XeNTaX

Code: Select all

================
OPPC File Format
================
Version: 0.1.0
Author: Santos
================

------
HEADER
------

CHAR[4] 	signature (OBPK)
UINT8		flag? (0)
UINT32		major version? (10)
UINT32		minor version? (0)
UINT32		num files
UINT32		? (8-53)
UINT32		header size (337)
UINT32		index size
UINT32		data size (uncompressed)
UINT32		? (0)
UINT32		? (0)
UINT32		? (10000)
UINT32		? (50000)
DATA[288]	?

-----
INDEX
-----

// Unknowns

UINT32		num unknowns
FOR (num unknowns) DO
	UINT32	count
	FOR (count) DO
		UINT32 ?
UINT32		num strings


// Strings

FOR (num strings) DO
	STRING	string
UINT32		num types

// Types

FOR (num types) DO
	DATA[8]		type id
	UINT32		num entries

// Entries

FOR (num types) DO
	FOR (type -> num entries) DO
		STRING		name
		STRING  	dir
		UINT32  	size
		FLOAT		? (-1,0,n)
		UINT32  	size
		UINT32  	? (0)
		UINT32  	? (0)
		UINT8		enum (4, 7, 8, 9)
		DATA[enum] 	?
// Padding

DATA[N}		padding (00 up to index size)

----
DATA
----

UINT32		uncompressed data size
DATA[N]		compressed data (to end of file)

Code: Select all

endian little

## Header

idstring "OBPK"
getdstring UNKNOWN 14
get NSTRUCTPOINTER long # >= 30
get DATAPOINTER long    # next 4096 block - NSTRUCTPOINTER
print "NSTRUCTPOINTER %NSTRUCTPOINTER%, DATAPOINTER %DATAPOINTER%"

## EStruct ( count may be zero)

get ESTRUCTCOUNT long

for i = 0 < ESTRUCTCOUNT
  getdstring UNKNOWN 8
  get NAMELEN long
  getdstring NAME NAMELEN
  print "%i%: %NAME% (%NAMELEN%)"
next i

## NStruct
# goto NSTRUCTPOINTER
print "***  Nstruct ***"
get NSTRUCTCOUNT long
print "NSTRUCTCOUNT= %NSTRUCTCOUNT%"
for i = 0 < NSTRUCTCOUNT
  getdstring UNKNOWN 8
  get NAMELEN long
  getdstring NAME NAMELEN
  print "%i%: %NAME% (%NAMELEN%)"
next i

print "***  Nstruct 2 ***"
get unk_offs long
get NSTRUCTCOUNT2 long
print "NSTRUCTCOUNT2= %NSTRUCTCOUNT2%"
for i = 0 < NSTRUCTCOUNT2
  getdstring UNKNOWN 8
  get NAMELEN long
  getdstring NAME NAMELEN
  print "%i%: %NAME% (%NAMELEN%)"
next i


## ZLib data chunks

savepos LASTPOS
math DATASTART = DATAPOINTER
math DATASTART += NSTRUCTPOINTER
goto DATASTART
print "DATASTART: %DATASTART%"

get SIZE long
savepos POS
get ZSIZE asize
math ZSIZE -= POS
print "cpr size: %ZSIZE% size %size%"

# the oppc files should be small enough to make this ok
clog MEMORY_FILE POS ZSIZE SIZE

Log "bunchOfFiles.bin" 0 size MEMORY_FILE ;