frame"), true, true);
for (int32 FrameIndex = 0; FrameIndex < Frames.Num(); ++FrameIndex)
{
GWarn->StatusUpdate(FrameIndex, Frames.Num(), NSLOCTEXT("Paper2D", "PaperJsonImporterFactory_ImportingSprites", "Importing Sprite Frames"));
// Check for user canceling the import
if (GWarn->ReceivedUserCancel())
{
break;
}
const FSpriteFrame& Frame = Frames[FrameIndex];
// Create a package for the frame
const FString TargetSubPath = LongPackagePath + TEXT("/Frames");
UObject* OuterForFrame = nullptr; // @TODO: Use this if we don't want them to be individual assets - Flipbook;
// Create a frame in the package
UPaperSprite* TargetSprite = nullptr;
if (bIsReimporting)
{
TargetSprite = FindExistingSprite(Frame.FrameName.ToString());
}
if (TargetSprite == nullptr)
{
const FString SanitizedFrameName = ObjectTools::SanitizeObjectName(Frame.FrameName.ToString());
const FString TentativePackagePath = PackageTools::SanitizePackageName(TargetSubPath + TEXT("/") + SanitizedFrameName);
FString DefaultSuffix;
FString AssetName;
FString PackageName;
AssetToolsModule.Get().CreateUniqueAssetName(TentativePackagePath, DefaultSuffix, /*out*/ PackageName, /*out*/ AssetName);
// Create a unique package name and asset name for the frame
if (OuterForFrame == nullptr)
{
// Create a package for the frame
OuterForFrame = CreatePackage(nullptr, *PackageName);
}
// Create the asset
TargetSprite = NewObject<UPaperSprite>(OuterForFrame, *AssetName, Flags);
FAssetRegistryModule::AssetCreated(TargetSprite);
}
TargetSprite->Modify();
FSpriteAssetInitParameters SpriteInitParams;
SpriteInitParams.Texture = ImageTexture;
if (NormalMapTexture != nullptr)
{
// Put the normal map into the additional textures array and ask for a lit material instead of unlit
SpriteInitParams.AdditionalTextures.Add(NormalMapTexture);
}
SpriteInitParams.Offset = Frame.SpritePosInSheet;
SpriteInitParams.Dimension = Frame.SpriteSizeInSheet;
GetDefault<UPaperImporterSettings>()->ApplySettingsForSpriteInit(/*inout*/ SpriteInitParams, (NormalMapTexture != nullptr) ? ESpriteInitMaterialLightingMode::ForceLit : ESpriteInitMaterialLightingMode::Automatic);
TargetSprite->InitializeSprite(SpriteInitParams);
if (Frame.bRotated)
{
TargetSprite->SetRotated(true);
}
if (Frame.bTrimmed)
{
TargetSprite->SetTrim(Frame.bTrimmed, Frame.SpriteSourcePos, Frame.ImageSourceSize);
}
// Set up pivot on object based on Texture Packer json
ESpritePivotMode::Type PivotType = GetBestPivotType(Frame.Pivot);
FVector2D TextureSpacePivotPoint = FVector2D::ZeroVector;
if (PivotType == ESpritePivotMode::Custom)
{
TextureSpacePivotPoint.X = Frame.SpritePosInSheet.X - Frame.SpriteSourcePos.X + Frame.ImageSourceSize.X * Frame.Pivot.X;
TextureSpacePivotPoint.Y = Frame.SpritePosInSheet.Y - Frame.SpriteSourcePos.Y + Frame.ImageSourceSize.Y * Frame.Pivot.Y;
}
TargetSprite->SetPivotMode(PivotType, TextureSpacePivotPoint);
// Create the entry in the animation
SpriteSheet->SpriteNames.Add(Frame.FrameName.ToString());
SpriteSheet->Sprites.Add(TargetSprite);
TargetSprite->PostEditChange();
}
SpriteSheet->TextureName = ImageName;
SpriteSheet->Texture = ImageTexture;
SpriteSheet->NormalMapTextureName = ComputedNormalMapName;
SpriteSheet->NormalMapTexture = NormalMapTexture;
GWarn->EndSlowTask();
return true;
}
UObject* USpriterImporterFactory::FactoryCreateText(UClass* InClass, UObject* InParent, FName InName, EObjectFlags Flags, UObject* Context, const TCHAR* Type, const TCHAR*& Buffer, const TCHAR* BufferEnd, FFeedbackContext* Warn)
