Modding Whiplash/Fatal Racing

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Revision as of 21:34, 10 March 2024 by Aspirations (talk | contribs)
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TRK file structure

Definition

Geometry length
int
0 0 2048
Empty line
Empty line
Geometry
Tuples?
Empty line
Stunts
Empty line
Textures
Empty line
?
Empty line

Geometry

Track geometry.

Left shoulder width
int
Left lane width
int
Right lane width
int
Right shoulder width
int

int

int

int
Yaw rotation, clockwise (°)
float
Pitch rotation, upwards (°)
float
Roll rotation, clockwise (°)
float

int

int

int

int
Track grip
int

int
Banking grip
int

int

int

int

int

int
Surface type?
int
Surface type?
int
Surface type?
int

int

int

int

int

int

int

int

int

int

int

int

int

float

float

float

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int

int
Empty line
...
  • Grip
    • 0: full grip
    • 12: ice
  • Surface type?
    • 524703 590082 590082 appears to define a moving ramp or at least a surface the car can fly off of vertically

Tuples?

Empty on some tracks.

index?
int

int
...
-1 -1

Stunts

Controls geometry that moves and potrudes. Empty on some tracks.

Geometry index (reversed from file order)
int
Scale factor?
int
Angle?
int
?
int
Timing group
int
Height
int
Time bulging
int
Time flat
int
Smaller expands/larger contracts?
int
Bulge?
int
...
-1
  • Scale factor?
    • Increases the length and height of the "ramp"
    • 1 is a bump, 4 starts breaking textures, 6 is huge vertical wall
  • Angle?
    • Lower is flatter, higher becomes trapezoid with longer top
  •  ?
    • No clue
  • Timing group
    • With otherwise identical config, two bumps with same number move together, with 1 and 2 move oppositely

Textures

Texture file
TEX:<DRH file>
Building texture file
BLD:<DRH file>
BACKS:

int

int
...
-1

?

Not present on some tracks.


int

int

int

int

int

int

int

float

int

float

Effects

Bonus 7

  • Swapping yaw and pitch: loop
  • Swapping yaw and roll: twisting line
  • Swapping yaw and pitch, roll 90.00000: vertical ring to the left
  • Negative yaw: turnright