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LOC.DAT has a row width of 20 bytes. There are a total of 50 records (not all of them necessarily used) for a fixed file size of 1,000 bytes. Most of this info is from [[User:NKF|NKF]] (thanks a lot) and some was ripped from [http://www.stonepool.com/xcom/hacking/index.html Hatfarm / Chris Voss's great pages]
LOC.DAT has a row width of 20 bytes. There are a total of 50 records (not all of them necessarily used) for a fixed file size of 1,000 bytes. Most of this info is from [[User:NKF|NKF]] (thanks a lot) and some was ripped from [http://www.stonepool.com/xcom/hacking/index.html Hatfarm / Chris Voss's great pages].
 
 
==Structure==
==Structure==
'''00:''' Object type:
{| class="wikitable"
     00 - Unused entry
|-
     01 - Alien Ship
!Offset<br>(Decimal)
     02 - X-Com Ship
!Offset<br>(Hex)
     03 - X-Com Base
!Usage
|- valign="top"
!<span id="0"></span>0
!<span id="0x00"></span>0x00
|Object type:
     00 - Unused Entry
     01 - Alien Ship (moving or crashed) ''[CE: moving or landed]''
     02 - X-COM Ship
     03 - X-COM Base
     04 - Alien Base
     04 - Alien Base
     05 - Crash Site
     05 - Crash Site
     06 - Landed UFO
     06 - Landed UFO   ''unused''
     07 - Waypoint
     07 - Waypoint
     08 - Terror Site
     08 - Terror Site ''unused in TFTD, see below:''
 
   
'''01:''' Object table reference - Possible values - 00 to FF - Just a reference. This just shows how many there are of this type on the geoscape.  If the object is either a UFO (Alien Ship for TFTD) or X-COM craft, then this is the index into [[CRAFT.DAT]]. If the object is an X-Com base, then this is the index into [[BASE.DAT]] and if it is an [[Alien Base]] this byte contains the race:
    ''Extras for TFTD only:''
 
    0x51 - Port Attack
0 = Sectoid
    0x52 - Island Attack
1 = Snakeman
    0x53 - Passenger/Cargo Ship
2 = Ethereal
    0x54 - Artefact Site
3 = Muton
|- valign="top"
4 = Floater
!<span id="1"></span>1
!<span id="0x01"></span>0x01
|Object table reference - Possible values - 00 to FF - Just a reference. This just shows how many there are of this type on the geoscape.  If the object is either a UFO (Alien Ship for TFTD) or X-COM craft, then this is the index into [[CRAFT.DAT]]. If the object is an X-Com base, then this is the index into [[BASE.DAT]] and if it is an [[Alien Base]] this byte contains the race:


'''02-03:''' Horizontal coordinates or longitude (low bit then high bit respectively). 0 - 2880
    '''UFO'''          '''TFTD'''
 
0 = [[Sectoid]]            [[Aquatoid]]
'''04-05:''' Vertical coordinates or latitude (low bit then high bit respectively). -720 - 720
1 = [[Snakeman]]          [[Gillman]]
 
2 = [[Ethereal]]          [[Lobsterman]]
'''06-07:''' For crash site or terror site - countdown timer (in hours). For moving objects - how many game ticks (5s) have to pass until craft moved to next globe coordinate (''cell_size div speed'').
3 = [[Muton]]              [[Tasoth]]
4 = [[Floater]]            [[Mixed Crew]] (Type I)
5 = Final mission mix  [[Mixed Crew]] (Type II)
|- valign="top"
!<span id="2-3"></span>2-3
!<span id="0x02-0x03"></span>0x02-0x03
|Horizontal coordinates or longitude (low bit then high bit respectively). 0 - 2880
|- valign="top"
!<span id="4-5"></span>4-5
!<span id="0x04-0x05"></span>0x04-0x05
|Vertical coordinates or latitude (low bit then high bit respectively). -720 - 720
|- valign="top"
!<span id="6-7"></span>6-7
!<span id="0x06-0x07"></span>0x06-0x07
|For crash site or terror site - countdown timer (in hours). For moving objects - how many game ticks (5s) have to pass until craft moved to next globe coordinate (''cell_size div speed'').
:'''NOTE''': Ground UFOs are treated as ''moving'' objects, except for speed = 0.
:'''NOTE''': Ground UFOs are treated as ''moving'' objects, except for speed = 0.
 
|- valign="top"
'''08-09:''' Fractional part of how much is left to the next globe coordinate (''cell_size mod speed''), used only for moving objects.
!<span id="8-9"></span>8-9
 
!<span id="0x08-0x09"></span>0x08-0x09
'''0A-0B:''' Count suffix of the item, eg: Skyranger-'''1''' or Crash Site-'''47'''. It appears to have no meaning for XCOM Bases, but for other types where it is set, 0B is the high byte for when you go over 255 UFO's or crafts, etc.  
|Fractional part of how much is left to the next globe coordinate (''cell_size mod speed''), used only for moving objects.
 