{
Flags |= RF_Transactional;
FEditorDelegates::OnAssetPreImport.Broadcast(this, InClass, InParent, InName, Type);
FAssetToolsModule& AssetToolsModule = FModuleManager::GetModuleChecked<FAssetToolsModule>("AssetTools");
bool bLoadedSuccessfully = true;
const FString CurrentFilename = UFactory::GetCurrentFilename();
FString CurrentSourcePath;
FString FilenameNoExtension;
FString UnusedExtension;
FPaths::Split(CurrentFilename, CurrentSourcePath, FilenameNoExtension, UnusedExtension);
const FString LongPackagePath = FPackageName::GetLongPackagePath(InParent->GetOutermost()->GetPathName());
const FString NameForErrors(InName.ToString());
const FString FileContent(BufferEnd - Buffer, Buffer);
TSharedPtr<FJsonObject> DescriptorObject = ParseJSON(FileContent, NameForErrors);
UPaperSpriterImportData* Result = nullptr;
// Parse the file
FSpriterSCON DataModel;
if (DescriptorObject.IsValid())
{
DataModel.ParseFromJSON(DescriptorObject, NameForErrors, /*bSilent=*/ false, /*bPreParseOnly=*/ false);
}
// Create the new 'hub' asset and convert the data model over
if (DataModel.IsValid())
{
const bool bSilent = false;
Result = NewObject<UPaperSpriterImportData>(InParent, InName, Flags);
Result->Modify();
//@TODO: Do some things here maybe?
Result->ImportedData = DataModel;
// Import the assets in the folders
for (const FSpriterFolder& Folder : DataModel.Folders)
{
for (const FSpriterFile& File : Folder.Files)
{
const FString RelativeFilename = File.Name.Replace(TEXT("\\"), TEXT("/"), ESearchCase::CaseSensitive);
const FString SourceSpriterFilePath = FPaths::Combine(*CurrentSourcePath, *RelativeFilename);
FString RelativeDestPath;
FString JustFilename;
FString JustExtension;
FPaths::Split(RelativeFilename, /*out*/ RelativeDestPath, /*out*/ JustFilename, /*out*/ JustExtension);
if (File.FileType == ESpriterFileType::Sprite)
{
const FString TargetTexturePath = LongPackagePath / TEXT("Textures") / RelativeDestPath;
const FString TargetSpritePath = LongPackagePath / TEXT("Sprites") / RelativeDestPath;
// Import the texture
UTexture2D* ImportedTexture = ImportTexture(SourceSpriterFilePath, TargetTexturePath);
if (ImportTexture == nullptr)
{
SPRITER_IMPORT_ERROR(TEXT("Failed to import texture '%s' while importing '%s'"), *SourceSpriterFilePath, *CurrentFilename);
}
// Create a sprite from it
UPaperSprite* ImportedSprite = CastChecked<UPaperSprite>(CreateNewAsset(UPaperSprite::StaticClass(), TargetSpritePath, JustFilename, Flags));
const ESpritePivotMode::Type PivotMode = ConvertNormalizedPivotPointToPivotMode(File.PivotX, File.PivotY);
const double PivotInPixelsX = File.Width * File.PivotX;
const double PivotInPixelsY = File.Height * File.PivotY;
ImportedSprite->SetPivotMode(PivotMode, FVector2D((float)PivotInPixelsX, (float)PivotInPixelsY));
FSpriteAssetInitParameters SpriteInitParams;
SpriteInitParams.SetTextureAndFill(ImportedTexture);
GetDefault<UPaperImporterSettings>()->ApplySettingsForSpriteInit(SpriteInitParams);
SpriteInitParams.SetPixelsPerUnrealUnit(1.0f);
ImportedSprite->InitializeSprite(SpriteInitParams);
}
else if (File.FileType == ESpriterFileType::Sound)
{
// Import the sound
const FString TargetAssetPath = LongPackagePath / RelativeDestPath;
UObject* ImportedSound = ImportAsset(SourceSpriterFilePath, TargetAssetPath);
}
