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Difference between revisions of "SCUMM/Technical Reference/Index File"
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SCUMM/Technical Reference/Index File (view source)
Revision as of 13:14, 16 April 2007
, 13:14, 16 April 2007Completed information for V6-8
(Completed information for V6-8) |
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= Conventions = | = Conventions = | ||
As usual, the [http://en.wikipedia.org/wiki/Endianness endianness (Wikipedia)] is important. Unless stated, little endianess (LE) is used. BE is used as abbreviation for big endianness. | As usual, the [http://en.wikipedia.org/wiki/Endianness endianness (Wikipedia)] is important. Unless stated, little endianess (LE) is used. | ||
BE is used as abbreviation for big endianness. | |||
A '''Chunk''' is a named part of the file, e.g. RNAM. Each chunk has a header that contains at least the chunk name and its size. The following chunks are available: | A '''Chunk''' is a named part of the file, e.g. RNAM. Each chunk has a header that contains at least the chunk name and its size. The following chunks are available: | ||
| Line 178: | Line 180: | ||
#Room No (1 byte) | #Room No (1 byte) | ||
#Room Name (9 bytes) XOR'ed with FF | #Room Name (9 bytes) XOR'ed with FF | ||
Blank (00) byte (1 byte) Marks end of chunk | Blank (00) byte (1 byte) Marks end of chunk | ||
| Line 197: | Line 199: | ||
== DROO - Directory of Rooms == | == DROO - Directory of Rooms == | ||
Block Name (4 bytes) | Block Name (4 bytes) | ||
Block Size (4 bytes BE) | Block Size (4 bytes BE) | ||
No of items (2 bytes) | No of items (2 bytes) | ||
*Room Number (1 byte) | |||
*Offset (4 bytes) | |||
The flow how to read in this kind of information has changed slightly from V3/4. | The flow how to read in this kind of information has changed slightly from V3/4. | ||
| Line 324: | Line 326: | ||
If stop=0 you dont seek past the 6 bytes of A,B,C you just start the loop again. | If stop=0 you dont seek past the 6 bytes of A,B,C you just start the loop again. | ||
= Scumm 7 = | = Scumm 7 = | ||
* Files aren't xor'ed | |||
== RNAM - Room names == | |||
* As in V6 ?!?!?! | |||
== MAXS == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
Variables (2 bytes) | |||
Bit Variables (2 bytes) | |||
Unknown (2 bytes) | |||
Global Objects (2 bytes) | |||
Local Objects (2 bytes) | |||
New Names (2 bytes) | |||
Verbs (2 bytes) | |||
Floating Objects (2 bytes) | |||
Inventory Objects (2 bytes) | |||
Arrays (2 bytes) | |||
Rooms (2 bytes) | |||
Scripts (2 bytes) | |||
Sounds (2 bytes) | |||
Character Sets (2 bytes) | |||
Costumes (2 bytes) | |||
== DROO,DSCR,DSOU,DCOS,DCHR,DOBJ,AARY == | |||
All as in V5 | |||
== ANAM - Animation Names == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (2 bytes | |||
#Name (8 bytes) | |||
#Blank (00) byte (1 byte) | |||
Blank (FF) byte (1 byte) Marks end of chunk | |||
= Scumm 8 = | = Scumm 8 = | ||
== RNAM - Room Names == | |||
As in V6 ? | |||
== MAXS == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
Variables (4 bytes) | |||
Bit Variables (4 bytes) | |||
Unknown (4 bytes) | |||
Scripts (4 bytes) | |||
Sounds (4 bytes) | |||
Character Sets (4 bytes) | |||
Costumes (4 bytes) | |||
Rooms (4 bytes) | |||
Unknown (4 bytes) | |||
Global Objects (4 bytes) | |||
Unknown (4 bytes) | |||
Local Objects (4 bytes) | |||
New Names (4 bytes) | |||
Floating Objects (4 bytes) | |||
Inventory Objects (4 bytes) | |||
Arrays (4 bytes) | |||
Verbs (4 bytes) | |||
== DROO - Directory of Rooms == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (4 bytes) | |||
*Room Number (1 byte) | |||
*Offset (2 bytes) | |||
== DRSC - Directory of Room Scripts == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (4 bytes) | |||
*Room Number (1 byte) | |||
*Offset (2 bytes) | |||
== DSCR - Directory of Scripts == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (4 bytes) | |||
*Room Number (1 byte) | |||
*Offset (2 bytes) | |||
== DSOU - Directory of Sound == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (4 bytes) | |||
*Room Number (1 byte) | |||
*Offset (2 bytes) | |||
== DCOS - Directory of Costumes == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (4 bytes) | |||
*Room Number (1 byte) | |||
*Offset (2 bytes) | |||
== DCHR - Directory of Charsets == | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
No of items (4 bytes) | |||
*Room Number (1 byte) | |||
*Offset (2 bytes) | |||
== DOBJ,AARY == | |||
As in V7 | |||
[[Category: SCUMM Technical Reference]] | [[Category: SCUMM Technical Reference]] | ||