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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 13:32, 16 November 2021
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Jestar jokin (talk | contribs) (→Conventions: sort table by SCUMM version. remove question marks.) |
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= Introduction = | |||
= Introduction= | |||
Most of the information below are retrieved from the [http://scumm.mixnmojo.com/?page=specs&file=indexfiles.txt LucasHacks!] site and from the Pascal source code of the ''IndexFileReader 1.2'' (written by Ben Gorman (Bgbennyboy, http://quick.mixnmojo.com). In addition, ''ScummRevisited'' (written by Jimmi Thøgersen (Serge), http://www.mixnmojo.com/scumm/scummrev) turned out to be very useful in verifying the found offsets. | Most of the information below are retrieved from the [http://scumm.mixnmojo.com/?page=specs&file=indexfiles.txt LucasHacks!] site and from the Pascal source code of the ''IndexFileReader 1.2'' (written by Ben Gorman (Bgbennyboy, http://quick.mixnmojo.com). In addition, ''ScummRevisited'' (written by Jimmi Thøgersen (Serge), http://www.mixnmojo.com/scumm/scummrev) turned out to be very useful in verifying the found offsets. | ||
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{| border="1" cellspacing="0" cellpadding="4" | {| border="1" cellspacing="0" cellpadding="4" | ||
|RM Room Names | |RM Room Names | ||
|In V3/4 | |In V3/4 | ||
| Line 66: | Line 62: | ||
|In V3/4 | |In V3/4 | ||
|- | |- | ||
|RNAM Room Names | |||
|In V5+ | |In V5+ | ||
|- | |- | ||
| Line 95: | Line 92: | ||
|In V7 | |In V7 | ||
|- | |- | ||
|DRSC | |DRSC Directory of Room Scripts | ||
|In V8 | |In V8 | ||
|} | |} | ||
= | = SCUMM V0, V1 and V2 = | ||
The index file is 00.LFL. | |||
= SCUMM V3 and V4 = | |||
The index file is 000.LFL. | |||
* File's aren't xor'ed | * File's aren't xor'ed | ||
| Line 191: | Line 194: | ||
State = (Owner+state Byte) AND 0x0F | State = (Owner+state Byte) AND 0x0F | ||
= | = SCUMM V5 = | ||
* The files are xor'ed with 0x69 | * The files are xor'ed with 0x69 | ||
| Line 304: | Line 307: | ||
kObjectClassUntouchable = 32 | kObjectClassUntouchable = 32 | ||
= | = SCUMM V6 = | ||
* Files are xor'ed with 0x69 | * Files are xor'ed with 0x69 | ||
| Line 346: | Line 349: | ||
Block Name (4 bytes) | Block Name (4 bytes) | ||
Block Size (4 bytes BE) | Block Size (4 bytes BE) | ||
# | #num (2 bytes) Stops if 0x0000 | ||
# | #a (2 bytes) | ||
# | #b (2 bytes) | ||
# | #c (2 bytes) | ||
num= | read num | ||
if num != 0: | |||
read a, b, c | |||
if c == 1: | |||
defineArray(num, kBitArray, a, b) | |||
else: | |||
defineArray(num, kIntArray, a, b) | |||
If | If num is 0, that marks the end of the AARY block, and there are no "a", "b", or "c" parameters afterwards. | ||
= | = SCUMM V7 = | ||
* Files aren't xor'ed | * Files aren't xor'ed | ||
| Line 389: | Line 394: | ||
Costumes (2 bytes) | Costumes (2 bytes) | ||
== AARY == | |||
Mostly as in V6, except "Int" arrays are now "DWords". | |||
== DROO,DSCR,DSOU,DCOS,DCHR,DOBJ | == DROO,DSCR,DSOU,DCOS,DCHR,DOBJ == | ||
All as in | All as in V6 | ||
| Line 405: | Line 413: | ||
= | = SCUMM V8 = | ||
== RNAM - Room Names == | == RNAM - Room Names == | ||
| Line 489: | Line 497: | ||
== DOBJ | == AARY == | ||
Mostly as in V7. AARY only has "a" and "b" parameters. "b" determines the order of the parameters when creating the array. | |||
Block Name (4 bytes) | |||
Block Size (4 bytes BE) | |||
#num (4 bytes) Stops if 0x00000000 | |||
#a (4 bytes) | |||
#b (4 bytes) | |||
while num != 0: | |||
read a and b | |||
if b != 0: | |||
defineArray(num, kIntArray, b, a) | |||
else: | |||
defineArray(num, kIntArray, a, b) | |||
== DOBJ == | |||
As in V7 | As in V7. | ||
[[Category: SCUMM Technical Reference]] | [[Category: SCUMM Technical Reference]] | ||