Skyrim Mod:Save File Format/ACHR Changeform

ACHR change form

The ACHR change form contains information about actor instances, including but not limited to their:

• Position
• Inventory
• Skill levels
• Perks (Todo: check if accurate)
• Spells (Todo: check if accurate)
• Shouts (Todo: check if accurate)

Change form flags

ACHR change form flags

Bit	Value	Constant Name	Pretty Name (In code)
1	0x00000002	CHANGE_REFR_MOVE	Moved
2	0x00000004	CHANGE_REFR_HAVOK_MOVE	Havok Moved
3	0x00000008	CHANGE_REFR_CELL_CHANGED	Cell Changed
4	0x00000010	CHANGE_REFR_SCALE	Scale
5	0x00000020	CHANGE_REFR_INVENTORY	Inventory
6	0x00000040	CHANGE_REFR_EXTRA_OWNERSHIP	Ownership Extra
7	0x00000080	CHANGE_REFR_BASEOBJECT	BaseObject
10	0x00000400	CHANGE_ACTOR_LIFESTATE	Life State
11	0x00000800	CHANGE_ACTOR_EXTRA_PACKAGE_DATA	Package Data Extra
12	0x00001000	CHANGE_ACTOR_EXTRA_MERCHANT_CONTAINER	Merchant Container
17	0x00020000	CHANGE_ACTOR_EXTRA_DISMEMBERED_LIMBS	Dismembered Limbs
18	0x00040000	CHANGE_ACTOR_LEVELED_ACTOR	Leveled Actor
19	0x00080000	CHANGE_ACTOR_DISPOSITION_MODIFIERS	Disp Modifiers
20	0x00100000	CHANGE_ACTOR_TEMP_MODIFIERS	Temp Modifiers
21	0x00200000	CHANGE_ACTOR_DAMAGE_MODIFIERS	Damage Modifiers
22	0x00400000	CHANGE_ACTOR_OVERRIDE_MODIFIERS	Override Modifiers
23	0x00800000	CHANGE_ACTOR_PERMANENT_MODIFIERS	Permanent Modifiers
25	0x02000000	CHANGE_REFR_PROMOTED	Promoted
26	0x04000000	CHANGE_REFR_EXTRA_ACTIVATING_CHILDREN	Activating Children
27	0x08000000	CHANGE_REFR_LEVELED_INVENTORY	Leveled Inventory
28	0x10000000	CHANGE_REFR_ANIMATION	Animation
29	0x20000000	CHANGE_REFR_EXTRA_ENCOUNTER_ZONE	Enc Zone Extra
30	0x40000000	CHANGE_REFR_EXTRA_CREATED_ONLY	Created Only Extra
31	0x80000000	CHANGE_REFR_EXTRA_GAME_ONLY	Game Only Extra

Structure

The ACHR change form is much the same format as the REFR change form with a few differences.

Name	Data	Present if flag set
Initial data	Initial type	see Initial type
Havok data	vsval count uint8[count]	CHANGE_REFR_HAVOK_MOVE
Unknown integer	uint32
Unknown data	uint8[4]
Flags	Change form flags	CHANGE_FORM_FLAGS
Base object (TODO: check if this is correct for ACHR)	refId	CHANGE_REFR_BASEOBJECT
scale	float	CHANGE_REFR_SCALE
Extra data	Extra data	if one or more of these is set: CHANGE_REFR_EXTRA_OWNERSHIP CHANGE_REFR_PROMOTED CHANGE_ACTOR_EXTRA_PACKAGE_DATA CHANGE_ACTOR_EXTRA_MERCHANT_CONTAINER CHANGE_ACTOR_EXTRA_DISMEMBERED_LIMBS CHANGE_REFR_EXTRA_ACTIVATING_CHILDREN CHANGE_REFR_EXTRA_ENCOUNTER_ZONE CHANGE_REFR_EXTRA_CREATED_ONLY CHANGE_REFR_EXTRA_GAME_ONLY CHANGE_ACTOR_LEVELED_ACTOR
Inventory	Inventory	CHANGE_REFR_INVENTORY or CHANGE_REFR_LEVELED_INVENTORY
Animation	vsval count uint8[count]	CHANGE_REFR_ANIMATION
TODO: Parse rest of ACHR form

Inventory

Name	Type	Description
count	vsval
items	Inventory item[count]

Inventory item

Name	Type	Description
item	refId
item count	sint32	eg. player have 1000 gold, then this is 1000.
extra count	vsval
extra datas	Extra data[extra count]