else if (File.FileType != ESpriterFileType::INVALID)
{
ensureMsgf(false, TEXT("Importer was not updated when a new entry was added to ESpriterFileType"));
}
// TMap<FString, class UTexture2D*> ImportedTextures;
// TMap<FString, class UPaperSprite> ImportedSprites;
}
}
for (const FSpriterEntity& Entity : DataModel.Entities)
{
// Extract the common/shared skeleton
FBoneHierarchyBuilder HierarchyBuilder;
HierarchyBuilder.ProcessHierarchy(Entity);
// Create the skeletal mesh
const FString TargetMeshName = Entity.Name + TEXT("_SkelMesh");
const FString TargetMeshPath = LongPackagePath;
USkeletalMesh* SkeletalMesh = CastChecked<USkeletalMesh>(CreateNewAsset(USkeletalMesh::StaticClass(), TargetMeshPath, TargetMeshName, Flags));
// Create the skeleton
const FString TargetSkeletonName = Entity.Name + TEXT("_Skeleton");
const FString TargetSkeletonPath = LongPackagePath;
USkeleton* EntitySkeleton = CastChecked<USkeleton>(CreateNewAsset(USkeleton::StaticClass(), TargetSkeletonPath, TargetSkeletonName, Flags));
// Initialize the mesh asset
FSkeletalMeshResource* ImportedResource = SkeletalMesh->GetImportedResource();
check(ImportedResource->LODModels.Num() == 0);
ImportedResource->LODModels.Empty();
FStaticLODModel& LODModel = *new (ImportedResource->LODModels) FStaticLODModel();
SkeletalMesh->LODInfo.Empty();
SkeletalMesh->LODInfo.AddZeroed();
SkeletalMesh->LODInfo[0].LODHysteresis = 0.02f;
FSkeletalMeshOptimizationSettings Settings;
// set default reduction settings values
SkeletalMesh->LODInfo[0].ReductionSettings = Settings;
// Create initial bounding box based on expanded version of reference pose for meshes without physics assets. Can be overridden by artist.
// FBox BoundingBox(SkelMeshImportDataPtr->Points.GetData(), SkelMeshImportDataPtr->Points.Num());
// FBox Temp = BoundingBox;
// FVector MidMesh = 0.5f*(Temp.Min + Temp.Max);
// BoundingBox.Min = Temp.Min + 1.0f*(Temp.Min - MidMesh);
// BoundingBox.Max = Temp.Max + 1.0f*(Temp.Max - MidMesh);
// // Tuck up the bottom as this rarely extends lower than a reference pose's (e.g. having its feet on the floor).
// // Maya has Y in the vertical, other packages have Z.
// //BEN const int32 CoordToTuck = bAssumeMayaCoordinates ? 1 : 2;
// //BEN BoundingBox.Min[CoordToTuck] = Temp.Min[CoordToTuck] + 0.1f*(Temp.Min[CoordToTuck] - MidMesh[CoordToTuck]);
// BoundingBox.Min[2] = Temp.Min[2] + 0.1f*(Temp.Min[2] - MidMesh[2]);
// SkeletalMesh->Bounds = FBoxSphereBounds(BoundingBox);
// Store whether or not this mesh has vertex colors
// SkeletalMesh->bHasVertexColors = SkelMeshImportDataPtr->bHasVertexColors;
// Pass the number of texture coordinate sets to the LODModel. Ensure there is at least one UV coord
LODModel.NumTexCoords = 1;// FMath::Max<uint32>(1, SkelMeshImportDataPtr->NumTexCoords);
// Create the reference skeleton and update LOD0
FReferenceSkeleton& RefSkeleton = SkeletalMesh->RefSkeleton;
HierarchyBuilder.CopyToRefSkeleton(RefSkeleton);
SkeletalMesh->CalculateRequiredBones(LODModel, RefSkeleton, /*BonesToRemove=*/ nullptr);
SkeletalMesh->CalculateInvRefMatrices();
// Initialize the skeleton asset
EntitySkeleton->MergeAllBonesToBoneTree(SkeletalMesh);
// Point the mesh and skeleton at each other
SkeletalMesh->Skeleton = EntitySkeleton;
EntitySkeleton->SetPreviewMesh(SkeletalMesh);
// Create the animations
for (const FSpriterAnimation& Animation : Entity.Animations)
{
//@TODO: That thing I said...
