@tweet2doom demo converter

convert.py

import struct
import sys
buffer = open(sys.argv[1], "rb")
header = buffer.read(13)

header_fmt_string = "ccccccccccccc"

header = struct.unpack(header_fmt_string, header)

def read_header(pos):
	return int.from_bytes(header[pos], "big")

print("Doom version:", read_header(0))
print("Difficulty:", read_header(1))
print("Episode:", read_header(2))
print("Map:",read_header(3))
print("MpMode:", read_header(4))
print("-respawn", read_header(5))
print("-fast", read_header(6))
print("-nomonsters", read_header(7))
print("Player:", read_header(8))
print("P1 Present", read_header(9))
print("P2 Present", read_header(10))
print("P3 Present", read_header(11))
print("P4 Present", read_header(12))

data = buffer.read()
data = data[:len(data)-1] # Remove last 0x80 byte, assuming that's what it is 
tic_count = int(len(data)/4)
print("Tic count:", tic_count)

tics = struct.iter_unpack("bbbc", data)

tas_string = ""

a=open("log.txt", "w")
b=open("keys.txt", "w")
for tic in tics:
	ymov = tic[0]
	xmov = tic[1]
	rmov = tic[2]
	special = tic[3]

	a.write(str(tic))

	if special[0] & 0b00000001:
		a.write(" # Fired")
	if special[0] & 0b00000010:
		a.write(" # Door")
	if special[0] & 0b00000100:
		slot = (special[0] & 0b00111000) >> 3
		a.write(" # Switch slot " + str(slot))

	a.write("\n")

	framekeys = ""

	if ymov > 0 and ymov < 50:
		framekeys += "r"
	if ymov < 0 and ymov > -50:
		framekeys += "l"
	if xmov > 0 and xmov < 50:
		framekeys += "u"
	if xmov < 0 and xmov > -50:
		framekeys += "d"

	if ymov == 50: 
		framekeys += "R"
	if ymov == -50:
		framekeys += "L"
	if xmov == 50:
		framekeys += "U"
	if xmov == -50:
		framekeys += "D"

	
	
	if special[0] & 0b00000001: # Fired
		framekeys += "f"
	if special[0] & 0b00000010: # Opened Door
		framekeys += "p"
	if special[0] & 0b00000100: # Switch slot
		slot = (special[0] & 0b00111000) >> 3
		framekeys += str(slot)
	
	b.write(framekeys)
	b.write(",")

b.close()
b = open("keys.txt", "r")
# Optimization pass. If there are any issues, it's probably an off by one error here
keys = b.readline().split(",")
newkeys = ""
last_value = keys[0]
last_count = 1
for key in keys[1:]:
	if last_value != key or last_count == 99:
		if last_count == 1:
			newkeys += last_value
			newkeys += ","
		else: 
			newkeys += str(last_count) # You may need to subtract one from last_count here
			newkeys += "-"
			newkeys += last_value
			newkeys += ","
		last_count = 0
	
	last_value = key
	last_count += 1

open("keys-optimized.txt", "w").write(newkeys)