SMAC MP Format
==============
Research Notes
(2005-04-19)


Overall Structure
-----------------
Bytes    1 -   10	ASCIIZ	"TERRANMAP"
Bytes   11 -   15	???	1A 05 00 00 00
Bytes   16 -   19	INT32	Width
Bytes   20 -   23	INT32	Height
Bytes   24 -   43	???	???
Byte    44       	???	01 = flat map
Bytes   45 -   47	???	???
Bytes   48 -   51	INT32	LabelCount
Bytes   52 - 2611	STRUCT	array(1..64) of Label
Bytes 2612 - 2651	???	???
Bytes 2652 - 2731	ASCIIZ	Filename
Bytes 2732 - 2739	???	???
Bytes 2740 - ????	STRUCT	array(1..(Height), 1..(Width / 2))* of MapData
Bytes ???? - EOF	???	Landmass ID map?

*i.e., MapData(Y, X); X and Y translate into game coordinates as follows:

 /\  /\  /.  		X=1	X=2	X=3	...	X=63	X=64
/0,\/2,\/...	     +	----	----	----	----	----	----
\ 0/\ 0/\...	Y=1  |	0,0	2,0	4,0	...	124,0	126,0
 \/1,\/3,\.	Y=2  |	1,1	3,1	5,1	...	125,1	127,1
 /\ 1/\ 1/.	Y=3  |	0,2	2,2	4,2	...	124,2	126,2
/0,\/2,\/...	Y=4  |	1,3	3,3	5,3	...	125,3	127,3
\ 2/\ 2/\...	...  |	...	...	...	...	...	...
 \/1,\/3,\.	Y=127|	0,126	2,126	4,126	...	124,126	126,126
 /\ 3/\ 3/.	Y=128|	1,127	3,127	5,127	...	125,127	127,127
/..\/..\/...	


Label Struct
------------
Bytes 1 -  4	INT32	X
Bytes 5 -  8	INT32	Y
Bytes 9 - 40	ASCIIZ	Label text


MapData Struct
--------------
Byte   1	BITS	Flags:
	00001000	Moist
	00010000	Rainy

	00100000	Ocean
	01000000	Ocean Shelf
	01100000	Just above sea level
	10000000	One level above sea level
	10100000	Two levels above sea level
	11000000	Three levels above sea level
	11100000	Four levels above sea level

Byte   2     	BYTE	Altitude (0x3C = 10m; lower values are depth)
Bytes  3 -  4	???	???
Byte   5     	BYTE	0x00
Byte   6     	BITS	Flags:
	01000000	Rolling
	10000000	Rocky

Byte   7     	???	???
Byte   8     	BYTE	Tile owner (should be 0xFF)
Bytes  9 - 12	BITS	Flags:
	00 00 00 01	Borehole
	00 00 00 10	Pod?
	00 00 00 80	Sensor

	00 00 04 00	Airbase
	00 00 10 00	Landmark?
	00 00 20 00	Forest
	00 00 40 00	Condenser
	00 00 80 00	Mirror

	00 01 00 00	River source/Aquifer
	00 04 00 20	Nutrients
	00 04 01 20	Energy
	00 04 02 20	Minerals
	00 08 00 00	Bunker
	00 20 00 00	Monolith
	00 80 00 00	Farm/Kelp
	00 80 08 00	Farm, Enricher

	04 00 00 00	Road
	0C 00 00 00	Tube
	10 00 00 00	Mine
	20 00 00 00	Fungus
	40 00 00 00	Solar/Tidal
	80 00 00 00	River?

Bytes 13 - 14	BITS	Flags:
	   00 01	Mesa
	   00 04	Geothermal Shallows
	   00 10	Cluster Borehole
	   00 20	Nexus
	   01 00	Crater
	   04 00	Jungle
	   08 00	Uranium
	   40 00	Desert
	   80 00	Fresh water (sea); ??? (land)

Byte  15     	BYTE	0x40
Byte  16     	BYTE	Art ref?
Bytes 17 - 44	BITS	array(1..7) of INT32 = (Flags2 AND 7F FF FF FF)