research/chex/dump-mobjinfo

#!/usr/bin/env ruby

require "scanf"
require "json"

filename = ARGV[0]
offset = ARGV[1].scanf("%x")[0]

NUM_MOBJS=137

def read_int(file)
        c1 = file.getbyte
        c2 = file.getbyte
        c3 = file.getbyte
        c4 = file.getbyte

        c1 | (c2 << 8) | (c3 << 16) | (c4 << 24)
end

def read_mobj(file)
        result = []

        23.times do 
                i = read_int(file)
                result.push(i)
        end

        result
end

states = []

File.open(filename) do |file|
        file.seek(offset)

        NUM_MOBJS.times do
                states.push(read_mobj(file))
        end
end

for state in states
        puts state.to_json
end