const FString TargetAnimationName = Animation.Name;
const FString TargetAnimationPath = LongPackagePath / TEXT("Animations");
UAnimSequence* AnimationAsset = CastChecked<UAnimSequence>(CreateNewAsset(UAnimSequence::StaticClass(), TargetAnimationPath, TargetAnimationName, Flags));
AnimationAsset->SetSkeleton(EntitySkeleton);
// if you have one pose(thus 0.f duration), it still contains animation, so we'll need to consider that as MINIMUM_ANIMATION_LENGTH time length
const float DurationInSeconds = Animation.LengthInMS * 0.001f;
AnimationAsset->SequenceLength = FMath::Max<float>(DurationInSeconds, MINIMUM_ANIMATION_LENGTH);
const bool bSourceDataExists = (AnimationAsset->SourceRawAnimationData.Num() > 0);
TArray<struct FRawAnimSequenceTrack>& RawAnimationData = bSourceDataExists ? AnimationAsset->SourceRawAnimationData : AnimationAsset->RawAnimationData;
int32 TotalNumKeys = 0;
for (const FSpriterTimeline& Timeline : Animation.Timelines)
{
if (Timeline.ObjectType != ESpriterObjectType::Bone)
{
continue;
}
const FName BoneName = Entity.Objects[Timeline.ObjectIndex].ObjectName;
const int32 RefBoneIndex = EntitySkeleton->GetReferenceSkeleton().FindBoneIndex(BoneName);
check(RefBoneIndex != INDEX_NONE);
FRawAnimSequenceTrack RawTrack;
RawTrack.PosKeys.Empty();
RawTrack.RotKeys.Empty();
RawTrack.ScaleKeys.Empty();
int32 NumKeysForTrack = 0;
//@TODO: Quick and dirty resampling code that needs to be replaced (totally ignores curve type, edge cases, etc...)
const float ResampleFPS = 30.0f;
int32 DesiredNumKeys = FMath::CeilToInt(ResampleFPS * DurationInSeconds);
const float TimePerKey = 1.0f / ResampleFPS;
float CurrentSampleTime = 0.0f;
for (int32 FrameIndex = 0; FrameIndex < DesiredNumKeys; ++FrameIndex)
{
int32 LowerKeyIndex = 0;
for (; LowerKeyIndex < Timeline.Keys.Num(); ++LowerKeyIndex)
{
if (Timeline.Keys[LowerKeyIndex].TimeInMS * 0.001f > CurrentSampleTime)
{
--LowerKeyIndex;
break;
}
}
if (LowerKeyIndex >= Timeline.Keys.Num())
{
LowerKeyIndex = Timeline.Keys.Num() - 1;
}
int32 UpperKeyIndex = LowerKeyIndex + 1;
float UpperKeyTime = 0.0f;
if (UpperKeyIndex >= Timeline.Keys.Num())
{
UpperKeyTime = DurationInSeconds;
if (Animation.bIsLooping)
{
UpperKeyIndex = 0;
}
else
{
UpperKeyIndex = Timeline.Keys.Num() - 1;
}
}
else
{
UpperKeyTime = Timeline.Keys[UpperKeyIndex].TimeInMS * 0.001f;
}
const FSpriterFatTimelineKey& TimelineKey0 = Timeline.Keys[LowerKeyIndex];
const FSpriterFatTimelineKey& TimelineKey1 = Timeline.Keys[UpperKeyIndex];
const float LowerKeyTime = TimelineKey0.TimeInMS * 0.001f;
const FTransform LocalTransform0 = TimelineKey0.Info.ConvertToTransform();
const FTransform LocalTransform1 = TimelineKey1.Info.ConvertToTransform();
FTransform LocalTransform = LocalTransform0;
