Datasets:
Devilishcode
/
hacking

Dataset card Data Studio Files
xet
 Community
text
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1.99k
maxes out at 365k [24], so this process is relatively fast. Once these times
are sorted, and known ranks checked against their ordering in this list,
unknown, either by accident of the player or by intention, runs can be added
to the leaderboard [23].
The ability to automate previously impossible tasks also means the ability
to automate very boring tasks. After previous event leaderboards were
rounded out current active events could be monitored in realtime. This
enables a pretty comprehensive world record progression.
It's one thing to enable more comprehensive historical data collection and
another thing entirely to impact the active competitive scene. Lets go on a
brief tangent and discuss course files.
By late 2021 the course format was well known [25]. It's a packed binary
format in little endian. The file is also always the same size, as the
variable length lists for objects, ground tiles and other data is placed
within a fixed length null initialized area. These files are also
"encrypted" using a simple scheme: A sead::Random (a simple pseudo-random
number generator used by a number of Switch games) instance is initialized
using random bytes, which are then embedded in the course file, and then
used to initialize an AES-128 instance, whose initial vector is also
embedded in the course file, which is used to encrypt the file sent to the
client [26]. While this scheme does require a blob within the game in order
to perform AES this blob was easily found and dumped. As a result, every
course file from the servers is way larger than it needs to be. By
decrypting and then gzipping the course file it is possible to bring the
size from 0x5BFD bytes to 3 kilobytes, an eighth the size.
meta:
id: level
endian: le
seq:
- id: start_y
type: u1
doc: Starting Y position of level
- id: goal_y
type: u1
doc: Y position of goal
- id: goal_x
type: s2
doc: X position of goal
- id: timer
type: s2
doc: Starting timer
- id: clear_condition_magnitude
type: s2
doc: Clear condition magnitude
- id: year
type: s2
doc: Year made
- id: month
type: s1
doc: Month made
- id: day
type: s1
doc: Day made
- id: hour
type: s1
doc: Hour made
- id: minute
type: s1
doc: Minute made
- id: autoscroll_speed
type: u1
enum: autoscroll_speed
doc: Autoscroll speed
- id: clear_condition_category
type: u1
enum: clear_condition_category
doc: Clear condition category
- id: clear_condition
type: s4
enum: clear_condition
doc: Clear condition
- id: unk_gamever
type: s4
doc: Unknown gamever
- id: unk_management_flags
type: s4
doc: Unknown management_flags
- id: clear_attempts
type: s4
doc: Clear attempts
- id: clear_time
type: s4
doc: Clear time
- id: unk_creation_id
type: u4
doc: Unknown creation_id
- id: unk_upload_id
type: s8
doc: Unknown upload_id
- id: game_version
type: s4
enum: game_version
doc: Game version level was made in
- id: unk1
size: 0xBD
- id: gamestyle