Reading usdc (binary crate files)

• Read structural data (headers, sections, tokens, etc) - 4d5072c, see dump_usdc.rs example.
  • Support older file formats (== 0.1.0 and < 0.4.0)
  • Support chunked lz4 decompression (important for large binary files, need to find proper usd file).
• Read spec hierarchy - ae5088a
• Read basic types
  • Bool
  • Uchar
  • Int
  • Uint
  • Int64
  • Uint64
  • Half
  • Float
  • Double
  • String
  • Token
  • AssetPath
• Read complex types (arrays, compressed arrays, etc)
  • Bool array
  • Uchar array
  • Int array - 53e4349
  • Uint array - 53e4349
  • Int64 array
  • Uint64 array
  • Float array
  • Quat{d,f,h}
  • Quat{d,f,h} arrays
  • HVec{2,3,4}
  • HVec{2,3,4} arrays
  • FVec{2,3,4} - a0ff4d9
  • FVec{2,3,4} arrays - a0ff4d9
  • IVec{2,3,4} - a0ff4d9
  • IVec{2,3,4} arrays - a0ff4d9
  • DVec{2,3,4} - a0ff4d9
  • DVec{2,3,4} arrays - a0ff4d9
  • Matrix{2,3,4}d - a0ff4d9
  • Matrix{2,3,4}d inlined - a0ff4d9
  • Matrix{2,3,4}d arrays - a0ff4d9
  • Dictionary (custom data types)
  • Token arrays - 53e4349
  • #3
• ListOps
  • TokenListOp
  • StringListOp
  • PathListOp
  • ReferenceListOp
  • IntListOp
  • Int64ListOp
  • UIntListOp
  • UInt64ListOp
  • PayloadListOp - 6ea5378
• Read SDF types
  • PathVector
  • TokenVector
  • Specifier
  • Permission
  • Variability
  • VariantSelectionMap
  • TimeSamples
  • Payload - 6ea5378
  • DoubleVector
  • LayerOffsetVector - 6b854fd
  • StringVector - 6b854fd
  • ValueBlock
  • Value
  • UnregisteredValue
  • UnregisteredValueListOp
  • TimeCode
  • PathExpression

Reading usda

• Tokenizer
• Reader