if (LowerKeyIndex != UpperKeyIndex)
{
const float Alpha = (CurrentSampleTime - LowerKeyTime) / (UpperKeyTime - LowerKeyTime);
LocalTransform.Blend(LocalTransform0, LocalTransform1, Alpha);
}
RawTrack.ScaleKeys.Add(LocalTransform.GetScale3D());
RawTrack.PosKeys.Add(LocalTransform.GetTranslation());
RawTrack.RotKeys.Add(LocalTransform.GetRotation());
++NumKeysForTrack;
CurrentSampleTime += TimePerKey;
}
//
// for (const FSpriterFatTimelineKey& TimelineKey : Timeline.Keys)
// {
// //@TODO: Ignoring TimeInMS
// const FTransform LocalTransform = TimelineKey.Info.ConvertToTransform();
//
// RawTrack.ScaleKeys.Add(LocalTransform.GetScale3D());
// RawTrack.PosKeys.Add(LocalTransform.GetTranslation());
// RawTrack.RotKeys.Add(LocalTransform.GetRotation());
//
// ++NumKeysForTrack;
// }
//
RawAnimationData.Add(RawTrack);
AnimationAsset->AnimationTrackNames.Add(BoneName);
// add mapping to skeleton bone track
AnimationAsset->TrackToSkeletonMapTable.Add(FTrackToSkeletonMap(RefBoneIndex));
TotalNumKeys = FMath::Max(TotalNumKeys, NumKeysForTrack);
}
AnimationAsset->NumFrames = TotalNumKeys;
AnimationAsset->MarkRawDataAsModified();
// compress animation
{
GWarn->BeginSlowTask(LOCTEXT("BeginCompressAnimation", "Compress Animation"), true);
GWarn->StatusForceUpdate(1, 1, LOCTEXT("CompressAnimation", "Compressing Animation"));
// if source data exists, you should bake it to Raw to apply
if (bSourceDataExists)
{
AnimationAsset->BakeTrackCurvesToRawAnimation();
}
else
{
// otherwise just compress
AnimationAsset->PostProcessSequence();
}
// run debug mode
GWarn->EndSlowTask();
}
// NewAnimation = FFbxImporter->ImportAnimations(Skeleton, Outer, SortedLinks, AnimName, TemplateImportData, FBXMeshNodeArray);
//
// if (NewAnimation)
// {
// // since to know full path, reimport will need to do same
// UFbxAnimSequenceImportData* ImportData = UFbxAnimSequenceImportData::GetImportDataForAnimSequence(NewAnimation, TemplateImportData);
// ImportData->SourceFilePath = FReimportManager::SanitizeImportFilename(UFactory::CurrentFilename, NewAnimation);
// ImportData->SourceFileTimestamp = IFileManager::Get().GetTimeStamp(*UFactory::CurrentFilename).ToString();
// }
}
}
Result->PostEditChange();
}
else
{
// Failed to parse the JSON
bLoadedSuccessfully = false;
}
if (Result != nullptr)
{
//@TODO: Need to do this
// Store the current file path and timestamp for re-import purposes
// UAssetImportData* ImportData = UTileMapAssetImportData::GetImportDataForTileMap(Result);
// ImportData->SourceFilePath = FReimportManager::SanitizeImportFilename(CurrentFilename, Result);
// ImportData->SourceFileTimestamp = IFileManager::Get().GetTimeStamp(*CurrentFilename).ToString();
}
FEditorDelegates::OnAssetPostImport.Broadcast(this, Result);
return Result;
}