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| |Index remap table | | |Index remap table |
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| | [[Category:File formats]] |
Revision as of 06:54, 9 May 2023
Byaml is Nintendo EPD's binary take on Yet Another Markup Language. Version 4 through 7 are supported by Nintendo's library as of the 3d All Stars menu.
Version 4-7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x2
|
u16
|
Magic ("YB" in little-endian, "BY" in big-endian)
|
| 0x2
|
0x2
|
u16
|
Version (4-7)
|
| 0x4
|
0x4
|
u32
|
Key table offset (to ByamlContainer)
|
| 0x8
|
0x4
|
u32
|
String table offset (to ByamlContainer)
|
| 0xc
|
0x4
|
u32
|
Root container offset (to ByamlContainer)
|
Byaml Container
Version 4-7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x1
|
u8 (NodeDataType Enum)
|
Container data type
|
| 0x1
|
0x3
|
u24
|
Count of container elements
|
|
|
|
|
NodeDataType specific data
|
Node Data Types
u8 enum of data types that can appear. "Value" describes what the Value in a NodeDataType + Value pair means. These pairs are found in every container type.
Version 7
| Name(unofficial)
|
Value
|
Container "Value" Description
|
| HashArray
|
0x20-0x2f
|
Value is an absolute offset to a ByamlContainer of the Hash Array type
|
| HashArrayWithRemap
|
0x30-0x3f
|
Same as above but when accessing elements by index that index is remapped
|
| StringIndex
|
0xa0
|
Value is an index into the string table
|
| BinaryData
|
0xa1
|
Value is an absolute offset from the header to size of binary data followed by the binary data
|
| BinaryDataWithAlignment
|
0xa2
|
Same as above but pointing to the size of the binary data, followed by alignment, followed by binary data
|
| Array
|
0xc0
|
Value is an absolute offset to a ByamlContainer of the Array type
|
| Dictionary
|
0xc1
|
Value is an absolute offset to a ByamlContainer of the Dictionary type
|
| Key/StringTable
|
0xc2
|
(Only found in ByamlContainer pointed to by header)
|
| DictionaryWithRemap
|
0xc4
|
Value is an absolute offset to a ByamlContainer of the Dictionary with remap type
|
| RelocatedKey/StringTable
|
0xc5
|
(Only found in ByamlContainer pointed to by header)
|
| MonoTypedArray
|
0xc8
|
Value is an absolute offset to a ByamlContainer of the Array with remap type
|
| Bool
|
0xd0
|
Value is a bool
|
| S32
|
0xd1
|
Value is a signed 32-bit integer
|
| F32
|
0xd2
|
Value is a 32-bit floating point number
|
| U32
|
0xd3
|
Value is a unsigned 32-bit integer
|
| S64
|
0xd4
|
Value is an absolute offset to a signed 64-bit integer
|
| U64
|
0xd5
|
Value is an absolute offset to a unsigned 64-bit integer
|
| F64
|
0xd6
|
Value is an absolute offset to a 64-bit floating point number
|
| Null
|
0xff
|
Value is 0 (null)
|
Key/String Tables (0xc2, 0xc5)
Only pointed to by the header, these tables are responsible for storing strings. The key table is used for dictionary containers and is sorted, the string table is for string data.
Key/String Table (0xc2)
Version 4-7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0x4 * ByamlContainer count
|
u32
|
String offset array, offsets relative to string table header
|
|
|
|
string data
|
Array of strings
|
Relocated Key/String Table (0xc2) (TODO)
Version 7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hash Array (0x20-0x2f)
Recent container types first appearing (to writer's knowledge) in the code of the byaml library in the 3d All Stars menu. NodeDataType + Value pairs can be accessed through hash values and indices.
Hash Pair
Version 7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
(NodeDataType & 0xf) * 0x4
|
u32[N]
|
Hash
|
|
|
0x4
|
u32
|
Value
|
Hash Array (0x20-0x2f)
Version 7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0xN * ByamlContainer count
|
HashPair
|
Hash + value array sorted by hash
|
|
|
0x1 * ByamlContainer count
|
u8
|
NodeDataType for HashPair value
|
Hash Array With Remap (0x30-0x3f)
Version 7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0xN * ByamlContainer count
|
HashPair
|
Hash + value array sorted by hash
|
|
|
0x1 * ByamlContainer count
|
u8
|
NodeDataType for HashPair value
|
|
|
0x1 * ByamlContainer count (if count < 0x100),
0x2 * ByamlContainer count (if count < 0x10000),
0x4 * ByamlContainer count (else)
|
u8, u16, u32
|
Index remap table
|
Array (0xc0, 0xc8)
Container types where NodeDataType + Value pairs can be accessed through indices.
Array (0xc0)
Version 4-7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0x1 * ByamlContainer count
|
u8
|
NodeDataType array matching index of value
|
|
|
0x4 * ByamlContainer count
|
u32
|
Value array
|
Mono-Typed Array (0xc8)
Version 7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0x1
|
u8
|
NodeDataType for every array value
|
| 0x8
|
0x4 * ByamlContainer count
|
u32
|
Value array
|
Dictionary (0xc1, 0xc4)
Container types where NodeDataType + Value pairs can be accessed through a string key or indices.
Byaml Dictionary Pair
Version 4-7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x3
|
u24
|
Key table index
|
| 0x1
|
0x1
|
u8
|
Node Data Type
|
| 0x4
|
0x4
|
u32
|
Value
|
Dictionary (0xc1)
Version 4-7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0x8 * ByamlContainer count
|
ByamlDictionaryPair
|
Dictionary pair array sorted by key index
|
Dictionary With Remap (0xc4)
Version 7
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x4
|
ByamlContainer
|
|
| 0x4
|
0x8 * ByamlContainer count
|
ByamlDictionaryPair
|
Dictionary pair array sorted by key index
|
|
|
0x1 * ByamlContainer count (if count < 0x100),
0x2 * ByamlContainer count (if count < 0x10000),
0x4 * ByamlContainer count (else)
|
u8, u16, u32
|
Index remap table
|