Changelog

All notable changes to this package will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[1.0.0-pre.1] - 2023-12-11

Changed

• Updated unityRelease.
• Final round of documentation fixes.

[0.5.6] - 2023-12-08

Added

• Api docs landing page.

Changed

• Changed message printed in example script.
• Further code signing update to all Windows DLLs.

[0.5.5] - 2023-12-07

Added

• New top level docs page

Changed

• Updated all Windows DLLs with their code signed equivalents.

[0.5.4] - 2023-11-09

Added

• UsdTransform2d shader sample to support uv transforms in UsdPreviewSurface.
• Add sourceColorSpace token to UsdUVTexture sample.

[0.5.3] - 2023-10-20

Added

• Support for MetersPerUnit scene metadata.
• Third Party Notices file.
• .buginfo file for ownership tracking.

[0.5.2] - 2023-07-21

Added

• Serialization API support for arbitrary PrimVars

Fixed

• Standardized code formatting
• Serialization API support for exported skeletal animation having the wrong Prim types
• Serialization API support for bug where typeless Prims are created when exporting child objects
• Serialization API support for streaming of animated mesh properties
• Updated AppCollector YAML file to reflect latest info.
• Fixed export for Prefabs that aren't instantiated in a Unity scene.
• Fixed default Primvar interpolation mode.
• Fixed a bug where importing materials exported from USD version >= 21.11 would fail.
• Fixed a bug causing an ApplicationException "all sample times in times and baseTime must either all be numeric or all be default" to be thrown when refreshing a PointInstancer.

[0.5.1] - 2023-06-28

Added

• Gf gamma, homogenous and math function bindings

Fixed

• Exported Prims not having a type
• Export for objects with same name.
• Fixed a bug causing an ApplicationException "all sample times in times and baseTime must either all be numeric or all be default" to be thrown when refreshing a PointInstancer.

[0.5.0] - 2023-03-21

Added

• Alembic file format support
• TfCallContext, TfDiagnosticBase, TfDiagnosticMgr, TfEnum, TfError, TfStatus and TfWarning bindings
• SdfVariantSpec, SdfVariantSetSpec and SdfFileFormat bindings
• UsdLux and UsdVol tokens
• SdfLayer/Handle typemaps for conversion/interop
• UsdGeomXformCommonAPI bindings
• UsdStage/WeakPtr typemaps for conversion/interop
• SdfAttributeSpecHandle.New overload to allow optional use of SdfVariability
• Implicit operator to convert SdfPath <-> string

Changed

• Replace DiagnosticHandler with DiagnosticDelegate that correctly handles managed exceptions thrown from unmanaged code
• C# interface now matches the underlying USD modularisation
• VtValueTo... converters now use out parameters
• Replace C# runtime constants with compiler constants
• Replace various SWIG type wrapper classes with out parameters and standard containers
• Convert SdfPath.GetEmptyPath to emptyPath property
• Convert SdfLayer/Handle.Get/SetIdentifier to identifier property
• Convert SdfPropertySpec/Handle.Get/SetDefaultValue to default property

Removed

• Js module in favour of .NET API's for JSON serialization
• Ignore various functions with SWIG type wrapper classes in signature

Fixed

• Object.GetHashCode returning hash of object's reference instead of object when hashable
• C# inheritance not reflecting C++ inheritance structure

[0.4.0] - 2023-02-13

Added

• GfVec3d reverse binding
• GfDualQuath and GfQuath bindings
• GfFindClosestPoints for GfLine, GfLineSeg and GfRay
• GfMatrix4f rotation matrix and translation vector constructor
• GfMatrix4f RemoveScaleShear and GetArray methods
• JsWriter bindings
• VtArray equality operators
• UsdPrimTypeInfo bindings
• UsdStageCache.Id typemaps

Changed

• Renamed UsdCs plugin on MacOS to libUsdCs.bundle
• Updated SWIG to 4.1.1
• UsdCollectionAPI now uses std_set
• UsdClipsAPI.GetInterpolateMissingClipValues and UsdGeomXformCache.ComputeRelativeTransform now use out arguments instead of pointers

[0.3.0] - 2023-01-30

Changed

• Updated USD to v23.02

[0.2.0] - 2023-01-24

Added

• UsdZipFile functionality

[0.1.0] - 2023-01-18

This is the first release of Unity Package com.unity.usd.core.

Initial release of Universal Scene Description C++ libraries, the corresponding C# bindings and associated scaffold