Difference between revisions of "Modding Whiplash/Fatal Racing"

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** Bits 1-7: pair index, first texture on left, second on right
 
** Bits 1-7: pair index, first texture on left, second on right
 
*** <code>00000010</code> is first pair, <code>00000100</code> is second pair, etc
 
*** <code>00000010</code> is first pair, <code>00000100</code> is second pair, etc
 +
====Sign type====
 +
{| class="wikitable" style="text-align: center;"
 +
!Value!!Description
 +
|-
 +
|0||tall box
 +
|-
 +
|1||tall box, different texture
 +
|-
 +
|2||small, back upside down, on one leg
 +
|-
 +
|3||small, back upside down, on two legs
 +
|-
 +
|4||pair of tall flat rectangles space outwards only visible from center, different texture
 +
|-
 +
|5||giant tall folded boxes, different texture
 +
|-
 +
|6||giant tall box, different texture
 +
|-
 +
|7||WIDE short box
 +
|-
 +
|8||cube, different texture
 +
|-
 +
|9||flat square, always face camera
 +
|-
 +
|10||flat skinny rectangle, always face camera
 +
|-
 +
|11||flat small square, fixed, same back
 +
|-
 +
|12||fixed flat square, back upside down
 +
|-
 +
|13||4 tall skinny boxes
 +
|-
 +
|14||tall box with pyramid top, different texture
 +
|-
 +
|15||flat square, always face camera, same as 9?
 +
|-
 +
|16||fixed flat square, back upside down, same as 12?
 +
|-
 +
|>=256||no idea
 +
|}
 
====Values====
 
====Values====
 
* AI line
 
* AI line
Line 134: Line 174:
 
* Surface type
 
* Surface type
 
** 524703 590082 590082 appears to define a moving ramp or at least a surface the car can fly off of vertically
 
** 524703 590082 590082 appears to define a moving ramp or at least a surface the car can fly off of vertically
−
* Sign type?
 
−
** There are other values that apply signs or do other things
 
−
** -1: none
 
−
** 9: sign in center?
 
 
===Signs===
 
===Signs===
 
Empty on some tracks.
 
Empty on some tracks.
Line 148: Line 184:
 
||-1||-1
 
||-1||-1
 
|}
 
|}
 +
* Texture
 +
** Bit 0: unset is normal
 +
** Bits 1-7: index in BLD texture file
 +
** Bit 8: apply texture
 
===Stunts===
 
===Stunts===
 
Controls geometry that moves and potrudes. Empty on some tracks.
 
Controls geometry that moves and potrudes. Empty on some tracks.

Revision as of 02:55, 13 March 2024

TRK file structure

Definition

Geometry length
int		 0 0 int
Empty line
Empty line
Geometry
Signs
Empty line
Stunts
Empty line
Textures
Empty line
Race info
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 		AI line
int 		AI line
int 		AI line
int 		AI line
int 		Track grip
int
int 		Right shoulder? grip
int
int
int
int
int
int
Left surface type
int 		Center surface type
int 		Right surface type
int
int
int
int
int
int
int
int
int
int 		Sign type?
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
...

Surface type bit flags

Least significant bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Surface type Pit Transparent
Requires no texture		 Flip horizontally Apply texture Texture
  • Texture
    • Bit 0: some sort of offset?
      • For normal textures, left index+1 right index-3
      • For transparent, makes it darker?
    • Bits 1-7: pair index, first texture on left, second on right
      • 00000010 is first pair, 00000100 is second pair, etc

Sign type

Value Description
0 tall box
1 tall box, different texture
2 small, back upside down, on one leg
3 small, back upside down, on two legs
4 pair of tall flat rectangles space outwards only visible from center, different texture
5 giant tall folded boxes, different texture
6 giant tall box, different texture
7 WIDE short box
8 cube, different texture
9 flat square, always face camera
10 flat skinny rectangle, always face camera
11 flat small square, fixed, same back
12 fixed flat square, back upside down
13 4 tall skinny boxes
14 tall box with pyramid top, different texture
15 flat square, always face camera, same as 9?
16 fixed flat square, back upside down, same as 12?
>=256 no idea

Values

  • AI line
    • >0: left
    • 0: center
    • <0: right
  • 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

Signs

Empty on some tracks.

Signable geometry index?
int		 Texture
int
...
-1 -1
  • Texture
    • Bit 0: unset is normal
    • Bits 1-7: index in BLD texture file
    • Bit 8: apply texture

Stunts

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

Geometry index
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

Race info

Not present on some tracks.

Track number
int
Impossible laps
int		 Hard laps
int		 Tricky laps
int		 Medium laps
int		 Easy laps
int		 Girlie laps
int
Track map size, smaller is larger
float		 Track map fidelity, smaller is more accurate
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
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