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6B943B43
Short name: 2ARY or 2DARY
Long name: 2D Array
6B943B43
Short name: LOTG
Long name: Lot Terrain Geometry

This format also uses the hex code 0xABCB5DA4, which contains a neighborhood's landscaping.

Format

Header

As specified in WDB.

DWORD
Block ID
DWORD
Block version
7BITSTR
Block name

Data Section

DWORD
Count X (Width)
DWORD
Count Y (Height)
Array[X,Y]
See below

Array[X,Y] is a 2-dimensional array *of Objects*, X rows by Y columnns in size. The type of Object is based on the Instance ID of the file, as follows:

Instance ID 0x3B76
DWORD
Count X (Width = 10n1 + 1)
DWORD
Count Y (Height = 10n2 +1)
Array[X,Y] (Width x Height)
FLOAT (in singles)
Elevation of terrain water (usually just below the elevation of the land)(However, some infos are necessary to be input or altered before the terrain water to show up.)


The instance series of 0x00005CC(0-?)
it seems to be related to terrain paint/covering ("terp"), and it may be the alpha strength for a particular terrain paint ("terp"), but whether it's an inversion or not is not sorted out? or is that dependent on the terrain_txtr file?
N???_Lot???!terrain_txtr has the terrain paint graphic info updated when a terrain paint is added or removed.


The instance 0x00005CEE appears related to terrain paint/covering ("terp"), and it may be the referenced numeric value for a particular terrain paint ("terp").
The "Lot Texture" 0x4B58975B had the terrain paint names added following the default ones.
Unknown EC44BDDC's 00006C7A and 0000C284 had some changes.
Although unknown 0x6C589723 has a string called "terp", no obvious change is observed in a testing.
N???_Lot???!terrainmaterial_txmt remained.


All other Instance IDs
Byte
Item count
for each item
Byte
unknown



This article is imported from the old MTS2 wiki. It's original page, with comments, can be found at http://old_wiki.modthesims2.com/6B943B43

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