OBDATA.DAT

General Notes

OBDATA.DAT is found in GEODATA and contains general information on objects found in the game.

There are 80 entries, each of which are 54 bytes long. It is 4,320 bytes long.

33 entries are for corpses, which includes 4 entries (quarters) for large corpses, including tanks. Otherwise there are 41 "object" entries, and 6 obsolete/unused entries.

Values are presented according to offset (0 to 53) in bold.

Structure

0-19: Name of object. Delimited by a null character. Note: These are internal "working" names. They all make sense, but are not the standardized names displayed in the game.

20: BIGOBS.PCK reference

21: FLOOROB.PCK reference

22: Average Weapon Strength (Same as seen in UFOpaedia)

23: Item Weight? See [43] - could one be thrown weight, and the other inventory weight?

24: Inventory X Size (width)

25: Inventory Y Size (height)

26-28: Look-up within OBDATA for ammo this weapon uses. Up to three types possible; 255 for no (more) ammo. Note that ammo always directly follows its weapon in this file.

29: HANDOB.PCK reference

30: Same as 29

31: Ammo Damage Type

  0 AP
  1 IN
  2 HE
  3 Laser
  4 Plasma
  5 Stun
255 Not Ammo

32: Accuracy, Auto

33: Accuracy, Snap

34: Accuracy, Aimed

35: TUs Used, Auto

36: TUs Used, Snap

37: TUs Used, Aimed

38: Clip Size. Except in the following:

  0 All Corpses/Electroflare/Mind probe
  8 Pistol
 65 Stun Rod
 10 Everything else...

39: Possibly Melee-related Stat??

  0 All Corpses
  0 Plasma Pistol Clip
  5 Stun Rod
  9 Pistol and Pistol Clip
  8 Everything else...

40: Possibly Melee Accuracy??

  0 All Corpses
  0 Electroflare
  0 Plasma Weapon Clips
100 Everything else...

41: Possibly Melee Strength??

  0 All Corpses
  0 Electroflare
  0 Plasma Weapon Clips
 30 Stun Rod
 50 Everything else...

So a summary of 39 to 41 looks like this:

  39   40   41   Objects
   0    0    0   All Corpses/Plasma Pistol Clip
   5  100   30   Stun Rod
   8    0    0   Plasma Rifle Clip/Heavy Plasma Clip/Electroflare
   9  100   50   Pistol/Pistol Clip

   8  100   50   Everything else... (34 objects)

42: Explosive strength needed to destroy object

43: Item Weight

44: Grenade Type

1  Grenade, Alien Grenade, High Explosive
2  Proximity Grenade
3  Smoke Grenade

45: Maybe an abandoned bit field, all except the Elerium tick?:

0 All corpses and many human objects, including weapons and ammo
1 All alien weapons and ammo but also several common human ammos and the pistol
4 Elerium

46: Boolean: Is Weapon That Shoots?

47: Boolean: Is Weapon?

48: Boolean: Is Non-Waypoint Weapon?

49: Boolean: Is Ammo?

50: Boolean: Is Two-Handed Weapon?

51: Boolean: Is Blaster Launcher?

52: Boolean: Is Alien?

53: Scoring points (except for Elerium which works per 50 units)