#!/usr/bin/env ruby
USAGE = "usage: #{$PROGRAM_NAME} <in.bin>"
TILE_MAPPING_ARRAY = [
['Q', '?', '0', '\\', 'H', '$', 'Y', ','],
['R', nil, 'L', '^', 'K', 'J', nil, 'k'],
['s', '#', '_', '/', 'm', '=', 'f', '9'],
['7', 'd', '-', 'N', 'E', '4', 'q', 'r'],
['P', 'i', nil, 'V', '`', '&', 'X', 'A'],
['n', '3', 'I', nil, 'O', '*', ';', 'Z'],
['w', 'G', 'p', 'B', '8', 'c', 'S', 'j'],
['F', 'g', ':', 'e', 'b', 'y', '"', 'v'],
['%', '+', nil, '1', ' ', '!', 'M', '@'],
['h', '{', '2', 'x', 'W', '.', 'D', '}'],
['t', 'U', nil, 'C', 'T', 'z', '6', 'u'],
['|', 'o', '>', 'a', '5', 'l', '<', "'"]
]
def die(msg)
puts msg
exit(1)
end
def assert(condition)
raise('assertion failed') unless condition
end
def read_str(io, n)
io.read(n)
end
def read_u8(io)
io.getbyte
end
def read_u16(io)
io.read(2).unpack('s>')[0]
end
def read_u32(io)
io.read(4).unpack('l>')[0]
end
die(USAGE) unless ARGV.length == 1
binfile = ARGV[0]
File.open(binfile, 'rb') do |bin|
assert(read_str(bin, 4) == 'TiNy')
assert(read_str(bin, 4) == 'MeTa')
assert(read_u32(bin) == 16)
read_str(bin, 12)
lines = read_u16(bin)
read_u16(bin)
assert(read_str(bin, 4) == 'TxTr')
texture_length = read_u32(bin)
read_str(bin, texture_length)
lines.times do
assert(read_str(bin, 4) == 'LiNe')
line_length = read_u32(bin) / 2
line_length.times do
x = read_u8(bin)
y = read_u8(bin)
char = TILE_MAPPING_ARRAY[y][x]
die("unknown char #{char.inspect}") unless char
STDOUT.write(char)
end
puts
end
end
