Mohawk archive format - Revision history

Clone2727: /* RSRC header */ fix the first four bytes of the RSRC header

2010-01-26T23:08:13Z

‎RSRC header: fix the first four bytes of the RSRC header

Di gama: TOC

2008-02-06T04:00:05Z

TOC

Di gama: TOC

2008-02-06T02:20:26Z

TOC

Di gama: /* File table */ correction

2008-02-05T23:30:53Z

‎File table: correction

BahamutZERO: /* File table */

2008-02-05T15:56:23Z

‎File table

Di gama: classed (this should work once the CSS is in place)

2008-02-04T21:18:27Z

classed (this should work once the CSS is in place)

TitoDalCanton: finalization

2008-02-04T13:54:40Z

finalization

TitoDalCanton: /* Resource name list */

2008-02-04T13:46:15Z

‎Resource name list

TitoDalCanton: /* Name table */

2008-02-04T13:44:55Z

‎Name table

TitoDalCanton: /* Type table */

2008-02-04T13:40:19Z

‎Type table

@@ Line 30: / Line 30: @@
 |4 bytes||chunk signature (RSRC)
 |-
-|unsigned long||should be length of RSRC chunk (never bothered to check)
+|unsigned short||version (always 0x100)
 |-
 |unsigned long||total file size in bytes

@@ Line 1: / Line 1: @@
 {{Riven}}
 ==General layout==
 Mohawk archives are organized in chunks, and this is the chunk layout:

← Older revision		Revision as of 02:20, 6 February 2008
Line 1:		Line 1:
		+	{{Riven}}
	==General layout==		==General layout==
	Mohawk archives are organized in chunks, and this is the chunk layout:		Mohawk archives are organized in chunks, and this is the chunk layout:

← Older revision		Revision as of 23:30, 5 February 2008
Line 112:		Line 112:
	\|}		\|}

−	It should be noted that the resource data size information is ~~quite often~~ incorrect ~~(at least~~ in Riven archives). One can compensate for this by computing file lengths using the resource offsets.	+	It should be noted that the resource data size information is incorrect for all [[Riven tMOV resources\|tMOV]]s in the Riven archives. One can compensate for this by computing file lengths using the resource offsets.

← Older revision		Revision as of 15:56, 5 February 2008
Line 111:		Line 111:
	\|unsigned short\|\|unknown (usually zero in Riven files)		\|unsigned short\|\|unknown (usually zero in Riven files)
	\|}		\|}
		+
		+	It should be noted that the resource data size information is quite often incorrect (at least in Riven archives). One can compensate for this by computing file lengths using the resource offsets.

@@ Line 17: / Line 17: @@
 ==IFF header==
 This is always at the beginning of the file.
-{| align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|4 bytes
+|4 bytes||chunk signature (MHWK), identifies Mohawk archive format
 |chunk signature (MHWK), identifies Mohawk archive format
 |-
-|align="right" style="color:#622"|unsigned long
+|unsigned long||file size in bytes, '''not''' counting this IFF header (that is, file size - 8)
 |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.
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|4 bytes
+|4 bytes||chunk signature (RSRC)
 |chunk signature (RSRC)
 |-
-|align="right" style="color:#622"|unsigned long
+|unsigned long||should be length of RSRC chunk (never bothered to check)
 |should be length of RSRC chunk (never bothered to check)
 |-
-|align="right" style="color:#622"|unsigned long
+|unsigned long||total file size in bytes
 |total file size in bytes
 |-
-|align="right" style="color:#622"|unsigned long
+|unsigned long||absolute offset of the Resource Dir
 |absolute offset of the Resource Dir
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||offset in Resource Dir of the File Table
 |offset in Resource Dir of the File Table
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||File Table size in bytes
 |File Table size in bytes
 |}
@@ Line 51: / Line 43: @@
 Header:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned short
+|unsigned short||offset in Resource Dir of the Resource Name List (maybe this should go with the RSRC Header)
 |offset in Resource Dir of the Resource Name List (maybe this should go with the RSRC Header)
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||number of resource types in this file
 |number of resource types in this file
 |}
 Entry (one for each type):
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|4 bytes
+|4 bytes||resource type (tWAV, tBMP, NAME etc.)
 |resource type (tWAV, tBMP, NAME etc.)
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||offset in Resource Dir of the Resource Table for this type
 |offset in Resource Dir of the Resource Table for this type
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||offset in Resource Dir of the Name Table for this type
 |offset in Resource Dir of the Name Table for this type
 |}
@@ Line 75: / Line 62: @@
 Header:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned short
+|unsigned short||number of name entries (can be zero)
 |number of name entries (can be zero)
 |}
 Entry:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned short
+|unsigned short||offset of the name string in Name List
 |offset of the name string in Name List
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||resource index (equal to the resource's index in File Table)
 |resource index (equal to the resource's index in File Table)
 |}
@@ Line 93: / Line 77: @@
 Header:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned short
+|unsigned short||number of resources for this type (number of table entries)
 |number of resources for this type (number of table entries)
 |}
 Entry:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned short
+|unsigned short||resource ID
 |resource ID
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||index in file table (starting from 1). Also used to find the matching name table entry
 |index in file table (starting from 1). Also used to find the matching name table entry
 |}
@@ Line 114: / Line 95: @@
 Header:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned long
+|unsigned long||number of file table entries
 |number of file table entries
 |}
 Entry:
-{| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
+{| class="structure"
-|align="right" style="color:#622"|unsigned long
+|unsigned long||absolute offset of resource data block
 |absolute offset of resource data block
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||resource data size, bits 15-0
 |resource data size, bits 15-0
 |-
-|align="right" style="color:#622"|byte
+|byte||resource data size, bits 23-16
 |resource data size, bits 23-16
 |-
-|align="right" style="color:#622"|byte
+|byte||resource flags (unknown)
 |resource flags (unknown)
 |-
-|align="right" style="color:#622"|unsigned short
+|unsigned short||unknown (usually zero in Riven files)
 |unknown (usually zero in Riven files)
 |}

@@ Line 90: / Line 90: @@
 ==Resource table==
 ==Resource name list==
@@ Line 95: / Line 111: @@
 ==File table==

← Older revision		Revision as of 13:46, 4 February 2008
Line 92:		Line 92:

	==Resource name list==		==Resource name list==
		+	This is a simple list of null-terminated strings (C strings), where each string is a resource name. Given a resource, you can get the offset to its name by looking in the name table entry for that resource.

	==File table==		==File table==

← Older revision		Revision as of 13:44, 4 February 2008
Line 72:		Line 72:

	==Name table==		==Name table==
		+	There is one name table for each resource type. Many types don't have resource names; usually only tBMP, tWAV and tMOV do. Each entry holds the name offset in the name list for a resource.
		+
		+	Header:
		+	{\| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
		+	\|align="right" style="color:#622"\|unsigned short
		+	\|number of name entries (can be zero)
		+	\|}
		+
		+	Entry:
		+	{\| border="0" align="center" style="border: 1px solid black;background-color:#ffa"
		+	\|align="right" style="color:#622"\|unsigned short
		+	\|offset of the name string in Name List
		+	\|-
		+	\|align="right" style="color:#622"\|unsigned short
		+	\|resource index (equal to the resource's index in File Table)
		+	\|}

	==Resource table==		==Resource table==

← Older revision		Revision as of 13:40, 4 February 2008
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==