REGN

Region

Format

Count Subrecord Name Type Info
  EDID Editor ID cstring  
  ICON Large icon filename cstring  
  MICO Small icon filename cstring  
+ RCLR Map Color rgba  
  WNAM Worldspace formid FormID of a WRLD record.
-*   Region Area collection See below for details.
-* Region Data Entry collection See below for details.  

Region Area Subrecord Collection

Count Subrecord Name Type Info
  RPLI Edge Fall-Off uint32  
- RPLD Region Point List Data struct  

RPLD

The RPLD subrecord consists of an array of objects with the following structure.

Name Type Info
X float32  
Y float32  

Region Data Entry Subrecord Collection

Count Subrecord Name Type Info
+ RDAT Data Header struct  
- RDOT Objects struct  
  RDMP Map Name cstring  
- RDGS Grasses struct  
  RDMD Music Type uint32 Enum - see below for values.
  RDMO Music formid FormID of a MUSC record.
- RDSD Sound struct  
- RDWT Weather Type struct  

RDAT

Name Type Info
Type uint32 Enum - see below for values.
Flags uint8 See below for values.
Unused byte[3]  
Type Values
Value Meaning
0 ??
1 ??
2 Objects
3 Weather
4 Map
5 Land
6 Grass
7 Sound
8 ??
9 ??
Flag Values
Value Meaning
0x01 Override

RDOT

The RDOT subrecord consists of an array of objects with the following structure.

Name Type Info
Object formid FormID of a TREE, STAT or LTEX record.
Parent Index uint16  
Unused byte[2]  
Density float32  
Clustering uint8  
Min Slope uint8  
Max Slope uint8  
Flags uint8 See below for values
Radius With Respect To Parent uint16  
Radius uint16  
Unknown byte[4]  
Max Height float32  
Sink float32  
Sink Variance float32  
Size Variance float32  
X Angle Variance uint16  
Y Angle Variance uint16  
Z Angle Variance uint16  
Unknown byte[6]  
Flag Values
Value Meaning
0x01 Conform To Slope
0x02 Paint Vertices
0x04 Size Variance +/-
0x08 X +/-
0x10 Y +/-
0x20 Z +/-
0x40 Tree
0x80 Huge Rock

RDGS

The RDGS subrecord consists of an array of objects with the following structure.

Name Type Info
Grass formid FormID of a GRAS record.
Unknown byte[4]  

RDMD Values

Value Meaning
0 Default
1 Public
2 Dungeon

RDSD

The RDSD subrecord consists of an array of objects with the following structure.

Name Type Info
Sound formid FormID of a SOUN record.
Flags uint32 See below for values.
Chance uint32  
Flag Values
Value Meaning
0x00000001 Pleasant
0x00000002 Cloudy
0x00000004 Rainy
0x00000008 Snowy

RDWT

The RDWT subrecord consists of an array of objects with the following structure.

Name Type Info
Weather formid FormID of a WTHR record.
Chance uint32  
Global formid FormID of a GLOB record, or null.