PERK

Perk

Format

Count Subrecord Name Type Info
+ EDID Editor ID cstring  
  FULL Name cstring  
+ DESC Description cstring  
  ICON Large icon filename cstring  
  MICO Small icon filename cstring  
-* CTDA Condition struct  
+ DATA Data struct  
-*   Effect collection See below for details.

DATA (Data)

Name Type Info
Trait uint8 Enum - see below for values.
Min Level uint8  
Ranks uint8  
Playable uint8 Enum -see below for values.
Hidden uint8 Enum -see below for values.

Trait / Playable / Hidden Enum Values

Value Meaning
0 No
1 Yes

Effect Subrecord Collection

Count Subrecord Name Type Info
  PRKE Header struct  
+ DATA Effect Data struct or formid  
-*   Perk Conditions collection See below for details.
  EPFT Entry Point Function Type uint8 Decides the data type of the EPFD record.
  EPFD Entry Point Function Data uint8[] or float32 or formid or null  
  EPF2 Button Label cstring  
  EPF3 Script Flags uint16 See below for values.
    Embedded Script collection  
+ PRKF End Marker null Flag

PRKE

Name Type Info
Type uint8 Enum -see below for values.
Rank uint8  
Priority uint8  
Type Enum Values
Value Meaning
0 Quest + Stage
1 Ability
2 Entry Point

DATA (Effect Data)

There are three possible DATA formats, based on the value of the Type field in the preceding PRKE subrecord.

Quest + Stage
Name Type Info
Quest formid FormID of a QUST record.
Quest Stage int8  
Unused byte[3]  
Ability
Name Type Info
Ability formid FormID of a SPEL record.
Entry Point
Name Type Info
Entry Point uint8 Enum - see below for values.
Function uint8  
Perk Condition Tab Count uint8  
Entry Point Enum Values
Value Meaning
0 Calculate Weapon Damage
1 Calculate My Critical Hit Chance
2 Calculate My Critical Hit Damage
3 Calculate Weapon Attack AP Cost
4 Calculate Mine Explode Chance
5 Adjust Range Penalty
6 Adjust Limb Damage
7 Calculate Weapon Range
8 Calculate To Hit Chance
9 Adjust Experience Points
10 Adjust Gained Skill Points
11 Adjust Book Skill Points
12 Modify Recovered Health
13 Calculate Inventory AP Cost
14 Get Disposition
15 Get Should Attack
16 Get Should Assist
17 Calculate Buy Price
18 Get Bad Karma
19 Get Good Karma
20 Ignore Locked Terminal
21 Add Leveled List On Death
22 Get Max Carry Weight
23 Modify Addiction Chance
24 Modify Addiction Duration
25 Modify Positive Chem Duration
26 Adjust Drinking Radiation
27 Activate
28 Mysterious Stranger
29 Has Paralyzing Palm
30 Hacking Science Bonus
31 Ignore Running During Detection
32 Ignore Broken Lock
33 Has Concentrated Fire
34 Calculate Gun Spread
35 Player Kill AP Reward
36 Modify Enemy Critical Hit Chance

Perk Condition Subrecord Collection

Count Subrecord Name Type Info
  PRKC Run On int8  
+* CTDA Condition struct  

EPFD

The subrecord type is decided as described in the table below.

EPFT Value EPFD Type Info
0 uint8[]  
1 float32  
2 struct A struct consisting of two float32 values.
3 formid FormID of a LVLI record.
4 null  
5 struct A struct consisting of a uint32 actor value enum followed by a float32 value.

If the EPFT value is 2 and DATA’s Function field (when DATA is an entry point) is 5, the EPFD type is chosen as if the EPFT value were 5.

EPF3 Flag Values

Value Meaning
0x0001 Run Immediately