Improved Pillars of Eternity MobileObjects.save cleaner, use at own risk

savefile_cleaner.rb

#!/usr/bin/env ruby

file = File.open(ARGV.last, 'rb')
chunks = Array.new

# We will read until we encounter the Root string in the next chunk. Then we will roll back that root and 4 bytes
# before it.
chunk_limiter = "Root"

read = String.new

$stdout.sync = true

chunks_read = 0
trap_chunks = 0
summon_chunks = 0

puts "Reading the savefile:"
file.each_char do |b|
	read << b
	if (b == "t") && (read.length > 20) && (read[-4..-1] == chunk_limiter) 
		chunks_read += 1
		next_chunk = read[-(chunk_limiter.size + 4)..-1]
		chunk = read[0...-(chunk_limiter.size + 4)]
		read = next_chunk
		if chunk.include? "Rime_and_Frost_Trap.prefab"
			trap_chunks += 1
			print "T"
		elsif chunk.include? "_Summon.prefab"
			summon_chunks += 1
			print "S"
		else
			print "."
			chunks << chunk
		end
	end
end

puts "\nRead #{chunks_read} objects, found #{trap_chunks} traps, #{summon_chunks} summoned creatures."

new_file = "#{ARGV.last}.cleaned"
puts "Now writing remaining #{chunks.size} objects to #{new_file}:"

File.open(new_file, 'wb') do |f|
	chunks.each do |chunk|
		f.write chunk
		print "."
	end
end

puts "\n All done, good luck!"