Difference between revisions of "Mohawk archive format"
From A look inside The Link @ wiki
(→RSRC header) |
(→Type table) |
||
| Line 48: | Line 48: | ||
==Type table== | ==Type table== | ||
| + | It lists resource types in the Mohawk file. This table is always at the beginning of the Resource Dir. | ||
| + | |||
| + | Header: | ||
| + | {| border="0" align="center" style="border: 1px solid black;background-color:#ffa" | ||
| + | |align="right" style="color:#622"|unsigned short | ||
| + | |offset in Resource Dir of the Resource Name List (maybe this should go with the RSRC Header) | ||
| + | |- | ||
| + | |align="right" style="color:#622"|unsigned short | ||
| + | |number of resource types in this file | ||
| + | |} | ||
| + | |||
| + | Entry (one for each type): | ||
| + | {| border="0" align="center" style="border: 1px solid black;background-color:#ffa" | ||
| + | |align="right" style="color:#622"|4 bytes | ||
| + | |resource type (tWAV, tBMP, NAME etc.) | ||
| + | |- | ||
| + | |align="right" style="color:#622"|unsigned short | ||
| + | |offset in Resource Dir of the Resource Table for this type | ||
| + | |- | ||
| + | |align="right" style="color:#622"|unsigned short | ||
| + | |offset in Resource Dir of the Name Table for this type | ||
| + | |} | ||
==Name table== | ==Name table== | ||
Revision as of 14:40, 4 February 2008
Contents
General layout
Mohawk archives are organized in chunks, and this is the chunk layout:
- IFF chunk
- IFF header
- RSRC header
- Resource dir
- Type table
- Name tables (one for each resource type)
- Resource tables (one for each resource type)
- Resource name list
- File table
- Actual data (resource contents)
Note that the chunks may be found in a different order: never trust on them being at fixed locations, and use the offsets to reach them.
Every integer is in big-endian (Motorola) byte order.
IFF header
This is always at the beginning of the file.
| 4 bytes | chunk signature (MHWK), identifies Mohawk archive format |
| unsigned long | file size in bytes, not counting this IFF header (that is, file size - 8) |
RSRC header
I think this is actually the "Resource Dir header". Note that the Dir can be anywhere in file, but this header always follows the IFF Header.
| 4 bytes | chunk signature (RSRC) |
| unsigned long | should be length of RSRC chunk (never bothered to check) |
| unsigned long | total file size in bytes |
| unsigned long | absolute offset of the Resource Dir |
| unsigned short | offset in Resource Dir of the File Table |
| unsigned short | File Table size in bytes |
Type table
It lists resource types in the Mohawk file. This table is always at the beginning of the Resource Dir.
Header:
| unsigned short | offset in Resource Dir of the Resource Name List (maybe this should go with the RSRC Header) |
| unsigned short | number of resource types in this file |
Entry (one for each type):
| 4 bytes | resource type (tWAV, tBMP, NAME etc.) |
| unsigned short | offset in Resource Dir of the Resource Table for this type |
| unsigned short | offset in Resource Dir of the Name Table for this type |
