INP Stands for Inochi2D Puppet, and is a binary container format to contain Inochi2D model, texture and extra data.
INP is subject to change as we get closer to the 1.0 release.
Note
.. container:: ada-block
Inochi2D stores values in Big Endian format, please make sure you handle this correctly!
You can find out more about endianness here.
| Length (bytes) | Contents | Notes |
|---|---|---|
| 8 | TRNSRTS\0 |
Magic bytes which tag the file as an INP file. (Trans Rights!) |
| 4 | JSON Payload Length | Length of JSON Payload |
| Payload Length | JSON Data | The Inochi2D model and rigging data |
| 8 | TEX_SECT |
Texture Section Header |
| 4 | Texture Count | Amount of textures in the texture section |
| Till Texture Blob End | Texture Blob | Contains a texture and tag denoting what type the texture is. |
| 8 | EXT_SECT |
OPTIONAL: Header for extended vendor data section |
| 4 | Payload Count | IF EXT_SECT EXISTS Amount of payloads that are in this section |
| Till EXT Section End | EXT Section Blob | IF EXT_SECT EXISTS The section blob of this EXT section. |
Every texture entry in the Texture Blob have the following encoding
| Length (bytes) | Contents | Notes |
|---|---|---|
| 4 | Texture Payload Length | Length of the Texture Payload |
| 1 | Texture Encoding | A byte defining what texture encoding is in use. See Texture Encoding section. |
| Payload Length | Texture Data | Encoding of data depends on previous type |
| Length (bytes) | Contents | Notes |
|---|---|---|
| 4 | Name Length | Length of EXT Payload name |
| Name Length | Name | The name of the EXT payload |
| 4 | Payload Length | Length of the EXT payload |
| Payload Length | Payload | Contents of payload, encoding is up to the individual developer. |
There's 3 currently officially supported formats in Inochi2D, which are the following:
| ID | Format |
|---|---|
| 0 | PNG - Portable Network Graphics (Lossless) |
| 1 | TGA - Truevision TGA (Lossless) |
| 2 | BC7 - BPTC Texture Compression (Lossy) |
profiles