Terrarum Game Map Format

* Endianness: LITTLE

Ord  Hex  Description
00   54   T
01   45   E
02   4D   M
03   44   D

04   01   Number of bytes per tile; only 1 is supported

05        Number of layers

06   00   Reserved
07   00   Reserved

08        World width
09        World width
0A        World width
0B        World width

0C        World height
0D        World height
0E        World height
0F        World height

10        Default spawn coord X
11        Default spawn coord X
12        Default spawn coord X
13        Default spawn coord X

14        Default spawn coord Y
15        Default spawn coord Y
16        Default spawn coord Y
17        Default spawn coord Y

# Layer count 1
18        Terrain tiles data MSB

# Layer count 2
...       Wall tiles data MSB

# Layer count 3
...       Terrain tiles data LSB (half size of MSB byte array)
...       Wall tiles data LSB (half size of MSB byte array)

# Layer count 4
...       Wire tiles data (0-255)

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