|- valign="top"
'''0C-0D:''' [UNUSED]
!<span id="10-11"></span>10-11
 
!<span id="0x0A-0x0B"></span>0x0A-0x0B
'''0E-0F:''' Craft transfer mode:
|Count suffix of the item, eg: Skyranger-'''1''' or Crash Site-'''47'''. It appears to have no meaning for XCOM Bases, but for other types where it is set, 0B is the high byte for when you go over 255 UFO's or crafts, etc.
|- valign="top"
!<span id="12-13"></span>12-13
!<span id="0x0C-0x0D"></span>0x0C-0x0D
|[UNUSED]
|- valign="top"
!<span id="14"></span>14
!<span id="0x0E"></span>0x0E
|Craft transfer mode:
  0 = Not transferred
  0 = Not transferred
  1 = In transfer
  1 = In transfer
  2 = Selected to transfer (temporary value)
  2 = Selected to transfer (temporary value)
 
|- valign="top"
'''10-13:''' Globe object visiblity/mobility bitfield:
!<span id="15"></span>15
  0 (value 1) Hidden object flag (unrevealed alien bases, xcom crafts at base, undetected UFOs)
!<span id="0x0F"></span>0x0F
  1 (value 2) Moving object flag (UFOs, flying XCOM crafts except for when patrolling).
|[UNUSED]
|- valign="top"
!<span id="16-19"></span>16-19
!<span id="0x10-0x13"></span>0x10-0x13
|Globe object visiblity/mobility bitfield:
  0 (value 1) Hidden object flag (unrevealed alien bases, xcom crafts at base,  
            undetected UFOs)
  1 (value 2) Moving object flag (UFOs, flying XCOM crafts except for when  
            patrolling).
  2 (value 4) Targeted UFO flag (set to 1 when alien craft targeted).
  2 (value 4) Targeted UFO flag (set to 1 when alien craft targeted).
             Used for UFO decode menu popup when UFO craft reappears.
             Used for UFO decode menu popup when UFO craft reappears.
|-
|}


==See Also==
==See Also==
Line 51: Line 95:
* [[Saved Game Files]]
* [[Saved Game Files]]
[[Category:Game Files]]
[[Category:Game Files]]
[[Category:Enemy Unknown/UFO Defense]]

Latest revision as of 11:52, 21 March 2015

LOC.DAT has a row width of 20 bytes. There are a total of 50 records (not all of them necessarily used) for a fixed file size of 1,000 bytes. Most of this info is from NKF (thanks a lot) and some was ripped from Hatfarm / Chris Voss's great pages.


Structure

Offset
(Decimal) 		Offset
(Hex) 		Usage
0 0x00 Object type: 
   00 - Unused Entry
   01 - Alien Ship (moving or crashed) [CE: moving or landed]
   02 - X-COM Ship
   03 - X-COM Base
   04 - Alien Base
   05 - Crash Site
   06 - Landed UFO   unused
   07 - Waypoint
   08 - Terror Site  unused in TFTD, see below:
   
   Extras for TFTD only:
   0x51 - Port Attack
   0x52 - Island Attack
   0x53 - Passenger/Cargo Ship
   0x54 - Artefact Site
1 0x01 Object table reference - Possible values - 00 to FF - Just a reference. This just shows how many there are of this type on the geoscape. If the object is either a UFO (Alien Ship for TFTD) or X-COM craft, then this is the index into CRAFT.DAT. If the object is an X-Com base, then this is the index into BASE.DAT and if it is an Alien Base this byte contains the race: 
    UFO           TFTD
0 = Sectoid            Aquatoid
1 = Snakeman           Gillman
2 = Ethereal           Lobsterman
3 = Muton              Tasoth
4 = Floater            Mixed Crew (Type I)
5 = Final mission mix  Mixed Crew (Type II)
2-3 0x02-0x03 Horizontal coordinates or longitude (low bit then high bit respectively). 0 - 2880
4-5 0x04-0x05 Vertical coordinates or latitude (low bit then high bit respectively). -720 - 720
6-7 0x06-0x07 For crash site or terror site - countdown timer (in hours). For moving objects - how many game ticks (5s) have to pass until craft moved to next globe coordinate (cell_size div speed).
NOTE: Ground UFOs are treated as moving objects, except for speed = 0.
8-9 0x08-0x09 Fractional part of how much is left to the next globe coordinate (cell_size mod speed), used only for moving objects.
10-11 0x0A-0x0B Count suffix of the item, eg: Skyranger-1 or Crash Site-47. It appears to have no meaning for XCOM Bases, but for other types where it is set, 0B is the high byte for when you go over 255 UFO's or crafts, etc.
12-13 0x0C-0x0D [UNUSED]
14 0x0E Craft transfer mode: 
0 = Not transferred
1 = In transfer
2 = Selected to transfer (temporary value)
15 0x0F [UNUSED]
16-19 0x10-0x13 Globe object visiblity/mobility bitfield: 
0 (value 1) Hidden object flag (unrevealed alien bases, xcom crafts at base, 
            undetected UFOs)
1 (value 2) Moving object flag (UFOs, flying XCOM crafts except for when 
            patrolling).
2 (value 4) Targeted UFO flag (set to 1 when alien craft targeted).
            Used for UFO decode menu popup when UFO craft reappears.

See Also

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