Replay Header
RPHD (0x52504844)
0x00000000
header size (0x4C)
--
track name (8 bytes)
float
0x0000ffff
number of frames
int
int
int
local player first name (12
bytes, 4 0x00 padding)
local player last name (12
bytes, 4 0x00 padding)
0
1
1
Weekend Info
WKNF (0x574B4E46)
0x00000000
section size (0xB5)
track name (16 bytes)
car selection (16 bytes)
bits (0x20 padded)
Driver List
DRLS (0x44524C53)
0x00000000
section size (num drivers *
152)
--
DRNT's
Driver Entry
DRNT (0x44524E54)
0x00000000
section size (0x8B, 139
(1 0x20 padding at end))
first name (12 + 4 0x00 padding)
last name (12 + 4 0x00 padding)
int: 0/
int: nationality
string: home town + 0x00 padding
up to 32 bytes
string: team "AI" / "NOT APPLICABLE"
+ 0x00 padding up to 32 bytes
int: 1/3/4/
int: 4/3/0/
int: 3/3/3/
int: 0xFF7B1717/0xFFEBD700/0xFFD7DFE7
(helmet colour?)
int: 3/3/3/
int: 0/2/3/
int: car number
int: 0x96/0xFA/
byte 0/1/
byte 0/1/
byte 0/1/
byte 0x20 (padding)
Lap Table
LPTB (0x4C505442)
0x00000000
section size (can be zero)
--
LPRO's
Lap Records
LPRO (0x4C50524F)
0x00000000
section size
--
driver number (?)
--laps--
3 bytes - lap time (integer,
/1000 to get time in seconds)
1 byte - flags (0x40 = off
track; 0x10 = invalid; 0x80 = unknown; )
Replay Tape (?)
RPTP (0x52505450)
0x00000000
section size
--Frames--
2bytes frame sizeA (including
these 2 bytes)
2bytes frame sizeB (size of
prev/next frame?)
4bytes frame ID (int)
--Sections (in frames)--
2bytes section type
2bytes section length
section types
0x01: players car
section
--structure--
3bytes: long coordinate
1byte: gear etc.
4bytes: lat coordinate / altitude
2bytes: rpm
1byte: orientation
1byte: pitch
4bytes: steering & engine
noise & roll
4bytes: unk2
4bytes: unk3
4bytes: unk4
----------------
bottom 2 bits of gearetc. is
part of longcoordinate
gear is bits 111100 of gearetc.
-1
altitude is latcoordalt 0xfff00000
orientation&rpm bundled
together
rpm is bottom 10bits of rpm
0x02: unknown section
0x03: ai-cars (10
bytes per ai?)
0x04: not interesting
here
0x05:
0x06: not interesting
here
0x07:
0x08: not interesting
here
0x09: flaggers?
0x0a: not interesting
here
0x0b: not interesting
here
0x0c: not interesting
here
0x0d: time section
0x0e: frame info section
0x0f: not interesting
here
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