Mod:Save Game Offset List

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This following article contains offset lists for the character data in SAVETREE.DAT and explanations of the format of this file.

Overall File Format

It took me a while to figure out the overall format since the structure I first assumed was wrong, leading me down the wrong track. The way I currently understand it makes more sense and describes the entire file from beginning to end. The SAVETREE.DAT file is made of a number of blocks in the following format.

Begin Block

[4 bytes] = Block Type

[Integer] = Block Size from current position, in bytes

[ Block Information] = Depends on Block Type

End Block

This structure is repeated until a block of size 0 is encountered. Following this is 81 bytes at the end of the file which has not been identified yet. The total size of each block is the Block Size read + 4 (due to the block type). The following is a list of the various block types found in a number of files (bytes appear as they found in file, in hexadecimal). As it turns out the size of the block actually determines the main type, with the block type bytes specifying some other data (such as sub-type). The sizes of the blocks along with their possible types are listed below. Block size is does not include the 4 bytes of block type.

Size		Possible Description
3Eh	(62)	?
ACh	(172)	?
B4h	(180)	Spell
330h	(816)	Item
354h	(852)	Monster/Character Data
4F2h	(1266)	Contains mostly a bunch of 01's, Only one/file?

The block type bytes may be different for various block sizes.

Block Type				Possible Description
00	00	00	00
00	00	00	08
00	00	00	14
00	00	00	20
00	00	00	30
00	00	00	31
00	00	00	32
00	00	00	4D
00	00	00	84
00	00	00	89
00	00	00	96
00	00	00	FE
00	00	00	FF
00	01	00	00	Occurs only for first field in file
68	01	3F	96

There is currently nothing known about these bytes, save the one for character data.

Character Data Offsets

What follows is a list of offsets for the character data. It also works partially for mobs but not perfectly, indicating some difference between the two. These came from a variety of sources. Initially someone (Ken, jerry_fletcher@hotmail.com) emailed me some Battlespire modules for UGE, some sort of universal game editor. This gave me the basis for most of the attribute and skill offsets, but didn't describe the format very accurately. From hacking the game by creating classes with various attributes and looking at the savegame I was able to determine the other offsets in time.

The 'Normal' attribute and skills are the values when no spell or item modifies are in place. For example a characters natural Stealth is 45%. He/she puts on a pair of boots which modifies Stealth by +10%. Now their stealth is at 55% while their normal stealth value remains at 45%.

The 'Count' attribute is related to skill advancement. For instance, each time the character jumps this count is incremented. When it reaches a certain level the jumping skill increases and the count is reset.

The 'Offset' is the distance from the start of the character field, including the 4 bytes of block type characters.

The 'Field Size/Type' gives the size of the field. Long Integers are defined as 4 bytes while Integers are 2.

