Cyberpunk 2077:Archive File Format
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File Structure
| Name | Type/Size | Info |
|---|---|---|
| Header | Header | See specification of Header below. |
Header
| Name | Type/Size | Info |
|---|---|---|
| fileId | char[4] | Constant: "RDAR" |
| version | uint32 | Currently 12 (0x0C) |
| indexOffset | uint64 | Offset of beginning of file list |
| indexSize | uint32 | Size of the file list |
| debugOffset | uint64 | Always 0 |
| debugSize | uint32 | Always 0 |
| fileSize | uint64 | Size of file (excluding fileSize) |
| customDataLength | uint32 | When > 0: WolvenKit only. See Extended Header |
Extended Header
| Name | Type/Size | Info |
|---|---|---|
| fileId | char[4] | Constant: "LXRS" |
| version | uint32 | Currently 1 (0x01) |
| size | int32 | Size of data |
| zSize | int32 | Size of compressed data |
| count | int32 | Number of entries in data |
| customData | buffer | Oodle compressed buffer of NullTerminated file paths |
File Index List
| Name | Type/Size | Info |
|---|---|---|
| fileTableOffset | uint32 | TODO |
| fileTableSize | uint32 | TODO |
| crc | uint64 | TODO |
| fileEntryCount | uint32 | TODO |
| fileSegmentCount | uint32 | TODO |
| resourceDependencyCount | uint32 | TODO |
| files | File Entry[fileEntryCount] | TODO |
| fileSegments | File Segment[fileSegmentCount] | TODO |
| resourceDependencies | uint64[resourceDependencyCount] | TODO |
File Entry
| Name | Type/Size | Info |
|---|---|---|
| nameHash | uint64 | FNV1A64 hash of the filename |
| timestamp | int64 | TODO |
| numInlineBufferSegments | uint32 | TODO |
| segmentStart | uint32 | TODO |
| segmentEnd | uint32 | TODO |
| resourceDependencyStart | uint32 | TODO |
| resourceDependencyEnd | uint32 | TODO |
| checksum | uint8[20] | SHA1 hash |
File Segment
| Name | Type/Size | Info |
|---|---|---|
| offset | uint64 | TODO |
| zSize | uint32 | Size of compressed data |
| size | uint32 | Size of data |
