Skyrim Mod:Mod File Format/ACHR

ACHR records hold information about 'Actors'. This is a specific NPC at a specific location potentially at a specific time (triggered by scripts or otherwise) doing a specific thing at a specified static marker, additionally with optional data like reference types.

For all NPCs, it is the ACHR formID that you are using when you moveto player etc.

Record header flags:

0x200 - Starts Dead

0x400 - Persistent Reference (? not shown in the CK)

0x800 - Initially Disabled

0x2000000 - No AI Acquire

0x10000000 - Reflected By Auto Water

0x20000000 - Don't Havok Settle

C	SubRecord	Name	Type/Size	Info
-	EDID	Editor ID	zstring	Editor ID
-	VMAD	Scripting	VMAD	Scripting info
+	NAME	Base NPC	formid	Base NPC_
-	XEZN	encounterzone	formid	ECZN
XPRD, XPPA, INAM, and PDTO are all part of Patrol Data in ACHR records (appears in only 7 records in Skyrim.esm), see REFR for details.
-	XPRD	Patrol Idle	float
-	XPPA	unknown	0-length
-	INAM	unknown	formid
-	PDTO	Topic Data	struct	When Type is a 'Topic Ref' or 0 then 'Topic Subtype' is a FormID otherwise it's a 4 char string uint32 - Type 0 = Topic Ref 1 = Topic Subtype formid/4 Char String - Data/Subtype
-	XRGD	ragdoll?	struct	large struct, seems to be coords - sets of 3 or 6 floats followed by a uint32
-	XRGB	unknown	struct	12-byte struct, appears to be 3 floats
-	XLCM	leveled creature data	uint32	Level Modifier: 0 - Easy 1 - Medium 2 - Hard 3 - VeryHard
-	XAPD	activation parent flags	ubyte	0x01 - Parent Activate Only
-	XAPR	activate parent	struct	8-byte struct formid - REFR usually to a STAT float - Delay
*	XLRT	location ref type	formid	LCRT
-	XHOR	horseid	formid	incredibly rare
-	XESP	enable parent	struct	8-byte struct formid - Parent reference (Object to take enable state from) uint32 - Flags 0x0001 = Set Enable State to Opposite of Parent 0x0002 = Pop In
-	XOWN	owner	formid	usually FACT but horse/dog has NPC_
-	XLCN	location	formid	LCTN
-	XLKR	location route?	struct	8-byte struct formid 0 or KYWD (usually LinkCarryStart/End) formid REFR usually to a STAT (FURN also) 4 instances of 4 byte struct with just a formid in Skyrim.esm
-	XIS2			not found in .esms, zero length, present if "Ignored By Sandbox" is checked
-	XLRL		formid	LCTN, not found in .esms, added by CK 1.8 when edited
-	XSCL	scale	float	very rare
+	DATA	coords	struct	24 byte (rotation in radians) X - float Y - float Z - float rX - float rY - float rZ - float