Offset	Field Name	Field Size/Type		Offset	Field Name	Field Size/Type
69	Name	32 Characters?		431	Normal Critical Strike	Long Integer
101	Strength	Long Integer		447	Class Name	22 Characters
105	Intelligence	Long Integer		471	Resistance	Character
109	Willpower	Long Integer			00001=Magic
113	Agility	Long Integer			00010=Frost
117	Endurance	Long Integer			00100=Fire
121	Personality	Long Integer			01000=Shock
125	Speed	Long Integer			10000=Poison
129	Luck	Long Integer		484	Immunity	Character
133	Normal Strength	Long Integer			00001=Magic
137	Normal Intelligence	Long Integer			00010=Frost
141	Normal Willpower	Long Integer			00100=Fire
145	Normal Agility	Long Integer			01000=Shock
149	Normal Endurance	Long Integer			10000=Poison
153	Normal Personality	Long Integer		473	Acute Hearing	Character
157	Normal Speed	Long Integer			00=No
161	Normal Luck	Long Integer			01=Yes
165	Current SP	Integer		474	Spell Absorption	Character
167	Max SP	Integer			00=No
169	Normal Max SP	Integer			01=Yes
171	Current Wounds	Long Integer		475	Rapid Healing	Character
175	Max Wounds	Long Integer			00=No
179	Normal Max Wounds	Long Integer			01=Yes
183	???Medical	Long Integer		476	Regenerate Health	Character
187	???Medical Count	Long Integer			00=No
191	Normal ???Medical	Long Integer			01=Yes
195	Jumping	Long Integer		477	Regenerate SP	Character
199	Jumping Count	Long Integer			00=No
203	Normal Jumping	Long Integer			01=Yes
207	???Lockpicking	Long Integer		478	Atheleticism	Character
211	???Lockpicking Count	Long Integer			00=No
215	Normal ???Lockpicking	Long Integer			01=Yes
219	Stealth	Long Integer		480	Spell Point Mult	Character
223	Stealth Count	Long Integer		483	Adrenaline Rush	Character
227	Normal Stealth	Long Integer			00=No
231	Swimming	Long Integer			01=Yes
235	Swimming Count	Long Integer		484	Low Tolerance	Character
239	Normal Swimming	Long Integer			00001=Magic
243	Backstabbing	Long Integer			00010=Frost
247	Backstabbing Count	Long Integer			00100=Fire
251	Normal Backstabbing	Long Integer			01000=Shock
255	Dodging	Long Integer			10000=Poison
259	Dodging Count	Long Integer		485	Critical Weakness	Character
263	Normal Dodging	Long Integer			00001=Magic
267	???Running	Long Integer			00010=Frost
271	???Running Count	Long Integer			00100=Fire
275	Normal ???Running	Long Integer			01000=Shock
279	Destruction	Long Integer			10000=Poison
283	Destruction Count	Long Integer		486	Regenerate Spell Points	Character
287	Normal Destruction	Long Integer			00=Yes
291	Restoration	Long Integer			01=No
295	Restoration Count	Long Integer		487	Forbidden Weapon	Character
299	Normal Restoration	Long Integer			00001=Short
303	Illusion	Long Integer			00010=Long
307	Illusion Count	Long Integer			00100=Blunt
311	Normal Illusion	Long Integer			01000=Axe
315	Alteration	Long Integer			10000=Missile
319	Alteration Count	Long Integer		488	Forbidden Armor	Character
323	Normal Alteration	Long Integer			03=Heavy
327	Thaumaturgy	Long Integer			02=Medium
331	Thaumaturgy Count	Long Integer			01=Light
335	Normal Thaumaturgy	Long Integer		490	Forbidden Material	Character
339	Mysticism	Long Integer			09=Daedric
343	Mysticism Count	Long Integer			08=Orcish
347	Normal Mysticism	Long Integer			etc....
351	Short Blade	Long Integer		503	Class Name (again)?	22 Characters
355	Short Blade Count	Long Integer		536	Spell Point Mult	Character
359	Normal Short Blade	Long Integer		544	Forbidden Armor	Character
363	Long Blade	Long Integer		546	Forbidden Material	Character
367	Long Blade Count	Long Integer		619	Gender	Character
371	Normal Long Blade	Long Integer			00=Male
375	Hand-to-Hand	Long Integer			08=Female
379	Hand-to-Hand Count	Long Integer		643	Hair Picture #	Character
383	Normal Hand-to-Hand	Long Integer		644	Mouth Picture #	Character
387	Axe	Long Integer		645	Eye Picture #	Character
391	Axe Count	Long Integer		674	Race (0-5)	Character
395	Normal Axe	Long Integer
399	Blunt Weapon	Long Integer
403	Blunt Weapon Count	Long Integer
407	Normal Blunt Weapon	Long Integer
411	Missile	Long Integer
415	Missile Count	Long Integer
419	Normal Missile	Long Integer
423	Critical Strike	Long Integer
427	Critical Strike Count	Long Integer

There are currently three unknown entries in the skill list. Their estimated values are given although this is not yet confirmed. They are based on the skill offset list found in Daggerfall. The skill order is the same except for the skills not found in Battlespire (like the language skills etc...). The running skill is quite certain, based on the position in the list and the fact that running potions exist in the game. The merchant skill is a best guess but other possibilities for this offset are either streetwise or etiquette. Similarly lock-picking may be replaced by pick-pocketing or mercantile. There is a possibility that a new skill exists at these locations, one not found in Daggerfall. Verification of these skills are still required (e-mail me!).

Item Data Offsets

The following is the list of known and some unknown variables found in the item block. Thanks to Cory Orndorff (orn9124@kutztown.edu) for sending me some offsets to get me started. Again, the 'Offset' is the distance from the beginning of the block, including the 4 byte block type.

Offset	Description	Size
69	Name	32 Characters?
103	Item ID	8
	MCAPE501=cape of type 501
	MSHRT214=shirt of type 214
112	Current Usage	4
116	Max Usage	4
120	Material / Damage modifier	???
	00=Iron
	01=Steel
	02=Silver
	03=Elven
	04=Dwarven
	05=Mithril
	06=Adamantium
	07=Ebony
	08=Orcish
	09=Daedric
122	Weight (1 bit=0.5 lbs)	2
131	Number of Items	???
248	Name continuation	???