最近老外开发了一个很不错的通用命令行解包器，以后制作解包器只要简单的写几句脚本就行了。
. H; S/ ]; S1 o现在老外还在不断完善之中，有兴趣的朋友来测试一下吧。
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well I have some good news. 4 z8 u* t& O8 t; @8 m+ E" o# K
yesterday and today I have worked on the script parser and the results are so good that my beta version already works. ! o) Y" m7 y1 B0 z% h; s9 c" Z: I/ F
2 H$ U5 j, q' q8 ` [0 z+ D& {0 WI have made it compatible with the BMS scripting language so people don't need to learn 1000 languages and then it's a good language.
4 H; k: A9 L( N6 k5 m7 iobviously the BMS support has been enhanced so it's possible to use XOR, rot13, zlib/deflate, lzo, lzss plus various new operator in the "math" command (and, or, xor, complement, not, shift and modulus) and some other things like choosing the desired endianness. ) F; I- g4 V% |; q
then the input BMS script no longer needs the semicolon ';' and the file number which are now optional. 7 U; D+ S! f5 c/ L3 R! g/ Z! {
2 v9 M j' g; z$ H2 H l- T$ o6 xnote that the BMS guide available on http://wiki.xentax.com/index.php/BMS doesn't report some additional fields which instead already exists like the GetCT, ComType and ReverseLong or some internals variables like EXTRCNT so I have tried to find and add also these ones.
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about the new commands, the following is an example of BMS script for the game Outcry (you can call it outcry.bms or outcry.txt or as you want): 5 L, o! Q) e% ~/ {
+ C; o6 p0 c. E8 s ~9 TCode: $ |% ]9 W5 Z! {5 H( K8 J8 j1 o6 h/ d
idstring SBPK # [8 j6 A- V' n' U, N0 L# w
get FILES long - Z: A C4 h3 T' K4 r! X- h5 s
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savepos NAMES_OFFSET 3 x& H, R: R) \4 ~6 |
for i = 1 to FILES
5 y) M( w+ s# @5 Hget FNAMESZ long 9 j* L1 p4 m6 `1 I: A2 h) I9 x
getdstring FNAME FNAMESZ
+ U6 O; q7 W- k4 n/ Bget OFFSET long : e! Z7 T0 ?, F" x
get SIZE long % ]- n2 g% s! J# J" b
next i 3 R2 S1 G, W$ F1 R ~
. P! S- k' [+ q( Ysavepos FILES_OFFSET
! ~6 }/ e3 m9 `3 k! J6 A* Tgoto NAMES_OFFSET 4 `7 o- _4 K6 M# ~! K
for i = 1 to FILES & k% s5 m8 |$ t( V$ g) N
get FNAMESZ long G8 M, p0 e4 |8 |3 @
getdstring FNAME FNAMESZ 7 {! ?/ \! g0 ~1 u0 D5 N
get OFFSET long
' J" K1 f, D8 L$ n: P. k6 Tget SIZE long
3 g" S+ g4 ?- O: i& k) Xmath OFFSET += FILES_OFFSET
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- C t |- g5 g" h3 ?6 Jfilexor 0xcc * d7 q! j6 G% _5 K1 j1 X
log FNAME OFFSET SIZE 0 0
- v/ D' L, l( S0 Yfilexor 0
9 N6 M. W" U7 U$ v( Vnext i ; A/ s2 W9 O* |! z, W+ _
as visible it's files are XORed with the byte 0xcc.
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% H0 S6 F/ `! L, ^; i2 G4 X' K q- nnow the link to the beta version:
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% Q7 _ u; b- [6 j6 Q3 T0 Whttp://aluigi.org/papers/quickbms.zip f, J; E7 E% t* B' V
* m1 g. g, S: I& Q. R. [0 Robviously it needs to be tested more because 2 days are not enough for a project like this which is not so basic so anyone is invited to test it and suggest new features. / d: j* U8 z/ v8 X
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P.S.: the usage is very simple and the following are some examples:
" H. k2 y& j. o0 Nlisting the files in the archive common.spk of outcry:
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quickbms -l outcry.bms c:\common.spk .
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extracting the files in c:\folder:
+ v% U3 n7 P+ aCode:
8 `( p+ c7 N! v+ [1 R! vquickbms outcry.bms c:\common.spk c:\folder ) E# N, u {* n
3 f2 k/ x c, l! Iextracing or listing only the dds files:
0 s5 c, n! n, m! {+ c7 ~; p! I$ vCode:
6 j* h( \/ j% O$ jquickbms -f "*.dds" outcry.bms c:\common.spk c:\folder
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if you know the size of the structure or where is located the particular value you are searching (for example some file formats have a 32bit number in the last 4 bytes which has the offset where are located the other file structures) you could use something like the following:
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* f2 y- Y* n! U6 RCode:get OFFSET asize
W" c4 T- ?0 T' kmath OFFSET -= 4
& D a( a" L7 I( { u7 `+ r0 vgoto OFFSET / W/ R& L- k- s1 D. M
get OFFSET long 4 ?2 F0 ?/ m3 b( s7 b
goto OFFSET
, Q7 Y7 o, W! u9 E! j' f7 m8 H1 u..."asize" is not available in the BMS guide but is supported by both multiex and my tool, it contains the total size of the file. " \# }- _, S2 E
anyway tell me a file format which has the file name table at the end, it's good to make various exercises for testing the BMS language and where is possible to enhance it.
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$ [) @, g& ` koh and about the "repacking" question, no it will be not supported
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*EDIT*: updated version to 0.1.1 and attached 3 examples of BMS files which show different operations or different types for doing the same thing (7x7m.bms and 7x7m_special.bms)
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2009.4.17 更新
: R0 C6 M* Q) D% O! b/ }老外发布了最新的0.1.2 版。 8 _! w3 Q" _7 J' ?* m
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2009.4.18 更新
4 U6 X1 ~& k4 U4 k& d7 r4 r老外发布了最新的0.1.2a 版。0 B. h. X5 U* A1 S3 w
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& b; s. p/ Y6 s' y2009.5.10 更新 5 E: S# t" T, @6 S2 G. F% Y
老外发布了最新的0.2.0 版。
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2009.5.10 更新
, X, c# b( y$ e6 f7 [6 g老外发布了最新的0.2.3a版。. X- R9 W1 \) p4 ?$ V
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说明：ND20在老版本打不开。 |
发表于 2009-4-17 11:19
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发表于 2009-5-10 11:38
